1 files changed, 80 insertions, 0 deletions
diff --git a/lib/classes/DataFieldDateEntry.php b/lib/classes/DataFieldDateEntry.php
new file mode 100644
index 0000000..bf7d518
--- /dev/null
+++ b/lib/classes/DataFieldDateEntry.php
@@ -0,0 +1,80 @@
+<?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 DataFieldDateEntry extends DataFieldEntry
+{
+    protected $template = 'date.php';
+
+    /**
+     * Sets the value from a post request
+     *
+     * @param mixed $submitted_value The value from request
+     */
+    public function setValueFromSubmit($value)
+    {
+        if ($value) {
+            $value = trim($value);
+            $items = explode(".", $value);
+            $value = array_reverse($items);
+            $value = array_filter($value);
+            $date  = implode('-', $value);
+            parent::setValueFromSubmit($date);
+        }
+    }
+
+    /**
+     * Returns the display/rendered value of this datafield
+     *
+     * @param bool $entities Should html entities be encoded (defaults to true)
+     * @return String containg the rendered value
+     */
+    public function getDisplayValue($entries = true)
+    {
+        if ($this->isValid()) {
+            $value = trim($this->value);
+            $value = explode('-', $value);
+            $value = array_reverse($value);
+            $value = implode('.', $value);
+            return $value;
+        }
+
+        return '';
+    }
+
+    /**
+     * Returns the according input elements as html for this datafield
+     *
+     * @param String $name      Name prefix of the associated input
+     * @param Array  $variables Additional variables
+     * @return String containing the required html
+     */
+    public function getHTML($name = '', $variables = [])
+    {
+        return parent::getHTML($name, $variables + [
+            'timestamp' => strtotime(trim($this->value)),
+        ]);
+    }
+
+    /**
+     * Returns whether the datafield contents are valid
+     *
+     * @return boolean indicating whether the datafield contents are valid
+     */
+    public function isValid()
+    {
+        $value = trim($this->value);
+
+        if (!$value) {
+            return parent::isValid();
+        }
+
+        return parent::isValid() && strtotime($value) !== false;
+    }
+}