fcomboboxclass.as

flashget43的源代码 一个比较常用的下载程序

#initclip 3
/*

		FComboBoxClass
		EXTENDS FScrollSelectListClass
		
		This class manages a "pulldown" scrolling list.
*/

function FComboBoxClass()
{
	_global._popUpLevel = (_global._popUpLevel==undefined) ? 20000 : _global._popUpLevel+1;
	
	// Testing for _root's existence?
	this.superHolder = _root.createEmptyMovieClip("superHolder" + _popUpLevel, _popUpLevel);
	var testContainer = this.superHolder.createEmptyMovieClip("testCont", 20000);
	var testBox = testContainer.attachMovie("FBoundingBoxSymbol", "boundingBox_mc", 0);
	
	if (testBox._name==undefined) {
		// _root doesn't exist. 
		this.superHolder.removeMovieClip();
		this.superHolder = this._parent.createEmptyMovieClip("superHolder" + _popUpLevel, _popUpLevel);
	} else {
		testContainer.removeMovieClip();
	}
	
	if (this.rowCount==undefined) {
		this.rowCount = 8;
		this.editable = false;
	}

	this.setType(this.cmbType);
	
	this.itemSymbol = "FComboBoxItemSymbol";
	this.showItemSymbolOnTop = false;
	this.init();
	
	this.permaScrollBar = false;
	this.width = this._width;
	this.height =this.proxyBox_mc._height*this._yscale/100;
	
	for (var i=0; i<this.labels.length; i++) {
		this.addItem(this.labels[i], this.data[i]);
	}
	this.lastSelected = 0;
	this.selectItem(0);
	this._xscale = this._yscale = 100;
	this.opened = false;
	this.setSize(this.width);
	
	this.highlightTop(false);
	if (this.changeHandler.length>0) {
		this.setChangeHandler(this.changeHandler);
	}
	this.onUnload = function()
	{
		this.superHolder.removeMovieClip();
	}

	this.setSelectedIndex(0, false);
	this.value = "";
	this.focusEnabled = true;
	this.changeFlag = false;
}

FComboBoxClass.prototype = new FScrollSelectListClass();

Object.registerClass("FComboBoxSymbol", FComboBoxClass);

// ::: PUBLIC METHODS
FComboBoxClass.prototype.setClickHandler = function(funcName, link)
{
	_global.FlashChatNS._clickFuncName = funcName; 
	_global.FlashChatNS._clickLink     = link;
}

FComboBoxClass.prototype.modelChanged = function(eventObj)
{
	super.modelChanged(eventObj);
	var event = eventObj.event;	
	if (event=="addRows" || event=="deleteRows") {
		var diff = eventObj.lastRow - eventObj.firstRow + 1;
		var mode = (event=="addRows") ? 1 : -1;
		var len = this.getLength();
		var lenBefore = len-mode*diff;
		if (this.rowCount>lenBefore || this.rowCount>len) {
			this.invalidate("setSize");
		}
		if (this.getSelectedIndex()==undefined) {
			this.setSelectedIndex(0, false);
		}
	} else if (event=="updateAll") {
		this.invalidate("setSize");
	}
}

FComboBoxClass.prototype.removeAll = function()
{
	if (!this.enable) {
		return;
	}
	super.removeAll();
	if (this.editable) this.value="";
	this.invalidate("setSize");
}

FComboBoxClass.prototype.setSize = function(w)
{
	if (w==undefined || typeof(w) != "number" || w <= 0){ //!!!resizening || !this.enable) {
		return;
	}
	
	this.container_mc.removeMovieClip();
	this.measureItmHgt();
	var dim = testText(this.fLabel_mc.labelField, this.max_label_length.label, this.textStyle);
	if(this.cmbType == 'resizeable') 
	{ 
		w = dim.width + this.itmHgt + 2;
	}
		
	this.proxyBox_mc._width = w;
	this._proxy_width  = w;
	
	this.container_mc = this.superHolder.createEmptyMovieClip("container", 3);
	
	this.container_mc.tabChildren = false;
	this.setPopUpLocation(this.container_mc);
	this.container_mc.attachMovie("FBoundingBoxSymbol", "boundingBox_mc", 0);
	this.boundingBox_mc = this.container_mc.boundingBox_mc;
	this.boundingBox_mc.component = this;
	this.registerSkinElement(this.boundingBox_mc.boundingBox, "background");
	this.proxyBox_mc._height = this.itmHgt;
	this._proxy_height = this.itmHgt;
	
	this.numDisplayed = Math.min(this.rowCount, this.getLength());
	if (this.numDisplayed<3) {
		this.numDisplayed = Math.min(3, this.getLength());
	}
	this.height = this.numDisplayed * (this.itmHgt-2) + 2;
	
	super.setSize(w, this.height);

	this.drawSkin();
	
	//attach and paint DownArrow
	this.setEditable(this.editable);

	this.container_mc._visible = this.opened;
	this.highlightTop(false);
		
	this.fader = this.superHolder.attachMovie("FBoundingBoxSymbol", "faderX", 4);
	this.registerSkinElement(this.fader.boundingBox, "background");
	this.fader._width = this.width;
	this.fader._height = this.height;
	this.fader._visible = false;

}

FComboBoxClass.prototype.setType = function(inType)
{
	if(inType != undefined) this.type = this.cmbType = inType;
}

FComboBoxClass.prototype.drawSkin = function()
{
	var frame = this.getSkinFrame();
	
	if(frame == 1)
	{ 
		if(this._prev_skin != this.getSkinFrame() || this.downArrow == undefined)
			this.attachMovie("DownArrow", "downArrow", 10);
		
		this.downArrow._y = 0;
		this.downArrow._width = this._proxy_height;
		this.downArrow._height = this._proxy_height;
		this.proxyBox_mc._width = this._proxy_width;
		this.downArrow._x = this._proxy_width - this.downArrow._width;
	}
	else if(frame == 2)
	{
		if(this._prev_skin != this.getSkinFrame() || this.downArrow == undefined) 
			this.attachMovie("DownArrow", "downArrow", 10);
		
		this.downArrow._y = 0;
		this.downArrow._x = this._proxy_width - 0.8 * this._proxy_height;
	}
	else	if(frame == 3) 
	{ 
		if(this._prev_skin != this.getSkinFrame() || this.downArrow == undefined) 
			this.attachMovie("DownArrowGradient", "downArrow", 10);
		
		this.downArrow._y = -0.5;
		this.downArrow._height = this._proxy_height + 1.0;
		this.proxyBox_mc._width = this._proxy_width - 4;
		this.downArrow._x = this._proxy_width - this.downArrow._width ;
	}
	else if(frame == 4)
	{ 
		if(this._prev_skin != this.getSkinFrame() || this.downArrow == undefined) 
			this.attachMovie("DownArrow", "downArrow", 10);
		
		this.downArrow._y = 0;
		this.downArrow._x = this._proxy_width - 0.9 * this._proxy_height;
	}
	
	this._prev_skin = this.getSkinFrame();
	
	this.drawFrame();
}

FComboBoxClass.prototype.update = function()
{ 
	if(this._proxy_width == undefined) return;
	
	this.proxyBox_mc.clear();
	this.proxyBox_mc.box.clear();
	this.proxyBox_mc.box.draw();
};

FComboBoxClass.prototype.drawFrame = function()
{
	if(this._proxy_width == undefined) return;
	
	var t = '';
	var comboObj = null;
	switch(this.downArrow._currentframe)
	{ 
		case 1 : 
			t = 'out';
			comboObj = this.downArrow.up;
			break;
		case 2 : 
			t = 'press'; 
			comboObj = this.downArrow.down;
			break;
		case 3 : 
			t = 'disabled'; 
			comboObj = this.downArrow.disabled;
			break;
	}
	
	var data = {type : this.BTN_TYPE_COMBO, mode : t, pLink : this};
	
	this.proxyBox_mc.gotoAndStop(2*this.getSkinFrame()-1);
	this.proxyBox_mc.clear();
	
	comboObj.clear();
	
	if(this.getSkinFrame() != 3) 
	{ 
		comboObj.gotoAndStop(this.getSkinFrame());
		
		switch(this.getSkinFrame())
		{ 
			case 1 : 
				break;
			case 2 : 
				this.proxyBox_mc._xscale = this.proxyBox_mc._yscale = 100;
				_global.xpLook.draw(comboObj, 0.8 * this._proxy_height, this._proxy_height, data); 
				
				data.type = this.BG_TYPE_COMBO;
				_global.xpLook.draw(this.proxyBox_mc, this._proxy_width, this._proxy_height, data);
				break;
			case 3 : break;
			case 4 : 
				this.proxyBox_mc._xscale = this.proxyBox_mc._yscale = 100;
				_global.aquaLook.draw(comboObj, 0.9 * this._proxy_height, this._proxy_height, data); 
				
				data.type = this.BG_TYPE_COMBO;
				_global.aquaLook.draw(this.proxyBox_mc, this._proxy_width, this._proxy_height, data); 
				break;
			default: break; 
		}
	}
	else
	{
		comboObj.gotoAndStop(1);
	}
}


FComboBoxClass.prototype.onKillFocus = function()
{
	this.myOnKillFocus();
}

FComboBoxClass.prototype.setDataProvider = function(dp)
{
	super.setDataProvider(dp);
	this.invalidate("setSize");
	this.setSelectedIndex(0);
}


FComboBoxClass.prototype.getValue = function()
{
	if (this.editable) {
		return this.fLabel_mc.getLabel();
	} else {
		return super.getValue();
	}
}

FComboBoxClass.prototype.getRowCount = function()
{
	return this.rowCount;
}

FComboBoxClass.prototype.setRowCount = function(count)
{
	this.rowCount = (this.getLength()>count) ? Math.max(count,3) : count;
	this.setSize(this.width);
	var len = this.getLength();
	if (len-this.getScrollPosition()<this.rowCount) {
		this.setScrollPosition(len-(Math.min(this.rowCount, len)));
		this.invalidate("updateControl");
	}
}

FComboBoxClass.prototype.setItemSymbolOnTop = function(inVal)
{
	this.showItemSymbolOnTop = inVal;
}

FComboBoxClass.prototype.setEditable = function(editableFlag)
{
	//!!! resizening
	//if (!this.enable) return;
	
	this.editable = editableFlag;
	if (!this.editable) {
		this.onPress = this.pressHandler;