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Add option to undo deleted dives

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Add ability to undo deleted dives by storing a list of the
deleted dives in a QUndoCommand.

Signed-off-by: Grace Karanja <gracie.karanja89@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Grace Karanja 2015-02-11 10:57:56 +03:00 • committed by Dirk Hohndel
parent 6d996a7874
commit 60a7404ed4
2 changed files with 30 additions and 3 deletions
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26
qt-ui/undocommands.cpp
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@ -1,16 +1,36 @@
#include "undocommands.h"
#include "mainwindow.h"
#include "divelist.h"
UndoDeleteDive::UndoDeleteDive(QList<dive *> diveList)
{
dives = diveList;
setText("delete dive");
if (dives.count() > 1)
setText(QString("delete %1 dives").arg(QString::number(dives.count())));
}
void UndoDeleteDive::undo()
{
for (int i = 0; i < dives.count(); i++)
record_dive(dives.at(i));
mark_divelist_changed(true);
MainWindow::instance()->refreshDisplay();
}
void UndoDeleteDive::redo()
{
QList<struct dive*> newList;
for (int i = 0; i < dives.count(); i++) {
//make a copy of the dive before deleting it
struct dive* d = alloc_dive();
copy_dive(dives.at(i), d);
newList.append(d);
//delete the dive
delete_single_dive(get_divenr(dives.at(i)));
}
mark_divelist_changed(true);
MainWindow::instance()->refreshDisplay();
dives.clear();
dives = newList;
}