MediaWiki:Common.js
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/* Any JavaScript here will be loaded for all users on every page load. */
var reasonCaptionShow = "Show reason";
var reasonCaptionHide = "Hide reason";
var hasClass = (function () {
var reCache = {};
return function (element, className) {
return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
};
})();
function collapseReason(id) {
var content = document.getElementById("reasonContent-" + id);
var rSwitch = document.getElementById("reasonSwitch-" + id);
if(rSwitch.firstChild.data==reasonCaptionShow) {
content.style.display = "block";
rSwitch.firstChild.data = reasonCaptionHide;
} else {
content.style.display = "none";
rSwitch.firstChild.data = reasonCaptionShow;
}
}
function createAllReasonButtons() {
var reasonIndex = 0;
var divs = document.getElementsByTagName("div");
for(var i = 0; i < divs.length; i++) {
if(hasClass(divs[i], "reasonContainer")) {
var rSwitch = divs[i].childNodes[0].lastChild;
var content = divs[i].childNodes[1];
content.setAttribute("id", "reasonContent-" + reasonIndex);
var link = document.createElement("a");
var linkCaption = document.createTextNode(reasonCaptionShow);
link.setAttribute("id", "reasonSwitch-" + reasonIndex);
link.setAttribute("href", "javascript:collapseReason(" + reasonIndex + ");");
link.appendChild(linkCaption);
rSwitch.appendChild(link);
reasonIndex++;
}
}
}
addOnloadHook(createAllReasonButtons);
function columnAreaImage(){
var divS;
var divC;
if (document.getElementById ) {
divS = document.getElementById("column-content");
divC = document.getElementById("content");
} else if (document.all ) {
divS = document.all["column-content"];
divC = document.all["content"];
} else {
return;
}
if ( divS && divS.style ){
var divSHval;
if (divS.style.pixelHeight) {
divSHval= divS.style.pixelHeight;
} else {
divSHval= divS.offsetHeight;
}
if(Number(divSHval) >1136){
//1136=768(number bigger than background image and side buttons)+imgheight(370)
divS.style.backgroundImage = "url(/images/0/02/Infosphere_lower_Background.png)";
divS.style.backgroundPosition = "bottom left";
divS.style.backgroundRepeat = "no-repeat";
if(hasClass(document.body, "ns-8"))
return;
if(divC && divC.style ) {
//Uhm... apparently this is working now! Woo!
divC.style.backgroundImage = "url(/images/4/44/Infosphere_content_Background.png)";
divC.style.backgroundPosition = "bottom left";
divC.style.backgroundRepeat = "no-repeat";
}
}
}
}
addOnloadHook(columnAreaImage);
function getClientHeight() {
return document.documentElement.clientHeight;
}
//The following is for transcript articles.
var currentTranscriptTarget = null;
var currentTranscriptTarget2 = null;
var currentTranscriptHl = null;
var currentTranscriptHlEnd = null;
var writtenTranscriptLineLink = false;
var transcriptHlColour = "#888888";
var transcriptHlSecondMode = false;
function transcriptStart() {
if(!document.getElementById("transcript-field")) //check if it is a transcript article, otherwise jump out.
return;
var tf = document.getElementById("transcript-field");
while(tf.firstChild)
tf.removeChild(tf.firstChild);
var activateText = document.createTextNode("Activate edit mode");
var activateAnchor = document.createElement("a");
activateAnchor.setAttribute("href", "javascript:activateTranscript();");
activateAnchor.appendChild(activateText);
tf.appendChild(activateAnchor);
giveTranscriptElementsId();
//Let's check if someone linked to a specific line in the transcript.
var bookmark = location.hash;
if(bookmark) {
var bs = bookmark.split("-");
var line = document.getElementById("transline-" + bs[1]);
currentTranscriptHl = line;
var ypos = line.offsetTop - (getClientHeight()/2);
line.style.backgroundColor = transcriptHlColour;
if(bs[2]) {
var lstart = parseInt(bs[1]);
var lend = parseInt(bs[2]);
if(lstart < lend) {
for(var i = lstart+1; i<=lend; i++) {
var tmp = document.getElementById("transline-" + i);
if(tmp==null)
break;
tmp.style.backgroundColor = transcriptHlColour;
currentTranscriptHlEnd = tmp;
}
if((currentTranscriptHlEnd.offsetTop - line.offsetTop + 50) > getClientHeight())
ypos = line.offsetTop - 50;
else
ypos = line.offsetTop + (currentTranscriptHlEnd.offsetTop - line.offsetTop)/2 - (getClientHeight()/2);
}
}
window.scrollBy(0, ypos);
}
}
addOnloadHook(transcriptStart);
function giveTranscriptElementsId() {
var c = document.getElementById("bodyContent");
var elementIndex = 0;
var kids = c.childNodes;
for(var i = 0; i < kids.length; i++) {
var nt = kids[i].nodeType;
if(nt!=1)
continue;
var tn = kids[i].tagName.toLowerCase();
if(tn=="dl" || (tn=="div" && hasClass(kids[i], "poem"))) {
kids[i].setAttribute("id", "transline-" + elementIndex);
elementIndex++;
}
}
}
function activateTranscript() {
var te = document.getElementById("transcript-edit");
while(te.firstChild)
te.removeChild(te.firstChild);
var tf = document.getElementById("transcript-field");
while(tf.firstChild)
tf.removeChild(tf.firstChild);
var deactivateAnchor = document.createElement("a");
var deactivateText = document.createTextNode("Deactivate edit mode");
deactivateAnchor.setAttribute("href", "javascript:deactivateTranscript();");
deactivateAnchor.appendChild(deactivateText);
var helpText = document.createTextNode("Double click any line to begin.");
var div1 = document.createElement("div");
var div2 = document.createElement("div");
var p = document.createElement("p");
var div3 = document.createElement("div");
div1.setAttribute("class", "infoboxCentre");
div2.setAttribute("id", "transcript-lineedit");
div2.setAttribute("class", "infoboxCentre");
p.setAttribute("style", "font-weight: bold;");
div3.setAttribute("id", "transcript-linelink");
div1.appendChild(deactivateAnchor);
p.appendChild(helpText);
div2.appendChild(p);
te.appendChild(div1);
te.appendChild(div2);
te.appendChild(div3);
te.setAttribute("style", "display:block; position: fixed; top: " + (getClientHeight()/2) + "px; right: 10px;");
document.getElementById("bodyContent").addEventListener('click', transcriptLine, true);
}
function deactivateTranscript() {
var te = document.getElementById("transcript-edit");
while(te.firstChild)
te.removeChild(te.firstChild);
var tf = document.getElementById("transcript-field");
te.style.display = "none";
var activateText = document.createTextNode("Activate edit mode");
var activateAnchor = document.createElement("a");
activateAnchor.setAttribute("href", "javascript:activateTranscript();");
activateAnchor.appendChild(activateText);
tf.appendChild(activateAnchor);
if(currentTranscriptHl!=null) {
endid = 0;
if(currentTranscriptHlEnd!=null)
endid = currentTranscriptHlEnd.id.split("-")[1];
unHighlightLines(currentTranscriptHl.id.split("-")[1], endid);
currentTranscriptHl = null;
currentTranscriptHlEnd = null;
}
document.getElementById("bodyContent").removeEventListener('click', transcriptLine, true);
}
function unHighlightLines(start, end) {
start = parseInt(start);
end = parseInt(end);
if(end==null || end==0) {
document.getElementById("transline-" + start).style.background = "transparent";
document.getElementById("transline-" + start).style.backgroundColor = "";
} else {
for(var i = start; i<=end; i++) {
document.getElementById("transline-" + i).style.background = "transparent";
document.getElementById("transline-" + i).style.backgroundColor = "";
}
}
}
function getTranscriptElement(el) {
var tn = el.tagName.toLowerCase();
if(tn=="dl" || (tn=="div" && hasClass(el, "poem")))
return el;
var ptn = el.parentNode.tagName.toLowerCase();
switch(tn) {
case "i":
case "em":
if(ptn=="dd")
return el.parentNode.parentNode;
if(ptn=="p")
return el.parentNode.parentNode;
case "dd":
return el.parentNode;
case "b":
case "strong":
if(ptn=="p")
return el.parentNode.parentNode;
if(ptn=="i")
return el.parentNode.parentNode.parentNode;
case "dl":
return el.parentNode;
case "p":
return el.parentNode;
default:
return null;
}
}
function transcriptLine(event) {
if(!event) event = window.event;
var el = getTranscriptElement(event.target);
if(el==null)
return;
if(!transcriptHlSecondMode) {
if((currentTranscriptTarget == el) && (currentTranscriptHl!=el)) {
//Since we are here, it must be assumed this is the second time we clicked it.
el.style.backgroundColor = transcriptHlColour;
if(currentTranscriptHl) {
endid = 0;
if(currentTranscriptHlEnd!=null)
endid = currentTranscriptHlEnd.id.split("-")[1];
unHighlightLines(currentTranscriptHl.id.split("-")[1], endid);
currentTranscriptHlEnd = null;
}
setTranscriptStatus("Work with this line or click another.");
currentTranscriptHl = el;
transcriptLineLink();
} else if(currentTranscriptTarget!=el) {
currentTranscriptTarget = el;
}
} else {
if((currentTranscriptTarget2 == el) && (currentTranscriptHlEnd!=el)) {
startid = parseInt(currentTranscriptHl.id.split("-")[1]);
endid = parseInt(el.id.split("-")[1]);
unHighlightLines(startid+1, endid);
for(var i = startid+1; i<=endid; i++)
document.getElementById("transline-" + i).style.backgroundColor = transcriptHlColour;
currentTranscriptHlEnd = document.getElementById("transline-" + endid);
transcriptLineLink();
} else if(currentTranscriptTarget2!=el) {
currentTranscriptTarget2 = el;
}
}
}
function transcriptLineLink() {
hlTop = parseInt(currentTranscriptHl.id.split("-")[1]);
if(!writtenTranscriptLineLink) {
writtenTranscriptLineLink = true;
var tll = document.getElementById("transcript-linelink");
var strong = document.createElement("strong");
var text1 = document.createTextNode("Link to this line:");
var text2 = document.createTextNode("Direct URL:");
var text3 = document.createTextNode("In other articles:");
var label1 = document.createElement("label");
var label2 = document.createElement("label");
label1.setAttribute("for", "transcript-directlinelink");
label1.setAttribute("style", "float: left; clear:left;");
label2.setAttribute("for", "transcript-articlelinelink")
label2.setAttribute("style", "float: left; clear:left;");
var input1 = document.createElement("input");
var input2 = document.createElement("input");
input1.setAttribute("id", "transcript-directlinelink");
input1.setAttribute("size", "32");
input1.setAttribute("type", "text");
input1.setAttribute("value", wgServer + "/" + wgPageName + "#link-" + hlTop);
input1.setAttribute("style", "float: left; clear:left; font-size: 0.85em; width: 240px;");
input1.setAttribute("onFocus", "this.select();");
input2.setAttribute("id", "transcript-articlelinelink");
input2.setAttribute("size", "32");
input2.setAttribute("type", "text");
input2.setAttribute("value", "{{transline|" + wgTitle.split(" (")[0] + "|" + hlTop + "}}");
input2.setAttribute("style", "float: left; clear:left; font-size: 0.85em; width: 240px;");
input2.setAttribute("onFocus", "this.select();");
strong.appendChild(text1);
label1.appendChild(text2);
label2.appendChild(text3);
tll.appendChild(strong);
tll.appendChild(label1);
tll.appendChild(input1);
tll.appendChild(label2);
tll.appendChild(input2);
var tel = document.getElementById("transcript-lineedit");
var p1 = document.createElement("p");
var p2 = document.createElement("p");
var editAnchor = document.createElement("a");
var editText = document.createTextNode("Edit this line");
var multipleAnchor = document.createElement("a");
var multipleText = document.createTextNode("Highlight multiple lines");
editAnchor.setAttribute("href", "javascript:transcriptEditThisLine();");
multipleAnchor.setAttribute("href", "javascript:transcriptHlMultiple();");
multipleAnchor.setAttribute("id", "transcript-multiple");
editAnchor.appendChild(editText);
multipleAnchor.appendChild(multipleText);
p1.appendChild(editAnchor);
p2.appendChild(multipleAnchor);
tel.appendChild(p1);
tel.appendChild(p2);
} else {
var input1 = document.getElementById("transcript-directlinelink");
var input2 = document.getElementById("transcript-articlelinelink");
if(!transcriptHlSecondMode) {
input1.setAttribute("value", wgServer + "/" + wgPageName + "#link-" + hlTop);
input2.setAttribute("value", "{{transline|" + wgTitle.split(" (")[0] + "|" + hlTop + "}}");
} else {
var hl2Top = parseInt(currentTranscriptHlEnd.id.split("-")[1]);
input1.setAttribute("value", wgServer + "/" + wgPageName + "#link-" + hlTop + "-" + hl2Top);
input2.setAttribute("value", "{{transline|" + wgTitle.split(" (")[0] + "|" + hlTop + "|" + hl2Top + "}}");
}
}
}
function setTranscriptStatus(msg) {
document.getElementById("transcript-lineedit").firstChild.firstChild.data = msg;
}
function transcriptEditThisLine() {
//Not yet implemented.
setTranscriptStatus("This function is not yet implemented.");
}
function transcriptHlMultiple() {
if(!transcriptHlSecondMode) {
setTranscriptStatus("Double click a line below the current one.");
document.getElementById("transcript-multiple").firstChild.data = "Leave multiple highlight mode";
transcriptHlSecondMode = true;
} else {
setTranscriptStatus("Double click a line.");
document.getElementById("transcript-multiple").firstChild.data = "Highlight multiple lines";
transcriptHlSecondMode = false;
}
}