Initial xentral_oss_20.3.c9ffacf

2021-05-21 08:49:41 +02:00
parent 5406e4a551
commit 34e5ac43d9
18884 changed files with 2109867 additions and 0 deletions
@@ -0,0 +1,125 @@
+<?php
+
+namespace Xentral\Widgets\Chart;
+
+/**
+ * Spezielles Dataset für Pie-/Doughnut-Charts
+ *
+ * Besonderheiten:
+ * * Farben müssen als Array angegeben werden; pro Wert eine Farbe
+ * * Strichbreiten ('borderWidth') müssen als Array angegeben werden; pro Wert eine Breite
+ *
+ * http://www.chartjs.org/docs/master/charts/doughnut.html#dataset-properties
+ */
+class PieDataset extends Dataset
+{
+    /** @var array $defaultAlphaValues Transparenz-Werte */
+    protected static $defaultAlphaValues = [
+        'borderColor' => 1.0,
+        'backgroundColor' => 1.0,
+        'hoverBorderColor' => 1.0,
+    ];
+
+    /** @var int $colorPointer Merkt sich die zuletzt verwendete Default-Color */
+    private $colorPointer = 0;
+
+    /**
+     * @inheritdoc
+     */
+    public function __construct($label, $data, array $options = [])
+    {
+        parent::__construct($label, $data, $options);
+
+        $this->options['borderWidth'] = 3;
+
+        unset($this->options['pointBackgroundColor']);
+    }
+
+    /**
+     * @param Color $color
+     *
+     * @return void
+     */
+    public function setColor(Color $color)
+    {
+        $backgroundColor = clone $color;
+        $borderColor = new Color(255, 255, 255);
+        $hoverBorderColor = new Color(255, 255, 255);
+
+        $borderColor->setAlpha($this->getDefaultAlphaValue('borderColor'));
+        $backgroundColor->setAlpha($this->getDefaultAlphaValue('backgroundColor'));
+        $hoverBorderColor->setAlpha($this->getDefaultAlphaValue('hoverBorderColors'));
+
+        // Hintergrundfarbe als Array setzen
+        // Pro Datensatz Farbe etwas heller machen
+        $backgroundColors = [];
+        $dataCount = $this->getDataCount();
+        foreach ($this->data as $key => $value) {
+            $difference = $key * 75 / $dataCount;
+            $backgroundColorLighter = clone $backgroundColor;
+            $backgroundColorLighter->makeLighter($difference);
+            $backgroundColors[$key] = $backgroundColorLighter;
+        }
+
+        $this->options['borderColor'] = $borderColor;
+        $this->options['backgroundColor'] = $backgroundColors;
+        $this->options['hoverBorderColor'] = $hoverBorderColor;
+
+        $this->hasColorAssigned = true;
+    }
+
+    /**
+     * Hintergrundfarben pro Wert hinterlegen
+     *
+     * Die Anzahl der Farben sollte der Anzahl der Daten entsprechen
+     *
+     * @param array|string[] $colors Hexadecimal- oder RGB-Schreibweise
+     *
+     * @return void
+     */
+    public function setColors(array $colors)
+    {
+        // Rahmenfarbe auf Weiß setzen
+        $borderColor = new Color(255, 255, 255);
+        $hoverBorderColor = new Color(255, 255, 255);
+        $borderColor->setAlpha($this->getDefaultAlphaValue('borderColor'));
+        $hoverBorderColor->setAlpha($this->getDefaultAlphaValue('hoverBorderColors'));
+
+        // Nur Hintergrundfarbe/Füllfarbe variieren
+        $backgroundColors = [];
+        //foreach ($colors as $color) {
+        foreach ($this->data as $key => $value) {
+            $color = $colors[$key];
+            if (strpos($color, '#', 0) === 0) {
+                $backgroundColor = Color::createFromHex($color);
+            } else {
+                $rgb = $this->getNextDefaultColor();
+                $backgroundColor = new Color($rgb[0], $rgb[1], $rgb[2], 1);
+            }
+
+            $backgroundColor->setAlpha($this->getDefaultAlphaValue('backgroundColor'));
+            $backgroundColors[] = $backgroundColor;
+        }
+
+        $this->options['borderColor'] = $borderColor;
+        $this->options['hoverBorderColor'] = $hoverBorderColor;
+        $this->options['backgroundColor'] = $backgroundColors;
+
+        $this->hasColorAssigned = true;
+    }
+
+    /**
+     * @return array RGB-Array
+     */
+    private function getNextDefaultColor()
+    {
+        $this->colorPointer++;
+        if ($this->colorPointer >= count(self::$colorMap)) {
+            $this->colorPointer = 0;
+        }
+
+        $colors = array_values(self::$colorMap);
+
+        return $colors[$this->colorPointer];
+    }
+}