package com.jwopitz.containers {
	
	import flash.events.Event;
	import flash.events.FocusEvent;
	import flash.events.MouseEvent;
	
	import mx.controls.LinkButton;
	import mx.core.EventPriority;
	import mx.controls.Alert;
	
	[Style(name="titleLinkButtonStyle", type="String", inherit="no")]
	[Style(name="titleStyleOver", type="String", inherit="no")]
		
	[Event (name='titleClick', type='flash.events.MouseEvent')]
	public class LinkTitlePod extends Pod {
				
		protected var _titleLinkBtn:LinkButton;
		protected var _isTitleActive:Boolean = true;
		
		protected var _titleStyle:Object;
		
		public var allowTitleEvtPassThru:Boolean = false
				
		override protected function createChildren ():void {
			super.createChildren();
			
			titleTextField.mouseEnabled = false;
			
			if (!_titleLinkBtn){
				_titleLinkBtn = new LinkButton();
				_titleLinkBtn.buttonMode = isTitleActive;
				_titleLinkBtn.enabled = isTitleActive;
				_titleLinkBtn.mouseEnabled = isTitleActive;
				_titleLinkBtn.owner = this;
				
				_titleLinkBtn.styleName = getStyle("titleLinkButtonStyle");
			
				_titleLinkBtn.addEventListener(MouseEvent.CLICK, titleLinkBtn_onClick, false, EventPriority.DEFAULT_HANDLER);
				_titleLinkBtn.addEventListener(MouseEvent.MOUSE_DOWN, titleLinkBtn_onMouseDown, false, EventPriority.DEFAULT_HANDLER);
				_titleLinkBtn.addEventListener(MouseEvent.MOUSE_UP, titleLinkBtn_onMouseUp, false, EventPriority.DEFAULT_HANDLER);
				_titleLinkBtn.addEventListener(MouseEvent.MOUSE_OUT, titleLinkBtn_onMouseOut, false, EventPriority.DEFAULT_HANDLER);
				_titleLinkBtn.addEventListener(MouseEvent.MOUSE_OVER, titleLinkBtn_onMouseOver, false, EventPriority.DEFAULT_HANDLER);
				
				_titleLinkBtn.addEventListener(FocusEvent.FOCUS_IN, titleLinkBtn_onFocusIn, false, EventPriority.DEFAULT_HANDLER);
				_titleLinkBtn.addEventListener(FocusEvent.FOCUS_OUT, titleLinkBtn_onFocusOut, false, EventPriority.DEFAULT_HANDLER);
				
				var i:int = titleBar.getChildIndex(titleTextField) - 1;
				titleBar.addChildAt(_titleLinkBtn, i);
			}
		}
		
		override protected function layoutChrome (unscaledWidth:Number, unscaledHeight:Number):void {
			super.layoutChrome(unscaledWidth, unscaledHeight);
			
			_titleLinkBtn.setActualSize(titleTextField.getExplicitOrMeasuredWidth(), titleTextField.getExplicitOrMeasuredHeight());
			_titleLinkBtn.move(titleTextField.x, titleTextField.y);
		}
		
		//
		//	title link button evt handlers 
		//-----------------------------------------------------------//
		
		protected function titleLinkBtn_onClick (evt:MouseEvent):void {
			evt.stopPropagation();
			if (isTitleActive)
				dispatchEvent(createTitleBarMouseEvent('titleClick', evt));
		}
		
		protected function titleLinkBtn_onMouseDown (evt:MouseEvent):void {
			if (!allowTitleEvtPassThru)
				evt.stopPropagation();
		}
		
		protected function titleLinkBtn_onMouseUp (evt:MouseEvent):void {
			if (!allowTitleEvtPassThru)
				evt.stopPropagation();
		}
		
		protected function titleLinkBtn_onMouseOut (evt:MouseEvent):void {
			evt.stopPropagation();
			
			_titleStyle = getStyle("titleStyleName");
			titleTextField.styleName = _titleStyle;
		}
		
		protected function titleLinkBtn_onMouseOver (evt:MouseEvent):void {
			evt.stopPropagation();
			
			_titleStyle = getStyle("titleStyleOver");
			if (_titleStyle == null)
				_titleStyle = getStyle("titleStyleName");
				
			if (isTitleActive)
				titleTextField.styleName = _titleStyle;
		}
		
		protected function titleLinkBtn_onFocusIn (evt:FocusEvent):void {
			_titleStyle = getStyle("titleStyleOver");
			if (_titleStyle == null)
				_titleStyle = getStyle("titleStyleName");
				
			if (isTitleActive)
				titleTextField.styleName = _titleStyle;
		}
		
		protected function titleLinkBtn_onFocusOut (evt:FocusEvent):void {
			_titleStyle = getStyle("titleStyleName");
			titleTextField.styleName = _titleStyle;
		}
		
		//
		//	getters/setters
		//-----------------------------------------------------------//
		/**
		 * Flag indicating whether the Pod's title is interactive or not.
		 */
		public function get isTitleActive ():Boolean {
			return _isTitleActive;
		}
		/**
		 * @private
		 */
		public function set isTitleActive (value:Boolean):void {
			_isTitleActive = value;
			
			if (_titleLinkBtn){
				_titleLinkBtn.buttonMode = value;
				_titleLinkBtn.enabled = value;
				_titleLinkBtn.mouseEnabled = value;
			}
			
			dispatchEvent(new Event('titleActiveChange'));
		}
	}
}