Context Navigation

source: Dev/trunk/classes/SurveyCreationTool.php @ 35

Last change on this file since 35 was 35, checked in by fpvanagthoven, 14 years ago
QuestionID now gets passed.
File size: 26.1 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	answersDiv.answerCount = 1;
121	answersDiv.clicked = null;
122
123	switch (type) {
124	case 'mc':
125	answersDiv.innerHTML = "";
126	if (answers != null)
127	{
128	for (var i = 1; i < answers.length; i++)
129	{
130	addOption(numQ, answers[i]);
131	}
132	}
133	else
134	addOption(numQ);
135
136	break;
137	case 'text':
138	answersDiv.innerHTML = "";
139	break;
140	case 'int':
141	answersDiv.innerHTML = "";
142
143	//min max
144	if (answers != null)
145	minMax(numQ, answers[1], answers[2]);
146	else
147	minMax(numQ);
148	break;
149	case 'checkboxes':
150	answersDiv.innerHTML = "";
151	if (answers != null)
152	{
153	for (var i = 1; i < answers.length; i++)
154	{
155	addOption(numQ, answers[i]);
156	}
157	}
158	else
159	addOption(numQ);
160	break;
161	case 'scale':
162	answersDiv.innerHTML = "";
163	//what scale (min max incr)
164	if (answers != null)
165	minMaxIncr(numQ, answers[1], answers[2], answers[3]);
166	else
167	minMaxIncr(numQ);
168	break;
169	default:
170	break;
171	}
172
173	}
174
175
176	function addOption(questionNumber, optionStr)
177	{
178	var answersDiv = document.getElementById("answersDiv" + questionNumber);
179	var answerCount = answersDiv.answerCount;
180	var answerDiv = document.createElement("div");
181
182	if (optionStr == null)
183	var optionStr = "Option " + answerCount;
184
185
186	answerDiv.className = "answerDiv";
187
188	var htmlStr = "<input type='text' name='q" +
189	questionNumber + "ans" + answerCount + "' value='" + optionStr + "' />";
190
191	if (answersDiv.clicked == null)
192	{
193	htmlStr += "<input type='button' id='addOpt'"
194	+ " class='surveyButton' onclick='addOption(" + questionNumber + ")' value='Add Option' />" +
195	"<input type='button' class='surveyButton' onclick='removeOption(" + questionNumber + ")' value='x' />";
196
197	answersDiv.clicked = true;
198	}
199
200	answerDiv.innerHTML = htmlStr;
201
202	answerDiv.prev = answersDiv.lastAnswer; //singly linked list
203	answersDiv.lastAnswer = answerDiv;
204
205	answersDiv.appendChild(answerDiv);
206	answersDiv.answerCount++;
207	}
208
209	function removeOption(questionNumber)
210	{
211	var answersDiv = document.getElementById("answersDiv" + questionNumber);
212
213	if (answersDiv.lastAnswer.prev != null)
214	{
215	answersDiv.removeChild(answersDiv.lastAnswer);
216	answersDiv.lastAnswer = answersDiv.lastAnswer.prev;
217	answersDiv.answerCount--;
218	}
219	}
220
221	function minMax(questionNumber, min, max)
222	{
223	if (min == null)
224	var min = '';
225	if (max == null)
226	var max = '';
227
228	var answersDiv = document.getElementById("answersDiv" + questionNumber);
229
230	var answerDiv = document.createElement("div");
231
232	answerDiv.className = "answerDiv";
233	answerDiv.innerHTML = "<label for='min'>Min</label><input type='text' value='" + min + "' name='q" + questionNumber + "ans1' />" +
234	"<label for='max'>Max</label><input type='text' value='" + max + "' name='q" + questionNumber + "ans2' />";
235
236	answersDiv.appendChild(answerDiv);
237	}
238
239	function minMaxIncr(questionNumber, left, right, incr)
240	{
241	if (left == null)
242	var left = '';
243	if (right == null)
244	var right = '';
245	if (incr == null)
246	var incr = '';
247
248	var answersDiv = document.getElementById("answersDiv" + questionNumber);
249
250	var answerDiv = document.createElement("div");
251	answerDiv.className = "answerDiv";
252	answerDiv.innerHTML = "<label>Left label</label><input type='text' value='" + left + "' name='q" + questionNumber + "ans1' />" +
253	"<label>Right label</label><input type='text' value='" + right + "' name='q" + questionNumber + "ans2' />" +
254	"<label>Scale count</label><input type='text' value='" + incr + "' name='q" + questionNumber + "ans3' />" +
255	"<div id='inputCheckFeedback'" + questionNumber + "";
256
257	answersDiv.appendChild(answerDiv);
258	}
259
260
261	function addQuestion(title, description)
262	{
263	var questionsDiv = document.getElementById('questionsDiv');
264	var newQuestion = getNewQuestion(title, description);
265
266
267	newQuestion.prev = document.lastQuestion;
268	document.lastQuestion = newQuestion;
269
270	questionsDiv.appendChild(newQuestion);
271	questionCount++;
272	}
273
274	function removeLastQuestion()
275	{
276	var questionsDiv = document.getElementById('questionsDiv');
277
278	if (document.lastQuestion.prev != null)
279	{
280	questionsDiv.removeChild(document.lastQuestion);
281	document.lastQuestion = document.lastQuestion.prev;
282	questionCount--;
283	}
284	else
285	{
286	// do nothing
287	}
288	}
289
290	function save(surveyID)
291	{
292	var form = document.getElementById('survey');
293	var questionsDiv = document.getElementById('questionsDiv');
294	form.action = "surveycreation.php";
295
296	/* extra time stamp */
297	var date = new Date();
298	var minutes = date.getUTCMinutes();
299	if (minutes < 10)
300	minutes = "0" + minutes;
301	var timeStamp = date.getHours() + ":" + minutes;
302	var timeStampInput = document.createElement("input");
303	timeStampInput.name = "timeStamp";
304	timeStampInput.value = timeStamp;
305	timeStampInput.type = "hidden";
306
307	var surveyIDInput = document.createElement("input");
308	surveyIDInput.name = "surveyID";
309	surveyIDInput.value = surveyID;
310	surveyIDInput.type = "hidden";
311
312	questionsDiv.appendChild(timeStampInput);
313	questionsDiv.appendChild(surveyIDInput);
314	form.submit();
315	}
316
317
318	</script>
319	<?php
320	}
321
322	private function surveyHead() {
323	?><div id="surveyHead">
324	<?php
325	$this->titleBox();
326	$this->saveSurvey();
327	$this->descriptionBox();
328	?></div>
329	<?php
330	}
331
332	private function titleBox() {
333	if (isset($this->survey->title))
334	$value = $this->survey->title;
335	else
336	$value = 'Untitled Survey';
337	?>
338	<input type="text" id="surveyTitle" name="surveyTitle" value="<?php echo $value ?>" onblur="handleBlur(this)" onfocus="handleFocus(this)" />
339	<?php
340	}
341
342	private function saveSurvey() {
343	if (isset($this->timeStamp))
344	echo "<div id='timeStamp'>Last saved " . $this->timeStamp . '</div>';
345	if (isset($this->survey->id))
346	$id = $this->survey->id;
347	else
348	$id = null;
349	?>
350	<input id="surveySaveButton" type="button" onclick="save('<?php echo $id; ?>')" class='surveyButton' value='Save' />
351	<?php
352	}
353
354	private function descriptionBox() {
355	if (isset($this->survey->description))
356	$value = $this->survey->description;
357	else
358	$value = 'Write a helpful description for this survey here.';
359	?>
360	<textarea id="surveyDescription" name="surveyDescription" onblur="handleBlur(this)" onfocus="handleFocus(this)"><?php echo $value; ?></textarea>
361	<?php
362	}
363
364	private function questionCreationForm() {
365	?>
366	<div id='questionsDiv'>
367	</div>
368	<?php
369	if (isset($this->survey)) {
370	foreach ($this->survey->questions as $numQ => $question) {
371	?>
372	<script type="text/javascript">
373	var questionIDInput = document.createElement("input");
374	questionIDInput.name = "questionID<?php echo $numQ; ?>";
375	questionIDInput.value = "<?php echo $question->id; ?>";
376	questionIDInput.type = "hidden";
377
378	document.getElementById("questionsDiv").appendChild(questionIDInput);
379
380
381	var answers = new Array();
382	<?php
383	/* Put all answers in js array */
384	foreach ($question->answers as $numA => $answer) {
385	echo "answers[" . $numA . "] = '" . $answer . "'; ";
386	}
387	?>
388
389	addQuestion('<?php echo $question->title; ?>', '<?php echo $question->description; ?>');
390
391	var select = document.getElementById('<?php echo $numQ; ?>');
392	var type = '<?php echo $question->type; ?>';
393
394	for (var i = 0; i < select.options.length; i++) {
395	if (select.options[i].value == type)
396	{
397	select.options[i].selected = true;
398	handleType(select, answers)
399	break;
400	}
401	}
402
403	</script>
404	<?php
405	}
406	} else {
407	?>
408	<script type="text/javascript"> addQuestion();</script>
409	<?php
410	}
411	}
412
413	private static function addQuestionButton() {
414	?>
415	<input id="addQuestionButton" type="button" onclick="addQuestion()" value="Add New Question" class="surveyButton" />
416	<?php
417	}
418
419	private static function removeLastQuestionButton() {
420	?>
421	<input type="button" onclick="removeLastQuestion()" value="x" class="surveyButton" />
422	<?php
423	}
424
425	private static function submitbutton() {
426	?>
427	<input type="submit" name="submitSurvey"
428	value="Submit Survey!" class="surveyButton" id="submitSurvey"/>
429	<?php
430	}
431
432	}
433	?>

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

Download in other formats: