mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-24 02:27:19 +00:00
91 lines
2.2 KiB
JavaScript
91 lines
2.2 KiB
JavaScript
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/*\
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title: $:/core/modules/savers/twedit.js
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type: application/javascript
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module-type: saver
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Handles saving changes via the TWEdit iOS app
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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, netscape: false, Components: false */
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"use strict";
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var TWEditSaver = function(wiki) {
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};
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TWEditSaver.prototype.save = function(text,callback) {
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// Bail if we're not running under TWEdit
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if(typeof DeviceInfo !== "object") {
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return false;
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}
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// Get the pathname of this document
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var pathname = decodeURIComponent(document.location.pathname);
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// Strip any query or location part
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var p = pathname.indexOf("?");
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if(p !== -1) {
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pathname = pathname.substr(0,p);
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}
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p = pathname.indexOf("#");
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if(p !== -1) {
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pathname = pathname.substr(0,p);
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}
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// Remove the leading "/Documents" from path
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var prefix = "/Documents";
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if(pathname.indexOf(prefix) === 0) {
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pathname = pathname.substr(prefix.length);
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}
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// Error handler
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var errorHandler = function(event) {
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// Error
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callback("Error saving to TWEdit: " + event.target.error.code);
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};
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// Get the file system
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window.requestFileSystem(LocalFileSystem.PERSISTENT,0,function(fileSystem) {
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// Now we've got the filesystem, get the fileEntry
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fileSystem.root.getFile(pathname, {create: true}, function(fileEntry) {
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// Now we've got the fileEntry, create the writer
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fileEntry.createWriter(function(writer) {
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writer.onerror = errorHandler;
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writer.onwrite = function() {
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callback(null);
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};
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writer.position = 0;
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writer.write(text);
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},errorHandler);
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}, errorHandler);
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}, errorHandler);
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return true;
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};
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/*
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Information about this saver
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*/
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TWEditSaver.prototype.info = {
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name: "twedit",
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priority: 1600
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};
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/*
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Static method that returns true if this saver is capable of working
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*/
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exports.canSave = function(wiki) {
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return true;
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};
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/*
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Create an instance of this saver
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*/
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exports.create = function(wiki) {
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return new TWEditSaver(wiki);
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};
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/////////////////////////// Hack
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// HACK: This ensures that TWEdit recognises us as a TiddlyWiki document
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if($tw.browser) {
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window.version = {title: "TiddlyWiki"};
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}
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})();
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