Код:
package com.Rating
{
[Style(name="horizontalGap", type="Number", format="Length", inherit="no")]
[Style(name="paddingLeft", type="Number", format="Length", inherit="no")]
[Style(name="paddingTop", type="Number", format="Length", inherit="no")]
[Event("change")]
public class VoteRenderer extends UIComponent implements IDataRenderer, IDropInListItemRenderer, IListItemRenderer
{
public function VoteRenderer():void
{
//add the mouse move event listener so that we can update
//the display as the user moves out of the component capture both
//rollout and mouse out to ensure proper display updating
addEventListener(MouseEvent.MOUSE_OUT,handleMouseOut);
addEventListener(MouseEvent.ROLL_OUT,handleMouseOut);
//make sure we can get notified of the child events
mouseChildren = true;
trace('VoteRenderer');
}
/**
* Store the number of items to create.
**/
private const itemCount:Number =5;
private var contentWidth:Number=0;
private var isResult:Boolean = false;
public static var abc:Number = 0;
/**
* Data storage.
**/
private var _data:Object;
[Bindable("dataChange")]
[Inspectable(environment="none")]
public function get data():Object
{
return _data;
}
public function set data(value:Object):void
{
_data = value;
try{
if (_listData && _listData is DataGridListData)
{
this.value = _data[DataGridListData(_listData).dataField];
}
else
{
this.value = int(_listData.label);
}
}
catch(e:Error){
}
dispatchEvent(new FlexEvent(FlexEvent.DATA_CHANGE));
}
/**
* Storage for the listData property.
*/
private var _listData:BaseListData;
[Bindable("dataChange")]
public function get listData():BaseListData
{
return _listData;
}
public function set listData(value:BaseListData):void
{
_listData = value;
}
/**
* An array of tooltips for the rating items
**/
[Bindable]
[Inspectable]
private var _tooltips:Array = null;
public function set tooltips(value:Array):void
{
_tooltips = value;
}
public function get tooltips():Array
{
return _tooltips;
}
/**
* the value of the rating
**/
[Bindable(event="change")]
[Inspectable]
private var _value:int = 0;
public function set value(value:int):void
{
_value = value;
selectItems(value);
try{
if (_listData && _listData is DataGridListData)
{
_data[DataGridListData(_listData).dataField] = _value;
}
else
{
_listData.label = _value.toString();
}
}
catch(e:Error){
}
dispatchEvent(new Event("change"));
}
public function get value():int
{
return _value;
}
[Bindable]
[Inspectable]
private var _type:int;
public function set type(value:int):void
{
_type = value;
}
public function get type():int
{
return _type;
}
[Bindable]
[Inspectable]
private var _outerRadius:Number=50;
public function set outerRadius(value:Number):void
{
_outerRadius = value;
updateChildren("outerRadius",value);
}
public function get outerRadius():Number
{
return _outerRadius;
}
[Bindable]
[Inspectable]
private var _innerRadius:Number=25;
public function set innerRadius(value:Number):void
{
_innerRadius = value;
updateChildren("innerRadius",value);
}
public function get innerRadius():Number
{
return _innerRadius;
}
[Bindable]
[Inspectable]
private var _points:Number=5;
public function set points(value:Number):void
{
_points = value;
updateChildren("points",value);
}
public function get points():Number
{
return _points;
}
[Bindable]
[Inspectable]
private var _angle:Number = 90;
public function set angle(value:Number):void
{
_angle = value;
updateChildren("angle",value);
}
public function get angle():Number
{
return _angle;
}
/**
* Update the children if the property changes.
**/
private function updateChildren(property:String, value:Number):void
{
for (var i:int = 0; i < itemCount; i++)
{
if (getChildByName(i.toString())){
RatingItem(getChildByName(i.toString()))[property]=value;
}
}
}
/**
* Add the star objects for rating and set thier properties and
* add the event listener for rollover and click
**/
//override protected function childrenCreated():void
override protected function commitProperties():void
{
//use the horizontal Gap style for spacing between items
var horizontalGap:Number = getStyle("horizontalGap");
var paddingLeft:Number = getStyle("paddingLeft");
var paddingTop:Number = getStyle("paddingTop");
var lastX:Number = 0;
if(type == 1){
//create each item, set the properties, and add the listeners.
for (var i:int = 0; i < itemCount; i++)
{
var newItem = new RatingItem();
newItem.id = (i).toString();
newItem.name =(i).toString();
//if the tooltips are set apply it to the primitive
if (tooltips)
{
if (tooltips.length >(i-1)){
newItem.toolTip = tooltips[i-1].toString();
}
}
//set the default width and height
newItem.width = 12;
newItem.height = 12;
addChild(newItem);
if (lastX == 0)
{
newItem.x=paddingLeft;
}
else
{
newItem.x= ((12+horizontalGap)+lastX);
}
lastX = newItem.x;
newItem.y= paddingTop;
//set the inicial value based on this value
if ((i-1) < value)
{
newItem.selected = true;
}
if(this.parentApplication.currentState != 'gridMyFiles'){
newItem.addEventListener(MouseEvent.CLICK,handleItemClick,false,1);
newItem.addEventListener(MouseEvent.ROLL_OVER,handleMouseRoll);
newItem.addEventListener(MouseEvent.ROLL_OUT,handleMouseRoll);
}
}
} else {
if(type == 2){
var newItem = new RadioButton;
newItem.id = "0";
newItem.name ="0";
//set the default width and height
newItem.width = 50;
newItem.height = 15;
newItem.groupName="vote";
newItem.label = "YES";
newItem.styleName = "voteRadioButton";
newItem.x = 0;
newItem.y = paddingTop;
newItem.selected = "false";
addChild(newItem);
if(this.parentApplication.currentState != 'gridMyFiles'){
newItem.addEventListener(MouseEvent.CLICK,handleItemClick,false,1);
newItem.addEventListener(MouseEvent.ROLL_OVER,handleMouseRoll);
newItem.addEventListener(MouseEvent.ROLL_OUT,handleMouseRoll);
}
var newItem = new RadioButton;
newItem.id = "1";
newItem.name ="1";
//set the default width and height
newItem.width = 45;
newItem.height = 15;
newItem.groupName="vote";
newItem.label = "NO";
newItem.styleName = "voteRadioButton";
newItem.x = 53;
newItem.y = paddingTop;
newItem.selected = "false";
addChild(newItem);
//set the inicial value based on this value
if(this.parentApplication.currentState != 'gridMyFiles'){
newItem.addEventListener(MouseEvent.CLICK,handleItemClick,false,1);
newItem.addEventListener(MouseEvent.ROLL_OVER,handleMouseRoll);
newItem.addEventListener(MouseEvent.ROLL_OUT,handleMouseRoll);
}
}
}
width=newItem.x+horizontalGap;
height = 12;
}
override protected function updateDisplayList(unscaledWidth:Number,unscaledHeight:Number):void
{
super.updateDisplayList(unscaledWidth,unscaledHeight);
//draw a transparent background so we can get the
//rollout/over event on the ui object in not doing
//this we'll get flashing when moving between items
graphics.lineStyle(0,0xFFFFFF,0);
graphics.beginFill(0xFFFFFF,0);
graphics.drawRect(0,0,unscaledWidth,unscaledHeight);
graphics.endFill();
}
//do the selection based on passed value
private function selectItems(value:Number):void{
//make sure items are selected up to the target name
//and any items after are not selected
var currentItem:RatingItem;
for (var i:int = 0; i < itemCount; i++)
{
if(getChildByName(i.toString()) is RatingItem){
currentItem = RatingItem(getChildByName(i.toString()));
if (currentItem)
{
if (i <= value)
{
//selected
currentItem.selected = true;
}
else
{
//not selected
currentItem.selected = false;
}
}
}
}
}
private function handleMouseRoll(event:MouseEvent):void{
selectItems(Number(event.currentTarget.name));
}
private function handleMouseOut(event:MouseEvent):void{
if (event.currentTarget is VoteRenderer)
{
selectItems(value);
}
}
/**
* handle the click and dispatch the event
**/
private function handleItemClick(event:MouseEvent):void
{
//prevent the default and stop the propogation
//so that the base class does not select it.
event.preventDefault();
event.stopImmediatePropagation();
if (event.currentTarget.id == 1 && value == 1){
value=0;
}
else{
value= Number(event.currentTarget.id);
}
dispatchEvent(event);
}
}
}
RatingItem - звездочка.
06.05.2008, 19:48
Линейный вид
