1 files changed, 103 insertions, 0 deletions
diff --git a/library/Icinga/Chart/Primitive/Line.php b/library/Icinga/Chart/Primitive/Line.php
new file mode 100644
index 0000000..d83cbea
--- /dev/null
+++ b/library/Icinga/Chart/Primitive/Line.php
@@ -0,0 +1,103 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Chart\Primitive;
+
+use DOMDocument;
+use DOMElement;
+use Icinga\Chart\Render\RenderContext;
+use Icinga\Chart\Format;
+
+/**
+ * Drawable for the svg line element
+ */
+class Line extends Styleable implements Drawable
+{
+
+    /**
+     * The default stroke width
+     *
+     * @var int
+     */
+    public $strokeWidth = 1;
+
+    /**
+     * The line's start x coordinate
+     *
+     * @var int
+     */
+    private $xStart = 0;
+
+    /**
+     * The line's end x coordinate
+     *
+     * @var int
+     */
+    private $xEnd = 0;
+
+    /**
+     * The line's start y coordinate
+     *
+     * @var int
+     */
+    private $yStart = 0;
+
+    /**
+     * The line's end y coordinate
+     *
+     * @var int
+     */
+    private $yEnd = 0;
+
+    /**
+     * Create a line object starting at the first coordinate and ending at the second one
+     *
+     * @param int $x1   The line's start x coordinate
+     * @param int $y1   The line's start y coordinate
+     * @param int $x2   The line's end x coordinate
+     * @param int $y2   The line's end y coordinate
+     */
+    public function __construct($x1, $y1, $x2, $y2)
+    {
+        $this->xStart = $x1;
+        $this->xEnd = $x2;
+        $this->yStart = $y1;
+        $this->yEnd = $y2;
+    }
+
+    /**
+     * Create the SVG representation from this Drawable
+     *
+     * @param   RenderContext $ctx The context to use for rendering
+     * @return  DOMElement         The SVG Element
+     */
+    public function toSvg(RenderContext $ctx)
+    {
+        $doc = $ctx->getDocument();
+        list($x1, $y1) = $ctx->toAbsolute($this->xStart, $this->yStart);
+        list($x2, $y2) = $ctx->toAbsolute($this->xEnd, $this->yEnd);
+        $line = $doc->createElement('line');
+        $line->setAttribute('x1', Format::formatSVGNumber($x1));
+        $line->setAttribute('x2', Format::formatSVGNumber($x2));
+        $line->setAttribute('y1', Format::formatSVGNumber($y1));
+        $line->setAttribute('y2', Format::formatSVGNumber($y2));
+
+        $id = $this->id ?? uniqid('line-');
+        $line->setAttribute('id', $id);
+        $this->setId($id);
+
+        $this->applyAttributes($line);
+
+        $style = new DOMDocument();
+        $style->loadHTML($this->getStyle());
+
+        $line->appendChild(
+            $line->ownerDocument->importNode(
+                $style->getElementsByTagName('style')->item(0),
+                true
+            )
+        );
+
+        return $line;
+    }
+}