/*\ title: $:/core/modules/startup/windows.js type: application/javascript module-type: startup Setup root widget handlers for the messages concerned with opening external browser windows \*/ (function(){ /*jslint node: true, browser: true */ /*global $tw: false */ "use strict"; // Export name and synchronous status exports.name = "windows"; exports.platforms = ["browser"]; exports.after = ["startup"]; exports.synchronous = true; // Global to keep track of open windows (hashmap by title) var windows = {}; exports.startup = function() { // Handle open window message $tw.rootWidget.addEventListener("tm-open-window",function(event) { // Get the parameters var refreshHandler, title = event.param || event.tiddlerTitle, paramObject = event.paramObject || {}, template = paramObject.template || "$:/core/templates/single.tiddler.window", width = paramObject.width || "700", height = paramObject.height || "600"; // Open the window var srcWindow = window.open("","external-" + title,"scrollbars,width=" + width + ",height=" + height), srcDocument = srcWindow.document; windows[title] = srcWindow; // Check for reopening the same window if(srcWindow.haveInitialisedWindow) { return; } // Initialise the document srcDocument.write(""); srcDocument.close(); srcDocument.title = title; srcWindow.addEventListener("beforeunload",function(event) { delete windows[title]; $tw.wiki.removeEventListener("change",refreshHandler); },false); // Set up the styles var styleWidgetNode = $tw.wiki.makeTranscludeWidget("$:/core/ui/PageStylesheet",{document: $tw.fakeDocument}), styleContainer = $tw.fakeDocument.createElement("style"); styleWidgetNode.render(styleContainer,null); var styleElement = srcDocument.createElement("style"); styleElement.innerHTML = styleContainer.textContent; srcDocument.head.insertBefore(styleElement,srcDocument.head.firstChild); // Render the text of the tiddler var parser = $tw.wiki.parseTiddler(template), widgetNode = $tw.wiki.makeWidget(parser,{document: srcDocument, parentWidget: $tw.rootWidget, variables: {currentTiddler: title}}); widgetNode.render(srcDocument.body,srcDocument.body.firstChild); // Function to handle refreshes refreshHandler = function(changes) { if(styleWidgetNode.refresh(changes,styleContainer,null)) { styleElement.innerHTML = styleContainer.textContent; } widgetNode.refresh(changes); }; $tw.wiki.addEventListener("change",refreshHandler); srcWindow.haveInitialisedWindow = true; }); // Close open windows when unloading main window $tw.addUnloadTask(function() { $tw.utils.each(windows,function(win) { win.close(); }); }); }; })();