protected void OnSave()
{
ViewModeType previousViewMode = this.ViewMode;
this.ViewMode = ViewModeType.Busy;
this.StatusMessage = "Saving changes, please wait ...";
Task task = Task.Factory.StartNew
(
() =>
{
Logger.Debug("Save changes '{0}'", this.Entity);
if (this.Entity != null && this.HasChanges)
{
this.OnSaveAction();
}
}
);
task.ContinueWith
(
_ =>
{
Logger.Debug("Save changes successful '{0}'", this.Entity);
this.OnSaveActionComplete();
},
CancellationToken.None,
TaskContinuationOptions.OnlyOnRanToCompletion | TaskContinuationOptions.AttachedToParent,
TaskScheduler.FromCurrentSynchronizationContext()
);
task.ContinueWith
(
(t) =>
{
Logger.Debug("Error at save changes '{0}'", t.Exception.ToString());
this.OnSaveActionFailed(previousViewMode);
Exception exception = null;
if (t.Exception.InnerException != null)
{
exception = t.Exception.InnerException;
}
else
{
exception = t.Exception;
}
this.NotificationMessage = exception.Message;
},
CancellationToken.None,
TaskContinuationOptions.OnlyOnFaulted | TaskContinuationOptions.AttachedToParent,
TaskScheduler.FromCurrentSynchronizationContext()
);
}
/// <summary>
/// View mode changed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButton_viewmode_CheckedChanged(object sender, EventArgs e)
{
if (toolStripButton_viewmode.Checked)
{
_viewMode = ViewModeType.Text;
}
else
{
_viewMode = ViewModeType.HTML;
}
HandleViewMode();
}
private void ChangeViewState(ViewModeType mode)
{
switch (mode)
{
case ViewModeType.Coverflow:
_currentViewState = CoverFlowState;
break;
case ViewModeType.TimeMachine:
_currentViewState = TimeMachineState;
break;
case ViewModeType.RollerCoaster:
_currentViewState = RollerCoasterState;
break;
case ViewModeType.Rolodex:
_currentViewState = RolodexState;
break;
}
}
private static void OnViewModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d != null)
{
ModalDailogWindow window = d as ModalDailogWindow;
if (window.IsActive)
{
ViewModeType oldViewModel = (ViewModeType)e.OldValue;
if (oldViewModel == ViewModeType.Add ||
oldViewModel == ViewModeType.Edit)
{
window.UpdateActiveElementBindings();
}
else
{
//window.MoveFocus(FocusNavigationDirection.Next);
}
}
}
}
private void f_zoomShrink_Click(object sender, EventArgs e)
{
m_viewMode = ViewModeType.Shrink;
m_zoomLevel = GetZoomToShrink();
DisplayThumb();
}
private void f_zoomActual_Click(object sender, EventArgs e)
{
m_viewMode = ViewModeType.Actual;
m_zoomLevel = 1f;
DisplayThumb();
}
protected virtual void OnSaveActionFailed(ViewModeType previousViewMode)
{
this.ViewMode = previousViewMode;
}
