2015-05-02 11:12:51 +00:00
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/*\
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title: $:/core/modules/startup/windows.js
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type: application/javascript
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module-type: startup
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Setup root widget handlers for the messages concerned with opening external browser windows
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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// Export name and synchronous status
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exports.name = "windows";
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exports.platforms = ["browser"];
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exports.after = ["startup"];
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exports.synchronous = true;
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2015-05-03 15:24:02 +00:00
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// Global to keep track of open windows (hashmap by title)
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var windows = {};
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2015-05-02 11:12:51 +00:00
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exports.startup = function() {
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2015-05-03 15:24:02 +00:00
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// Handle open window message
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2015-05-02 11:12:51 +00:00
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$tw.rootWidget.addEventListener("tm-open-window",function(event) {
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// Get the parameters
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2015-05-02 16:22:53 +00:00
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var refreshHandler,
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title = event.param || event.tiddlerTitle,
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2015-05-02 11:12:51 +00:00
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paramObject = event.paramObject || {},
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2015-05-03 13:58:33 +00:00
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template = paramObject.template || "$:/core/templates/single.tiddler.window",
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2015-05-02 11:12:51 +00:00
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width = paramObject.width || "700",
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height = paramObject.height || "600";
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// Open the window
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2015-05-05 20:47:37 +00:00
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var srcWindow = window.open("","external-" + title,"scrollbars,width=" + width + ",height=" + height),
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2015-05-02 11:12:51 +00:00
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srcDocument = srcWindow.document;
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2015-05-03 15:24:02 +00:00
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windows[title] = srcWindow;
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2015-05-02 16:22:53 +00:00
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// Check for reopening the same window
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if(srcWindow.haveInitialisedWindow) {
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return;
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}
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// Initialise the document
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2015-05-03 14:05:26 +00:00
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srcDocument.write("<html><head></head><body class='tc-body tc-single-tiddler-window'></body></html>");
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2015-05-02 11:12:51 +00:00
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srcDocument.close();
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2015-05-03 07:49:37 +00:00
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srcDocument.title = title;
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2015-05-02 16:22:53 +00:00
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srcWindow.addEventListener("beforeunload",function(event) {
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2015-05-03 15:24:02 +00:00
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delete windows[title];
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2015-05-02 16:22:53 +00:00
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$tw.wiki.removeEventListener("change",refreshHandler);
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},false);
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2015-05-02 11:12:51 +00:00
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// Set up the styles
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var styleWidgetNode = $tw.wiki.makeTranscludeWidget("$:/core/ui/PageStylesheet",{document: $tw.fakeDocument}),
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styleContainer = $tw.fakeDocument.createElement("style");
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styleWidgetNode.render(styleContainer,null);
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var styleElement = srcDocument.createElement("style");
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styleElement.innerHTML = styleContainer.textContent;
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srcDocument.head.insertBefore(styleElement,srcDocument.head.firstChild);
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// Render the text of the tiddler
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var parser = $tw.wiki.parseTiddler(template),
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2015-05-03 15:24:02 +00:00
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widgetNode = $tw.wiki.makeWidget(parser,{document: srcDocument, parentWidget: $tw.rootWidget, variables: {currentTiddler: title}});
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2015-05-03 15:56:27 +00:00
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widgetNode.render(srcDocument.body,srcDocument.body.firstChild);
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2015-05-02 16:22:53 +00:00
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// Function to handle refreshes
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refreshHandler = function(changes) {
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if(styleWidgetNode.refresh(changes,styleContainer,null)) {
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styleElement.innerHTML = styleContainer.textContent;
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}
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2015-05-02 11:12:51 +00:00
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widgetNode.refresh(changes);
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2015-05-02 16:22:53 +00:00
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};
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$tw.wiki.addEventListener("change",refreshHandler);
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srcWindow.haveInitialisedWindow = true;
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2015-05-02 11:12:51 +00:00
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});
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2015-05-03 15:24:02 +00:00
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// Close open windows when unloading main window
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$tw.addUnloadTask(function() {
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$tw.utils.each(windows,function(win) {
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win.close();
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});
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});
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2015-05-02 11:12:51 +00:00
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};
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})();
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