mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-16 06:44:50 +00:00
7175f1cbf1
And add a new Night-Time theme for the /dev wiki. The idea is that the Vanilla theme will make a more convenient base for retheming.
78 lines
2.4 KiB
JavaScript
78 lines
2.4 KiB
JavaScript
/*\
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title: $:/core/modules/themes.js
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type: application/javascript
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module-type: global
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Manages themes and styling.
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var THEME_PLUGIN_TITLE = "$:/theme", // This tiddler contains the title of the current theme plugin
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DEFAULT_THEME_PLUGIN = "$:/themes/tiddlywiki/vanilla";
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function ThemeManager(wiki) {
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this.wiki = wiki;
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// There's no theme to start with
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this.currentThemeTitle = undefined;
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// Switch to the current theme
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this.switchTheme();
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// Listen for changes to the theme
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var self = this;
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this.wiki.addEventListener("change",function(changes) {
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if($tw.utils.hop(changes,THEME_PLUGIN_TITLE)) {
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self.switchTheme();
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}
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});
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}
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ThemeManager.prototype.switchTheme = function() {
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// Get the name of the current theme
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var themePluginTitle = this.wiki.getTiddlerText(THEME_PLUGIN_TITLE,DEFAULT_THEME_PLUGIN);
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// Accumulate the titles of the plugins that we need to load
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var themePlugins = [],
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self = this,
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accumulatePlugin = function(title) {
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var tiddler = self.wiki.getTiddler(title);
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if(tiddler && tiddler.isPlugin() && themePlugins.indexOf(title) === -1) {
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themePlugins.push(title);
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var pluginInfo = JSON.parse(self.wiki.getTiddlerText(title));
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$tw.utils.each(pluginInfo.dependents,function(title) {
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accumulatePlugin(title);
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});
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}
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};
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accumulatePlugin(themePluginTitle);
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// Unregister any existing theme tiddlers
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var unregisteredThemeTiddlers = $tw.wiki.unregisterPluginTiddlers("theme");
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// Accumulate the titles of shadow tiddlers that have changed as a result of this switch
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var changedTiddlers = {};
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$tw.utils.each(this.wiki.shadowTiddlers,function(shadowInfo,title) {
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if(unregisteredThemeTiddlers.indexOf(shadowInfo.source) !== -1) {
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changedTiddlers[title] = true; // isDeleted?
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}
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});
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// Register any new theme tiddlers
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var registeredThemeTiddlers = $tw.wiki.registerPluginTiddlers("theme",themePlugins);
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// Unpack the current theme tiddlers
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$tw.wiki.unpackPluginTiddlers();
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// Accumulate the affected shadow tiddlers
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$tw.utils.each(this.wiki.shadowTiddlers,function(shadowInfo,title) {
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if(registeredThemeTiddlers.indexOf(shadowInfo.source) !== -1) {
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changedTiddlers[title] = false; // isDeleted?
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}
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});
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// Issue change events for the modified tiddlers
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$tw.utils.each(changedTiddlers,function(status,title) {
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self.wiki.enqueueTiddlerEvent(title,status);
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});
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};
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exports.ThemeManager = ThemeManager;
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})();
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