net/systemeD/controls/DataGridWarningField.as

   1 package net.systemeD.controls {
   2         import mx.controls.Label;
   3         import mx.controls.listClasses.*;
   4         import flash.display.DisplayObject;
   5         import mx.controls.Image;
   6
   7         public class DataGridWarningField extends Label {
   8
   9                 private var _image:Image;
  10                 [Embed(source="../../../embedded/warning.png")] private var warningIcon:Class;
  11
  12                 function DataGridWarningField():void {
  13                         super();
  14                         setStyle('paddingLeft',2);
  15                 }
  16
  17                 override protected function createChildren():void {
  18                         super.createChildren();
  19                         _image = new Image();
  20                         _image.source = warningIcon;
  21                         _image.width = 16;
  22                         _image.height = 16;
  23                         addChild(DisplayObject(_image));
  24                 }
  25
  26                 override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void {
  27                         super.updateDisplayList(unscaledWidth, unscaledHeight);
  28
  29                         if (data.value && data.value.indexOf(';')>-1) {
  30                                 setStyle('color',0xFF0000);
  31                                 _image.visible=true;
  32                                 _image.x = width -_image.width -5;
  33                                 _image.y = height-_image.height-3;
  34                                 _image.toolTip = "The tag contains more than one value - please check";
  35                                 textField.width = width-_image.width-5;
  36                         } else {
  37                                 setStyle('color',0);
  38                                 _image.visible=false;
  39                         }
  40                 }
  41         }
  42 }