five-bells-visualization
Version:
Tool to visualize Five Bells payments
103 lines (80 loc) • 2.51 kB
JavaScript
/**
* dat-gui JavaScript Controller Library
* http://code.google.com/p/dat-gui
*
* Copyright 2011 Data Arts Team, Google Creative Lab
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
define([
'dat/controllers/Controller',
'dat/dom/dom',
'dat/utils/common'
],
function(Controller, dom, common) {
/**
* @class Provides a select input to alter the property of an object, using a
* list of accepted values.
*
* @extends dat.controllers.Controller
*
* @param {Object} object The object to be manipulated
* @param {string} property The name of the property to be manipulated
* @param {Object|string[]} options A map of labels to acceptable values, or
* a list of acceptable string values.
*
* @member dat.controllers
*/
var OptionController = function(object, property, options) {
OptionController.superclass.call(this, object, property);
var _this = this;
/**
* The drop down menu
* @ignore
*/
this.__select = document.createElement('select');
if (common.isArray(options)) {
var map = {};
common.each(options, function(element) {
map[element] = element;
});
options = map;
}
common.each(options, function(value, key) {
var opt = document.createElement('option');
opt.innerHTML = key;
opt.setAttribute('value', value);
_this.__select.appendChild(opt);
});
// Acknowledge original value
this.updateDisplay();
dom.bind(this.__select, 'change', function() {
var desiredValue = this.options[this.selectedIndex].value;
_this.setValue(desiredValue);
});
this.domElement.appendChild(this.__select);
};
OptionController.superclass = Controller;
common.extend(
OptionController.prototype,
Controller.prototype,
{
setValue: function(v) {
var toReturn = OptionController.superclass.prototype.setValue.call(this, v);
if (this.__onFinishChange) {
this.__onFinishChange.call(this, this.getValue());
}
return toReturn;
},
updateDisplay: function() {
this.__select.value = this.getValue();
return OptionController.superclass.prototype.updateDisplay.call(this);
}
}
);
return OptionController;
});