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Add ability to undo shifting of dive time

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Adds the ability to undo shifting of dive times. The change is captured
at simplewidgets.cpp and an undo command is created.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Grace Karanja 2015-02-14 20:12:05 +03:00 • committed by Dirk Hohndel
parent 824cc90a9a
commit 87ee8e8aef
3 changed files with 50 additions and 1 deletions
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12
qt-ui/simplewidgets.cpp
View file

@ -15,6 +15,7 @@
#include "divelistview.h"
#include "display.h"
#include "profile/profilewidget2.h"
#include "undocommands.h"
class MinMaxAvgWidgetPrivate {
public:
@ -201,7 +202,16 @@ void ShiftTimesDialog::buttonClicked(QAbstractButton *button)
amount *= -1;
if (amount != 0) {
// DANGER, DANGER - this could get our dive_table unsorted...
shift_times(amount);
int i;
struct dive *dive;
QList<int> affectedDives;
for_each_dive (i, dive) {
if (!dive->selected)
continue;
affectedDives.append(dive->id);
}
MainWindow::instance()->undoStack->push(new UndoShiftTime(affectedDives, amount));
sort_table(&dive_table);
mark_divelist_changed(true);
MainWindow::instance()->dive_list()->rememberSelection();

28
qt-ui/undocommands.cpp
View file

@ -34,3 +34,31 @@ void UndoDeleteDive::redo()
dives.clear();
dives = newList;
}
UndoShiftTime::UndoShiftTime(QList<int> diveList, int amount)
{
setText("shift time");
dives = diveList;
timeChanged = amount;
}
void UndoShiftTime::undo()
{
for (int i = 0; i < dives.count(); i++) {
struct dive* d = get_dive_by_uniq_id(dives.at(i));
d->when -= timeChanged;
}
mark_divelist_changed(true);
MainWindow::instance()->refreshDisplay();
}
void UndoShiftTime::redo()
{
for (int i = 0; i < dives.count(); i++) {
struct dive* d = get_dive_by_uniq_id(dives.at(i));
d->when += timeChanged;
}
mark_divelist_changed(true);
MainWindow::instance()->refreshDisplay();
}

11
qt-ui/undocommands.h
View file

@ -14,4 +14,15 @@ private:
QList<struct dive*> dives;
};
class UndoShiftTime : public QUndoCommand {
public:
UndoShiftTime(QList<int> diveList, int amount);
virtual void undo();
virtual void redo();
private:
QList<int> dives;
int timeChanged;
};
#endif // UNDOCOMMANDS_H