/*********************************************************
Project		XML Photo Gallery
Creation	Tue Nov 30, 2004  10:02 PM
Author		Matthew Keefe [mkeefedesign]
*********************************************************
License
*********************************************************
This can be used in both Education and Commercial, 
the only thing I ask in return is for you to contact me 
if you do decide to use it. I am always wondering what 
people get out of my examples.
*********************************************************/

class SimpleGallery
{
	
	private var _container:MovieClip;
	
	private var picArray = new Array(); 
	private var tempArray = new Array();
	private var pathToPICS:String = "";
	private var currentPic:Number = 0;
	private var loopAround:Boolean = true;
	
	private var SPACING = 10;
	private var NUMOFPICS;
	private var DEPTH = 0;
	private var DEBUG:Number = 1;
	
	private var xmlFile = "gallery.xml";
	
	function SimpleGallery(mc:MovieClip)
	{
		_container = mc;
		init();
	}
	
	function init():Void
	{
		
		var parent:SimpleGallery = this;		
		
		//_container.holderMC._alpha = 0;
		_container.title_txt.htmlText = "<font color=\"#000000\">Title: </font><font color=\"#FFFFFF\">Splash Screen</font>";
		
		var gallery_xml = new XML();
		gallery_xml.ignoreWhite = true;
		gallery_xml.onLoad = function(success) 
		{
			if(success) 
			{
				parent.printer("RESULT: XML File Loaded!");
				var gallery = this.firstChild;
				parent.pathToPICS = gallery.attributes.picturePath;
				parent.NUMOFPICS = gallery.childNodes.length;
				parent.printer("Number of Pics: '" + parent.NUMOFPICS + "'");
				parent.printer("Path to Pics: '" + parent.pathToPICS + "'");
				for(var i = 0; i<parent.NUMOFPICS; i++) 
				{
					parent.tempArray.push(gallery.childNodes[i].attributes.title);
					parent.picArray.push(gallery.childNodes[i].attributes.source);
				}
				//loading first picture
				parent.loadPicture(parent._container.holderMC, 0);

				// Button Code
				parent._container.prev.onRelease = function() 
				{
					if(parent.currentPic == 0) 
					{
						/* 
							Uncomment this line if you want the pictures to start 
							over after it reaches the first image in the array 
						*/
						if(parent.loopAround)
						{
							parent.loadPicture(parent._container.holderMC, (parent.picArray.length - 1));
						}
					}
					else
					{
						parent.loadPicture(parent._container.holderMC, (parent.currentPic - 1));
					}
				};
				parent._container.next.onRelease = function()
				{
					if(parent.currentPic == parent.picArray.length-1) 
					{
						/* 
							Uncomment this line if you want the pictures to start 
							over after it reaches the last image in the array 
						*/
						if(parent.loopAround)
						{
							parent.loadPicture(parent._container.holderMC, 0);
						}
					} 
					else
					{
						parent.loadPicture(parent._container.holderMC, (parent.currentPic + 1));
					}
				};
			} 
			else 
			{
				parent.printer("ERROR: XML File NOT Loaded '" + xmlFile +" '");
			}
		};
		gallery_xml.load(xmlFile); // Load the xml file
		parent.printer("XML File: " + xmlFile);
		
	}
	
	function printer(str:String):Void
	{
		// If debug flag is set, output different operation in the movie
		DEBUG ? trace(str) : null;
	}
	
	function loadPicture(target:MovieClip, pic:Number):Void
	{
		var parent = this;
		currentPic = pic;
		_container.picnum_txt.text = (currentPic + 1) + "/" + NUMOFPICS; // Add one to the 'pic' var since an array starts at 0
		printer("STATUS: Loading Picture " + currentPic);
		_container.holderMC._alpha = 100;
		if(pathToPICS.length > 1)
		{
			target.loadMovie(pathToPICS + picArray[currentPic]);
		}
		else
		{
			target.loadMovie(picArray[currentPic]);
		}
		parent.printer("target: " + target);
		parent.printer("_container.holderMC: " + _container.holderMC);
		parent.printer("Load Image: " + picArray[currentPic]);
		target._parent.onEnterFrame = function() 
		{
			var t = parent._container.holderMC.getBytesTotal();
			var l = parent._container.holderMC.getBytesLoaded();
			if(t != 0 && Math.round(l/t) == 1 && parent._container.holderMC._width>0) 
			{
				var w:Number = parent._container.holderMC._width + parent.SPACING;
				var h:Number = parent._container.holderMC._height + parent.SPACING;
				parent.resizePicture(parent._container.border, w, h, pic);
				delete this.onEnterFrame;
			}
		};		
	}
	
	function resizePicture(target:MovieClip, w:Number, h:Number, pic:Number):Void
	{
		var parent = this;
		var speed = 3;
		_container.holderMC._alpha = 0;
		
		parent.printer("target: " + target);
		parent.printer("w: " + w);
		parent.printer("h: " + h);
		parent.printer("pic: " + pic);
		
		target.onEnterFrame = function() 
		{
			this._width += (w-this._width)/speed;
			this._height += (h-this._height)/speed;
			parent._container.title_txt.htmlText = "<font color=\"#000000\"><b>Project Title:</b></font>&nbsp;" + "<font color=\"#000000\">" + parent.tempArray[pic] + "</font>";
			parent._container.title_txt.htmlText = "<font color=\"#000000\"><b>Project Description:</b></font>&nbsp;" + "<font color=\"#000000\">" + parent.tempArray[pic] + "</font>";
			if(Math.abs(this._width-w)<1 && Math.abs(this._height-h)<1) 
			{
				this._width = w;
				this._height = h;
				parent._container.holderMC._x = this._x-this._width / 2 + parent.SPACING / 2;
				parent._container.holderMC._y = this._y-this._height / 2 + parent.SPACING / 2;
				parent._container.holderMC._alpha += 5;
				if(parent._container.holderMC._alpha > 90) 
				{
					parent._container.holderMC._alpha = 100;
					delete this.onEnterFrame;
				}
			}
		};
	}
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