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TiddlyWiki5/core/modules/widgets/fields.js
Jeremy Ruston 6d24cedbcc Refactored widget renderers to be hosted within HTML element renderers
This arrangement takes better advantage of the similarities between the
now deleted widget renderer and the element renderer. It also obviates
the need for wrapper elements around every widget.
2013-01-03 16:27:55 +00:00

78 lines
2.1 KiB
JavaScript

/*\
title: $:/core/modules/widgets/fields.js
type: application/javascript
module-type: widget
The view widget displays the fields of a tiddler through a text substitution template.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var FieldsWidget = function(renderer) {
// Save state
this.renderer = renderer;
// Generate child nodes
this.generate();
};
FieldsWidget.prototype.generate = function() {
// Get parameters from our attributes
this.tiddlerTitle = this.renderer.getAttribute("tiddler",this.renderer.getContextTiddlerTitle());
this.template = this.renderer.getAttribute("template");
this.exclude = this.renderer.getAttribute("exclude");
// Get the tiddler we're displaying
var tiddler = this.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle);
// Get the exclusion list
var exclude;
if(this.exclude) {
exclude = this.exclude.split(" ");
} else {
exclude = ["text"];
}
// Compose the template
var text = [];
if(this.template && tiddler) {
for(var field in tiddler.fields) {
if(exclude.indexOf(field) === -1) {
var row = this.template;
row = row.replace("$name$",field);
row = row.replace("$value$",tiddler.getFieldString(field));
row = row.replace("$encoded_value$",$tw.utils.htmlEncode(tiddler.getFieldString(field)));
text.push(row)
}
}
}
// Set the element
this.tag = "pre";
this.attributes = {
"class": "tw-fields"
};
// Set up the attributes for the wrapper element
var classes = [];
if(this.renderer.hasAttribute("class")) {
$tw.utils.pushTop(classes,this.renderer.getAttribute("class").split(" "));
}
if(classes.length > 0) {
this.attributes["class"] = classes.join(" ");
}
if(this.renderer.hasAttribute("style")) {
this.attributes.style = this.renderer.getAttribute("style");
}
if(this.renderer.hasAttribute("tooltip")) {
this.attributes.title = this.renderer.getAttribute("tooltip");
}
// Create the renderers for the wrapper and the children
this.children = this.renderer.renderTree.createRenderers(this.renderer.renderContext,[{
type: "text",
text: text.join("")
}]);
};
exports.fields = FieldsWidget;
})();