1 files changed, 123 insertions, 0 deletions
diff --git a/qt-ui/undocommands.cpp b/qt-ui/undocommands.cpp
new file mode 100644
index 000000000..aad264e24
--- /dev/null
+++ b/qt-ui/undocommands.cpp
@@ -0,0 +1,123 @@
+#include "undocommands.h"
+#include "mainwindow.h"
+#include "divelist.h"
+
+UndoDeleteDive::UndoDeleteDive(QList<dive *> deletedDives)
+	: diveList(deletedDives)
+{
+	setText("delete dive");
+	if (diveList.count() > 1)
+		setText(QString("delete %1 dives").arg(QString::number(diveList.count())));
+}
+
+void UndoDeleteDive::undo()
+{
+	for (int i = 0; i < diveList.count(); i++)
+		record_dive(diveList.at(i));
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+}
+
+void UndoDeleteDive::redo()
+{
+	QList<struct dive*> newList;
+	for (int i = 0; i < diveList.count(); i++) {
+		//make a copy of the dive before deleting it
+		struct dive* d = alloc_dive();
+		copy_dive(diveList.at(i), d);
+		newList.append(d);
+		//delete the dive
+		delete_single_dive(get_divenr(diveList.at(i)));
+	}
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+	diveList.clear();
+	diveList = newList;
+}
+
+
+UndoShiftTime::UndoShiftTime(QList<int> changedDives, int amount)
+	: diveList(changedDives), timeChanged(amount)
+{
+	setText("shift time");
+}
+
+void UndoShiftTime::undo()
+{
+	for (int i = 0; i < diveList.count(); i++) {
+		struct dive* d = get_dive_by_uniq_id(diveList.at(i));
+		d->when -= timeChanged;
+	}
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+}
+
+void UndoShiftTime::redo()
+{
+	for (int i = 0; i < diveList.count(); i++) {
+		struct dive* d = get_dive_by_uniq_id(diveList.at(i));
+		d->when += timeChanged;
+	}
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+}
+
+
+UndoRenumberDives::UndoRenumberDives(QMap<int, int> originalNumbers, int startNumber)
+{
+	oldNumbers = originalNumbers;
+	start = startNumber;
+	setText("renumber dive");
+	if (oldNumbers.count() > 1)
+		setText(QString("renumber %1 dives").arg(QString::number(oldNumbers.count())));
+}
+
+void UndoRenumberDives::undo()
+{
+	foreach (int key, oldNumbers.keys()) {
+		struct dive* d = get_dive_by_uniq_id(key);
+		d->number = oldNumbers.value(key);
+	}
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+}
+
+void UndoRenumberDives::redo()
+{
+	int i = start;
+	foreach (int key, oldNumbers.keys()) {
+		struct dive* d = get_dive_by_uniq_id(key);
+		d->number = i++;
+	}
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+}
+
+
+UndoRemoveDivesFromTrip::UndoRemoveDivesFromTrip(QMap<dive *, dive_trip *> removedDives)
+{
+	divesToUndo = removedDives;
+	setText("remove dive(s) from trip");
+}
+
+void UndoRemoveDivesFromTrip::undo()
+{
+	QMapIterator<dive*, dive_trip*> i(divesToUndo);
+	while (i.hasNext()) {
+		i.next();
+		add_dive_to_trip(i.key (), i.value());
+	}
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+}
+
+void UndoRemoveDivesFromTrip::redo()
+{
+	QMapIterator<dive*, dive_trip*> i(divesToUndo);
+	while (i.hasNext()) {
+		i.next();
+		remove_dive_from_trip(i.key(), false);
+	}
+	mark_divelist_changed(true);
+	MainWindow::instance()->refreshDisplay();
+}