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#3068 - Fixed memory issue in IE

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.3@65959 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2008-11-16 22:17:40 +00:00
parent f3543e670a
commit 59fca0df8b
1 changed files with 17 additions and 7 deletions
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24
javascript/core/jquery.ondemand.js
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@ -22,18 +22,24 @@
// Added by SRM: Initialise the loaded_list with the scripts included on first load
initialiseJSLoadedList : function() {
initialiseItemLoadedList : function() {
if(this.loaded_list == null) {
$this = this;
$this.loaded_list = [];
$this.loaded_list = {};
$('script').each(function() {
if($(this).attr('src')) $this.loaded_list[ $(this).attr('src') ] = 1;
});
$('link[@rel="stylesheet"]').each(function() {
if($(this).attr('href')) $this.loaded_list[ $(this).attr('href') ] = 1;
});
}
},
isJsLoaded : function(scriptUrl) {
this.initialiseJSLoadedList();
/**
* Returns true if the given CSS or JS script has already been loaded
*/
isItemLoaded : function(scriptUrl) {
this.initialiseItemLoadedList();
return this.loaded_list[scriptUrl] != undefined;
},
@ -60,7 +66,7 @@
this.pending = _request;
this.initialiseJSLoadedList();
this.initialiseItemLoadedList();
if (this.loaded_list[this.pending.url] != undefined) { // if required file exists (by PGA)
this.requestComplete(); // => request complete
@ -118,6 +124,9 @@
requireCss : function(styleUrl, media){
if(media == null) media = 'all';
// Don't double up on loading scripts
if(this.isItemLoaded(styleUrl)) return;
if(document.createStyleSheet){
var ss = document.createStyleSheet($.requireConfig.routeCss + styleUrl);
ss.media = media;
@ -130,8 +139,9 @@
media : media,
rel : 'stylesheet'
}).appendTo($('head').get(0));
}
this.loaded_list[styleUrl] = 1;
}
@ -202,7 +212,7 @@ function processOnDemandHeaders(xml, _ondemandComplete) {
if(xml.getResponseHeader('X-Include-JS')) {
var jsIncludes = xml.getResponseHeader('X-Include-JS').split(',');
for(i=0;i<jsIncludes.length;i++) {
if(!jQuery.isJsLoaded(jsIncludes[i])) {
if(!jQuery.isItemLoaded(jsIncludes[i])) {
newIncludes.push(jsIncludes[i]);
}
}