66 lines
2.0 KiB
JavaScript
66 lines
2.0 KiB
JavaScript
/*\
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title: $:/core/modules/upgraders/themetweaks.js
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type: application/javascript
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module-type: upgrader
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Upgrader module that handles the change in theme tweak storage introduced in 5.0.14-beta.
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Previously, theme tweaks were stored in two data tiddlers:
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* $:/themes/tiddlywiki/vanilla/metrics
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* $:/themes/tiddlywiki/vanilla/settings
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Now, each tweak is stored in its own separate tiddler.
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This upgrader copies any values from the old format to the new. The old data tiddlers are not deleted in case they have been used to store additional indexes.
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var MAPPINGS = {
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"$:/themes/tiddlywiki/vanilla/metrics": {
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"fontsize": "$:/themes/tiddlywiki/vanilla/metrics/fontsize",
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"lineheight": "$:/themes/tiddlywiki/vanilla/metrics/lineheight",
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"storyleft": "$:/themes/tiddlywiki/vanilla/metrics/storyleft",
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"storytop": "$:/themes/tiddlywiki/vanilla/metrics/storytop",
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"storyright": "$:/themes/tiddlywiki/vanilla/metrics/storyright",
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"storywidth": "$:/themes/tiddlywiki/vanilla/metrics/storywidth",
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"tiddlerwidth": "$:/themes/tiddlywiki/vanilla/metrics/tiddlerwidth"
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},
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"$:/themes/tiddlywiki/vanilla/settings": {
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"fontfamily": "$:/themes/tiddlywiki/vanilla/settings/fontfamily"
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}
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};
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exports.upgrade = function(wiki,titles,tiddlers) {
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var self = this,
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messages = {};
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// Check for tiddlers on our list
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$tw.utils.each(titles,function(title) {
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var mapping = MAPPINGS[title];
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if(mapping) {
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var tiddler = new $tw.Tiddler(tiddlers[title]),
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tiddlerData = wiki.getTiddlerDataCached(tiddler,{});
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for(var index in mapping) {
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var mappedTitle = mapping[index];
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if(!tiddlers[mappedTitle] || tiddlers[mappedTitle].title !== mappedTitle) {
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tiddlers[mappedTitle] = {
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title: mappedTitle,
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text: tiddlerData[index]
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};
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messages[mappedTitle] = $tw.language.getString("Import/Upgrader/ThemeTweaks/Created",{variables: {
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from: title + "##" + index
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}});
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}
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}
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}
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});
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return messages;
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};
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})();
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