Annotation of /contrib/plugins/grade/report/visual/flare_visualization/flare_visualization.as

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Revision 1.4 - (view) (download)

1 :	dservos	1.2	///////////////////////////////////////////////////////////////////////////
2 :			// //
3 :			// NOTICE OF COPYRIGHT //
4 :			// //
5 :			// Moodle - Modular Object-Oriented Dynamic Learning Environment //
6 :			// http://moodle.org //
7 :			// //
8 :			// Copyright (C) 1999 onwards Martin Dougiamas http://moodle.com //
9 :			// //
10 :			// This program is free software; you can redistribute it and/or modify //
11 :			// it under the terms of the GNU General Public License as published by //
12 :			// the Free Software Foundation; either version 2 of the License, or //
13 :			// (at your option) any later version. //
14 :			// //
15 :			// This program is distributed in the hope that it will be useful, //
16 :			// but WITHOUT ANY WARRANTY; without even the implied warranty of //
17 :			// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
18 :			// GNU General Public License for more details: //
19 :			// //
20 :			// http://www.gnu.org/copyleft/gpl.html //
21 :			// //
22 :			///////////////////////////////////////////////////////////////////////////
23 :
24 :			/**
25 :			* This is the flex with flare based visualizer for the Moodle 2.x visual
26 :			* grade book plug-in. This should load the grade book data for a given
27 :			* visualization from the report/visual plug-in based on a set of flashvars
28 :			* passed to it from Moodle and display a visual repersenation.
29 :			*/
30 :	dservos	1.1	package {
31 :	dservos	1.2	//Flare imports
32 :	dservos	1.1	import flare.animate.Transitioner;
33 :			import flare.data.DataSet;
34 :			import flare.data.DataSource;
35 :			import flare.display.TextSprite;
36 :			import flare.vis.Visualization;
37 :			import flare.vis.controls.HoverControl;
38 :			import flare.vis.data.Data;
39 :			import flare.vis.data.DataSprite;
40 :	dservos	1.4	import flare.vis.data.EdgeSprite;
41 :			import flare.vis.data.NodeSprite;
42 :	dservos	1.1	import flare.vis.legend.Legend;
43 :	dservos	1.2	import flare.vis.legend.LegendItem;
44 :	dservos	1.1	import flare.vis.operator.encoder.ColorEncoder;
45 :	dservos	1.3	import flare.vis.operator.encoder.Encoder;
46 :	dservos	1.1	import flare.vis.operator.encoder.ShapeEncoder;
47 :	dservos	1.3	import flare.vis.operator.encoder.SizeEncoder;
48 :	dservos	1.1	import flare.vis.operator.layout.AxisLayout;
49 :	dservos	1.3	import flare.vis.operator.layout.CircleLayout;
50 :			import flare.vis.operator.layout.DendrogramLayout;
51 :			import flare.vis.operator.layout.ForceDirectedLayout;
52 :			import flare.vis.operator.layout.IndentedTreeLayout;
53 :			import flare.vis.operator.layout.Layout;
54 :			import flare.vis.operator.layout.NodeLinkTreeLayout;
55 :			import flare.vis.operator.layout.PieLayout;
56 :			import flare.vis.operator.layout.RadialTreeLayout;
57 :			import flare.vis.operator.layout.RandomLayout;
58 :			import flare.vis.operator.layout.StackedAreaLayout;
59 :			import flare.vis.operator.layout.TreeMapLayout;
60 :			import flare.vis.scale.Scale;
61 :	dservos	1.1	import flare.vis.util.Filters;
62 :	dservos	1.4	import flare.vis.util.graphics.Shapes;
63 :	dservos	1.1
64 :			import flash.display.DisplayObject;
65 :			import flash.display.DisplayObjectContainer;
66 :			import flash.display.Sprite;
67 :	dservos	1.3	import flash.errors.IOError;
68 :	dservos	1.1	import flash.events.Event;
69 :	dservos	1.3	import flash.events.IOErrorEvent;
70 :	dservos	1.1	import flash.events.MouseEvent;
71 :			import flash.filters.GlowFilter;
72 :			import flash.geom.Rectangle;
73 :			import flash.net.URLLoader;
74 :	dservos	1.3	import flash.net.URLRequest;
75 :			import flash.text.TextField;
76 :	dservos	1.1	import flash.text.TextFormat;
77 :	dservos	1.4	import flash.utils.Dictionary;
78 :	dservos	1.1
79 :			[SWF(width="800", height="600", backgroundColor="#ffffff", frameRate="30")]
80 :	dservos	1.2	/**
81 :			* Main class for handling grade book data and greatating a visualization.
82 :			*/
83 :	dservos	1.1	public class flare_visualization extends Sprite
84 :			{
85 :	dservos	1.2	/**
86 :			* The visualization object to be used in creating the visualization.
87 :			*/
88 :	dservos	1.1	private var vis:Visualization;
89 :	dservos	1.2
90 :			/**
91 :			* A refernce to the currently displayed dialog box. If null no dialog
92 :			* box is currently being displayed.
93 :			*/
94 :	dservos	1.1	private var lastBox:Sprite = null;
95 :	dservos	1.2
96 :			/**
97 :			* A refernce to the data sprite witch contains the data for witch the
98 :			* currently displayed dialog box is based on and a child of.
99 :			*/
100 :	dservos	1.1	private var lastBoxData:DataSprite = null;
101 :	dservos	1.2
102 :			/**
103 :			* A container for the legends witch will be displayed on the righ hand
104 :			* side.
105 :			*/
106 :			private var legends:Sprite;
107 :
108 :	dservos	1.4	private var sideBar:Sprite;
109 :
110 :			private var layout:Layout;
111 :
112 :			private var encoders:Array;
113 :
114 :			private var selectors:Sprite;
115 :
116 :			private var controls:Sprite;
117 :
118 :	dservos	1.2	/**
119 :			* The hover control for the dialog box.
120 :			*/
121 :			private var boxhc:HoverControl = new HoverControl();
122 :
123 :	dservos	1.3	private var settings:XML = new XML();
124 :
125 :			private var dataURL:String;
126 :
127 :			private var settingsURL:String;
128 :
129 :			private var loadingMessage:TextSprite;
130 :
131 :	dservos	1.4	private var legendNodes:Dictionary;
132 :			private var legendEdges:Dictionary;
133 :
134 :			private var invertTransitioner:Transitioner;
135 :			private var legendItemTransitioner:Transitioner;
136 :
137 :
138 :			private var nodeSize:int = 1;
139 :
140 :			private var errors:Sprite = new Sprite();
141 :
142 :			private var debug:Boolean = false;
143 :
144 :			private var debug_sessionid:String = "efd5b947db79fc51197b70da3b3a3c5d";
145 :			private var debug_sessiontest:String = "bw8XexZ32g";
146 :			private var debug_sessioncookie:String = "";
147 :			private var debug_visid:String = "grades_vs_students";
148 :			private var debug_wwwroot:String = "http://localhost/moodle";
149 :			private var debug_courseid:String = "3";
150 :
151 :
152 :	dservos	1.2	/**
153 :			* The constucter for the flare_visualization class.
154 :			* Calls on harvest_data and sets up the varibles from the flashvars.
155 :			*/
156 :	dservos	1.1	public function flare_visualization()
157 :			{
158 :	dservos	1.3	loadingMessage = new TextSprite("Loading....", new TextFormat("monospace", 20, 0x0000FF, true));
159 :			addChild(loadingMessage);
160 :	dservos	1.4	addChild(errors);
161 :	dservos	1.3
162 :	dservos	1.2	// Call harvest_data, loading needed visualization data from moodle.
163 :			// The Moodle wwwroot, course id, users sessionid, users session cookie
164 :			// and session test data are needed to get the data from moodle are
165 :			// loaded threw flashvars.
166 :	dservos	1.3	loaderInfo.addEventListener(Event.COMPLETE, function(evt:Event):void {
167 :	dservos	1.4	var wwwroot:String = loaderInfo.parameters['wwwroot'];
168 :			var courseID:String = loaderInfo.parameters['courseid'];
169 :			var sessioncookie:String = loaderInfo.parameters['sessioncookie'];
170 :			var sessionid:String = loaderInfo.parameters['sessionid'];
171 :			var sessiontest:String = loaderInfo.parameters['sessiontest'];
172 :			var visid:String = loaderInfo.parameters['visid'];
173 :
174 :			if(debug) {
175 :			trace("Debug mode on.");
176 :			wwwroot = debug_wwwroot;
177 :			courseID = debug_courseid;
178 :			sessioncookie = debug_sessioncookie;
179 :			sessionid = debug_sessionid;
180 :			sessiontest = debug_sessiontest;
181 :			visid = debug_visid;
182 :			}
183 :
184 :			dataURL = wwwroot + '/grade/report/visual/data.php?id=' + escape(courseID) + '&sessioncookie=' + escape(sessioncookie) + '&sessionid=' + escape(sessionid) + '&sessiontest=' + escape(sessiontest) + '&visid=' + escape(visid);
185 :			settingsURL = wwwroot + '/grade/report/visual/visual_settings.php?id=' + escape(courseID) + '&sessioncookie=' + escape(sessioncookie) + '&sessionid=' + escape(sessionid) + '&sessiontest=' + escape(sessiontest) + '&visid=' + escape(visid);
186 :
187 :	dservos	1.3	harvest_data();
188 :			});
189 :	dservos	1.1	}
190 :
191 :	dservos	1.2	/**
192 :			* Harvests the data from Moodle and calls on buildVis to build the
193 :			* visualization once the data has been loaded.
194 :			* TODO: Add a loading bar and more feed back about the loading process.
195 :			* @param url The url from witch to load the tab formated data for the visualization.
196 :			*/
197 :	dservos	1.3	public function harvest_data():void
198 :	dservos	1.1	{
199 :	dservos	1.3	loadingMessage.text ="Loading Settings....";
200 :			loadingMessage.x = loaderInfo.width/2 - loadingMessage.width/2;
201 :			loadingMessage.y = loaderInfo.height/2 - loadingMessage.height/2;
202 :
203 :
204 :			try{
205 :			var ds:DataSource = new DataSource(dataURL, "tab");
206 :			var settingsRequest:URLRequest = new URLRequest(settingsURL);
207 :			var settingsLoader:URLLoader = new URLLoader(settingsRequest);
208 :
209 :			settingsLoader.addEventListener(IOErrorEvent.IO_ERROR, function(evt:IOErrorEvent):void {
210 :			error("Loading", evt.text);
211 :			});
212 :
213 :			settingsLoader.addEventListener(Event.COMPLETE, function(evt:Event):void {
214 :			try{
215 :			settings = XML(settingsLoader.data);
216 :			loadingMessage.text = "Loading Data....";
217 :	dservos	1.4
218 :	dservos	1.3	var dataLoader:URLLoader = ds.load();
219 :
220 :			dataLoader.addEventListener(IOErrorEvent.IO_ERROR, function(evt:IOErrorEvent):void {
221 :			error("Loading", evt.text);
222 :			});
223 :
224 :			dataLoader.addEventListener(Event.COMPLETE, function(evt:Event):void {
225 :	dservos	1.4	removeChild(loadingMessage);
226 :	dservos	1.3	var data:DataSet = dataLoader.data as DataSet;
227 :			buildVis(Data.fromDataSet(data));
228 :			});
229 :			} catch(e:Error) {
230 :			error("", e.message);
231 :			}
232 :			});
233 :			} catch(e:IOError) {
234 :			error("IO", e.message);
235 :			} catch(e:Error) {
236 :			error("", e.message)
237 :			}
238 :			}
239 :
240 :	dservos	1.4	public function updateVis(data:Data):void {
241 :			var t:Transitioner = new Transitioner(2);
242 :			makeEdges(data);
243 :			vis.data = data;
244 :			setUpEncoders();
245 :			setDataProperties();
246 :			setUpLegends();
247 :			setUpLayout();
248 :			//for(var i:int = 0; i < legends.numChildren; i++){
249 :			//Legend(legends.getChildAt(i)).update(t);
250 :			//}
251 :			t.$(selectors).y = legends.height;
252 :			t.$(controls).y = legends.height + selectors.height + 10;
253 :			vis.update(t).play();
254 :			}
255 :
256 :			public function reharvest_data(url:String):void {
257 :			loadingMessage.text ="Loading Data....";
258 :			addChild(loadingMessage);
259 :
260 :			try{
261 :			var ds:DataSource = new DataSource(url, "tab");
262 :			var dataLoader:URLLoader = ds.load();
263 :
264 :			dataLoader.addEventListener(IOErrorEvent.IO_ERROR, function(evt:IOErrorEvent):void {
265 :			error("Loading", evt.text);
266 :			});
267 :
268 :			dataLoader.addEventListener(Event.COMPLETE, function(evt:Event):void {
269 :			removeChild(loadingMessage);
270 :			var data:DataSet = dataLoader.data as DataSet;
271 :			updateVis(Data.fromDataSet(data));
272 :			});
273 :			}catch(e:IOError) {
274 :			error("IO", e.message);
275 :			} catch(e:Error) {
276 :			error("", e.message)
277 :			}
278 :			}
279 :
280 :	dservos	1.3	private function error(type:String = "", text:String = ""):void {
281 :			trace(type + " Error: " + text);
282 :
283 :			var textfield:TextField = new TextSprite(type + " Error: " + text, new TextFormat("monospace", 12, 0xFF0000, true)).textField;
284 :			textfield.wordWrap = true;
285 :	dservos	1.4	textfield.x = 0;
286 :			textfield.y = errors.height;
287 :	dservos	1.3
288 :	dservos	1.4	errors.addChild(textfield);
289 :	dservos	1.1	}
290 :
291 :	dservos	1.2	/**
292 :			* Find the max width between a container and all of it's decendence
293 :			* This dose not find the width of a container but the greatest width
294 :			* of an invdual component in it's decenedences.
295 :			* @param d The display container to find the max width of.
296 :			* @return the max width value of the display objects.
297 :			*/
298 :	dservos	1.1	private function getMaxWidth(d:DisplayObjectContainer):int {
299 :			var max:int = d.width;
300 :
301 :	dservos	1.2	for(var k:uint = 0; k < d.numChildren; k++ ) {
302 :	dservos	1.1	var width:int = 0;
303 :
304 :			if(d.getChildAt(k) is DisplayObjectContainer) {
305 :			width = getMaxWidth(DisplayObjectContainer(d.getChildAt(k)));
306 :			} else {
307 :			width = d.getChildAt(k).width;
308 :			}
309 :
310 :			if(width > max) {
311 :			max = width;
312 :			}
313 :			}
314 :
315 :			return max;
316 :			}
317 :
318 :	dservos	1.2	/**
319 :			* Simple function to retrun the greatest of two ints.
320 :			* @param num1 the first number to test
321 :			* @param num2 the second number to test
322 :			* @return the largest value between num1 and num2.
323 :			*/
324 :	dservos	1.1	private function max(num1:int, num2:int):int {
325 :			if(num1 > num2) {
326 :			return num1;
327 :			} else {
328 :			return num2;
329 :			}
330 :			}
331 :
332 :	dservos	1.2	/**
333 :			* Find the max height between a container and all of it's decendence
334 :			* This dose not find the width of a container but the greatest height
335 :			* of an invdual component in it's decenedences.
336 :			* @param d The display container to find the max height of.
337 :			* @return the max height value of the display objects.
338 :			*/
339 :	dservos	1.1	private function getMaxHeight(d:DisplayObjectContainer):int {
340 :			var max:int = d.height;
341 :
342 :	dservos	1.2	for(var k:uint = 0; k < d.numChildren; k++ ) {
343 :	dservos	1.1	var height:int = 0;
344 :
345 :			if(d.getChildAt(k) is DisplayObjectContainer) {
346 :			height = getMaxHeight(DisplayObjectContainer(d.getChildAt(k)));
347 :			} else {
348 :			height = d.getChildAt(k).height;
349 :			}
350 :
351 :			if(height > max) {
352 :			max = height;
353 :			}
354 :			}
355 :
356 :			return max;
357 :			}
358 :
359 :	dservos	1.3	private function nullify(o:*):* {
360 :			if(isnull(o)) {
361 :			return null;
362 :			} else {
363 :			return o;
364 :			}
365 :			}
366 :
367 :			private function isnull(o:*):Boolean {
368 :			if(o == null || o.length == 0 || String(o).length == 0) {
369 :			return true;
370 :			} else {
371 :			return false;
372 :			}
373 :			}
374 :
375 :			private function booleanify(o:*):* {
376 :			var ob:Object = nullify(o);
377 :
378 :			if(String(ob).toLocaleLowerCase() == "false") {
379 :			return false;
380 :			} else if (String(ob).toLocaleLowerCase() == "true") {
381 :			return true;
382 :			}
383 :
384 :			return ob;
385 :			}
386 :
387 :			private function passSettings(theClass:Class, XMLSettings:XMLList, ... args):* {
388 :			var params:Array = new Array();
389 :	dservos	1.4	var cleanParam:*;
390 :	dservos	1.3
391 :			for each(var arg:* in args) {
392 :			params.push(arg);
393 :			}
394 :
395 :			for each(var param:* in XMLSettings) {
396 :	dservos	1.4	cleanParam = booleanify(param);
397 :	dservos	1.3	if(cleanParam != null) {
398 :			params.push(cleanParam);
399 :			}
400 :			}
401 :
402 :			switch(params.length) {
403 :			case 1: return new theClass(params[0]);
404 :			case 2: return new theClass(params[0], params[1]);
405 :			case 3: return new theClass(params[0], params[1], params[2]);
406 :			case 4: return new theClass(params[0], params[1], params[2], params[3]);
407 :			case 5: return new theClass(params[0], params[1], params[2], params[3], params[4]);
408 :			case 6: return new theClass(params[0], params[1], params[2], params[3], params[4], params[5]);
409 :			case 7: return new theClass(params[0], params[1], params[2], params[3], params[4], params[5], params[6]);
410 :			case 8: return new theClass(params[0], params[1], params[2], params[3], params[4], params[5], params[6], params[7]);
411 :			case 9: return new theClass(params[0], params[1], params[2], params[3], params[4], params[5], params[6], params[7], params[8]);
412 :			case 10: return new theClass(params[0], params[1], params[2], params[3], params[4], params[5], params[6], params[7], params[8], params[9]);
413 :			default: return new theClass();
414 :			}
415 :			}
416 :
417 :			private function toStringArray(xmllist:XMLList):Object {
418 :			if(xmllist.length() > 1) {
419 :			var array:Array = new Array;
420 :
421 :			for each(var element:XML in xmllist) {
422 :			array.push(String(element));
423 :			}
424 :
425 :			return array;
426 :			} else {
427 :			return String(xmllist);
428 :			}
429 :			}
430 :
431 :			private function toNumberArray(xmllist:XMLList):Object {
432 :			if(xmllist.length() > 1) {
433 :			var array:Array = new Array;
434 :
435 :			for each(var element:XML in xmllist) {
436 :			array.push(Number(element));
437 :			}
438 :
439 :			return array;
440 :			} else {
441 :			return Number(xmllist);
442 :			}
443 :			}
444 :	dservos	1.4
445 :			private function makeEdges(data:Data):void {
446 :			if(!isnull(settings.edge)) {
447 :	dservos	1.3	for each(var edge:XML in settings.edge) {
448 :			data.createEdges(toStringArray(edge.sortby), toStringArray(edge.groupby));
449 :			}
450 :			}
451 :	dservos	1.4	}
452 :
453 :			private function setDataProperties():void {
454 :			vis.data.nodes.visit(function(d:DataSprite):void {
455 :			if(!isnull(settings.style.nodeshape)) {
456 :			d.shape = settings.style.nodeshape;
457 :			}
458 :
459 :			if(d.shape == Shapes.HORIZONTAL_BAR || d.shape == Shapes.VERTICAL_BAR) {
460 :			nodeSize = 2;
461 :			}
462 :
463 :			d.size = nodeSize;
464 :			d.fillColor = 0x018888ff;
465 :			d.fillAlpha = 0.2;
466 :			d.addEventListener(MouseEvent.CLICK, mouseClicked);
467 :			d.lineWidth = 2;
468 :			});
469 :
470 :			vis.data.edges.visit(function(d:DataSprite):void {
471 :			if(!isnull(settings.style.edgeshape)) {
472 :			d.shape = settings.style.edgeshape;
473 :			}
474 :			d.lineWidth = 2;
475 :			d.fillAlpha = 1;
476 :			});
477 :			}
478 :
479 :			private function setUpLayout():void {
480 :			vis.operators.remove(layout);
481 :			layout = null;
482 :
483 :			// Set up the layout
484 :	dservos	1.3	switch(int(settings.layout.type)) {
485 :			case 1: layout = passSettings(AxisLayout, settings.layout.setting, settings.layout.xaxis.field, settings.layout.yaxis.field);
486 :			break;
487 :			case 2: layout = passSettings(CircleLayout, settings.layout.setting);
488 :			break;
489 :			case 3: layout = passSettings(DendrogramLayout, settings.layout.setting);
490 :			break;
491 :			case 4: layout = passSettings(ForceDirectedLayout, settings.layout.setting);
492 :			break;
493 :			case 5: layout = passSettings(IndentedTreeLayout, settings.layout.setting);
494 :			break;
495 :			case 6: layout = passSettings(NodeLinkTreeLayout, settings.layout.setting);
496 :			break;
497 :			case 7: layout = passSettings(PieLayout, settings.layout.setting);
498 :			break;
499 :			case 8: layout = passSettings(RadialTreeLayout, settings.layout.setting);
500 :			break;
501 :			case 9: layout = new RandomLayout();
502 :			break;
503 :			case 10: layout = passSettings(StackedAreaLayout, settings.layout.setting);
504 :			break;
505 :			case 11: layout = new TreeMapLayout();
506 :			break;
507 :			default: layout = passSettings(AxisLayout, settings.layout.setting, settings.layout.xaxis.field, settings.layout.yaxis.field);
508 :			break;
509 :			}
510 :	dservos	1.4
511 :	dservos	1.3	vis.operators.add(layout);
512 :	dservos	1.4	}
513 :
514 :			private function setUpEncoders():void {
515 :			var e:Encoder;
516 :
517 :			for each(var enc:Encoder in encoders) {
518 :			vis.operators.remove(enc);
519 :			}
520 :
521 :			// Set up the encoders
522 :			encoders = new Array();
523 :	dservos	1.3
524 :			for each(var encoder:XML in settings.encoder) {
525 :			switch(int(encoder.type)) {
526 :			case 1: e = passSettings(ColorEncoder, encoder.setting, encoder.datafield);
527 :			break;
528 :			case 2: e = passSettings(ShapeEncoder, encoder.setting, encoder.datafield);
529 :			break;
530 :			case 3: e = passSettings(SizeEncoder, encoder.setting, encoder.datafield);
531 :			break;
532 :			default: e = passSettings(ColorEncoder, encoder.setting, encoder.datafield);
533 :			break;
534 :			}
535 :
536 :			encoders[encoder.id] = e;
537 :			vis.operators.add(e);
538 :			}
539 :	dservos	1.4	}
540 :
541 :			private function setUpLegends():void {
542 :			var dataName:String;
543 :
544 :			for(var i:int = 0; i < legends.numChildren; i++){
545 :			for(var k:int = 0; k < Legend(legends.getChildAt(i)).items.numChildren; k++) {
546 :			Legend(legends.getChildAt(i)).items.removeChildAt(k);
547 :			}
548 :			legends.removeChildAt(i);
549 :			}
550 :
551 :			legendNodes = new Dictionary();
552 :			legendEdges = new Dictionary();
553 :
554 :			if(!isnull(settings.legend)) {
555 :			var nextLegendY:int = 0;
556 :			for each(var legend:XML in settings.legend) {
557 :			var en:Encoder = encoders[legend.encoderid];
558 :			var l:Legend;
559 :
560 :			switch(int(settings.encoder.(id == int(legend.encoderid)).type)) {
561 :			case 1: l = new Legend(en.source, en.scale, ColorEncoder(en).colors);
562 :			break;
563 :			case 2: l = new Legend(en.source, en.scale, null, ShapeEncoder(en).shapes);
564 :			break;
565 :			case 3: l = new Legend(en.source, en.scale, null, null, SizeEncoder(en).sizes);
566 :			break;
567 :			default: l = new Legend(en.source, en.scale, ColorEncoder(en).colors);
568 :			break;
569 :			}
570 :
571 :			l.x = 0;
572 :			l.y = nextLegendY;
573 :			nextLegendY += l.height;
574 :
575 :			//l.items.addEventListener(MouseEvent.CLICK, legendClick);
576 :
577 :			var lhc:HoverControl = new HoverControl(l.items);
578 :			lhc.onRollOver = legendRollOver;
579 :			lhc.onRollOut = legendRollOut;
580 :
581 :			legends.addChild(l);
582 :
583 :			dataName = l.dataField.substr(l.dataField.lastIndexOf('.') + 1);
584 :			for(var j:int = 0; j < l.items.numChildren; j++) {
585 :			l.items.getChildAt(j).addEventListener(MouseEvent.CLICK, legendClick);
586 :
587 :			legendNodes[LegendItem(l.items.getChildAt(j))] = new Array();
588 :			legendEdges[LegendItem(l.items.getChildAt(j))] = new Array();
589 :
590 :			vis.data.nodes.visit(function(n:NodeSprite):void {
591 :			if(n.data.hasOwnProperty(dataName) && LegendItem(l.items.getChildAt(j)).value == n.data[dataName]) {
592 :			(legendNodes[LegendItem(l.items.getChildAt(j))] as Array).push(n);
593 :			}
594 :			});
595 :
596 :			vis.data.edges.visit(function(e:EdgeSprite):void {
597 :			if(e.data.hasOwnProperty(dataName) && LegendItem(l.items.getChildAt(j)).value == e.data[dataName]) {
598 :			(legendEdges[LegendItem(l.items.getChildAt(j))] as Array).push(e);
599 :			}
600 :			});
601 :
602 :			if(XMLList(legend.show).length() > 0 && !XMLList(legend.show).contains(LegendItem(l.items.getChildAt(j)).value)) {
603 :			LegendItem(l.items.getChildAt(j)).alpha = 0.4;
604 :			}
605 :			}
606 :			}
607 :
608 :
609 :			removeLegenedItemsNodes();
610 :			}
611 :			}
612 :
613 :			/**
614 :			* Builds the visualization based on the loaded data.
615 :			* Also sets up the legends, buttons and controls.
616 :			* @param data The data that was loaded in from moodle.
617 :			*/
618 :			private function buildVis(data:Data):void
619 :			{
620 :			makeEdges(data);
621 :
622 :			vis = new Visualization(data);
623 :			legends = new Sprite();
624 :			sideBar = new Sprite();
625 :
626 :			// Set the functions to be called when a dialog box is hovered over.
627 :			boxhc.onRollOver = boxRollOver;
628 :			boxhc.onRollOut = boxRollOut;
629 :	dservos	1.1
630 :	dservos	1.4	// Set up the properitys of the data sprites and add a eventlistener to check for
631 :			// clicks on them.
632 :			setDataProperties();
633 :
634 :			setUpEncoders();
635 :
636 :			// Set up the legends.
637 :			setUpLegends();
638 :
639 :			setUpLayout();
640 :	dservos	1.1
641 :	dservos	1.3	if(!isnull(settings.layout.yaxis.labelformat)) {
642 :			vis.xyAxes.yAxis.labelFormat = settings.layout.yaxis.labelformat;
643 :			} else {
644 :			vis.xyAxes.yAxis.labelFormat = "0";
645 :			}
646 :
647 :			if(!isnull(settings.layout.xaxis.labelformat)) {
648 :			vis.xyAxes.xAxis.labelFormat = settings.layout.xaxis.labelformat;
649 :			} else {
650 :			vis.xyAxes.xAxis.labelFormat = "0";
651 :			}
652 :
653 :			if(!isnull(settings.layout.xaxis.min)) {
654 :			vis.xyAxes.xAxis.axisScale.min = settings.layout.xaxis.min;
655 :			vis.xyAxes.xAxis.axisScale.flush = true;
656 :			}
657 :
658 :			if(!isnull(settings.layout.xaxis.max)) {
659 :			vis.xyAxes.xAxis.axisScale.max = settings.layout.xaxis.max;
660 :			vis.xyAxes.xAxis.axisScale.flush = true;
661 :			}
662 :
663 :			if(!isnull(settings.layout.yaxis.min)) {
664 :			vis.xyAxes.yAxis.axisScale.min = settings.layout.yaxis.min;
665 :			}
666 :
667 :			if(!isnull(settings.layout.yaxis.max)) {
668 :			vis.xyAxes.yAxis.axisScale.max = settings.layout.yaxis.max;
669 :			}
670 :
671 :			if(!isnull(settings.layout.yaxis.yoffset)) {
672 :			vis.xyAxes.yAxis.labelOffsetY = settings.layout.yaxis.yoffset;
673 :			}
674 :
675 :			if(!isnull(settings.layout.yaxis.xoffset)) {
676 :			vis.xyAxes.yAxis.labelOffsetX = settings.layout.yaxis.xoffset;
677 :			}
678 :
679 :			if(!isnull(settings.layout.xaxis.yoffset)) {
680 :			vis.xyAxes.xAxis.labelOffsetY = settings.layout.xaxis.yoffset;
681 :			}
682 :
683 :			if(!isnull(settings.layout.xaxis.xoffset)) {
684 :			vis.xyAxes.xAxis.labelOffsetX = settings.layout.xaxis.xoffset;
685 :			}
686 :
687 :	dservos	1.4	// Set up the layout of the axes.
688 :			vis.xyAxes.xAxis.horizontalAnchor = TextSprite.LEFT;
689 :			vis.xyAxes.xAxis.verticalAnchor = TextSprite.MIDDLE;
690 :			vis.xyAxes.xAxis.labelAngle = Math.PI / 2;
691 :			vis.xyAxes.xAxis.fixLabelOverlap = false;
692 :			vis.xyAxes.yAxis.fixLabelOverlap = false;
693 :
694 :
695 :			// Update the visualization so the widths and other values are correct.
696 :	dservos	1.1	vis.update();
697 :
698 :	dservos	1.2	// Initalize the X and Y axis labels and the visualizations title.
699 :	dservos	1.3	var labelX:TextSprite = new TextSprite(settings.labels.xaxis, new TextFormat(settings.style.text.font, settings.style.text.size));
700 :			var labelY:TextSprite = new TextSprite(settings.labels.yaxis, new TextFormat(settings.style.text.font, settings.style.text.size));
701 :			var title:TextSprite = new TextSprite(settings.labels.title, new TextFormat(settings.style.text.font, int(settings.style.text.size) + 5));
702 :	dservos	1.1
703 :	dservos	1.2	// Find the largest width out of the X axis labels so it can used for positing sprites.
704 :			var xLabelsHeight:int = getMaxHeight(vis.xyAxes.xAxis.labels);
705 :			var yLabelsWidth:int = getMaxWidth(vis.xyAxes.yAxis.labels);
706 :
707 :			// Position the visualization.
708 :	dservos	1.1	vis.y = title.height + 10;
709 :	dservos	1.2	vis.x = labelY.height + -vis.xyAxes.yAxis.labelOffsetX + yLabelsWidth;
710 :	dservos	1.1
711 :	dservos	1.4
712 :
713 :			legendItemTransitioner = new Transitioner(0.5);
714 :			sideBar.addChild(legends);
715 :
716 :			selectors = new Sprite();
717 :			if(!isnull(settings.selector)) {
718 :			for each(var selector:XML in settings.selector) {
719 :			var selectorSprite:Selector = new Selector(selector.param, selector.option, selectorClick, selector.active, legends.width);
720 :			selectorSprite.x = 0;
721 :			selectorSprite.y = selectors.height;
722 :			selectors.addChild(selectorSprite);
723 :			}
724 :	dservos	1.3	}
725 :	dservos	1.4	sideBar.addChild(selectors);
726 :	dservos	1.3
727 :	dservos	1.4	//vis.update();
728 :
729 :	dservos	1.2	// Set the bounds of the visualization based on the hieght and width of the flash application,
730 :			// and the other components so the visualization is takes up the unused space.
731 :	dservos	1.4	vis.bounds = new Rectangle(0, 0, loaderInfo.width - (sideBar.width + 15 + vis.x), loaderInfo.height - (vis.y + xLabelsHeight + labelX.height + vis.xyAxes.xAxis.labelOffsetY));
732 :	dservos	1.2
733 :			// Add the visualization to the main sprite.
734 :	dservos	1.1	addChild(vis);
735 :
736 :	dservos	1.2	// Position the legends.
737 :	dservos	1.4	//legends.x = vis.bounds.width + 10;
738 :			legends.x = 0;
739 :			legends.y = 0;
740 :
741 :			sideBar.x = vis.bounds.width + 10;
742 :			sideBar.y = 0;
743 :	dservos	1.2
744 :			// Position and add the labels and title to the axes.
745 :	dservos	1.1	labelX.x = vis.bounds.width/2 - labelX.width/2;
746 :			labelX.y = vis.bounds.height + vis.xyAxes.xAxis.labelOffsetY + xLabelsHeight;
747 :			vis.xyAxes.xAxis.addChild(labelX);
748 :
749 :	dservos	1.3	labelY.rotation = -90;
750 :	dservos	1.1	labelY.x = -vis.x;
751 :	dservos	1.3	labelY.y = (vis.bounds.height/2) + (labelY.height/2);
752 :	dservos	1.1	vis.xyAxes.yAxis.addChild(labelY);
753 :
754 :			title.x = vis.bounds.width/2 - title.width/2;
755 :			title.y = -vis.y;
756 :			vis.xyAxes.addChild(title);
757 :
758 :	dservos	1.2	// Add the legeneds container to the visualization.
759 :	dservos	1.4	//vis.addChild(legends);
760 :			vis.addChild(sideBar);
761 :
762 :			selectors.x = 0;
763 :			selectors.y = legends.y + legends.height;
764 :			//vis.addChild(selectors);
765 :	dservos	1.1
766 :	dservos	1.2	// Set up the hovercontrol for the marks on the chart
767 :	dservos	1.1	var hc:HoverControl = new HoverControl(vis, Filters.isDataSprite);
768 :			hc.onRollOver = rollOver;
769 :			hc.onRollOut = rollOut;
770 :
771 :	dservos	1.2	// Set up the buttons and a container for them.
772 :	dservos	1.4	controls = new Sprite();
773 :	dservos	1.3	var bInvert:Button = new Button(settings.lang.invertaxes, settings.style.button);
774 :			var bHideAxis:Button = new Button(settings.lang.hide + " " + settings.lang.axes, settings.style.button);
775 :			var bHideXLabel:Button = new Button(settings.lang.hide + " " + settings.lang.xlabels, settings.style.button);
776 :			var bHideYLabel:Button = new Button(settings.lang.hide + " " + settings.lang.ylabels, settings.style.button);
777 :	dservos	1.2
778 :			var hideXLabelTransitioner:Transitioner = new Transitioner(2);
779 :	dservos	1.4	//hideXLabelTransitioner.onEnd = updateMarkVisiblity;
780 :			//hideXLabelTransitioner.onStart = updateMarkVisiblity;
781 :	dservos	1.3
782 :	dservos	1.2	bHideXLabel.addEventListener(MouseEvent.CLICK, function(evt:MouseEvent):void {
783 :			if(!hideXLabelTransitioner.running) {
784 :			hideXLabelTransitioner.reset();
785 :
786 :	dservos	1.3	if(bHideXLabel.text == settings.lang.show + " " + settings.lang.xlabels) {
787 :			bHideXLabel.text = settings.lang.hide + " " + settings.lang.xlabels;
788 :	dservos	1.2	vis.xyAxes.xAxis.showLabels = true;
789 :	dservos	1.4	vis.bounds = new Rectangle(0, 0, loaderInfo.width - (sideBar.width + 15 + vis.x), loaderInfo.height - (vis.y + xLabelsHeight + labelX.height + vis.xyAxes.xAxis.labelOffsetY));
790 :	dservos	1.2	} else {
791 :	dservos	1.3	bHideXLabel.text = settings.lang.show + " " + settings.lang.xlabels;
792 :	dservos	1.2	vis.xyAxes.xAxis.showLabels = false;
793 :	dservos	1.4	vis.bounds = new Rectangle(0, 0, loaderInfo.width - (sideBar.width + 15 + vis.x), loaderInfo.height - (vis.y + labelX.height));
794 :	dservos	1.2	}
795 :
796 :			hideXLabelTransitioner.$(labelY).x = -vis.x;
797 :	dservos	1.4	hideXLabelTransitioner.$(labelY).y = vis.bounds.height/2 + labelY.height/2;
798 :	dservos	1.2
799 :			vis.update(hideXLabelTransitioner).play();
800 :			}
801 :			});
802 :
803 :			var hideYLabelTransitioner:Transitioner = new Transitioner(2);
804 :	dservos	1.4	//hideYLabelTransitioner.onEnd = updateMarkVisiblity;
805 :			//hideYLabelTransitioner.onStart = updateMarkVisiblity;
806 :	dservos	1.3
807 :	dservos	1.2	bHideYLabel.addEventListener(MouseEvent.CLICK, function(evt:MouseEvent):void {
808 :			if(!hideYLabelTransitioner.running) {
809 :			var t:Transitioner = new Transitioner(2);
810 :			var newX:int;
811 :
812 :			hideYLabelTransitioner.reset();
813 :
814 :	dservos	1.3	if(bHideYLabel.text == settings.lang.show + " " + settings.lang.ylabels) {
815 :			bHideYLabel.text = settings.lang.hide + " " + settings.lang.ylabels;
816 :	dservos	1.2	vis.xyAxes.yAxis.showLabels = true;
817 :			newX = labelY.width + -vis.xyAxes.yAxis.labelOffsetX + yLabelsWidth;
818 :			} else {
819 :	dservos	1.3	bHideYLabel.text = settings.lang.show + " " + settings.lang.ylabels;
820 :	dservos	1.2	vis.xyAxes.yAxis.showLabels = false;
821 :			newX = labelY.width;
822 :			}
823 :
824 :			t.$(vis).x = newX;
825 :	dservos	1.4	vis.bounds = new Rectangle(0, 0, loaderInfo.width - (sideBar.width + 15 + newX), loaderInfo.height - (vis.y + xLabelsHeight + labelX.height + vis.xyAxes.xAxis.labelOffsetY));
826 :	dservos	1.2
827 :			// Reposition the labels and title.
828 :			t.$(title).x = vis.bounds.width/2 - title.width/2;
829 :			t.$(labelX).x = vis.bounds.width/2 - labelX.width/2;
830 :			t.$(labelX).y = vis.bounds.height + vis.xyAxes.xAxis.labelOffsetY + xLabelsHeight;
831 :			t.$(labelY).x = -newX;
832 :	dservos	1.4	t.$(labelY).y = vis.bounds.height/2 + labelY.height/2;
833 :	dservos	1.2
834 :			// Keep the legends in there place.
835 :	dservos	1.4	t.$(sideBar).x = vis.bounds.width + 10;
836 :	dservos	1.2
837 :			t.play();
838 :			vis.update(hideYLabelTransitioner).play();
839 :			}
840 :			});
841 :
842 :			// Set up the transitioner to be used when inverting the axes
843 :	dservos	1.4	invertTransitioner = new Transitioner(2);
844 :			invertTransitioner.onEnd = function():void {
845 :			//updateMarkVisiblity();
846 :	dservos	1.2	vis.xyAxes.xAxis.labels.visible = true;
847 :			vis.xyAxes.yAxis.labels.visible = true;
848 :			};
849 :	dservos	1.4	invertTransitioner.onStart = function():void {
850 :			//updateMarkVisiblity();
851 :	dservos	1.2	vis.xyAxes.xAxis.labels.visible = false;
852 :			vis.xyAxes.yAxis.labels.visible = false;
853 :			}
854 :
855 :			// The function to invert the axes.
856 :	dservos	1.1	bInvert.addEventListener(MouseEvent.CLICK, function(evt:MouseEvent):void {
857 :	dservos	1.2	// If we are not allready in the process of inverting the axes.
858 :	dservos	1.4	if(!invertTransitioner.running && !legendItemTransitioner.running) {
859 :	dservos	1.2	var t:Transitioner = new Transitioner(2);
860 :			var tempText:String = labelX.text;
861 :			var tempOffset:int = vis.xyAxes.xAxis.labelOffsetX;
862 :			var tempWidth:uint = vis.bounds.width;
863 :	dservos	1.3	var tempLabelFormat:String = vis.xyAxes.xAxis.labelFormat;
864 :	dservos	1.2	var tempLabels:int = xLabelsHeight;
865 :	dservos	1.3	var tempScale:Scale = vis.xyAxes.xAxis.axisScale;
866 :			var tempLabelOffsetY:Number = vis.xyAxes.xAxis.labelOffsetY;
867 :			var tempLabelOffsetX:Number = vis.xyAxes.xAxis.labelOffsetX;
868 :	dservos	1.2	var currentXLabelsHeight:int = getMaxWidth(vis.xyAxes.yAxis.labels);
869 :
870 :			var tempShowLabels:Boolean = vis.xyAxes.xAxis.showLabels;
871 :	dservos	1.1
872 :	dservos	1.2	// Rest the transitioner for a clean transition.
873 :	dservos	1.4	invertTransitioner.reset();
874 :	dservos	1.2
875 :	dservos	1.3	vis.xyAxes.xAxis.axisScale = vis.xyAxes.yAxis.axisScale;
876 :			vis.xyAxes.yAxis.axisScale = tempScale;
877 :			vis.xyAxes.yAxis.axisScale.flush = true;
878 :			vis.xyAxes.xAxis.axisScale.flush = true
879 :
880 :	dservos	1.2	// Flip the axis feilds.
881 :	dservos	1.3	if(settings.layout.type == 1) {
882 :			AxisLayout(layout).xField = settings.layout.yaxis.field;
883 :			AxisLayout(layout).yField = settings.layout.xaxis.field;
884 :			settings.layout.xaxis.field = AxisLayout(layout).xField;
885 :			settings.layout.yaxis.field = AxisLayout(layout).yField;
886 :
887 :			var tempStack:Boolean = AxisLayout(layout).xStacked;
888 :			AxisLayout(layout).xStacked = AxisLayout(layout).yStacked;
889 :			AxisLayout(layout).yStacked = tempStack;
890 :	dservos	1.4
891 :			if(XMLList(settings.layout.setting).length() >= 2 && !isnull(settings.layout.setting[0]) && !isnull(settings.layout.setting[0])) {
892 :			var tempStackSetting:String = settings.layout.setting[0].toString();
893 :			settings.layout.setting[0] = settings.layout.setting[1].toString();
894 :			settings.layout.setting[1] = tempStackSetting;
895 :			} else if(XMLList(settings.layout.setting).length() == 1 && !isnull(settings.layout.setting[0])) {
896 :			settings.layout.setting[1] = settings.layout.setting[0].toString();
897 :			settings.layout.setting[0] = "false";
898 :
899 :			}
900 :	dservos	1.3	}
901 :
902 :			vis.xyAxes.xAxis.labelFormat = vis.xyAxes.yAxis.labelFormat;
903 :			vis.xyAxes.yAxis.labelFormat = tempLabelFormat;
904 :
905 :
906 :			vis.xyAxes.xAxis.labelOffsetX = vis.xyAxes.yAxis.labelOffsetY * -1;
907 :			vis.xyAxes.yAxis.labelOffsetY = tempLabelOffsetX * -1;
908 :			vis.xyAxes.xAxis.labelOffsetY = vis.xyAxes.yAxis.labelOffsetX * -1;
909 :			vis.xyAxes.yAxis.labelOffsetX = tempLabelOffsetY * -1;
910 :
911 :
912 :	dservos	1.2	xLabelsHeight = yLabelsWidth;
913 :			yLabelsWidth = tempLabels;
914 :
915 :	dservos	1.3
916 :	dservos	1.2	vis.xyAxes.xAxis.showLabels = vis.xyAxes.yAxis.showLabels;
917 :			vis.xyAxes.yAxis.showLabels = tempShowLabels;
918 :
919 :			if(vis.xyAxes.yAxis.showLabels) {
920 :	dservos	1.3	bHideYLabel.text = settings.lang.hide + " " + settings.lang.ylabels;
921 :	dservos	1.2	} else {
922 :	dservos	1.3	bHideYLabel.text = settings.lang.show + " " + settings.lang.ylabels;
923 :	dservos	1.2	}
924 :
925 :			if(vis.xyAxes.xAxis.showLabels) {
926 :	dservos	1.3	bHideXLabel.text = settings.lang.hide + " " + settings.lang.xlabels;
927 :	dservos	1.2	} else {
928 :	dservos	1.3	bHideXLabel.text = settings.lang.show + " " + settings.lang.xlabels;
929 :	dservos	1.2	}
930 :
931 :			// Flip the labels
932 :			labelX.text = labelY.text;
933 :			labelY.text = tempText;
934 :
935 :	dservos	1.4	if(settings.style.nodeshape == Shapes.VERTICAL_BAR || settings.style.nodeshape == Shapes.HORIZONTAL_BAR) {
936 :			vis.data.nodes.visit(function(d:NodeSprite):void {
937 :			if(d.shape == Shapes.VERTICAL_BAR) {
938 :			t.$(d).shape = Shapes.HORIZONTAL_BAR;
939 :			} else {
940 :			t.$(d).shape = Shapes.VERTICAL_BAR;
941 :			}
942 :			});
943 :
944 :			if(settings.style.nodeshape == Shapes.VERTICAL_BAR) {
945 :			settings.style.nodeshape = Shapes.HORIZONTAL_BAR;
946 :			} else {
947 :			settings.style.nodeshape = Shapes.VERTICAL_BAR;
948 :			}
949 :
950 :
951 :			for(var li:Object in legendNodes) {
952 :			for each(var node:NodeSprite in legendNodes[LegendItem(li)] as Array) {
953 :			if(node.shape == Shapes.VERTICAL_BAR) {
954 :			node.shape = Shapes.HORIZONTAL_BAR;
955 :			} else {
956 :			node.shape = Shapes.VERTICAL_BAR;
957 :			}
958 :			}
959 :			}
960 :			}
961 :
962 :	dservos	1.2	// Find the new X value for the visualization.
963 :			var newX:int = labelY.width + vis.xyAxes.xAxis.labelOffsetY + getMaxHeight(vis.xyAxes.xAxis.labels);
964 :
965 :			// Reposition and set the bounds of the visualization.
966 :			t.$(vis).x = newX;
967 :	dservos	1.4	vis.bounds = new Rectangle(0, 0, loaderInfo.width - (sideBar.width + 15 + newX), loaderInfo.height - (vis.y + currentXLabelsHeight + labelX.height + vis.xyAxes.xAxis.labelOffsetY));
968 :	dservos	1.2
969 :			// Reposition the labels and title.
970 :			t.$(title).x = vis.bounds.width/2 - title.width/2;
971 :			t.$(labelX).x = vis.bounds.width/2 - labelX.width/2;
972 :			t.$(labelX).y = vis.bounds.height + vis.xyAxes.xAxis.labelOffsetY + currentXLabelsHeight;
973 :			t.$(labelY).x = -newX;
974 :	dservos	1.3	t.$(labelY).y = vis.bounds.height/2 + labelY.height/2;
975 :	dservos	1.2
976 :			// Keep the legends in there place.
977 :	dservos	1.4	t.$(sideBar).x = vis.bounds.width + 10;
978 :	dservos	1.2
979 :	dservos	1.4
980 :	dservos	1.2	//Play the transition.
981 :			t.play();
982 :	dservos	1.4	vis.update(invertTransitioner).play();
983 :	dservos	1.2	}
984 :			});
985 :
986 :			// Set up the transitioner for the hide axes button.
987 :			var hideAxisTrans:Transitioner = new Transitioner(1);
988 :
989 :			// Function for hidding the axes.
990 :			bHideAxis.addEventListener(MouseEvent.CLICK, function(evt:MouseEvent):void {
991 :			// If we are not allready in the process of hidding the axes
992 :			if(!hideAxisTrans.running) {
993 :			// Reset the transitoner for a clean transiton.
994 :			hideAxisTrans.reset();
995 :
996 :			// Hide or show the axes.
997 :	dservos	1.3	if(bHideAxis.text == settings.lang.show + " " + settings.lang.axes) {
998 :			hideAxisTrans.$(bHideAxis).text = settings.lang.hide + " " + settings.lang.axes;
999 :			layout.showAxes(hideAxisTrans).play();
1000 :	dservos	1.2	} else {
1001 :	dservos	1.3	hideAxisTrans.$(bHideAxis).text = settings.lang.show + " " + settings.lang.axes;
1002 :			layout.hideAxes(hideAxisTrans).play();
1003 :	dservos	1.2	}
1004 :			}
1005 :	dservos	1.1	});
1006 :
1007 :	dservos	1.2	// Position the buttons inside there container.
1008 :			bHideXLabel.x = 0;
1009 :			bHideXLabel.y = 0;
1010 :
1011 :	dservos	1.4	bHideAxis.x = sideBar.width - bHideAxis.width - 5;
1012 :	dservos	1.2	bHideAxis.y = bHideXLabel.y;
1013 :
1014 :	dservos	1.4	bInvert.x = sideBar.width - bInvert.width - 5;
1015 :	dservos	1.2	bInvert.y = bHideXLabel.y + bHideXLabel.height + 2;
1016 :
1017 :			bHideYLabel.x = 0;
1018 :			bHideYLabel.y = bHideXLabel.y + bHideXLabel.height + 2;
1019 :
1020 :			// Poistion the buttons container.
1021 :	dservos	1.4	controls.x = 0;
1022 :			controls.y = sideBar.height + 10;
1023 :	dservos	1.2
1024 :			// Add the buttons to the container and the container to the main sprite.
1025 :			controls.addChild(bInvert);
1026 :			controls.addChild(bHideAxis);
1027 :			controls.addChild(bHideXLabel);
1028 :			controls.addChild(bHideYLabel);
1029 :	dservos	1.4	sideBar.addChild(controls);
1030 :	dservos	1.2
1031 :			// Set the marks on the chart to the higest deepth.
1032 :			vis.setChildIndex(vis.marks, vis.numChildren - 1);
1033 :
1034 :			// Update.
1035 :	dservos	1.1	vis.update();
1036 :	dservos	1.4	//updateMarkVisiblity();
1037 :	dservos	1.1	}
1038 :
1039 :	dservos	1.2	/**
1040 :			* Roll over function witch makes the object 0.5 units bigger and adds a glow filter.
1041 :			* @param ob the object witch was rolled over.
1042 :			*/
1043 :	dservos	1.1	private function rollOver(ob:Object):void {
1044 :			ob.filters = [new GlowFilter(0xFFFF55, 0.8, 6, 6, 10)];
1045 :	dservos	1.4	ob.size = nodeSize + 0.5;
1046 :	dservos	1.1	}
1047 :
1048 :	dservos	1.2	/**
1049 :			* Roll out function witch removes the filters and makes the object 0.5 units smaller.
1050 :			* @param ob the object witch was rolled out of.
1051 :			*/
1052 :	dservos	1.1	private function rollOut(ob:Object):void {
1053 :			ob.filters = null;
1054 :	dservos	1.4	ob.size = nodeSize;
1055 :	dservos	1.1	}
1056 :
1057 :	dservos	1.2	/**
1058 :			* Roll over function for the dialog box.
1059 :			* Adds a glow filter to the curently active dialog box.
1060 :			* @param ob a child of the dialog box.
1061 :			*/
1062 :	dservos	1.1	private function boxRollOver(ob:Object):void {
1063 :			if(lastBoxData != null) {
1064 :			lastBoxData.filters = [new GlowFilter(0xFFFF55, 0.8, 6, 6, 10)];
1065 :			}
1066 :			}
1067 :
1068 :	dservos	1.2	/**
1069 :			* Roll out function for the dialog box.
1070 :			* Removes filters on the curently active dialog box.
1071 :			* @param ob a child of the dialog box.
1072 :			*/
1073 :	dservos	1.1	private function boxRollOut(ob:Object):void {
1074 :			if(lastBoxData != null) {
1075 :			lastBoxData.filters = null;
1076 :			}
1077 :			}
1078 :
1079 :	dservos	1.2	/**
1080 :			* Finds the Legend belonging to the LegendItem passed.
1081 :			* TODO: See if this can be replaced by a .parent call.
1082 :			* @param item a LegendItem to find the Legend of.
1083 :			* @return the Legend that contains the passed LegendItem.
1084 :			*/
1085 :			private function findLegendByItem(item:LegendItem):Legend {
1086 :			for(var i:uint = 0; i < legends.numChildren; i++ ) {
1087 :			if(Legend(legends.getChildAt(i)).items.contains(item)) {
1088 :			return Legend(legends.getChildAt(i));
1089 :			}
1090 :			}
1091 :
1092 :			return null;
1093 :			}
1094 :
1095 :			/**
1096 :			* Roll over function for legends.
1097 :			* Adds a glow filter to the legend's item aswell as all the markers on the chart
1098 :			* that are realted to the legend item and incrases there size by 1 unit.
1099 :			* @param ob the LegendItem being rolled over.
1100 :			*/
1101 :			private function legendRollOver(ob:LegendItem):void {
1102 :	dservos	1.4	var legend:Legend = Legend(ob.parent.parent);
1103 :	dservos	1.2
1104 :	dservos	1.4	if(legend) {
1105 :			var dataName:String = legend.dataField.substr(legend.dataField.lastIndexOf('.') + 1);
1106 :
1107 :			ob.filters = [new GlowFilter(0xFFFF55, 0.8, 6, 6, 10)];
1108 :
1109 :			vis.data.visit(function(d:DataSprite):void {
1110 :			if(d.data.hasOwnProperty(dataName) && ob.value == d.data[dataName]) {
1111 :			d.filters = [new GlowFilter(0xFFFF55, 0.8, 6, 6, 10)];
1112 :			d.size = nodeSize + 1;
1113 :			}
1114 :			}, 3, Filters.isDataSprite);
1115 :			}
1116 :	dservos	1.2	}
1117 :
1118 :			/**
1119 :			* Roll out function for legends.
1120 :			* Removes filters to the legend's item aswell as all the markers on the chart
1121 :			* that are realted to the legend item and decrases there size by 1 unit.
1122 :			* @param ob the LegendItem being rolled out of.
1123 :			*/
1124 :			private function legendRollOut(ob:LegendItem):void {
1125 :	dservos	1.4	var legend:Legend = Legend(ob.parent.parent);
1126 :	dservos	1.2
1127 :	dservos	1.4	if(legend) {
1128 :			var dataName:String = legend.dataField.substr(legend.dataField.lastIndexOf('.') + 1);
1129 :
1130 :			ob.filters = null;
1131 :	dservos	1.2
1132 :	dservos	1.4	vis.data.visit(function(d:DataSprite):void {
1133 :			if(d.data.hasOwnProperty(dataName) && ob.value == d.data[dataName]) {
1134 :			d.filters = null;
1135 :			d.size = nodeSize;
1136 :			}
1137 :			}, 3, Filters.isDataSprite);
1138 :			}
1139 :	dservos	1.2	}
1140 :
1141 :			/**
1142 :			* Creates and returns a dialog box containing information on the passed data sprite.
1143 :			* @param data the DataSprite containing the information to display.
1144 :			* @returns the Sprite containing the dialog box.
1145 :			*/
1146 :	dservos	1.1	private function dataDialogBox(data:DataSprite):Sprite {
1147 :			var box:Sprite = new Sprite;
1148 :
1149 :			var backGround:Sprite = new Sprite;
1150 :	dservos	1.3	backGround.graphics.beginFill(parseInt(settings.style.popup.bgcolor, 16), settings.style.popup.alpha);
1151 :			backGround.graphics.lineStyle(settings.style.popup.line.size, parseInt(settings.style.popup.line.color, 16), settings.style.popup.line.alpha);
1152 :	dservos	1.1
1153 :			var text:Sprite = new Sprite;
1154 :	dservos	1.2	var x:int = 5;
1155 :			var y:int = 0;
1156 :
1157 :			for(var property:Object in data.data) {
1158 :	dservos	1.3	var temp:TextSprite = new TextSprite(property.toString() + ": " + data.data[property], new TextFormat(settings.style.popup.text.font, settings.style.popup.text.size, null, true));
1159 :	dservos	1.2	temp.x = x;
1160 :			temp.y = y;
1161 :			text.addChild(temp);
1162 :			y += temp.height;
1163 :			}
1164 :	dservos	1.1
1165 :	dservos	1.2	backGround.graphics.drawRoundRect(0, 0, text.width + 10, text.height, 30, 30);
1166 :	dservos	1.1
1167 :			box.addChild(backGround);
1168 :			box.addChild(text);
1169 :
1170 :			return box;
1171 :			}
1172 :
1173 :	dservos	1.4
1174 :			private function removeLegenedItemsNodes():void {
1175 :			for(var i:int = 0; i < legends.numChildren; i++) {
1176 :			for(var k:int = 0; k < Legend(legends.getChildAt(i)).items.numChildren; k++) {
1177 :			var legendItem:LegendItem = LegendItem(Legend(legends.getChildAt(i)).items.getChildAt(k));
1178 :
1179 :			if(legendItem.alpha < 1) {
1180 :			removeLegendNodes(legendItem);
1181 :			}
1182 :			}
1183 :			}
1184 :			}
1185 :
1186 :	dservos	1.2	/**
1187 :			* Check if a mark on the chart is visible based on the related LegendItems states.
1188 :			* @param d the DataSprite to check the visiblility of.
1189 :			* @returns true if the mark is visible.
1190 :			*/
1191 :			private function markIsVisible(d:DataSprite):Boolean {
1192 :			var items:Array = getLegendItems(d);
1193 :
1194 :			for each(var item:LegendItem in items) {
1195 :			if(item.alpha != 1) {
1196 :			return false;
1197 :			}
1198 :			}
1199 :
1200 :			return true;
1201 :			}
1202 :
1203 :			/**
1204 :			* Gets all LegenedItems realted to a given DataSprite/mark.
1205 :			* @params d the DataSprite on the chart.
1206 :			* @returns Array of LegendItems that are realted to the given DataSprite.
1207 :			*/
1208 :			private function getLegendItems(d:DataSprite):Array {
1209 :			var items:Array = new Array();
1210 :	dservos	1.4	var legend:Legend;
1211 :			var item:LegendItem;
1212 :			var dataField:String;
1213 :	dservos	1.2
1214 :			for(var i:uint = 0; i < legends.numChildren; i++) {
1215 :	dservos	1.4	legend = Legend(legends.getChildAt(i));
1216 :			dataField = legend.dataField.substr(legend.dataField.lastIndexOf('.') + 1);
1217 :	dservos	1.2
1218 :	dservos	1.4	if(d.data.hasOwnProperty(dataField)) {
1219 :			for(var k:uint = 0; k < legend.items.numChildren; k++) {
1220 :			item = LegendItem(legend.items.getChildAt(k));
1221 :
1222 :			if(d.data[dataField] == item.value) {
1223 :			items.push(item);
1224 :			break;
1225 :			}
1226 :	dservos	1.2	}
1227 :	dservos	1.4	}
1228 :	dservos	1.2	}
1229 :
1230 :			return items;
1231 :			}
1232 :
1233 :	dservos	1.4	private function removeLegendNodes(item:LegendItem):void {
1234 :			if(item != null) {
1235 :			var legend:Legend = Legend(item.parent.parent);
1236 :			var dataName:String = legend.dataField.substr(legend.dataField.lastIndexOf('.') + 1);
1237 :			var nodes:Array = legendNodes[item] as Array;
1238 :
1239 :			for each(var node:NodeSprite in nodes) {
1240 :			vis.data.removeNode(node);
1241 :			}
1242 :			}
1243 :			}
1244 :
1245 :			private function removeLegendEdges(item:LegendItem):void {
1246 :			if(item != null) {
1247 :			var legend:Legend = Legend(item.parent.parent);
1248 :			var dataName:String = legend.dataField.substr(legend.dataField.lastIndexOf('.') + 1);
1249 :			var edges:Array = legendEdges[item] as Array;
1250 :	dservos	1.2
1251 :	dservos	1.4	for each(var edge:EdgeSprite in edges) {
1252 :			vis.data.removeEdge(edge);
1253 :			}
1254 :			}
1255 :			}
1256 :
1257 :			private function addLegendNodes(item:LegendItem):void {
1258 :	dservos	1.2	if(item != null) {
1259 :	dservos	1.4	var nodes:Array = legendNodes[item] as Array;
1260 :
1261 :			for each(var node:NodeSprite in nodes) {
1262 :			if(markIsVisible(node)) {
1263 :			vis.data.addNode(node);
1264 :			}
1265 :			}
1266 :	dservos	1.2	}
1267 :	dservos	1.4	}
1268 :
1269 :			/*private function dirtyEdges():void {
1270 :			vis.data.edges.visit(function(e:EdgeSprite):void{
1271 :			e.dirty();
1272 :			});
1273 :			}*/
1274 :
1275 :			private function addLegendEdges(item:LegendItem):void {
1276 :			if(item != null) {
1277 :			var edges:Array = legendEdges[item] as Array;
1278 :
1279 :			for each(var edge:EdgeSprite in edges) {
1280 :			if(markIsVisible(edge)) {
1281 :			edge.source.addOutEdge(edge);
1282 :			edge.target.addInEdge(edge);
1283 :			vis.data.addEdge(edge);
1284 :			}
1285 :			}
1286 :			}
1287 :	dservos	1.2	}
1288 :
1289 :			/**
1290 :			* Function to be called when a LegendItem is clicked.
1291 :			* Changes the legendItems alpah value and updates mark visiblity.
1292 :			* @param evt the mouse event.
1293 :			*/
1294 :			private function legendClick(evt:MouseEvent):void {
1295 :			var item:LegendItem = LegendItem(evt.target);
1296 :	dservos	1.4
1297 :			if(item != null && !invertTransitioner.running && !legendItemTransitioner.running) {
1298 :			legendItemTransitioner.reset();
1299 :
1300 :			if(item.alpha >= 1) {
1301 :			item.alpha = 0.4;
1302 :			//removeLegendEdges(item);
1303 :			removeLegendNodes(item);
1304 :			} else {
1305 :			item.alpha = 1.0;
1306 :			addLegendNodes(item);
1307 :			addLegendEdges(item);
1308 :			}
1309 :
1310 :			setUpLayout();
1311 :			vis.update(legendItemTransitioner).play();
1312 :	dservos	1.2	}
1313 :			}
1314 :
1315 :			/**
1316 :			* Function called when a click happens on a mark on the chart.
1317 :			* Creates and adds a dialog box for that mark/DataSprite when clicked or removes the dialog box if
1318 :			* the mark allready has one.
1319 :			* @param the mouse event.
1320 :			*/
1321 :	dservos	1.1	private function mouseClicked(evt:MouseEvent):void {
1322 :			if(DisplayObject(evt.target).parent == vis.marks) {
1323 :			if(lastBox != null && lastBoxData != null) {
1324 :			lastBoxData.removeChild(lastBox);
1325 :	dservos	1.2	boxhc.detach();
1326 :	dservos	1.1	}
1327 :
1328 :			if(evt.target != lastBoxData) {
1329 :			lastBox = dataDialogBox(DataSprite(evt.target));
1330 :			lastBoxData = DataSprite(evt.target);
1331 :			Sprite(evt.target).addChild(lastBox);
1332 :			vis.marks.setChildIndex(Sprite(evt.target), vis.marks.numChildren - 1);
1333 :	dservos	1.2	boxhc.attach(Sprite(evt.target));
1334 :	dservos	1.1	} else {
1335 :			lastBoxData = null;
1336 :			lastBox = null;
1337 :			}
1338 :			}
1339 :			}
1340 :	dservos	1.4
1341 :			private function selectorClick(evt:MouseEvent):void {
1342 :			var selectorOption:SelectorOption = SelectorOption(evt.target);
1343 :
1344 :			if(!selectorOption.active) {
1345 :			reharvest_data(dataURL + "&" + escape(selectorOption.param) + "=" + escape(selectorOption.value));
1346 :			selectorOption.active = true;
1347 :			selectorOption.alpha = 1;
1348 :			Selector(selectorOption.parent).active.active = false;
1349 :			Selector(selectorOption.parent).active.alpha = 0.4;
1350 :			Selector(selectorOption.parent).active = selectorOption;
1351 :			}
1352 :			}
1353 :	dservos	1.1	}
1354 :			}

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