import flash.events.Event;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.display.Loader;
import fl.controls.ProgressBar;
import fl.transitions.Tween;
import fl.transitions.easing.*;
import fl.transitions.TweenEvent;

var myXMLLoader:URLLoader = new URLLoader();
myXMLLoader.load(new URLRequest("images.xml"));
myXMLLoader.addEventListener(Event.COMPLETE, processXML);

var columns:Number;
var my_x:Number;
var my_y:Number;
var my_thumb_width:Number;
var my_thumb_height:Number;
var my_images:XMLList;
var my_total:Number;

var container_mc:MovieClip;
var preloaders_mc:MovieClip;
var full_mc:MovieClip;

var x_counter:Number = 0;
var y_counter:Number = 0;

var currentX:Number = 0;

var miniWidth:Number;
var miniHeight:Number;

var my_tweens:Array = [];
var container_mc_tween:Tween;
var full_tween:Tween;

miniaturki.addEventListener(MouseEvent.MOUSE_OVER, onOver);
miniaturki.addEventListener(MouseEvent.MOUSE_OUT, onOut);
miniaturki.addEventListener(MouseEvent.CLICK, callFull);

if (stage)
{
    initialize();
}
else
{
    addEventListener(Event.ADDED_TO_STAGE,initialize);
}

    function initialize(e:Event = null):void
{
    removeEventListener(Event.ADDED_TO_STAGE,initialize);
    stage.scaleMode = StageScaleMode.NO_SCALE;
    stage.align = StageAlign.TOP_LEFT;
    stage.addEventListener(Event.RESIZE,onResizeDoc);
    stage.dispatchEvent(new Event(Event.RESIZE));
    stage.addEventListener(Event.REMOVED_FROM_STAGE, onRemove);
    resizeMyDoc();
}

function onResizeDoc(event:Event = null):void
{
    resizeMyDoc();
}

function resizeMyDoc():void
{
    var sw:Number = stage.stageWidth;
    var sh:Number = stage.stageHeight;
    var sBw = sw - 320;

    if (stage.displayState == StageDisplayState.FULL_SCREEN)
    {
        miniaturki.x = miniaturki.x;
        miniaturki.y = 0;
        miniaturki.height = sh;
        miniaturki.scaleX = miniaturki.scaleY;
    }
    else
    {
        miniaturki.x = stage.x + miniaturki.x;
        miniaturki.y = 235;
        miniaturki.height = sh - 310;
        miniaturki.scaleX = miniaturki.scaleY;
    }
}

function processXML(e:Event):void
{
    var myXML:XML = new XML(e.target.data);

    columns = myXML. @ COLUMNS;
    my_x = myXML. @ XPOSITION;
    my_y = myXML. @ YPOSITION;
    my_thumb_width = myXML. @ WIDTH;
    my_thumb_height = myXML. @ HEIGHT;
    my_images = myXML.IMAGE;
    my_total = my_images.length();

    preloaders_mc = new MovieClip();
    preloaders_mc.x = miniaturki.x;
    preloaders_mc.y = miniaturki.y;
    addChild(preloaders_mc);

    miniaturki.buttonMode = true;

    //createContainer();
    callThumbs();

    myXMLLoader.removeEventListener(Event.COMPLETE, processXML);
    myXMLLoader = null;
}

//function createContainer():void
//{
//container_mc = new MovieClip();
//container_mc.x = my_x;
//container_mc.y = my_y;
//addChild(container_mc);
//}

function callThumbs():void
{
    for (var i:Number = 0; i < my_total; i++)
    {
        var thumb_url = my_images[i].@THUMB;;
        var thumb_loader = new Loader();
        thumb_loader.load(new URLRequest(thumb_url));
        thumb_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, thumbLoaded);

        thumb_loader.name = i;

        //thumb_loader.x = (my_thumb_width+1000)*x_counter;

        //thumb_loader[i].x = currentX;
        //currentX += thumb_loader[i].width;

        //if (x_counter + 1 < columns)
        //{
        //  x_counter++;
        //}
        //else
        //{
            //x_counter = 0;
        //}

        var preloader_pb:ProgressBar = new ProgressBar(); //adding prgressBar to thumbs
        preloader_pb.source = thumb_loader.contentLoaderInfo;
        preloader_pb.x = thumb_loader.x;
        preloader_pb.y = thumb_loader.y;
        preloader_pb.width = my_thumb_width;
        preloader_pb.height = my_thumb_height;
        preloaders_mc.addChild(preloader_pb);

        preloader_pb.addEventListener(Event.COMPLETE, donePb);
    }
}

function donePb (e:Event):void
{
    var my_pb:ProgressBar = ProgressBar(e.target);
    preloaders_mc.removeChild(my_pb);

    my_pb.removeEventListener(Event.COMPLETE, donePb);
}

function thumbLoaded(e:Event):void
{
    var my_thumb:Loader = Loader(e.target.loader);
    miniaturki.addChild(my_thumb);

    my_tweens[Number(my_thumb.name)]=new Tween(my_thumb, "alpha", Strong.easeIn, 0,1,0.5, true);

    miniWidth = my_thumb.width;
    miniHeight = my_thumb.height;

    //var currentX:Number = 0;
    //e.target.loader.x =(my_thumb.width+1300)*1;
    //currentX += miniWidth + 25;

    trace(miniWidth);
    trace(miniHeight);

    my_thumb.contentLoaderInfo.removeEventListener(Event.COMPLETE, thumbLoaded);
}

function callFull(e:MouseEvent):void
{
    var full_loader:Loader = new Loader();
    var full_url = my_images[e.target.name].@FULL;
    full_loader.load(new URLRequest(full_url));
    full_loader.contentLoaderInfo.addEventListener(Event.INIT, fullLoaded);

    var full_pb:ProgressBar = new ProgressBar(); //adding prgressBar to the full img
    full_pb.source = full_loader.contentLoaderInfo;
    full_pb.x = (stage.stageWidth - full_pb.width)/2;
    full_pb.y = (stage.stageHeight - full_pb.height)/2;
    preloaders_mc.addChild(full_pb);

    full_pb.addEventListener(Event.COMPLETE, donePb);

    miniaturki.removeEventListener(MouseEvent.CLICK, callFull);
    miniaturki.removeEventListener(MouseEvent.MOUSE_OVER, onOver);
    miniaturki.removeEventListener(MouseEvent.MOUSE_OUT, onOut);
    miniaturki.buttonMode = false;

    container_mc_tween = new Tween(miniaturki, "alpha", Strong.easeIn, 1,0.5,0.5, true);

}

function fullLoaded(e:Event):void
{
    var my_loader:Loader = Loader(e.target.loader);

    full_mc = new MovieClip();
    full_mc.buttonMode = true;

    full_mc.addChild(my_loader);

    addChild (full_mc);

    full_tween = new Tween(my_loader, "alpha", Strong.easeIn, 0,1,0.5, true);

    my_loader.x = (stage.stageWidth - my_loader.width)/2;
    my_loader.y = (stage.stageHeight - my_loader.height)/2;
    my_loader.addEventListener(MouseEvent.CLICK,removeFull);

    my_loader.contentLoaderInfo.removeEventListener(Event.COMPLETE, fullLoaded);
}

function removeFull(e:MouseEvent):void
{
    var my_loader:Loader = Loader (e.currentTarget);

    full_tween = new Tween(my_loader, "alpha", Strong.easeOut, 1,0,0.5, true);
    full_tween.addEventListener(TweenEvent.MOTION_FINISH, tweenFinished);

    container_mc_tween = new Tween(miniaturki, "alpha", Strong.easeOut, 0.5,1,0.5, true);
}

function tweenFinished (e:TweenEvent):void
{
    var my_loader:Loader = Loader (e.target.obj);
    my_loader.unload();
    full_mc.removeChild(my_loader);
    removeChild(full_mc);
    full_mc = null;
    miniaturki.buttonMode = true;
    miniaturki.addEventListener(MouseEvent.MOUSE_OVER, onOver);
    miniaturki.addEventListener(MouseEvent.MOUSE_OUT, onOut);
    miniaturki.addEventListener(MouseEvent.CLICK, callFull);

    var my_tween:Tween = Tween(e.target);
    my_tween.removeEventListener(TweenEvent.MOTION_FINISH, tweenFinished);
}

function onOver (e:MouseEvent):void
{
    var my_thumb:Loader = Loader(e.target);
    my_thumb.alpha = 0.5;
}

function onOut (e:MouseEvent):void
{
    var my_thumb:Loader = Loader (e.target);
    my_thumb.alpha = 1;
}

function onRemove(e:Event=null):void
{
    stage.removeEventListener(Event.RESIZE, onResizeDoc);
}

function callThumbs():void
{
    for (var i:Number = 0; i < my_total; i++)
    {
        var thumb_url = my_images[i].@THUMB;;
        var thumb_loader = new Loader();
        thumb_loader.load(new URLRequest(thumb_url));
        thumb_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, thumbLoaded);

        thumb_loader.name = i;

        //thumb_loader.x = (my_thumb_width+1000)*x_counter; - option from tutorial (grid gallery)

        //thumb_loader[i].x = currentX;
        //currentX += thumb_loader[i].width;    - option for line gallery

        var preloader_pb:ProgressBar = new ProgressBar(); //adding prgressBar to thumbs
        preloader_pb.source = thumb_loader.contentLoaderInfo;
        preloader_pb.x = thumb_loader.x;
        preloader_pb.y = thumb_loader.y;
        preloader_pb.width = my_thumb_width; // taking width for grid from xml file
        preloader_pb.height = my_thumb_height; // taking height for grid from xml file
        preloaders_mc.addChild(preloader_pb);

        preloader_pb.addEventListener(Event.COMPLETE, donePb);
    }
}

function donePb (e:Event):void
{
    var my_pb:ProgressBar = ProgressBar(e.target);
    preloaders_mc.removeChild(my_pb);

    my_pb.removeEventListener(Event.COMPLETE, donePb);
}

function thumbLoaded(e:Event):void
{
    var my_thumb:Loader = Loader(e.target.loader);
    miniaturki.addChild(my_thumb);

    my_tweens[Number(my_thumb.name)]=new Tween(my_thumb, "alpha", Strong.easeIn, 0,1,0.5, true);

    miniWidth = my_thumb.width; // traced width is the one that I need
    miniHeight = my_thumb.height;

    //var currentX:Number = 0;
    //e.target.loader.x =(my_thumb.width+1300)*1;
    //currentX += miniWidth + 25;

    trace(miniWidth);
    trace(miniHeight);

    my_thumb.contentLoaderInfo.removeEventListener(Event.COMPLETE, thumbLoaded);
}