svgedit/dist/extensions/ext-polygon.js

270 lines
10 KiB
JavaScript

var svgEditorExtension_polygon = (function () {
'use strict';
/**
* ext-polygon.js
*
*
* @copyright 2010 CloudCanvas, Inc. All rights reserved
*
*/
var extPolygon = {
name: 'polygon',
init: function init(S) {
var svgEditor, svgCanvas, $, importLocale, editingitex, strings, selElems, started, newFO, showPanel, setAttr, cot, sec, buttons, contextTools;
return regeneratorRuntime.async(function init$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
sec = function _ref4(n) {
return 1 / Math.cos(n);
};
cot = function _ref3(n) {
return 1 / Math.tan(n);
};
setAttr = function _ref2(attr, val) {
svgCanvas.changeSelectedAttribute(attr, val);
svgCanvas.call('changed', selElems);
};
showPanel = function _ref(on) {
var fcRules = $('#fc_rules');
if (!fcRules.length) {
fcRules = $('<style id="fc_rules"></style>').appendTo('head');
}
fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
$('#polygon_panel').toggle(on);
};
svgEditor = this;
svgCanvas = svgEditor.canvas;
$ = S.$, importLocale = S.importLocale, editingitex = false;
_context.next = 9;
return regeneratorRuntime.awrap(importLocale());
case 9:
strings = _context.sent;
/**
* Obtained from http://code.google.com/p/passenger-top/source/browse/instiki/public/svg-edit/editor/extensions/ext-itex.js?r=3
* This function sets the content of of the currently-selected foreignObject element,
* based on the itex contained in string.
* @param {string} tex The itex text.
* @returns {boolean} This function returns false if the set was unsuccessful, true otherwise.
*/
/*
function setItexString(tex) {
const mathns = 'http://www.w3.org/1998/Math/MathML',
xmlnsns = 'http://www.w3.org/2000/xmlns/',
ajaxEndpoint = '../../itex';
const elt = selElems[0];
try {
const math = svgdoc.createElementNS(mathns, 'math');
math.setAttributeNS(xmlnsns, 'xmlns', mathns);
math.setAttribute('display', 'inline');
const semantics = document.createElementNS(mathns, 'semantics');
const annotation = document.createElementNS(mathns, 'annotation');
annotation.setAttribute('encoding', 'application/x-tex');
annotation.textContent = tex;
const mrow = document.createElementNS(mathns, 'mrow');
semantics.append(mrow, annotation);
math.append(semantics);
// make an AJAX request to the server, to get the MathML
$.post(ajaxEndpoint, {tex, display: 'inline'}, function(data){
const children = data.documentElement.childNodes;
while (children.length > 0) {
mrow.append(svgdoc.adoptNode(children[0], true));
}
svgCanvas.sanitizeSvg(math);
svgCanvas.call('changed', [elt]);
});
elt.firstChild.replaceWith(math);
svgCanvas.call('changed', [elt]);
svgCanvas.clearSelection();
} catch(e) {
console.log(e);
return false;
}
return true;
}
*/
buttons = [{
id: 'tool_polygon',
icon: svgEditor.curConfig.extIconsPath + 'polygon.png',
type: 'mode',
position: 11,
events: {
click: function click() {
svgCanvas.setMode('polygon');
showPanel(true);
}
}
}];
contextTools = [{
type: 'input',
panel: 'polygon_panel',
id: 'polySides',
size: 3,
defval: 5,
events: {
change: function change() {
setAttr('sides', this.value);
}
}
}];
return _context.abrupt("return", {
name: strings.name,
svgicons: svgEditor.curConfig.extIconsPath + 'polygon-icons.svg',
buttons: strings.buttons.map(function (button, i) {
return Object.assign(buttons[i], button);
}),
context_tools: strings.contextTools.map(function (contextTool, i) {
return Object.assign(contextTools[i], contextTool);
}),
callback: function callback() {
$('#polygon_panel').hide();
setTimeout(function () {
// Create source save/cancel buttons
/* const save = */
$('#tool_source_save').clone().hide().attr('id', 'polygon_save').unbind().appendTo('#tool_source_back').click(function () {
if (!editingitex) {
return;
} // Todo: Uncomment the setItexString() function above and handle ajaxEndpoint?
// setSelectMode();
});
/* const cancel = */
$('#tool_source_cancel').clone().hide().attr('id', 'polygon_cancel').unbind().appendTo('#tool_source_back').click(function () {
});
}, 3000);
},
mouseDown: function mouseDown(opts) {
if (svgCanvas.getMode() !== 'polygon') {
return undefined;
} // const e = opts.event;
var rgb = svgCanvas.getColor('fill'); // const ccRgbEl = rgb.substring(1, rgb.length);
var sRgb = svgCanvas.getColor('stroke'); // ccSRgbEl = sRgb.substring(1, rgb.length);
var sWidth = svgCanvas.getStrokeWidth();
started = true;
newFO = svgCanvas.addSVGElementFromJson({
element: 'polygon',
attr: {
cx: opts.start_x,
cy: opts.start_y,
id: svgCanvas.getNextId(),
shape: 'regularPoly',
sides: document.getElementById('polySides').value,
orient: 'x',
edge: 0,
fill: rgb,
strokecolor: sRgb,
strokeWidth: sWidth
}
});
return {
started: true
};
},
mouseMove: function mouseMove(opts) {
if (!started || svgCanvas.getMode() !== 'polygon') {
return undefined;
} // const e = opts.event;
var c = $(newFO).attr(['cx', 'cy', 'sides', 'orient', 'fill', 'strokecolor', 'strokeWidth']);
var x = opts.mouse_x;
var y = opts.mouse_y;
var cx = c.cx,
cy = c.cy,
fill = c.fill,
strokecolor = c.strokecolor,
strokeWidth = c.strokeWidth,
sides = c.sides,
edg = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy)) / 1.5;
newFO.setAttribute('edge', edg);
var inradius = edg / 2 * cot(Math.PI / sides);
var circumradius = inradius * sec(Math.PI / sides);
var points = '';
for (var s = 0; sides >= s; s++) {
var angle = 2.0 * Math.PI * s / sides;
x = circumradius * Math.cos(angle) + cx;
y = circumradius * Math.sin(angle) + cy;
points += x + ',' + y + ' ';
} // const poly = newFO.createElementNS(NS.SVG, 'polygon');
newFO.setAttribute('points', points);
newFO.setAttribute('fill', fill);
newFO.setAttribute('stroke', strokecolor);
newFO.setAttribute('stroke-width', strokeWidth); // newFO.setAttribute('transform', 'rotate(-90)');
// const shape = newFO.getAttribute('shape');
// newFO.append(poly);
// DrawPoly(cx, cy, sides, edg, orient);
return {
started: true
};
},
mouseUp: function mouseUp(opts) {
if (svgCanvas.getMode() !== 'polygon') {
return undefined;
}
var attrs = $(newFO).attr('edge');
var keep = attrs.edge !== '0'; // svgCanvas.addToSelection([newFO], true);
return {
keep: keep,
element: newFO
};
},
selectedChanged: function selectedChanged(opts) {
// Use this to update the current selected elements
selElems = opts.elems;
var i = selElems.length;
while (i--) {
var elem = selElems[i];
if (elem && elem.getAttribute('shape') === 'regularPoly') {
if (opts.selectedElement && !opts.multiselected) {
$('#polySides').val(elem.getAttribute('sides'));
showPanel(true);
} else {
showPanel(false);
}
} else {
showPanel(false);
}
}
},
elementChanged: function elementChanged(opts) {// const elem = opts.elems[0];
}
});
case 13:
case "end":
return _context.stop();
}
}
}, null, this);
}
};
return extPolygon;
}());