fcomboboxclass.as

flashget43的源代码 一个比较常用的下载程序

		this.useHandCursor = false;
		this.trackAsMenu = true;
		if(!this.showItemSymbolOnTop)
			this.attachMovie("FComboBoxItemSymbol", "fLabel_mc", 5, {controller:this, itemNum:-1});
		else	
			this.attachMovie(this.itemSymbol, "fLabel_mc", 5, {controller:this, itemNum:-1, isTop:true});
			
		this.fLabel_mc.onRollOver = undefined;
		
		//this.fLabel_mc.setSize(this.width-this.itmHgt+1, this.itmHgt);
		this.fLabel_mc.setSize(this.width - this.downArrow._width + 1, this.itmHgt);
		
		this.topLabel = this.getSelectedItem();
		this.fLabel_mc.drawItem(this.topLabel, false);
		
		this.highlightTop(false);
		
		//in aqua skin a combobox is not highlighted
		this.fLabel_mc.highlight_mc._visible = (this.getSkinFrame() != 2 && this.getSkinFrame() != 4);
	} else {
		this.attachMovie("FLabelSymbol", "fLabel_mc", 5);		
		this.fLabel_txt = this.fLabel_mc.labelField;
		this.fLabel_txt.type = "input";
		this.fLabel_txt._x = 4;
		this.fLabel_txt.onSetFocus = this.onLabelFocus;
		this.fLabel_mc.setSize(this.width-this.itmHgt-3);
		delete this.onPress;
		this.fLabel_txt.onKillFocus = function()
		{
			this._parent._parent.myOnKillFocus();
		}
		this.fLabel_mc.setLabel(this.value);
		this.fLabel_txt.onChanged = function() {
				this._parent._parent.findInputText();
		}
		this.downArrow.onPress = this.buttonPressHandler;
		this.downArrow.useHandCursor = false;
		this.downArrow.trackAsMenu = true;
	}
}

FComboBoxClass.prototype.setEnabled = function(enabledFlag)
{
	enabledFlag = (enabledFlag == undefined || typeof(enabledFlag)!="boolean") ? true : enabledFlag;
	super.setEnabled(enabledFlag);
	this.registerSkinElement(this.boundingBox_mc.boundingBox, "background");
	if (this.editable) {
		this.fLabel_txt.type = (enabledFlag) ? "input" : "dynamic";
		this.fLabel_txt.selectable = enabledFlag;
	} else if (enabledFlag) {
		this.fLabel_mc.drawItem(this.topLabel, false);
		this.setSelectedIndex(this.getSelectedIndex(), false);
	}
	this.fLabel_mc.setEnabled(this.enable);
	this.fLabel_txt.onSetFocus = (enabledFlag) ? this.onLabelFocus : undefined;
	
	//this.proxyBox_mc.gotoAndStop( (this.enable) ? "enabled" : "disabled");
	//this.downArrow.gotoAndStop( (this.enable) ? 1 : 3);
	//------------------------------------------------------------------------------------------//
	this.drawFrame();
	//------------------------------------------------------------------------------------------//
}

FComboBoxClass.prototype.setSelectedIndex = function(index, flag)
{
	super.setSelectedIndex(index, flag);
	if (!this.editable) {
		this.topLabel = this.getSelectedItem();
		this.fLabel_mc.drawItem(this.topLabel, false);
	} else { 
		this.value = (flag!=undefined) ? "" : this.getSelectedItem().label;
		this.fLabel_mc.setLabel(this.value);
	}
	this.invalidate("updateControl");
}

FComboBoxClass.prototype.setValue = function(value)
{
	if (this.editable) {
		this.fLabel_mc.setLabel(value);
		this.value = value;
	}
}

// ::: PRIVATE METHODS


FComboBoxClass.prototype.pressHandler = function()
{
	this.focusRect.removeMovieClip();
	if (this.enable) {
		if (!this.opened) {
			this.onMouseUp = this.releaseHandler;
		} else {
			this.onMouseUp = undefined;
		}
		this.changeFlag = false;
		if (!this.focused) {
			this.pressFocus();
			this.clickFilter = (this.editable) ? false : true;
		}
		if (!this.clickFilter) {
			this.openOrClose(!this.opened);
		} else {
			this.clickFilter = false;
		}
	}
}

FComboBoxClass.prototype.clickHandler = function(itmNum) 
{
	if (!this.focused) {
		if (this.editable) {
			this.fLabel_txt.onKillFocus = undefined;
		}
		this.pressFocus();
	}
	super.clickHandler(itmNum);
	this.selectionHandler(itmNum);
	this.onMouseUp = this.releaseHandler;
}

FComboBoxClass.prototype.highlightTop = function(flag)
{
	if (!this.editable) {
		this.fLabel_mc.drawItem(this.topLabel, flag);
	}
}

FComboBoxClass.prototype.myOnSetFocus = function()
{
	super.myOnSetFocus();
	this.fLabel_mc.highlight_mc.gotoAndStop("enabled");
	this.highlightTop(true);
}


FComboBoxClass.prototype.drawFocusRect = function()
{
	this.drawRect(-2,-2, this.width+4, this._height+4);
}

FComboBoxClass.prototype.myOnKillFocus = function()
{	
	if (Selection.getFocus().indexOf("labelField")!=-1) return; // if the label is in focus, don't kill my focus!

	super.myOnKillFocus();
	delete this.fLabel_txt.onKeyDown;
	this.openOrClose(false);
	this.highlightTop(false);
}

FComboBoxClass.prototype.setPopUpLocation = function(mcRef)
{
	mcRef._x = this._x;
	
	//if this._parent is tab in tabview as MovieClip not dialog object
	if ( this._parent._name.indexOf("dialog") < 0) 
	{
		var point = { x : this._x + this._parent._x, y : this._y + this._parent._y + this._proxy_height};
		this._parent._parent.localToGlobal(point);
	} else
	{
		var point = { x : this._x, y : this._y + this._proxy_height};
		this._parent.localToGlobal(point);
	}
	
	mcRef._parent.globalToLocal(point);
    			
	mcRef._x = point.x;
	mcRef._y = point.y;
		
	if (this.height+mcRef._y >= Stage.height) {
		this.upward = true;
		mcRef._y = point.y-this.height - this._proxy_height;
	} else {
		this.upward = false;
	}
}

FComboBoxClass.prototype.openOrClose = function(flag)
{
	if (this.getLength()==0) return;
	this.setPopUpLocation(this.container_mc);
	if (this.lastSelected!=-1 && (this.lastSelected<this.topDisplayed || this.lastSelected>this.topDisplayed+this.numDisplayed)) {
		super.moveSelBy(this.lastSelected-this.getSelectedIndex());
	}
	(flag) ? this.downArrow.gotoAndStop(2) : this.downArrow.gotoAndStop(1);	
	
	//------------------------------------------------------------------------------------------//
	this.drawFrame();
	//------------------------------------------------------------------------------------------//
	
	if (flag==this.opened) {
		return ;
	}
	
	//!!! begin addition !!!
	if(_global.FlashChatNS._clickLink != undefined)
		_global.FlashChatNS._clickLink[_global.FlashChatNS._clickFuncName]();
	//!!! end addition !!!	
	
	this.highlightTop(!flag);
	this.fadeRate = this.styleTable.popUpFade.value;
	if (!flag || this.fadeRate==undefined || this.fadeRate==0) {
		this.opened = this.container_mc._visible = flag;
		return;
	}

	// code for fading in - depends on a prop called popUpFade. 
	
	this.setPopUpLocation(this.fader);

	this.time = 0;
	this.const = 85 / Math.sqrt(this.fadeRate);
	this.fader._alpha = 85;
	this.container_mc._visible = this.fader._visible = true;
	this.onEnterFrame = function()
	{
		this.fader._alpha = 100 - (this.const * Math.sqrt(++this.time) + 15);
 		if (this.time>=this.fadeRate) {
			this.fader._visible = false;
			delete this.onEnterFrame;
			this.opened = true;
		}
	}

}


FComboBoxClass.prototype.fireChange = function()
{
	this.lastSelected = this.getSelectedIndex();
	if (!this.editable) {
		this.topLabel = this.getSelectedItem();
		this.fLabel_mc.drawItem(this.topLabel, true);
	} else {
		this.value=this.getSelectedItem().label;
		this.fLabel_mc.setLabel(this.value);
	}
	this.executeCallBack();
}

FComboBoxClass.prototype.releaseHandler = function()
{
	var onCombo = this.boundingBox_mc.hitTest(_root._xmouse, _root._ymouse);
	if (this.changeFlag) {
		if (onCombo) {
			this.fireChange();
		}
		this.openOrClose(!this.opened);
	} else if (onCombo) {
		this.openOrClose(false);

	} else {
		this.onMouseDown = function()
		{
			if (!this.boundingBox_mc.hitTest(_root._xmouse, _root._ymouse) && !this.hitTest(_root._xmouse, _root._ymouse)) {
				this.onMouseDown = undefined;
				this.openOrClose(false);
			}
		}
	}
	this.changeFlag=false;
	this.onMouseUp=undefined;
	clearInterval(this.dragScrolling);
	this.dragScrolling = undefined;
}

FComboBoxClass.prototype.moveSelBy = function(itemNum)
{
	if (itemNum!=0) {
		super.moveSelBy(itemNum);
		if (this.editable) {
			this.setValue(this.getSelectedItem().label);
		}
		if (!this.opened) {
			if (this.changeFlag && !this.isSelected(this.lastSelected)) {
				this.fireChange();
			}
		}
	}
}

FComboBoxClass.prototype.myOnKeyDown = function()
{
	if (!this.focused) return ;
	if (this.editable && Key.isDown(Key.ENTER)) {
		this.setValue(this.fLabel_mc.getLabel());
		this.executeCallBack();
		this.openOrClose(false);
	} 
	else if ( (Key.isDown(Key.ENTER) || (Key.isDown(Key.SPACE)&&!this.editable)) && this.opened) {
		if (this.getSelectedIndex()!=this.lastSelected) {
			this.fireChange();
		}

		this.openOrClose(false);
		this.fLabel_txt.hscroll = 0;
	}
	super.myOnKeyDown();
}


FComboBoxClass.prototype.findInputText = function()
{
	if (!this.editable) {
		super.findInputText();
	}
}

FComboBoxClass.prototype.onLabelFocus = function()
{
	this._parent._parent.tabFocused = false;
	this._parent._parent.focused = true;
	
	this.onKeyDown = function()
	{
		this._parent._parent.myOnKeyDown();
	}
	Key.addListener(this);
}

FComboBoxClass.prototype.buttonPressHandler = function()
{	
	this._parent.pressHandler();
}

#endinitclip

this.deadPreview._visible = false;