some fixes for recuring events:

- they show up in the planner now
- you are able to delete single occurantses of recuring events
applied patch #774 from mishas: dayview sometimes not showing 1. event

calendar/inc/class.bocalendar.inc.php

@@ -461,13 +461,15 @@
 				print_debug('count event exceptions',count($event['recur_exception']));
 				$this->so->add_entry($event);
 				$cd = 16;
+				
+				$this->so->cal->event = $temp_event;
+				unset($temp_event);
 			}
 			else
 			{
 				$cd = 60;
 			}
-			$this->so->cal->event = $temp_event;
+//			}
-			unset($temp_event);
 			return $cd;
 		}
 
@@ -879,6 +881,45 @@
 			return mktime($time['hour'],$time['min'],$time['sec'],$time['month'],$time['mday'],$time['year']);
 		}
 
+		/*!
+		@function time2array
+		@abstract returns a date-array suitable for the start- or endtime of an event from a timestamp
+		@syntax time2array($time,$alarm=0)
+		@param $time the timestamp for the values of the array
+		@param $alarm (optional) alarm field of the array, defaults to 0
+		@author ralfbecker
+		*/
+		function time2array($time,$alarm = 0)
+		{
+			return array(
+				'year'  => intval(date('Y',$time)),
+				'month' => intval(date('m',$time)),
+				'mday'  => intval(date('d',$time)),
+				'hour'  => intval(date('H',$time)),
+				'min'   => intval(date('i',$time)),
+				'sec'   => intval(date('s',$time)),
+				'alarm' => intval($alarm)
+			);
+		}
+
+		/*!
+		@function set_recur_date
+		@abstract set the start- and enddates of a recuring event for a recur-date
+		@syntax set_recur_date(&$event,$date)
+		@param $event the event which fields to set (has to be the original event for start-/end-times)
+		@param $date  the recuring date in form 'Ymd', eg. 20030226
+		@author ralfbecker
+		*/
+		function set_recur_date(&$event,$date)
+		{
+			$org_start = $this->maketime($event['start']);
+			$org_end   = $this->maketime($event['end']);
+			$start = mktime($event['start']['hour'],$event['start']['min'],0,substr($date,4,2),substr($date,6,2),substr($date,0,4));
+			$end   = $org_end + $start - $org_start;
+			$event['start'] = $this->time2array($start);
+			$event['end']   = $this->time2array($end);
+		}
+
 		function fix_update_time(&$time_param)
 		{
 			if ($this->prefs['common']['timeformat'] == '12')
@@ -2201,80 +2242,29 @@
 		function remove_doubles_in_cache($firstday,$lastday)
 		{
 			$already_moved = Array();
-			$has_category  = Array(); // remove only multiple occurences of a category per event/day
 			for($v=$firstday;$v<=$lastday;$v++)
 			{
 				if (!$this->cached_events[$v])
 				{
 					continue;
 				}
-				while (list($g,$event) = each($this->cached_events[$v]))
+				$cached = $this->cached_events[$v];
+				$this->cached_events[$v] = array();
+				while (list($g,$event) = each($cached))
 				{
-					$start = sprintf('%04d%02d%02d',$event['start']['year'],$event['start']['month'],$event['start']['mday']);
+					$end = date('Ymd',$this->maketime($event['end']));
 					print_debug('EVENT',_debug_array($event,False));
 					print_debug('start',$start);
 					print_debug('v',$v);
 
-					if($start < $firstday)
+					if (!isset($already_moved[$event['id']]) || $event['recur_type'] && $v > $end)
 					{
-						$start = $firstday; // event continues into current month/year
+						$this->cached_events[$v][] = $event;
-					}
-
-//					if ($start != $v && $event['recur_type'] == MCAL_RECUR_NONE)							// this is an enddate-entry --> remove it
-					if ($start != $v)							// this is an enddate-entry --> remove it
-					{
-						unset($this->cached_events[$v][$g]);
-						if($g != count($this->cached_events[$v]))
-						{
-							if ($has_category[$event['id']]['category'] != True)
-							{
-								continue; // we need at least one evidence for this category
-							}
-							for($h=$g + 1;$h<$c_daily;$h++)
-							{
-								$this->cached_events[$v][$h - 1] = $this->cached_events[$v][$h];
-							}
-							unset($this->cached_events[$v][$h]);
-							$has_category[$event['id']]['category'] = True;
-						}
-
-//						if ($start < $firstday && $event['recur_type'] == MCAL_RECUR_NONE)				// start before period --> move it to the beginning
-						if ($start < $firstday)				// start before period --> move it to the beginning
-						{
-							if($already_moved[$event['id']] > 0)
-							{
-								continue;
-							}
-							$add_event = True;
-							$c_events = count($this->cached_events[$firstday]);
-							for($i=0;$i<$c_events;$i++)
-							{
-								$add_event = ($this->cached_events[$firstday][$i]['id'] == $event['id']?False:$add_event);
-							}
-							if($add_event)
-							{
-								$this->cached_events[$firstday][] = $event;
 						$already_moved[$event['id']] = 1;
 						print_debug('Event moved');
 					}
-							else
-							{
-								$already_moved[$event['id']] = 2;
-								print_debug('Event removed (not moved)');
 				}
 			}
-						else
-						{
-							print_debug('Event removed');
-						}
-					}
-					else
-					{
-						print_debug('Event OK');
-					}
-				}
-				flush();
-			}
 		}
 
 		function _debug_array($data)

calendar/inc/class.uicalendar.inc.php

@@ -1028,6 +1028,7 @@
 						'action_text_button'	=> lang('Delete Single'),
 						'action_confirm_button'	=> "onClick=\"return confirm('".lang("Are you sure\\nyou want to\\ndelete this single occurence ?\\n\\nThis will delete\\nthis entry for all users.")."')\"",
 						'action_extra_field'	=> '<input type="hidden" name="delete_type" value="single">'
+							. '<input type="hidden" name="date" value="'.sprintf('%04d%02d%02d',$this->bo->year,$this->bo->month,$this->bo->day).'">'
 					);
 					$p->set_var($var);
 					$p->parse('phpgw_body','form_button',True);
@@ -1093,10 +1094,11 @@
 
 		function edit($params='')
 		{
-			if(!$this->bo->check_perms(PHPGW_ACL_EDIT))
+// 		No event loaded, so what to check?
-			{
+//			if(!$this->bo->check_perms(PHPGW_ACL_EDIT))
-			   $this->no_edit();
+//			{
-			}
+//			   $this->no_edit();
+//			}
 
 			if($this->debug)
 			{
@@ -1140,18 +1142,14 @@
 				if(@isset($GLOBALS['HTTP_POST_VARS']['edit_type']) && $GLOBALS['HTTP_POST_VARS']['edit_type'] == 'single')
 				{
 					$event['id'] = 0;
-					$event['start']['month'] = $this->bo->month;
+					$this->bo->set_recur_date($event,$GLOBALS['HTTP_POST_VARS']['date']);
-					$event['start']['mday'] = $this->bo->day;
-					$event['start']['year'] = $this->bo->year;
-					$event['end']['month'] = $this->bo->month;
-					$event['end']['mday'] = $this->bo->day;
-					$event['end']['year'] = $this->bo->year;
 					$event['recur_type'] = MCAL_RECUR_NONE;
 					$event['recur_interval'] = 0;
 					$event['recur_data'] = 0;
 					$event['recur_enddate']['month'] = 0;
 					$event['recur_enddate']['mday'] = 0;
 					$event['recur_enddate']['year'] = 0;
+					$event['recur_execption'] = array();
 				}
 				$this->edit_form(
 					Array(
@@ -1427,12 +1425,13 @@
 				$delete_type = get_var('delete_type',Array('POST'));
 				if($deleted_type && $delete_type == 'single')
 				{
+					$date = $GLOBALS['HTTP_POST_VARS']['date'];
 					$cd = $this->bo->delete_single(
 						Array(
 							'id'	=> intval($cal_id),
-							'year'	=> $this->bo->year,
+							'year'	=> substr($date,0,4),
-							'month'	=> $this->bo->month,
+							'month'	=> substr($date,4,2),
-							'day'	=> $this->bo->day
+							'day'	=> substr($date,6,2)
 						)
 					);
 				}
@@ -1838,7 +1837,8 @@
 			$view = $this->planner_html->link('/index.php',
 				array(
 					'menuaction' => 'calendar.uicalendar.view',
-					'cal_id' => $event['id']
+					'cal_id' => $event['id'],
+					'date' => date('Ymd',$this->bo->maketime($event['start']))
 				)
 			);
 
@@ -1869,13 +1869,14 @@
 				$akt_cell = &$rows[$ka];
 			} while ($akt_cell > $start_cell);
 
+			$id = $event['id'].'-'.date('Ymd',$this->bo->maketime($event['start']));
 			if ($akt_cell < $start_cell)
 			{
-				$row[$event['id'].'_1'] = '&nbsp;';
+				$row[$id.'_1'] = '&nbsp;';
-				$row['.'.$event['id'].'_1'] = 'colspan="'.($start_cell-$akt_cell).'"';
+				$row['.'.$id.'_1'] = 'colspan="'.($start_cell-$akt_cell).'"';
 			}
-			$opt = &$row['.'.$event['id'].'_2'];
+			$opt = &$row['.'.$id.'_2'];
-			$cel = &$row[$event['id'].'_2'];
+			$cel = &$row[$id.'_2'];
 
 			// if possible, display information about event within cells representing it
 			//
@@ -1955,6 +1956,10 @@
 			{
 				$cel .= $this->planner_html->image('calendar','mini-calendar-bar.gif','','border="0"');
 			}
+			if ($event['recur_type'])
+			{
+				$cel .= $this->planner_html->image('calendar','recur.gif','','border="0"');
+			}
 			$cel .= $this->planner_html->image('calendar',count($event['participants'])>1?'multi_3.gif':'single.gif',$this->planner_participants($event['participants']),'border="0"');
 			$cel .= '</a>';
 
@@ -2006,7 +2011,6 @@
 			if ($event_end <= $this->planner_lastday)
 			{
 				$days_between = $GLOBALS['phpgw']->datetime->days_between($this->bo->month,1,$this->bo->year,$event['end']['month'],$event['end']['mday'],$event['end']['year']);
-
 				$end_cell = $intervals_per_day * $days_between + $interval[$event['end']['hour']];
 				if ($end_cell == $start_cell && $end_cell < $last_cell)
 				{
@@ -2017,7 +2021,6 @@
 			{
 				$end_cell = $last_cell;
 			}
-
 			// get the categories associated with event
 			//
 			if ($c = $event['category'])
@@ -2156,8 +2159,12 @@
 
 				// process all events on day $v
 				//
-				while (list($nul,$event) = @each($daily))
+				while (list(,$event) = @each($daily))
 				{
+					if ($event['recur_type'])	// calculate start- + end-datetime for recuring events
+					{
+						$this->bo->set_recur_date($event,$v);
+					}
 					$this->planner_process_event($event);
 				}
 			}
@@ -3719,7 +3726,7 @@
 					if((($ind <> 99) && ($ind <> 0)) && (($starttime <> 0) && ($endtime <> 0)))
 					{
 						print_debug('IND before',$ind);
-						if($ind <= date('H',$last_endtime-1))	// -1 to allow events to end on a full hour, without blocking the next hour-slot
+						if($ind <= date('H',$last_endtime-1) && $last_ind)	// -1 to allow events to end on a full hour, without blocking the next hour-slot
 						{
 							$ind = $last_ind;
 							$interval_start = $last_interval_start;