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+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+
+namespace Icinga\Chart\Primitive;
+
+use DOMElement;
+use Icinga\Util\Csp;
+use ipl\Web\Style;
+
+/**
+ * Base class for stylable drawables
+ */
+class Styleable
+{
+
+ /**
+ * The stroke width to use
+ *
+ * @var int|float
+ */
+ public $strokeWidth = 0;
+
+ /**
+ * The stroke color to use
+ *
+ * @var string
+ */
+ public $strokeColor = '#000';
+
+ /**
+ * The fill color to use
+ *
+ * @var string
+ */
+ public $fill = 'none';
+
+ /**
+ * Additional styles to be appended to the style attribute
+ *
+ * @var array<string, string>
+ */
+ public $additionalStyle = [];
+
+ /**
+ * The id of this element
+ *
+ * @var ?string
+ */
+ public $id = null;
+
+ /**
+ * Additional attributes to be set
+ *
+ * @var array
+ */
+ public $attributes = array();
+
+ /**
+ * Set the stroke width for this drawable
+ *
+ * @param int|float $width The stroke with unit
+ *
+ * @return $this Fluid interface
+ */
+ public function setStrokeWidth($width)
+ {
+ $this->strokeWidth = $width;
+ return $this;
+ }
+
+ /**
+ * Set the color for the stroke or none for no stroke
+ *
+ * @param string $color The color to set for the stroke
+ *
+ * @return $this Fluid interface
+ */
+ public function setStrokeColor($color)
+ {
+ $this->strokeColor = $color ? $color : 'none';
+ return $this;
+ }
+
+ /**
+ * Set additional styles for this drawable
+ *
+ * @param array<string, string> $styles The styles to set additionally
+ *
+ * @return $this Fluid interface
+ */
+ public function setAdditionalStyle($styles)
+ {
+ $this->additionalStyle = $styles;
+ return $this;
+ }
+
+ /**
+ * Set the fill for this styleable
+ *
+ * @param string $color The color to use for filling or null to use no fill
+ *
+ * @return $this Fluid interface
+ */
+ public function setFill($color = null)
+ {
+ $this->fill = $color ? $color : 'none';
+ return $this;
+ }
+
+ /**
+ * Set the id for this element
+ *
+ * @param string $id The id to set for this element
+ *
+ * @return $this Fluid interface
+ */
+ public function setId($id)
+ {
+ $this->id = $id;
+
+ return $this;
+ }
+
+ /**
+ * Return the ruleset used for styling the DOMNode
+ *
+ * @return Style A ruleset containing styles
+ */
+ public function getStyle()
+ {
+ $styles = $this->additionalStyle;
+ $styles['fill'] = $this->fill;
+ $styles['stroke'] = $this->strokeColor;
+ $styles['stroke-width'] = (string) $this->strokeWidth;
+
+ return (new Style())
+ ->setNonce(Csp::getStyleNonce())
+ ->add("#$this->id", $styles);
+ }
+
+ /**
+ * Add an additional attribute to this element
+ */
+ public function setAttribute($key, $value)
+ {
+ $this->attributes[$key] = $value;
+ }
+
+ /**
+ * Apply attribute to a DOMElement
+ *
+ * @param DOMElement $el Element to apply attributes
+ */
+ protected function applyAttributes(DOMElement $el)
+ {
+ foreach ($this->attributes as $name => $value) {
+ $el->setAttribute($name, $value);
+ }
+ }
+}