mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-30 20:10:28 +00:00
b520efdeb8
Now the `tm-download-file` and `tm-save-file` messages use the hashmap to specify variables to be applied when rendering the tiddler. We also add a convention that the variable “filename” is used to specify a filename for the download.
75 lines
1.6 KiB
JavaScript
75 lines
1.6 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,options) {
|
|
options = options || {};
|
|
// Get the current filename
|
|
var filename = options.variables.filename;
|
|
if(!filename) {
|
|
var p = document.location.pathname.lastIndexOf("/");
|
|
if(p !== -1) {
|
|
filename = document.location.pathname.substr(p+1);
|
|
} else {
|
|
filename = "tiddlywiki.html";
|
|
}
|
|
}
|
|
// 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);
|
|
// Callback that we succeeded
|
|
callback(null);
|
|
return true;
|
|
};
|
|
|
|
/*
|
|
Information about this saver
|
|
*/
|
|
DownloadSaver.prototype.info = {
|
|
name: "download",
|
|
priority: 100,
|
|
capabilities: ["save", "download"]
|
|
};
|
|
|
|
/*
|
|
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);
|
|
};
|
|
|
|
})();
|