MDL-54987 core: New charting API

2016-07-22 17:33:30 +08:00
parent 45feaec83b
commit 357ec2d584
24 changed files with 822 additions and 0 deletions
@@ -0,0 +1,76 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Chart base.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core;
+defined('MOODLE_INTERNAL') || die();
+
+use coding_exception;
+use JsonSerializable;
+use renderable;
+
+/**
+ * Chart base class.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class chart_base implements JsonSerializable, renderable {
+
+    protected $series = [];
+    protected $labels = [];
+
+    public function __construct() {
+    }
+
+    public function add_series(chart_series $serie) {
+        $this->series[] = $serie;
+    }
+
+    public function jsonSerialize() {
+        return [
+            'type' => $this->get_type(),
+            'series' => $this->series,
+            'labels' => $this->labels
+        ];
+    }
+
+    public function get_labels() {
+        return $this->labels;
+    }
+
+    public function get_series() {
+        return $this->series;
+    }
+
+    public function get_type() {
+        $classname = get_class($this);
+        return substr($classname, strpos($classname, '_') + 1);
+    }
+
+    public function set_labels(array $labels) {
+        $this->labels = $labels;
+    }
+
+}