void OnDestroy()
{
// we are closing the shadergraph window
MaterialGraphEditWindow newWindow = null;
if (!PromptSaveIfDirtyOnQuit())
{
// user does not want to close the window.
// we can't stop the close from this code path though..
// all we can do is open a new window and transfer our data to the new one to avoid losing it
// newWin = Instantiate<MaterialGraphEditWindow>(this);
newWindow = EditorWindow.CreateWindow <MaterialGraphEditWindow>(typeof(MaterialGraphEditWindow), typeof(SceneView));
newWindow.Initialize(this);
}
else
{
// the window is closing for good.. cleanup undo history for the graph object
Undo.ClearUndo(graphObject);
}
graphObject = null;
graphEditorView = null;
// show new window if we have one
if (newWindow != null)
{
newWindow.Show();
newWindow.Focus();
}
}
public void Initialize(MaterialGraphEditWindow other)
{
// create a new window that copies the entire editor state of an existing window
// this function is used to "reopen" an editor window that is closing, but where the user has canceled the close
// for example, if the graph of a closing window was dirty, but could not be saved
try
{
EditorApplication.wantsToQuit -= PromptSaveIfDirtyOnQuit;
selectedGuid = other.selectedGuid;
graphObject = CreateInstance <GraphObject>();
graphObject.hideFlags = HideFlags.HideAndDontSave;
graphObject.graph = other.graphObject.graph;
graphObject.graph.messageManager = this.messageManager;
UpdateTitle();
Repaint();
EditorApplication.wantsToQuit += PromptSaveIfDirtyOnQuit;
}
catch (Exception e)
{
Debug.LogException(e);
m_HasError = true;
m_GraphEditorView = null;
graphObject = null;
throw;
}
}
