/// <summary>
/// Records an undo if any values have changed. This should be called whenever some editing activity has finished.
/// For example, whenever a value changes in a text box or whenever a drag has finished.
/// </summary>
public void RecordUndo()
{
if (mRecordedElementSave != null && SelectedState.Self.SelectedElement != null)
{
StateSave currentStateSave = SelectedState.Self.SelectedStateSave;
ElementSave selectedElement = SelectedState.Self.SelectedElement;
bool doStatesDiffer = FileManager.AreSaveObjectsEqual(mRecordedElementSave.DefaultState, currentStateSave) == false;
bool doStateCategoriesDiffer =
FileManager.AreSaveObjectsEqual(mRecordedElementSave.Categories, selectedElement.Categories) == false;
bool doInstanceListsDiffer = FileManager.AreSaveObjectsEqual(mRecordedElementSave.Instances, selectedElement.Instances) == false;
bool doTypesDiffer = mRecordedElementSave.BaseType != selectedElement.BaseType;
bool doNamesDiffer = mRecordedElementSave.Name != selectedElement.Name;
bool didAnythingChange = doStatesDiffer || doStateCategoriesDiffer || doInstanceListsDiffer || doTypesDiffer || doNamesDiffer;
if (didAnythingChange)
{
if (mUndos.ContainsKey(SelectedState.Self.SelectedElement) == false)
{
mUndos.Add(SelectedState.Self.SelectedElement, new Stack <ElementSave>());
}
if (!doInstanceListsDiffer)
{
mRecordedElementSave.Instances = null;
}
if (!doStatesDiffer)
{
mRecordedElementSave.States = null;
}
if (!doStateCategoriesDiffer)
{
mRecordedElementSave.Categories = null;
}
if (!doNamesDiffer)
{
mRecordedElementSave.Name = null;
}
if (!doTypesDiffer)
{
mRecordedElementSave.BaseType = null;
}
Stack <ElementSave> stack = mUndos[SelectedState.Self.SelectedElement];
stack.Push(mRecordedElementSave);
RecordState();
UndosChanged?.Invoke(this, null);
}
//PrintStatus("RecordUndo");
}
}
public void PerformUndo()
{
Stack <UndoSnapshot> stack = null;
if (SelectedState.Self.SelectedElement != null && mUndos.ContainsKey(SelectedState.Self.SelectedElement))
{
stack = mUndos[SelectedState.Self.SelectedElement];
}
if (stack != null && stack.Count != 0)
{
ElementSave lastSelectedElementSave = SelectedState.Self.SelectedElement;
var undoSnapshot = stack.Pop();
var elementToUndo = undoSnapshot.Element;
ElementSave toApplyTo = SelectedState.Self.SelectedElement;
bool shouldRefreshWireframe = false;
if (elementToUndo.States != null)
{
foreach (var state in elementToUndo.States)
{
var matchingState = toApplyTo.States.Find(item => item.Name == state.Name);
if (matchingState != null)
{
Apply(state, matchingState, toApplyTo);
}
}
}
if (elementToUndo.Categories != null)
{
foreach (var category in elementToUndo.Categories)
{
foreach (var state in category.States)
{
var matchingCategory = toApplyTo.Categories.Find(item => item.Name == category.Name);
var matchingState = matchingCategory?.States.Find(item => item.Name == state.Name);
if (matchingState != null)
{
Apply(state, matchingState, toApplyTo);
}
}
}
}
if (elementToUndo.Instances != null)
{
Apply(elementToUndo.Instances, toApplyTo.Instances, toApplyTo);
shouldRefreshWireframe = true;
}
if (elementToUndo.Name != null)
{
string oldName = toApplyTo.Name;
toApplyTo.Name = elementToUndo.Name;
RenameLogic.HandleRename(toApplyTo, (InstanceSave)null, oldName, NameChangeAction.Rename, askAboutRename: false);
}
if (undoSnapshot.CategoryName != SelectedState.Self.SelectedStateCategorySave?.Name ||
undoSnapshot.StateName != SelectedState.Self.SelectedStateSave?.Name)
{
var listOfStates = lastSelectedElementSave.States;
if (!string.IsNullOrEmpty(undoSnapshot.CategoryName))
{
listOfStates = lastSelectedElementSave.Categories
.FirstOrDefault(item => item.Name == undoSnapshot.CategoryName)?.States;
}
var state = listOfStates?.FirstOrDefault(item => item.Name == undoSnapshot.StateName);
isRecordingUndos = false;
SelectedState.Self.SelectedStateSave = state;
isRecordingUndos = true;
}
//if (undoObject.BaseType != null)
//{
// string oldBaseType = toApplyTo.BaseType;
// toApplyTo.BaseType = undoObject.BaseType;
// toApplyTo.ReactToChangedBaseType(null, oldBaseType);
//}
RecordState();
UndosChanged?.Invoke(this, null);
GumCommands.Self.GuiCommands.RefreshElementTreeView();
SelectedState.Self.UpdateToSelectedStateSave();
// The instances may have changed. We will want
// to refresh the wireframe since the IPSOs in the
// wireframe have tags.
if (shouldRefreshWireframe)
{
WireframeObjectManager.Self.RefreshAll(true);
}
//PrintStatus("PerformUndo");
// If an instance is removed
// through an undo and if that
// instance is the selected instance
// then we want to refresh that.
if (lastSelectedElementSave != null && SelectedState.Self.SelectedElement == null)
{
SelectedState.Self.SelectedElement = lastSelectedElementSave;
}
GumCommands.Self.FileCommands.TryAutoSaveProject();
GumCommands.Self.FileCommands.TryAutoSaveCurrentElement();
ElementTreeViewManager.Self.VerifyComponentsAreInTreeView(ProjectManager.Self.GumProjectSave);
}
}
/// <summary>
/// Records an undo if any values have changed. This should be called whenever some editing activity has finished.
/// For example, whenever a value changes in a text box or whenever a drag has finished.
/// </summary>
public void RecordUndo()
{
if (recordedSnapshot != null && SelectedState.Self.SelectedElement != null && isRecordingUndos &&
SelectedState.Self.SelectedStateSave != null)
{
StateSave currentStateSave = SelectedState.Self.SelectedStateSave;
var currentCategory = SelectedState.Self.SelectedStateCategorySave;
ElementSave selectedElement = SelectedState.Self.SelectedElement;
StateSave stateToCompareAgainst = null;
if (currentCategory != null)
{
var category = recordedSnapshot.Element.Categories.Find(item => item.Name == currentCategory.Name);
stateToCompareAgainst = category?.States.Find(item => item.Name == currentStateSave.Name);
}
else
{
var stateName = currentStateSave.Name;
stateToCompareAgainst = recordedSnapshot.Element.States.Find(item => item.Name == stateName);
}
bool doStatesDiffer = FileManager.AreSaveObjectsEqual(stateToCompareAgainst, currentStateSave) == false;
bool doStateCategoriesDiffer =
FileManager.AreSaveObjectsEqual(recordedSnapshot.Element.Categories, selectedElement.Categories) == false;
bool doInstanceListsDiffer = FileManager.AreSaveObjectsEqual(recordedSnapshot.Element.Instances, selectedElement.Instances) == false;
bool doTypesDiffer = recordedSnapshot.Element.BaseType != selectedElement.BaseType;
bool doNamesDiffer = recordedSnapshot.Element.Name != selectedElement.Name;
bool doesSelectedStateDiffer = recordedSnapshot.CategoryName != currentCategory?.Name ||
recordedSnapshot.StateName != currentStateSave?.Name;
// todo : need to add behavior differences
bool didAnythingChange = doStatesDiffer || doStateCategoriesDiffer || doInstanceListsDiffer || doTypesDiffer || doNamesDiffer || doesSelectedStateDiffer;
if (didAnythingChange)
{
if (mUndos.ContainsKey(SelectedState.Self.SelectedElement) == false)
{
mUndos.Add(SelectedState.Self.SelectedElement, new Stack <UndoSnapshot>());
}
if (!doInstanceListsDiffer)
{
recordedSnapshot.Element.Instances = null;
}
if (!doStatesDiffer)
{
recordedSnapshot.Element.States = null;
}
if (!doStateCategoriesDiffer)
{
recordedSnapshot.Element.Categories = null;
}
if (!doNamesDiffer)
{
recordedSnapshot.Element.Name = null;
}
if (!doTypesDiffer)
{
recordedSnapshot.Element.BaseType = null;
}
Stack <UndoSnapshot> stack = mUndos[SelectedState.Self.SelectedElement];
stack.Push(recordedSnapshot);
RecordState();
UndosChanged?.Invoke(this, null);
}
//PrintStatus("RecordUndo");
}
}
public void PerformUndo()
{
Stack <ElementSave> stack = null;
if (SelectedState.Self.SelectedElement != null && mUndos.ContainsKey(SelectedState.Self.SelectedElement))
{
stack = mUndos[SelectedState.Self.SelectedElement];
}
if (stack != null && stack.Count != 0)
{
ElementSave lastSelectedElementSave = SelectedState.Self.SelectedElement;
ElementSave undoObject = stack.Pop();
ElementSave toApplyTo = SelectedState.Self.SelectedElement;
bool shouldRefreshWireframe = false;
if (undoObject.DefaultState != null)
{
Apply(undoObject.DefaultState, toApplyTo.DefaultState, toApplyTo);
}
if (undoObject.Instances != null)
{
Apply(undoObject.Instances, toApplyTo.Instances, toApplyTo);
shouldRefreshWireframe = true;
}
if (undoObject.Name != null)
{
string oldName = toApplyTo.Name;
toApplyTo.Name = undoObject.Name;
RenameManager.Self.HandleRename(toApplyTo, (InstanceSave)null, oldName, NameChangeAction.Rename, askAboutRename: false);
}
//if (undoObject.BaseType != null)
//{
// string oldBaseType = toApplyTo.BaseType;
// toApplyTo.BaseType = undoObject.BaseType;
// toApplyTo.ReactToChangedBaseType(null, oldBaseType);
//}
RecordState();
UndosChanged?.Invoke(this, null);
GumCommands.Self.GuiCommands.RefreshElementTreeView();
SelectedState.Self.UpdateToSelectedStateSave();
// The instances may have changed. We will want
// to refresh the wireframe since the IPSOs in the
// wireframe have tags.
if (shouldRefreshWireframe)
{
WireframeObjectManager.Self.RefreshAll(true);
}
//PrintStatus("PerformUndo");
// If an instance is removed
// through an undo and if that
// instance is the selected instance
// then we want to refresh that.
if (lastSelectedElementSave != null && SelectedState.Self.SelectedElement == null)
{
SelectedState.Self.SelectedElement = lastSelectedElementSave;
}
GumCommands.Self.FileCommands.TryAutoSaveProject();
GumCommands.Self.FileCommands.TryAutoSaveCurrentElement();
ElementTreeViewManager.Self.VerifyComponentsAreInTreeView(ProjectManager.Self.GumProjectSave);
}
}
