From ae10d52ba0ea4e2498b30398c37d477cdd3aa4a5 Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Wed, 3 Feb 2016 21:38:53 +0100
Subject: [PATCH] Add `SelPrevSurfaceCmd`

---
 src/Commands/SelPrevSurfaceCmd.cpp | 23 +++++++++++++++++++++++
 src/Commands/SelPrevSurfaceCmd.h   | 29 +++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 src/Commands/SelPrevSurfaceCmd.cpp
 create mode 100644 src/Commands/SelPrevSurfaceCmd.h

diff --git a/src/Commands/SelPrevSurfaceCmd.cpp b/src/Commands/SelPrevSurfaceCmd.cpp
new file mode 100644
index 0000000..da63b0d
--- /dev/null
+++ b/src/Commands/SelPrevSurfaceCmd.cpp
@@ -0,0 +1,23 @@
+#include "SelPrevSurfaceCmd.h"
+
+namespace ofx {
+namespace piMapper {
+
+SelPrevSurfaceCmd::SelPrevSurfaceCmd(SurfaceManager * surfaceManager){
+	_surfaceManager = surfaceManager;
+}
+
+void SelPrevSurfaceCmd::exec(){
+	_prevSelectedSurface = _surfaceManager->getSelectedSurface();
+	_surfaceManager->selectPrevSurface();
+}
+
+void SelPrevSurfaceCmd::undo(){
+	ofLogNotice("SelPrevSurfaceCmd", "undo");
+	_surfaceManager->selectSurface(_prevSelectedSurface);
+	_prevSelectedSurface = 0;
+}
+
+} // namespace piMapper
+} // namespace ofx
+
diff --git a/src/Commands/SelPrevSurfaceCmd.h b/src/Commands/SelPrevSurfaceCmd.h
new file mode 100644
index 0000000..c9ec97a
--- /dev/null
+++ b/src/Commands/SelPrevSurfaceCmd.h
@@ -0,0 +1,29 @@
+// SelPrevSurfaceCmd
+// Selects previous surface in the projection mapping mode
+// Created by Krisjanis Rijnieks 2016-02-03
+
+#pragma once
+
+#include "BaseCmd.h"
+#include "BaseSurface.h"
+#include "SurfaceManager.h"
+
+namespace ofx {
+namespace piMapper {
+
+class SelPrevSurfaceCmd : public BaseUndoCmd {
+
+	public:
+		SelPrevSurfaceCmd(SurfaceManager * surfaceManager);
+		void exec();
+		void undo();
+
+	private:
+		SurfaceManager * _surfaceManager;
+		BaseSurface * _prevSelectedSurface;
+
+};
+
+} // namespace piMapper
+} // namespace ofx
+