mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-27 02:20:28 +00:00
7c8c5cf745
We were parsing the boot tiddlers, making them into a widget and then refreshing the widget tree. The problem is that subsequent chances to the boot tiddlers themselves wouldn’t be picked up as part of the refresh. Now we indirectly parse those UI boot tiddlers through a transclusion, which does get refreshed in the desired way.
97 lines
3.4 KiB
JavaScript
97 lines
3.4 KiB
JavaScript
/*\
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title: $:/core/modules/startup/render.js
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type: application/javascript
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module-type: startup
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Title, stylesheet and page rendering
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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// Export name and synchronous status
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exports.name = "render";
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exports.platforms = ["browser"];
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exports.after = ["story"];
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exports.synchronous = true;
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// Default story and history lists
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var PAGE_TITLE_TITLE = "$:/core/wiki/title"
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var PAGE_STYLESHEET_TITLE = "$:/core/ui/PageStylesheet";
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var PAGE_TEMPLATE_TITLE = "$:/core/ui/PageMacros";
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// Time (in ms) that we defer refreshing changes to draft tiddlers
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var DRAFT_TIDDLER_TIMEOUT = 400;
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exports.startup = function() {
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// Set up the title
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$tw.titleWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_TITLE_TITLE,{document: $tw.fakeDocument, parseAsInline: true});
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$tw.titleContainer = $tw.fakeDocument.createElement("div");
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$tw.titleWidgetNode.render($tw.titleContainer,null);
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document.title = $tw.titleContainer.textContent;
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$tw.wiki.addEventListener("change",function(changes) {
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if($tw.titleWidgetNode.refresh(changes,$tw.titleContainer,null)) {
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document.title = $tw.titleContainer.textContent;
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}
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});
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// Set up the styles
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$tw.styleWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_STYLESHEET_TITLE,{document: $tw.fakeDocument});
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$tw.styleContainer = $tw.fakeDocument.createElement("style");
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$tw.styleWidgetNode.render($tw.styleContainer,null);
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$tw.styleElement = document.createElement("style");
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$tw.styleElement.innerHTML = $tw.styleContainer.textContent;
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document.head.insertBefore($tw.styleElement,document.head.firstChild);
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$tw.wiki.addEventListener("change",$tw.perf.report("styleRefresh",function(changes) {
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if($tw.styleWidgetNode.refresh(changes,$tw.styleContainer,null)) {
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$tw.styleElement.innerHTML = $tw.styleContainer.textContent;
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}
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}));
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// Display the $:/core/ui/PageMacros tiddler to kick off the display
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$tw.perf.report("mainRender",function() {
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$tw.pageWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_TEMPLATE_TITLE,{document: document, parentWidget: $tw.rootWidget});
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$tw.pageContainer = document.createElement("div");
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$tw.utils.addClass($tw.pageContainer,"tw-page-container-wrapper");
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document.body.insertBefore($tw.pageContainer,document.body.firstChild);
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$tw.pageWidgetNode.render($tw.pageContainer,null);
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})();
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// Prepare refresh mechanism
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var deferredChanges = Object.create(null),
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timerId;
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function refresh() {
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// Process the refresh
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$tw.pageWidgetNode.refresh(deferredChanges,$tw.pageContainer,null);
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deferredChanges = Object.create(null);
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}
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// Add the change event handler
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$tw.wiki.addEventListener("change",$tw.perf.report("mainRefresh",function(changes) {
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// Check if only drafts have changed
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var onlyDraftsHaveChanged = true;
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for(var title in changes) {
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var tiddler = $tw.wiki.getTiddler(title);
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if(!tiddler || !tiddler.hasField("draft.of")) {
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onlyDraftsHaveChanged = false;
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}
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}
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// Defer the change if only drafts have changed
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if(timerId) {
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clearTimeout(timerId);
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}
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timerId = null;
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if(onlyDraftsHaveChanged) {
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timerId = setTimeout(refresh,DRAFT_TIDDLER_TIMEOUT);
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$tw.utils.extend(deferredChanges,changes);
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} else {
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$tw.utils.extend(deferredChanges,changes);
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refresh();
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}
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}));
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// Fix up the link between the root widget and the page container
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$tw.rootWidget.domNodes = [$tw.pageContainer];
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$tw.rootWidget.children = [$tw.pageWidgetNode];
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};
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})();
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