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我有一个应用程序,用于替换tilelist中所选符号的行中的选定文本,这些文本都是动态加载的字符! 我不知道该怎么做才能够确定选择了多少个字符,如果您选择了一个符号,然后下载某些字符(替换),并且如果其他字符(如果其他字符未选中或选择为tsyfry ...那么这条消息...如何知道字符串中的哪些字符被分配?
我只是为了突出字符被选中tilelist ... 其余的!请帮助....
<?xml version="1.0" encoding="utf-8"?>
<mx:Application
xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
applicationComplete="contactsService.send()"
creationComplete="init()"
layout="absolute" viewSourceURL="srcview/index.html">
<fx:Script>
<![CDATA[
private function replaceSelect(event:MouseEvent):void
{
var obj:Object = lst.selectedItem;
var selStr:int = txt.selectionBeginIndex;
var selEnd:int = txt.selectionEndIndex;
if((lst.selectedItem != null)&&(selStr!=selEnd))
{
txt.text = txt.text.substring(0,selStr)+lst.selectedItem.toString()+txt.text.substring(selEnd,txt.text.length)
}
lst.visible = false;
}
[Bindable]
private var cm:ContextMenu;
private function init():void {
var cmi:ContextMenuItem = new ContextMenuItem("Special Characters", true);
cmi.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, cmSelect);
cm = new ContextMenu();
cm.hideBuiltInItems();
cm.customItems = [cmi];
}
private function cmSelect(evt:ContextMenuEvent):void {
lst.visible = true;
}
]]>
</fx:Script>
<fx:Declarations>
<mx:HTTPService id="contactsService"
resultFormat="e4x"
url="symbols.xml"/>
</fx:Declarations>
<mx:Panel width="508" height="487" x="20" y="20">
<mx:TextInput
id="txt"
text="Test String Flex"
contextMenu="{cm}"
width="303"/>
<mx:TileList
id="lst"
visible="false"
dataProvider="{contactsService.lastResult.symb}"
columnCount="4"
columnWidth="25"
rowCount="3"
rowHeight="25"
verticalScrollPolicy="on"
click="{replaceSelect(event)}"/>
</mx:Panel>
</mx:Application>
我不能完全理解你所写的 – Sersh 2011-04-20 12:11:17
哪一部分?你是否试图保存“历史”和“撤消”行动? – Imran 2011-04-20 12:17:09
不,我需要在选择一个字母时加载符号,如果您选择加载其他字符的2个字母,并且如果没有选择不是一个字母..显示消息..表示没有选择一个字母 我来自根据这个我觉得很难解释(((( – Sersh 2011-04-20 12:29:51