MediaWiki:Common.js

/* 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) { unHighlightLines(currentTranscriptHl.id.split("-")[1], true); currentTranscriptHl = null; currentTranscriptHlEnd = null; }	document.getElementById("bodyContent").removeEventListener('click', transcriptLine, true); }

function unHighlightLines(start, several) { start = parseInt(start); if(!several) { document.getElementById("transline-" + start).style.background = "transparent"; document.getElementById("transline-" + start).style.backgroundColor = ""; } else { var i = start; while(1) { if(document.getElementById("transline-" + i)==null || document.getElementById("transline-" + i).style.backgroundColor=="") return; document.getElementById("transline-" + i).style.background = "transparent"; document.getElementById("transline-" + i).style.backgroundColor = ""; i++; }	} }

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) { unHighlightLines(currentTranscriptHl.id.split("-")[1], true); 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, true); 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", ""); 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", ""); } else { var hl2Top = parseInt(currentTranscriptHlEnd.id.split("-")[1]); input1.setAttribute("value", wgServer + "/" + wgPageName + "#link-" + hlTop + "-" + hl2Top); input2.setAttribute("value", ""); }	} }

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; } }