import mx.transitions.Tween;
import flash.external.ExternalInterface;
pageRefresh = true;
alert = function(value) {
	// print value to Firebug for debugging
	ExternalInterface.call("FB_Trace", value);
}
ExternalInterface.addCallback("updateSegment", this, updateSegment);
function updateSegment(num:Number):Void {
	_root.segment = num-1;
	resizeTimeline(divWidth, maxCols, num);
}
function setActivity(id):Void {
	ExternalInterface.call("set_activity", id);
	ExternalInterface.call("reload_responses", true);
}
function approveActivity(id):Void {
	ExternalInterface.call("moderator.approve_activity", id);
}
ExternalInterface.addCallback("resizeTimeline", this, resizeTimeline);
function resizeTimeline(newWidth, maxColumns):Void {
	if(!error) {
		maxCols = maxColumns;
		_root.divWidth = newWidth;
		_root.stageWidth = newWidth;
		timelineWidth = newWidth;
		Timeline.init();
	}
}

var duration:Number;
var error = 0;
if(!segment) var segment:Number;
var Project:Object = new Object();

// LOAD StyleSheet
_global.globalStyles = new TextField.StyleSheet();
_global.globalStyles.load("/stylesheets/timeline_flash.css");
_global.globalStyles.onLoad = function(success) {
	if(success) {
		loadXML();
	} else {
		error = 1;
		status_txt = "Error loading stylesheet";
	}
}
// LOAD Project Data
function loadXML() {
	var XMLData:XML = new XML();
	XMLData.load(timeline_data);
	XMLData.ignoreWhite = true;
	XMLData.onLoad = function(success:Boolean):Void
	{
		if(success) {
			l_mc._visible = false;
			parseThisMama(this);
			ExternalInterface.call("resizeTimeline", null);
			//Timeline.init(segment-1);
		} else {
			error = 1;
			l_mc._visible = false;
			status_txt.text = "Error loading data";
			alert("Error Loading XML");
		}
	}
}

function parseThisMama(xmlObj:XML):Void
{
	var rootNode = xmlObj.firstChild;
	aNum = 0;
	// get project site, name, id
	Project.length = rootNode.attributes['length'];
	Project.name = rootNode.attributes['name'];
	Project.id = rootNode.attributes['id'];
	Project.site = rootNode.attributes['site'];
	for(var aNode:XMLNode = rootNode.firstChild; aNode != null; aNode = aNode.nextSibling)
	{
		Project["segment"+aNum] = new Object();	bNum = 0;
		Project["segment"+aNum].length = aNode.attributes['length']*1;
		Project["segment"+aNum].day = aNode.attributes['day']*1;
		Project["segment"+aNum].name = aNode.attributes['name'];
		Project["segment"+aNum].participants = aNode.attributes['participants']*1;
		Project["segment"+aNum].id = aNode.attributes['id']*1;
		for(var bNode:XMLNode = aNode.firstChild; bNode != null; bNode = bNode.nextSibling)
		{
			Project["segment"+aNum]['activity'+bNum] = [];
			Project["segment"+aNum]['activity'+bNum].status = bNode.attributes['status'];
			Project["segment"+aNum]['activity'+bNum].visibility = bNode.attributes['visibility'];
			Project["segment"+aNum]['activity'+bNum].day = bNode.attributes['day']*1;
			Project["segment"+aNum]['activity'+bNum].type = bNode.attributes['type'];
			Project["segment"+aNum]['activity'+bNum].edit = bNode.attributes['edit'];
			Project["segment"+aNum]['activity'+bNum].id = bNode.attributes['id']*1;
			Project["segment"+aNum]['activity'+bNum].responses = bNode.attributes['responses']*1;
			Project["segment"+aNum]['activity'+bNum].value = bNode.firstChild;
			bNum ++;
		}
		Project["segment"+aNum].children = bNum;
		aNum ++;
	}
	Project.segments = aNum;
}

// TIMELINE
var bgColor = 0xFFFFFF;
var bgToday = 0xFFCC66;
var borderColor = 0xD6D6C5;
var colWidth;
var colHeight;
var padding = 11;
var timelineWidth = _root.stageWidth-padding;
var colWidth;
var maxCols = 4;
var movieHeight;
var Timeline:Object = new Object();
Timeline.init = function(num:Number):Void
{
	createEmptyMovieClip("mc", 1);
	Timeline.rowValues = [];
	_root.duration = Project.length;
	attachMovie("key", "key", 1000);
	attachMovie('status_bar','status_bar', 0);
	if(Project.length <= maxCols) {
		status_bar.arrow_right._visible = false;
		status_bar.arrow_left._visible = false;
	}
	for(i=0; i<40; i++){
		Timeline.rowValues.push(0);
	}
	Timeline.populate();
}
Timeline.populate = function():Void
{
	//_root.segment = segment;
	displayLength = Project.length < maxCols ? Project.length : maxCols;
	colWidth = Math.floor(timelineWidth/displayLength);
	timelineWidth = colWidth*Project.length;
	segment = isNaN(segment) ? "all" : segment;
	if(segment != "all") {
		// Convert segment id into array index
		for(j=0;j<Project.segments;j++) {
			if((Project["segment"+j].id*1)-1 == segment) {
				segment = j;
				break;
			}
		}
	}
	// for all segments wrap inside another loop
	for(i=1;i<=Project.length; i++) {
		mc.attachMovie("keyNode", "keyNode"+i, i);
		mc["keyNode"+i].day = i;
		mc["keyNode"+i].segment = segment;
		mc["keyNode"+i].w = colWidth;
		mc["keyNode"+i].border_mc._height = movieHeight-40;
		mc["keyNode"+i]._x = padding+(i-1)*(colWidth);
	}
}

setMovieHeight = function() {
	if(pageRefresh) {
		colActivityTotals = 0;
		for(i=0; i<=Project.length; i++) {
			if(mc["keyNode"+i].getRows() > colActivityTotals) {
				colActivityTotals = mc["keyNode"+i].getRows();
			}
		}
		colActivityTotals = colActivityTotals < 2 ? 2 : colActivityTotals+1;
		_root.movieHeight = ((colActivityTotals)*48)+60;
		ExternalInterface.call("setFlashObjectHeight", movieHeight);
		pageRefresh = false;
	}
	for(i=0; i<=Project.length; i++) {
		mc["keyNode"+i].border_mc._height = (movieHeight-40);
		mc["keyNode"+i].day_txt._y = movieHeight-83;
		mc["keyNode"+i].today_txt._y = movieHeight-55
		key.day._y = movieHeight-70;
	}

	status_bar._y = movieHeight;
	key.key_bg._height = movieHeight-40;
}
// NEED MORE COLORS!
colors = ["0xfa8f0f", "0xade78f", "0x8fdae7", "0x336699", "0xFF3366", "0xCC33CC"];
generateColor = function(num):String {
	return colors[num];
}
var setTimeOut;
showDropDown = function(x, y, hash) {
	mc["keyNode"+curHighlight].select();
	clearInterval(setTimeOut);
	if(x) {
		mc.attachMovie('dropdown_mc', 'dropdown', 2000);
		mc.dropdown._x = -2000;
	}
	mc.dropdown.id = hash.id;
	mc.dropdown.responses = hash.responses;
	mc.dropdown.visibility = hash.visibility;
	mc.dropdown.value = hash.value;
	mc.dropdown.status = hash.status;
	mc.dropdown.day = hash.day;
	mc.dropdown.edit = hash.edit;
	mc.dropdown.segment = hash.segment;
	if(x) mc.dropdown._x = x;
	if(y) mc.dropdown._y = y;
	if(x) {
		if((x+mc._x)> (_root.stageWidth-220)) {
			mc.dropdown.gotoAndStop(2);
		}
	}
}
hideDropDown = function() {
	mc["keyNode"+curHighlight].deselect();
	setTimeOut = setInterval(function() {
		mc.dropdown.fade();
		clearInterval(setTimeOut);
	  }, 600);
}
scrollTimeline = function(dir) {
	if(!inMotion) {
		inMotion = 1;
		total = Project.length;
		vis = maxCols;
		scrollLength = 4;
		// scroll by scrollLength * colWidth at a time unless there are less then scrollLength to go
		if(dir == 1) {
			neg = -(mc._x*1)/colWidth;
			colsToGo = total-(vis+neg);
			num = colsToGo < scrollLength ? ((colsToGo*colWidth)*dir) : ((scrollLength*colWidth)*dir);
		} else {
			neg = -(mc._x*1)/colWidth;
			colsToGo = neg;
			num = colsToGo < scrollLength ? ((colsToGo*colWidth)*dir) : ((scrollLength*colWidth)*dir);
		}
		var myTween:Tween = new Tween(mc, "_x", mx.transitions.easing.Regular.easeOut,mc._x, mc._x-num, 8, false);
		myTween.start();
		myTween.onMotionFinished = function() {
			inMotion = 0;
			if(dir == 1 and colsToGo <= 4) {
				status_bar.arrow_right.disable();
			} else {
				status_bar.arrow_right.enable();
			}
			if(mc._x == 0) {
				status_bar.arrow_left.disable();
			} else {
				status_bar.arrow_left.enable();
			}
		}
	}
}