Created
December 22, 2009 08:39
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package { | |
import flash.text.TextField; | |
import flash.net.URLLoader; | |
import flash.net.URLRequest; | |
import flash.text.StyleSheet; | |
import flash.system.System; | |
import flash.events.Event; | |
import flash.events.IOErrorEvent; | |
public class MyHTMLTextLoader { | |
private var fld:TextField; | |
private var htmlLoader:URLLoader; | |
private var cssLoader:URLLoader; | |
public function MyHTMLTextLoader(fld:TextField) { | |
this.fld=fld; | |
} | |
public function loadtext(htmlurl:String,cssurl:String=null,isUnicode:Boolean=true):void { | |
System.useCodePage=! isUnicode; | |
if (cssurl) { | |
this.loadCSS(cssurl); | |
} | |
this.loadHTML(htmlurl); | |
} | |
private function loadCSS(url:String):void { | |
cssLoader = new URLLoader(); | |
cssLoader.addEventListener(Event.COMPLETE, onLoadCompleted); | |
cssLoader.addEventListener(IOErrorEvent.IO_ERROR, onIOError); | |
cssLoader.load(new URLRequest(url)); | |
} | |
private function loadHTML(url:String):void { | |
htmlLoader = new URLLoader(); | |
htmlLoader.addEventListener(Event.COMPLETE, onLoadCompleted); | |
htmlLoader.addEventListener(IOErrorEvent.IO_ERROR, onIOError); | |
htmlLoader.load(new URLRequest(url)); | |
} | |
private function renderTextField():void { | |
// Assert(fld != null); | |
// Assert(htmlLoader != null); | |
// Assert(htmlLoader.bytesTotal > 0 && htmlLoader.bytesLoaded == htmlLoader.bytesTotal); | |
if (cssLoader) { | |
// Assert(cssLoader.bytesTotal > 0 && cssLoader.bytesLoaded == cssLoader.bytesTotal); | |
var styleSheet:StyleSheet = new StyleSheet(); | |
styleSheet.parseCSS(cssLoader.data); | |
fld.styleSheet=styleSheet; | |
} | |
fld.htmlText=this.trim(htmlLoader.data); | |
} | |
private function onLoadCompleted(eventObj:Event):void { | |
if (cssLoader) { | |
if (this.loaderIsCompletedLoading(cssLoader)&&this.loaderIsCompletedLoading(htmlLoader)) { | |
this.renderTextField(); | |
} | |
} else { | |
if (this.loaderIsCompletedLoading(htmlLoader)) { | |
this.renderTextField(); | |
} | |
} | |
} | |
private function onIOError(eventObj:IOErrorEvent):void { | |
fld.text="IO_ERROR"; | |
fld.styleSheet=null; | |
} | |
private function loaderIsCompletedLoading(urlLoader:URLLoader):Boolean { | |
if (! urlLoader) { | |
return false; | |
} | |
return (urlLoader.bytesTotal > 0 && urlLoader.bytesLoaded == urlLoader.bytesTotal); | |
} | |
private function trim(htmltext:String):String { | |
var trimString:String=htmltext.replace(/\r/g,""); | |
return trimString; | |
} | |
} | |
} |
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