Add a preference to control how many lines are allowed for all day non-blocking events before we start hiding some

calendar/inc/class.calendar_hooks.inc.php

@@ -306,6 +306,16 @@ class calendar_hooks
 				'xmlrpc' => True,
 				'admin'  => False
 			),
+			'limit_all_day_lines' => array(
+				'type'   => 'input',
+				'size'   => 5,
+				'label'  => 'Limit number of lines for all day events',
+				'name'   => 'limit_all_day_lines',
+				'help'   => 'How many lines of all day events should be directly visible. Further lines are available via a mouseover.',
+				'xmlrpc' => True,
+				'default'=> 3,
+				'admin'  => False
+			),
 			'planner_show_empty_rows' => array(
 				'type'   => 'select',
 				'label'  => 'Show empty rows in Planner',

calendar/js/et2_widget_daycol.js

@@ -72,6 +72,7 @@ var et2_calendar_daycol = (function(){ "use strict"; return et2_valueWidget.exte
 			.appendTo(this.header);
 		this.all_day = jQuery(document.createElement('div'))
 			.addClass("calendar_calDayColAllDay")
+			.css('max-height', (egw.preference('limit_all_day_lines', 'calendar') || 3 ) * 1.4 + 'em')
 			.appendTo(this.header);
 		this.event_wrapper = jQuery(document.createElement('div'))
 			.addClass("event_wrapper")