1 files changed, 58 insertions, 0 deletions
diff --git a/lib/classes/Button.php b/lib/classes/Button.php
new file mode 100644
index 0000000..1c2c437
--- /dev/null
+++ b/lib/classes/Button.php
@@ -0,0 +1,58 @@
+<?php
+/*
+ * Copyright (c) 2011 mlunzena@uos.de, aklassen@uos.de
+ *
+ * This program 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 2 of
+ * the License, or (at your option) any later version.
+ */
+
+
+namespace Studip;
+
+/**
+ * Represents an HTML button element. Class Button inherits from
+ * Interactable and customizes the HTML output.
+ */
+class Button extends Interactable
+{
+
+    /**
+     * Initialize a Button.
+     * The second parameter is used as @name attribute of the
+     * resulting <button> HTML element.
+     *
+     * @param string $label       the label of the button element
+     * @param string $name        the @name element of the button element
+     * @param array  $attributes  the attributes of the button element
+     */
+    protected function initialize($label, $name, $attributes)
+    {
+        $this->attributes['name'] = $name ?: $this->label;
+    }
+
+    /**
+     * @return  string returns a HTML representation of this button.
+     */
+    public function __toString()
+    {
+        // add "button" to attribute @class
+        if (!isset($this->attributes['class'])) {
+            $this->attributes['class'] = '';
+        }
+        $this->attributes['class'] .= ' button';
+
+        $attributes = [];
+        ksort($this->attributes);
+        foreach ($this->attributes as $k => $v) {
+            $attributes[] = sprintf(' %s="%s"', $k, htmlReady($v));
+        }
+
+        return sprintf(
+            '<button type="submit"%s>%s</button>',
+            join('', $attributes),
+            htmlReady($this->label)
+        );
+    }
+}