Limiting the amount of text you can enter into a Flex TextArea control
e following example shows how you can limit the amount of text a user can enter into a TextArea control by using the maxChars property.
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Script>
<![CDATA[
private function textArea_change(evt:Event):void {
var ta:TextArea = evt.currentTarget as TextArea;
progressBar.setProgress(ta.length, ta.maxChars);
}
private function progressBar_progress(evt:ProgressEvent):void {
var pb:ProgressBar = evt.currentTarget as ProgressBar;
if (pb.percentComplete > 95) {
pb.setStyle("themeColor", "red");
} else if (pb.percentComplete > 80) {
pb.setStyle("themeColor", "yellow");
} else {
pb.setStyle("themeColor", "haloGreen");
}
}
]]>
</mx:Script>
<mx:Panel>
<mx:TextArea id="textArea"
width="320"
height="120"
maxChars="300"
change="textArea_change(event);" />
<mx:ControlBar>
<mx:ProgressBar id="progressBar"
mode="manual"
minimum="0"
maximum="{textArea.maxChars}"
label="%1 of %2 characters (%3%%)"
labelPlacement="center"
width="100%"
progress="progressBar_progress(event);" />
</mx:ControlBar>
</mx:Panel>
</mx:Application>
10:02 AM
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Labels:
Flex Controls Samples,
Flex ProgressBar Control
|
This entry was posted on 10:02 AM
and is filed under
Flex Controls Samples
,
Flex ProgressBar Control
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