/// <summary>
/// Handles the Loaded event of this control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private void This_Loaded(object sender, RoutedEventArgs e)
{
if (!System.ComponentModel.DesignerProperties.GetIsInDesignMode(this))
{
this.NodeViewer = LayoutHelper.FindLogicalParent <UcNodeViewer>(this, true);
if (this.NodeViewer == null)
{
this.NodeViewer = LayoutHelper.FindVisualParent <UcNodeViewer>(this, true);
}
if (this.NodeViewer != null && !this.IsPreview)
{
this.treeDesigner = LayoutHelper.FindLogicalParent <UcTreeDesigner>(this.NodeViewer, true);
if (this.treeDesigner != null)
{
this.treeDesigner.RegisterIOHandle(this);
DisposablesHandler.Instance.AddDisposeConnection(this,
PropertyChangedHandle.GetDistinctInstance(this.treeDesigner, "ConnectingIOHandle", this.OnTreeDesignerConnectingIOHandleChanged));
}
DisposablesHandler.Instance.AddDisposeConnection(this,
PropertyChangedHandle.GetDistinctInstance(this.NodeViewer, "IsSelected", this.OnNodeViewerIsSelectedChanged));
}
}
LoadedCompletely = true;
}
/// <summary>
/// Property Changed Callback method of the IsSelected Dependency Property.
/// </summary>
/// <param name="sender">The instance of the class that had the IsSelected property changed.</param>
/// <param name="e">The <see cref="System.Windows.DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void OnIsSelectedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
UcNodeViewer subject = (UcNodeViewer)sender;
bool newValue = (bool)e.NewValue;
bool oldValue = (bool)e.OldValue;
if (newValue)
{
UcTreeDesigner treeDesigner = LayoutHelper.FindLogicalParent <UcTreeDesigner>(subject, true);
if (treeDesigner != null)
{
treeDesigner.onNodeViewerSelected(subject);
}
}
}