Rewrite browsersupport JS module to only expose functions. Added detection for Selectors and XPath support. Updated svgcanvas.js to create its getElem() function based on browsersupport.
git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1909 eee81c28-f429-11dd-99c0-75d572ba1dddmaster
Jeff Schiller
parent
e557f346e9
commit
282f81f27a
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@ -29,12 +29,16 @@ var isOpera_ = !!window.opera;
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var isWebkit_ = userAgent.indexOf("AppleWebKit") >= 0;
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var isGecko_ = userAgent.indexOf('Gecko/') >= 0;
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svgedit.browsersupport.isOpera = function() { return isOpera_; }
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svgedit.browsersupport.isWebkit = function() { return isWebkit_; }
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svgedit.browsersupport.isGecko = function() { return isGecko_; }
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var supportsSelectors_ = (function() {
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return !!svg.querySelector;
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})();
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var supportsXpath_ = (function() {
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return !!document.evaluate;
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})();
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// segList functions (for FF1.5 and 2.0)
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function supportPathReplaceItem() {
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var supportsPathReplaceItem_ = (function() {
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var path = document.createElementNS(svgns, 'path');
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path.setAttribute('d','M0,0 10,10');
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var seglist = path.pathSegList;
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@ -44,9 +48,9 @@ function supportPathReplaceItem() {
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return true;
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} catch(err) {}
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return false;
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}
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})();
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function supportPathInsertItemBefore() {
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var supportsPathInsertItemBefore_ = (function() {
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var path = document.createElementNS(svgns,'path');
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path.setAttribute('d','M0,0 10,10');
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var seglist = path.pathSegList;
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@ -56,10 +60,10 @@ function supportPathInsertItemBefore() {
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return true;
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} catch(err) {}
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return false;
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}
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})();
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// text character positioning
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function supportTextCharPos() {
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var supportsTextCharPos_ = (function() {
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var retValue = false;
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var svgcontent = document.createElementNS(svgns, 'svg');
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document.documentElement.appendChild(svgcontent);
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@ -72,14 +76,14 @@ function supportTextCharPos() {
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} catch(err) {}
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document.documentElement.removeChild(svgcontent);
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return retValue;
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}
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})();
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function supportEditableText() {
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var supportsEditableText_ = (function() {
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// TODO: Find better way to check support for this
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return svgedit.browsersupport.isOpera();
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}
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return isOpera_;
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})();
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function supportGoodDecimals() {
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var supportsGoodDecimals_ = (function() {
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// Correct decimals on clone attributes (Opera < 10.5/win/non-en)
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var rect = document.createElementNS(svgns, 'rect');
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rect.setAttribute('x',.1);
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@ -90,29 +94,38 @@ function supportGoodDecimals() {
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Please upgrade to the <a href='http://opera.com'>latest version</a> in which the problems have been fixed.");
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}
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return retValue;
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}
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})();
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function supportNonScalingStroke() {
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var supportsNonScalingStroke_ = (function() {
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var rect = document.createElementNS(svgns, 'rect');
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rect.setAttribute('style','vector-effect:non-scaling-stroke');
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return rect.style.vectorEffect === 'non-scaling-stroke';
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}
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})();
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function supportNativeSVGTransformLists() {
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var supportsNativeSVGTransformLists_ = (function() {
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var rect = document.createElementNS(svgns, 'rect');
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var rxform = rect.transform.baseVal;
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var t1 = svg.createSVGTransform();
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rxform.appendItem(t1);
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return rxform.getItem(0) == t1;
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}
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})();
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svgedit.browsersupport.pathReplaceItem = supportPathReplaceItem();
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svgedit.browsersupport.pathInsertItemBefore = supportPathInsertItemBefore();
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svgedit.browsersupport.textCharPos = supportTextCharPos();
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svgedit.browsersupport.editableText = supportEditableText();
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svgedit.browsersupport.goodDecimals = supportGoodDecimals();
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svgedit.browsersupport.nonScalingStroke = supportNonScalingStroke();
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svgedit.browsersupport.nativeTransformLists = supportNativeSVGTransformLists();
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// Public API
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svgedit.browsersupport.isOpera = function() { return isOpera_; }
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svgedit.browsersupport.isWebkit = function() { return isWebkit_; }
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svgedit.browsersupport.isGecko = function() { return isGecko_; }
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svgedit.browsersupport.supportsSelectors = function() { return supportsSelectors_; }
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svgedit.browsersupport.supportsXpath = function() { return supportsXpath_; }
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svgedit.browsersupport.supportsPathReplaceItem = function() { return supportsPathReplaceItem_; }
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svgedit.browsersupport.supportsPathInsertItemBefore = function() { return supportsPathInsertItemBefore_; }
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svgedit.browsersupport.supportsTextCharPos = function() { return supportsTextCharPos_; }
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svgedit.browsersupport.supportsEditableText = function() { return supportsEditableText_; }
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svgedit.browsersupport.supportsGoodDecimals = function() { return supportsGoodDecimals_; }
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svgedit.browsersupport.supportsNonScalingStroke = function() { return supportsNonScalingStroke_; }
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svgedit.browsersupport.supportsNativeTransformLists = function() { return supportsNativeSVGTransformLists_; }
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})();
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@ -218,22 +218,27 @@ var selectedElements = new Array(1);
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//
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// Parameters:
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// id - String with the element's new ID
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var getElem = function(id) {
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if(svgroot.querySelector) {
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var getElem = null;
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if (svgedit.browsersupport.supportsSelectors()) {
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getElem = function(id) {
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// querySelector lookup
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return svgroot.querySelector('#'+id);
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} else if(svgdoc.evaluate) {
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};
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} else if (svgedit.browsersupport.supportsXpath()) {
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getElem = function(id) {
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// xpath lookup
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return svgdoc.evaluate('svg:svg[@id="svgroot"]//svg:*[@id="'+id+'"]', container, function() { return "http://www.w3.org/2000/svg"; }, 9, null).singleNodeValue;
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} else {
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return svgdoc.evaluate('svg:svg[@id="svgroot"]//svg:*[@id="'+id+'"]',
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container, function() { return "http://www.w3.org/2000/svg"; },
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9, null).singleNodeValue;
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};
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} else {
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getElem = function(id) {
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// jQuery lookup: twice as slow as xpath in FF
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return $(svgroot).find('[id=' + id + ']')[0];
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}
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};
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}
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canvas.getElem = getElem;
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// getElementById lookup: includes icons, not good
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// return svgdoc.getElementById(id);
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};
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// Function: assignAttributes
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// Assigns multiple attributes to an element.
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//
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@ -2657,7 +2662,7 @@ var getMouseTarget = this.getMouseTarget = function(evt) {
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tlist.appendItem(svgroot.createSVGTransform());
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tlist.appendItem(svgroot.createSVGTransform());
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if(svgedit.browsersupport.nonScalingStroke) {
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if(svgedit.browsersupport.supportsNonScalingStroke()) {
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mouse_target.style.vectorEffect = 'non-scaling-stroke';
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var all = mouse_target.getElementsByTagName('*'), len = all.length;
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for(var i = 0; i < all.length; i++) {
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@ -3318,7 +3323,7 @@ var getMouseTarget = this.getMouseTarget = function(evt) {
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} // no change in mouse position
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// Remove non-scaling stroke
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if(svgedit.browsersupport.nonScalingStroke) {
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if(svgedit.browsersupport.supportsNonScalingStroke()) {
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var elem = selectedElements[0];
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elem.removeAttribute('style');
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svgedit.utilities.walkTree(elem, function(elem) {
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@ -3898,7 +3903,7 @@ var textActions = canvas.textActions = function() {
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$(curtext).css('cursor', 'text');
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// if(svgedit.browsersupport.editableText) {
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// if(svgedit.browsersupport.supportsEditableText()) {
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// curtext.setAttribute('editable', 'simple');
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// return;
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// }
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@ -3938,7 +3943,7 @@ var textActions = canvas.textActions = function() {
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curtext = false;
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// if(svgedit.browsersupport.editableText) {
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// if(svgedit.browsersupport.supportsEditableText()) {
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// curtext.removeAttribute('editable');
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// }
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},
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@ -3954,7 +3959,7 @@ var textActions = canvas.textActions = function() {
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init: function(inputElem) {
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if(!curtext) return;
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// if(svgedit.browsersupport.editableText) {
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// if(svgedit.browsersupport.supportsEditableText()) {
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// curtext.select();
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// return;
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// }
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@ -4042,7 +4047,7 @@ var pathActions = canvas.pathActions = function() {
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// Support insertItemBefore on paths for FF2
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var list = elem.pathSegList;
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if(svgedit.browsersupport.pathInsertItemBefore) {
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if(svgedit.browsersupport.supportsPathInsertItemBefore()) {
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list.insertItemBefore(newseg, index);
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return;
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}
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@ -4889,7 +4894,7 @@ var pathActions = canvas.pathActions = function() {
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var func = 'createSVGPathSeg' + pathFuncs[type];
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var seg = path[func].apply(path, pts);
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if(svgedit.browsersupport.pathReplaceItem) {
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if(svgedit.browsersupport.supportsPathReplaceItem()) {
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path.pathSegList.replaceItem(seg, index);
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} else {
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var segList = path.pathSegList;
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@ -9835,7 +9840,7 @@ this.getPrivateMethods = function() {
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canvas.textActions = textActions;
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}
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if (!svgedit.browsersupport.textCharPos) {
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if (!svgedit.browsersupport.supportsTextCharPos()) {
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disableAdvancedTextEdit();
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}
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})();
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@ -261,7 +261,7 @@ svgedit.transformlist.removeElementFromListMap = function(elem) {
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// Parameters:
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// elem - DOM element to get a transformlist from
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svgedit.transformlist.getTransformList = function(elem) {
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if (!svgedit.browsersupport.nativeTransformLists) {
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if (!svgedit.browsersupport.supportsNativeTransformLists()) {
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var id = elem.id;
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if(!id) {
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// Get unique ID for temporary element
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