115 lines
3.9 KiB
JavaScript
115 lines
3.9 KiB
JavaScript
/*\
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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 $tw: false */
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"use strict";
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// Export name and synchronous status
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exports.name = "windows";
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exports.platforms = ["browser"];
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exports.after = ["startup"];
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exports.synchronous = true;
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// Global to keep track of open windows (hashmap by title)
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$tw.windows = {};
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// Default template to use for new windows
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var DEFAULT_WINDOW_TEMPLATE = "$:/core/templates/single.tiddler.window";
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exports.startup = function() {
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// Handle open window message
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$tw.rootWidget.addEventListener("tm-open-window",function(event) {
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// Get the parameters
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var refreshHandler,
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title = event.param || event.tiddlerTitle,
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paramObject = event.paramObject || {},
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windowTitle = paramObject.windowTitle || title,
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windowID = paramObject.windowID || title,
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template = paramObject.template || DEFAULT_WINDOW_TEMPLATE,
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width = paramObject.width || "700",
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height = paramObject.height || "600",
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top = paramObject.top,
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left = paramObject.left,
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variables = $tw.utils.extend({},paramObject,{currentTiddler: title, "tv-window-id": windowID});
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// Open the window
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var srcWindow,
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srcDocument;
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// In case that popup blockers deny opening a new window
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try {
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srcWindow = window.open("","external-" + windowID,"scrollbars,width=" + width + ",height=" + height + (top ? ",top=" + top : "" ) + (left ? ",left=" + left : "" )),
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srcDocument = srcWindow.document;
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}
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catch(e) {
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return;
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}
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$tw.windows[windowID] = srcWindow;
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// Check for reopening the same window
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if(srcWindow.haveInitialisedWindow) {
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srcWindow.focus();
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return;
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}
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// Initialise the document
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srcDocument.write("<html><head></head><body class='tc-body tc-single-tiddler-window'></body></html>");
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srcDocument.close();
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srcDocument.title = windowTitle;
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srcWindow.addEventListener("beforeunload",function(event) {
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delete $tw.windows[windowID];
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$tw.wiki.removeEventListener("change",refreshHandler);
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},false);
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// Set up the styles
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var styleWidgetNode = $tw.wiki.makeTranscludeWidget("$:/core/ui/PageStylesheet",{
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document: $tw.fakeDocument,
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variables: variables,
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importPageMacros: true}),
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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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widgetNode = $tw.wiki.makeWidget(parser,{document: srcDocument, parentWidget: $tw.rootWidget, variables: variables});
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widgetNode.render(srcDocument.body,srcDocument.body.firstChild);
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// Function to handle refreshes
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refreshHandler = function(changes) {
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if(styleWidgetNode.refresh(changes,styleContainer,null)) {
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styleElement.innerHTML = styleContainer.textContent;
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}
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widgetNode.refresh(changes);
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};
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$tw.wiki.addEventListener("change",refreshHandler);
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// Listen for keyboard shortcuts
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$tw.utils.addEventListeners(srcDocument,[{
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name: "keydown",
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handlerObject: $tw.keyboardManager,
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handlerMethod: "handleKeydownEvent"
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}]);
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srcWindow.document.documentElement.addEventListener("click",$tw.popup,true);
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srcWindow.haveInitialisedWindow = true;
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});
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$tw.rootWidget.addEventListener("tm-close-window",function(event) {
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var windowID = event.param,
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win = $tw.windows[windowID];
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if(win) {
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win.close();
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}
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});
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var closeAllWindows = function() {
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$tw.utils.each($tw.windows,function(win) {
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win.close();
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});
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}
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$tw.rootWidget.addEventListener("tm-close-all-windows",closeAllWindows);
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// Close open windows when unloading main window
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$tw.addUnloadTask(closeAllWindows);
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};
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})();
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