User:Tyrok1/monobook.js: Difference between revisions
Content added Content deleted
(Trying out "link directly to language example" script) |
(Trying new link) |
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//<lang javascript> |
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/*======================================== |
/*======================================== |
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This comparison script was written by |
This comparison script was written by |
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Tyrok1, and has been tested on |
Tyrok1, and has been tested on Fx 3.6.6, |
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Cr 5.0.375.99, Epiphany 2.30.2, |
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IE 6, IE 7, IE 8, Fx 3.6.2, and |
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Midori 0.2.2 |
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========================================*/ |
========================================*/ |
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var gadgetsAvailable = [ |
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function SectionLinkCreateLoadClosure(request) |
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{ |
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return function() { |
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if(request.readyState == 4) |
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{ |
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//done loading |
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//initialize the "languages with link information" array |
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if(typeof localStorage == "undefined") |
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{ |
{ |
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id: "LanguageComparison", |
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window.localStorage = new Array(); |
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name: "Language comparison", |
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} |
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url: "http://rosettacode.org/mw/index.php" + |
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if(typeof localStorage.languageLinks = "undefined") |
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"?title=Rosetta_Code:Language_comparison_script" + |
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"&action=raw&ctype=text/javascript", |
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prefix: "Compare" |
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}, |
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{ |
{ |
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id: "Highlight", |
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localStorage.languageLinks = new Array(); |
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name: "Syntax Highlight Color Picker", |
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} |
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url: "http://rosettacode.org/mw/index.php" + |
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"?title=Rosetta_Code:Syntax_Highlight_Color_Picker" + |
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//skip the toc |
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"&action=raw&ctype=text/javascript", |
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var text = request.responseText; |
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prefix: "Highlight" |
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var curPos = text.indexOf(" id=\"toctitle\""); |
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}, |
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var catLinksStart = text.indexOf("catlinks"); |
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curPos = text.indexOf("</table>", curPos); |
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//start looking for anchor tags with name attributes |
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while((curPos = text.indexOf("a name=\"", curPos)) >= 0) |
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{ |
{ |
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id: "UtilityButtonBar", |
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//isolate the name attribute |
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name: "Utility button bar", |
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url: "http://rosettacode.org/mw/index.php" + |
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var endPos = text.indexOf("\"", curPos); |
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"?title=Rosetta_Code:Per-Code_Example_Buttonbar" + |
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var curAName = text.substring(curPos, endPos); |
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"&action=raw&ctype=text/javascript", |
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prefix: "ButtonBar" |
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//find the next anchor with a name attribute so we know where the next section is |
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var nextA = text.indexOf("a name=\"", endPos); |
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//look for a language header |
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var headlinePos = text.indexOf("mw-headline", endPos); |
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if(nextA < headlinePos || text.substring(endPos, headlinePos).indexOf("h3") >= 0) |
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{ |
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//no <h2> header |
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//not a full language section |
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continue; |
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} |
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//look for the end of the header and isolate the content of the header |
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var headlineEnd = text.indexOf("</h2>", headlinePos); |
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var headline = text.substring(headlinePos, headlineEnd); |
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//isolate the language category page it links to |
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var hrefStart = headline.indexOf(" href=\"") + (" href=\"").length; |
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var hrefEnd = headline.indexOf("\"", hrefStart); |
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var curHREF = headline.substring(hrefStart, hrefEnd); |
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//isolate the displayed text name of the language |
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var titleStart = headline.indexOf(" title=\"Category:") + (" title=\"Category:").length; |
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var titleEnd = headline.indexOf("\"", titleStart); |
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var curTitle = headline.substring(titleStart, titleEnd); |
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//check to make sure we have all the information we need about this language |
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if(curAName == "" || curHREF == "" || curTitle == "") |
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{ |
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//something's missing |
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continue; |
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} |
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//add the language to our array for later use |
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localStorage.languageLinks[curTitle] = { aName: curAName, href: curHREF, title: curTitle }; |
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} |
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//and if we've got a function to call when we're done, call it |
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if(request.callback) |
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{ |
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request.callback(); |
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} |
} |
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]; |
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function GadgetsAddHandler(el, handlerType, func) |
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{ |
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//add an event handler in a more cross-browser way |
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if(el.addEventListener) |
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{ |
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el.addEventListener(handlerType, func, false); |
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} |
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else if(el.attachEvent) |
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{ |
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el.attachEvent("on" + handlerType, func); |
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} |
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else |
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{ |
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eval("el.on" + handlerType + " = func;"); |
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} |
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} |
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function GadgetsScriptLoad(g) |
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{ |
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//see if we need to load it |
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//if we don't, there's not much point in loading it again |
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if(!document.getElementById("GadgetScript" + g)) |
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{ |
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var scriptEl = document.createElement("script"); |
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scriptEl.setAttribute("id", "GadgetScript" + g); |
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scriptEl.setAttribute("type", "text/javascript"); |
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scriptEl.setAttribute("src", gadgetsAvailable[g].url); |
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document.documentElement.appendChild(scriptEl); |
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} |
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} |
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function GadgetsScriptActivate(g) |
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{ |
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//check to see if the script's finished loading |
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if(eval("typeof " + gadgetsAvailable[g].prefix + "Activate") == "undefined") |
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{ |
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//not finished yet - try reactivating in another 0.5s |
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setTimeout(function() { GadgetsScriptActivate(g); }, 500); |
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} |
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else |
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{ |
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//run the activation function |
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eval(gadgetsAvailable[g].prefix + "Activate();"); |
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} |
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} |
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function GadgetsScriptDeactivate(g) |
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{ |
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//check to see if the specified script has a deactivation function |
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if(eval("typeof " + gadgetsAvailable[g].prefix + "Deactivate") != "undefined") |
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{ |
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//it does - run it |
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eval(gadgetsAvailable[g].prefix + "Deactivate();"); |
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} |
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else |
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{ |
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//pop up a warning to the user to let them know |
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//the plugin will be disabled when they reload |
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alert("This script will be disabled on next page load"); |
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} |
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} |
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function GadgetsCreateCheckboxClosure(el) |
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{ |
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//create an onclick handler for the script checkboxes |
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return function() { |
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//save the checkboxes to the cookie for next page load |
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GadgetsSaveCheckboxes(); |
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//check to see if we need to activate or deactivate |
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if(el.checked) |
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{ |
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//load and activate the script |
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GadgetsScriptLoad(el.value); |
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GadgetsScriptActivate(el.value); |
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} |
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else |
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{ |
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//deactivate the script |
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GadgetsScriptDeactivate(el.value); |
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} |
} |
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}; |
}; |
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} |
} |
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function |
function GadgetsMouseOver() |
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{ |
{ |
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//show the scripts dropdown |
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//fetch the given page and store all <a name>/language pairs on the page to the cookie for later |
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document.getElementById("pt-jsgadgets-list").style.display = "block"; |
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var request = new XMLHttpRequest(); |
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request.onreadystatechange = SectionLinkCreateLoadClosure(request); |
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request.callback = callback; |
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request.open("GET", url, true); |
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request.send(""); |
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} |
} |
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function |
function GadgetsMouseOut() |
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{ |
{ |
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//hide the scripts dropdown |
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//check to see if we're looking at a language page |
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document.getElementById("pt-jsgadgets-list").style.display = "none"; |
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} |
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var isLanguage = false; |
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if(catLinksEl) |
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function GadgetsSaveCheckboxes() |
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{ |
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var checkedBoxes = "", checkboxEl = null; |
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//build a string representation of all of the checked boxes to save to the cookie |
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for(var c = 0; checkboxEl = document.getElementById("pt-jsgadgets-gadget" + c); ++c) |
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{ |
{ |
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if(checkboxEl.checked) |
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var aEls = catLinksEl.getElementsByTagName("a"); |
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for(var a = 0; a < aEls.length; ++a) |
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{ |
{ |
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if(checkedBoxes != "") |
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if(aEls[a].getAttribute("title") == "Category:Programming Languages") |
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{ |
{ |
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checkedBoxes += ","; |
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isLanguage = true; |
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break; |
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} |
} |
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checkedBoxes += gadgetsAvailable[c].id; |
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} |
} |
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} |
} |
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if(!isLanguage) |
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//set an expiry date 1000 years into the future |
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var expireDate = new Date(); |
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expireDate.setFullYear(expireDate.getFullYear() + 1000); |
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//store the cookie |
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document.cookie = "jsGadgets=" + escape(checkedBoxes) + |
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"; expires=" + expireDate.toUTCString(); |
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} |
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function GadgetsGetCheckboxes() |
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{ |
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//pull in the cookie and look for the jsGadgets key |
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var fullCookie = document.cookie; |
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var gadgetsPos = fullCookie.indexOf("jsGadgets="); |
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if(gadgetsPos < 0) |
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{ |
{ |
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// |
//no gadgets in the cookie |
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return new Array(); |
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//this script does not apply |
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return; |
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} |
} |
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var endPos = fullCookie.indexOf(";", gadgetsPos); |
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//split the gadget IDs by comma |
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//check this page's "firstHeading" ID content for a category name |
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var jsGadgets = fullCookie.substring(gadgetsPos + ("jsGadgets=").length, |
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var firstHeadingEl = document.getElementById("firstHeading"); |
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(endPos > 0 ? endPos : fullCookie.length)); |
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var langName = (firstHeadingEl.textContent ? firstHeadingEl.textContent : firstHeadingEl.innerText); |
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var checkIDs = unescape(jsGadgets).split(","); |
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langName = langName.substring(("Category:").length, langName.length); |
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// |
//translate the list of IDs to a list of array indices, |
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//in keeping with the way the rest of this module works |
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var tasksEl = document.getElementById("mw-pages"); |
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var |
var checkIndices = new Array(); |
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for(var g = 0; g < gadgetsAvailable.length; ++g) |
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//check to see if we already have link information about the current language |
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if(localStorage.languageLinks && localStorage.languageLinks[langName]) |
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{ |
{ |
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for(var c = 0; c < checkIDs.length; ++c) |
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//we do |
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//modify all of the links on the page to link directly to the current language's section |
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for(var i = 0; i < aEls.length; ++i) |
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{ |
{ |
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if( |
if(gadgetsAvailable[g].id == checkIDs[c]) |
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{ |
{ |
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checkIndices[checkIndices.length] = g; |
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aEls[i].href += "#" + encodeURIComponent(localStorage.languageLinks[langName].aName); |
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break; |
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} |
} |
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} |
} |
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} |
} |
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return checkIndices; |
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else |
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} |
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function GadgetsActivate() |
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{ |
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//find the user preferences button and add a new list item to the right of it |
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var prefsEl = document.getElementById("pt-preferences"); |
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if(!prefsEl) |
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{ |
{ |
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var personalEl = document.getElementById("p-personal"); |
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//we do not have link information on the current language |
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if(!personalEl) |
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//start fetching task pages and searching through them, starting with the first task link on the page |
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if(typeof SectionLinkActivate.linkNum == "undefined") |
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{ |
{ |
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return; |
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SectionLinkActivate.linkNum = 0; |
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} |
} |
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var liEls = personalEl.getElementsByTagName("li"); |
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if(!liEls || liEls.length < 2) |
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//only check the first five task links |
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if(SectionLinkActivate.linkNum >= 5) |
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{ |
{ |
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return; |
return; |
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} |
} |
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prefsEl = liEls[liEls.length - 2]; |
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} |
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var jsMenuEl = prefsEl.parentNode.insertBefore( |
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document.createElement("li"), prefsEl.nextSibling); |
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jsMenuEl.setAttribute("id", "pt-jsgadgets"); |
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//add a new link named "My scripts" in the new list item |
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//from a semantics point of view, this is not great, |
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//but this way the styling kicks in to keep it consistent with its siblings |
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var jsLinkEl = jsMenuEl.appendChild(document.createElement("a")); |
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jsLinkEl.appendChild(document.createTextNode("My scripts")); |
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jsLinkEl.setAttribute("href", "javascript: void(0);"); |
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jsLinkEl.style.position = "relative"; |
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//add handlers for showing on mouseover and hiding on mouseout |
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GadgetsAddHandler(jsLinkEl, "mouseover", GadgetsMouseOver); |
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GadgetsAddHandler(jsLinkEl, "mouseout", GadgetsMouseOut); |
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//build a list for showing available JS gadgets |
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var modulesListEl = jsLinkEl.appendChild(document.createElement("ol")); |
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modulesListEl.setAttribute("id", "pt-jsgadgets-list"); |
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modulesListEl.style.listStyle = "none"; |
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modulesListEl.style.margin = 0; |
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modulesListEl.style.padding = 0; |
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modulesListEl.style.position = "absolute"; |
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modulesListEl.style.top = "100%"; |
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modulesListEl.style.left = 0; |
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modulesListEl.style.backgroundColor = "#fff"; |
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modulesListEl.style.border = "1px solid #69c"; |
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modulesListEl.style.padding = "0.5em"; |
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modulesListEl.style.display = "none"; |
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//raise the zIndex of the new button (as well as |
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//a few parents) so the menu overlaps the page |
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var zEl = modulesListEl; |
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for(var z = 0; z < 6 && zEl && zEl.style; ++z, zEl = zEl.parentNode) |
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{ |
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zEl.style.zIndex = 100; |
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} |
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//add each of the gadgets to the list |
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for(var m = 0; m < gadgetsAvailable.length; ++m) |
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{ |
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//add the list item element |
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var liEl = modulesListEl.appendChild(document.createElement("li")); |
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liEl.style.display = "block"; |
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liEl.style.cssFloat = "none"; |
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liEl.style.right = "auto"; |
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liEl.style.left = 0; |
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liEl.style.textAlign = "left"; |
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liEl.style.margin = 0; |
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liEl.style.padding = 0; |
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//add the checkbox |
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//fetch and process the task, and rerun this activation function when done |
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var inputEl = document.createElement("input"); |
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SectionLinkFetchFrom(aEls[SectionLinkActivate.linkNum].href, SectionLinkActivate); |
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var checkboxId = "pt-jsgadgets-gadget" + m; |
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inputEl.setAttribute("type", "checkbox"); |
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inputEl.setAttribute("id", checkboxId); |
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inputEl.setAttribute("value", m); |
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GadgetsAddHandler(inputEl, "click", GadgetsCreateCheckboxClosure(inputEl)); |
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liEl.appendChild(inputEl); |
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//add the label |
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//update the link number so we move on to the next link if the current one doesn't have this language |
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var labelEl = document.createElement("label"); |
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++SectionLinkActivate.linkNum; |
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labelEl.setAttribute("for", checkboxId); |
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labelEl.appendChild(document.createTextNode(gadgetsAvailable[m].name)); |
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labelEl.style.paddingLeft = "1em"; |
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liEl.appendChild(labelEl); |
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} |
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//fetch the saved checkboxes from the cookie |
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var checks = GadgetsGetCheckboxes(); |
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for(var c = 0; c < checks.length; ++c) |
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{ |
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//for each one that should be checked on page load, |
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//check the box, load, and activate it |
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document.getElementById("pt-jsgadgets-gadget" + checks[c]).checked = true; |
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GadgetsScriptLoad(checks[c]); |
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GadgetsScriptActivate(checks[c]); |
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} |
} |
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} |
} |
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//register the |
//register the comparison script with the window's load event |
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GadgetsAddHandler(window, "load", GadgetsActivate); |
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if(window.addEventListener) |
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//</lang> |
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{ |
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window.addEventListener("load", SectionLinkActivate, false); |
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} |
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else if(window.attachEvent) |
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{ |
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window.attachEvent("onload", SectionLinkActivate); |
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} |
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else if(document.addEventListener) |
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{ |
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document.addEventListener("load", SectionLinkActivate, false); |
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} |
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else |
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{ |
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window.onload = SectionLinkActivate; |
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} |
Latest revision as of 19:34, 3 July 2011
//<lang javascript>
/*========================================
This comparison script was written by
Tyrok1, and has been tested on Fx 3.6.6,
Cr 5.0.375.99, Epiphany 2.30.2,
Midori 0.2.2
========================================*/
var gadgetsAvailable = [
{
id: "LanguageComparison",
name: "Language comparison",
url: "http://rosettacode.org/mw/index.php" +
"?title=Rosetta_Code:Language_comparison_script" +
"&action=raw&ctype=text/javascript",
prefix: "Compare"
},
{
id: "Highlight",
name: "Syntax Highlight Color Picker",
url: "http://rosettacode.org/mw/index.php" +
"?title=Rosetta_Code:Syntax_Highlight_Color_Picker" +
"&action=raw&ctype=text/javascript",
prefix: "Highlight"
},
{
id: "UtilityButtonBar",
name: "Utility button bar",
url: "http://rosettacode.org/mw/index.php" +
"?title=Rosetta_Code:Per-Code_Example_Buttonbar" +
"&action=raw&ctype=text/javascript",
prefix: "ButtonBar"
}
];
function GadgetsAddHandler(el, handlerType, func)
{
//add an event handler in a more cross-browser way
if(el.addEventListener)
{
el.addEventListener(handlerType, func, false);
}
else if(el.attachEvent)
{
el.attachEvent("on" + handlerType, func);
}
else
{
eval("el.on" + handlerType + " = func;");
}
}
function GadgetsScriptLoad(g)
{
//see if we need to load it
//if we don't, there's not much point in loading it again
if(!document.getElementById("GadgetScript" + g))
{
var scriptEl = document.createElement("script");
scriptEl.setAttribute("id", "GadgetScript" + g);
scriptEl.setAttribute("type", "text/javascript");
scriptEl.setAttribute("src", gadgetsAvailable[g].url);
document.documentElement.appendChild(scriptEl);
}
}
function GadgetsScriptActivate(g)
{
//check to see if the script's finished loading
if(eval("typeof " + gadgetsAvailable[g].prefix + "Activate") == "undefined")
{
//not finished yet - try reactivating in another 0.5s
setTimeout(function() { GadgetsScriptActivate(g); }, 500);
}
else
{
//run the activation function
eval(gadgetsAvailable[g].prefix + "Activate();");
}
}
function GadgetsScriptDeactivate(g)
{
//check to see if the specified script has a deactivation function
if(eval("typeof " + gadgetsAvailable[g].prefix + "Deactivate") != "undefined")
{
//it does - run it
eval(gadgetsAvailable[g].prefix + "Deactivate();");
}
else
{
//pop up a warning to the user to let them know
//the plugin will be disabled when they reload
alert("This script will be disabled on next page load");
}
}
function GadgetsCreateCheckboxClosure(el)
{
//create an onclick handler for the script checkboxes
return function() {
//save the checkboxes to the cookie for next page load
GadgetsSaveCheckboxes();
//check to see if we need to activate or deactivate
if(el.checked)
{
//load and activate the script
GadgetsScriptLoad(el.value);
GadgetsScriptActivate(el.value);
}
else
{
//deactivate the script
GadgetsScriptDeactivate(el.value);
}
};
}
function GadgetsMouseOver()
{
//show the scripts dropdown
document.getElementById("pt-jsgadgets-list").style.display = "block";
}
function GadgetsMouseOut()
{
//hide the scripts dropdown
document.getElementById("pt-jsgadgets-list").style.display = "none";
}
function GadgetsSaveCheckboxes()
{
var checkedBoxes = "", checkboxEl = null;
//build a string representation of all of the checked boxes to save to the cookie
for(var c = 0; checkboxEl = document.getElementById("pt-jsgadgets-gadget" + c); ++c)
{
if(checkboxEl.checked)
{
if(checkedBoxes != "")
{
checkedBoxes += ",";
}
checkedBoxes += gadgetsAvailable[c].id;
}
}
//set an expiry date 1000 years into the future
var expireDate = new Date();
expireDate.setFullYear(expireDate.getFullYear() + 1000);
//store the cookie
document.cookie = "jsGadgets=" + escape(checkedBoxes) +
"; expires=" + expireDate.toUTCString();
}
function GadgetsGetCheckboxes()
{
//pull in the cookie and look for the jsGadgets key
var fullCookie = document.cookie;
var gadgetsPos = fullCookie.indexOf("jsGadgets=");
if(gadgetsPos < 0)
{
//no gadgets in the cookie
return new Array();
}
var endPos = fullCookie.indexOf(";", gadgetsPos);
//split the gadget IDs by comma
var jsGadgets = fullCookie.substring(gadgetsPos + ("jsGadgets=").length,
(endPos > 0 ? endPos : fullCookie.length));
var checkIDs = unescape(jsGadgets).split(",");
//translate the list of IDs to a list of array indices,
//in keeping with the way the rest of this module works
var checkIndices = new Array();
for(var g = 0; g < gadgetsAvailable.length; ++g)
{
for(var c = 0; c < checkIDs.length; ++c)
{
if(gadgetsAvailable[g].id == checkIDs[c])
{
checkIndices[checkIndices.length] = g;
break;
}
}
}
return checkIndices;
}
function GadgetsActivate()
{
//find the user preferences button and add a new list item to the right of it
var prefsEl = document.getElementById("pt-preferences");
if(!prefsEl)
{
var personalEl = document.getElementById("p-personal");
if(!personalEl)
{
return;
}
var liEls = personalEl.getElementsByTagName("li");
if(!liEls || liEls.length < 2)
{
return;
}
prefsEl = liEls[liEls.length - 2];
}
var jsMenuEl = prefsEl.parentNode.insertBefore(
document.createElement("li"), prefsEl.nextSibling);
jsMenuEl.setAttribute("id", "pt-jsgadgets");
//add a new link named "My scripts" in the new list item
//from a semantics point of view, this is not great,
//but this way the styling kicks in to keep it consistent with its siblings
var jsLinkEl = jsMenuEl.appendChild(document.createElement("a"));
jsLinkEl.appendChild(document.createTextNode("My scripts"));
jsLinkEl.setAttribute("href", "javascript: void(0);");
jsLinkEl.style.position = "relative";
//add handlers for showing on mouseover and hiding on mouseout
GadgetsAddHandler(jsLinkEl, "mouseover", GadgetsMouseOver);
GadgetsAddHandler(jsLinkEl, "mouseout", GadgetsMouseOut);
//build a list for showing available JS gadgets
var modulesListEl = jsLinkEl.appendChild(document.createElement("ol"));
modulesListEl.setAttribute("id", "pt-jsgadgets-list");
modulesListEl.style.listStyle = "none";
modulesListEl.style.margin = 0;
modulesListEl.style.padding = 0;
modulesListEl.style.position = "absolute";
modulesListEl.style.top = "100%";
modulesListEl.style.left = 0;
modulesListEl.style.backgroundColor = "#fff";
modulesListEl.style.border = "1px solid #69c";
modulesListEl.style.padding = "0.5em";
modulesListEl.style.display = "none";
//raise the zIndex of the new button (as well as
//a few parents) so the menu overlaps the page
var zEl = modulesListEl;
for(var z = 0; z < 6 && zEl && zEl.style; ++z, zEl = zEl.parentNode)
{
zEl.style.zIndex = 100;
}
//add each of the gadgets to the list
for(var m = 0; m < gadgetsAvailable.length; ++m)
{
//add the list item element
var liEl = modulesListEl.appendChild(document.createElement("li"));
liEl.style.display = "block";
liEl.style.cssFloat = "none";
liEl.style.right = "auto";
liEl.style.left = 0;
liEl.style.textAlign = "left";
liEl.style.margin = 0;
liEl.style.padding = 0;
//add the checkbox
var inputEl = document.createElement("input");
var checkboxId = "pt-jsgadgets-gadget" + m;
inputEl.setAttribute("type", "checkbox");
inputEl.setAttribute("id", checkboxId);
inputEl.setAttribute("value", m);
GadgetsAddHandler(inputEl, "click", GadgetsCreateCheckboxClosure(inputEl));
liEl.appendChild(inputEl);
//add the label
var labelEl = document.createElement("label");
labelEl.setAttribute("for", checkboxId);
labelEl.appendChild(document.createTextNode(gadgetsAvailable[m].name));
labelEl.style.paddingLeft = "1em";
liEl.appendChild(labelEl);
}
//fetch the saved checkboxes from the cookie
var checks = GadgetsGetCheckboxes();
for(var c = 0; c < checks.length; ++c)
{
//for each one that should be checked on page load,
//check the box, load, and activate it
document.getElementById("pt-jsgadgets-gadget" + checks[c]).checked = true;
GadgetsScriptLoad(checks[c]);
GadgetsScriptActivate(checks[c]);
}
}
//register the comparison script with the window's load event
GadgetsAddHandler(window, "load", GadgetsActivate);
//</lang>