mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-14 13:54:50 +00:00
4860b14315
* fix: import lingo macro when render title
* refactor: only import lingo macro for title to save memory
* Revert "refactor: only import lingo macro for title to save memory"
This reverts commit 36bf0848e0.
125 lines
4.6 KiB
JavaScript
125 lines
4.6 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/RootTemplate";
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// Time (in ms) that we defer refreshing changes to draft tiddlers
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var DRAFT_TIDDLER_TIMEOUT_TITLE = "$:/config/Drafts/TypingTimeout";
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var THROTTLE_REFRESH_TIMEOUT = 400;
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exports.startup = function() {
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// Set up the title
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$tw.titleWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_TITLE_TITLE, {
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document: $tw.fakeDocument,
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parseAsInline: true,
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importPageMacros: true,
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});
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$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.styleWidgetNode.assignedStyles = $tw.styleContainer.textContent;
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$tw.styleElement = document.createElement("style");
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$tw.styleElement.innerHTML = $tw.styleWidgetNode.assignedStyles;
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document.head.insertBefore($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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var newStyles = $tw.styleContainer.textContent;
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if(newStyles !== $tw.styleWidgetNode.assignedStyles) {
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$tw.styleWidgetNode.assignedStyles = newStyles;
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$tw.styleElement.innerHTML = $tw.styleWidgetNode.assignedStyles;
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}
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}
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}));
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// Display the $:/core/ui/PageTemplate tiddler to kick off the display
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$tw.perf.report("mainRender",function() {
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$tw.pageWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_TEMPLATE_TITLE,{document: document, parentWidget: $tw.rootWidget, recursionMarker: "no"});
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$tw.pageContainer = document.createElement("div");
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$tw.utils.addClass($tw.pageContainer,"tc-page-container-wrapper");
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document.body.insertBefore($tw.pageContainer,document.body.firstChild);
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$tw.pageWidgetNode.render($tw.pageContainer,null);
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$tw.hooks.invokeHook("th-page-refreshed");
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})();
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// Remove any splash screen elements
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var removeList = document.querySelectorAll(".tc-remove-when-wiki-loaded");
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$tw.utils.each(removeList,function(removeItem) {
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if(removeItem.parentNode) {
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removeItem.parentNode.removeChild(removeItem);
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}
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});
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// Prepare refresh mechanism
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var deferredChanges = Object.create(null),
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timerId;
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function refresh() {
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// Process the refresh
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$tw.hooks.invokeHook("th-page-refreshing");
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$tw.pageWidgetNode.refresh(deferredChanges);
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deferredChanges = Object.create(null);
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$tw.hooks.invokeHook("th-page-refreshed");
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}
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var throttledRefresh = $tw.perf.report("throttledRefresh",refresh);
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// Add the change event handler
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$tw.wiki.addEventListener("change",$tw.perf.report("mainRefresh",function(changes) {
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// Check if only tiddlers that are throttled have changed
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var onlyThrottledTiddlersHaveChanged = true;
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for(var title in changes) {
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var tiddler = $tw.wiki.getTiddler(title);
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if(!$tw.wiki.isVolatileTiddler(title) && (!tiddler || !(tiddler.hasField("draft.of") || tiddler.hasField("throttle.refresh")))) {
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onlyThrottledTiddlersHaveChanged = 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(onlyThrottledTiddlersHaveChanged) {
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var timeout = parseInt($tw.wiki.getTiddlerText(DRAFT_TIDDLER_TIMEOUT_TITLE,""),10);
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if(isNaN(timeout)) {
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timeout = THROTTLE_REFRESH_TIMEOUT;
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}
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timerId = setTimeout(throttledRefresh,timeout);
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$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 = [$tw.pageWidgetNode];
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// Run any post-render startup actions
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$tw.rootWidget.invokeActionsByTag("$:/tags/StartupAction/PostRender");
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};
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})();
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