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TiddlyWiki5/core/modules/savers/download.js
2014-01-03 10:54:00 +00:00

67 lines
1.4 KiB
JavaScript

/*\
title: $:/core/modules/savers/download.js
type: application/javascript
module-type: saver
Handles saving changes via HTML5's download APIs
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Select the appropriate saver module and set it up
*/
var DownloadSaver = function(wiki) {
};
DownloadSaver.prototype.save = function(text,method,callback) {
// Get the current filename
var filename = "tiddlywiki.html",
p = document.location.pathname.lastIndexOf("/");
if(p !== -1) {
filename = document.location.pathname.substr(p+1);
}
// Set up the link
var link = document.createElement("a");
link.setAttribute("target","_blank");
if(Blob !== undefined) {
var blob = new Blob([text], {type: "text/html"});
link.setAttribute("href", URL.createObjectURL(blob));
} else {
link.setAttribute("href","data:text/html," + encodeURIComponent(text));
}
link.setAttribute("download",filename);
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
return true;
};
/*
Information about this saver
*/
DownloadSaver.prototype.info = {
name: "download",
priority: 100
};
/*
Static method that returns true if this saver is capable of working
*/
exports.canSave = function(wiki) {
return document.createElement("a").download !== undefined;
};
/*
Create an instance of this saver
*/
exports.create = function(wiki) {
return new DownloadSaver(wiki);
};
})();