1 files changed, 54 insertions, 0 deletions
diff --git a/lib/classes/DataFieldLinkEntry.php b/lib/classes/DataFieldLinkEntry.php
new file mode 100644
index 0000000..702907f
--- /dev/null
+++ b/lib/classes/DataFieldLinkEntry.php
@@ -0,0 +1,54 @@
+<?php
+# Lifter002: DONE
+# Lifter007: TEST
+
+/**
+ * @author  Jan-Hendrik Willms <tleilax+studip@gmail.com>
+ * @author  Marcus Lunzenauer <mlunzena@uos.de>
+ * @author  Martin Gieseking  <mgieseki@uos.de>
+ * @license GPL2 or any later version
+ */
+class DataFieldLinkEntry extends DataFieldEntry
+{
+    protected $template = 'link.php';
+
+    /**
+     * Returns the display/rendered value of this datafield
+     *
+     * @param bool $entities Should html entities be encoded (defaults to true)
+     * @return String containg the rendered value
+     */
+    public function getDisplayValue($entities = true)
+    {
+        if ($entities) {
+            return formatLinks($this->getValue());
+        }
+        return $this->getValue();
+    }
+
+    /**
+     * Sets the value from a post request
+     *
+     * @param mixed $submitted_value The value from request
+     */
+    public function setValueFromSubmit($submitted_value)
+    {
+        if ($submitted_value === 'http://') {
+            $submitted_value = '';
+        }
+        $this->setValue($submitted_value);
+    }
+
+    /**
+     * Returns whether the datafield contents are valid
+     *
+     * @return boolean indicating whether the datafield contents are valid
+     */
+    public function isValid()
+    {
+        return parent::isValid()
+            && (!$this->getValue()
+                || (filter_var($this->getValue(), FILTER_VALIDATE_URL)
+                    && preg_match('%^(https?|ftp)://%', $this->getValue())));
+    }
+}