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MINOR Documentation and code formatting for jquery.ondemand.js

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@92520 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2009-11-21 02:30:51 +00:00
parent 073ebbe6ea
commit 146979b1b1
1 changed files with 26 additions and 20 deletions
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46
javascript/jquery-ondemand/jquery.ondemand.js
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@ -1,6 +1,9 @@
/**
* On-demand JavaScript handler
* Based on http://plugins.jquery.com/files/issues/jquery.ondemand.js_.txt and modified to integrate with Sapphire
* Based on http://plugins.jquery.com/files/issues/jquery.ondemand.js_.txt
* and modified to integrate with SilverStripe and prototype.js.
* Adds capabilities for custom X-Include-CSS and X-Include-JS HTTP headers
* to request loading of externals alongside an ajax response.
*
* Modified 2009-08-03 by Ingo Schommer, SilverStripe Ltd. - Renamed property "queue" to "ondemand_queue"
* to make compatible with jQuery 1.3
@ -15,14 +18,17 @@
$.extend({
requireConfig : {
routeJs : '', // empty default paths give more flexibility and user has
routeCss : '' // choice of using this config or full path in scriptUrl argument
}, // previously were useless for users which don't use '_js/' and '_css/' folders. (by PGA)
// empty default paths give more flexibility and user has
routeJs : '',
// choice of using this config or full path in scriptUrl argument
// previously were useless for users which don't use '_js/' and '_css/' folders. (by PGA)
routeCss : ''
},
ondemand_queue : [],
pending : null,
loaded_list : null, // loaded files list - to protect against loading existed file again (by PGA)
// loaded files list - to protect against loading existed file again (by PGA)
loaded_list : null,
// Added by SRM: Initialise the loaded_list with the scripts included on first load
initialiseItemLoadedList : function() {
@ -60,8 +66,7 @@
scope : scope
}
if(this.pending)
{
if(this.pending) {
this.ondemand_queue.push(_request);
return;
}
@ -70,15 +75,17 @@
this.initialiseItemLoadedList();
if (this.loaded_list[this.pending.url] != undefined) { // if required file exists (by PGA)
this.requestComplete(); // => request complete
// if required file exists (by PGA)
if (this.loaded_list[this.pending.url] != undefined) {
// => request complete
this.requestComplete();
return;
}
var _this = this;
var _url = (isExternalScript(scriptUrl)) ? scriptUrl : $.requireConfig.routeJs + scriptUrl;
var _head = document.getElementsByTagName('head')[0];
var _scriptTag = document.createElement('script');
var _this = this;
var _url = (isExternalScript(scriptUrl)) ? scriptUrl : $.requireConfig.routeJs + scriptUrl;
var _head = document.getElementsByTagName('head')[0];
var _scriptTag = document.createElement('script');
// Firefox, Opera
$(_scriptTag).bind('load', function(){
@ -98,8 +105,7 @@
_head.appendChild(_scriptTag);
},
requestComplete : function()
{
requestComplete : function() {
if(this.pending.callback){
if(this.pending.obj){
@ -112,12 +118,12 @@
this.pending.callback.call();
}
}
this.loaded_list[this.pending.url] = 1; // adding loaded file to loaded list (by PGA)
// adding loaded file to loaded list (by PGA)
this.loaded_list[this.pending.url] = 1;
this.pending = null;
if(this.ondemand_queue.length > 0)
{
if(this.ondemand_queue.length > 0) {
var request = this.ondemand_queue.shift();
this.requireJs(request.url, request.callback, request.opts, request.obj, request.scope);
}