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         import mx.controls.Text;
   7
   8     /**
   9     * The DataGridWarningField is a custom Label component that highlights values containing semicolons.
  10     * It does so using colour and a warning icon. Simply use in place of a standard Label component, or use
  11     * as a custom itemRenderer for a DataGridColumn.
  12     *
  13     * @see PromptingTextInputWarning
  14     */
  15
  16         public class DataGridWarningField extends Text {
  17
  18                 private var _image:Image;
  19                 [Embed(source="../../../embedded/warning.png")] private var warningIcon:Class;
  20                 private var _whiteList:Array = ["source","collection_times","service_times","smoking_hours","opening_hours"];
  21
  22                 function DataGridWarningField():void {
  23                         super();
  24                         setStyle('paddingLeft',2);
  25                 }
  26
  27                 override protected function createChildren():void {
  28                         super.createChildren();
  29                         _image = new Image();
  30                         _image.source = warningIcon;
  31                         _image.width = 16;
  32                         _image.height = 16;
  33                         addChild(DisplayObject(_image));
  34                 }
  35
  36                 override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void {
  37                         super.updateDisplayList(unscaledWidth, unscaledHeight);
  38
  39                         if (data.value && (_whiteList.indexOf(data.key)==-1) && (data.value.indexOf(';')>-1)) {
  40                                 setStyle('color',0xFF0000);
  41                                 _image.visible=true;
  42                                 _image.x = width -_image.width -5;
  43                                 _image.y = height-_image.height-3;
  44                                 _image.toolTip = "The tag contains more than one value - please check";
  45                                 textField.width = width-_image.width-5;
  46                         } else {
  47                                 setStyle('color',0);
  48                                 _image.visible=false;
  49                         }
  50                 }
  51         }
  52 }