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Code Issues Releases Wiki Activity

BrowserStorage: Add a filter to determine which tiddlers are saved

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This commit is contained in:
Jermolene 2019-02-07 14:35:25 +00:00
parent 7df58a6813
commit 51b4f63c5c
4 changed files with 31 additions and 2 deletions
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2
plugins/tiddlywiki/browser-storage/config/SaveFilter.tid Normal file
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@ -0,0 +1,2 @@
title: $:/config/BrowserStorage/SaveFilter
text: [is[tiddler]]

2
plugins/tiddlywiki/browser-storage/plugin.info
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@ -3,5 +3,5 @@
"description": "Local storage in the browser",
"author": "Jeremy Ruston ",
"core-version": ">=5.0.0",
"list": "readme"
"list": "readme settings"
}

6
plugins/tiddlywiki/browser-storage/settings.tid Normal file
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@ -0,0 +1,6 @@
title: $:/plugins/tiddlywiki/browser-storage/settings
This filter determines which tiddlers will be saved to local storage. By default, it contains `[is[tiddler]]` meaning that it will attempt to save all tiddlers. Other useful values include `[prefix[$:/state/]]` to just save state tiddlers, thus preserving selected tabs, and the open/closed status of table of contents entries.
<$link to="$:/config/BrowserStorage/SaveFilter">Browser Storage Save Filter</$link>: <$edit-text tiddler="$:/config/BrowserStorage/SaveFilter" default="" tag="input" size="50"/>

21
plugins/tiddlywiki/browser-storage/startup.js
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@ -18,7 +18,10 @@ exports.platforms = ["browser"];
exports.after = ["load-modules"];
exports.synchronous = true;
var SAVE_FILTER_TITLE = "$:/config/BrowserStorage/SaveFilter"
exports.startup = function() {
var self = this;
// Compute our prefix for local storage keys
var url = window.location.protocol === "file:" ? window.location.pathname : "",
prefix = "tw5#" + url + "#";
@ -26,9 +29,27 @@ exports.startup = function() {
var logger = new $tw.utils.Logger("browser-storage",{
colour: "cyan"
});
// Function to compile the filter
var filterFn,
compileFilter = function() {
filterFn = $tw.wiki.compileFilter($tw.wiki.getTiddlerText(SAVE_FILTER_TITLE));
}
compileFilter();
// Track tiddler changes
$tw.wiki.addEventListener("change",function(changes) {
// Recompile the filter if it has changed
if(changes[SAVE_FILTER_TITLE]) {
compileFilter();
}
// Filter the changes
var filteredChanges = filterFn.call($tw.wiki,function(iterator) {
$tw.utils.each(changes,function(change,title) {
var tiddler = $tw.wiki.getTiddler(title);
iterator(tiddler,title);
});
});
console.log("Filtered changes",filteredChanges)
$tw.utils.each(filteredChanges,function(title) {
// Get the tiddler
var tiddler = $tw.wiki.getTiddler(title);
if(tiddler) {