mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-09-29 23:40:45 +00:00
107 lines
3.1 KiB
JavaScript
107 lines
3.1 KiB
JavaScript
/*\
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title: $:/plugins/tiddlywiki/savetrail/savetrail.js
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type: application/javascript
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module-type: startup
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A startup module to download every changed tiddler as a JSON file
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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// Export name and synchronous status
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exports.name = "savetrail";
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exports.platforms = ["browser"];
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exports.after = ["startup"];
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exports.synchronous = true;
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// Favicon tiddler
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var SAVE_FILTER_TIDDLER_TITLE = "$:/config/SaveTrailPlugin/save-filter",
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ENABLE_TIDDLER_TITLE = "$:/config/SaveTrailPlugin/enable",
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ENABLE_DRAFTS_TIDDLER_TITLE = "$:/config/SaveTrailPlugin/enable-drafts";
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exports.startup = function() {
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$tw.savetrail = $tw.savetrail || {};
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$tw.savetrail.syncadaptor = new SaveTrailSyncAdaptor();
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$tw.savetrail.syncer = new $tw.Syncer({
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wiki: $tw.wiki,
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syncadaptor: $tw.savetrail.syncadaptor,
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titleSyncFilter: SAVE_FILTER_TIDDLER_TITLE,
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logging: false
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});
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};
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function SaveTrailSyncAdaptor(options) {
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this.logger = new $tw.utils.Logger("SaveTrail");
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}
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SaveTrailSyncAdaptor.prototype.name = "savetrail";
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SaveTrailSyncAdaptor.prototype.isReady = function() {
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// The savetrail adaptor is always ready
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return true;
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};
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SaveTrailSyncAdaptor.prototype.getTiddlerInfo = function(tiddler) {
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return {};
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};
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/*
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Save a tiddler and invoke the callback with (err,adaptorInfo,revision)
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*/
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SaveTrailSyncAdaptor.prototype.saveTiddler = function(tiddler,callback) {
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if($tw.wiki.getTiddlerText(ENABLE_TIDDLER_TITLE).toLowerCase() === "yes") {
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var isDraft = $tw.utils.hop(tiddler.fields,"draft.of");
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if(!isDraft || $tw.wiki.getTiddlerText(ENABLE_DRAFTS_TIDDLER_TITLE).toLowerCase() === "yes") {
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saveTiddlerFile(tiddler);
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}
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}
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callback(null);
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};
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/*
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Load a tiddler and invoke the callback with (err,tiddlerFields)
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We don't need to implement loading for the file system adaptor, because all the tiddler files will have been loaded during the boot process.
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*/
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SaveTrailSyncAdaptor.prototype.loadTiddler = function(title,callback) {
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callback(null,null);
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};
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/*
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Delete a tiddler and invoke the callback with (err)
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*/
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SaveTrailSyncAdaptor.prototype.deleteTiddler = function(title,callback,options) {
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callback(null);
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};
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function saveTiddlerFile(tiddler) {
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var illegalFilenameCharacters = /<|>|\:|\"|\/|\\|\||\?|\*|\^|\s/g,
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fixedTitle = tiddler.fields.title.replace(illegalFilenameCharacters,"_"),
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formattedDate = $tw.utils.stringifyDate(new Date()),
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filename = fixedTitle + "." + formattedDate + ".json",
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fields = new Object();
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for(var field in tiddler.fields) {
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fields[field] = tiddler.getFieldString(field);
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}
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var text = JSON.stringify([fields],null,$tw.config.preferences.jsonSpaces),
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link = document.createElement("a");
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link.setAttribute("target","_blank");
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link.setAttribute("rel","noopener noreferrer");
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if(Blob !== undefined) {
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var blob = new Blob([text], {type: "text/plain"});
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link.setAttribute("href", URL.createObjectURL(blob));
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} else {
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link.setAttribute("href","data:text/plain," + encodeURIComponent(text));
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}
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link.setAttribute("download",filename);
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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})();
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