Frederic Massart
134 lines
3.4 KiB
PHP
134 lines
3.4 KiB
PHP
<?php
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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 base.
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*
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* @package core
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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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*/
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namespace core;
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defined('MOODLE_INTERNAL') || die();
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use coding_exception;
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use JsonSerializable;
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use renderable;
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/**
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* Chart base class.
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*
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* @package core
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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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*/
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class chart_base implements JsonSerializable, renderable {
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protected $series = [];
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protected $labels = [];
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protected $title = null;
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protected $xaxes = [];
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protected $yaxes = [];
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public function __construct() {
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}
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public function add_series(chart_series $serie) {
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$this->series[] = $serie;
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}
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public function jsonSerialize() {
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return [
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'type' => $this->get_type(),
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'series' => $this->series,
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'labels' => $this->labels,
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'title' => $this->title,
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'axes' => [
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'x' => $this->xaxes,
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'y' => $this->yaxes,
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]
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];
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}
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private function get_axis($type, $index, $createifnotexists) {
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if ($type === 'x') {
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$axes = &$this->xaxes;
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} else {
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$axes = &$this->yaxes;
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}
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if (!isset($axes[$index])) {
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if (!$createifnotexists) {
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throw new coding_exception('Unknown axis.');
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}
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$axes[$index] = new chart_axis();
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}
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return $axes[$index];
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}
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public function get_labels() {
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return $this->labels;
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}
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public function get_series() {
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return $this->series;
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}
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public function get_title() {
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return $this->title;
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}
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public function get_type() {
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$classname = get_class($this);
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return substr($classname, strpos($classname, '_') + 1);
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}
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public function get_xaxes() {
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return $this->xaxes;
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}
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public function get_xaxis($index = 0, $createifnotexists = false) {
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return $this->get_axis('x', $index, $createifnotexists);
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}
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public function get_yaxes() {
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return $this->yaxes;
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}
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public function get_yaxis($index = 0, $createifnotexists = false) {
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return $this->get_axis('y', $index, $createifnotexists);
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}
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public function set_labels(array $labels) {
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$this->labels = $labels;
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}
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public function set_title($title) {
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$this->title = $title;
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}
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public function set_xaxis(chart_axis $axis, $index = 0) {
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return $this->xaxes[$index] = $axis;
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}
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public function set_yaxis(chart_axis $axis, $index = 0) {
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return $this->yaxes[$index] = $axis;
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}
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}
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