//新图由小到大出现，旧图竖条百叶窗消失

/*

wcon.data["title"]
wcon.data["lastBuildDate"]

wcon.data["item"][0]["title"]
wcon.data["item"][0]["image"]

*/

import mx.transitions.*;
import mx.transitions.easing.*;
var db;
var loopFunc;	//@@@
var loopIdx;	//@@@
var parent=_parent._parent._parent._parent._parent
var scrWidth = parent.sys.stageWidth
var scrHeight = parent.sys.stageHeight - 44

var idm = 0;	//id manager
var idx = 0;	//index
var root = this
var duration = 3000;
var intervalID;

var twArr=[]
var status="PLAY"

function pause(){
	status="PAUSE";
	for(var i in twArr){ 
		twArr[i].stop()	
	}
}
function play(){
	status="PLAY";
	for(var i in twArr){ 
		twArr[i].resume()
	}
}

function init(dat,func){	//@@@
	db = dat
	loopFunc=func						//@@@
	this.createEmptyMovieClip("p_0",0)
	this.createEmptyMovieClip("p_1",1)
	p_0._x = p_1._x = scrWidth/2
	p_0._y = p_1._y = scrHeight/2
	intervalID = setInterval(root,"loop",duration)
}

function loop(){
	if(status == "PAUSE") return null;
	clearInterval(intervalID)
	
	var p = this["p_"+idm]
	p.swapDepths(2)
	p.con.removeMovieClip()
	p.createEmptyMovieClip("con",0)
	p.con.createEmptyMovieClip("pic",0)
	
	var conListener:Object = new Object();
	conListener.onLoadInit = function(target_mc:MovieClip) {
		if(target_mc._width>0){
			target_mc._x = -target_mc._width/2
			target_mc._y = -target_mc._height/2
			if(++idm>1) idm=0
			mtran(target_mc._parent)
		}else{
			loop()
		}
	}
	conListener.onLoadError = function(target_mc, errorCode) {
		loop()
	}
	
	var conLoader:MovieClipLoader = new MovieClipLoader();
	conLoader.addListener(conListener);
	conLoader.loadClip(db["item"][idx]["image"],p.con.pic);
	loopIdx=idx		//@@@
	if(++idx>db["item"].length-1) idx=0

}

function mtran(target) {
	//var root = this;
	loopFunc(loopIdx);		//@@@
	var t
	var d = 2
	
	var sx = target._width/scrWidth
	var sy = target._height/scrHeight
	var ts = 100
	if(sx>1||sy>1){		ts = 100/(sx>sy?sx:sy)	}
	//else{	ts = 100/(sx>sy?sx:sy)	}
	
	//var ts = target._height/scrHeight
	//ts = 100/ts

	t = new Tween(target, "_xscale", Regular.easeInOut, 0, ts, d, true);twArr.push(t);
	t = new Tween(target, "_yscale", Regular.easeInOut, 0, ts, d, true);twArr.push(t);
	t.onMotionFinished = function() {
		twArr=[];
		TransitionManager.start(root["p_"+idm].con, {type:Blinds, direction:Transition.OUT, duration:.5, easing:None.easeNone, numStrips:10, dimension:1}); 
		intervalID = setInterval(root,"loop",duration)
	};

}