private void EndEditing()
{
((TransactedTool <TDerived, TChanges>) this).VerifyAccess <TransactedTool <TDerived, TChanges> >();
if (this.State != TransactedToolState.Editing)
{
throw new InvalidOperationException($"Can only EndEditing when State is Editing (State={this.State}, Tool={base.GetType().Name})");
}
if (!this.editingAgent.TransactionToken.IsEnding)
{
this.editingAgent.TransactionToken.End();
}
else
{
this.OnEndingEditing();
if (!this.Changes.Equals((ReferenceValue)this.changesBeforeEditing))
{
string historyMementoNameForChanges = this.GetHistoryMementoNameForChanges(this.changesBeforeEditing, this.Changes);
ImageResource historyMementoImageForChanges = this.GetHistoryMementoImageForChanges(this.changesBeforeEditing, this.Changes);
TChanges previousChanges = this.changesBeforeEditing.Clone();
TransactedToolEditHistoryMemento <TDerived, TChanges> memento = new TransactedToolEditHistoryMemento <TDerived, TChanges>(base.DocumentWorkspace, historyMementoNameForChanges, historyMementoImageForChanges, previousChanges);
base.HistoryStack.PushNewMemento(memento);
}
this.editingAgent.TransactionToken = null;
this.editingAgent = null;
this.SetState(TransactedToolState.Dirty);
this.changesBeforeEditing = default(TChanges);
}
}
public void BeginEditing(TransactedToolEditingAgent <TChanges> agent)
{
((TransactedTool <TDerived, TChanges>) this).VerifyAccess <TransactedTool <TDerived, TChanges> >();
Validate.IsNotNull <TransactedToolEditingAgent <TChanges> >(agent, "agent");
agent.VerifyIsNotActive();
if (this.State != TransactedToolState.Dirty)
{
throw new InvalidOperationException($"Can only BeginEditing when State is Dirty (State={this.State}, Tool={base.GetType().Name})");
}
TransactedToolEditingTransactionTokenPrivate <TDerived, TChanges> @private = new TransactedToolEditingTransactionTokenPrivate <TDerived, TChanges>((TDerived)this);
agent.TransactionToken = @private;
this.editingAgent = agent;
this.drawingSettingValuesBackup = null;
this.changesBeforeEditing = this.Changes.CloneT <TChanges>();
this.SetState(TransactedToolState.Editing);
}
private void CancelEditing()
{
((TransactedTool <TDerived, TChanges>) this).VerifyAccess <TransactedTool <TDerived, TChanges> >();
if (this.State != TransactedToolState.Editing)
{
throw new InvalidOperationException($"Can only CancelEditing when State is Editing (State={this.State}, Tool={base.GetType().Name})");
}
if (!this.editingAgent.TransactionToken.IsCanceling)
{
this.editingAgent.TransactionToken.Cancel();
}
else
{
this.OnCancelingEditing();
this.editingAgent.TransactionToken = null;
this.editingAgent = null;
this.SetState(TransactedToolState.Dirty);
this.Changes = this.changesBeforeEditing;
this.changesBeforeEditing = default(TChanges);
}
}
protected sealed override void OnDeactivate()
{
this.OnDeactivating();
if (this.toolSettingsEditingAgent.IsActive)
{
this.toolSettingsEditingAgent.TransactionToken.End();
}
this.toolSettingsEditingAgent = null;
if (this.State == TransactedToolState.Drawing)
{
this.EndDrawing();
}
else if (this.State == TransactedToolState.Editing)
{
this.EndEditing();
}
if (this.State == TransactedToolState.Dirty)
{
this.CommitChanges();
}
if (this.State != TransactedToolState.Idle)
{
throw new InvalidOperationException($"Can only Deactivate when CurrentState is Idle (State={this.State}, Tool={base.GetType().Name})");
}
foreach (string str in this.drawingSettingPaths)
{
base.ToolSettings[str].ValueChanged -= new ValueChangedEventHandler <object>(this.OnDrawingSettingValueChanged);
}
this.drawingSettingPaths = null;
this.toolSettingsDebounceTimer.Enabled = false;
DisposableUtil.Free <Timer>(ref this.toolSettingsDebounceTimer);
this.SetState(TransactedToolState.Inactive);
AppSettings.Instance.Workspace.MeasurementUnit.ValueChanged -= new ValueChangedEventHandler <object>(this.OnAppSettingsWorkspaceMeasurementUnitValueChanged);
this.UpdateStatus();
this.OnDeactivated();
base.OnDeactivate();
}
protected sealed override void OnActivate()
{
((TransactedTool <TDerived, TChanges>) this).VerifyAccess <TransactedTool <TDerived, TChanges> >();
if (this.State != TransactedToolState.Inactive)
{
throw new InvalidOperationException($"Can only Activate when State is Inactive (State={this.State}, Tool={base.GetType().Name})");
}
if (this.changes != null)
{
throw new InternalErrorException($"this.changes != null (Tool={base.GetType().Name})");
}
if (this.changesBeforeEditing != null)
{
throw new InternalErrorException($"this.changesBeforeEditing != null (Tool={base.GetType().Name})");
}
this.toolSettingsEditingAgent = new TransactedToolEditingAgent <TChanges>("TransactedTool.toolSettingsEditingAgent");
this.toolSettingsEditingAgent.CancelRequested += new HandledEventHandler(this.OnToolSettingsEditingAgentCancelRequested);
this.toolSettingsEditingAgent.EndRequested += new HandledEventHandler(this.OnToolSettingsEditingAgentEndRequested);
this.toolSettingsDebounceTimer = new Timer();
this.toolSettingsDebounceTimer.Interval = 100;
this.toolSettingsDebounceTimer.Tick += new EventHandler(this.OnToolSettingsDebounceTimerTick);
this.toolSettingsDebounceTimer.Enabled = false;
this.drawingSettingPaths = new HashSet <string>();
foreach (Setting setting in this.OnGetDrawingSettings())
{
if (!this.drawingSettingPaths.Add(setting.Path))
{
throw new InternalErrorException($"The setting was specified twice ({setting.Path}) (Tool={base.GetType().Name})");
}
base.ToolSettings[setting.Path].ValueChanged += new ValueChangedEventHandler <object>(this.OnDrawingSettingValueChanged);
}
this.SetState(TransactedToolState.Idle);
this.OnActivated();
AppSettings.Instance.Workspace.MeasurementUnit.ValueChanged += new ValueChangedEventHandler <object>(this.OnAppSettingsWorkspaceMeasurementUnitValueChanged);
this.UpdateStatus();
base.OnActivate();
}
