Common.js
From Sonic Retro
Revision as of 22:31, 21 June 2015 by Scarred Sun (talk | contribs)
Revision as of 22:31, 21 June 2015 by Scarred Sun (talk | contribs)
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/*<pre>*/
/* Hook that enables collapsing objects.
* Added 7/13/2008 by WhiteMystery ([email protected]) */
addOnloadHook(createToggleLinks);
/* Function that creates collapsing objects and toggle links.
* Added 7/13/2008 by WhiteMystery ([email protected]) */
function createToggleLinks() {
var stateArray = new Array();
var allObjects = document.getElementsByTagName('span');
var rCollapsingObject = new RegExp("^co;(.+?);(.+?);(.+?);(.+?)(;(.+?))?$");
for ( var i = 0; i < allObjects.length; i++ ) {
if ( rCollapsingObject.test(allObjects[i].className) ) {
var collapsingInformation = rCollapsingObject.exec(allObjects[i].className);
var collapseText = collapsingInformation[1];
var expandText = collapsingInformation[2];
var initialState = collapsingInformation[3];
var targetClass = collapsingInformation[4];
var linkColor = collapsingInformation[6];
var toggleLink = document.createElement("a");
if ( initialState == "0" ) {
toggleLink.appendChild(document.createTextNode(expandText));
stateArray[targetClass] = "none";
}
else {
toggleLink.appendChild(document.createTextNode(collapseText));
stateArray[targetClass] = "inline";
}
toggleLink.setAttribute("href", "javascript:toggleCollapse('" + targetClass + "','" + collapseText + "','" + expandText + "')");
if ( linkColor != undefined && linkColor != "undefined" && linkColor != "" )
toggleLink.style.color = linkColor;
allObjects[i].innerHTML = "";
allObjects[i].appendChild(toggleLink);
}
else if ( allObjects[i].className == "morphMaster" ) {
var spanID = allObjects[i].getAttribute("id");
var targetID = spanID.substr(0, spanID.length - 6);
var counter = 1;
// Create forward and backward paging if the paging elements exist
if ( returnObjById(targetID + "LinkNext") && returnObjById(targetID + "LinkPrev") && returnObjById(targetID + "Content1") ) {
// Create the forward link
var nextLink = document.createElement("a");
nextLink.appendChild(document.createTextNode(returnObjById(targetID + "LinkNext").innerHTML));
nextLink.setAttribute("href", "javascript:morphForward('" + targetID + "')");
returnObjById(targetID + "LinkNext").innerHTML = "";
returnObjById(targetID + "LinkNext").appendChild(nextLink, 0);
// Create the backward link
var prevLink = document.createElement("a");
prevLink.appendChild(document.createTextNode(returnObjById(targetID + "LinkPrev").innerHTML));
prevLink.setAttribute("href", "javascript:morphBackward('" + targetID + "')");
returnObjById(targetID + "LinkPrev").innerHTML = "";
returnObjById(targetID + "LinkPrev").appendChild(prevLink, 0);
// Initialize content panes
while ( returnObjById(targetID + "Content" + counter) ) {
counter++;
}
}
// shobiz addition - figure out initial selection
var initialSelection = parseInt(allObjects[i].innerHTML);
if (!(initialSelection && returnObjById(targetID + "Link" + initialSelection) && returnObjById(targetID + "Content" + initialSelection))) {
allObjects[i].innerHTML = initialSelection = 1;
}
// end of shobiz addition
counter = 1;
// Whether or not there is paging, generate normal links
while ( returnObjById(targetID + "Link" + counter) && returnObjById(targetID + "Content" + counter) ) {
// shobiz addition - bold the initial selection instead of making it into a link
var morphLink; // I don't really need to declare it here because javascript only has function locals anyway, but I think this makes my intent clearer
if (counter != initialSelection) {
morphLink = document.createElement("a");
morphLink.appendChild(document.createTextNode(returnObjById(targetID + "Link" + counter).innerHTML));
morphLink.setAttribute("href", "javascript:performMorph('" + targetID + "','" + counter + "')");
} else {
morphLink = document.createElement("strong");
morphLink.appendChild(document.createTextNode(returnObjById(targetID + "Link" + counter).innerHTML));
}
// end of shobiz addition
returnObjById(targetID + "Link" + counter).innerHTML = "";
returnObjById(targetID + "Link" + counter).appendChild(morphLink);
// Initialize content panes
counter++;
}
// shobiz removal - redundant now: allObjects[i].innerHTML = 1;
allObjects[i].style.display = "none";
}
}
// Set state of appropriate objects
allObjects = document.getElementsByTagName('*');
for ( var i = 0; i < allObjects.length; i++ ) {
if ( stateArray[allObjects[i].className] )
allObjects[i].style.display = stateArray[allObjects[i].className];
}
}
/* Function that toggles collapsing objects.
* Added 7/13/2008 by WhiteMystery ([email protected]) */
function toggleCollapse(targetClass, collapseText, expandText) {
var allObjects = document.getElementsByTagName('*');
var rCollapsingObject = new RegExp("^co;(.+?);(.+?);(.+?);" + targetClass + "(;(.+?))?$");
var linkType;
for ( var i = 0; i < allObjects.length; i++ ) {
if ( allObjects[i].className == targetClass ) {
if ( allObjects[i].style.display == "none" ) {
allObjects[i].style.display = "inline";
linkType = "Collapse";
}
else {
allObjects[i].style.display = "none";
linkType = "Expand";
}
}
}
allObjects = document.getElementsByTagName('span');
for ( var i = 0; i < allObjects.length; i++ ) {
if ( rCollapsingObject.test(allObjects[i].className) ) {
var collapsingInformation = rCollapsingObject.exec(allObjects[i].className);
var collapseText = collapsingInformation[1];
var expandText = collapsingInformation[2];
var linkColor = collapsingInformation[5];
var toggleLink = document.createElement("a");
if ( linkType == "Expand" )
toggleLink.appendChild(document.createTextNode(expandText));
else if ( linkType == "Collapse" )
toggleLink.appendChild(document.createTextNode(collapseText));
toggleLink.setAttribute("href", "javascript:toggleCollapse('" + targetClass + "','" + collapseText + "','" + expandText + "')");
if ( linkColor != undefined && linkColor != "undefined" && linkColor != "" )
toggleLink.style.color = linkColor;
allObjects[i].innerHTML = "";
allObjects[i].appendChild(toggleLink);
}
}
}
/* Functions that perform the morph operations.
* Added 8/13/2008 by WhiteMystery ([email protected]) */
function performMorph(targetID, targetNumber) {
// shobiz addition - restore previous selection's link and get rid of current one's
var oldCounter = parseInt(returnObjById(targetID + "Master").innerHTML);
var morphLink = document.createElement("a");
var oldLink = returnObjById(targetID + "Link" + oldCounter);
morphLink.appendChild(document.createTextNode(oldLink.childNodes[0].innerHTML));
morphLink.setAttribute("href", "javascript:performMorph('" + targetID + "','" + oldCounter + "')");
oldLink.replaceChild(morphLink, oldLink.childNodes[0]);
var morphStrong = document.createElement("strong");
var newLink = returnObjById(targetID + "Link" + targetNumber);
morphStrong.appendChild(document.createTextNode(newLink.childNodes[0].innerHTML));
newLink.replaceChild(morphStrong, newLink.childNodes[0]);
// end of shobiz addition
var counter = 1;
while ( returnObjById(targetID + "Content" + counter) ) {
if ( counter == targetNumber )
returnObjById(targetID + "Content" + counter).style.display = "block";
else
returnObjById(targetID + "Content" + counter).style.display = "none";
counter++;
}
returnObjById(targetID + "Master").innerHTML = targetNumber;
}
function morphForward(targetID) {
var nextPane = parseInt(returnObjById(targetID + "Master").innerHTML) + 1;
if ( returnObjById(targetID + "Content" + nextPane) )
performMorph(targetID, nextPane);
else
performMorph(targetID, "1");
}
function morphBackward(targetID) {
var prevPane = parseInt(returnObjById(targetID + "Master").innerHTML) - 1;
if ( prevPane > 0 )
performMorph(targetID, prevPane);
else {
var maxIndex = 1;
while ( returnObjById(targetID + "Content" + maxIndex) )
maxIndex++;
performMorph(targetID, maxIndex - 1);
}
}
/* Function that returns an object by ID for various browsers
* Taken from http://www.netlobo.com/javascript_get_element_id.html */
function returnObjById( id ) {
if (document.getElementById)
var returnVar = document.getElementById(id);
else if (document.all)
var returnVar = document.all[id];
else if (document.layers)
var returnVar = document.layers[id];
return returnVar;
}
/*</pre>*/