mirror of
https://github.com/Jermolene/TiddlyWiki5
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53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
/*\
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title: $:/core/modules/widgets/datauri.js
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type: application/javascript
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module-type: widget
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The datauri widget displays the contents of a tiddler as a data URI.
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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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var DataUriWidget = function(renderer) {
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// Save state
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this.renderer = renderer;
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// Generate child nodes
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this.generate();
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};
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DataUriWidget.prototype.generate = function() {
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// Get parameters from our attributes
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this.tiddlerTitle = this.renderer.getAttribute("tiddler",this.renderer.tiddlerTitle);
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// Compose the data URI
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var tiddler = this.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle),
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uri = "";
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if(tiddler) {
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var type = tiddler.fields.type || "text/vnd.tiddlywiki",
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typeInfo = $tw.config.contentTypeInfo[type],
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isBase64 = typeInfo && typeInfo.encoding === "base64",
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parts = ["data:"];
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parts.push(type);
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parts.push(isBase64 ? ";base64" : "");
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parts.push(",");
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parts.push(isBase64 ? tiddler.fields.text : encodeURIComponent(tiddler.fields.text));
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uri = parts.join("");
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}
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// Set the element
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this.tag = "pre";
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this.attributes = {
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"class": "tw-data-uri"
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};
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// Create the renderers for the wrapper and the children
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this.children = this.renderer.renderTree.createRenderers(this.renderer,[{
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type: "text",
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text: uri
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}]);
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};
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exports.datauri = DataUriWidget;
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})(); |