X-Git-Url: https://git.toastfreeware.priv.at/toast/confclerk.git/blobdiff_plain/68b2df2aae1c3894cb2a720d088b5f41e17a93e1..6bf226b78d949ea4bf6398eef7325672fd5d4ced:/src/mvc/eventmodel.cpp

diff --git a/src/mvc/eventmodel.cpp b/src/mvc/eventmodel.cpp
index 331d034..cfac1ee 100644
--- a/src/mvc/eventmodel.cpp
+++ b/src/mvc/eventmodel.cpp
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2010 Ixonos Plc.
- * Copyright (C) 2011 Philipp Spitzer, gregor herrmann
+ * Copyright (C) 2011-2012 Philipp Spitzer, gregor herrmann
  *
  * This file is part of ConfClerk.
  *
@@ -27,40 +27,76 @@ const QString EventModel::COMMA_SEPARATOR = ", ";
 EventModel::EventModel()
 { }
 
-void EventModel::createTimeGroups()
-{
-    mGroups.clear();
-    mParents.clear();
 
-    if (mEvents.empty())
-    {
-        return;
+void EventModel::Group::setTitle(const QList<Event>& mEvents) {
+    QTime startTime = mEvents.at(mFirstEventIndex).start().time();
+    QTime endTime(0, 0);
+    for (int i = mFirstEventIndex; i != mFirstEventIndex + mChildCount; ++i) {
+        endTime = qMax(mEvents.at(i).start().time().addSecs(mEvents.at(i).duration()), endTime);
     }
+    mTitle = QString("%1 - %2").arg(startTime.toString("HH:mm")).arg(endTime.toString("HH:mm"));
+}
 
-    const int timeSpan = 5400;
-
-    QTime startTime = mEvents.first().start().time();
-    mGroups << EventModel::Group(QString("%1 - %2").arg(startTime.toString("HH:mm"),
-        startTime.addSecs(timeSpan).toString("HH:mm")), 0);
-    QTime nextGroupTime = mEvents.first().start().time().addSecs(timeSpan);
 
-    for (int i=0; i<mEvents.count(); i++)
-    {
-        QTime eventTime = mEvents.at(i).start().time();
+// We want to group the events into "time slots/time groups" that
+// should start at full hours and have the duration of either
+// one hour or (if less than 3 events are in one time slot)
+// multiple of one hour.
+void EventModel::createTimeGroups()
+{
+    mGroups.clear();
+    mParents.clear();
+    if (mEvents.empty()) return;
+
+    const int minTimeSpan = 3600; // one hour // minimum duration of a group
+    const int minChildCount = 3;  // minimum number of events in one group
+
+    // Create the first time group. The events have to be sorted by start time at this point!
+    //    Remarks for the following non-comment line:
+    //    * As it is right now it could be written as
+    //      QDateTime groupStartDateTime = mEvents.first().start();
+    //    * Before r1444 the minutes were set to zero so that the time groups started at
+    //      whole hours.
+
+    // QDateTime groupStartDateTime(mEvents.first().start().date(), QTime(mEvents.first().start().time().hour(), 0));
+    QDateTime groupStartDateTime = mEvents.first().start();
+    QDateTime groupEndDateTime = groupStartDateTime.addSecs(mEvents.first().duration());
+    mGroups << EventModel::Group("", 0);
+    int timeSpan = minTimeSpan;
+
+    for (int i = 0; i != mEvents.count(); ++i) {
+        QDateTime eventStartDateTime = mEvents.at(i).start();
+        QDateTime eventEndDateTime = eventStartDateTime.addSecs(mEvents.at(i).duration());
+
+        if (eventStartDateTime >= groupStartDateTime.addSecs(timeSpan)) {
+            // a new group could be necessary
+            if (mGroups.last().mChildCount < minChildCount) {
+                // too few events in the group => no new group
+                // except a gap in time would occur that is longer than minTimeSpan
+                QDateTime prevEventStartDateTime = mEvents.at(i).start();
+                if (i > 0 && qMax(prevEventStartDateTime.addSecs(mEvents.at(i-1).duration()), groupEndDateTime).secsTo(eventStartDateTime) < minTimeSpan) {
+                    timeSpan += minTimeSpan;
+                    --i;
+                    continue; // repeat with the same event
+                }
+            }
 
-        if (nextGroupTime <= eventTime)
-        {
-            mGroups.last().mChildCount = i - mGroups.last().mFirstEventIndex;
-            mGroups << EventModel::Group(QString("%1 - %2").arg(nextGroupTime.toString("HH:mm"),
-                nextGroupTime.addSecs(timeSpan).toString("HH:mm")), i);
-            nextGroupTime = nextGroupTime.addSecs(timeSpan);
+            // a new group is necessary
+            mGroups.last().setTitle(mEvents);
+            groupStartDateTime = groupStartDateTime.addSecs(timeSpan);
+            groupEndDateTime = groupStartDateTime.addSecs(mEvents.at(i).duration());
+            mGroups << EventModel::Group("", i);
+            timeSpan = minTimeSpan;
         }
 
-        // add parent-child relation
+        // insert event into current group
         mParents[mEvents.at(i).id()] = mGroups.count() - 1;
+        mGroups.last().mChildCount += 1;
+        groupEndDateTime = qMax(eventEndDateTime, groupEndDateTime);
     }
 
-    mGroups.last().mChildCount = mEvents.count() - mGroups.last().mFirstEventIndex;
+    // the last group needs a title as well
+    mGroups.last().setTitle(mEvents);
 
     reset();
 }
@@ -200,7 +236,6 @@ int EventModel::rowCount (const QModelIndex & parent) const
 
 void EventModel::clearModel()
 {
-    // qDebug() << __PRETTY_FUNCTION__ << this << mEvents.count();
     mGroups.clear();
     mEvents.clear();
     mParents.clear();
@@ -214,8 +249,7 @@ void EventModel::loadEvents(const QDate &aDate, int aConferenceId)
     // check for existence of the conference in the DB
     if(Conference::getAll().count())
     {
-        qDebug() << "Loading Conference Data: [" << Conference::getById(aConferenceId).title() << "] " << aDate;
-        mEvents = Event::getByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId, "start");
+        mEvents = Event::getByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId, "start, duration");
     }
     createTimeGroups();
 }
@@ -226,7 +260,6 @@ void EventModel::loadFavEvents(const QDate &aDate, int aConferenceId)
     // check for existence of the conference in the DB
     if(Conference::getAll().count())
     {
-        qDebug() << "Loading FAV Conference Data: [" << Conference::getById(aConferenceId).title() << "] " << aDate;
         mEvents = Event::getFavByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId);
     }
     createTimeGroups();
@@ -238,9 +271,8 @@ int EventModel::loadSearchResultEvents(const QDate &aDate, int aConferenceId)
     // check for existence of the conference in the DB
     if(Conference::getAll().count())
     {
-        qDebug() << "Loading search result Data: [" << Conference::getById(aConferenceId).title() << "] " << aDate;
         try{
-            mEvents = Event::getSearchResultByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId, "start");
+            mEvents = Event::getSearchResultByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId, "start, duration");
         }
         catch( OrmException &e  ){
             qDebug() << "Event::getSearchResultByDate failed: " << e.text();
@@ -261,8 +293,7 @@ void EventModel::loadEventsByTrack(const QDate &aDate, int aConferenceId)
     clearModel();
     if (Conference::getAll().count())
     {
-        qDebug() << "Loading Conference Data (by Track): [" << Conference::getById(aConferenceId).title() << "] " << aDate;
-        mEvents = Event::getByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId, "xid_track, start");
+        mEvents = Event::getByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId, "xid_track, start, duration");
     }
     createTrackGroups();
 }
@@ -272,31 +303,17 @@ void EventModel::loadEventsByRoom(const QDate &aDate, int aConferenceId)
     clearModel();
     if (Conference::getAll().count())
     {
-        qDebug() << "Loading Conference Data (by Room): [" << Conference::getById(aConferenceId).title() << "] " << aDate;
         mEvents = Event::getByDateAndRoom(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId);
     }
     createRoomGroups();
 }
 
-void EventModel::loadNowEvents(int aConferenceId)
-{
-    clearModel();
-    // check for existence of the conference in the DB
-    if(Conference::getAll().count())
-    {
-        qDebug() << "Loading Conference Data: [" << Conference::getById(aConferenceId).title() << "] scheduled NOW";
-        mEvents = Event::nowEvents(aConferenceId, "start");
-    }
-    createTimeGroups();
-}
 
-void EventModel::loadConflictEvents(int aEventId, int aConferenceId)
-{
+void EventModel::loadConflictEvents(int aEventId, int aConferenceId) {
     clearModel();
     // check for existence of the conference in the DB
     if(Conference::getAll().count())
     {
-        qDebug() << "Loading Conference Data: [" << Conference::getById(aConferenceId).title() << "] in conflict with " << aEventId;
         mEvents = Event::conflictEvents(aEventId, aConferenceId);
     }
     createTimeGroups();