Merge branch '3.1-dev' into 3.1

updating version to 3.1.5

src/Charts/ChartFactory.php

@@ -27,7 +27,7 @@ class ChartFactory
     /**
      * Instance of the ChartBuilder for, well, building charts.
      *
-     * @var \Khill\Lavacharts\Charts\ChartBuilder
+     * @var \Khill\Lavacharts\Builders\ChartBuilder
      */
     private $chartBuilder;
@@ -45,6 +45,7 @@ class ChartFactory
         'CandlestickChart',
         'ColumnChart',
         'ComboChart',
+        'DonutChart',
         'GanttChart',
         'GaugeChart',
         'GeoChart',

src/Charts/DonutChart.php

+<?php
+
+namespace Khill\Lavacharts\Charts;
+
+/**
+ * DonutChart Class
+ *
+ * A pie chart, with a hole in the center, that is rendered within the browser using SVG or VML.
+ * Displays tooltips when hovering over slices.
+ *
+ *
+ * @package   Khill\Lavacharts\Charts
+ * @since     3.1.5
+ * @author    Kevin Hill <kevinkhill@gmail.com>
+ * @copyright (c) 2017, KHill Designs
+ * @link      http://github.com/kevinkhill/lavacharts GitHub Repository Page
+ * @link      http://lavacharts.com                   Official Docs Site
+ * @license   http://opensource.org/licenses/MIT      MIT
+ */
+class DonutChart extends PieChart
+{
+    /**
+     * Javascript chart type.
+     *
+     * @var string
+     */
+    const TYPE = 'DonutChart';
+
+    /**
+     * Returns the chart visualization package.
+     *
+     * @return string
+     */
+    public function getJsClass()
+    {
+        return 'google.visualization.PieChart';
+    }
+}

src/Lavacharts.php

@@ -39,7 +39,7 @@ class Lavacharts
     /**
      * Lavacharts version
      */
-    const VERSION = '3.1.4';
+    const VERSION = '3.1.5';
     /**
      * Locale for the Charts and Dashboards.

src/Volcano.php

@@ -28,7 +28,7 @@ class Volcano
     /**
      * Holds all of the defined Charts.
      *
-     * @var \Khill\Lavacharts\Charts\Chart[]
+     * @var \Khill\Lavacharts\Charts\Chart[][]
      */
     private $charts = [];
@@ -39,6 +39,16 @@ class Volcano
      */
     private $dashboards = [];
+    /**
+     * Volcano constructor
+     */
+    public function __construct()
+    {
+        foreach (ChartFactory::getChartTypes() as $chartType) {
+            $this->charts[$chartType] = [];
+        }
+    }
+
     /**
      * Stores a Chart or Dashboard in the Volcano.
      *