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TiddlyWiki5/core/modules/widgets/setmultiplevariables.js

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/*\
title: $:/core/modules/widgets/setmultiplevariables.js
type: application/javascript
module-type: widget
Widget to set multiple variables at once from a list of names and a list of values
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var Widget = require("$:/core/modules/widgets/widget.js").widget;
var SetMultipleVariablesWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
/*
Inherit from the base widget class
*/
SetMultipleVariablesWidget.prototype = new Widget();
/*
Render this widget into the DOM
*/
SetMultipleVariablesWidget.prototype.render = function(parent,nextSibling) {
this.parentDomNode = parent;
this.computeAttributes();
this.execute();
this.renderChildren(parent,nextSibling);
};
/*
Compute the internal state of the widget
*/
SetMultipleVariablesWidget.prototype.execute = function() {
// Setup our variables
this.setVariables();
// Construct the child widgets
this.makeChildWidgets();
};
SetMultipleVariablesWidget.prototype.setVariables = function() {
// Set the variables
var self = this,
filterNames = this.getAttribute("$names",""),
filterValues = this.getAttribute("$values","");
this.variableNames = [];
this.variableValues = [];
if(filterNames && filterValues) {
this.variableNames = this.wiki.filterTiddlers(filterNames,this);
this.variableValues = this.wiki.filterTiddlers(filterValues,this);
$tw.utils.each(this.variableNames,function(varname,index) {
self.setVariable(varname,self.variableValues[index]);
});
}
};
/*
Refresh the widget by ensuring our attributes are up to date
*/
SetMultipleVariablesWidget.prototype.refresh = function(changedTiddlers) {
var filterNames = this.getAttribute("$names",""),
filterValues = this.getAttribute("$values",""),
variableNames = this.wiki.filterTiddlers(filterNames,this),
variableValues = this.wiki.filterTiddlers(filterValues,this);
if(!$tw.utils.isArrayEqual(this.variableNames,variableNames) || !$tw.utils.isArrayEqual(this.variableValues,variableValues)) {
this.refreshSelf();
return true;
}
return this.refreshChildren(changedTiddlers);
};
exports["setmultiplevariables"] = SetMultipleVariablesWidget;
})();