Changes in src/Actions/WorldAction/ChangeBoxAction.cpp [ce7fdc:7b4a29]

File:

• src/Actions/WorldAction/ChangeBoxAction.cpp (modified) (3 diffs)

src/Actions/WorldAction/ChangeBoxAction.cpp

@@ -18 +18 @@
 #endif
 
+// include headers that implement a archive in simple text format
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/archive/text_iarchive.hpp>
+#include "boost/serialization/vector.hpp"
+
 #include "CodePatterns/MemDebug.hpp"
 
 #include "CodePatterns/Log.hpp"
 #include "CodePatterns/Verbose.hpp"
+#include "LinearAlgebra/MatrixContent.hpp"
+#include "LinearAlgebra/RealSpaceMatrix.hpp"
 #include "World.hpp"
 #include "Box.hpp"
-#include "LinearAlgebra/RealSpaceMatrix.hpp"
 
 #include <iostream>
@@ -41 +47 @@
   getParametersfromValueStorage();
 
+  // create undo state
+  std::stringstream undostream;
+  boost::archive::text_oarchive oa(undostream);
+  const RealSpaceMatrix &matrix = World::getInstance().getDomain().getM();
+  oa << matrix;
+
   World::getInstance().setDomain(params.cell_size.getM()); // this is needed as only this function is OBSERVEd.
 
@@ -46 +58 @@
   LOG(0, "Box domain is now " << World::getInstance().getDomain().getM());
 
-  return Action::success;
+  // create undo state
+  WorldChangeBoxState *UndoState =
+      new WorldChangeBoxState(
+          undostream.str(),
+          params
+          );
+
+  return Action::state_ptr(UndoState);
 }
 
 Action::state_ptr WorldChangeBoxAction::performUndo(Action::state_ptr _state) {
-//  ParserLoadXyzState *state = assert_cast<ParserLoadXyzState*>(_state.get());
+  WorldChangeBoxState *state = assert_cast<WorldChangeBoxState*>(_state.get());
 
-  return Action::failure;
-//  string newName = state->mol->getName();
-//  state->mol->setName(state->lastName);
-//
-//  return Action::state_ptr(new ParserLoadXyzState(state->mol,newName));
+  // restore domain
+  RealSpaceMatrix matrix;
+  std::stringstream undostream(state->undostring);
+  boost::archive::text_iarchive ia(undostream);
+  ia >> matrix;
+  World::getInstance().setDomain(matrix);
+
+  // give final box size
+  LOG(0, "Box domain restored to " << World::getInstance().getDomain().getM());
+
+  return Action::state_ptr(_state);
 }
 
 Action::state_ptr WorldChangeBoxAction::performRedo(Action::state_ptr _state){
-  return Action::failure;
+  World::getInstance().setDomain(params.cell_size.getM()); // this is needed as only this function is OBSERVEd.
+
+  // give final box size
+  LOG(0, "Box domain is again " << World::getInstance().getDomain().getM());
+
+  return Action::state_ptr(_state);
 }
 
 bool WorldChangeBoxAction::canUndo() {
-  return false;
+  return true;
 }
 
 bool WorldChangeBoxAction::shouldUndo() {
-  return false;
+  return true;
 }
 /** =========== end of function ====================== */