75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
/*\
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title: $:/core/modules/savers/fsosaver.js
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type: application/javascript
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module-type: saver
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Handles saving changes via MS FileSystemObject ActiveXObject
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Note: Since TiddlyWiki's markup contains the MOTW, the FileSystemObject normally won't be available.
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However, if the wiki is loaded as an .HTA file (Windows HTML Applications) then the FSO can be used.
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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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/*
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Select the appropriate saver module and set it up
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*/
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var FSOSaver = function(wiki) {
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};
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FSOSaver.prototype.save = function(text,method,callback) {
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// Get the pathname of this document
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var pathname = unescape(document.location.pathname);
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// Test for a Windows path of the form /x:\blah...
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if(/^\/[A-Z]\:\\[^\\]+/i.test(pathname)) { // ie: ^/[a-z]:/[^/]+
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// Remove the leading slash
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pathname = pathname.substr(1);
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} else if(document.location.hostname !== "" && /^\/\\[^\\]+\\[^\\]+/i.test(pathname)) { // test for \\server\share\blah... - ^/[^/]+/[^/]+
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// Remove the leading slash
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pathname = pathname.substr(1);
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// reconstruct UNC path
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pathname = "\\\\" + document.location.hostname + pathname;
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} else {
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return false;
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}
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// Save the file (as UTF-16)
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var fso = new ActiveXObject("Scripting.FileSystemObject");
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var file = fso.OpenTextFile(pathname,2,-1,-1);
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file.Write(text);
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file.Close();
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// Callback that we succeeded
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callback(null);
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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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FSOSaver.prototype.info = {
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name: "FSOSaver",
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priority: 120,
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capabilities: ["save", "autosave"]
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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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try {
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return (window.location.protocol === "file:") && !!(new ActiveXObject("Scripting.FileSystemObject"));
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} catch(e) { return false; }
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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 FSOSaver(wiki);
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};
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})();
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