customlistview.as

flashget43的源代码 一个比较常用的下载程序

#initclip 10

_global.CustomListView = function() {
	//create background mc.
	this.createEmptyMovieClip('customListView_background', 0);
	this.customListView_background.drawRect2(0, 0, 1, 1, 0, 0, 100, 0xffffff, 100);
	
	//prepare mask movie clip, its initial size will be 1x1.
	this.createEmptyMovieClip('customListView_mask', -10, {_x : -1, _y : -1});
	this.customListView_mask.drawRect2(0, 0, 1, 1, 0.1, 0xffffff, 100, 0xffffff, 100);
		
	this.createEmptyMovieClip('customListView_items', 2);
	
	this.testMCDepth = 0;
	this.createEmptyMovieClip('customListView_testMC', 3);
	this.customListView_testMC._visible = false;
	
	this.freeDepthLevel = 0;

	this.x = 0;
	this.y = 0;
	this.maxHeight = 0;
	this.maxWidth = 0;
	this.totalHeight = 0;
	
	this.firstShownIdx = 0;

	this.enabled = true;

	this.style = inStyle;
	this.language = null;

	this.paneWindow = null;

	this.listWidth = this._width;
	this.listHeight = this._height;

	this.addProperty('_width', this.getPropWidth, this.setPropWidth);
	this.addProperty('_height', this.getPropHeight, this.setPropHeight);

	this.customListView_mask._width = this.listWidth + 2;
	this.customListView_mask._height = this.listHeight + 2;
	this.setMask(this.customListView_mask);

	this.itemWrapperList = new Array();
	this.mcList = new Array();
	this.mcHash = new Object();

	this.customListViewIcon.swapDepths(4);
	this.customListViewIcon._visible = false;
	this.createEmptyMovieClip('customListView_border', 6);
	this.scrollBarRect.swapDepths(5);
	this.vScrollBar.swapDepths(7);
	this.hScrollBar.swapDepths(8);
	
	//!!! uncomment if bugs
	//this.setSize(this.listWidth, this.listHeight);

	this.isColored = true;
	this.selfColor = -1;
	
	this.dataProvider = null;
	
	this.allow_paint = true;
	
	//setup module
	this.createModule();	
	//---
};

_global.CustomListView.prototype = new MovieClip();

//---
//--- 
_global.CustomListView.prototype.createModule = function()
{	
	if(_level0.ini.module.path == '' || _level0.ini.module.anchor > 4 || _level0.ini.module.anchor < 0) return;
	
	this.createEmptyMovieClip('module', 1);
	this['module'].loadMovie(_level0.ini.module.path);	
	
	this.createEmptyMovieClip('module_loader', -1000);
	this['module_loader'].onEnterFrame = function()
	{
		var item = this._parent['module'];
		var bloaded = item.getBytesLoaded();
		var btotal = item.getBytesTotal();
		
		if(btotal > 10 && bloaded >= btotal) 
		{			
			delete this.onEnterFrame;
			this.onEnterFrame = undefined;
			this._parent.bWidth  = this._parent['module']._width;
			this._parent.bHeight = this._parent['module']._height;
			this._parent.resetItems();//realign
			removeMovieClip(this)	;
		}
	}

}


//PUBLIC METHODS.
_global.CustomListView.prototype.setColored = function(inColor, inVal)
{
	this.selfColor = (inColor != undefined)? inColor : this.selfColor;
	if(this.isColored == inVal) return;
	
	this.isColored = (inVal != undefined)? inVal : this.isColored;
	
	this.setSize(this.listWidth, this.listHeight);
}

//adds new item to the end of the list.
_global.CustomListView.prototype.addItem = function(inItem) {
	this.addItemAt(this.itemWrapperList.length, inItem);
};

//adds new items to the end of the list. inItemList is an Array instance.
_global.CustomListView.prototype.addItems = function(inItemList) {
	this.addItemsAt(this.itemWrapperList.length, inItemList);
};

//inserts new item at the specified index.
_global.CustomListView.prototype.addItemAt = function(inIdx, inItem) {
	this._addItemAt(inIdx, inItem);
	
	this.updateScrollBars();
	this.paint();
};

//inserts new items at the specified index. inItemList is an Array instance.
_global.CustomListView.prototype.addItemsAt = function(inIdx, inItemList) {
	this._addItemsAt(inIdx, inItemList);
	
	this.updateScrollBars();
	this.paint();
};

//returns item at specified index. returns null if index is out of bounds.
_global.CustomListView.prototype.getItemAt = function(inIdx) {
	if ((inIdx >= 0) && (inIdx < this.itemWrapperList.length)) {
		return this.itemWrapperList[inIdx].item;
	} else {
		return null;
	}
};

_global.CustomListView.prototype.getItemRef = function(inItem) {
	for(var i = 0; i < this.mcList.length; i++)
	{
		if(this.mcList[i].mc.item == inItem) return (this.mcList[i].mc);
	}
	
	return null;
}

//returns total number of items.
_global.CustomListView.prototype.getLength = function() {
	return this.itemWrapperList.length;
};

//removes all items.
_global.CustomListView.prototype.removeAll = function() {
	this.totalHeight = 0;
	this.maxHeight = 0;
	this.maxWidth = 0;
	this.x = 0;
	this.y = 0;
	this.firstShownIdx = 0;
	for (var mcName in this.customListView_testMC) {
		this.customListView_testMC[mcName].removeMovieClip();
	}
	this.testMCDepth = 0;

	this.itemWrapperList.splice(0);
	this.updateScrollBars();
	this.paint();
};

//removes item at specified index.
_global.CustomListView.prototype.removeItemAt = function(inIdx) {
	this._removeItemsAt(inIdx, inIdx);
	
	this.updateScrollBars();
	this.paint();
};

//removes items at specified index range. first argument is start index, last argument is end index.
_global.CustomListView.prototype.removeItemsAt = function(inStartIdx, inEndIdx) {
	this._removeItemsAt(inStartIdx, inEndIdx);
	
	this.updateScrollBars();
	this.paint();
};

//replaces item at specified index with a new one.
_global.CustomListView.prototype.replaceItemAt = function(inIdx, inItem) {
	this._removeItemsAt(inIdx, inIdx);
	this._addItemAt(inIdx, inItem);
	
	this.updateScrollBars();
	this.paint();
};

//gets list view size.
_global.CustomListView.prototype.getSize = function() {
	var dimm = new Object();
	dimm.width = this.listWidth;
	dimm.height = this.listWidth;
	
	return (dimm);
};

//sets list view size.
_global.CustomListView.prototype.setSize = function(inWidth, inHeight) {
	this.listWidth = inWidth;
	this.listHeight = inHeight;

	this.customListView_background._x = 0;
	this.customListView_background._y = 0;
	this.customListView_background._width = this.listWidth;
	this.customListView_background._height = this.listHeight;

	this.customListView_mask._x = -1;
	this.customListView_mask._y = -1;
	this.customListView_mask._width = this.listWidth + 2;
	this.customListView_mask._height = this.listHeight + 2;
	
	this.vScrollBar._x = this.listWidth - this.vScrollBar._width;
	
	this.hScrollBar._y = this.listHeight - this.hScrollBar._height;

	this.scrollBarRect._x = this.listWidth - this.vScrollBar._width;
	this.scrollBarRect._y = this.listHeight - this.hScrollBar._height;

	this.drawListBorder();

	this.vScrollBar.setEnabled(false);
	this.vScrollBar._visible = false;
	this.hScrollBar.setEnabled(false);
	this.hScrollBar._visible = false;

	this.resetItems();
	this.updateScrollBars();
	
	if(this['module'] != undefined)
	{
		if(_level0.ini.module.stretch)
		{
			_global.FlashChatNS.chatUI.callModuleFunc('mOnModuleWindowResize', {width : this.listWidth, height : (this.listHeight - this['module']._y)});
		}	
		else
		{
			_global.FlashChatNS.chatUI.callModuleFunc('mOnModuleWindowResize', {width : this['module']._width, height : this['module']._height});
		}
	}	
	
	this.paint();	
};

_global.CustomListView.prototype.setPane = function(inPane) {
	this.paneWindow = inPane;
};

_global.CustomListView.prototype.setStyle = function(inStyle) {
	this.style = inStyle;
	
	var c = new Color(this.customListView_background);
	c.setRGB(this.style.userListBackground);
	
	c = new Color(this.scrollBarRect);
	c.setRGB(this.style.userListBackground);
	
	this.customListView_background._alpha = this.style.uiAlpha;
	for (var i = 0; i < this.mcList.length; i ++) {
		this.mcList[i].mc.applyStyle(this.style);
	}
	this.drawListBorder();
};

_global.CustomListView.prototype.applyTextProperty = function(propName, val) {
	for (var i = 0; i < this.mcList.length; i ++) {
		this.mcList[i].mc.applyTextProperty(propName, val);
	}
	
	this.setSize(this.listWidth, this.listHeight);
}
_global.CustomListView.prototype.setLanguage = function(inLanguage) {
	this.language = inLanguage;
	for (var i = 0; i < this.mcList.length; i ++) {
		this.mcList[i].mc.setLanguage(this.language);
	}
};

_global.CustomListView.prototype.setAlpha = function(inStyle) {
	this.style = inStyle;
	this.customListView_background._alpha = this.style.uiAlpha;
};

//SUPPORT FOR DATAPROVIDER INTERFACE.

//if inDataProvider is an Array instance asssume that array elemnts implements Item interface and
//just add them to the list. Otherwise, inDataProvider is an DataProvider interface implementation,
//so we add our list control to data provider's views.
_global.CustomListView.prototype.setDataProvider = function(inDataProvider) {
	this.removeAll();
	if (inDataProvider instanceof Array) {
		this.dataProvider = null;
		this.addItems(inDataProvider);
	} else {
		this.dataProvider = inDataProvider;
		this.dataProvider.addView(this);
	}
};

//called by dataprovider. inEvent object contains information about changes in external data.
_global.CustomListView.prototype.modelChanged = function(inEvent) {
	if (this.dataProvider == null) {
		return;
	}
	var event = inEvent.event;
	var firstRow = inEvent.firstRow;
	var lastRow = inEvent.lastRow;
	switch (event) {
		case 'updateAll' :
			this.removeAll();
			for (var i = 0; i < this.dataProvider.getLength(); i ++) {
				this.addItem(this.dataProvider.getItemAt(i));
			}
			break;
		case 'addRows' :
			if (firstRow == lastRow) {
				this.addItemAt(firstRow, this.dataProvider.getItemAt(firstRow));
			} else {
				var addList = new Array();
				for (var i = firstRow; i <= lastRow; i ++) {
					addList.push(this.dataProvider.getItemAt(i));
				}
				this.addItemsAt(firstRow, addList);
			}
			break;
		case 'updateRows' :
			for (var i = firstRow; i <= lastRow; i ++) {
				this.replaceItemAt(i, this.dataProvider.getItemAt(i));
			}
			break;
		case 'deleteRows' :
			this.removeItemsAt(firstRow, lastRow);
			break;
		case 'sort' :
			trace('SORT data provider event not implemented.');
			break;
		default : 
			trace('unknown data provider event[' + event + '].');
			break;
	}
};

//returns enabled state of the control.
_global.CustomListView.prototype.getEnabled = function() {
	return this.enabled;
};

//enabled or disables entire control with all custom movie clips.
_global.CustomListView.prototype.setEnabled = function(inEnabled) {
	this.enabled = inEnabled;
	if (this.vScrollBar._visible) {
		this.vScrollBar.setEnabled(inEnabled);
	}
	if (this.hScrollBar._visible) {
		this.hScrollBar.setEnabled(inEnabled);
	}
	for (var i = 0; i < this.mcList.length; i ++) {
		this.mcList[i].mc.setEnabled(inEnabled);
	}
	this.enablePressHandler(this.enabled);
};

_global.CustomListView.prototype.refreshItems = function() {
	for (var i = 0; i < this.mcList.length; i ++) {
		this.mcList[i].mc.refreshItem();
	}
};

_global.CustomListView.prototype.enablePressHandler = function(inVal) {
	if(inVal && this.paneWindow.dockState != true)
		this.customListView_background.onPress = function()
		{
			this._parent.pressHandlObj[this._parent.pressHandlFunc](this._parent.paneWindow);
		}
	else
		delete(this.customListView_background.onPress);
};

_global.CustomListView.prototype.setPressHandler = function(handlObj, handlFunc) {
	this.pressHandlObj = handlObj;
	this.pressHandlFunc = handlFunc;
	this.enablePressHandler(true);
}

//PRIVATE METHODS.

_global.CustomListView.prototype.getPropWidth = function() {
	return this.listWidth;
};

_global.CustomListView.prototype.setPropWidth = function(inWidth) {
	return this.setSize(inWidth, this.listHeight);
};

_global.CustomListView.prototype.getPropHeight = function() {
	return this.listHeight;
};