mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-27 02:20:28 +00:00
c43cd325ca
Now we’re just using the word “lingo” for the macro defined in PageTemplate (where the abbreviation is useful), and using the full word “language” everywhere else. It’s possible that we should be using “locale” instead of “language”, what do you think?
89 lines
2.9 KiB
JavaScript
89 lines
2.9 KiB
JavaScript
/*\
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title: $:/core/modules/pluginswitcher.js
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type: application/javascript
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module-type: global
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Manages switching plugins for themes and languages.
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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options:
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wiki: wiki store to be used
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pluginType: type of plugin to be switched
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controllerTitle: title of tiddler used to control switching of this resource
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defaultPlugins: array of default plugins to be used if nominated plugin isn't found
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*/
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function PluginSwitcher(options) {
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this.wiki = options.wiki;
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this.pluginType = options.pluginType;
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this.controllerTitle = options.controllerTitle;
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this.defaultPlugins = options.defaultPlugins || [];
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// Switch to the current plugin
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this.switchPlugins();
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// Listen for changes to the selected plugin
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var self = this;
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this.wiki.addEventListener("change",function(changes) {
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if($tw.utils.hop(changes,self.controllerTitle)) {
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self.switchPlugins();
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}
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});
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}
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PluginSwitcher.prototype.switchPlugins = function() {
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// Get the name of the current theme
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var selectedPluginTitle = this.wiki.getTiddlerText(this.controllerTitle);
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// If it doesn't exist, then fallback to one of the default themes
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var index = 0;
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while(!this.wiki.getTiddler(selectedPluginTitle) && index < this.defaultPlugins.length) {
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selectedPluginTitle = this.defaultPlugins[index++];
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}
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// Accumulate the titles of the plugins that we need to load
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var plugins = [],
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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() && plugins.indexOf(title) === -1) {
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plugins.push(title);
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var pluginInfo = JSON.parse(self.wiki.getTiddlerText(title)),
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dependents = $tw.utils.parseStringArray(tiddler.fields.dependents || "");
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$tw.utils.each(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(selectedPluginTitle);
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// Unregister any existing theme tiddlers
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var unregisteredTiddlers = $tw.wiki.unregisterPluginTiddlers(this.pluginType);
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// Accumulate the titles of shadow tiddlers that have changed as a result of this switch
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var changedTiddlers = {};
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$tw.utils.each(this.wiki.shadowTiddlers,function(shadowInfo,title) {
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if(unregisteredTiddlers.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 registeredTiddlers = $tw.wiki.registerPluginTiddlers(this.pluginType,plugins);
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// Unpack the current theme tiddlers
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$tw.wiki.unpackPluginTiddlers();
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// Accumulate the affected shadow tiddlers
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$tw.utils.each(this.wiki.shadowTiddlers,function(shadowInfo,title) {
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if(registeredTiddlers.indexOf(shadowInfo.source) !== -1) {
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changedTiddlers[title] = false; // isDeleted?
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}
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});
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// Issue change events for the modified tiddlers
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$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.PluginSwitcher = PluginSwitcher;
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})();
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