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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Chart bar.
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*
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* @copyright 2016 Frédéric Massart - FMCorz.net
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @module core/chart_bar
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*/
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define(['core/chart_base'], function(Base) {
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/**
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* Bar chart.
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*
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* @extends {module:core/chart_base}
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* @class
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*/
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function Bar() {
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Base.prototype.constructor.apply(this, arguments);
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}
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Bar.prototype = Object.create(Base.prototype);
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/**
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* Whether the bars should be displayed horizontally or not.
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*
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* @type {Bool}
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* @protected
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*/
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Bar.prototype._horizontal = false;
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/**
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* Whether the bars should be stacked or not.
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*
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* @type {Bool}
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* @protected
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*/
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Bar.prototype._stacked = false;
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/** @override */
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Bar.prototype.TYPE = 'bar';
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/** @override */
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Bar.prototype.create = function(Klass, data) {
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var chart = Base.prototype.create.apply(this, arguments);
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chart.setHorizontal(data.horizontal);
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chart.setStacked(data.stacked);
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return chart;
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};
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/** @override */
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Bar.prototype._setDefaults = function() {
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Base.prototype._setDefaults.apply(this, arguments);
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var axis = this.getYAxis(0, true);
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axis.setMin(0);
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};
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/**
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* Get whether the bars should be displayed horizontally or not.
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*
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* @returns {Bool}
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*/
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Bar.prototype.getHorizontal = function() {
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return this._horizontal;
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};
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/**
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* Get whether the bars should be stacked or not.
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*
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* @returns {Bool}
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*/
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Bar.prototype.getStacked = function() {
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return this._stacked;
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};
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/**
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* Set whether the bars should be displayed horizontally or not.
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*
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* It sets the X Axis to zero if the min value is null.
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*
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* @param {Bool} horizontal True if the bars should be displayed horizontally, false otherwise.
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*/
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Bar.prototype.setHorizontal = function(horizontal) {
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var axis = this.getXAxis(0, true);
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if (axis.getMin() === null) {
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axis.setMin(0);
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}
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this._horizontal = Boolean(horizontal);
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};
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/**
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* Set whether the bars should be stacked or not.
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*
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* @method setStacked
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* @param {Bool} stacked True if the chart should be stacked or false otherwise.
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*/
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Bar.prototype.setStacked = function(stacked) {
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this._stacked = Boolean(stacked);
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};
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return Bar;
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});
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