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TiddlyWiki5/core/modules/widgets/info.js
Jeremy Ruston 21cb1e233e Add "info" widget for displaying information about tiddlers
Currently only supports displaying the changecount of a tiddler
2013-03-10 19:24:22 +00:00

51 lines
1.1 KiB
JavaScript

/*\
title: $:/core/modules/widget/info.js
type: application/javascript
module-type: widget
Implements the info widget that displays various information about a specified tiddler.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var InfoWidget = function(renderer) {
// Save state
this.renderer = renderer;
// Generate child nodes
this.generate();
};
InfoWidget.types = {
changecount: function(options) {return options.wiki.getChangeCount(options.title);}
};
InfoWidget.prototype.generate = function() {
// Get attributes
this.tiddlerTitle = this.renderer.getAttribute("tiddler",this.renderer.getContextTiddlerTitle());
this.type = this.renderer.getAttribute("type","changecount");
// Get the appropriate value for the current tiddler
var value = "",
fn = InfoWidget.types[this.type];
if(fn) {
value = fn({
wiki: this.renderer.renderTree.wiki,
title: this.tiddlerTitle
});
}
// Set the element
this.tag = "span";
this.attributes = {};
this.children = this.renderer.renderTree.createRenderers(this.renderer.renderContext,[{
type: "text",
text: value
}]);
};
exports.info = InfoWidget;
})();