comparison interfaces/AB.js @ 470:1330c77d212c Dev_main

Moved interfaces into their own sub-directory
author Nicholas Jillings <n.g.r.jillings@se14.qmul.ac.uk>
date Wed, 13 Jan 2016 09:34:46 +0000
parents
children bc343b3f4cce
comparison
equal deleted inserted replaced
469:d39d243e6601 470:1330c77d212c
1 // Once this is loaded and parsed, begin execution
2 loadInterface();
3
4 function loadInterface() {
5 // Get the dimensions of the screen available to the page
6 var width = window.innerWidth;
7 var height = window.innerHeight;
8 interfaceContext.insertPoint.innerHTML = null; // Clear the current schema
9
10 // Custom Comparitor Object
11 Interface.prototype.comparitor = null;
12
13 // The injection point into the HTML page
14 interfaceContext.insertPoint = document.getElementById("topLevelBody");
15 var testContent = document.createElement('div');
16 testContent.id = 'testContent';
17
18 // Create the top div for the Title element
19 var titleAttr = specification.title;
20 var title = document.createElement('div');
21 title.className = "title";
22 title.align = "center";
23 var titleSpan = document.createElement('span');
24
25 // Set title to that defined in XML, else set to default
26 if (titleAttr != undefined) {
27 titleSpan.textContent = titleAttr;
28 } else {
29 titleSpan.textContent = 'Listening test';
30 }
31 // Insert the titleSpan element into the title div element.
32 title.appendChild(titleSpan);
33
34 var pagetitle = document.createElement('div');
35 pagetitle.className = "pageTitle";
36 pagetitle.align = "center";
37 var titleSpan = document.createElement('span');
38 titleSpan.id = "pageTitle";
39 pagetitle.appendChild(titleSpan);
40
41 // Create Interface buttons!
42 var interfaceButtons = document.createElement('div');
43 interfaceButtons.id = 'interface-buttons';
44 interfaceButtons.style.height = '25px';
45
46 // Create playback start/stop points
47 var playback = document.createElement("button");
48 playback.innerHTML = 'Stop';
49 playback.id = 'playback-button';
50 playback.style.float = 'left';
51 // onclick function. Check if it is playing or not, call the correct function in the
52 // audioEngine, change the button text to reflect the next state.
53 playback.onclick = function() {
54 if (audioEngineContext.status == 1) {
55 audioEngineContext.stop();
56 this.innerHTML = 'Stop';
57 var time = audioEngineContext.timer.getTestTime();
58 console.log('Stopped at ' + time); // DEBUG/SAFETY
59 }
60 };
61 // Append the interface buttons into the interfaceButtons object.
62 interfaceButtons.appendChild(playback);
63
64 // Global parent for the comment boxes on the page
65 var feedbackHolder = document.createElement('div');
66 feedbackHolder.id = 'feedbackHolder';
67
68 // Construct the AB Boxes
69 var boxes = document.createElement('div');
70 boxes.align = "center";
71 boxes.id = "box-holders";
72 boxes.style.float = "left";
73
74 var submit = document.createElement('button');
75 submit.id = "submit";
76 submit.onclick = buttonSubmitClick;
77 submit.className = "big-button";
78 submit.textContent = "submit";
79 submit.style.position = "relative";
80 submit.style.left = (window.innerWidth-250)/2 + 'px';
81
82 feedbackHolder.appendChild(boxes);
83
84 // Inject into HTML
85 testContent.appendChild(title); // Insert the title
86 testContent.appendChild(pagetitle);
87 testContent.appendChild(interfaceButtons);
88 testContent.appendChild(feedbackHolder);
89 testContent.appendChild(submit);
90 interfaceContext.insertPoint.appendChild(testContent);
91
92 // Load the full interface
93 testState.initialise();
94 testState.advanceState();
95 }
96
97 function loadTest(audioHolderObject)
98 {
99 var feedbackHolder = document.getElementById('feedbackHolder');
100 var interfaceObj = audioHolderObject.interfaces;
101 if (interfaceObj.length > 1)
102 {
103 console.log("WARNING - This interface only supports one <interface> node per page. Using first interface node");
104 }
105 interfaceObj = interfaceObj[0];
106
107 if(interfaceObj.title != null)
108 {
109 document.getElementById("pageTitle").textContent = interfaceObj.title;
110 }
111
112 // Populate the comparitor object
113 interfaceContext.comparitor = new Comparitor(audioHolderObject);
114 resizeWindow(null);
115 }
116
117 function Comparitor(audioHolderObject)
118 {
119 this.comparitorBox = function(audioElement,id,text)
120 {
121 this.parent = audioElement;
122 this.id = id;
123 this.value = 0;
124 this.disabled = true;
125 this.box = document.createElement('div');
126 this.box.className = 'comparitor-holder';
127 this.box.setAttribute('track-id',audioElement.id);
128 this.box.id = 'comparitor-'+text;
129 this.selector = document.createElement('div');
130 this.selector.className = 'comparitor-selector disabled';
131 var selectorText = document.createElement('span');
132 selectorText.textContent = text;
133 this.selector.appendChild(selectorText);
134 this.playback = document.createElement('button');
135 this.playback.className = 'comparitor-button';
136 this.playback.disabled = true;
137 this.playback.textContent = "Listen";
138 this.box.appendChild(this.selector);
139 this.box.appendChild(this.playback);
140 this.selector.onclick = function()
141 {
142 var time = audioEngineContext.timer.getTestTime();
143 if ($(event.currentTarget).hasClass('disabled'))
144 {
145 console.log("Please wait until sample has loaded");
146 return;
147 }
148 if (audioEngineContext.status == 0)
149 {
150 alert("Please listen to the samples before making a selection");
151 console.log("Please listen to the samples before making a selection");
152 return;
153 }
154 $(".comparitor-selector").removeClass('selected');
155 var id = event.currentTarget.parentElement.getAttribute('track-id');
156 interfaceContext.comparitor.selected = id;
157 $(event.currentTarget).addClass('selected');
158 for (var i=0; i<interfaceContext.comparitor.comparitors.length; i++)
159 {
160 var obj = interfaceContext.comparitor.comparitors[i];
161 if (i == id) {
162 obj.value = 1;
163 } else {
164 obj.value = 0;
165 }
166 obj.parent.metric.moved(time,obj.value);
167 }
168 console.log("Selected "+id+' ('+time+')');
169 };
170 this.playback.onclick = function()
171 {
172 $('.comparitor-button').text('Listen');
173 var id = event.currentTarget.parentElement.getAttribute('track-id');
174 audioEngineContext.play(id);
175 $(event.currentTarget).text('Playing');
176 };
177
178 this.enable = function()
179 {
180 if (this.parent.state == 1)
181 {
182 $(this.selector).removeClass('disabled');
183 this.playback.disabled = false;
184 }
185 };
186 this.updateLoading = function(progress)
187 {
188 if (progress != 100)
189 {
190 progress = String(progress);
191 progress = progress.split('.')[0];
192 this.playback.textContent = progress+'%';
193 } else {
194 this.playback.textContent = "Listen";
195 }
196 };
197 this.exportXMLDOM = function(audioObject)
198 {
199 var node = storage.document.createElement('value');
200 node.textContent = this.value;
201 return node;
202 };
203 this.getValue = function() {
204 return this.value;
205 };
206 this.getPresentedId = function()
207 {
208 return this.selector.children[0].textContent;
209 };
210 this.canMove = function()
211 {
212 return false;
213 };
214 };
215
216 this.boxHolders = document.getElementById('box-holders');
217 this.boxHolders.innerHTML = null;
218 this.comparitors = [];
219 this.selected = null;
220
221 // First generate the Audio Objects for the Audio Engine
222 for (var index=0; index<audioHolderObject.audioElements.length; index++)
223 {
224 var element = audioHolderObject.audioElements[index];
225 if (index == audioHolderObject.outsideReference || element.type == 'outside-reference')
226 {
227 console.log("WARNING - AB cannot have fixed reference");
228 }
229 var audioObject = audioEngineContext.newTrack(element);
230 var node = new this.comparitorBox(audioObject,index,String.fromCharCode(65 + index));
231 audioObject.bindInterface(node);
232 this.comparitors.push(node);
233 this.boxHolders.appendChild(node.box);
234 }
235 return this;
236 }
237
238 function resizeWindow(event)
239 {
240 document.getElementById('submit').style.left = (window.innerWidth-250)/2 + 'px';
241 var numObj = interfaceContext.comparitor.comparitors.length;
242 var boxW = numObj*312;
243 var diff = window.innerWidth - boxW;
244 while (diff < 0)
245 {
246 numObj = Math.ceil(numObj/2);
247 boxW = numObj*312;
248 diff = window.innerWidth - boxW;
249 }
250 document.getElementById('box-holders').style.marginLeft = diff/2 + 'px';
251 document.getElementById('box-holders').style.marginRight = diff/2 + 'px';
252 document.getElementById('box-holders').style.width = boxW + 'px';
253 }
254
255 function buttonSubmitClick()
256 {
257 var checks = [];
258 checks = checks.concat(testState.currentStateMap.interfaces[0].options);
259 checks = checks.concat(specification.interfaces.options);
260 var canContinue = true;
261
262 for (var i=0; i<checks.length; i++) {
263 if (checks[i].type == 'check')
264 {
265 switch(checks[i].name) {
266 case 'fragmentPlayed':
267 // Check if all fragments have been played
268 var checkState = interfaceContext.checkAllPlayed();
269 if (checkState == false) {canContinue = false;}
270 break;
271 case 'fragmentFullPlayback':
272 // Check all fragments have been played to their full length
273 var checkState = interfaceContext.checkFragmentsFullyPlayed();
274 if (checkState == false) {canContinue = false;}
275 break;
276 case 'fragmentMoved':
277 // Check all fragment sliders have been moved.
278 var checkState = interfaceContext.checkAllMoved();
279 if (checkState == false) {canContinue = false;}
280 break;
281 case 'fragmentComments':
282 // Check all fragment sliders have been moved.
283 var checkState = interfaceContext.checkAllCommented();
284 if (checkState == false) {canContinue = false;}
285 break;
286 default:
287 console.log("WARNING - Check option "+checks[i].check+" is not supported on this interface");
288 break;
289 }
290
291 }
292 if (!canContinue) {break;}
293 }
294 if (canContinue)
295 {
296 if (audioEngineContext.status == 1) {
297 var playback = document.getElementById('playback-button');
298 playback.click();
299 // This function is called when the submit button is clicked. Will check for any further tests to perform, or any post-test options
300 } else
301 {
302 if (audioEngineContext.timer.testStarted == false)
303 {
304 alert('You have not started the test! Please press start to begin the test!');
305 return;
306 }
307 }
308 testState.advanceState();
309 }
310 }
311
312 function pageXMLSave(store, pageSpecification)
313 {
314 // MANDATORY
315 // Saves a specific test page
316 // You can use this space to add any extra nodes to your XML <audioHolder> saves
317 // Get the current <page> information in store (remember to appendChild your data to it)
318 // pageSpecification is the current page node configuration
319 // To create new XML nodes, use storage.document.createElement();
320 }