Reverse undo buffer

Reverse all the code using the UndoBuffer class so that we can
use the QUndoStack and QUndoCommand classes. These are Qt's own
inbuild undo framework classes, offering a better undo/redo
process.

Signed-off-by: Grace Karanja <gracie.karanja89@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 0 insertions, 78 deletions

diff --git a/qt-ui/undobuffer.cpp b/qt-ui/undobuffer.cpp
deleted file mode 100644
index 4ee0cf608..000000000
--- a/qt-ui/undobuffer.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-#include "undobuffer.h"
-#include "mainwindow.h"
-
-UndoBuffer::UndoBuffer(QObject *parent) : QObject(parent)
-{
-	curIdx = 0;
-}
-
-UndoBuffer::~UndoBuffer()
-{
-
-}
-
-bool UndoBuffer::canUndo()
-{
-	return curIdx > 0;
-}
-
-bool UndoBuffer::canRedo()
-{
-	return curIdx < list.count();
-}
-
-void UndoBuffer::redo()
-{
-	current()->redo();
-	curIdx++;
-	if (curIdx > list.count())
-		curIdx = list.count() - 1;
-}
-
-void UndoBuffer::undo()
-{
-	current()->undo();
-	curIdx = list.indexOf(current());
-}
-
-void UndoBuffer::recordbefore(QString commandName, dive *affectedDive)
-{
-	UndoCommand *cmd = new UndoCommand(commandName, affectedDive);
-	//If we are within the list, clear the extra UndoCommands.
-	if (list.count() > 0) {
-		if (curIdx + 1 < list.count()) {
-			for (int i = curIdx + 1; i < list.count(); i++) {
-				list.removeAt(i);
-			}
-		}
-	}
-	list.append(cmd);
-	curIdx = list.count();
-}
-
-void UndoBuffer::recordAfter(dive *affectedDive)
-{
-	list.at(curIdx - 1)->setStateAfter(affectedDive);
-}
-
-
-
-UndoCommand::UndoCommand(QString commandName, dive *affectedDive)
-{
-	name = commandName;
-	stateBefore = affectedDive;
-}
-
-void UndoCommand::undo()
-{
-	if (name == "Delete Dive") {
-		record_dive(stateBefore);
-		MainWindow::instance()->recreateDiveList();
-	}
-}
-
-void UndoCommand::redo()
-{
-	//To be implemented
-}
-