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Add alternative to get elementById

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This commit is contained in:
Andrea Bogazzi 2015-05-11 08:48:12 +02:00 committed by asturur
parent b214818cad
commit de4449231d
1 changed files with 26 additions and 5 deletions
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31
src/parser.js
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@ -367,19 +367,36 @@
return selector.length === 0;
}
function elementById(doc, id, elementsById) {
var el = doc.getElementById(id);
if (el) {
return el;
}
if (elementsById[id]) {
return elementsById[id];
}
var node, i, idAttr, nodelist = doc.getElementsByTagName('*');
for (i = 0; i < nodelist.length; i++) {
node = nodelist[i];
idAttr = node.getAttribute('id');
elementsById[idAttr] = node;
}
return elementsById[idAttr];
}
/**
* @private
*/
function parseUseDirectives(doc) {
var nodelist = doc.getElementsByTagName('use');
while (nodelist.length) {
var el = nodelist[0],
var nodelist = doc.getElementsByTagName('use'), elementsById = { }, i = 0;
while (nodelist.length && i < nodelist.length) {
var el = nodelist[i],
xlink = el.getAttribute('xlink:href').substr(1),
x = el.getAttribute('x') || 0,
y = el.getAttribute('y') || 0,
el2 = doc.getElementById(xlink).cloneNode(true),
el2 = elementById(doc, xlink, elementsById).cloneNode(true),
currentTrans = (el2.getAttribute('transform') || '') + ' translate(' + x + ', ' + y + ')',
parentNode;
parentNode, oldLength = nodelist.length;
for (var j = 0, attrs = el.attributes, l = attrs.length; j < l; j++) {
var attr = attrs.item(j);
@ -400,6 +417,10 @@
el2.removeAttribute('id');
parentNode = el.parentNode;
parentNode.replaceChild(el2, el);
// some browsers do not shorten nodelist after replaceChild
if (nodelist.length === oldLength) {
i++;
}
}
}