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source: Dev/trunk/classes/SurveyCreationTool.php @ 20

Last change on this file since 20 was 20, checked in by fpvanagthoven, 14 years ago
Last option can now be removed.
File size: 12.2 KB

Rev	Line
[10]	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	public function __construct() {
[11]	12	SurveyCreationTool::javascript();
	13	?>
[17]	14
[11]	15	<div id="surveyCreation"><form action="submitsurvey.php" method="post">
	16	<?php
	17	SurveyCreationTool::titleBox();
	18	SurveyCreationTool::descriptionBox();
	19	SurveyCreationTool::questionCreationForm();
[17]	20	SurveyCreationTool::addQuestionButton();
[19]	21	SurveyCreationTool::removeLastQuestionButton();
[11]	22	SurveyCreationTool::submitButton();
	23	?></form></div>
	24	<?php
[10]	25	}
	26
[11]	27	private static function javascript() {
	28	?>
	29	<script type="text/javascript">
[17]	30	var questionCount = 1;
[20]	31
[17]	32	function getNewQuestion()
	33	{
	34	var questionDiv = document.createElement("div");
	35	var htmlStr =
	36	"<div id='question" + questionCount + "' class='question'>" +
	37	"<table class='questionTable'>" +
	38	"<th>Question " + questionCount + "</th>" +
	39	"<tr><td><label for='questionTitle'>Title</label></td>" +
	40	"<td><input type='text' class='questionTitle' name='questionTitle" + questionCount + "' size='30' value='Untitled Question' /></td></tr>" +
	41	"<tr><td><label for='questionDescription'>Description</label></td>" +
	42	"<td><input type='text' class='questionDescription' name='questionDescription" + questionCount + "' size='60' value='Write a question description here.' /></td>" +
	43	"<tr><td><label for='questionType'>Answer type</label></td>" +
	44	"<td><select id='" + questionCount + "' name='questionType" + questionCount + "' onchange='handleType(this)'><br />"+
	45	"<option value='text' selected='selected'>Text</option>" +
[18]	46	"<option value='int'>Integer</option>" +
	47	"<option value='mc'>Multiple choice</option>" +
[17]	48	"<option value='checkboxes'>Checkboxes</option>" +
	49	"<option value='scale'>Scale</option>" +
	50	"</select></td></tr>" +
	51	"</table>" +
	52	"<div id='answersDiv" + questionCount + "'></div>" +
	53	"</div>";
[20]	54
[17]	55	questionDiv.innerHTML = htmlStr;
[20]	56
[17]	57	return questionDiv;
	58	}
[20]	59
[11]	60	function handleFocus(input)
	61	{
	62	if (input.clicked == null)
	63	{
	64	input.value = "";
	65	input.style.color = "black";
	66	input.clicked = true;
	67	}
	68	}
[20]	69
[11]	70	function handleBlur(input)
[17]	71	{
	72	var surveyTitle = document.getElementById('surveyTitle');
	73	var surveyDescription = document.getElementById('surveyDescription');
[20]	74
[11]	75	if (input.value == "")
	76	{
	77	input.style.color = "gray";
	78	input.clicked = null;
[20]	79
[17]	80	if (input == surveyTitle)
	81	{
	82	input.value = "Untitled Survey";
	83	}
	84	else if (input == surveyDescription)
	85	{
	86	input.value = "Write a helpful description for this survey here.";
	87	}
	88	}
	89	}
[20]	90
[17]	91	function handleType(select)
	92	{
	93	var type = select.valueOf().value;
	94	var answersDiv = document.getElementById("answersDiv" + select.id);
	95	answersDiv.answerCount = 1;
	96	answersDiv.clicked = null;
[20]	97
[17]	98	switch (type) {
[18]	99	case 'mc':
[17]	100	answersDiv.innerHTML = "";
	101	addOption(select.id);
[20]	102
[17]	103	break;
	104	case 'text':
	105	answersDiv.innerHTML = "";
	106	break;
[18]	107	case 'int':
	108	answersDiv.innerHTML = "";
	109	//min max
	110	minMax(select.id);
	111	break;
[17]	112	case 'checkboxes':
[18]	113	answersDiv.innerHTML = "";
	114	addOption(select.id);
[17]	115	break;
	116	case 'scale':
[18]	117	answersDiv.innerHTML = "";
	118	//what scale (min max incr)
[19]	119	minMaxIncr(select.id);
[17]	120	break;
	121	default:
	122	break;
[11]	123	}
[17]	124
[11]	125	}
[20]	126
[19]	127
[17]	128	function addOption(questionNumber)
	129	{
	130	var answersDiv = document.getElementById("answersDiv" + questionNumber);
	131	var answerCount = answersDiv.answerCount;
	132	var answerDiv = document.createElement("div");
	133	answerDiv.className = "answerDiv";
[20]	134
[17]	135	var htmlStr = "<input type='text' name='q" +
	136	questionNumber + "ans" + answerCount + "' value='Option " + answerCount + "' />";
[20]	137
[17]	138	if (answersDiv.clicked == null)
	139	{
	140	htmlStr += "<input type='button' id='addOpt'"
[20]	141	+ " class='surveyButton' onclick='addOption(" + questionNumber + ")' value='Add Option' />" +
	142	"<input type='button' class='surveyButton' onclick='removeOption(" + questionNumber + ")' value='x' />";
	143
[17]	144	answersDiv.clicked = true;
	145	}
[20]	146
[17]	147	answerDiv.innerHTML = htmlStr;
[20]	148
	149	answerDiv.prev = answersDiv.lastAnswer; //singly linked list
	150	answersDiv.lastAnswer = answerDiv;
	151
[17]	152	answersDiv.appendChild(answerDiv);
	153	answersDiv.answerCount++;
	154	}
[20]	155
	156	function removeOption(questionNumber)
	157	{
	158	var answersDiv = document.getElementById("answersDiv" + questionNumber);
	159
	160	if (answersDiv.lastAnswer.prev != null)
	161	{
	162	answersDiv.removeChild(answersDiv.lastAnswer);
	163	answersDiv.lastAnswer = answersDiv.lastAnswer.prev;
	164	answersDiv.answerCount--;
	165	}
	166	}
	167
[18]	168	function minMax(questionNumber)
	169	{
[19]	170	var answersDiv = document.getElementById("answersDiv" + questionNumber);
[20]	171
[19]	172	var answerDiv = document.createElement("div");
	173	answerDiv.className = "answerDiv";
	174	answerDiv.innerHTML = "<label for='min'>Min</label><input type='text' name='min" + questionNumber + "' />" +
	175	"<label for='max'>Max</label><input type='text' name='max" + questionNumber + "' />";
[20]	176
[18]	177	answersDiv.appendChild(answerDiv);
[19]	178	}
[20]	179
[19]	180	function minMaxIncr(questionNumber)
	181	{
	182	minMax(questionNumber);
	183	var answersDiv = document.getElementById("answersDiv" + questionNumber);
[20]	184
[19]	185	var answerDiv = document.createElement("div");
	186	answerDiv.className = "answerDiv";
	187	answerDiv.innerHTML = "<label for='incr'>Increment by</label><input type='text' name='incr" + questionNumber + "' />";
[20]	188
[19]	189	answersDiv.appendChild(answerDiv);
	190	}
	191
[20]	192
[17]	193	function addQuestion()
	194	{
	195	var questionsDiv = document.getElementById('questionsDiv');
	196	var newQuestion = getNewQuestion();
[20]	197
[19]	198
	199	newQuestion.prev = document.lastQuestion;
	200	document.lastQuestion = newQuestion;
	201
[17]	202	questionsDiv.appendChild(newQuestion);
	203	questionCount++;
	204	}
[20]	205
[19]	206	function removeLastQuestion()
	207	{
	208	var questionsDiv = document.getElementById('questionsDiv');
[20]	209
[19]	210	if (document.lastQuestion.prev != null)
	211	{
	212	questionsDiv.removeChild(document.lastQuestion);
	213	document.lastQuestion = document.lastQuestion.prev;
	214	questionCount--;
	215	}
	216	else
	217	{
	218	// do nothing
	219	}
	220	}
[20]	221
	222
	223
[11]	224	</script>
	225	<?php
	226	}
	227
[10]	228	private static function titleBox() {
[11]	229	?>
[17]	230	<input type="text" id="surveyTitle" name="surveyTitle" value="Untitled Survey" size="30" onblur="handleBlur(this)" onfocus="handleFocus(this)" />
[11]	231	<?php
[10]	232	}
[11]	233
	234	private static function descriptionBox() {
	235	?>
[17]	236	<textarea id="surveyDescription" rows="3" cols="80" name="surveyDescription" onblur="handleBlur(this)" onfocus="handleFocus(this)">Write a helpful description for this survey here.</textarea>
[11]	237	<?php
[10]	238	}
[11]	239
	240	private static function questionCreationForm() {
[17]	241	?>
	242	<div id='questionsDiv'>
	243	</div>
	244	<script type="text/javascript"> addQuestion(); </script>
	245	<?php
[11]	246	}
	247
	248	private static function addQuestionButton() {
[17]	249	?>
	250	<input id="addQuestionButton" type="button" onclick="addQuestion()" value="Add New Question" class="surveyButton" />
	251	<?php
[10]	252	}
	253
[19]	254	private static function removeLastQuestionButton() {
	255	?>
	256	<input type="button" onclick="removeLastQuestion()" value="x" class="surveyButton" />
	257	<?php
	258	}
	259
[11]	260	private static function submitbutton() {
	261	?>
	262	<input type="submit" name="submitSurvey"
[17]	263	value="Submit Survey!" class="surveyButton" id="submitSurvey"/>
[11]	264	<?php
	265	}
	266
[10]	267	}
	268	?>

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