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User:Tyrok1/monobook.js: Difference between revisions

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User:Tyrok1/monobook.js (view source)

Revision as of 01:06, 6 July 2010

3,931 bytes removed ,  13 years ago
Testing the per-code example buttonbar
(Attempting to force columns to contain a minimum of three primary language sections.)
(Testing the per-code example buttonbar)
Line 1:
/*========================================
This comparison script was written by
Tyrok1, and has been tested on IE 5.57,
IE 6, IE 7, IE 8, Fx 3.6.23, and Fe 5.0.380.
Fe 4.0.280.
========================================*/
 
function GetElWidth(el)
//define the relationship between the CSS classes and the language names
var buttonBarCodepadLanguages = [
{ cssClass: "c", padName: "C" },
{ cssClass: "cpp", padName: "C++" },
{ cssClass: "d", padName: "D" },
{ cssClass: "haskell", padName: "Haskell" },
{ cssClass: "lua", padName: "Lua" },
{ cssClass: "ocaml", padName: "OCaml" },
{ cssClass: "php", padName: "PHP" },
{ cssClass: "perl", padName: "Perl" },
{ cssClass: "python", padName: "Python" },
{ cssClass: "ruby", padName: "Ruby" },
{ cssClass: "scheme", padName: "Scheme" },
{ cssClass: "tcl", padName: "Tcl" }
];
 
function AddHandler(el, handlerType, func)
{
//add an event handler in a more cross-browser way
return (el.clientWidth ? el.clientWidth : el.offsetWidth);
if(el.addEventListener)
{
el.addEventListener(handlerType, func, false);
}
else if(el.attachEvent)
{
el.attachEvent("on" + handlerType, func);
}
else
{
eval("el.on" + handlerType + " = func;");
}
}
 
function ToCMulticolumnIsChild(parent, child)
{
//check to see if an element is a child of another element
var gutter = 10;
while(child && child != parent)
//split the ToC into multiple columns
var tocEl = document.getElementById("toc");
var ulElsNodeList = tocEl.getElementsByTagName("ul");
if(tocEl && ulElsNodeList.length > 0)
{
child = child.parentNode;
//limit what we're looking at to only what's directly in the main list, and move from NodeList objects to Arrays
}
var ulEls = [ulElsNodeList[0]];
return (child == parent);
for(var u = 1; u < ulElsNodeList.length; ++u)
}
 
function ButtonBarSelectAll(preEl)
{
//select all code within a given <pre> element
var range = null;
var menuEl = preEl.getElementsByTagName("ul")[0];
if(((document.createRange && (range = document.createRange())) || (document.selection.createRange && (range = document.selection.createRange()))) && range.selectNodeContents)
{
//for Fx, Fe, and other more standards-compliant browsers
range.selectNodeContents(preEl);
range.setEndBefore(menuEl);
var sel = window.getSelection();
if(sel.setBaseAndExtent)
{
//odd variant of a few of the WebKit browsers
if(ulElsNodeList[u].parentNode == ulElsNodeList[0].parentNode)
sel.setBaseAndExtent(preEl, 0, menuEl, 0);
{
ulEls[ulEls.length] = ulElsNodeList[u];
}
}
else
var liElsNodeList = tocEl.getElementsByTagName("li");
var liEls = new Array();
for(var l = 0; l < liElsNodeList.length; ++l)
{
sel.removeAllRanges();
for(u = 0; u < ulEls.length; ++u)
sel.addRange(range);
{
if(liElsNodeList[l].parentNode == ulEls[u])
{
liEls[liEls.length] = liElsNodeList[l];
break;
}
}
}
}
else
{
//for IE
range = document.body.createTextRange();
range.moveToElementText(preEl);
var menuRange = document.body.createTextRange();
menuRange.moveToElementText(menuEl);
//deselect the popup menu
//show all of the <ul> tags so we can get their items' ideal widths
while(range.compareEndPoints("EndToStart", menuRange) > 0)
ulEls[0].oldDisplay = (ulEls[0].style.display && ulEls[0].style.display == "none" ? "none" : "inline-block");
for(u = 0; u < ulEls.length; ++u)
{
range.moveEnd("word", -1);
ulEls[u].style.display = "inline-block";
}
range.select();
}
//find the widest item and use that to set up an ideal number of columns
var maxWidth = 0;
//return the range so other functions can use it
for(l = 0; l < liEls.length; ++l)
return range;
}
 
function ButtonBarCreateSelectAll(preEl)
{
return function() {
//select all of the text in the pre element
ButtonBarSelectAll(preEl);
};
}
 
function ButtonBarCreateCopy(preEl)
{
return function() {
//copy all of the text in the pre element
//IE-only at this point
var range = ButtonBarSelectAll(preEl);
range.execCommand("Copy");
};
}
 
function ButtonBarGetText(preEl)
{
//get the code from inside of a <pre> element
var outText = "";
for(var c = 0; c < preEl.childNodes.length; ++c)
{
switch(preEl.childNodes[c].tagName ? preEl.childNodes[c].tagName.toLowerCase() : "")
{
case "br":
if(!liEls[l].initialWidth)
{
outText += "\n";
liEls[l].initialWidth = GetElWidth(liEls[l]);
} break;
case "ul":
maxWidth = Math.max(liEls[l].initialWidth, maxWidth);
if(navigator.appVersion.indexOf("MSIE 5.") >= 0 || navigator.appVersion.indexOf("MSIE 6.") >= 0 || navigator.appVersion.indexOf("MSIE 7.") >= 0)
{
//get rid of &nbsp;s
liEls[l].style.display = "inline";
outText = outText.replace(/\xA0/g, " ");
//return the cleaned text
return outText;
} break;
default:
{
outText += (preEl.childNodes[c].textContent ? preEl.childNodes[c].textContent : (preEl.childNodes[c].innerText ? preEl.childNodes[c].innerText : preEl.childNodes[c].data));
}
}
}
//add in the gutter
//get rid of &nbsp;s
maxWidth += gutter;
outText = outText.replace(/\xA0/g, " ");
//figure out the ideal number of columns
//return the cleaned text
tocEl.style.width = "100%";
return outText;
var idealColumns = Math.min(Math.floor(GetElWidth(tocEl) / maxWidth), Math.floor(liEls.length / 3) + 1);
}
if(navigator.appVersion.indexOf("MSIE 5.") >= 0 || navigator.appVersion.indexOf("MSIE 6.") >= 0 || navigator.appVersion.indexOf("MSIE 7.") >= 0)
 
{
function ButtonBarAddSpacer(ulEl)
idealColumns = 1;
{
}
//add a spacer bullet item to the menu list
var spacerEl = ulEl.appendChild(document.createElement("li"));
//see if we've already got the ideal number of columns
spacerEl.appendChild(document.createTextNode("\u2022"));
//if so, we don't need to change anything
spacerEl.style.display = "inline";
if(ulEls.length != idealColumns)
spacerEl.style.marginLeft = "0.5em";
{
spacerEl.style.marginRight = "0.5em";
//split the list into multiple columns of width (95 / idealColumns)%
}
//first, make sure we have enough lists to split into
 
while(ulEls.length < idealColumns)
function ButtonBarCreateMouseOver(preEl)
{
//the mouseover event handler for <pre> elements
return function() {
//if there's already a menu, don't add another
if(preEl.getElementsByTagName("ul").length > 0)
{
return false;
}
//style the <pre> and add the menu
preEl.style.position = "relative";
var ulEl = preEl.appendChild(document.createElement("ul"));
ulEl.className = "ButtonBar";
ulEl.style.position = "absolute";
ulEl.style.right = 0;
ulEl.style.top = 0;
ulEl.style.whitespace = "nowrap";
ulEl.style.marginRight = "0.5em";
//define actions we want to add
var listItems = [
{title:"Select All",code:ButtonBarCreateSelectAll(preEl)}
];
if(window.clipboardData)
{
listItems[listItems.length] = {title:"Copy to Clipboard",code:ButtonBarCreateCopy(preEl)};
}
//add the standard menu items
for(var i = 0; i < listItems.length; ++i)
{
//if it's not the first one, add a spacer
if(i > 0)
{
ButtonBarAddSpacer(ulEl);
}
var liEl = ulEl.appendChild(document.createElement("li"));
liEl.appendChild(document.createTextNode(listItems[i].title));
liEl.style.cursor = "pointer";
liEl.style.display = "inline";
liEl.style.fontFamily = "sans-serif";
liEl.style.textDecoration = "underline";
AddHandler(liEl, "click", listItems[i].code);
}
//check for a codepad-supported language
var langClass = preEl.className.split(" ")[0];
for(var l = 0; l < buttonBarCodepadLanguages.length; ++l)
{
if(langClass == buttonBarCodepadLanguages[l].cssClass)
{
//found the language
//add <li>s
ButtonBarAddSpacer(ulEl);
var liEl = ulEl.appendChild(document.createElement("li"));
liEl.style.display = "inline";
//build a form to submit to codepad
var formEl = liEl.appendChild(document.createElement("form"));
formEl.target = "_blank";
formEl.method = "post";
formEl.action = "http://codepad.org";
formEl.style.display = "inline";
var inputValues = [
{ name: "lang", value: buttonBarCodepadLanguages[l].padName },
{ name: "code", value: ButtonBarGetText(preEl) },
{ name: "run", value: "True" },
{ name: "private", value: "True" }
];
for(var i = 0; i < inputValues.length; ++i)
{
var inputEl = document.createElement("input");
inputEl.setAttribute("type", "hidden");
inputEl.setAttribute("name", inputValues[i].name);
inputEl.setAttribute("value", inputValues[i].value);
formEl.appendChild(inputEl);
}
//add and style the submit button to look like the other items
var inputEl = document.createElement("input");
inputEl.setAttribute("type", "submit");
inputEl.setAttribute("name", "submit");
inputEl.setAttribute("value", "Try on Codepad");
inputEl.style.border = "none";
inputEl.style.background = "transparent";
inputEl.style.cursor = "pointer";
inputEl.style.textDecoration = "underline";
inputEl.style.display = "inline-block";
inputEl.style.padding = 0;
formEl.appendChild(inputEl);
break;
}
}
return false;
};
}
 
function ButtonBarCreateMouseOut(preEl)
{
//mouseout handler
return function(e) {
//if we're moving to another element inside of the same <pre>, add a mouseout handler and return
if(!e) e = window.event;
var target = e.relatedTarget || e.toElement;
if(IsChild(preEl, target))
{
AddHandler(target, "mouseout", ButtonBarCreateMouseOut);
ulEls[ulEls.length] = ulEls[ulEls.length - 1].parentNode.insertBefore(document.createElement("ul"), ulEls[ulEls.length - 1].nextSibling);
return false;
}
//we're moving away from the container <pre>, so we need to remove all menu lists
//style the lists
var ulEls = preEl.getElementsByTagName("ul");
for(var c = 0; c < ulEls.length; ++c)
for(var u = 0; u < ulEls.length; ++u)
{
ulEls[cu].styleparentNode.display = "inline-block"removeChild(ulEls[u]);
ulEls[c].style.cssFloat = "left";
ulEls[c].style.verticalAlign = "top";
ulEls[c].style.width = (95 / idealColumns) + "%";
}
return false;
};
//sort the items into the lists
for(l = 0; l < liEls.length; ++l)
{
liEls[l] = ulEls[Math.floor(l / liEls.length * idealColumns)].appendChild(liEls[l].parentNode.removeChild(liEls[l]));
}
//get rid of any unnecessary lists
for(l = idealColumns; l < ulEls.length; ++l)
{
ulEls[l].parentNode.removeChild(ulEls[l]);
}
}
//hide the instructions/lists if they're supposed to be hidden
var insEl = document.getElementById("tocinstructions");
if(insEl)
{
insEl.style.display = (ulEls[0].oldDisplay.toLowerCase() == "none" ? "none" : "block");
}
for(u = 0; u < ulEls.length; ++u)
{
ulEls[u].style.display = ulEls[0].oldDisplay;
}
//if we're setting this up for the first time...
if(!window.toggleTocOld)
{
//change out the toggling function so it toggles all of the lists
window.toggleTocOld = window.toggleToc;
window.toggleUpdateVisibility = function() {
var tocEl = document.getElementById("toc");
var ulEls = tocEl.getElementsByTagName("ul");
for(var u = 0; u < ulEls.length; ++u)
{
ulEls[u].style.display = (ulEls[0].style.display && ulEls[0].style.display == "none" ? "none" : "inline-block");
}
var el = document.getElementById("tocinstructions");
if(el)
{
el.style.display = (ulEls[0].style.display && ulEls[0].style.display.toLowerCase() == "none" ? "none" : "block");
}
};
window.toggleToc = function() {
toggleTocOld();
toggleUpdateVisibility();
};
//add an event handler so if the window's resized the number of columns can change
if(window.addEventListener)
{
window.addEventListener("resize", ToCMulticolumn, false);
}
else if(document.addEventListener)
{
document.addEventListener("resize", ToCMulticolumn, false);
}
else if(window.attachEvent)
{
window.attachEvent("onresize", ToCMulticolumn);
}
}
}
}
 
function CompareActivateButtonBarActivate()
{
//check to see if we're looking at a task page
Line 182 ⟶ 296:
}
//look for language examples
//check to make sure we have a table of contents
var tocElallPres = document.getElementByIdgetElementsByTagName("tocpre");
for(var p = 0; p < allPres.length; ++p)
if(tocEl)
{
if(allPres[p].className && allPres[p].className.indexOf("highlighted_source") >= 0)
//remove the extra show/hide button from the Contents area
var tocTitleEl = document.getElementById("toctitle");
if(tocTitleEl)
{
//set up the onmouseover, onmousleave events to show/hide the button bar
var spanEls = tocTitleEl.getElementsByTagName("span");
AddHandler(allPres[p], "mouseover", ButtonBarCreateMouseOver(allPres[p]));
var foundToggle = false;
AddHandler(allPres[p], "mouseout", ButtonBarCreateMouseOut(allPres[p]));
for(var s = 0; s < spanEls.length; ++s)
{
if(spanEls[s].className && spanEls[s].className.toLowerCase() == "toctoggle")
{
if(foundToggle)
{
spanEls[s].parentNode.removeChild(spanEls[s]);
}
foundToggle = true;
}
}
}
//find all of the links to language sections and add checkboxes
var liEls = tocEl.getElementsByTagName("li");
for(var l = 0; l < liEls.length; ++l)
{
//add a checkbox with the language section's <a> name attribute as its value for easier lookup in the refresh function
var checkboxEl = document.createElement("input");
checkboxEl.setAttribute("type", "checkbox");
checkboxEl.setAttribute("name", "CompareLanguage" + l);
checkboxEl.setAttribute("id", "CompareLanguage" + l);
var href = liEls[l].getElementsByTagName("a")[0].getAttribute("href");
checkboxEl.setAttribute("value", href.substring(href.indexOf("#") + 1, href.length));
checkboxEl.onclick = CompareRefresh;
liEls[l].insertBefore(checkboxEl, liEls[l].firstChild);
}
//add some instructions
var toctitleEl = document.getElementById("toctitle");
var instructionsEl = toctitleEl.appendChild(document.createElement("p"));
instructionsEl.setAttribute("id", "tocinstructions");
instructionsEl.appendChild(document.createTextNode("Check the boxes next to languages to compare them."));
instructionsEl.appendChild(document.createElement("br"));
instructionsEl.appendChild(document.createTextNode("Uncheck all boxes to show all languages."));
//switch the ToC to multi-column mode
ToCMulticolumn();
//put all language sections inside of a <div>
var aEls = document.getElementsByTagName("a");
var languages = CompareGetLanguages();
var divEl = null;
for(var a = 0; a < aEls.length; ++a)
{
if(aEls[a].name && typeof languages[aEls[a].name] != "undefined")
{
//we can assume that this is a language section
//make a list of all of the elements between this <a> tag and the next one that has a name attribute
divEl = aEls[a].parentNode.insertBefore(document.createElement("div"), aEls[a]);
var curEl = aEls[a].nextSibling;
divEl.appendChild(aEls[a].parentNode.removeChild(aEls[a]));
while(curEl && (!curEl.tagName || curEl.tagName.toLowerCase() != "a" || !curEl.name || typeof languages[curEl.name] == "undefined"))
{
var newCurEl = curEl.nextSibling;
divEl.appendChild(curEl.parentNode.removeChild(curEl));
curEl = newCurEl;
};
}
}
if(divEl)
{
//add a float clearing div
var clearEl = divEl.parentNode.insertBefore(document.createElement("div"), divEl.nextSibling);
clearEl.style.clear = "both";
}
//and refresh the display for good measure (sometimes browsers like to save <input> states between reloads)
CompareRefresh();
}
}
 
function CompareGetLanguages()
{
var tocEl = document.getElementById("toc");
var languages = new Array();
if(tocEl)
{
//find all of the checkboxes within the ToC
var inputEls = tocEl.getElementsByTagName("input");
for(var i = 0; i < inputEls.length; ++i)
{
//if it's one of the ones we added earlier, log the checked status to the languages array for later use
if(inputEls[i].getAttribute("name").substring(0, ("CompareLanguage").length) == "CompareLanguage")
{
languages[inputEls[i].value] = inputEls[i].checked;
}
}
}
return languages;
}
 
function CompareRefresh()
{
//refresh the display of the language sections displayed under the ToC
//first, check to see if we're looking at a task page
var codeMargin = 20;
var tocEl = document.getElementById("toc");
var languages = new Array();
var numChecked = 0;
if(tocEl)
{
//count how many languages are checked
languages = CompareGetLanguages();
for(var l in languages)
{
if(languages[l])
{
++numChecked;
}
}
//now, find all <a> tags with name attributes
var aEls = document.getElementsByTagName("a");
for(var a = 0; a < aEls.length; ++a)
{
if(aEls[a].name && typeof languages[aEls[a].name] != "undefined")
{
//we can assume that this is a language section
//check to see if we're displaying in side-by-side mode, regular mode, or not at all
if(numChecked < 1 || (languages[aEls[a].name] && (navigator.appVersion.indexOf("MSIE 5.") >= 0 || navigator.appVersion.indexOf("MSIE 6.") >= 0 || navigator.appVersion.indexOf("MSIE 7.") >= 0)))
{
//enable full-width mode
aEls[a].parentNode.style.display = "block";
aEls[a].parentNode.style.cssFloat = "none";
aEls[a].parentNode.style.width = "auto";
aEls[a].parentNode.style.marginRight = 0;
}
else if(languages[aEls[a].name])
{
//enable side-by-side mode
aEls[a].parentNode.style.display = "inline-block";
aEls[a].parentNode.style.verticalAlign = "top";
aEls[a].parentNode.style.marginRight = "20px";
//find the width for this language
var preEls = aEls[a].parentNode.getElementsByTagName("pre");
var maxWidth = 0;
for(var p = 0; p < preEls.length; ++p)
{
var oldWidth = GetElWidth(preEls[p]);
preEls[p].style.cssFloat = "left";
if(GetElWidth(preEls[p]) == oldWidth)
{
//assume it's either wider than the window or IE where they don't shrink
//arbitrarily set to 45% width
maxWidth = Math.max(GetElWidth(aEls[a].parentNode.parentNode) * 0.45, maxWidth);
}
else
{
maxWidth = Math.max(GetElWidth(preEls[p]), maxWidth);
}
preEls[p].style.cssFloat = "none";
}
//if there are no code blocks, base it off of the <h2>
if(!maxWidth)
{
var h2Els = aEls[a].parentNode.getElementsByTagName("h2");
if(h2Els.length > 0)
{
//we have at least one h2
//use its width
var oldWidth = GetElWidth(h2Els[p]);
h2Els[0].style.cssFloat = "left";
if(GetElWidth(h2Els[p]) == oldWidth)
{
//assume it's either wider than the window or IE where they don't shrink
//arbitrarily set to 45% width
maxWidth = Math.max(GetElWidth(aEls[a].parentNode.parentNode) * 0.45, maxWidth);
}
else
{
maxWidth = GetElWidth(h2Els[0]);
}
h2Els[0].style.cssFloat = "none";
}
else
{
//no clue what it should be
//arbitrarily set it to 200
maxWidth = 200;
}
}
//set the container <div> to a size just a little bit larger
aEls[a].parentNode.style.width = (maxWidth + codeMargin) + "px";
}
else
{
//hide it entirely
aEls[a].parentNode.style.display = "none";
}
}
}
}
Line 391 ⟶ 310:
 
//register the comparison script with the window's load event
AddHandler(window, "load", ButtonBarActivate);
if(window.addEventListener)
{
window.addEventListener("load", CompareActivate, false);
}
else if(window.attachEvent)
{
window.attachEvent("onload", CompareActivate);
}
else if(document.addEventListener)
{
document.addEventListener("load", CompareActivate, false);
}
else
{
window.onload = CompareActivate;
}
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Retrieved from "https://rosettacode.org/wiki/Special:MobileDiff/149122"