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TiddlyWiki5/core/modules/macros/download.js

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/*\
title: $:/core/modules/macros/download.js
type: application/javascript
module-type: macro
Download macro
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.info = {
name: "download",
params: {
title: {byName: "default", type: "text"},
type: {byName: true, type: "text"},
"filename": {byName: true, type: "text"},
"label": {byName: true, type: "text"}
},
events: ["click"]
};
exports.handleEvent = function(event) {
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if(event.type === "click") {
var text = this.wiki.renderTiddler(this.downloadType,this.downloadTitle),
link = document.createElement("a");
link.setAttribute("download",this.downloadFilename);
link.setAttribute("href","data:" + this.downloadType + "," + encodeURIComponent(text));
link.click();
event.preventDefault();
return false;
}
return true;
};
exports.executeMacro = function() {
this.downloadTitle = this.params.title || "$:/core/templates/tiddlywiki5.template.html";
this.downloadType = this.params.type || "text/plain";
this.downloadFilename = this.params.filename || this.downloadTitle;
var attributes = {},
content = [];
if(this.hasParameter("label")) {
content.push($tw.Tree.Text(this.params.label));
} else {
content.push($tw.Tree.Text("Download \"" + this.downloadFilename + "\""));
}
return [$tw.Tree.Element("button",attributes,content)];
};
})();