/// <summary>
/// ContentProperty property changed handler.
/// </summary>
/// <param name="d">ContentControl that changed its Content.</param>
/// <param name="e">DependencyPropertyChangedEventArgs.</param>
private static void OnRightPropertyChanged (IDependencyObject d, DependencyPropertyChangedEventArgs e)
{
Canvas source = d as Canvas;
Debug.Assert (source != null, "The source is not an instance of ContentControl!");
// Notify derived classes of the change
source.OnRightChanged (e.OldValue, e.NewValue);
}
private static void OnTriggersChanged(IDependencyObject obj, DependencyPropertyChangedEventArgs args)
{
var triggerCollection1 = args.OldValue as TriggerCollection;
var triggerCollection2 = args.NewValue as TriggerCollection;
if (triggerCollection1 == triggerCollection2)
{
return;
}
if (triggerCollection1 != null && triggerCollection1.AssociatedObject != null)
{
triggerCollection1.Detach();
}
if (triggerCollection2 == null || obj == null)
{
return;
}
if (triggerCollection2.AssociatedObject != null)
{
throw new InvalidOperationException("Cannot attach TriggerCollection multiple imes");
}
var fElement = obj as FormElement;
if (fElement == null)
{
throw new InvalidOperationException("Can only host TriggerCollection on FormElement");
}
triggerCollection2.Attach(fElement);
}
/// <summary>
/// Gets the TriggerCollection containing the triggers associated with the specified object.
/// </summary>
/// <param name="obj">The object from which to retrieve the triggers.</param>
/// <returns>
/// A TriggerCollection containing the triggers associated with the specified object.
/// </returns>
public static TriggerCollection GetTriggers(IDependencyObject obj)
{
var triggerCollection = (TriggerCollection) obj.GetValue(TriggersProperty);
if (triggerCollection == null)
{
triggerCollection = new TriggerCollection();
obj.SetValue(TriggersProperty, triggerCollection);
}
return triggerCollection;
}
/// <summary>
/// Attaches the specified <see cref="MvvmFx.Windows.IDependencyObject"/> to the collection
/// </summary>
/// <param name="dependencyObject">The <see cref="MvvmFx.Windows.IDependencyObject"/> to attach</param>
public void Attach(IDependencyObject dependencyObject)
{
if (dependencyObject == AssociatedObject)
{
return;
}
if (AssociatedObject != null)
{
throw new InvalidOperationException("Cannot attach TriggerAction multiple times");
}
AssociatedObject = dependencyObject;
OnAssociatedObjectChanged();
OnAttached();
}
public static void SetRow(IDependencyObject element, int value)
{
element.SetValue (RowProperty, value);
}
public static int GetColumn(IDependencyObject element)
{
return (int) element.GetValue (ColumnProperty);
}
public static void SetRowSpan(IDependencyObject element, object value) { element.SetValue(UIGrid.RowSpanProperty , value); }
public static void SetColumn(IDependencyObject element, object value) { element.SetValue(UIGrid.ColumnProperty , value); }
private static void OnRowColumnChanged( IDependencyObject o, DependencyPropertyChangedEventArgs e)
{
Console.WriteLine(o);
Console.WriteLine(e.NewValue + " : " + e.OldValue + " , " + e.Property);
}
// A .NET property wrapper (not must)
public static int GetRow (IDependencyObject element){return (int)element.GetValue(UIGrid.RowProperty ); }
public static int GetColumn(IDependencyObject element)
{
return((int)element.GetValue(ColumnProperty));
}
public static void SetColumnSpan(IDependencyObject element, int value)
{
element.SetValue(ColumnSpanProperty, value);
}
private static void OnTopPropertyChanged (IDependencyObject d, DependencyPropertyChangedEventArgs e)
{
var frame = d.Frame;
frame.Y = float.Parse (e.NewValue.ToString ());
d.Frame = frame;
}
public static int GetRowSpan(IDependencyObject element)
{
return((int)element.GetValue(RowSpanProperty));
}
public static void SetTop (IDependencyObject element, int value)
{
element.SetValue (Canvas.TopProperty, value);
}
public static int GetTop (IDependencyObject element)
{
return (int)element.GetValue (Canvas.TopProperty);
}
private static void OnRowColumnChanged( IDependencyObject o, DependencyPropertyChangedEventArgs e)
{
}
public static int GetRowSpan(IDependencyObject element)
{
return (int) element.GetValue (RowSpanProperty);
}
public PropertyMetadata GetMetadata(IDependencyObject d)
{
if (metadataByType.ContainsKey (d.GetType()))
return metadataByType[d.GetType()];
return null;
}
public static void SetColumnSpan(IDependencyObject element, int value)
{
element.SetValue (ColumnSpanProperty, value);
}
public PropertyMetadata GetMetadata(IDependencyObject dependencyObject)
{
if (dependencyObject != null)
return GetMetadata(dependencyObject.GetType());
return null;
}
/// <summary>
/// Detaches the currently associated <see cref="MvvmFx.Windows.IDependencyObject"/>
/// </summary>
public void Detach()
{
OnDetaching();
AssociatedObject = null;
OnAssociatedObjectChanged();
}
/// <summary> /// Retrieves the default value of the current <see cref="DependencyProperty"/>. /// </summary> /// <param name="owner">The onwer of the dependency property.</param> /// <returns>Retrieves the default value of the property.</returns> internal abstract new TProperty GetPropertyDefault(IDependencyObject owner);
