Context Navigation

source: Dev/trunk/classes/SurveyCreationTool.php @ 40

Last change on this file since 40 was 37, checked in by fpvanagthoven, 14 years ago
When answers change, the questionID gets removed so that a new one is made.
File size: 27.7 KB

Line
1	<?php
2
3	/**
4	* Description of SurveyTool
5	*
6	* SurveyTool is where the survey can be created.
7	*
8	*/
9	class SurveyCreationTool {
10
11	private $survey;
12	private $timeStamp;
13
14	public function __construct($survey = null, $timeStamp = null) {
15	$this->survey = $survey;
16	$this->timeStamp = $timeStamp;
17
18	if (isset($this->survey->id))
19	SurveyCreationTool::javascript($this->survey->id);
20	else
21	SurveyCreationTool::javascript();
22	?>
23
24	<div id="surveyCreation"><form id="survey" action="submitsurvey.php" method="post">
25	<?php
26	$this->surveyHead();
27	$this->questionCreationForm();
28	SurveyCreationTool::addQuestionButton();
29	SurveyCreationTool::removeLastQuestionButton();
30	SurveyCreationTool::submitButton();
31	?></form></div>
32	<?php
33	}
34
35	private static function javascript($id = null) {
36	?>
37	<script type="text/javascript">
38	/* autosave every 3 minutes */
39	setTimeout("save('<?php echo $id; ?>')", 180000);
40
41	var questionCount = 1;
42
43	function getNewQuestion(title, description)
44	{
45	if (title == null)
46	var title = 'Untitled Question';
47
48	if (description != null)
49	var description = description;
50	else
51	var description = 'Write a question description here.';
52
53	var questionDiv = document.createElement("div");
54	var htmlStr =
55	"<div id='question" + questionCount + "' class='question'>" +
56	"<table class='questionTable'>" +
57	"<th>Question " + questionCount + "</th>" +
58	"<tr><td><label for='questionTitle'>Title</label></td>" +
59	"<td><input type='text' class='questionTitle' name='questionTitle" + questionCount + "' onfocus='handleFocus(this)' size='30' value='" + title + "' /></td></tr>" +
60	"<tr><td><label for='questionDescription'>Description</label></td>" +
61	"<td><input type='text' class='questionDescription' name='questionDescription" + questionCount + "' onfocus='handleFocus(this)' size='60' value='" + description + "' /></td>" +
62	"<tr><td><label for='questionType'>Answer type</label></td>" +
63	"<td><select id='" + questionCount + "' name='questionType" + questionCount + "' onchange='handleType(this)'><br />"+
64	"<option value='text' selected='selected'>Text</option>" +
65	"<option value='int'>Integer</option>" +
66	"<option value='mc'>Multiple choice</option>" +
67	"<option value='checkboxes'>Checkboxes</option>" +
68	"<option value='scale'>Scale</option>" +
69	"</select></td></tr>" +
70	"</table>" +
71	"<div id='answersDiv" + questionCount + "' class='answersDiv'></div>" +
72	"</div>";
73
74	questionDiv.innerHTML = htmlStr;
75
76	return questionDiv;
77	}
78
79	function handleFocus(input)
80	{
81	/* this is such ugly code it makes me sad */
82	if (input.clicked == null &&
83	(input.value == "Untitled Survey"
84	\|\| input.value == "Write a helpful description for this survey here."
85	\|\| input.value == "Write a question description here."
86	\|\| input.value == "Untitled Question"))
87	{
88	input.value = "";
89	input.style.color = "black";
90	input.clicked = true;
91	}
92	}
93
94	function handleBlur(input)
95	{
96	var surveyTitle = document.getElementById('surveyTitle');
97	var surveyDescription = document.getElementById('surveyDescription');
98
99	if (input.value == "")
100	{
101	input.style.color = "gray";
102	input.clicked = null;
103
104	if (input == surveyTitle)
105	{
106	input.value = "Untitled Survey";
107	}
108	else if (input == surveyDescription)
109	{
110	input.value = "Write a helpful description for this survey here.";
111	}
112	}
113	}
114
115	function handleType(select, answers)
116	{
117	var numQ = select.id; // questionNumber
118	var type = select.valueOf().value;
119	var answersDiv = document.getElementById("answersDiv" + numQ );
120
121	removeQuestionID(numQ);
122
123	answersDiv.answerCount = 1;
124	answersDiv.clicked = null;
125
126	switch (type) {
127	case 'mc':
128	answersDiv.innerHTML = "";
129	if (answers != null)
130	{
131	for (var i = 1; i < answers.length; i++)
132	{
133	addOption(numQ, answers[i]);
134	}
135	}
136	else
137	addOption(numQ);
138
139	break;
140	case 'text':
141	answersDiv.innerHTML = "";
142	break;
143	case 'int':
144	answersDiv.innerHTML = "";
145
146	//min max
147	if (answers != null)
148	minMax(numQ, answers[1], answers[2]);
149	else
150	minMax(numQ);
151	break;
152	case 'checkboxes':
153	answersDiv.innerHTML = "";
154	if (answers != null)
155	{
156	for (var i = 1; i < answers.length; i++)
157	{
158	addOption(numQ, answers[i]);
159	}
160	}
161	else
162	addOption(numQ);
163	break;
164	case 'scale':
165	answersDiv.innerHTML = "";
166	//what scale (min max incr)
167	if (answers != null)
168	minMaxIncr(numQ, answers[1], answers[2], answers[3]);
169	else
170	minMaxIncr(numQ);
171	break;
172	default:
173	break;
174	}
175
176	}
177
178	function handleAnswerChange(questionNumber)
179	{
180	removeQuestionID(questionNumber);
181	}
182
183	function removeQuestionID(questionNumber)
184	{
185	/* When type changes, remove question ID, because question changes */
186	var questionIDInput = document.getElementById("questionID" + questionNumber);
187	if (questionIDInput != null)
188	{
189	var questionsDiv = document.getElementById("questionsDiv");
190	questionsDiv.removeChild(questionIDInput);
191	}
192
193	}
194
195
196	function addOption(questionNumber, optionStr)
197	{
198	var answersDiv = document.getElementById("answersDiv" + questionNumber);
199	var answerCount = answersDiv.answerCount;
200	var answerDiv = document.createElement("div");
201
202	if (optionStr == null)
203	var optionStr = "Option " + answerCount;
204
205
206	answerDiv.className = "answerDiv";
207
208	var htmlStr = "<input type='text' name='q" +
209	questionNumber + "ans" + answerCount + "' onchange='handleAnswerChange(" + questionNumber + ")' value='" + optionStr + "' />";
210
211	if (answersDiv.clicked == null)
212	{
213	htmlStr += "<input type='button' id='addOpt'"
214	+ " class='surveyButton' onclick='addOption(" + questionNumber + ")' value='Add Option' />" +
215	"<input type='button' class='surveyButton' onclick='removeOption(" + questionNumber + ")' value='x' />";
216
217	answersDiv.clicked = true;
218	}
219
220	answerDiv.innerHTML = htmlStr;
221
222	answerDiv.prev = answersDiv.lastAnswer; //singly linked list
223	answersDiv.lastAnswer = answerDiv;
224
225	answersDiv.appendChild(answerDiv);
226	answersDiv.answerCount
227
228	handleAnswerChange(questionNumber);
229	}
230
231	function removeOption(questionNumber)
232	{
233	var answersDiv = document.getElementById("answersDiv" + questionNumber);
234
235	if (answersDiv.lastAnswer.prev != null)
236	{
237	answersDiv.removeChild(answersDiv.lastAnswer);
238	answersDiv.lastAnswer = answersDiv.lastAnswer.prev;
239	answersDiv.answerCount--;
240	}
241
242	handleAnswerChange(questionNumber);
243	}
244
245	function minMax(questionNumber, min, max)
246	{
247	if (min == null)
248	var min = '';
249	if (max == null)
250	var max = '';
251
252	var answersDiv = document.getElementById("answersDiv" + questionNumber);
253
254	var answerDiv = document.createElement("div");
255
256	answerDiv.className = "answerDiv";
257	answerDiv.innerHTML = "<label for='min'>Min</label><input type='text' value='" + min + "' name='q" + questionNumber + "ans1' />" +
258	"<label for='max'>Max</label><input type='text' value='" + max + "' name='q" + questionNumber + "ans2' />";
259
260	answersDiv.appendChild(answerDiv);
261	}
262
263	function minMaxIncr(questionNumber, left, right, incr)
264	{
265	if (left == null)
266	var left = '';
267	if (right == null)
268	var right = '';
269	if (incr == null)
270	var incr = '';
271
272	var answersDiv = document.getElementById("answersDiv" + questionNumber);
273
274	var answerDiv = document.createElement("div");
275	answerDiv.className = "answerDiv";
276	answerDiv.innerHTML = "<label>Left label</label><input type='text' value='" + left + "' onchange='handleAnswerChange(" + questionNumber + ")' name='q" + questionNumber + "ans1' />" +
277	"<label>Right label</label><input type='text' value='" + right + "' onchange='handleAnswerChange(" + questionNumber + ")' name='q" + questionNumber + "ans2' />" +
278	"<label>Scale count</label><input type='text' value='" + incr + "' onchange='handleAnswerChange(" + questionNumber + ")' name='q" + questionNumber + "ans3' />" +
279	"<div id='inputCheckFeedback'" + questionNumber + "";
280
281	answersDiv.appendChild(answerDiv);
282	}
283
284
285	function addQuestion(title, description)
286	{
287	var questionsDiv = document.getElementById('questionsDiv');
288	var newQuestion = getNewQuestion(title, description);
289
290
291	newQuestion.prev = document.lastQuestion;
292	document.lastQuestion = newQuestion;
293
294	questionsDiv.appendChild(newQuestion);
295	questionCount++;
296	}
297
298	function removeLastQuestion()
299	{
300	var questionsDiv = document.getElementById('questionsDiv');
301
302	if (document.lastQuestion.prev != null)
303	{
304	questionsDiv.removeChild(document.lastQuestion);
305	document.lastQuestion = document.lastQuestion.prev;
306	questionCount--;
307	}
308	else
309	{
310	// do nothing
311	}
312	}
313
314	function save(surveyID)
315	{
316	var form = document.getElementById('survey');
317	var questionsDiv = document.getElementById('questionsDiv');
318	form.action = "surveycreation.php";
319
320	/* extra time stamp */
321	var date = new Date();
322	var minutes = date.getUTCMinutes();
323	if (minutes < 10)
324	minutes = "0" + minutes;
325	var timeStamp = date.getHours() + ":" + minutes;
326	var timeStampInput = document.createElement("input");
327	timeStampInput.name = "timeStamp";
328	timeStampInput.value = timeStamp;
329	timeStampInput.type = "hidden";
330
331	var surveyIDInput = document.createElement("input");
332	surveyIDInput.name = "surveyID";
333	surveyIDInput.value = surveyID;
334	surveyIDInput.type = "hidden";
335
336	questionsDiv.appendChild(timeStampInput);
337	questionsDiv.appendChild(surveyIDInput);
338	form.submit();
339	}
340
341
342	</script>
343	<?php
344	}
345
346	private function surveyHead() {
347	?><div id="surveyHead">
348	<?php
349	$this->titleBox();
350	$this->saveSurvey();
351	$this->descriptionBox();
352	?></div>
353	<?php
354	}
355
356	private function titleBox() {
357	if (isset($this->survey->title))
358	$value = $this->survey->title;
359	else
360	$value = 'Untitled Survey';
361	?>
362	<input type="text" id="surveyTitle" name="surveyTitle" value="<?php echo $value ?>" onblur="handleBlur(this)" onfocus="handleFocus(this)" />
363	<?php
364	}
365
366	private function saveSurvey() {
367	if (isset($this->timeStamp))
368	echo "<div id='timeStamp'>Last saved " . $this->timeStamp . '</div>';
369	if (isset($this->survey->id))
370	$id = $this->survey->id;
371	else
372	$id = null;
373	?>
374	<input id="surveySaveButton" type="button" onclick="save('<?php echo $id; ?>')" class='surveyButton' value='Save' />
375	<?php
376	}
377
378	private function descriptionBox() {
379	if (isset($this->survey->description))
380	$value = $this->survey->description;
381	else
382	$value = 'Write a helpful description for this survey here.';
383	?>
384	<textarea id="surveyDescription" name="surveyDescription" onblur="handleBlur(this)" onfocus="handleFocus(this)"><?php echo $value; ?></textarea>
385	<?php
386	}
387
388	private function questionCreationForm() {
389	?>
390	<div id='questionsDiv'>
391	</div>
392	<?php
393	if (isset($this->survey)) {
394	foreach ($this->survey->questions as $numQ => $question) {
395	?>
396	<script type="text/javascript">
397	var answers = new Array();
398	<?php
399	/* Put all answers in js array */
400	foreach ($question->answers as $numA => $answer) {
401	echo "answers[" . $numA . "] = '" . $answer . "'; ";
402	}
403	?>
404
405	addQuestion('<?php echo $question->title; ?>', '<?php echo $question->description; ?>');
406
407	var select = document.getElementById('<?php echo $numQ; ?>');
408	var type = '<?php echo $question->type; ?>';
409
410	for (var i = 0; i < select.options.length; i++) {
411	if (select.options[i].value == type)
412	{
413	select.options[i].selected = true;
414	handleType(select, answers)
415	break;
416	}
417	}
418
419
420	/* questionID stuff */
421	var questionIDInput = document.createElement("input");
422	questionIDInput.id = "questionID<?php echo $numQ; ?>";
423	questionIDInput.name = "questionID<?php echo $numQ; ?>";
424	questionIDInput.value = "<?php echo $question->id; ?>";
425	questionIDInput.type = "hidden";
426
427	document.getElementById("questionsDiv").appendChild(questionIDInput);
428
429	</script>
430	<?php
431	}
432	} else {
433	?>
434	<script type="text/javascript"> addQuestion();</script>
435	<?php
436	}
437	}
438
439	private static function addQuestionButton() {
440	?>
441	<input id="addQuestionButton" type="button" onclick="addQuestion()" value="Add New Question" class="surveyButton" />
442	<?php
443	}
444
445	private static function removeLastQuestionButton() {
446	?>
447	<input type="button" onclick="removeLastQuestion()" value="x" class="surveyButton" />
448	<?php
449	}
450
451	private static function submitbutton() {
452	?>
453	<input type="submit" name="submitSurvey"
454	value="Submit Survey!" class="surveyButton" id="submitSurvey"/>
455	<?php
456	}
457
458	}
459	?>

Note: See TracBrowser for help on using the repository browser.

Download in other formats: