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 docCaptionShow = "Show documentation"; var docCaptionHide = "Hide documentation"; var tpbCoverChange = "Alternate Cover";

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 collapseDoc(id) { var content = document.getElementById("docContent-" + id); var rSwitch = document.getElementById("docSwitch-" + id); if(rSwitch.firstChild.data==docCaptionShow) { content.style.display = "block"; rSwitch.firstChild.data = docCaptionHide; } else { content.style.display = "none"; rSwitch.firstChild.data = docCaptionShow; } }

function createAllDocButtons { var docIndex = 0; var divs = document.getElementsByTagName("div"); for(var i = 0; i < divs.length; i++) { if(hasClass(divs[i], "template-documentation")) { var subs = divs[i].childNodes; for(var j = 0; j < subs.length; j++) { if(hasClass(subs[j], "fake-h2")) var rSwitch = subs[j].firstChild; if(hasClass(subs[j], "documentation-content")) var content = subs[j]; }

content.setAttribute("id", "docContent-" + docIndex);

var link = document.createElement("a"); var linkCaption = document.createTextNode(docCaptionHide); link.setAttribute("id", "docSwitch-" + docIndex); link.setAttribute("href", "javascript:collapseDoc(" + docIndex + ");"); link.appendChild(linkCaption); rSwitch.appendChild(link);

docIndex++; } }  if(docIndex>2) { for(var i = 0; i < docIndex; i++) { collapseDoc(i); } } }

addOnloadHook(createAllDocButtons);

function ToggleCoverImage { var el = document.getElementById("image2"); if ( el.style.display != 'none' ) { el.style.display = 'none'; } else { el.style.display = ''; } el = document.getElementById("image1"); if ( el.style.display != 'none' ) { el.style.display = 'none'; } else { el.style.display = ''; } }

function createAllCoverButtons {

var divs = document.getElementsByTagName("div"); for(var i = 0; i < divs.length; i++) { if(hasClass(divs[i], "CoverToggle")) { // var content = divs[i].lastChild; var link = document.createElement("a"); var linkCaption = document.createTextNode(tpbCoverChange); link.setAttribute("href", "javascript:ToggleCoverImage;"); link.appendChild(linkCaption); divs[i].appendChild(link); break; } } } addOnloadHook(createAllCoverButtons);

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; var specialCharacters = ["!", "*", "'", "(", ")", ";", ":", "@", "&", "=", "+", "$", ",", "/", "?", "%", "#", "[", "]" ]; var specialCharactersValues = {"!" : "%21", "*" : "%2A", "'" : "%27", "(" : "%28", ")" : "%29", ";" : "%3B", ":" : "%3A", "@" : "%40", "&" : "%26", "=" : "%3D", "+" : "2B", "$" : "%24", "," : "%2C", "/" : "%2F", "?" : "%3F", "%" : "%25", "#" : "%23", "[" : "%5B", "]" : "%5D" };

function handleURI(str) { var tmp = str; for(var i = 0; i < specialCharacters.length; i++) { if(tmp.indexOf(specialCharacters[i])!=-1) tmp = tmp.replace(specialCharacters[i], specialCharactersValues[specialCharacters[i]]); }   return tmp; }

function getStyle(el,styleProp) { var x = document.getElementById(el); if (x.currentStyle) var y = x.currentStyle[styleProp]; else if (window.getComputedStyle) var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp); return y; }

function timeStamps { var spans = document.getElementsByTagName('span'); for(var i = 0; i < spans.length; i++) { if(hasClass(spans[i], 'timestamp')) { spans[i].onMouseOver = "timeStampAction(this, true);"; spans[i].onMouseOut = "timeStampAction(this, false);"; }   } }

function timeStampAction(element, mouseover) { var span = element.getElementsByTagName('span')[0]; if(mouseover) { span.style.display = 'inherit'; } else { span.style.display = 'none'; } }

function transcriptStart { if((!document.getElementById("transcript-field") && wgAction=="view") || (wgTitle.indexOf("(transcript)")==-1 && wgAction=="edit")) //check if it is a transcript article, otherwise jump out. return; if(wgAction=="view") { timeStamps; 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); }   } else if(wgAction=="edit") { var bookmark = location.hash; if(bookmark.indexOf("-")==-1) return; var lineid = parseInt(bookmark.split("-")[1]) var findLine = 0; var fullContent = document.getElementById("wpTextbox1").firstChild.data.split("\n"); var inTemplate = false; var line = ""; var fontSize = parseInt(getStyle("wpTextbox1", "font-size")); if(!fontSize) fontSize = parseInt(getStyle("wpTextbox1", "fontSize")); var cWidth = parseInt(document.getElementById("wpTextbox1").offsetWidth); var fontWidth = fontSize/2 + 1; var lineLength = Math.floor(cWidth/fontWidth - 3 * fontWidth); var inBoxLine = 0; for(var i = 0; i < fullContent.length; i++) { var tmpline = fullContent[i]; if(tmpline.indexOf("}}")!=-1) { inTemplate = false; findLine--; } else if(tmpline.indexOf("{{")!=-1) { inTemplate = true; }           if(!inTemplate) findLine++; if(findLine>lineid) break; inBoxLine += Math.floor(tmpline.length/lineLength) + 1; }       //var cHeight = document.getElementById("wpTextbox1").offsetHeight; var ypos = Math.floor(inBoxLine * (fontSize + 2)); document.getElementById("wpTextbox1").scrollTop = 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; }   writtenTranscriptLineLink = false; 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) { if(el.id.indexOf("transline-")!=-1) return el; while(el.id.indexOf("transline-")==-1) { if(el.id=="bodyContent") return null; el = el.parentNode; }   return el; }

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

function setTranscriptStatus(msg) { document.getElementById("transcript-lineedit").firstChild.firstChild.data = msg; }

function transcriptEditThisLine { var lid = parseInt(currentTranscriptHl.id.split("-")[1]); var url = wgServer + "/index.php?title=" + wgPageName + "&action=edit#line-" + lid; location.href = url; }

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; } }