mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2025-02-23 22:40:01 +00:00
55c634692b
More enhancements needed for the test framework too in order to allow events to be processed manually, without relying on the nexttick handler which is awkward in Jasmine
96 lines
3.4 KiB
JavaScript
96 lines
3.4 KiB
JavaScript
/*\
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title: $:/core/modules/utils/plugins.js
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type: application/javascript
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module-type: utils
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Plugin utilities
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var TITLE_REQUIRE_RELOAD_DUE_TO_PLUGIN_CHANGE = "$:/status/RequireReloadDueToPluginChange";
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var PREFIX_CONFIG_REGISTER_PLUGIN_TYPE = "$:/config/RegisterPluginType/";
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exports.installPluginChangeHandler = function(wiki) {
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wiki.addTiddler({title: TITLE_REQUIRE_RELOAD_DUE_TO_PLUGIN_CHANGE,text: "no"});
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wiki.addEventListener("change",function(changes) {
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// Work out which of the changed tiddlers are plugins that we need to (re)register
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var changesToProcess = [];
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$tw.utils.each(Object.keys(changes),function(title) {
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var tiddler = wiki.getTiddler(title);
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if(tiddler) {
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// It is a plugin that has been added or modified and is of a type that we need to register
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if(tiddler.isPlugin() && $tw.wiki.getTiddlerText(PREFIX_CONFIG_REGISTER_PLUGIN_TYPE + (tiddler.fields["plugin-type"] || ""),"no") === "yes") {
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changesToProcess.push(title);
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}
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} else {
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if(wiki.isSubPlugin(title)) {
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// It is a sub-plugin
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changesToProcess.push(title);
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} else {
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// It is a plugin that has been deleted
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var pluginInfo = wiki.getPluginInfo(title)
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if(pluginInfo) {
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changesToProcess.push(title);
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}
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}
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}
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});
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if(changesToProcess.length > 0) {
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// Read the plugin info of the changed tiddlers
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var changedPluginInfo = wiki.readPluginInfo(changesToProcess);
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if(changedPluginInfo.modifiedPlugins.length > 0 || changedPluginInfo.deletedPlugins.length > 0) {
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var changedShadowTiddlers = {},
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requireReloadDueToPluginChange = false;
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// Collect the shadow tiddlers of any deleted plugins
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$tw.utils.each(changedPluginInfo.deletedPlugins,function(pluginTitle) {
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var contents = changedPluginInfo.deletedPluginContents[pluginTitle];
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if(contents && contents.tiddlers) {
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$tw.utils.each(Object.keys(contents.tiddlers),function(title) {
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changedShadowTiddlers[title] = true;
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if(contents.tiddlers[title].type === "application/javascript") {
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requireReloadDueToPluginChange = true;
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}
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});
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}
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});
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// Collect the shadow tiddlers of any modified plugins
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$tw.utils.each(changedPluginInfo.modifiedPlugins,function(pluginTitle) {
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var pluginInfo = wiki.getPluginInfo(pluginTitle);
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if(pluginInfo && pluginInfo.tiddlers) {
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$tw.utils.each(Object.keys(pluginInfo.tiddlers),function(title) {
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changedShadowTiddlers[title] = false;
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if(pluginInfo.tiddlers[title].type === "application/javascript") {
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requireReloadDueToPluginChange = true;
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}
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});
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}
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});
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// (Re-)register any modified plugins
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wiki.registerPluginTiddlers(null,changedPluginInfo.modifiedPlugins);
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// Unregister any deleted plugins
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wiki.unregisterPluginTiddlers(null,changedPluginInfo.deletedPlugins);
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// Unpack the shadow tiddlers
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wiki.unpackPluginTiddlers();
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// Queue change events for the changed shadow tiddlers
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$tw.utils.each(changedShadowTiddlers,function(status,title) {
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wiki.enqueueTiddlerEvent(title,changedShadowTiddlers[title], true);
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});
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// Issue warning if any of the tiddlers require a reload
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if(requireReloadDueToPluginChange) {
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wiki.addTiddler({title: TITLE_REQUIRE_RELOAD_DUE_TO_PLUGIN_CHANGE,text: "yes"});
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}
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}
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}
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});
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};
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})();
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