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GcCalendarModel optimise updates

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.. don't reset if the current month and year are the same as
   the current selection and no rides have been added or deleted.
This commit is contained in:
Mark Liversedge
2013-03-31 00:59:32 +00:00
parent 34bdbab199
commit 25fd7ec68d
1 changed files with 21 additions and 3 deletions
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24
src/GcCalendarModel.h
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@@ -58,6 +58,7 @@ class GcCalendarModel : public QAbstractProxyModel
private:
int month, year; // current month and year, default to this month
bool stale;
QVector<QDate> dates; // dates for each cell from zero onwards
int rows;
@@ -68,6 +69,14 @@ private:
int filenameIndex, durationIndex, dateIndex, textIndex, colorIndex;
public slots:
void rideChange(RideItem *rideItem) {
if (rideItem) {
QDate date = rideItem->dateTime.date();
if (month && year && date.month() == month && date.year() == year) stale = true;
}
}
void refresh() {
if (!sourceModel()) return; // no model yet!
@@ -127,15 +136,24 @@ public:
GcCalendarModel(QWidget *parent, QList<FieldDefinition> *, MainWindow *main) : QAbstractProxyModel(parent), mainWindow(main) {
setParent(parent);
stale = true;
QDate today = QDateTime::currentDateTime().date();
setMonth(today.month(), today.year());
// invalidate model if rides added or deleted
connect(main, SIGNAL(rideAdded(RideItem*)), this, SLOT(rideChange(RideItem*)));
connect(main, SIGNAL(rideDeleted(RideItem*)), this, SLOT(rideChange(RideItem*)));
}
~GcCalendarModel() {}
void setMonth(int month, int year) {
this->month = month;
this->year = year;
refresh();
if (stale || this->month != month || this->year != year) {
this->month = month;
this->year = year;
refresh();
}
}
int getMonth() { return month; }