/// <summary>
/// Returns the node view containing the given view model.
/// </summary>
/// <param name="pItem">The item contained by the view.</param>
/// <returns>The found view if any, null otherwise.</returns>
public AGraphItem GetContainerForViewModel(IGraphItemViewModel pItem)
{
GraphItemContainer lItemView = this.ItemContainerGenerator.ContainerFromItem(pItem) as GraphItemContainer;
if (lItemView != null)
{
return(lItemView.TemplateControl);
}
return(null);
}
/// <summary>
/// Method called when the control content changed.
/// </summary>
/// <param name="pOldContent">The previous content.</param>
/// <param name="pNewContent">The new content.</param>
protected override void OnContentChanged(object pOldContent, object pNewContent)
{
base.OnContentChanged(pOldContent, pNewContent);
BindingOperations.ClearAllBindings(this);
// The content is the view model.
IGraphItemViewModel lNewContent = pNewContent as IGraphItemViewModel;
if (lNewContent != null)
{
// Setting the style.
this.Style = lNewContent.ContainerStyle;
// Binding the IsSelected property.
Binding lIsSelectedBinding = new Binding("IsSelected")
{
Source = lNewContent, Mode = BindingMode.TwoWay
};
this.SetBinding(GraphItemContainer.IsSelectedProperty, lIsSelectedBinding);
// Binding the ZIndex property.
Binding lZIndexBinding = new Binding("ZIndex")
{
Source = lNewContent, Mode = BindingMode.OneWay
};
this.SetBinding(GraphItemContainer.ZIndexProperty, lZIndexBinding);
if (lNewContent is IPositionable)
{
// Binding the X position.
Binding lXBinding = new Binding("X")
{
Source = lNewContent, Mode = BindingMode.TwoWay
};
this.SetBinding(GraphItemContainer.PosXProperty, lXBinding);
// Binding the Y position.
Binding lYBinding = new Binding("Y")
{
Source = lNewContent, Mode = BindingMode.TwoWay
};
this.SetBinding(GraphItemContainer.PosYProperty, lYBinding);
}
}
}
