scratchfoundation/paper.js
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Associate PaperScope objects with the script tag that produced them through an assigned unique id.

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This commit is contained in:
Jürg Lehni 2011-05-16 00:29:29 +01:00
parent 78a9f9afe9
commit 593813660a
3 changed files with 26 additions and 12 deletions

14
src/core/PaperScript.js
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@ -195,7 +195,8 @@ var PaperScript = this.PaperScript = new function() {
}
function load() {
var scripts = document.getElementsByTagName('script');
var scripts = document.getElementsByTagName('script'),
count = 0;
for (var i = 0, l = scripts.length; i < l; i++) {
var script = scripts[i];
// Only load this script if it not loaded already.
@ -204,13 +205,22 @@ var PaperScript = this.PaperScript = new function() {
// Produce a new PaperScope for this script now. Scopes are
// cheap so let's not worry about the initial one that was
// already created.
var scope = new PaperScope(script.src || ('script-' + i));
// Define an id for each paperscript, so its scope can be
// retrieved through PaperScope.get().
var scope = new PaperScope(script.getAttribute('id')
|| script.src || ('paperscript-' + (count++)));
// Make sure the tag also has this id now. If it already had an
// id, we're not changing it, since it's the first option we're
// trying to get an id from above.
script.setAttribute('id', scope.id);
// If a canvas id is provided, create a document for it now,
// so the active document is defined.
var canvas = script.getAttribute('canvas');
if (canvas = canvas && document.getElementById(canvas)) {
// Create a Document for this canvas, using the right scope
paper = scope;
// XXX: Do not pass canvas to Document.
// Create DocumentView here instead.
new Document(canvas);
}
if (script.src) {