Use preference to set size of description lines

calendar/inc/class.calendar_hooks.inc.php

@@ -386,6 +386,15 @@ class calendar_hooks
 				'admin'  => False,
 				'forced' => 'user',
 			),
+			'limit_des_lines' => array(
+				'type'   => 'input',
+				'size'   => 5,
+				'label'  => 'Limit number of description lines in list view (default 5, 0 for no limit)',
+				'name'   => 'limit_des_lines',
+				'help'   => 'How many describtion lines should be directly visible. Further lines are available via a scrollbar.',
+				'xmlrpc' => True,
+				'admin'  => False
+			),
 			'default_private' => array(
 				'type'  => 'check',
 				'label' => 'Set new events to private',

calendar/inc/class.calendar_uilist.inc.php

@@ -176,6 +176,13 @@ class calendar_uilist extends calendar_ui
 			if($key == 'G') continue;
 			$sel_options['action'][lang('Change your participant status')]['status-'.$key] = $value;
 		}
+		// add scrollbar to long describtion, if user choose so in his prefs
+		if ($this->prefs['limit_des_lines'] > 0 || (string)$this->prefs['limit_des_lines'] == '')
+		{
+			$content['css'] .= '<style type="text/css">@media screen { .listDescription {  max-height: '.
+				(($this->prefs['limit_des_lines'] ? $this->prefs['limit_des_lines'] : 5) * 1.35).       // dono why em is not real lines
+				'em; overflow: auto; }}</style>';
+		}
 		unset($sel_options['action'][lang('Change your participant status')]['G']);
 		$GLOBALS['egw_info']['flags']['java_script'] .= $this->get_javascript();