private void LoadState(ProjectState targetState)
{
if (targetState == null)
return;
LoadSerializedContent(targetState.SerializedProject, targetState.ProjectPath, Project.Name);
// Open graph views
foreach (MyNodeGroup nodeGroup in
targetState.GraphPanes.Select(nodeId => Project.GetNodeById(nodeId)).OfType<MyNodeGroup>())
OpenGraphLayout(nodeGroup);
// Select active graph view
if (targetState.SelectedGraphView < dockPanel.DocumentsCount)
(dockPanel.DocumentsToArray()[targetState.SelectedGraphView] as GraphLayoutForm).Activate();
foreach (GraphLayoutForm graph in GraphViews.Values)
graph.SelectNodeView(targetState.SelectedNode);
foreach (ObserverForm observerView in ObserverViews
.Where(observerView => observerView.Observer.Id == targetState.SelectedObserver))
observerView.FocusWindow();
//DebugUndoManager();
}
private void SaveState(string content, string filePath, string action)
{
int selectedNodeId = -1;
string selectedObserverId = null;
var selectedNode = NodePropertyView.Target as MyNode;
if (selectedNode != null)
selectedNodeId = selectedNode.Id;
var selectedObserver = NodePropertyView.Target as MyAbstractObserver;
if (selectedObserver != null)
selectedObserverId = selectedObserver.Id;
var projectState = new ProjectState(content)
{
ProjectPath = filePath,
Action = action,
SelectedNode = selectedNodeId,
SelectedObserver = selectedObserverId
};
projectState.GraphPanes.AddRange(GraphViews.Select(view => view.Value.Target.Id));
var activeGraphView = GraphViews.WithIndex().FirstOrDefault(view => view.Item.Value == dockPanel.ActiveDocument);
if (activeGraphView != null)
projectState.SelectedGraphView = activeGraphView.Index;
UndoManager.SaveState(projectState);
}
public void SaveState(ProjectState state)
{
if (HistorySize == 0)
return;
// Clear the redo stack, an action means we're throwing away the future.
m_redoStates.Clear();
// HistorySize + 1 (1 for the current step).
while (m_undoStates.Count >= HistorySize + 1)
m_undoStates.RemoveFirst();
m_undoStates.AddLast(state);
}
