MediaWiki:Skin/Suchttest.js

/********************************************************************************
*										*
*	Hinweis: irgendwie funktioniert's (sollte es zumindest)			*
*	aber fragt mich bloß nicht, wie ...					*
*	Vermutlich ist das hier alles total umständlich und alles 		*
*	andere als übliches javascript. Aber ich bin ja noch am 		*
*	lernen.									*
*										*
*	--[[Kamel:WiMu|WiMu 12:13, 16. Apr. 2009 (CEST) 			*
*										*
********************************************************************************/

window.onload = function ()
	{
	suchtpotential = 0
	optionvalue    = 0
	notes          = 0
	if(document.getElementById("suchttest"))
		{
		makeoptions ();
		prepare (document.getElementById("numberofcategories").innerHTML);
		}
	};

function makeoptions () {
	optionsouter = document.getElementById("suchttest").getElementsByTagName("li");
	optionsinner = document.getElementById("suchttest").getElementsByTagName("div");
	numberofoptions = 0;
	for (var i = 0; i < optionsinner.length; i++)
		{
		if (optionsinner[i].className == "testoption")
			{
			numberofoptions++
			}
		}
	for (var i = 0; i < numberofoptions; i++)
		{
		for (var j = 0; j < optionsinner[i].getElementsByTagName("span").length; j++)
			{
			switch (optionsinner[i].getElementsByTagName("span")[j].className)
				{
				case "testoptionvalueinner":
					optionvalue = optionsinner[i].getElementsByTagName("span")[j].innerHTML;
					break;
				case "checkbox":
					optionsinner[i].getElementsByTagName("span")[j].innerHTML = '<input type="checkbox" name="suchtoption" value="' + optionvalue + '" onclick="checksuboptions(' + i + ')">';
					break;
				case "testoptionvalueouter":
					optionsinner[i].getElementsByTagName("span")[j].style.display = "none";
					break;
				case "ref":
					notes++;
					document.getElementById("note" + notes).style.display = "none";
					break;
				default:
					break;
				}
			}
		}
	suboptions = document.getElementById("suchttest").getElementsByTagName("ul");
	numberofsuboptions = suboptions.length;
	for (var i = 0; i < numberofsuboptions; i++)
		{
		suboptions[i].style.display = "none"
		};
	document.getElementById("auswertungsknopp").innerHTML = '<input type="button" name="Auswertung" value="auswerten" onclick="auswertung(' + "'" + document.getElementById("numberofcategories").innerHTML + "'" + ')"><span id="result" style="position:absolute; right:0px; top:0px;"></span>';
	};

function auswertung (numberofcategories) {
	notes = 0
	restorenotes = document.getElementById("suchttest").getElementsByTagName("span");
	for (var i = 0; i < restorenotes.length; i++)
		{
		if (restorenotes[i].className == "refnumber")
			{
			notes++;
			restorenotes[i].innerHTML = notes;
			}
		}
	notes = 0
	for (var i = 0; i < numberofoptions; i++)
		{
		if (document.getElementsByName("suchtoption")[i].checked == true)
			{
			suchtpotential = suchtpotential + Number(document.getElementsByName("suchtoption")[i].value);
			for (var j = 0; j < optionsinner[i].getElementsByTagName("span").length; j++)
				{
				if (optionsinner[i].getElementsByTagName("span")[j].className == "testoptionvalueouter")
					{
					optionsinner[i].getElementsByTagName("span")[j].style.display = "block";
					}
				if (optionsinner[i].getElementsByTagName("span")[j].className == "refnumber")
					{
					notenumber = document.getElementById("note" + optionsinner[i].getElementsByTagName("span")[j].innerHTML);
					notenumber.style.display = "block";
					notes++
					optionsinner[i].getElementsByTagName("span")[j].innerHTML = notes;
					for (var k = 0; k < notenumber.getElementsByTagName("span").length; k++)
						{
						if (notenumber.getElementsByTagName("span")[k].className == "notenumber")
							{
							notenumber.getElementsByTagName("span")[k].innerHTML = notes;
							}
						}
					}
				}
			} else {
			for (var j = 0; j < optionsinner[i].getElementsByTagName("span").length; j++)
				{
				if (optionsinner[i].getElementsByTagName("span")[j].className == "testoptionvalueouter")
					{
					optionsinner[i].getElementsByTagName("span")[j].style.display = "none";
					}
				if (optionsinner[i].getElementsByTagName("span")[j].className == "refnumber")
					{
					document.getElementById("note" + optionsinner[i].getElementsByTagName("span")[j].innerHTML).style.display = "none";
					}
				}
			}
		}
	var maxpoints = document.getElementById("maxpoints").innerHTML;
	var percent   = Math.round((suchtpotential / maxpoints) * 100);
	for (var i = 0; i <= numberofcategories; i++)
		{
		if(suchtpotential >= categories['min' + i] && suchtpotential <= categories['max' + i])
			{
			document.getElementById("defaulttext").innerHTML = "<ul><li><b>Du hast " + suchtpotential + " von " + maxpoints + " möglichen Punkten erreicht</b><br>" + categories['text' + i] + "</ul></li>";
			}
		}
	if(percent >= 0)
		{			
		document.getElementById("suchtomat").style.backgroundColor = 'rgb(' + percent + '%,' + (100 - percent) + '%,0%)';
		document.getElementById("suchtomat").style.height = 75 + (percent * 1.55) + 'px';
		document.getElementById("suchtomat").style.display = "block";
		} else {
		document.getElementById("suchtomat").style.display = "none";
		};
	document.getElementById("result").innerHTML = '(' + suchtpotential + ' Punkte)'
	suchtpotential = 0;
	};

function prepare (numberofcategories) {
	categories = new Array();
	for (var i = 0; i <= numberofcategories; i++)
		{
		categories['min' + i]  = document.getElementById('min' + i).innerHTML;
		categories['max' + i]  = document.getElementById('max' + i).innerHTML;
		categories['text' + i] = document.getElementById('text' + i).innerHTML;
		}
	document.getElementById("auswertungstext").style.display = "none";
	document.getElementById("defaulttext").style.display     = "inline";
	};

function checksuboptions(nr) {
	if (document.getElementsByName("suchtoption")[nr].checked == true && optionsouter[nr].getElementsByTagName("ul")[0])
		{
		optionsouter[nr].getElementsByTagName("ul")[0].style.display = "block";
		}
	if (document.getElementsByName("suchtoption")[nr].checked == false && optionsouter[nr].getElementsByTagName("ul")[0])
		{
		suboptions = optionsouter[nr].getElementsByTagName("ul");
		numberofsuboptions = suboptions.length;
		for (var i = 0; i < numberofsuboptions; i++)
			{
			suboptions[i].style.display = "none";
			suboptions[i].innerHTML = suboptions[i].innerHTML;
			}
		}
	};