Memory Alpha:Scripts/interactive tree

// Start "Hidden appearances section/interactive tree" script; by User:Bp, see User:Bp/interactive tree script // // - function toggleAppearancesPane(eid) { e = document.getElementById(eid); if (e) { e.className = (e.className == "hiddenlist") ? "visiblelist" : "hiddenlist"; } }

function showAppearancesPane(eid) { e = document.getElementById(eid); if (e) { e.className = "visiblelist"; } }

function hideAppearancesPane(eid) { e = document.getElementById(eid); if (e) { e.className = "hiddenlist"; } } // -

var tree = 0; var pane = 0; var paneListForThisTree = new Array; var descriptionString = new String("This list contains %d items."); //%d is where the number of items is inserted

var smallTreeCount = 8; // less leaves than this, the tree will be open at first var interactiveTrees = 1; // set this to 0 in user.js to turn this off

function button(text,onclick,cls) { var b = document.createElement('a'); b.innerHTML = text; b.href="javascript:"+onclick; b.className = cls; return b; }

function recursiveCountAndMark(e, depth) { var si = e.firstChild; var total = 0; while(si) { var tn = (si.tagName) ? si.tagName.toLowerCase : ''; if (tn == "li") { total++; } var subtotal = recursiveCountAndMark(si, depth+1); if (tn == "ul" || tn == "ol") { if (depth > 1) { si.id = "Pane" + pane++; paneListForThisTree.push(si.id); si.className = "hiddenlist";

si.parentNode.insertBefore(document.createTextNode('('), si);				si.parentNode.insertBefore(button(subtotal, "toggleAppearancesPane(\""+si.id+"\")", "listexpand"), si);				si.parentNode.insertBefore(document.createTextNode(')'), si); total--; // don't count the li that this ul/ol is in			} else { // we are finished and this is the top ul/ol if (subtotal < smallTreeCount) { // this small enough they can be visible right away for (var i=0;i<paneListForThisTree.length;i++) { toggleAppearancesPane(paneListForThisTree[i]); }				}				var allonexec = '{'; var alloffexec = '{'; for (var i=0;i<paneListForThisTree.length;i++) { allonexec += "showAppearancesPane(\""+paneListForThisTree[i]+"\"); "; alloffexec += "hideAppearancesPane(\""+paneListForThisTree[i]+"\"); "; }				allonexec += '}'; alloffexec += '}';

var ds = descriptionString.replace(/\%d/g, subtotal);

si.parentNode.insertBefore(document.createTextNode(ds + ' ('), si);				si.parentNode.insertBefore(button("show all", allonexec, "listexpand"), si);				si.parentNode.insertBefore(document.createTextNode(' | '), si);				si.parentNode.insertBefore(button("hide all", alloffexec, "listexpand"), si);				si.parentNode.insertBefore(document.createTextNode(')'), si); }		}		total += subtotal; si = si.nextSibling; }	return total; }

function doAppearancesTrees { if (!interactiveTrees) { return; }

var divs = document.getElementsByTagName("div"); for (var i = 0; i < divs.length; i++) { if (divs[i].className == 'appear') { recursiveCountAndMark(divs[i], 0); paneListForThisTree = new Array; tree++; }	}

// fix a bug noticed by renegade54 // jump to the named anchor again if (window.location.hash && tree > 0) { // still won't work 100% in safari and khtml if (navigator.userAgent.indexOf("MSIE") != -1) { window.location = window.location.hash; // -- causes Firefox to fire onload events } else { window.location.hash = window.location.hash; }	}

}

hookEvent("load", doAppearancesTrees); //