From 6d10b8d23179109b53a0f2d88a70a8fbed161cb8 Mon Sep 17 00:00:00 2001
From: nathangray <nathangray.bsc+github@gmail.com>
Date: Tue, 31 May 2016 17:18:46 -0600
Subject: [PATCH] Drag and drop to another user's calendar - Add exception
 prompt - Change to -> Move to

---
 calendar/inc/class.calendar_uiforms.inc.php | 41 +++++++++++++++++++++
 calendar/js/et2_widget_timegrid.js          | 40 ++++++++++++++------
 2 files changed, 70 insertions(+), 11 deletions(-)

diff --git a/calendar/inc/class.calendar_uiforms.inc.php b/calendar/inc/class.calendar_uiforms.inc.php
index 1f6ced95ef..3a72fab1f3 100644
--- a/calendar/inc/class.calendar_uiforms.inc.php
+++ b/calendar/inc/class.calendar_uiforms.inc.php
@@ -2910,6 +2910,47 @@ class calendar_uiforms extends calendar_ui
 		list($eventId, $date) = explode(':', $_eventId,2);
 
 		$old_event=$event=$this->bo->read($eventId);
+		$event = $this->bo->read($eventId);
+		if($date)
+		{
+			$d = new Api\DateTime($date, Api\DateTime::$user_timezone);
+		}
+
+		// If we have a recuring event for a particular day, make an exception
+		if ($event['recur_type'] != MCAL_RECUR_NONE && $date)
+		{
+			if (!empty($event['whole_day']))
+			{
+				$d =& $this->bo->so->startOfDay($date);
+				$d->setUser();
+			}
+			$event = $this->bo->read($eventId, $d, true);
+			// For DnD, create an exception if they gave the date
+			$preserv = null;
+			$this->_create_exception($event,$preserv);
+			unset($event['id']);
+
+			$messages = null;
+			$conflicts = $this->bo->update($event,false,true,false,true,$messages);
+			if (!is_array($conflicts) && $conflicts)
+			{
+				// now we need to add the original start as recur-execption to the series
+				$recur_event = $this->bo->read($event['reference']);
+				$recur_event['recur_exception'][] = $d->format('ts');
+				// check if we need to move the alarms, because they are next on that exception
+				$this->bo->check_move_alarms($recur_event, null, $d);
+				unset($recur_event['start']); unset($recur_event['end']);	// no update necessary
+				unset($recur_event['alarm']);	// unsetting alarms too, as they cant be updated without start!
+				$this->bo->update($recur_event,true);	// no conflict check here
+
+				// Sending null will trigger a removal of the original for that date
+				Api\Json\Response::get()->generic('data', array('uid' => 'calendar::'.$_eventId, 'data' => null));
+
+				unset($recur_event);
+				unset($event['edit_single']);			// if we further edit it, it's just a single event
+				unset($preserv['edit_single']);
+			}
+		}
 		foreach($remove as $participant)
 		{
 			unset($event['participants'][$participant]);
diff --git a/calendar/js/et2_widget_timegrid.js b/calendar/js/et2_widget_timegrid.js
index 0887e9ee0a..dab7a3006c 100644
--- a/calendar/js/et2_widget_timegrid.js
+++ b/calendar/js/et2_widget_timegrid.js
@@ -1067,8 +1067,7 @@ var et2_calendar_timegrid = (function(){ "use strict"; return et2_calendar_view.
 					}
 				}
 			}
-			return timegrid.options.owner.toString() !== event.options.value.owner.toString() &&
-				!owner_match;
+			return !owner_match;
 		};
 
 		// This binds into the egw action system.  Most user interactions (drag to move, resize)
@@ -1325,21 +1324,40 @@ var et2_calendar_timegrid = (function(){ "use strict"; return et2_calendar_view.
 
 						// Leave the helper there until the update is done
 						var loading = action.ui.helper.clone(true).appendTo($j('body'));
-						var cal_id = source[i].id.split('::');
-						egw().json('calendar.calendar_uiforms.ajax_invite', [
-								cal_id[1],
-								timegrid.options.owner,
-								action.id === 'change_participant' ? self.options.owner : []
-							],
-							function() { loading.remove();}
-						).sendRequest(true);
+
+						// and add a loading icon so user knows something is happening
+						if($j('.calendar_timeDemo',loading).length == 0)
+						{
+							$j('.calendar_calEventHeader',loading).addClass('loading');
+						}
+						else
+						{
+							$j('.calendar_timeDemo',loading).after('<div class="loading"></div>');
+						}
+						
+						var event_data = egw.dataGetUIDdata(source[i].id).data;
+						et2_calendar_event.recur_prompt(event_data, function(button_id) {
+							if(button_id === 'cancel' || !button_id)
+							{
+								return;
+							}
+							egw().json('calendar.calendar_uiforms.ajax_invite', [
+									button_id==='series' ? event_data.id : event_data.app_id,
+									timegrid.options.owner,
+									action.id === 'change_participant' ? 
+										jQuery.extend([],source[i].iface.getWidget().getParent().options.owner) :
+										[]
+								],
+								function() { loading.remove();}
+							).sendRequest(true);
+						});
 						// Ok, stop.
 						return false;
 					}
 				}
 			};
 
-			drop_change_participant = mgr.addAction('drop', 'change_participant', egw.lang('Change to'), egw.image('participant'), invite_action,true);
+			drop_change_participant = mgr.addAction('drop', 'change_participant', egw.lang('Move to'), egw.image('participant'), invite_action,true);
 			drop_change_participant.acceptedTypes = ['calendar'];
 			drop_change_participant.hideOnDisabled = true;