/// <summary>
/// Restore state from selection history.
/// </summary>
/// <remarks>
/// <para>Base functionality should be invoked when method is overridden.</para>
/// </remarks>
/// <example>
/// <para>The following source code demonstrates how to restore additional data:</para>
/// <code language="csharp"><![CDATA[
/// public override void RestoreSelectionHistoryState(SelectionHistory.State state)
/// {
/// base.RestoreSelectionHistoryState(state);
///
/// CustomHistoryState customState = (CustomHistoryState)state;
/// this.ShowCustomToolbar = customState.ShowCustomToolbar;
/// }
/// ]]></code>
/// </example>
/// <param name="state">Selection history state.</param>
/// <seealso cref="CreateHistoryState"/>
/// <seealso cref="UpdateHistoryState"/>
public virtual void RestoreHistoryState(HistoryManager.State state)
{
var historyState = state as HistoryState;
if (historyState == null)
{
return;
}
this.viewScrollPosition = historyState.ScrollPosition;
this.scrollingExtendedProperties = historyState.ExtendedPropertiesScrollPosition;
}
private void OnSelectedObjectChanged()
{
// Finish up with previous brush editor.
this.UnloadDesignerView();
if (this.SelectedObject is Brush)
{
this.LoadBrushDesignerView();
if (!this.IsLocked)
{
// Make sure that brush is shown in brush list.
this.BrushListModel.SelectedBrush = this.SelectedObject as Brush;
ToolUtility.RevealBrush(this.BrushListModel.SelectedBrush, false);
}
}
else if (this.SelectedObject is Tileset)
{
this.LoadTilesetDesignerView();
if (!this.IsLocked)
{
// Make sure that tileset is shown in brush list.
this.BrushListModel.View = BrushListView.Tileset;
this.BrushListModel.SelectedTileset = this.SelectedObject as Tileset;
}
}
if (!this.History.IsNavigating)
{
if (this.designerView != null && this.SelectedObject != null && this.SelectedObject.Exists)
{
this.currentState = this.designerView.CreateHistoryState();
this.History.AddToRecent(this.SelectedObject);
}
}
// Clear active input control.
this._clearFocusControl = true;
this.Repaint();
}
void IHistoryManagerContext.OnNavigateBack(HistoryManager.State state)
{
this.OnNavigate(state);
}
/// <summary>
/// Invoked when history manager navigates back or forward.
/// </summary>
/// <param name="state">New current state.</param>
private void OnNavigate(HistoryManager.State state)
{
this.currentState = state;
this.SelectedObject = state.Object as IDesignableObject;
this.designerView.RestoreHistoryState(state);
}
void IHistoryManagerContext.OnNavigateForward(HistoryManager.State state)
{
this.OnNavigate(state);
}
