websch/editor/svg-editor.js

/*
 * svg-editor.js
 *
 * Licensed under the MIT License
 *
 * Copyright(c) 2010 Alexis Deveria
 * Copyright(c) 2010 Pavol Rusnak
 * Copyright(c) 2010 Jeff Schiller
 * Copyright(c) 2010 Narendra Sisodiya
* Copyright(c)  2012 Mark MacKay
 *
 */

// Dependencies:
// 1) units.js
// 2) browser.js
// 3) svgcanvas.js

(function() { 
  
  document.addEventListener("touchstart", touchHandler, true);
  document.addEventListener("touchmove", touchHandler, true);
  document.addEventListener("touchend", touchHandler, true);
  document.addEventListener("touchcancel", touchHandler, true);
  
	if(!window.svgEditor) window.svgEditor = function($) {
		var svgCanvas;
		var Editor = {};
		var is_ready = false;
		curConfig = {
		  canvas_expansion: 1, 
		  dimensions: [580,400], 
		  initFill: {color: 'fff', opacity: 1},
		  initStroke: {width: 1.5, color: '000', opacity: 1},
			initOpacity: 1,
			imgPath: 'images/',
			extPath: 'extensions/',
			jGraduatePath: 'jgraduate/images/',
			extensions: [],
			initTool: 'select',
			wireframe: false,
			colorPickerCSS: false,
			gridSnapping: false,
			gridColor: "#000",
			baseUnit: 'px',
			snappingStep: 10,
			showRulers: (svgedit.browser.isTouch()) ? false : true,
			show_outside_canvas: false,
			no_save_warning: true,
			initFont: 'Helvetica, Arial, sans-serif'
		},
			uiStrings = Editor.uiStrings = {
				common: {
					"ok":"OK",
					"cancel":"Cancel",
					"key_up":"Up",
					"key_down":"Down",
					"key_backspace":"Backspace",
					"key_del":"Del"
	
				},
				// This is needed if the locale is English, since the locale strings are not read in that instance.
				layers: {
					"layer":"Layer"
				},
				notification: {
					"invalidAttrValGiven":"Invalid value given",
					"noContentToFitTo":"No content to fit to",
					"dupeLayerName":"There is already a layer named that!",
					"enterUniqueLayerName":"Please enter a unique layer name",
					"enterNewLayerName":"Please enter the new layer name",
					"layerHasThatName":"Layer already has that name",
					"QmoveElemsToLayer":"Move selected elements to layer \"%s\"?",
					"QwantToClear":"Do you want to clear the drawing?\nThis will also erase your undo history!",
					"QwantToOpen":"Do you want to open a new file?\nThis will also erase your undo history!",
					"QerrorsRevertToSource":"There were parsing errors in your SVG source.\nRevert back to original SVG source?",
					"QignoreSourceChanges":"Ignore changes made to SVG source?",
					"featNotSupported":"Feature not supported",
					"enterNewImgURL":"Enter the new image URL",
					"defsFailOnSave": "NOTE: Due to a bug in your browser, this image may appear wrong (missing gradients or elements). It will however appear correct once actually saved.",
					"loadingImage":"Loading image, please wait...",
					"saveFromBrowser": "Select \"Save As...\" in your browser to save this image as a %s file.",
					"noteTheseIssues": "Also note the following issues: ",
					"unsavedChanges": "There are unsaved changes.",
					"enterNewLinkURL": "Enter the new hyperlink URL",
					"errorLoadingSVG": "Error: Unable to load SVG data",
					"URLloadFail": "Unable to load from URL",
					"retrieving": 'Retrieving "%s" ...'
				}
			};
		
		var curPrefs = {}; //$.extend({}, defaultPrefs);
		var customHandlers = {};
		Editor.curConfig = curConfig;
		Editor.tool_scale = 1;
		
		Editor.setConfig = function(opts) {
			$.extend(true, curConfig, opts);
			if(opts.extensions) {
				curConfig.extensions = opts.extensions;
			}
		}
		
		// Extension mechanisms must call setCustomHandlers with two functions: opts.open and opts.save
		// opts.open's responsibilities are:
		// 	- invoke a file chooser dialog in 'open' mode
		//	- let user pick a SVG file
		//	- calls setCanvas.setSvgString() with the string contents of that file
		// opts.save's responsibilities are:
		//	- accept the string contents of the current document 
		//	- invoke a file chooser dialog in 'save' mode
		// 	- save the file to location chosen by the user
		Editor.setCustomHandlers = function(opts) {
			Editor.ready(function() {
				if(opts.open) {
					$('#tool_open > input[type="file"]').remove();
					$('#tool_open').show();
					svgCanvas.open = opts.open;
				}
				if(opts.save) {
					Editor.show_save_warning = false;
					svgCanvas.bind("saved", opts.save);
				}
				if(opts.pngsave) {
					svgCanvas.bind("exported", opts.pngsave);
				}
				customHandlers = opts;
			});
		}
		
		Editor.randomizeIds = function() {
			svgCanvas.randomizeIds(arguments)
		}

		Editor.init = function() {
			// For external openers
			(function() {
				// let the opener know SVG Edit is ready
				var w = window.opener;
				if (w) {
			    		try {
						var svgEditorReadyEvent = w.document.createEvent("Event");
						svgEditorReadyEvent.initEvent("svgEditorReady", true, true);
						w.document.documentElement.dispatchEvent(svgEditorReadyEvent);
			    		}
					catch(e) {}
				}
			})();

			(function() {
			  $("#canvas_width").val(curConfig.dimensions[0]);
  			$("#canvas_height").val(curConfig.dimensions[1]);
  			$("body").toggleClass("touch", svgedit.browser.isTouch());
				// Load config/data from URL if given
				var urldata = $.deparam.querystring(true);
				if(!$.isEmptyObject(urldata)) {
					if(urldata.dimensions) {
						urldata.dimensions = urldata.dimensions.split(',');
					}
					
					if(urldata.extensions) {
						urldata.extensions = urldata.extensions.split(',');
					}
					
					if(urldata.bkgd_color) {
						urldata.bkgd_color = '#' + urldata.bkgd_color;
					}

					svgEditor.setConfig(urldata);
					
					var src = urldata.source;
					var qstr = $.param.querystring();
					
					if(!src) { // urldata.source may have been null if it ended with '='
						if(qstr.indexOf('source=data:') >= 0) {
							src = qstr.match(/source=(data:[^&]*)/)[1];
						}
					}
					
					if(src) {
						if(src.indexOf("data:") === 0) {
							// plusses get replaced by spaces, so re-insert
							src = src.replace(/ /g, "+");
							Editor.loadFromDataURI(src);
						} else {
							Editor.loadFromString(src);
						}
					} else if(qstr.indexOf('paramurl=') !== -1) {
						// Get paramater URL (use full length of remaining location.href)
						svgEditor.loadFromURL(qstr.substr(9));
					} else if(urldata.url) {
						svgEditor.loadFromURL(urldata.url);
					}
				}
			})();
			
			var extFunc = function() {
				$.each(curConfig.extensions, function() {
					var extname = this;
					$.getScript(curConfig.extPath + extname, function(d) {
						// Fails locally in Chrome 5
						if(!d) {
							var s = document.createElement('script');
							s.src = curConfig.extPath + extname;
							document.querySelector('head').appendChild(s);
						}
					});
				});
			}
			
			// Load extensions
			// Bit of a hack to run extensions in local Opera/IE9
			if(document.location.protocol === 'file:') {
				setTimeout(extFunc, 100);
			} else {
				extFunc();
			}
			$.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {
				w:27, h:27,
				id_match: false,
 				no_img: !svgedit.browser.isWebkit(), // Opera & Firefox 4 gives odd behavior w/images
				fallback_path: curConfig.imgPath,
				fallback:{
				  'logo':'logo.png',
					'select':'select.png',
					'select_node':'select_node.png',
					'pencil':'pencil.png',
					'pen':'line.png',
					'square':'square.png',
					'rect':'square.png',
					'fh_rect':'freehand-square.png',
					'circle':'circle.png',
					'ellipse':'ellipse.png',
					'fh_ellipse':'freehand-circle.png',
					'path':'path.png',
					'text':'text.png',
					'image':'image.png',
					'zoom':'zoom.png',
					'delete':'delete.png',
					'spapelib':'shapelib.png',
					'node_delete':'node_delete.png',				
					'align_left':'align-left.png',
					'align_center':'align-center.png',
					'align_right':'align-right.png',
					'align_top':'align-top.png',
					'align_middle':'align-middle.png',
					'align_bottom':'align-bottom.png',
					'arrow_right':'flyouth.png',
					'arrow_down':'dropdown.gif'
				},
				placement: {
				  '#logo':'logo',
					'#tool_select':'select',
					'#tool_fhpath':'pencil',
					'#tool_line':'pen',
					'#tool_rect,#tools_rect_show':'rect',
					'#tool_square':'square',
					'#tool_fhrect':'fh_rect',
					'#tool_ellipse,#tools_ellipse_show':'ellipse',
					'#tool_circle':'circle',
					'#tool_fhellipse':'fh_ellipse',
					'#tool_path':'path',
					'#tool_text,#layer_rename':'text',
					'#tool_image':'image',
					'#tool_zoom':'zoom',
					'#tool_node_clone':'node_clone',
					'#tool_node_delete':'node_delete',
					'#tool_add_subpath':'add_subpath',
					'#tool_openclose_path':'open_path',
					'#tool_alignleft, #tool_posleft':'align_left',
					'#tool_aligncenter, #tool_poscenter':'align_center',
					'#tool_alignright, #tool_posright':'align_right',
					'#tool_aligntop, #tool_postop':'align_top',
					'#tool_alignmiddle, #tool_posmiddle':'align_middle',
					'#tool_alignbottom, #tool_posbottom':'align_bottom',
					'#cur_position':'align',
					'#zoomLabel':'zoom',
					'#palette .palette_item:first, #fill_bg, #stroke_bg':'no_color'
				},
				resize: {
					'#logo .svg_icon': 15,
					'.flyout_arrow_horiz .svg_icon': 5,
					'#fill_bg .svg_icon, #stroke_bg .svg_icon': svgedit.browser.isTouch() ? 24 : 24,
					'.palette_item:first .svg_icon': svgedit.browser.isTouch() ? 30 : 16,
					'#zoomLabel .svg_icon': 16,
					'#zoom_dropdown .svg_icon': 7
				},
				callback: function(icons) {
					$('.toolbar_button button > svg, .toolbar_button button > img').each(function() {
						$(this).parent().prepend(this);
					});
					$('.tool_button, .tool_button_current').addClass("loaded")
					var tleft = $('#tools_left');
					if (tleft.length != 0) {
						var min_height = tleft.offset().top + tleft.outerHeight();
					}
					
					// Look for any missing flyout icons from plugins
					$('.tools_flyout').each(function() {
						var shower = $('#' + this.id + '_show');
						var sel = shower.attr('data-curopt');
						// Check if there's an icon here
						if(!shower.children('svg, img').length) {
							var clone = $(sel).children().clone();
							if(clone.length) {
								clone[0].removeAttribute('style'); //Needed for Opera
								shower.append(clone);
							}
						}
					});
					svgEditor.runCallbacks();
					
					setTimeout(function() {
						$('.flyout_arrow_horiz:empty').each(function() {
							$(this).append($.getSvgIcon('arrow_right').width(5).height(5));
						});
					}, 1);
				}
			});
			
			$('#rulers').on("dblclick", function(e){
			  $("#base_unit_container").css({
			    top: e.pageY-10,
			    left: e.pageX-50,
			    display: 'block'
		    })
			})
			$("#base_unit_container")
  			.on("mouseleave mouseenter", function(e){
  			  t = setTimeout(function(){$("#base_unit_container").fadeOut(500)}, 200)
  			  if(event.type == "mouseover") clearTimeout(t)  
  			})
  		$("#base_unit")
    		.on("change", function(e) {
    			savePreferences();
    		});

			Editor.canvas = svgCanvas = new $.SvgCanvas(document.getElementById("svgcanvas"), curConfig);
			Editor.show_save_warning = false;
			Editor.paintBox = {fill: null, stroke:null, canvas:null};
			var palette = ["#000000", "#3f3f3f", "#7f7f7f", "#bfbfbf", "#ffffff",
			           "#ff0000", "#ff7f00", "#ffff00", "#7fff00",
			           "#00ff00", "#00ff7f", "#00ffff", "#007fff",
			           "#0000ff", "#7f00ff", "#ff00ff", "#ff007f",
			           "#7f0000", "#7f3f00", "#7f7f00", "#3f7f00",
			           "#007f00", "#007f3f", "#007f7f", "#003f7f",
			           "#00007f", "#3f007f", "#7f007f", "#7f003f",
			           "#ffaaaa", "#ffd4aa", "#ffffaa", "#d4ffaa",
			           "#aaffaa", "#aaffd4", "#aaffff", "#aad4ff"
			           ],
				isMac = (navigator.platform.indexOf("Mac") >= 0),
				isWebkit = (navigator.userAgent.indexOf("AppleWebKit") >= 0),
				modKey = (isMac ? "meta+" : "ctrl+"), // ⌘
				path = svgCanvas.pathActions,
				undoMgr = svgCanvas.undoMgr,
				Utils = svgedit.utilities,
				default_img_url = curConfig.imgPath + "placeholder.svg",
				workarea = $("#workarea"),
				canv_menu = $("#cmenu_canvas"),
				exportWindow = null, 
				tool_scale = 1,
				ui_context = 'toolbars',
				orig_source = '';
				

			// This puts the correct shortcuts in the menus
			if (!isMac) {
			 $('.shortcut').each(function(){
			   var text = $(this).text();
			   $(this).text(text.split("⌘").join("Ctrl+"))
			 }); 
			}

			// This sets up alternative dialog boxes. They mostly work the same way as
			// their UI counterparts, expect instead of returning the result, a callback
			// needs to be included that returns the result as its first parameter.
			// In the future we may want to add additional types of dialog boxes, since 
			// they should be easy to handle this way.
			(function() {
				$('#dialog_container').draggable({cancel:'#dialog_content, #dialog_buttons *', containment: 'window'});
				var box = $('#dialog_box'), btn_holder = $('#dialog_buttons');
				
				var dbox = function(type, msg, callback, defText) {
					$('#dialog_content').html('<p>'+msg.replace(/\n/g,'</p><p>')+'</p>')
						.toggleClass('prompt',(type=='prompt'));
					btn_holder.empty();
					
					var ok = $('<input type="button" value="' + uiStrings.common.ok + '">').appendTo(btn_holder);
				
					if(type != 'alert') {
						$('<input type="button" value="' + uiStrings.common.cancel + '">')
							.appendTo(btn_holder)
							.on("click, touchstart", function() { box.hide();callback(false)});
					}
					
					if(type == 'prompt') {
						var input = $('<input type="text">').prependTo(btn_holder);
						input.val(defText || '');
						input.bind('keydown', 'return', function() {ok.trigger("click touchstart");});
					}
					
					if(type == 'process') {
						ok.hide();
					}
		
					box.show();
					
					ok.on("click touchstart", function() { 
						box.hide();
						var resp = (type == 'prompt')?input.val():true;
						if(callback) callback(resp);
					}).focus();
					
					if(type == 'prompt') input.focus();
				}
				
				$.alert = function(msg, cb) { dbox('alert', msg, cb);};
				$.confirm = function(msg, cb) {	dbox('confirm', msg, cb);};
				$.process_cancel = function(msg, cb) {	dbox('process', msg, cb);};
				$.prompt = function(msg, txt, cb) { dbox('prompt', msg, cb, txt);};
			}());
			
			var setSelectMode = function() {
				var curr = $('.tool_button_current');
				if(curr.length && curr[0].id !== 'tool_select') {
					curr.removeClass('tool_button_current').addClass('tool_button');
					$('#tool_select').addClass('tool_button_current').removeClass('tool_button');
				}
				svgCanvas.setMode('select');
			};
			
			var togglePathEditMode = function(editmode, elems) {
				$('#path_node_panel').toggle(editmode);
				$('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);
				if(editmode) {
					// Change select icon
					$('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
					$('#tool_select').addClass('tool_button_current').removeClass('tool_button');
					setIcon('#tool_select', 'select_node');
					multiselected = false;
					if(elems.length) {
						selectedElement = elems[0];
					}
				} else {
				  if (elems[0]) {
				    var selector = svgCanvas.selectorManager.requestSelector(elems[0])
				    selector.reset(elems[0]);
				    selector.selectorRect.setAttribute('display', 'inline');
				  }
				  
				  setIcon('#tool_select', 'select');
				}
			}
		
			// used to make the flyouts stay on the screen longer the very first time
			var flyoutspeed = 1250;
			var textBeingEntered = false;
			var selectedElement = null;
			var multiselected = false;
			var editingsource = false;
			var docprops = false;
			var preferences = false;
			var cur_context = '';
			
			var saveHandler = function(window,svg) {
				Editor.show_save_warning = false;
			
				// by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs) 
				// can just provide their own custom save handler and might not want the XML prolog
				svg = '<?xml version="1.0"?>\n' + svg;
				
				// Opens the SVG in new window, with warning about Mozilla bug #308590 when applicable
				
				var ua = navigator.userAgent;

				// Chrome 5 (and 6?) don't allow saving, show source instead ( http://code.google.com/p/chromium/issues/detail?id=46735 )
				// IE9 doesn't allow standalone Data URLs ( https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves )
				if((~ua.indexOf('Chrome') && $.browser.version >= 533) || ~ua.indexOf('MSIE')) {
					showSourceEditor(0,true);
					return;	
				}
				var win = window.open("data:image/svg+xml;base64," + Utils.encode64(svg));
				
				// Alert will only appear the first time saved OR the first time the bug is encountered
				var done = $.pref('save_notice_done');
				if(done !== "all") {
		
					var note = uiStrings.notification.saveFromBrowser.replace('%s', 'SVG');
					
					// Check if FF and has <defs/>
					if(ua.indexOf('Gecko/') !== -1) {
						if(svg.indexOf('<defs') !== -1) {
							note += "\n\n" + uiStrings.notification.defsFailOnSave;
							$.pref('save_notice_done', 'all');
							done = "all";
						} else {
							$.pref('save_notice_done', 'part');
						}
					} else {
						$.pref('save_notice_done', 'all'); 
					}
					
					if(done !== 'part') {
						win.alert(note);
					}
				}
			};
			
			var exportHandler = function(window, data) {
				var issues = data.issues;
				
				if(!$('#export_canvas').length) {
					$('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');
				}
				var c = $('#export_canvas')[0];
				
				c.width = svgCanvas.contentW;
				c.height = svgCanvas.contentH;
				canvg(c, data.svg, {renderCallback: function() {
					var datauri = c.toDataURL('image/png');
					exportWindow.location.href = datauri;
					var done = $.pref('export_notice_done');
					if(done !== "all") {
						var note = uiStrings.notification.saveFromBrowser.replace('%s', 'PNG');
						
						// Check if there's issues
						if(issues.length) {
							var pre = "\n \u2022 ";
							note += ("\n\n" + uiStrings.notification.noteTheseIssues + pre + issues.join(pre));
						} 
						
						// Note that this will also prevent the notice even though new issues may appear later.
						// May want to find a way to deal with that without annoying the user
						$.pref('export_notice_done', 'all'); 
						exportWindow.alert(note);
					}
				}});
			};
			
			// called when we've selected a different element
			var selectedChanged = function(window,elems) {
				var mode = svgCanvas.getMode();
				if(mode === "select") setSelectMode();
				var is_node = (mode == "pathedit");
				// if elems[1] is present, then we have more than one element
				selectedElement = (elems.length == 1 || elems[1] == null ? elems[0] : null);
				elems = elems.filter(Boolean)
				multiselected = (elems.length >= 2) ? elems : false;
				if (selectedElement != null) {
					// unless we're already in always set the mode of the editor to select because
					// upon creation of a text element the editor is switched into
					// select mode and this event fires - we need our UI to be in sync

					if (!is_node) {
						updateToolbar();
					} 
					
				} 
				togglePathEditMode(is_node, elems);
				updateContextPanel();
				svgCanvas.runExtensions("selectedChanged", {
					elems: elems,
					selectedElement: selectedElement,
					multiselected: multiselected
				});
			};
		
			// Call when part of element is in process of changing, generally
			// on mousemove actions like rotate, move, etc.
			var elementTransition = function(window,elems) {
				var mode = svgCanvas.getMode();
				var elem = elems[0];
				
				if(!elem) return;
				
				multiselected = (elems.length >= 2 && elems[1] != null) ? elems : null;
				// Only updating fields for single elements for now
				if(!multiselected) {
					switch ( mode ) {
						case "rotate":
							var ang = svgCanvas.getRotationAngle(elem);
							$('#angle').val(Math.round(ang));
							rotateCursor(ang);
							$('#tool_reorient').toggleClass('disabled', ang == 0);
							break;
						
						// TODO: Update values that change on move/resize, etc
// 						case "select":
// 						case "resize":
// 							break;
					}
				}
				svgCanvas.runExtensions("elementTransition", {
					elems: elems
				});
			};
		
			// called when any element has changed
			var elementChanged = function(window,elems) {
				var mode = svgCanvas.getMode();
				if(mode === "select") {
					setSelectMode();
				}
				
				for (var i = 0; i < elems.length; ++i) {
					var elem = elems[i];
					
					// if the element changed was the svg, then it could be a resolution change
					if (elem && elem.tagName === "svg") {
						//populateLayers();
						updateCanvas();
					} 
					// Update selectedElement if element is no longer part of the image.
					// This occurs for the text elements in Firefox
					else if(elem && selectedElement && selectedElement.parentNode == null) {
// 						|| elem && elem.tagName == "path" && !multiselected) { // This was added in r1430, but not sure why
						selectedElement = elem;
					}
				}
				
				Editor.show_save_warning = true;
		
				// we update the contextual panel with potentially new
				// positional/sizing information (we DON'T want to update the
				// toolbar here as that creates an infinite loop)
				// also this updates the history buttons
		
				// we tell it to skip focusing the text control if the
				// text element was previously in focus
				updateContextPanel();
				
				// In the event a gradient was flipped:
				if(selectedElement && mode === "select") {
					Editor.paintBox.fill.update();
					Editor.paintBox.stroke.update();
				}
				
				svgCanvas.runExtensions("elementChanged", {
					elems: elems
				});
			};
			
			var zoomChanged = function(window, bbox, autoCenter) {
				var scrbar = 15,
					res = svgCanvas.getResolution(),
					w_area = workarea,
					canvas_pos = $('#svgcanvas').position();
				var z_info = svgCanvas.setBBoxZoom(bbox, w_area.width()-scrbar, w_area.height()-scrbar);
				if(!z_info) return;
				var zoomlevel = z_info.zoom,
					bb = z_info.bbox;
				
				if(zoomlevel < .001) {
					changeZoom({value: .1});
					return;
				}
				
				//animate
				var start = Date.now();
				var duration = 500;
				var diff = (zoomlevel) - (res.zoom)
				var zoom = $('#zoom')[0]
				var current_zoom = res.zoom
				var animateZoom = function(timestamp) {
				  var progress = timestamp - start
				  var tick = progress / duration
          tick = (Math.pow((tick-1), 3) +1);
          svgCanvas.setZoom(current_zoom + (diff*tick));
				  updateCanvas();
				  if (tick < 1) {
            requestAnimationFrame(animateZoom)
				  }
				  else {
				    $("#zoom").val(zoomlevel*100)
				    $("option", "#zoom_select").removeAttr("selected")
				    $("option[value="+ zoomlevel*100 +"]", "#zoom_select").attr("selected", "selected")
				  }
				}
				animateZoom(Date.now())
				
 			  
				
				//if(autoCenter) {
				//	updateCanvas();
				//} else {
				//	updateCanvas(false, {x: bb.x * zoomlevel + (bb.width * zoomlevel)/2, y: bb.y * zoomlevel + (bb.height * zoomlevel)/2});
				//}
		
				if(svgCanvas.getMode() == 'zoom' && bb.width) {
					// Go to select if a zoom box was drawn
					setSelectMode();
				}
				
				zoomDone();
			}
			
			$('#cur_context_panel').delegate('a', 'click', function() {
				var link = $(this);
				if(link.attr('data-root')) {
					svgCanvas.leaveContext();
				} else {
					svgCanvas.setContext(link.text());
				}
				return false;
			});
			
			var contextChanged = function(win, context) {
				
				var link_str = '';
				if(context) {
					var str = '';
					link_str = '<a href="#" data-root="y">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';
					
					$(context).parentsUntil('#svgcontent > g').andSelf().each(function() {
						if(this.id) {
							str += ' > ' + this.id;
							if(this !== context) {
								link_str += ' > <a href="#">' + this.id + '</a>';
							} else {
								link_str += ' > ' + this.id;
							}
						}
					});

					cur_context = str;
				} else {
					cur_context = null;
				}
				$('#cur_context_panel').toggle(!!context).html(link_str);

			}
			
			// Makes sure the current selected paint is available to work with
			var prepPaints = function() {
				Editor.paintBox.fill.prep();
				Editor.paintBox.stroke.prep();
			}
			
			var flyout_funcs = {};
			
			var setupFlyouts = function(holders) {
				$.each(holders, function(hold_sel, btn_opts) {
					var buttons = $(hold_sel).children();
					var show_sel = hold_sel + '_show';
					var shower = $(show_sel);
					var def = false;
					buttons.addClass('tool_button')
						.unbind('click mousedown mouseup') // may not be necessary
						.each(function(i) {
							// Get this buttons options
							var opts = btn_opts[i];
							
							// Remember the function that goes with this ID
							flyout_funcs[opts.sel] = opts.fn;

							if(opts.isDefault) def = i;

							// Clicking the icon in flyout should set this set's icon
							var func = function(event) {
								var options = opts;
								//find the currently selected tool if comes from keystroke
								if (event.type === "keydown") {
									var flyoutIsSelected = $(options.parent + "_show").hasClass('tool_button_current'); 
									var currentOperation = $(options.parent + "_show").attr("data-curopt");
									$.each(holders[opts.parent], function(i, tool){
										if (tool.sel == currentOperation) {
											if(!event.shiftKey || !flyoutIsSelected) {
												options = tool;
											}
											else {
												options = holders[opts.parent][i+1] || holders[opts.parent][0];
											}
										}
									});
								}
								if($(this).hasClass('disabled')) return false;
								if (toolButtonClick(show_sel)) {
									options.fn();
								}
								if(options.icon) {
									var icon = $.getSvgIcon(options.icon, true);
								} else {
									var icon = $(options.sel).children().eq(0).clone();
								}

								icon[0].setAttribute('width',shower.width());
								icon[0].setAttribute('height',shower.height());
								shower.children(':not(.flyout_arrow_horiz)').remove();
								shower.append(icon).attr('data-curopt', options.sel); // This sets the current mode
							}

							$(this).mouseup(func);

							if(opts.key) {
								$(document).bind('keydown', opts.key[0] + " shift+" + opts.key[0], func);
							}
						});

					if(def) {
						shower.attr('data-curopt', btn_opts[def].sel);
					} else if(!shower.attr('data-curopt')) {
						// Set first as default
						shower.attr('data-curopt', btn_opts[0].sel);
					}
					
					var timer;
					
					var pos = $(show_sel).position();
					$(hold_sel).css({'left': pos.left+34, 'top': pos.top+77});
					
					// Clicking the "show" icon should set the current mode
					shower.mousedown(function(evt) {
            if ($('#tools_shapelib').is(":visible")) toolButtonClick(show_sel, false);
						if(shower.hasClass('disabled')) return false;
						var holder = $(hold_sel);
						var l = pos.left+34;
						var w = holder.width()*-1;
						var time = holder.data('shown_popop')?200:0;
						timer = setTimeout(function() {
							// Show corresponding menu
							if(!shower.data('isLibrary')) {
								holder.css('left', w).show().animate({
									left: l
								},50);
							} else {
								holder.css('left', l).show();
							}
							holder.data('shown_popop',true);
						},time);
						evt.preventDefault();
					}).mouseup(function(evt) {
						clearTimeout(timer);
						var opt = $(this).attr('data-curopt');
						// Is library and popped up, so do nothing
						if(shower.data('isLibrary') && $(show_sel.replace('_show','')).is(':visible')) {
							toolButtonClick(show_sel, true);
							return;
						}
						if (toolButtonClick(show_sel) && (opt in flyout_funcs)) {
							flyout_funcs[opt]();
						}
					});
					
					// 	$('#tools_rect').mouseleave(function(){$('#tools_rect').fadeOut();});
				});
				
				setFlyoutTitles();
			}
			
			var makeFlyoutHolder = function(id, child) {
				var div = $('<div>',{
					'class': 'tools_flyout',
					id: id
				}).appendTo('#svg_editor').append(child);
				
				return div;
			}
			
			var setFlyoutPositions = function() {
				$('.tools_flyout').each(function() {
					var shower = $('#' + this.id + '_show');
					var pos = shower.offset();
					var w = shower.outerWidth();
					$(this).css({left: (pos.left + w)*tool_scale, top: pos.top});
				});
			}
			
			var setFlyoutTitles = function() {
				$('.tools_flyout').each(function() {
					var shower = $('#' + this.id + '_show');
					if(shower.data('isLibrary')) return;
					
					var tooltips = [];
					$(this).children().each(function() {
						tooltips.push(this.title);
					});
					shower[0].title = tooltips.join(' / ');
				});
			}

			var resize_timer;			
			
			var extAdded = function(window, ext) {
		
				var cb_called = false;
				var resize_done = false;
				var cb_ready = true; // Set to false to delay callback (e.g. wait for $.svgIcons)
				
				function prepResize() {
					if(resize_timer) {
						clearTimeout(resize_timer);
						resize_timer = null;
					}
					if(!resize_done) {
						resize_timer = setTimeout(function() {
							resize_done = true;
							setIconSize(curPrefs.iconsize);
						}, 50);	
					}
				}

				
				var runCallback = function() {
					if(ext.callback && !cb_called && cb_ready) {
						cb_called = true;
						ext.callback();
					}
				}
		
				var btn_selects = [];
		
				if(ext.context_tools) {
					$.each(ext.context_tools, function(i, tool) {
						// Add select tool
						var cont_id = tool.container_id?(' id="' + tool.container_id + '"'):"";
						
						var panel = $('#' + tool.panel);
						
						// create the panel if it doesn't exist
						if(!panel.length)
							panel = $('<div>', {id: tool.panel}).appendTo("#tools_top").hide();
						
						// TODO: Allow support for other types, or adding to existing tool
						switch (tool.type) {
						case 'tool_button':
							var html = '<div class="tool_button">' + tool.id + '</div>';
							var div = $(html).appendTo(panel);
							if (tool.events) {
								$.each(tool.events, function(evt, func) {
									$(div).bind(evt, func);
								});
							}
							break;
						case 'select':
							var html = '<label' + cont_id + '>'
								+ '<select id="' + tool.id + '">';
							$.each(tool.options, function(val, text) {
								var sel = (val == tool.defval) ? " selected":"";
								html += '<option value="'+val+'"' + sel + '>' + text + '</option>';
							});
							html += "</select></label>";
							// Creates the tool, hides & adds it, returns the select element
							var sel = $(html).appendTo(panel).find('select');
							
							$.each(tool.events, function(evt, func) {
								$(sel).bind(evt, func);
							});
							break;
						case 'button-select': 
							var html = '<div id="' + tool.id + '" class="dropdown toolset" title="' + tool.title + '">'
								+ '<div id="cur_' + tool.id + '" class="icon_label"></div><button></button></div>';
							
							var list = $('<ul id="' + tool.id + '_opts"></ul>').appendTo('#option_lists');
							if(tool.colnum) {
								list.addClass('optcols' + tool.colnum);
							}
							
							// Creates the tool, hides & adds it, returns the select element
							var dropdown = $(html).appendTo(panel).children();
							
							btn_selects.push({
								elem: ('#' + tool.id),
								list: ('#' + tool.id + '_opts'),
								title: tool.title,
								callback: tool.events.change,
								cur: ('#cur_' + tool.id)
							});

							break;
						case 'input':
							var html = '<label' + cont_id + '>'
								+ '<span id="' + tool.id + '_label">' 
								+ tool.label + ':</span>'
								+ '<input id="' + tool.id + '" title="' + tool.title
								+ '" size="' + (tool.size || "4") + '" value="' + (tool.defval || "") + '" type="text"/></label>'
								
							// Creates the tool, hides & adds it, returns the select element
							
							// Add to given tool.panel
							var inp = $(html).appendTo(panel).find('input');
							
							if(tool.spindata) {
								inp.SpinButton(tool.spindata);
							}
							
							if(tool.events) {
								$.each(tool.events, function(evt, func) {
									inp.bind(evt, func);
								});
							}
							break;
							
						default:
							break;
						}
					});
				}
				
				if(ext.buttons) {
					var fallback_obj = {},
						placement_obj = {},
						svgicons = ext.svgicons;
					var holders = {};
					
				
					// Add buttons given by extension
					$.each(ext.buttons, function(i, btn) {
						var icon;
						var id = btn.id;
						var num = i;
						// Give button a unique ID
						while($('#'+id).length) {
							id = btn.id + '_' + (++num);
						}
						if(!svgicons) {
							icon = (btn.type == "menu") ? "" : $('<img src="' + btn.icon + '">');
						} else {
							fallback_obj[id] = btn.icon;
							var svgicon = btn.svgicon ? btn.svgicon : btn.id;
							if(btn.type == 'app_menu') {
								placement_obj['#' + id + ' > div'] = svgicon;
							} else {
								placement_obj['#' + id] = svgicon;
							}
						}
						
						var cls, parent;
						
						
						
						// Set button up according to its type
						switch ( btn.type ) {
						case 'mode_flyout':
						case 'mode':
							cls = 'tool_button';
							if(btn.cls) {
  						  cls += " " + btn.cls;
  						}
							parent = "#tools_left";
							break;
						case 'context':
							cls = 'tool_button';
							parent = "#" + btn.panel;
							// create the panel if it doesn't exist
							if(!$(parent).length)
								$('<div>', {id: btn.panel}).appendTo("#tools_top");
							break;
						case 'menu':
							cls = 'menu_item tool_button';
							parent = "#" + (btn.after || btn.panel);
							break;
						case 'app_menu':
							cls = '';
							parent = btn.parent || '#main_menu ul';
							// create the panel if it doesn't exist
							if(!$(parent).length)
								$('<div>', {id: btn.panel}).appendTo("#tools_top");
							break;
						}
						
						var button = $((btn.list || btn.type == 'app_menu')?'<li/>':'<div/>')
							.attr("id", id)
							.attr("title", btn.title)
							.addClass(cls);
						if(!btn.includeWith && !btn.list) {
							if("position" in btn) {
								$(parent).children().eq(btn.position).before(button);
							} else {
								if (btn.type != "menu" || !btn.after) button.appendTo(parent);
								else $(parent).after(button);
							}

							if(btn.type =='mode_flyout') {
							// Add to flyout menu / make flyout menu
	// 							var opts = btn.includeWith;
	// 							// opts.button, default, position
								var ref_btn = $(button);
								
								var flyout_holder = ref_btn.parent();
								// Create a flyout menu if there isn't one already
								if(!ref_btn.parent().hasClass('tools_flyout')) {
									// Create flyout placeholder
									var tls_id = ref_btn[0].id.replace('tool_','tools_')
									var show_btn = ref_btn.clone()
										.attr('id',tls_id + '_show')
										.append($('<div>',{'class':'flyout_arrow_horiz'}));
										
									ref_btn.before(show_btn);
								
									// Create a flyout div
									flyout_holder = makeFlyoutHolder(tls_id, ref_btn);
									flyout_holder.data('isLibrary', true);
									show_btn.data('isLibrary', true);
								} 
								
								
								
	// 							var ref_data = Actions.getButtonData(opts.button);
								
								placement_obj['#' + tls_id + '_show'] = btn.id;
								// TODO: Find way to set the current icon using the iconloader if this is not default
								
								// Include data for extension button as well as ref button
								var cur_h = holders['#'+flyout_holder[0].id] = [{
									sel: '#'+id,
									fn: btn.events.click,
									icon: btn.id,
// 									key: btn.key,
									isDefault: true
								}, ref_data];

							} else if(btn.type == 'app_menu' || btn.type == 'menu') {
								button.append(btn.title);
							}
							
						} else if(btn.list) {
							// Add button to list
							button.addClass('push_button');
							$('#' + btn.list + '_opts').append(button);
 							if(btn.isDefault) {
 								$('#cur_' + btn.list).append(button.children().clone());
 								var svgicon = btn.svgicon?btn.svgicon:btn.id;
	 							placement_obj['#cur_' + btn.list] = svgicon;
 							}
						} else if(btn.includeWith) {
							// Add to flyout menu / make flyout menu
							var opts = btn.includeWith;
							// opts.button, default, position
							var ref_btn = $(opts.button);
							
							var flyout_holder = ref_btn.parent();
							// Create a flyout menu if there isn't one already
							if(!ref_btn.parent().hasClass('tools_flyout')) {
								// Create flyout placeholder
								var tls_id = ref_btn[0].id.replace('tool_','tools_')
								var show_btn = ref_btn.clone()
									.attr('id',tls_id + '_show')
									.append($('<div>',{'class':'flyout_arrow_horiz'}));
									
								ref_btn.before(show_btn);
							
								// Create a flyout div
								flyout_holder = makeFlyoutHolder(tls_id, ref_btn);
							} 
							
							var ref_data = Actions.getButtonData(opts.button);
							
							if(opts.isDefault) {
								placement_obj['#' + tls_id + '_show'] = btn.id;
							} 
							// TODO: Find way to set the current icon using the iconloader if this is not default
							
							// Include data for extension button as well as ref button
							var cur_h = holders['#'+flyout_holder[0].id] = [{
								sel: '#'+id,
								fn: btn.events.click,
								icon: btn.id,
								key: btn.key,
								isDefault: btn.includeWith?btn.includeWith.isDefault:0
							}, ref_data];
							
							// {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
								
							var pos  = ("position" in opts)?opts.position:'last';
							var len = flyout_holder.children().length;
							
							// Add at given position or end
							if(!isNaN(pos) && pos >= 0 && pos < len) {
								flyout_holder.children().eq(pos).before(button);
							} else {
								flyout_holder.append(button);
								cur_h.reverse();
							}
						} 
						
						if(!svgicons) {
							button.append(icon);
						}
						
						if(!btn.list) {
							// Add given events to button
							$.each(btn.events, function(name, func) {
								if(name == "click") {
									if(btn.type == 'mode') {
										if(btn.includeWith) {
											button.bind(name, func);
										} else {
											button.bind(name, function() {
												if(toolButtonClick(button)) {
													func();
												}
											});
										}
										if(btn.key) {
											$(document).bind('keydown', btn.key, func);
											if(btn.title) button.attr("title", btn.title + ' ['+btn.key+']');
										}
									} else {
										button.bind(name, func);
									}
								} else {
									button.bind(name, func);
								}
							});
						}
						setupFlyouts(holders);
					});
					
					$.each(btn_selects, function() {
						addAltDropDown(this.elem, this.list, this.callback, {seticon: true}); 
					});
					
					if (svgicons)
						cb_ready = false; // Delay callback

					$.svgIcons(svgicons, {
						w:27, h:27,
						id_match: false,
						no_img: (!isWebkit),
						fallback: fallback_obj,
						placement: placement_obj,
						callback: function(icons) {
							// Non-ideal hack to make the icon match the current size
							if(curPrefs.iconsize && curPrefs.iconsize != 'm') {
								prepResize();
							}
							cb_ready = true; // Ready for callback
							runCallback();
						}
				
					});
				}
				
				runCallback();
			};
			
			var getPaint = function(color, opac, type) {
				// update the editor's fill paint
				var opts = null;
				if (color.indexOf("url(#") === 0) {
					var refElem = svgCanvas.getRefElem(color);
					if(refElem) {
						refElem = refElem.cloneNode(true);
					} else {
						refElem =  $("#" + type + "_color defs *")[0];
					}
					
					opts = { alpha: opac };
					opts[refElem.tagName] = refElem;
				} 
				else if (color.indexOf("#") === 0) {
					opts = {
						alpha: opac,
						solidColor: color.substr(1)
					};
				}
				else {
					opts = {
						alpha: opac,
						solidColor: 'none'
					};
				}
				return new $.jGraduate.Paint(opts);
			};	
			
			// set the canvas properties at init
			var res = svgCanvas.getResolution();
			if(curConfig.baseUnit !== "px") {
				res.w = svgedit.units.convertUnit(res.w) + curConfig.baseUnit;
				res.h = svgedit.units.convertUnit(res.h) + curConfig.baseUnit;
			}
			
			var createBackground = function(fill) {
        svgCanvas.createLayer("background")
  			cur_shape = svgCanvas.addSvgElementFromJson({
  				"element": "rect",
  				"attr": {
  					"x": -1,
  					"y": -1,
  					"width": res.w+2,
  					"height": res.h+2,
  					"stroke": "none",
  					"id": "canvas_background",
  					"opacity": 1,
  					"fill": fill || "#fff",
  					"style": "pointer-events:none"
  				}
  			});
  			svgCanvas.setCurrentLayer("Layer 1")
  			svgCanvas.setCurrentLayerPosition("1")
      }
			
			// create a new layer background if it doesn't exist
			if (!document.getElementById('canvas_background')) createBackground();
			var fill = document.getElementById('canvas_background').getAttribute("fill");
			
			// updates the toolbar (colors, opacity, etc) based on the selected element
			// This function also updates the opacity and id elements that are in the context panel
			var updateToolbar = function() {
				if (selectedElement != null) {
				
					switch ( selectedElement.tagName ) {
					case 'use':
					case 'image':
					case 'foreignObject':
						break;
					case 'g':
					case 'a':
						// Look for common styles
						
						var gWidth = null;
						
						var childs = selectedElement.getElementsByTagName('*');
						for(var i = 0, len = childs.length; i < len; i++) {
							var swidth = childs[i].getAttribute("stroke-width");
							
							if(i === 0) {
								gWidth = swidth;
							} else if(gWidth !== swidth) {
								gWidth = null;
							}
						}
						
						$('#stroke_width').val(gWidth === null ? "" : gWidth);
						
						Editor.paintBox.fill.update(true);
						Editor.paintBox.stroke.update(true);

						
						break;
					default:
						Editor.paintBox.fill.update(true);
						Editor.paintBox.stroke.update(true);
						
						$('#stroke_width').val(selectedElement.getAttribute("stroke-width") || 1);
						var dash = selectedElement.getAttribute("stroke-dasharray") || "none"
						$('option', '#stroke_style').removeAttr('selected');
						$('#stroke_style option[value="'+ dash +'"]').attr("selected", "selected");
						$('#stroke_style').trigger('change');
	          $.fn.dragInput.updateCursor($('#stroke_width')[0])
						var attr = selectedElement.getAttribute("stroke-linejoin") || 'miter';
						
						if ($('#linejoin_' + attr).length != 0)
							setStrokeOpt($('#linejoin_' + attr)[0]);
						
						attr = selectedElement.getAttribute("stroke-linecap") || 'butt';
						
						if ($('#linecap_' + attr).length != 0)
							setStrokeOpt($('#linecap_' + attr)[0]);
					}
	
				}
				
				// All elements including image and group have opacity
				if(selectedElement != null) {
					var opac_perc = ((selectedElement.getAttribute("opacity")||1.0)*100);
					$('#group_opacity').val(opac_perc);
					$.fn.dragInput.updateCursor($('#group_opacity')[0])
				}
				
				updateToolButtonState();
			};
		
			var setImageURL = Editor.setImageURL = function(url) {
				if(!url) url = default_img_url;
				
				svgCanvas.setImageURL(url);
				$('#image_url').val(url);
			}
		
			var setInputWidth = function(elem) {
				var w = Math.min(Math.max(12 + elem.value.length * 6, 50), 300);
				$(elem).width(w);
			}
		
			// updates the context panel tools based on the selected element
			var updateContextPanel = function() {
			  
				var elem = selectedElement;
				// If element has just been deleted, consider it null
				if(elem != null && !elem.parentNode) elem = null;
				if (multiselected && multiselected[0] != null && !multiselected[0].parentNode) multiselected = false;
				
				var currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();
				var currentMode = svgCanvas.getMode();
				var unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;
				
				var is_node = currentMode == 'pathedit'; //elem ? (elem.id && elem.id.indexOf('pathpointgrip') == 0) : false;
				var menu_items = $('#cmenu_canvas li');
				$('.context_panel').hide();
				$('.menu_item', '#edit_menu').addClass('disabled');
				$('.menu_item', '#object_menu').addClass('disabled');
				
        
        //hack to show the proper multialign box
        if (multiselected) {
          multiselected = multiselected.filter(Boolean);
          elem = (svgCanvas.elementsAreSame(multiselected)) ? multiselected[0] : null
          if (elem) $("#tools_top").addClass("multiselected")
        }

        if (!elem && !multiselected) {
          $("#tools_top").removeClass("multiselected")			  
          $("#stroke_panel").hide();
          $("#canvas_panel").show();
				}
    
		
				if (elem != null) {
				  $("#stroke_panel").show();
					var elname = elem.nodeName;
					var angle = svgCanvas.getRotationAngle(elem);
					$('#angle').val(Math.round(angle));
					
					var blurval = svgCanvas.getBlur(elem);
					$('#blur').val(blurval);
					
					if(!is_node && currentMode != 'pathedit') {
						$('#selected_panel').show();
						$('.action_selected').removeClass('disabled');
						// Elements in this array already have coord fields
            var x, y
						if(['g', 'polyline', 'path'].indexOf(elname) >= 0) {
							var bb = svgCanvas.getStrokedBBox([elem]);
							if(bb) {
								x = bb.x;
								y = bb.y;
							}
						}
						
						if(unit) {
							x = svgedit.units.convertUnit(x);
							y = svgedit.units.convertUnit(y);
						}
												
						$("#" + elname +"_x").val(Math.round(x))
						$("#" + elname +"_y").val(Math.round(y))
											
					  // Elements in this array cannot be converted to a path
  					var no_path = ['image', 'text', 'path', 'g', 'use'].indexOf(elname) == -1;
  					if (no_path) $('.action_path_convert_selected').removeClass('disabled');
  					if (elname === "path") $('.action_path_selected').removeClass('disabled');
  
					} else {
					  $('#path_node_panel').show();
					  $('#stroke_panel').hide();
						var point = path.getNodePoint();
						$('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');
						$('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);
						
						// Show open/close button based on selected point
						setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');
						
						if(point) {
							var seg_type = $('#seg_type');
							if(unit) {
								point.x = svgedit.units.convertUnit(point.x);
								point.y = svgedit.units.convertUnit(point.y);
							}
							$('#path_node_x').val(Math.round(point.x));
							$('#path_node_y').val(Math.round(point.y));
							if(point.type) {
								seg_type.val(point.type).removeAttr('disabled');
							} else {
								seg_type.val(4).attr('disabled','disabled');
							}
						}
						return;
					}
					
					var link_href = null;
					if (el_name === 'a') {
						link_href = svgCanvas.getHref(elem);
						$('#g_panel').show();
					}
					
					if(elem.parentNode.tagName === 'a') {
						if(!$(elem).siblings().length) {
							$('#a_panel').show();
							link_href = svgCanvas.getHref(elem.parentNode);
						}
					}
					
					// Hide/show the make_link buttons
					$('#tool_make_link, #tool_make_link').toggle(!link_href);
					
					if(link_href) {
						$('#link_url').val(link_href);
					}
					
					// update contextual tools here
					var panels = {
						g: [],
						a: [],
						rect: ['rx','width','height', 'x', 'y'],
						image: ['width','height', 'x', 'y'],
						circle: ['cx','cy','r'],
						ellipse: ['cx','cy','rx','ry'],
						line: ['x1','y1','x2','y2'], 
						text: ['x', 'y'],
						'use': [],
						path : []
					};
					
					var el_name = elem.tagName;
					
 					if($(elem).data('gsvg')) {
 						$('#g_panel').show();
 					}
 					
 					if (el_name == "path") {
 					  $('#path_panel').show();
 					}
					
					if(panels[el_name]) {
						var cur_panel = panels[el_name];
						$('#' + el_name + '_panel').show();
			      
			      // corner radius has to live in a different panel
			      // because otherwise it changes the position of the 
			      // of the elements
			      if(el_name == "rect") $("#cornerRadiusLabel").show()
			      else $("#cornerRadiusLabel").hide()
						
						$.each(cur_panel, function(i, item) {
							var attrVal = elem.getAttribute(item);
							if(curConfig.baseUnit !== 'px' && elem[item]) {
								var bv = elem[item].baseVal.value;
								attrVal = svgedit.units.convertUnit(bv);
							}
							
							//update the draginput cursors
						  var name_item = document.getElementById(el_name + '_' + item);
							name_item.value = Math.round(attrVal) || 0;
							if (name_item.getAttribute("data-cursor") === "true") {
      				  $.fn.dragInput.updateCursor(name_item );
      				}
						});
						
						if(el_name == 'text') {
							var font_family = elem.getAttribute("font-family");
							var select = document.getElementById("font_family_dropdown");
							select.selectedIndex = 3
							
							$('#text_panel').css("display", "inline");	
							$('#tool_italic').toggleClass('active', svgCanvas.getItalic())
							$('#tool_bold').toggleClass('active', svgCanvas.getBold())
							$('#font_family').val(font_family);
							$('#font_size').val(elem.getAttribute("font-size"));
							$('#text').val(elem.textContent);
							$('#preview_font').text(font_family.split(",")[0].replace(/'/g, "")).css('font-family', font_family);
							if (svgCanvas.addedNew) {
								// Timeout needed for IE9
								setTimeout(function() {
									$('#text').focus().select();
								},100);
							}
						} // text
						else if(el_name == 'image') {
							setImageURL(svgCanvas.getHref(elem));
						} // image
						else if(el_name === 'g' || el_name === 'use') {
							$('#container_panel').show();
							$('.action_group_selected').removeClass('disabled');
							var title = svgCanvas.getTitle();
						}
					}
					menu_items[(el_name === 'g' ? 'en':'dis') + 'ableContextMenuItems']('#ungroup');
					menu_items[((el_name === 'g' || !multiselected) ? 'dis':'en') + 'ableContextMenuItems']('#group');
				}
				
				if (multiselected) {
					$('#multiselected_panel').show();
					$('.action_multi_selected').removeClass('disabled');
					menu_items
						.enableContextMenuItems('#group')
						.disableContextMenuItems('#ungroup');
				} 
				
				if (!elem) {
					menu_items.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');
				}
				
				// update history buttons
				if (undoMgr.getUndoStackSize() > 0) {
					$('#tool_undo').removeClass( 'disabled');
				}
				else {
					$('#tool_undo').addClass( 'disabled');
				}
				if (undoMgr.getRedoStackSize() > 0) {
					$('#tool_redo').removeClass( 'disabled');
				}
				else {
					$('#tool_redo').addClass( 'disabled');
				}
				
				svgCanvas.addedNew = false;
				
				if ( (elem && !is_node)	|| multiselected) {
					// update the selected elements' layer
					$('#selLayerNames').removeAttr('disabled').val(currentLayerName);
					
					// Enable regular menu options
					canv_menu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');
				}
			};
		
			$('#text').on("focus", function(e){ textBeingEntered = true; } );
			$('#text').on("blur", function(){ textBeingEntered = false; } );
		  
			// bind the selected event to our function that handles updates to the UI
			svgCanvas.bind("selected", selectedChanged);
			svgCanvas.bind("transition", elementTransition);
			svgCanvas.bind("changed", elementChanged);
			svgCanvas.bind("saved", saveHandler);
			svgCanvas.bind("exported", exportHandler);
			svgCanvas.bind("zoomed", zoomChanged);
			svgCanvas.bind("contextset", contextChanged);
			svgCanvas.bind("extension_added", extAdded);
			svgCanvas.textActions.setInputElem($("#text")[0]);
		
			var str = '<div class="palette_item" data-rgb="none"></div>'
			$.each(palette, function(i,item){
				str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
			});
			$('#palette').append(str);
			
			var changeFontSize = function(ctl) {
				svgCanvas.setFontSize(ctl.value);
			}
			
			var changeStrokeWidth = function(ctl) {
				var val = ctl.value;
				if(val == 0 && selectedElement && ['line', 'polyline'].indexOf(selectedElement.nodeName) >= 0) {
					val = ctl.value = 1;
				}
				svgCanvas.setStrokeWidth(val);
			}
			
			//cache
			var $indicator = $('#tool_angle_indicator')
			var $reorient = $('#tool_reorient')
			
			rotateCursor = function(angle){
			  var rotate_string = 'rotate('+ angle + 'deg)'
  			$indicator.css({
  			  '-webkit-transform': rotate_string,
  			  '-moz-transform': rotate_string,
  			  '-o-transform': rotate_string,
  			  '-ms-transform': rotate_string,
  			  'transform': rotate_string
  			});
			}
			
			var changeRotationAngle = function(ctl) {
				svgCanvas.setRotationAngle(ctl.value);
				rotateCursor(ctl.value)
				$('#tool_reorient').toggleClass('disabled', ctl.value == 0);
			}
			
			var changeZoom = function(ctl) {
				var zoomlevel = ctl.value / 100;
				if(zoomlevel < .001) {
					ctl.value = .1;
					return;
				}
				var zoom = svgCanvas.getZoom();
				var w_area = workarea;
				zoomChanged(window, {
					width: 0,
					height: 0,
					// center pt of scroll position
					x: (w_area[0].scrollLeft + w_area.width()/2)/zoom, 
					y: (w_area[0].scrollTop + w_area.height()/2)/zoom,
					zoom: zoomlevel
				}, true);
			}
			
			var changeBlur = function(ctl, completed) {
				val = ctl.value;
				$('#blur').val(val);
				svgCanvas.setBlur(val, true);
			}
		
			var operaRepaint = function() {
				// Repaints canvas in Opera. Needed for stroke-dasharray change as well as fill change
				if(!window.opera) return;
				$('<p/>').hide().appendTo('body').remove();
			}
		
			$('#stroke_style').change(function(){
				svgCanvas.setStrokeAttr('stroke-dasharray', $(this).val());
				$("#stroke_style_label").html(this.options[this.selectedIndex].text)
				operaRepaint();
			});
			
			$('#seg_type').change(function() {
				svgCanvas.setSegType($(this).val());
				$("#seg_type_label").html(this.options[this.selectedIndex].text)
			});
		
			// Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
			$('select').change(function(){$(this).blur();});
		
			$('#font_family').change(function() {
				svgCanvas.setFontFamily(this.value);
			});
				
			$('#text').keyup(function(){
				svgCanvas.setTextContent(this.value);
			});
		  
			changeAttribute = function(el, completed) {
				var attr = el.getAttribute("data-attr");
				var multiplier = el.getAttribute("data-multiplier") || 1;
				multiplier = parseFloat(multiplier);
				var val = el.value * multiplier;
				var valid = svgedit.units.isValidUnit(attr, val, selectedElement);
				if(!valid) {
					$.alert(uiStrings.notification.invalidAttrValGiven);
					el.value = selectedElement.getAttribute(attr);
					return false;
				}
				//if (!noUndo) svgCanvas.changeSelectedAttribute(attr, val);
				svgCanvas.changeSelectedAttributeNoUndo(attr, val);
			};
			
			// Prevent selection of elements when shift-clicking
			$('#palette').mouseover(function() {
				var inp = $('<input type="hidden">');
				$(this).append(inp);
				inp.focus().remove();
			});
			
			$('.palette_item').on("mousedown touchstart touchmove", function(evt){
				var isStroke = $('#tool_stroke').hasClass('active');
				var picker = isStroke ? "stroke" : "fill";
				var color = $(this).attr('data-rgb');
				var paint = null;
		
				// Webkit-based browsers returned 'initial' here for no stroke
				if (color === 'transparent' || color === 'initial' || color === '#none') {
					color = 'none';
					paint = new $.jGraduate.Paint();
				}
				else {
					paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});
				}
				
				Editor.paintBox[picker].setPaint(paint);
				
				if (isStroke) {
					svgCanvas.setColor('stroke', color);
					if (color != 'none' && svgCanvas.getStrokeOpacity() != 1) {
						svgCanvas.setPaintOpacity('stroke', 1.0);
					}
				} else {
					svgCanvas.setColor('fill', color);
					if (color != 'none' && svgCanvas.getFillOpacity() != 1) {
						svgCanvas.setPaintOpacity('fill', 1.0);
					}
				}
				updateToolButtonState();
			}).bind('contextmenu', function(e) {e.preventDefault()});
		
			$("#toggle_stroke_tools").toggle(function() {
				$(".stroke_tool").css('display','table-cell');
				$(this).addClass('expanded');
				resetScrollPos();
			}, function() {
				$(".stroke_tool").css('display','none');
				$(this).removeClass('expanded');
				resetScrollPos();
			});
		
			// This is a common function used when a tool has been clicked (chosen)
			// It does several common things:
			// - removes the tool_button_current class from whatever tool currently has it
			// - hides any flyouts
			// - adds the tool_button_current class to the button passed in
			var toolButtonClick = function(button, noHiding) {
				if ($(button).hasClass('disabled')) return false;
				if($(button).parent().hasClass('tools_flyout')) return true;
				var fadeFlyouts = fadeFlyouts || 'normal';
				if(!noHiding) {
					$('.tools_flyout').fadeOut(fadeFlyouts);
				}
				$('#styleoverrides').text('');
				$('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
				$(button).addClass('tool_button_current').removeClass('tool_button');
				return true;
			};
			
			(function() {
				var last_x = null, last_y = null, w_area = workarea[0], 
					panning = false, keypan = false;
				
				$('#svgcanvas').bind('mousemove mouseup touchend', function(evt) {
					if(panning === false) return;
					w_area.scrollLeft -= (evt.clientX - last_x);
					w_area.scrollTop -= (evt.clientY - last_y);
					
					last_x = evt.clientX;
					last_y = evt.clientY;
					
					if(evt.type === 'mouseup' || evt.type === 'touchend') panning = false;
					return false;
				})
				.on("mousedown touchmove", function(evt) {
					if(evt.button === 1 || keypan === true || (evt.originalEvent.touches && evt.originalEvent.touches.length >= 2)) {
						panning = true;
						last_x = evt.clientX;
						last_y = evt.clientY;
						return false;
					}
				});
				
				$(window).mouseup(function() {
					panning = false;
					$('body').removeClass('dragging')
				});
				
				$(document).bind('keydown', 'space', function(evt) {
					evt.preventDefault();
					svgCanvas.spaceKey = keypan = true;
					
				}).bind('keyup', 'space', function(evt) {
					evt.preventDefault();
					svgCanvas.spaceKey = keypan = false;
				}).bind('keydown', 'alt', function(evt) {
					if(svgCanvas.getMode() === 'zoom') {
						workarea.addClass('out');
					}
				}).bind('keyup', 'alt', function(evt) {
					if(svgCanvas.getMode() === 'zoom') {
						workarea.removeClass('out');
					}
				})
			}());
			
			
			function setStrokeOpt(opt, changeElem) {
				var id = opt.id;
				var bits = id.split('_');
				var pre = bits[0];
				var val = bits[1];
			
				if(changeElem) {
					svgCanvas.setStrokeAttr('stroke-' + pre, val);
				}
				operaRepaint();
				setIcon('#cur_' + pre , id, 20);
				$(opt).addClass('current').siblings().removeClass('current');
			}
			
      //menu handling
      var menus = $('.menu');
      var blinker = function(e) {
        e.target.style.background = "#fff";
        setTimeout(function(){e.target.style.background = "#ddd";}, 50);
        setTimeout(function(){e.target.style.background = "#fff";}, 150);
        setTimeout(function(){e.target.style.background = "#ddd";}, 200);
        setTimeout(function(){e.target.style.background = "";}, 200);
        setTimeout(function(){$('#menu_bar').removeClass('active')}, 220);
        return false;
      }
      var closer = function(e){
        //Method of Action specific to detect when the iframe has focus
        if((top != self && !e.isTrigger) && typeof top.exports.focus_editor == 'function') top.exports.focus_editor();

        if (e.target.nodeName.toLowerCase() === "input") return false;
        if (!$(e.target).hasClass("menu_title") && !$(e.target).parent().hasClass("menu_title")) {
          if(!$(e.target).hasClass("disabled") && $(e.target).hasClass("menu_item")) blinker(e)
          else $('#menu_bar').removeClass('active')

        }  
      }
      

      
      $('.menu_item').on('mousedown touchstart', function(e){blinker(e)});
      $("svg, body").on('mousedown  touchstart', function(e){closer(e)});
      var accumulatedDelta = 0
      var zoomSteps = [6, 12, 16, 33, 50, 66, 100, 150, 200, 300, 400, 600, 800, 1200]
      $('#workarea').on('mousewheel', function(e, delta, deltaX, deltaY){
        if (e.altKey) {
          e.preventDefault();
          var currentZoom = svgCanvas.getZoom()*100;
          var arr_length = zoomSteps.length;
          for (i=0; i<arr_length; i++) {
            var max = Math.min(arr_length, i+1);
            if (deltaY > 0) zoom = (zoomSteps[i] <= currentZoom) ? zoomSteps[max] : zoom;
            if (deltaY < 0) zoom = (zoomSteps[i] < currentZoom) ? zoomSteps[i] : zoom;
          }
          if (zoom) changeZoom({value: zoom});
        }
      })
			$('.menu_title')
			  .on('mousedown', function() {
			    $("#tools_shapelib").hide()
			    $("#menu_bar").toggleClass('active');
			    menus.removeClass('open');
          $(this).parent().addClass('open');
			  })
        .on('mouseover', function() {
           menus.removeClass('open');
           $(this).parent().addClass('open');
         });
			
			// Made public for UI customization.
			// TODO: Group UI functions into a public svgEditor.ui interface.
			Editor.addDropDown = function(elem, callback, dropUp) {
				if ($(elem).length == 0) return; // Quit if called on non-existant element
				var button = $(elem).find('button');
				
				var list = $(elem).find('ul').attr('id', $(elem)[0].id + '-list');
				
				if(!dropUp) {
					// Move list to place where it can overflow container
					$('#option_lists').append(list);
				}
				
				var on_button = false;
				if(dropUp) {
					$(elem).addClass('dropup');
				}
			
				list.find('li').bind('mouseup', callback);
				
				$(window).mouseup(function(evt) {
					if(!on_button) {
						button.removeClass('down');
						list.hide();
					}
					on_button = false;
				});
				
				button.bind('mousedown',function() {
					if (!button.hasClass('down')) {
						button.addClass('down');
						
						if(!dropUp) {
							var pos = $(elem).offset();
							// position slider
							list.css({
								top: pos.top,
								left: pos.left - 110
							});
						}
						list.show();
						
						on_button = true;
					} else {
						button.removeClass('down');
						list.hide();
					}
				}).hover(function() {
					on_button = true;
				}).mouseout(function() {
					on_button = false;
				});
			}
			
			// TODO: Combine this with addDropDown or find other way to optimize
			var addAltDropDown = function(elem, list, callback, opts) {
				var button = $(elem);
				var list = $(list);
				var on_button = false;
				var dropUp = opts.dropUp;
				if(dropUp) {
					$(elem).addClass('dropup');
				}
				list.find('li').bind('mouseup', function() {
					if(opts.seticon) {
						setIcon('#cur_' + button[0].id , $(this).children());
						$(this).addClass('current').siblings().removeClass('current');
					}
					callback.apply(this, arguments);

				});
				
				$(window).mouseup(function(evt) {
					if(!on_button) {
						button.removeClass('down');
						list.hide();
						list.css({top:0, left:0});
					}
					on_button = false;
				});
				
				var height = list.height();
				$(elem).bind('mousedown',function() {
					var off = $(elem).offset();
					if(dropUp) {
						off.top -= list.height();
						off.left += 8;
					} else {
						off.top += $(elem).height();
					}
					$(list).offset(off);
					
					if (!button.hasClass('down')) {
						button.addClass('down');
						list.show();
						on_button = true;
						return false;
					} else {
						button.removeClass('down');
						// CSS position must be reset for Webkit
						list.hide();
						list.css({top:0, left:0});
					}
				}).hover(function() {
					on_button = true;
				}).mouseout(function() {
					on_button = false;
				});
				
				if(opts.multiclick) {
					list.mousedown(function() {
						on_button = true;
					});
				}
			}
			
			$('#font_family_dropdown').change(function() {
				var fam = this.options[this.selectedIndex].value
				var fam_display = this.options[this.selectedIndex].text
				$('#preview_font').html(fam_display).css("font-family", fam);
				$('#font_family').val(fam).change();
			});
			
			$('div', '#position_opts').each(function(){
			  this.addEventListener("mouseup", function(){
				  var letter = this.id.replace('tool_pos','').charAt(0);
				  svgCanvas.alignSelectedElements(letter, 'page');
				})
			});
			
			/*
			
			When a flyout icon is selected
				(if flyout) {
				- Change the icon
				- Make pressing the button run its stuff
				}
				- Run its stuff
			
			When its shortcut key is pressed
				- If not current in list, do as above
				, else:
				- Just run its stuff
			
			*/
			
			// Unfocus text input when workarea is mousedowned.
			(function() {
				var inp;
				var unfocus = function() {
					$(inp).blur();
				}
				
				$('#svg_editor').find('button, select, input:not(#text)').focus(function() {
					inp = this;
					ui_context = 'toolbars';
					workarea.mousedown(unfocus);
				}).blur(function() {
					ui_context = 'canvas';
					workarea.unbind('mousedown', unfocus);
					// Go back to selecting text if in textedit mode
					if(svgCanvas.getMode() == 'textedit') {
						$('#text').focus();
					}
				});
				
			}());

			var clickSelect = function() {
				if (toolButtonClick('#tool_select')) {
					svgCanvas.setMode('select');
				}
			};
		
			var clickFHPath = function() {
				if (toolButtonClick('#tool_fhpath')) {
					svgCanvas.setMode('fhpath');
				}
			};
		
			var clickLine = function() {
				if (toolButtonClick('#tool_line')) {
					svgCanvas.setMode('line');
				}
			};
		
			var clickSquare = function(){
				if (toolButtonClick('#tool_square')) {
					svgCanvas.setMode('square');
				}
			};
			
			var clickRect = function(){
				if (toolButtonClick('#tool_rect')) {
					svgCanvas.setMode('rect');
				}
			};
			
			var clickFHRect = function(){
				if (toolButtonClick('#tool_fhrect')) {
					svgCanvas.setMode('fhrect');
				}
			};
			
			var clickCircle = function(){
				if (toolButtonClick('#tool_circle')) {
					svgCanvas.setMode('circle');
				}
			};
		
			var clickEllipse = function(){
				if (toolButtonClick('#tool_ellipse')) {
					svgCanvas.setMode('ellipse');
				}
			};
		
			var clickFHEllipse = function(){
				if (toolButtonClick('#tool_fhellipse')) {
					svgCanvas.setMode('fhellipse');
				}
			};
			
			var clickImage = function(){
				if (toolButtonClick('#tool_image')) {
					svgCanvas.setMode('image');
				}
			};
		
			var clickZoom = function(){
				if (toolButtonClick('#tool_zoom')) {
					svgCanvas.setMode('zoom');
				}
			};
		
			var dblclickZoom = function(){
				if (toolButtonClick('#tool_zoom')) {
					zoomImage();
					setSelectMode();
				}
			};
		
			var clickText = function(){
				if (toolButtonClick('#tool_text')) {
					svgCanvas.setMode('text');
				}
			};
			
			var clickPath = function(){
				if (toolButtonClick('#tool_path')) {
					svgCanvas.setMode('path');
				}
			};
			
			// Delete is a contextual tool that only appears in the ribbon if
			// an element has been selected
			var deleteSelected = function() {
				if (selectedElement != null || multiselected) {
					svgCanvas.deleteSelectedElements();
				}
			};
		
			var cutSelected = function() {
				if (selectedElement != null || multiselected) {
					if (window.event.type === "keydown") flash($('#edit_menu'));
					svgCanvas.cutSelectedElements();
				}
			};
			
			var copySelected = function() {
				if (selectedElement != null || multiselected) {
				  if (window.event.type === "keydown") flash($('#edit_menu'));
					svgCanvas.copySelectedElements();
				}
			};
			
			var pasteSelected = function() {
			  if (window.event.type === "keydown") flash($('#edit_menu'));
				var zoom = svgCanvas.getZoom();				
				var x = (workarea[0].scrollLeft + workarea.width()/2)/zoom  - svgCanvas.contentW; 
				var y = (workarea[0].scrollTop + workarea.height()/2)/zoom  - svgCanvas.contentH;
				svgCanvas.pasteElements('point', x, y); 
			}
			
			var moveToTopSelected = function() {
				if (selectedElement != null) {
				  if (window.event.type === "keydown") flash($('#object_menu'));
					svgCanvas.moveToTopSelectedElement();
				}
			};
			
			var moveToBottomSelected = function() {
				if (selectedElement != null) {
				  if (window.event.type === "keydown") flash($('#object_menu'));
					svgCanvas.moveToBottomSelectedElement();
				}
			};
			
			var moveUpSelected = function() {
				if (selectedElement != null) {
			  if (window.event.type === "keydown") flash($('#object_menu'));
					svgCanvas.moveUpDownSelected("Up");
				}
			};

			var moveDownSelected = function() {
				if (selectedElement != null) {
				  if (window.event.type === "keydown") flash($('#object_menu'));
					svgCanvas.moveUpDownSelected("Down");
				}
			};
			
			var moveUpDownSelected = function(dir) {
				if (selectedElement != null) {
				  if (window.event.type === "keydown") flash($('#object_menu'));
					svgCanvas.moveUpDownSelected(dir);
				}
			};

			var convertToPath = function() {
				if (selectedElement != null) {
					svgCanvas.convertToPath();
					elems = svgCanvas.getSelectedElems()
					//svgCanvas.selectorManager.requestSelector(elems[0]).reset(elems[0])
					svgCanvas.selectorManager.requestSelector(elems[0]).selectorRect.setAttribute("display", "none");
					svgCanvas.setMode("pathedit")
					path.toEditMode(elems[0]);
					svgCanvas.clearSelection();
				}
			}
			
			var reorientPath = function() {
				if (selectedElement != null) {
					path.reorient();
				}
			}
		
			var makeHyperlink = function() {
				if (selectedElement != null || multiselected) {
					$.prompt(uiStrings.notification.enterNewLinkURL, "http://", function(url) {
						if(url) svgCanvas.makeHyperlink(url);
					});
				}
			}
		
			var moveSelected = function(dx,dy) {
				if (selectedElement != null || multiselected) {
					if(curConfig.gridSnapping) {
						// Use grid snap value regardless of zoom level
						var multi = svgCanvas.getZoom() * curConfig.snappingStep;
						dx *= multi;
						dy *= multi;
					}
					$('input').blur()
					svgCanvas.moveSelectedElements(dx,dy);
				}
			};
		
			var linkControlPoints = function() {
				var linked = !$('#tool_node_link').hasClass('checked');
				if (linked)
					$('#tool_node_link').addClass('checked').find("input").attr("checked", true);
				else
					$('#tool_node_link').removeClass('checked').find("input").attr("checked", false);
					
				path.linkControlPoints(linked);
			}
		
			var clonePathNode = function() {
				if (path.getNodePoint()) {
					path.clonePathNode();
				}
			};
			
			var deletePathNode = function() {
				if (path.getNodePoint()) {
					path.deletePathNode();
				}
			};
		
			var addSubPath = function() {
				var button = $('#tool_add_subpath');
				var sp = !button.hasClass('push_button_pressed');
				if (sp) {
					button.addClass('push_button_pressed').removeClass('tool_button');
				} else {
					button.removeClass('push_button_pressed').addClass('tool_button');
				}
				
				path.addSubPath(sp);
				
			};
		
			var opencloseSubPath = function() {
				path.opencloseSubPath();
			}	
			
			var selectNext = function() {
				svgCanvas.cycleElement(1);
			};
			
			var selectPrev = function() {
				svgCanvas.cycleElement(0);
			};
			
			var rotateSelected = function(cw,step) {
				if (selectedElement == null || multiselected) return;
				if(!cw) step *= -1;
				var new_angle = $('#angle').val()*1 + step;
				svgCanvas.setRotationAngle(new_angle);
				updateContextPanel();
			};
			
			var clickClear = function(){
				var dims = curConfig.dimensions;
				$.confirm(uiStrings.notification.QwantToClear, function(ok) {
					if(!ok) return;
					setSelectMode();
					svgCanvas.clear();
					svgCanvas.setResolution(dims[0], dims[1]);
					updateCanvas(true);
					zoomImage();
					updateContextPanel();
					prepPaints();
					svgCanvas.runExtensions('onNewDocument');
				});
			};
			
			var clickBold = function(){
				svgCanvas.setBold( !svgCanvas.getBold() );
				updateContextPanel();
				return false;
			};
			
			var clickItalic = function(){
				svgCanvas.setItalic( !svgCanvas.getItalic() );
				updateContextPanel();
				return false;
			};
			
			var clickExport = function() {
				// Open placeholder window (prevents popup)
				if(!customHandlers.pngsave)  {
					var str = uiStrings.notification.loadingImage;
					exportWindow = window.open("data:text/html;charset=utf-8,<title>" + str + "<\/title><h1>" + str + "<\/h1>");
				}

				if(window.canvg) {
					svgCanvas.rasterExport();
				} else {
					$.getScript('canvg/rgbcolor.js', function() {
						$.getScript('canvg/canvg.js', function() {
							svgCanvas.rasterExport();
						});
					});
				}
			}
			
			// by default, svgCanvas.open() is a no-op.
			// it is up to an extension mechanism (opera widget, etc) 
			// to call setCustomHandlers() which will make it do something
			var clickOpen = function(){
				svgCanvas.open();
			};
			var clickImport = function(){
			};
			
		  var flash = function($menu){
		    var menu_title = $menu.prev();
		    menu_title.css("background", "#09f");
		    setTimeout(function(){menu_title.css("background", "")}, 200);
		  }
		  
			var clickUndo = function(){
				if (undoMgr.getUndoStackSize() > 0) {
				  if (window.event.type === "keydown") flash($('#edit_menu'));
					undoMgr.undo();
				}
			};
		
			var clickRedo = function(){
				if (undoMgr.getRedoStackSize() > 0) {
				  if (window.event.type === "keydown") flash($('#edit_menu'));
					undoMgr.redo();
				}
			};
			
			var clickGroup = function(){
				// group
				if (multiselected) {
					svgCanvas.groupSelectedElements();
				}
				// ungroup
				else if(selectedElement){
					svgCanvas.ungroupSelectedElement();
				}
			};
			
			var clickClone = function(){
			  if (window.event.type === "keydown") flash($('#edit_menu'));
				svgCanvas.cloneSelectedElements(20,20);
			};
			
			var clickAlign = function() {
				var letter = this.id.replace('tool_align','').charAt(0);
				svgCanvas.alignSelectedElements(letter, $('#align_relative_to').val());
			};
			
			var clickSwitch = function() {
				var stroke_rect = document.querySelector('#tool_stroke rect');
				var fill_rect = document.querySelector('#tool_fill rect');
				var fill_color = fill_rect.getAttribute("fill");
				var stroke_color = stroke_rect.getAttribute("fill");
				var stroke_opacity = parseFloat(stroke_rect.getAttribute("stroke-opacity"));
				if (isNaN(stroke_opacity)) {stroke_opacity = 100;}
				var fill_opacity = parseFloat(fill_rect.getAttribute("fill-opacity"));
				if (isNaN(fill_opacity)) {fill_opacity = 100;}
				var stroke = getPaint(stroke_color, stroke_opacity, "stroke");
				var fill = getPaint(fill_color, fill_opacity, "fill");
				Editor.paintBox.fill.setPaint(stroke, true);
				Editor.paintBox.stroke.setPaint(fill, true);
				
			};
			
			var zoomImage = function(multiplier) {
				var res = svgCanvas.getResolution();
				multiplier = multiplier?res.zoom * multiplier:1;
		// 		setResolution(res.w * multiplier, res.h * multiplier, true);
				$('#zoom').val(multiplier * 100);
				svgCanvas.setZoom(multiplier);
				zoomDone();
				updateCanvas(true);
			};
			
			var zoomDone = function() {
		// 		updateBgImage();
				updateWireFrame();
				//updateCanvas(); // necessary?
			}
		
			var clickWireframe = function() {
				var wf = !$('#tool_wireframe').hasClass('push_button_pressed');
				if (wf) 
					$('#tool_wireframe').addClass('push_button_pressed');
				else
					$('#tool_wireframe').removeClass('push_button_pressed');
				workarea.toggleClass('wireframe');
				
				if(supportsNonSS) return;
				var wf_rules = $('#wireframe_rules');
				if(!wf_rules.length) {
					wf_rules = $('<style id="wireframe_rules"><\/style>').appendTo('head');
				} else {
					wf_rules.empty();
				}
				
				updateWireFrame();
			}
			
			var clickSnapGrid = function() {
				var sg = !$('#tool_snap').hasClass('push_button_pressed');
				if (sg) 
					$('#tool_snap').addClass('push_button_pressed');
				else
					$('#tool_snap').removeClass('push_button_pressed');		
				curConfig.gridSnapping = sg;
			}
			
			var minimizeModal = function() {
        
			  if (window.self != window.top) { //we're in an iframe
		      top.exports.setEditorFocus(false);
		    }
			}
			
			var clickRulers = function() {
				var rulers = !$('#tool_rulers').hasClass('push_button_pressed');
				if (rulers) {
					$('#tool_rulers').addClass('push_button_pressed');
					$('#show_rulers').attr("checked", true);
					curConfig.showRulers = true;
				}
				else {
					$('#tool_rulers').removeClass('push_button_pressed');
					$('#show_rulers').attr("checked", false);
					curConfig.showRulers = false;
				}
				$('#rulers').toggle(!!curConfig.showRulers)
			}
			
			var updateWireFrame = function() {
				// Test support
				if(supportsNonSS) return;
		
				var rule = "#workarea.wireframe #svgcontent * { stroke-width: " + 1/svgCanvas.getZoom() + "px; }";
				$('#wireframe_rules').text(workarea.hasClass('wireframe') ? rule : "");
			}
		
			var showSourceEditor = function(e, forSaving){
				if (editingsource) return;
				editingsource = true;
				
				$('#save_output_btns').toggle(!!forSaving);
				$('#tool_source_back').toggle(!forSaving);
				
				var str = orig_source = svgCanvas.getSvgString();
				$('#svg_source_textarea').val(str);
				$('#svg_source_editor').fadeIn();
				properlySourceSizeTextArea();
				$('#svg_source_textarea').focus();
			};
						
			var properlySourceSizeTextArea = function(){
				// TODO: remove magic numbers here and get values from CSS
				var height = $('#svg_source_container').height() - 50;
				$('#svg_source_textarea').css('height', height);
			};
			
			var clickSave = function(){
				// In the future, more options can be provided here
				var saveOpts = {
					'images': curPrefs.img_save,
					'round_digits': 6
				}
				svgCanvas.save(saveOpts);
			};
			
			var saveSourceEditor = function(){
				if (!editingsource) return;
		
				var saveChanges = function() {
					svgCanvas.clearSelection();
					hideSourceEditor();
					zoomImage();
					prepPaints();
				}
		
				if (!svgCanvas.setSvgString($('#svg_source_textarea').val())) {
					$.confirm(uiStrings.notification.QerrorsRevertToSource, function(ok) {
						if(!ok) return false;
						saveChanges();
					});
				} else {
					saveChanges();
				}
				setSelectMode();		
			};
			
			function setBackground(color, url) {
// 				if(color == curPrefs.bkgd_color && url == curPrefs.bkgd_url) return;
				$.pref('bkgd_color', color);
				$.pref('bkgd_url', url);
				
				// This should be done in svgcanvas.js for the borderRect fill
				svgCanvas.setBackground(color, url);
			}
			
			var setIcon = Editor.setIcon = function(elem, icon_id, forcedSize) {
				var icon = (typeof icon_id === 'string') ? $.getSvgIcon(icon_id, true) : icon_id.clone();
				if(!icon) {
					console.log('NOTE: Icon image missing: ' + icon_id);
					return;
				}

				$(elem).find("img").replaceWith(icon);
			}
		
			var ua_prefix;
			(ua_prefix = function() {
				var regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;
				var someScript = document.getElementsByTagName('script')[0];
				for(var prop in someScript.style) {
					if(regex.test(prop)) {
						// test is faster than match, so it's better to perform
						// that on the lot and match only when necessary
						return prop.match(regex)[0];
					}
				}
			
				// Nothing found so far?
				if('WebkitOpacity' in someScript.style) return 'Webkit';
				if('KhtmlOpacity' in someScript.style) return 'Khtml';
				
				return '';
			}());
			
			var scaleElements = function(elems, scale) {
				var prefix = '-' + ua_prefix.toLowerCase() + '-';
				
				var sides = ['top', 'left', 'bottom', 'right'];
			
				elems.each(function() {
// 					console.log('go', scale);

					// Handled in CSS
					// this.style[ua_prefix + 'Transform'] = 'scale(' + scale + ')';
				
					var el = $(this);
					
					var w = el.outerWidth() * (scale - 1);
					var h = el.outerHeight() * (scale - 1);
					var margins = {};
					
					for(var i = 0; i < 4; i++) {
						var s = sides[i];
						
						var cur = el.data('orig_margin-' + s);
						if(cur == null) {
							cur = parseInt(el.css('margin-' + s));
							// Cache the original margin
							el.data('orig_margin-' + s, cur);
						}
						var val = cur * scale;
						if(s === 'right') {
							val += w;
						} else if(s === 'bottom') {
							val += h;
						}
						
						el.css('margin-' + s, val);
// 						el.css('outline', '1px solid red');
					}
				});
			}
			
			var setIconSize = Editor.setIconSize = function(size, force) {
				if(size == curPrefs.size && !force) return;
// 				return;
// 				var elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');
				
				var sel_toscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,\
				#main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,\
				#g_panel > *, #tool_font_size > *, .tools_flyout';
				
				var elems = $(sel_toscale);
				
				var scale = 1;
				
				if(typeof size == 'number') {
					scale = size;
				} else {
					var icon_sizes = { s:.75, m:1, l:1.25, xl:1.5 };
					scale = icon_sizes[size];
				}
				
				Editor.tool_scale = tool_scale = scale;
				
				setFlyoutPositions();				
				var hidden_ps = elems.parents(':hidden');
				hidden_ps.css('visibility', 'hidden').show();
				scaleElements(elems, scale);
				hidden_ps.css('visibility', 'visible').hide();
				
				var rule_elem = $('#tool_size_rules');
				if(!rule_elem.length) {
					rule_elem = $('<style id="tool_size_rules"><\/style>').appendTo('head');
				} else {
					rule_elem.empty();
				}
				
				if(size != 'm') {
					var style_str = '';
					$.each(cssResizeRules, function(selector, rules) {
						selector = '#svg_editor ' + selector.replace(/,/g,', #svg_editor');
						style_str += selector + '{';
						$.each(rules, function(prop, values) {
							if(typeof values === 'number') {
								var val = (values * scale) + 'px';
							} else if(values[size] || values.all) {
								var val = (values[size] || values.all);
							}
							style_str += (prop + ':' + val + ';');
						});
						style_str += '}';
					});
					//this.style[ua_prefix + 'Transform'] = 'scale(' + scale + ')';
					var prefix = '-' + ua_prefix.toLowerCase() + '-';
					style_str += (sel_toscale + '{' + prefix + 'transform: scale(' + scale + ');}'
					+ ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' // Hack for markers
					+ ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + (1/scale) + ');}' // Hack for sliders
					);
					rule_elem.text(style_str);
				}
				
				setFlyoutPositions();
			}
		
			var cancelOverlays = function() {
				$('#dialog_box').hide();
				if (!editingsource && !docprops && !preferences) {
					if(cur_context) {
						svgCanvas.leaveContext();
					}
					return;
				};
		
				if (editingsource) {
					if (orig_source !== $('#svg_source_textarea').val()) {
						$.confirm(uiStrings.notification.QignoreSourceChanges, function(ok) {
							if(ok) hideSourceEditor();
						});
					} else {
						hideSourceEditor();
					}
				}
				else if (docprops) {
					hideDocProperties();
				} else if (preferences) {
					hidePreferences();
				}
				resetScrollPos();
			};
		
			var hideSourceEditor = function(){
				$('#svg_source_editor').hide();
				editingsource = false;
				$('#svg_source_textarea').blur();
			};

			var win_wh = {width:$(window).width(), height:$(window).height()};
			
			var resetScrollPos = $.noop, curScrollPos;
			
			/* Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
			if(svgedit.browser.isIE()) {
				(function() {
					resetScrollPos = function() {
						if(workarea[0].scrollLeft === 0 
						&& workarea[0].scrollTop === 0) {
							workarea[0].scrollLeft = curScrollPos.left;
							workarea[0].scrollTop = curScrollPos.top;
						}
					}
				
					curScrollPos = {
						left: workarea[0].scrollLeft,
						top: workarea[0].scrollTop
					};
					
					$(window).resize(resetScrollPos);
					svgEditor.ready(function() {
						// TODO: Find better way to detect when to do this to minimize
						// flickering effect
						setTimeout(function() {
							resetScrollPos();
						}, 500);
					});
					
					workarea.scroll(function() {
						curScrollPos = {
							left: workarea[0].scrollLeft,
							top: workarea[0].scrollTop
						};
					});
				}());
			}*/
			
			$(window).resize(function(evt) {
					updateCanvas();
			});
			
			(function() {
				workarea.scroll(function() {
					// TODO:  jQuery's scrollLeft/Top() wouldn't require a null check
					if ($('#ruler_x').length != 0) {
						$('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;
					}
					if ($('#ruler_y').length != 0) {
						$('#ruler_y')[0].scrollTop = workarea[0].scrollTop;	
					}
				});

			}());
			
			$('#url_notice').click(function() {
				$.alert(this.title);
			});
			
			$('#change_image_url').click(promptImgURL);
			
			function promptImgURL() {
				var curhref = svgCanvas.getHref(selectedElement);
				curhref = curhref.indexOf("data:") === 0?"":curhref;
				$.prompt(uiStrings.notification.enterNewImgURL, curhref, function(url) {
					if(url) setImageURL(url);
				});
			}
			
			// TODO: go back to the color boxes having white background-color and then setting
			//       background-image to none.png (otherwise partially transparent gradients look weird)	
			var colorPicker = function(elem) {
				var picker = elem[0].id == 'stroke_color' ? 'stroke' : 'fill';
				var is_background = elem[0].id == "canvas_color"
				if (is_background) picker = 'canvas'
// 				var opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
				var paint = Editor.paintBox[picker].paint;
				
				var title = (picker == 'stroke' ? 'Pick a Stroke Paint and Opacity' : 'Pick a Fill Paint and Opacity');
				var was_none = false;
				var pos = is_background ? {'right': 200, 'top': 50} : {'left': 45, 'bottom': 50}
				
				$("#color_picker")
					.draggable({cancel:'.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker', containment: 'window'})
					.css(pos)
					.jGraduate(
					{ 
						paint: paint,
						window: { pickerTitle: title },
						images: { clientPath: curConfig.jGraduatePath },
						newstop: 'inverse'
					},
					function(p) {
						paint = new $.jGraduate.Paint(p);
						
						Editor.paintBox[picker].setPaint(paint);
						svgCanvas.setPaint(picker, paint);
						
						$('#color_picker').hide();
					},
					function(p) {
						$('#color_picker').hide();
					});
			};
		
			var updateToolButtonState = function() {
			  /*
				var bNoFill = (svgCanvas.getColor('fill') == 'none');
				var bNoStroke = (svgCanvas.getColor('stroke') == 'none');
				var buttonsNeedingStroke = [ '#tool_fhpath', '#tool_line' ];
				var buttonsNeedingFillAndStroke = [ '#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];
				if (bNoStroke) {
					for (var index in buttonsNeedingStroke) {
						var button = buttonsNeedingStroke[index];
						if ($(button).hasClass('tool_button_current')) {
							clickSelect();
						}
						$(button).addClass('disabled');
					}
				}
				else {
					for (var index in buttonsNeedingStroke) {
						var button = buttonsNeedingStroke[index];
						$(button).removeClass('disabled');
					}
				}
		
				if (bNoStroke && bNoFill) {
					for (var index in buttonsNeedingFillAndStroke) {
						var button = buttonsNeedingFillAndStroke[index];
						if ($(button).hasClass('tool_button_current')) {
							clickSelect();
						}
						$(button).addClass('disabled');
					}
				}
				else {
					for (var index in buttonsNeedingFillAndStroke) {
						var button = buttonsNeedingFillAndStroke[index];
						$(button).removeClass('disabled');
					}
				}

				svgCanvas.runExtensions("toolButtonStateUpdate", {
					nofill: bNoFill,
					nostroke: bNoStroke
				});
				
				// Disable flyouts if all inside are disabled
				$('.tools_flyout').each(function() {
					var shower = $('#' + this.id + '_show');
					var has_enabled = false;
					$(this).children().each(function() {
						if(!$(this).hasClass('disabled')) {
							has_enabled = true;
						}
					});
					shower.toggleClass('disabled', !has_enabled);
				});
		
				operaRepaint();
				*/
			};

			var PaintBox = function(container, type) {
			  var background = document.getElementById("canvas_background");
			  var cur = {color: "fff", opacity: 1}
			  if (type == "stroke") cur = curConfig['initStroke'];
			  if (type == "fill") cur = curConfig['initFill'];
			  if (type == "canvas" && background) {
          var rgb = background.getAttribute("fill").match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
          if (rgb) {
            var hex = ("0" + parseInt(rgb[1],10).toString(16)).slice(-2) +
                           ("0" + parseInt(rgb[2],10).toString(16)).slice(-2) +
                           ("0" + parseInt(rgb[3],10).toString(16)).slice(-2);
            cur = {color: hex, opacity: 1}
          }
			  }

				// set up gradients to be used for the buttons
				var svgdocbox = new DOMParser().parseFromString(
					'<svg xmlns="http://www.w3.org/2000/svg"><rect width="100%" height="100%"\
					fill="#' + cur.color + '" opacity="' + cur.opacity + '"/>\
					<defs><linearGradient id="gradbox_"/></defs></svg>', 'text/xml');
				var docElem = svgdocbox.documentElement;
				
				docElem = $(container)[0].appendChild(document.importNode(docElem, true));
        if (type === 'canvas') docElem.setAttribute('width',60.5);
        else docElem.setAttribute('width',"100%");
				
				this.rect = docElem.firstChild;
				this.defs = docElem.getElementsByTagName('defs')[0];
				this.grad = this.defs.firstChild;
				this.paint = new $.jGraduate.Paint({solidColor: cur.color});
				this.type = type;

				this.setPaint = function(paint, apply) {
					this.paint = paint;
					
					var fillAttr = "none";
					var ptype = paint.type;
					var opac = paint.alpha / 100;
					switch ( ptype ) {
						case 'solidColor':
							fillAttr = (paint[ptype] == 'none' || paint[ptype] == 'one') ? 'none' : "#" + paint[ptype];
							break;
						case 'linearGradient':
						case 'radialGradient':
							this.defs.removeChild(this.grad);
							this.grad = this.defs.appendChild(paint[ptype]);
							var id = this.grad.id = 'gradbox_' + this.type;
							fillAttr = "url(#" + id + ')';
					}
					
					this.rect.setAttribute('fill', fillAttr);
					this.rect.setAttribute('opacity', opac);
					
					if(apply) {
						svgCanvas.setColor(this.type, fillAttr, true);
						svgCanvas.setPaintOpacity(this.type, opac, true);
					}
					if (this.type == "canvas") {
					  //recache background in case it changed
					  var background = document.getElementById("canvas_background");
					  if (background) background.setAttribute('fill', fillAttr)
					  else createBackground(fillAttr)
					}
					
				}
				
				this.update = function(apply) {
					if(!selectedElement) return;
					var type = this.type;
					switch ( selectedElement.tagName ) {
					case 'use':
					case 'image':
					case 'foreignObject':
						// These elements don't have fill or stroke, so don't change 
						// the current value
						return;
					case 'g':
					case 'a':
						var gPaint = null;
					
						var childs = selectedElement.getElementsByTagName('*');
						for(var i = 0, len = childs.length; i < len; i++) {
							var elem = childs[i];
							var p = elem.getAttribute(type);
							if(i === 0) {
								gPaint = p;
							} else if(gPaint !== p) {
								gPaint = null;
								break;
							}
						}
						if(gPaint === null) {
							// No common color, don't update anything
							var paintColor = null;
							return;
						}
						var paintColor = gPaint;
						
						var paintOpacity = 1;
						break;
					default:
						var paintOpacity = parseFloat(selectedElement.getAttribute(type + "-opacity"));
						if (isNaN(paintOpacity)) {
							paintOpacity = 1.0;
						}
						
						var defColor = type === "fill" ? "black" : "none";
						var paintColor = selectedElement.getAttribute(type) || defColor;
					}

					if(apply) {
						svgCanvas.setColor(type, paintColor, true);
						svgCanvas.setPaintOpacity(type, paintOpacity, true);
					}

					paintOpacity *= 100;					
					
					var paint = getPaint(paintColor, paintOpacity, type);
					// update the rect inside #fill_color/#stroke_color
					this.setPaint(paint);
				}
				
				this.prep = function() {
					var ptype = this.paint.type;
				
					switch ( ptype ) {
						case 'linearGradient':
						case 'radialGradient':
							var paint = new $.jGraduate.Paint({copy: this.paint});
							svgCanvas.setPaint(type, paint);
					}
				}
			};
			
			Editor.paintBox.fill = new PaintBox('#fill_color', 'fill');
			Editor.paintBox.stroke = new PaintBox('#stroke_color', 'stroke');
			Editor.paintBox.canvas = new PaintBox('#canvas_color', 'canvas');

			$('#stroke_width').val(curConfig.initStroke.width);
			$('#group_opacity').val(curConfig.initOpacity * 100);
			
			// Use this SVG elem to test vectorEffect support
			var test_el = Editor.paintBox.fill.rect.cloneNode(false);
			test_el.setAttribute('style','vector-effect:non-scaling-stroke');
			var supportsNonSS = (test_el.style.vectorEffect === 'non-scaling-stroke');
			test_el.removeAttribute('style');
			var svgdocbox = Editor.paintBox.fill.rect.ownerDocument;
			// Use this to test support for blur element. Seems to work to test support in Webkit
			var blur_test = svgdocbox.createElementNS('http://www.w3.org/2000/svg', 'feGaussianBlur');
			if(typeof blur_test.stdDeviationX === "undefined") {
				$('#tool_blur').hide();
			}
			$(blur_test).remove();

			
			
			// Test for embedImage support (use timeout to not interfere with page load)
			setTimeout(function() {
				svgCanvas.embedImage('images/placeholder.svg', function(datauri) {
					if(!datauri) {
						// Disable option
						$('#image_save_opts [value=embed]').attr('disabled','disabled');
						$('#image_save_opts input').val(['ref']);
						curPrefs.img_save = 'ref';
						$('#image_opt_embed').css('color','#666').attr('title',uiStrings.notification.featNotSupported);
					}
				});
			},1000);
				
			$('#tool_fill').click(function(){
			  if ($('#tool_fill').hasClass('active')) {
				  colorPicker($('#fill_color'));
				  updateToolButtonState();
				}
				else {
				  $('#tool_fill').addClass('active');
				  $("#tool_stroke").removeClass('active');
				}
			});
			
			$('#tool_stroke').on("click", function(){
			  if ($('#tool_stroke').hasClass('active')) {
				  colorPicker($('#stroke_color'));
				  updateToolButtonState();
				}
				else {
				  $('#tool_stroke').addClass('active');
				  $("#tool_fill").removeClass('active');
				}
			});
			
			$('#tool_canvas').on("click touchstart", function(){
				  colorPicker($('#canvas_color'));
				  updateToolButtonState();
			});
			
			$('#tool_stroke').on("touchstart", function(){
			    $('#tool_stroke').addClass('active');
				  $("#tool_fill").removeClass('active');
				  colorPicker($('#stroke_color'));
				  updateToolButtonState();
			});

      $('#tool_fill').on("touchstart", function(){
			    $('#tool_fill').addClass('active');
				  $("#tool_stroke").removeClass('active');
				  colorPicker($('#fill_color'));
				  updateToolButtonState();
			});
			
			$('#zoom_select').on("change", function() {
				var val = this.options[this.selectedIndex].text
        val = val.split("%")[0]
				$("#zoom").val(val).trigger("change")
			});
		
			$('.push_button').mousedown(function() { 
				if (!$(this).hasClass('disabled')) {
					$(this).addClass('push_button_pressed').removeClass('push_button');
				}
			}).mouseout(function() {
				$(this).removeClass('push_button_pressed').addClass('push_button');
			}).mouseup(function() {
				$(this).removeClass('push_button_pressed').addClass('push_button');
			});
			
		
		// 	function changeResolution(x,y) {
		// 		var zoom = svgCanvas.getResolution().zoom;
		// 		setResolution(x * zoom, y * zoom);
		// 	}
			
			var centerCanvas = function() {
				// this centers the canvas vertically in the workarea (horizontal handled in CSS)
				workarea.css('line-height', workarea.height() + 'px');
			};
			
			$(window).bind('load resize', centerCanvas);
		
			function stepFontSize(elem, step) {
				var orig_val = elem.value-0;
				var sug_val = orig_val + step;
				var increasing = sug_val >= orig_val;
				if(step === 0) return orig_val;
				
				if(orig_val >= 24) {
					if(increasing) {
						return Math.round(orig_val * 1.1);
					} else {
						return Math.round(orig_val / 1.1);
					}
				} else if(orig_val <= 1) {
					if(increasing) {
						return orig_val * 2;			
					} else {
						return orig_val / 2;
					}
				} else {
					return sug_val;
				}
			}
			
			function stepZoom(elem, step) {
				var orig_val = elem.value-0;
				if(orig_val === 0) return 100;
				var sug_val = orig_val + step;
				if(step === 0) return orig_val;
				
				if(orig_val >= 100) {
					return sug_val;
				} else {
					if(sug_val >= orig_val) {
						return orig_val * 2;
					} else {
						return orig_val / 2;
					}
				}
			}
				
		var changeCanvasSize = function(ctl){
		  var width = $("#canvas_width");
			var height = $("#canvas_height");
			var w = width.val();
			var h = height.val()
			
			if(w != "fit" && !svgedit.units.isValidUnit('width', w)) {
				$.alert(uiStrings.notification.invalidAttrValGiven);
				width.parent().addClass('error');
				return false;
			}

			width.parent().removeClass('error');

			if(h != "fit" && !svgedit.units.isValidUnit('height', h)) {
				$.alert(uiStrings.notification.invalidAttrValGiven);
				height.parent().addClass('error');
				return false;
			} 
			height.parent().removeClass('error');
			if(!svgCanvas.setResolution(w, h)) {
				$.alert(uiStrings.notification.noContentToFitTo);
				var dims = svgCanvas.getResolution()
				width.val(dims.w)
				height.val(dims.h)
				return false;
			}
			 updateCanvas();
		}
		
		
			$('#resolution').change(function(){
				var w = $('#canvas_width')[0];
				var h = $('#canvas_height')[0];
				if(!this.selectedIndex) {
				  $('#resolution_label').html("Custom");
				  w.removeAttribute("readonly");
				  w.focus();
				  w.select();
					if(w.value == 'fit') {
						w.value = 100
						h.value = 100
					}
				} else if(this.value == 'content') {
					w.value = 'fit'
					h.value = 'fit'
					changeCanvasSize();
					var res = svgCanvas.getResolution()
					w.value = res.w
					h.value = res.h
					
				} else {
					var dims = this.value.split('x');
					dims[0] = parseInt(dims[0]); 
					dims[1] = parseInt(dims[1]);
					var diff_w = dims[0] - w.value;
					var diff_h = dims[1] - h.value;
					//animate
					var start = Date.now();
					var duration = 1000;
					var animateCanvasSize = function(timestamp) {
					  var progress = timestamp - start
					  var tick = progress / duration
            tick = (Math.pow((tick-1), 3) +1);
					  w.value = (dims[0] - diff_w + (tick*diff_w)).toFixed(0);
					  h.value = (dims[1] - diff_h + (tick*diff_h)).toFixed(0);
					  changeCanvasSize();
					  if (tick >= 1) {
					    var res = svgCanvas.getResolution()
					    $('#canvas_width').val(res.w.toFixed())
					    $('#canvas_height').val(res.h.toFixed())
					    $('#resolution_label').html("<div class='pull'>" + res.w + "<span>×</span></br>" + res.h + "</div>");
					  }
					  else {
					    requestAnimationFrame(animateCanvasSize)
					  }
					}
					animateCanvasSize(Date.now())

				}
			});
			
			$('#zoom').change(function(){
			  changeZoom(this)
			})
		
			//Prevent browser from erroneously repopulating fields
			$('input,select').attr("autocomplete","off");
			
			// Associate all button actions as well as non-button keyboard shortcuts
			var Actions = function() {
				// sel:'selector', fn:function, evt:'event', key:[key, preventDefault, NoDisableInInput]
				var tool_buttons = [
					{sel:'#tool_select', fn: clickSelect, evt: 'click', key: ['V', true]},
					{sel:'#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true]},
					{sel:'#tool_line', fn: clickLine, evt: 'click', key: ['L', true]},
					{sel:'#tool_rect', fn: clickRect, evt: 'click', key: ['R', true], icon: 'rect'},
					{sel:'#tool_ellipse', fn: clickEllipse, evt: 'mouseup', key: ['C', true], icon: 'ellipse'},
					//{sel:'#tool_circle', fn: clickCircle, evt: 'mouseup', icon: 'circle'},
					//{sel:'#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup', parent: '#tools_ellipse', icon: 'fh_ellipse'},
					{sel:'#tool_path', fn: clickPath, evt: 'click', key: ['P', true]},
					{sel:'#tool_text', fn: clickText, evt: 'click', key: ['T', true]},
					{sel:'#tool_image', fn: clickImage, evt: 'mouseup'},
					{sel:'#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true]},
					{sel:'#tool_clear', fn: clickClear, evt: 'mouseup', key: [modKey + 'N', true]},
					{sel:'#tool_save', fn: function() { editingsource?saveSourceEditor():clickSave()}, evt: 'mouseup', key: [modKey + 'S', true]},
					{sel:'#tool_export', fn: clickExport, evt: 'mouseup'},
					{sel:'#tool_open', fn: clickOpen, evt: 'mouseup'},
					{sel:'#tool_import', fn: clickImport, evt: 'mouseup'},
					{sel:'#tool_source', fn: showSourceEditor, evt: 'click', key: [modKey + 'U', true]},
					{sel:'#tool_wireframe', fn: clickWireframe, evt: 'click'},
					{sel:'#tool_snap', fn: clickSnapGrid, evt: 'click'},
					{sel:'#tool_rulers', fn: clickRulers, evt: 'click'},
					{sel:'#tool_source_cancel,#svg_source_overlay,#tool_docprops_cancel,#tool_prefs_cancel', fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true},
					{sel:'#tool_source_save', fn: saveSourceEditor, evt: 'click'},
					{sel:'#tool_delete,#tool_delete_multi', fn: deleteSelected, evt: 'click', key: ['del/backspace', true]},
					{sel:'#tool_reorient', fn: reorientPath, evt: 'click'},
					{sel:'#tool_node_link', fn: linkControlPoints, evt: 'click'},
					{sel:'#tool_node_clone', fn: clonePathNode, evt: 'click'},
					{sel:'#tool_node_delete', fn: deletePathNode, evt: 'click'},
					{sel:'#tool_openclose_path', fn: opencloseSubPath, evt: 'click'},
					{sel:'#tool_add_subpath', fn: addSubPath, evt: 'click'},
					{sel:'#tool_move_top', fn: moveToTopSelected, evt: 'click', key: modKey + 'shift+up'},
					{sel:'#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: modKey + 'shift+down'},
					{sel:'#tool_move_up', fn: moveUpSelected, evt:'click', key: [modKey+'up', true]},
					{sel:'#tool_move_down', fn: moveDownSelected, evt:'click', key: [modKey+'down', true]},
					{sel:'#tool_topath', fn: convertToPath, evt: 'click'},
					{sel:'#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click'},
					{sel:'#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: [modKey + 'D', true]},
					{sel:'#tool_group', fn: clickGroup, evt: 'click', key: [modKey + 'G', true]},
					{sel:'#tool_ungroup', fn: clickGroup, evt: 'click', key: modKey + 'shift+G'},
					{sel:'#tool_unlink_use', fn: clickGroup, evt: 'click'},
					{sel:'[id^=tool_align]', fn: clickAlign, evt: 'click'},
					{sel:'#tool_undo', fn: clickUndo, evt: 'click', key: modKey + 'z'},
					{sel:'#tool_redo', fn: clickRedo, evt: 'click', key: ['y', true]},
					{sel:'#tool_cut', fn: cutSelected, evt: 'click', key: [modKey+'x', true]},
					{sel:'#tool_copy', fn: copySelected, evt: 'click', key: modKey+'c'},
					{sel:'#tool_paste', fn: pasteSelected, evt: 'click', key: modKey+'v'},
					{sel:'#tool_switch', fn: clickSwitch, evt: 'click', key: ['x', true]},
					{sel:'#tool_bold', fn: clickBold, evt: 'mousedown', key: [modKey + 'B', true]},
					{sel:'#tool_italic', fn: clickItalic, evt: 'mousedown',  key: [modKey + 'I', true]},
					//{sel:'#sidepanel_handle', fn: toggleSidePanel, key: ['X']},
					{sel:'#copy_save_done', fn: cancelOverlays, evt: 'click'},
					
					// Shortcuts not associated with buttons
					
					{key: 'ctrl+left', fn: function(){rotateSelected(0,1)}},
					{key: 'ctrl+right', fn: function(){rotateSelected(1,1)}},
					{key: 'ctrl+shift+left', fn: function(){rotateSelected(0,5)}},					
					{key: 'ctrl+shift+right', fn: function(){rotateSelected(1,5)}},
					{key: 'shift+O', fn: selectPrev},
					{key: 'shift+P', fn: selectNext},
					{key: [modKey+'+', true], fn: function(){zoomImage(2);}},
					{key: [modKey+'-', true], fn: function(){zoomImage(.5);}},
					{key: ['up', true], fn: function(){moveSelected(0,-1);}},
					{key: ['down', true], fn: function(){moveSelected(0,1);}},
					{key: ['left', true], fn: function(){moveSelected(-1,0);}},
					{key: ['right', true], fn: function(){moveSelected(1,0);}},
					{key: 'shift+up', fn: function(){moveSelected(0,-10)}},
					{key: 'shift+down', fn: function(){moveSelected(0,10)}},
					{key: 'shift+left', fn: function(){moveSelected(-10,0)}},
					{key: 'shift+right', fn: function(){moveSelected(10,0)}},
					{key: ['alt+up', true], fn: function(){svgCanvas.cloneSelectedElements(0,-1)}},
					{key: ['alt+down', true], fn: function(){svgCanvas.cloneSelectedElements(0,1)}},
					{key: ['alt+left', true], fn: function(){svgCanvas.cloneSelectedElements(-1,0)}},
					{key: ['alt+right', true], fn: function(){svgCanvas.cloneSelectedElements(1,0)}},
					{key: ['alt+shift+up', true], fn: function(){svgCanvas.cloneSelectedElements(0,-10)}},
					{key: ['alt+shift+down', true], fn: function(){svgCanvas.cloneSelectedElements(0,10)}},
					{key: ['alt+shift+left', true], fn: function(){svgCanvas.cloneSelectedElements(-10,0)}},
					{key: ['alt+shift+right', true], fn: function(){svgCanvas.cloneSelectedElements(10,0)}},	
					{key: modKey + 'A', fn: function(){svgCanvas.selectAllInCurrentLayer();}},

					// Standard shortcuts
					{key: modKey + 'shift+z', fn: clickRedo},
					{key: 'esc', fn: minimizeModal}
				];
				
				// Tooltips not directly associated with a single function
				var key_assocs = {
					'4/Shift+4': '#tools_rect_show',
					'5/Shift+5': '#tools_ellipse_show'
				};
			
				return {
					setAll: function() {
						var flyouts = {};
						
						$.each(tool_buttons, function(i, opts)  {				
							// Bind function to button
							if(opts.sel) {
								var btn = $(opts.sel);
								if (btn.length == 0) return true; // Skip if markup does not exist
								if(opts.evt) {
								  if (svgedit.browser.isTouch() && opts.evt === "click") opts.evt = "mousedown" 
									btn[opts.evt](opts.fn);
								}
		
								// Add to parent flyout menu, if able to be displayed
								if(opts.parent && $(opts.parent + '_show').length != 0) {
									var f_h = $(opts.parent);
									if(!f_h.length) {
										f_h = makeFlyoutHolder(opts.parent.substr(1));
									}
									
									f_h.append(btn);
									
									if(!$.isArray(flyouts[opts.parent])) {
										flyouts[opts.parent] = [];
									}
									flyouts[opts.parent].push(opts);
								}
							}
							
							
							// Bind function to shortcut key
							if(opts.key) {
								// Set shortcut based on options
								var keyval, shortcut = '', disInInp = true, fn = opts.fn, pd = false;
								if($.isArray(opts.key)) {
									keyval = opts.key[0];
									if(opts.key.length > 1) pd = opts.key[1];
									if(opts.key.length > 2) disInInp = opts.key[2];
								} else {
									keyval = opts.key;
								}
								keyval += '';
								if (svgedit.browser.isMac && keyval.indexOf("+") != -1) {
								  var modifier_key =  keyval.split("+")[0];
								  if (modifier_key == "ctrl") keyval.replace("ctrl", "cmd")
								}
								
								$.each(keyval.split('/'), function(i, key) {
									$(document).bind('keydown', key, function(e) {
										fn();
										if(pd) {
											e.preventDefault();
										}
										// Prevent default on ALL keys?
										return false;
									});
								});
								
								// Put shortcut in title
								if(opts.sel && !opts.hidekey && btn.attr('title')) {
									var new_title = btn.attr('title').split('[')[0] + ' (' + keyval + ')';
									key_assocs[keyval] = opts.sel;
									// Disregard for menu items
									if(!btn.parents('#main_menu').length) {
										btn.attr('title', new_title);
									}
								}
							}
						});
						
						// Setup flyouts
						setupFlyouts(flyouts);
						
						$(window).bind('keydown', 'tab', function(e) {
							if(ui_context === 'canvas') {
								e.preventDefault();
								selectNext();
							}
						}).bind('keydown', 'shift+tab', function(e) {
							if(ui_context === 'canvas') {
								e.preventDefault();
								selectPrev();
							}
						});
						
						$('#tool_zoom').dblclick(dblclickZoom);
					},
					setTitles: function() {
						$.each(key_assocs, function(keyval, sel)  {
							var menu = ($(sel).parents('#main_menu').length);
						
							$(sel).each(function() {
								if(menu) {
									var t = $(this).text().split(' [')[0];
								} else {
									var t = this.title.split(' [')[0];							
								}
								var key_str = '';
								// Shift+Up
								$.each(keyval.split('/'), function(i, key) {
									var mod_bits = key.split('+'), mod = '';
									if(mod_bits.length > 1) {
										mod = mod_bits[0] + '+';
										key = mod_bits[1];
									}
									key_str += (i?'/':'') + mod + (uiStrings['key_'+key] || key);
								});
								if(menu) {
									this.lastChild.textContent = t +' ['+key_str+']';
								} else {
									this.title = t +' ['+key_str+']';
								}
							});
						});
					},
					getButtonData: function(sel) {
						var b;
						$.each(tool_buttons, function(i, btn) {
							if(btn.sel === sel) b = btn;
						});
						return b;
					}
				};
			}();
			
			Actions.setAll();
			
			// Select given tool
			Editor.ready(function() {
				var tool,
					itool = curConfig.initTool,
					container = $("#tools_left, #svg_editor .tools_flyout"),
					pre_tool = container.find("#tool_" + itool),
					reg_tool = container.find("#" + itool);
				if(pre_tool.length) {
					tool = pre_tool;
				} else if(reg_tool.length){
					tool = reg_tool;
				} else {
					tool = $("#tool_select");
				}
				tool.click().mouseup();
				
				if(curConfig.wireframe) {
					$('#tool_wireframe').click();
				}
				
				if(curConfig.showlayers) {
					toggleSidePanel();
				}
				
				$('#rulers').toggle(!!curConfig.showRulers);
			});
		
			
			$('#canvas_height').dragInput({ min: 10,   max: null,  step: 10,  callback: changeCanvasSize,    cursor: false, dragAdjust: .1         }); 
			$('#canvas_width') .dragInput({ min: 10,   max: null,  step: 10,  callback: changeCanvasSize,    cursor: false, dragAdjust: .1         });                         
			$('#rect_width')   .dragInput({ min: 1,    max: null,  step:  1,  callback: changeAttribute,     cursor: false                         }); 
			$('#rect_height')  .dragInput({ min: 0,    max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#ellipse_cx')   .dragInput({ min: 0,    max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#ellipse_cy')   .dragInput({ min: 0,    max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#ellipse_rx')   .dragInput({ min: 1,    max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#ellipse_ry')   .dragInput({ min: 1,    max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$("#image_height") .dragInput({ min: 0,    max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#selected_x')   .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#selected_y')   .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$("#path_node_x")  .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$("#path_node_y")  .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$("#image_width")  .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#line_x1')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#line_x2')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#line_y1')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#line_y2')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#path_x')       .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#path_y')       .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#rect_x')       .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#rect_y')       .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#g_x')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#g_y')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#image_x')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#text_y')       .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#text_x')       .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#image_y')      .dragInput({ min: null, max: null,  step:  1,  callback: changeAttribute,     cursor: false                         });
			$('#rect_rx')      .dragInput({ min: 0,    max: 100,   step:  1,  callback: changeAttribute,    cursor: true                          });
	    $('#stroke_width') .dragInput({ min: 0,    max: 99,    step:  1,  callback: changeStrokeWidth,   cursor: true, smallStep: 0.1, start: 1.5          });
			$('#angle')        .dragInput({ min: -180, max: 180,   step:  1,  callback: changeRotationAngle, cursor: false, dragAdjust: 0.5      });
			$('#font_size')    .dragInput({ min: 1,    max: 250,   step:  1,  callback: changeFontSize,      cursor: true,  stepfunc: stepFontSize });
			$('#group_opacity').dragInput({ min: 0,    max: 100,   step:  5,  callback: changeAttribute,       cursor: true,  start: 100             });
			$('#blur')         .dragInput({ min: 0,    max: 10,    step: .1,  callback: changeBlur,          cursor: true,  start: 0               });
				// Set default zoom 
			$('#zoom').val(svgCanvas.getZoom() * 100);
			
			$("#workarea").contextMenu({
					menu: 'cmenu_canvas',
					inSpeed: 0
				},
				function(action, el, pos) {
					switch ( action ) {
						case 'delete':
							deleteSelected();
							break;
						case 'cut':
							cutSelected();
							break;
						case 'copy':
							copySelected();
							break;
						case 'paste':
							svgCanvas.pasteElements();
							break;
						case 'paste_in_place':
							svgCanvas.pasteElements('in_place');
							break;
						case 'group':
							svgCanvas.groupSelectedElements();
							break;
						case 'ungroup':         
							svgCanvas.ungroupSelectedElement();  
							break;
						case 'move_front':
							moveToTopSelected();
							break;
						case 'move_up':
							moveUpDownSelected('Up');
							break;
						case 'move_down':
							moveUpDownSelected('Down');
							break;
						case 'move_back':
							moveToBottomSelected();
							break;
  						default:
 							if(svgedit.contextmenu && svgedit.contextmenu.hasCustomHandler(action)){
 								svgedit.contextmenu.getCustomHandler(action).call();
  							}
  							break;
					}
					
			});
			
			$('.contextMenu li').mousedown(function(ev) {
				ev.preventDefault();
			})
			
			$('#cmenu_canvas li').disableContextMenu();
			canv_menu.enableContextMenuItems('#delete,#cut,#copy');
			
			window.onbeforeunload = function() { 
				// Suppress warning if page is empty 
				if(undoMgr.getUndoStackSize() === 0) {
					Editor.show_save_warning = false;
				}

				// show_save_warning is set to "false" when the page is saved.
				if(!curConfig.no_save_warning && Editor.show_save_warning) {
					// Browser already asks question about closing the page
					return uiStrings.notification.unsavedChanges; 
				}
			};
			
			Editor.openPrep = function(func) {
				$('#main_menu').hide();
				if(undoMgr.getUndoStackSize() === 0) {
					func(true);
				} else {
					$.confirm(uiStrings.notification.QwantToOpen, func);
				}
			}
			
			// use HTML5 File API: http://www.w3.org/TR/FileAPI/
			// if browser has HTML5 File API support, then we will show the open menu item
			// and provide a file input to click.  When that change event fires, it will
			// get the text contents of the file and send it to the canvas
			if (window.FileReader) {
				var inp = $('<input type="file">').change(function() {
					var f = this;
					Editor.openPrep(function(ok) {
						if(!ok) return;
						svgCanvas.clear();
						if(f.files.length==1) {
							var reader = new FileReader();
							reader.onloadend = function(e) {
								loadSvgString(e.target.result);
								updateCanvas();
							};
							reader.readAsText(f.files[0]);
						}
					});
				});
				$("#tool_open").show().prepend(inp);
				var inp2 = $('<input type="file">').change(function() {
					$('#main_menu').hide();
					if(this.files.length==1) {
						var reader = new FileReader();
						reader.onloadend = function(e) {
							svgCanvas.importSvgString(e.target.result, true);
							updateCanvas();
						};
						reader.readAsText(this.files[0]);
					}
				});
				$("#tool_import").show().prepend(inp2);
			}
			
			var updateCanvas = Editor.updateCanvas = function(center, new_ctr) {
				var w = workarea.width(), h = workarea.height();
				var w_orig = w, h_orig = h;
				var zoom = svgCanvas.getZoom();
				var w_area = workarea;
				var cnvs = $("#svgcanvas");
				
				var old_ctr = {
					x: w_area[0].scrollLeft + w_orig/2,
					y: w_area[0].scrollTop + h_orig/2
				};
				
				var multi = curConfig.canvas_expansion;
				w = Math.max(w_orig, svgCanvas.contentW * zoom * multi);
				h = Math.max(h_orig, svgCanvas.contentH * zoom * multi);
				
				if(w == w_orig && h == h_orig) {
					workarea.css('overflow','hidden');
				} else {
					workarea.css('overflow','scroll');
				}
				
				var old_can_y = cnvs.height()/2;
				var old_can_x = cnvs.width()/2;
				cnvs.width(w).height(h);
				var new_can_y = h/2;
				var new_can_x = w/2;
				var offset = svgCanvas.updateCanvas(w, h);
				
				var ratio = new_can_x / old_can_x;
		
				var scroll_x = w/2 - w_orig/2;
				var scroll_y = h/2 - h_orig/2;
				
				if(!new_ctr) {
		
					var old_dist_x = old_ctr.x - old_can_x;
					var new_x = new_can_x + old_dist_x * ratio;
		
					var old_dist_y = old_ctr.y - old_can_y;
					var new_y = new_can_y + old_dist_y * ratio;
		
					new_ctr = {
						x: new_x,
						y: new_y
					};
					
				} else {
					new_ctr.x += offset.x,
					new_ctr.y += offset.y;
				}
				
				//width.val(offset.x)
				//height.val(offset.y)
				
				if(center) {
					// Go to top-left for larger documents
					if(svgCanvas.contentW > w_area.width()) {
						// Top-left
						workarea[0].scrollLeft = offset.x - 10;
						workarea[0].scrollTop = offset.y - 10;
					} else {
						// Center
						w_area[0].scrollLeft = scroll_x;
						w_area[0].scrollTop = scroll_y;
					}
				} else {
					w_area[0].scrollLeft = new_ctr.x - w_orig/2;
					w_area[0].scrollTop = new_ctr.y - h_orig/2;
				}
				if(curConfig.showRulers) {
					updateRulers(cnvs, zoom);
					workarea.scroll();
				}
			}
			
			// Make [1,2,5] array
			var r_intervals = [];
			for(var i = .1; i < 1E5; i *= 10) {
				r_intervals.push(1 * i);
				r_intervals.push(2 * i);
				r_intervals.push(5 * i);
			}
			
			function updateRulers(scanvas, zoom) {
			  var ruler_x_cursor = document.getElementById("ruler_x_cursor");
			  var ruler_y_cursor = document.getElementById("ruler_y_cursor");
			  var workarea = document.getElementById("workarea");
			  var title_show = document.getElementById("title_show");
			  var offset_x = 66;
			  var offset_y = 48;
			  if (svgedit.browser.isTouch()) {
  			  $("#workarea").unbind("mousemove.rulers").bind("mousemove.rulers", function(e){
  			    e.stopPropagation();
            ruler_x_cursor.style.left = (e.pageX-offset_x+workarea.scrollLeft) + "px";
            ruler_y_cursor.style.top = (e.pageY-offset_y+workarea.scrollTop) + "px";
          })
        }
				if(!zoom) zoom = svgCanvas.getZoom();
				if(!scanvas) scanvas = $("#svgcanvas");
				
				var limit = 30000;
				
				var c_elem = svgCanvas.getContentElem();
				
				var units = svgedit.units.getTypeMap();
				var unit = units[curConfig.baseUnit]; // 1 = 1px
			
				for(var d = 0; d < 2; d++) {
					var is_x = (d === 0);
					var dim = is_x ? 'x' : 'y';
					var lentype = is_x?'width':'height';
					var content_d = c_elem.getAttribute(dim)-0;
					
					var $hcanv_orig = $('#ruler_' + dim + ' canvas:first');
					
					// Bit of a hack to fully clear the canvas in Safari & IE9
					$hcanv = $hcanv_orig.clone();
					$hcanv_orig.replaceWith($hcanv);
					
					var hcanv = $hcanv[0];
					
					// Set the canvas size to the width of the container
					var ruler_len = scanvas[lentype]()*2;
					var total_len = ruler_len;
					hcanv.parentNode.style[lentype] = total_len + 'px';
					
					var canv_count = 1;
					var ctx_num = 0;
					var ctx_arr;
					var ctx = hcanv.getContext("2d");
					
					ctx.fillStyle = "rgb(200,0,0)"; 
					ctx.fillRect(0,0,hcanv.width,hcanv.height); 
					
					// Remove any existing canvasses
					$hcanv.siblings().remove();
					
					// Create multiple canvases when necessary (due to browser limits)
					if(ruler_len >= limit) {
						var num = parseInt(ruler_len / limit) + 1;
						ctx_arr = Array(num);
						ctx_arr[0] = ctx;
						for(var i = 1; i < num; i++) {
							hcanv[lentype] = limit;
							var copy = hcanv.cloneNode(true);
							hcanv.parentNode.appendChild(copy);
							ctx_arr[i] = copy.getContext('2d');
						}
						
						copy[lentype] = ruler_len % limit;
						
						// set copy width to last
						ruler_len = limit;
					}
					
					hcanv[lentype] = ruler_len;
					
					var u_multi = unit * zoom;
					
					// Calculate the main number interval
					var raw_m = 50 / u_multi;
					var multi = 1;
					for(var i = 0; i < r_intervals.length; i++) {
						var num = r_intervals[i];
						multi = num;
						if(raw_m <= num) {
							break;
						}
					}
					
					var big_int = multi * u_multi;
					ctx.font = "normal 9px 'Lucida Grande', sans-serif";
					ctx.fillStyle = "#777";

					var ruler_d = ((content_d / u_multi) % multi) * u_multi;
					var label_pos = ruler_d - big_int;
					for (; ruler_d < total_len; ruler_d += big_int) {
						label_pos += big_int;
						var real_d = ruler_d - content_d;

						var cur_d = Math.round(ruler_d) + .5;
						if(is_x) {
							ctx.moveTo(cur_d, 15);
							ctx.lineTo(cur_d, 0);
						} else {
							ctx.moveTo(15, cur_d);
							ctx.lineTo(0, cur_d);
						}
	
						var num = (label_pos - content_d) / u_multi;
						var label;
						if(multi >= 1) {
							label = Math.round(num);
						} else {
							var decs = (multi+'').split('.')[1].length;
							label = num.toFixed(decs)-0;
						}
						
						// Do anything special for negative numbers?
// 						var is_neg = label < 0;
// 						real_d2 = Math.abs(real_d2);
						
						// Change 1000s to Ks
						if(label !== 0 && label !== 1000 && label % 1000 === 0) {
							label = (label / 1000) + 'K';
						}
						
						if(is_x) {
							ctx.fillText(label, ruler_d+2, 8);
							ctx.fillStyle = "#777";
						} else {
							var str = (label+'').split('');
							for(var i = 0; i < str.length; i++) {
								ctx.fillText(str[i], 1, (ruler_d+9) + i*9);
								ctx.fillStyle = "#777";
							}
						}
						
						var part = big_int / 10;
						for(var i = 1; i < 10; i++) {
							var sub_d = Math.round(ruler_d + part * i) + .5;
							if(ctx_arr && sub_d > ruler_len) {
								ctx_num++;
								ctx.stroke();
								if(ctx_num >= ctx_arr.length) {
									i = 10;
									ruler_d = total_len;
									continue;
								}
								ctx = ctx_arr[ctx_num];
								ruler_d -= limit;
								sub_d = Math.round(ruler_d + part * i) + .5;
							}
							
							var line_num = (i % 2)?12:10;
							if(is_x) {
								ctx.moveTo(sub_d, 15);
								ctx.lineTo(sub_d, line_num);
							} else {
								ctx.moveTo(15, sub_d);
								ctx.lineTo(line_num ,sub_d);
							}
						}
					}
					ctx.strokeStyle = "#666";
					ctx.stroke();
				}
			}
		
// 			$(function() {
				updateCanvas(true);
// 			});
			
		//	var revnums = "svg-editor.js ($Rev: 2083 $) ";
		//	revnums += svgCanvas.getVersion();
		//	$('#copyright')[0].setAttribute("title", revnums);
		
			// Callback handler for embedapi.js
 			try{
 				var json_encode = function(obj){
 			  //simple partial JSON encoder implementation
 			  if(window.JSON && JSON.stringify) return JSON.stringify(obj);
 			  var enc = arguments.callee; //for purposes of recursion
 			  if(typeof obj == "boolean" || typeof obj == "number"){
 				  return obj+'' //should work...
 			  }else if(typeof obj == "string"){
 				//a large portion of this is stolen from Douglas Crockford's json2.js
 				return '"'+
 					  obj.replace(
 						/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g
 					  , function (a) {
 						return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
 					  })
 					  +'"'; //note that this isn't quite as purtyful as the usualness
 			  }else if(obj.length){ //simple hackish test for arrayish-ness
 				for(var i = 0; i < obj.length; i++){
 				  obj[i] = enc(obj[i]); //encode every sub-thingy on top
 				}
 				return "["+obj.join(",")+"]";
 			  }else{
 				var pairs = []; //pairs will be stored here
 				for(var k in obj){ //loop through thingys
 				  pairs.push(enc(k)+":"+enc(obj[k])); //key: value
 				}
 				return "{"+pairs.join(",")+"}" //wrap in the braces
 			  }
 			}
 			  window.addEventListener("message", function(e){
 				var cbid = parseInt(e.data.substr(0, e.data.indexOf(";")));
 				try{
					e.source.postMessage("SVGe"+cbid+";"+json_encode(eval(e.data)), "*");
 			  }catch(err){					
					e.source.postMessage("SVGe"+cbid+";error:"+err.message, "*");
 			  }
 			}, false)
 			}catch(err){
 			  window.embed_error = err;
			}
			
		
		
			// For Compatibility with older extensions
			$(function() {
				window.svgCanvas = svgCanvas;
				svgCanvas.ready = svgEditor.ready;
			});
		
		
			Editor.setLang = function(lang, allStrings) {
				$.pref('lang', lang);
				$('#lang_select').val(lang);
				if(allStrings) {
				
					var notif = allStrings.notification;
					
					svgCanvas.runExtensions("langChanged", lang);
					
					// Update flyout tooltips
					setFlyoutTitles();
					
					// Copy title for certain tool elements
					var elems = {
						'#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',
						'#fill_color': '#tool_fill label, #tool_fill .color_block',
						'#linejoin_miter': '#cur_linejoin',
						'#linecap_butt': '#cur_linecap'
					}
					
					$.each(elems, function(source, dest) {
						$(dest).attr('title', $(source)[0].title);
					});
					
					// Copy alignment titles
					$('#multiselected_panel div[id^=tool_align]').each(function() {
						$('#tool_pos' + this.id.substr(10))[0].title = this.title;
					});
					
				}
			};
		};
		
		var callbacks = [];
		
		function loadSvgString(str, callback) {
			var success = svgCanvas.setSvgString(str) !== false;
			callback = callback || $.noop;
			if(success) {
				callback(true);
			} else {
				$.alert(uiStrings.notification.errorLoadingSVG, function() {
					callback(false);
				});
			}
		}
		
		Editor.ready = function(cb) {
			if(!is_ready) {
				callbacks.push(cb);
			} else {
				cb();
			}
		};

		Editor.runCallbacks = function() {
			$.each(callbacks, function() {
				this();
			});
			is_ready = true;
		};
		
		Editor.loadFromString = function(str) {
			Editor.ready(function() {
				loadSvgString(str);
			});
		};
		
		Editor.loadFromURL = function(url, opts) {
			if(!opts) opts = {};

			var cache = opts.cache;
			var cb = opts.callback;
		
			Editor.ready(function() {
				$.ajax({
					'url': url,
					'dataType': 'text',
					cache: !!cache,
					success: function(str) {
						loadSvgString(str, cb);
					},
					error: function(xhr, stat, err) {
						if(xhr.status != 404 && xhr.responseText) {
							loadSvgString(xhr.responseText, cb);
						} else {
							$.alert(uiStrings.notification.URLloadFail + ": \n"+err+'', cb);
						}
					}
				});
			});
		};
		
		Editor.loadFromDataURI = function(str) {
			Editor.ready(function() {
				var pre = 'data:image/svg+xml;base64,';
				var src = str.substring(pre.length);
				loadSvgString(svgedit.utilities.decode64(src));
			});
		};
		
		Editor.addExtension = function() {
			var args = arguments;
			
			// Note that we don't want this on Editor.ready since some extensions
			// may want to run before then (like server_opensave).
			$(function() {
				if(svgCanvas) svgCanvas.addExtension.apply(this, args);
			});
		};

		return Editor;
	}(jQuery);
	
	// Run init once DOM is loaded
	$(svgEditor.init);
	
})();