scratchfoundation/paper.js
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Expose capability to run PaperScripts from script tags.

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This commit is contained in:
Jürg Lehni 2011-05-16 00:57:13 +01:00
parent 30e3359d1d
commit c403dccea3
1 changed files with 25 additions and 15 deletions
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40
src/core/PaperScript.js
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@ -129,7 +129,31 @@ var PaperScript = this.PaperScript = new function() {
return parse_js.stringify(ast, true);
}
// XXX: Move to PaperScope
function run(code, scope) {
//#ifdef BROWSER
// See if it's a script tag or a string
if (typeof code !== 'string') {
// If a canvas id is provided, create a document for it now,
// so the active document is defined.
var canvas = code.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 (code.src) {
// If we're loading from a source, request that first and then
// run later.
return request(code.src, scope);
} else {
// We can simply get the code form the script tag.
code = code.innerHTML;
}
}
//#endif // BROWSER
with (scope) { // Safe one indentation by grouping try and with
paper = scope;
var doc = scope.document,
@ -213,21 +237,7 @@ var PaperScript = this.PaperScript = new function() {
// 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) {
request(script.src, scope);
} else {
run(script.innerHTML, scope);
}
run(script, scope);
// Mark script as loaded now.
script.setAttribute('loaded', true);
}