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mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-12-29 11:30:28 +00:00
TiddlyWiki5/core/modules/savers/tiddlyfox.js
Jermolene 0956ae10a0 Add support for downloading files
We were re-using the `tw-save-wiki` message both for saving the current
wiki and downloading a new wiki. Now we’ll use the separate
`tw-download-file` message for downloading.

Fixes #236
2013-11-27 20:51:08 +00:00

76 lines
1.9 KiB
JavaScript

/*\
title: $:/core/modules/savers/tiddlyfox.js
type: application/javascript
module-type: saver
Handles saving changes via the TiddlyFox file extension
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false, netscape: false, Components: false */
"use strict";
var TiddlyFoxSaver = function(wiki) {
};
TiddlyFoxSaver.prototype.save = function(text,method,callback) {
// Bail out unless this is a save (rather than a download)
if(method !== "save") {
return false;
}
var messageBox = document.getElementById("tiddlyfox-message-box");
if(messageBox) {
// Get the pathname of this document
var pathname = document.location.pathname;
// Test for a Windows path of the form /x:/blah/blah
if(/^\/[A-Z]\:\//i.test(pathname)) {
// Remove the leading slash
pathname = pathname.substr(1);
// Convert slashes to backslashes
pathname = pathname.replace(/\//g,"\\");
}
// Create the message element and put it in the message box
var message = document.createElement("div");
message.setAttribute("data-tiddlyfox-path",decodeURIComponent(pathname));
message.setAttribute("data-tiddlyfox-content",text);
messageBox.appendChild(message);
// Add an event handler for when the file has been saved
message.addEventListener("tiddlyfox-have-saved-file",function(event) {
callback(null);
}, false);
// Create and dispatch the custom event to the extension
var event = document.createEvent("Events");
event.initEvent("tiddlyfox-save-file",true,false);
message.dispatchEvent(event);
return true;
} else {
return false;
}
};
/*
Information about this saver
*/
TiddlyFoxSaver.prototype.info = {
name: "tiddlyfox",
priority: 1500
};
/*
Static method that returns true if this saver is capable of working
*/
exports.canSave = function(wiki) {
return (window.location.protocol === "file:");
};
/*
Create an instance of this saver
*/
exports.create = function(wiki) {
return new TiddlyFoxSaver(wiki);
};
})();