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TiddlyWiki5/core/modules/widgets/edit.js
Jermolene 70a7321edd Take editor configuration from configuration tiddlers
This should enable @buggyj to add an html editor by including a
configuration tiddler in the plugin.
2014-01-24 20:22:23 +00:00

89 lines
2.4 KiB
JavaScript

/*\
title: $:/core/modules/widgets/edit.js
type: application/javascript
module-type: widget
Edit widget is a meta-widget chooses the appropriate actual editting widget
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var Widget = require("$:/core/modules/widgets/widget.js").widget;
var EditWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
/*
Inherit from the base widget class
*/
EditWidget.prototype = new Widget();
/*
Render this widget into the DOM
*/
EditWidget.prototype.render = function(parent,nextSibling) {
this.parentDomNode = parent;
this.computeAttributes();
this.execute();
this.renderChildren(parent,nextSibling);
};
// Mappings from content type to editor type are stored in tiddlers with this prefix
var EDITOR_MAPPING_PREFIX = "$:/config/EditorTypeMappings/";
/*
Compute the internal state of the widget
*/
EditWidget.prototype.execute = function() {
// Get our parameters
this.editTitle = this.getAttribute("tiddler",this.getVariable("currentTiddler"));
this.editField = this.getAttribute("field","text");
this.editIndex = this.getAttribute("index");
this.editClass = this.getAttribute("class");
this.editPlaceholder = this.getAttribute("placeholder");
// Get the content type of the thing we're editing
var type;
if(this.editField === "text") {
var tiddler = this.wiki.getTiddler(this.editTitle);
if(tiddler) {
type = tiddler.fields.type;
}
}
type = type || "text/vnd.tiddlywiki";
// Choose the appropriate edit widget
var editorType = this.wiki.getTiddlerText(EDITOR_MAPPING_PREFIX + type) || "text";
// Make the child widgets
this.makeChildWidgets([{
type: "edit-" + editorType,
attributes: {
tiddler: {type: "string", value: this.editTitle},
field: {type: "string", value: this.editField},
index: {type: "string", value: this.editIndex},
"class": {type: "string", value: this.editClass},
"placeholder": {type: "string", value: this.editPlaceholder}
}
}]);
};
/*
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
*/
EditWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if(changedAttributes.tiddler || changedAttributes.field || changedAttributes.index) {
this.refreshSelf();
return true;
} else {
return this.refreshChildren(changedTiddlers);
}
};
exports.edit = EditWidget;
})();