// Token: 0x06004DA7 RID: 19879 RVA: 0x0015E1D4 File Offset: 0x0015C3D4
internal override void OnColumnPropertyChanged(GridViewColumn column, string propertyName)
{
if ("ActualWidth".Equals(propertyName))
{
return;
}
int actualIndex;
if ((actualIndex = column.ActualIndex) >= 0 && actualIndex < base.InternalChildren.Count)
{
if (GridViewColumn.WidthProperty.Name.Equals(propertyName))
{
base.InvalidateMeasure();
return;
}
if ("DisplayMemberBinding".Equals(propertyName))
{
FrameworkElement frameworkElement = base.InternalChildren[actualIndex] as FrameworkElement;
if (frameworkElement != null)
{
BindingBase displayMemberBinding = column.DisplayMemberBinding;
if (displayMemberBinding != null && frameworkElement is TextBlock)
{
frameworkElement.SetBinding(TextBlock.TextProperty, displayMemberBinding);
return;
}
this.RenewCell(actualIndex, column);
return;
}
}
else
{
ContentPresenter contentPresenter = base.InternalChildren[actualIndex] as ContentPresenter;
if (contentPresenter != null)
{
if (GridViewColumn.CellTemplateProperty.Name.Equals(propertyName))
{
DataTemplate cellTemplate;
if ((cellTemplate = column.CellTemplate) == null)
{
contentPresenter.ClearValue(ContentControl.ContentTemplateProperty);
return;
}
contentPresenter.ContentTemplate = cellTemplate;
return;
}
else if (GridViewColumn.CellTemplateSelectorProperty.Name.Equals(propertyName))
{
DataTemplateSelector cellTemplateSelector;
if ((cellTemplateSelector = column.CellTemplateSelector) == null)
{
contentPresenter.ClearValue(ContentControl.ContentTemplateSelectorProperty);
return;
}
contentPresenter.ContentTemplateSelector = cellTemplateSelector;
}
}
}
}
}
/// <summary>
/// Handler of column's PropertyChanged event. Update correspondent property
/// if change is of Width / CellTemplate / CellTemplateSelector.
/// </summary>
internal override void OnColumnPropertyChanged(GridViewColumn column, string propertyName)
{
Debug.Assert(column != null);
int index;
// ActualWidth change is a noise to RowPresenter, so filter it out.
// Note-on-perf: ActualWidth property change of will fire N x M times
// on every start up. (N: number of column with Width set to 'auto',
// M: number of visible items)
if (GridViewColumn.c_ActualWidthName.Equals(propertyName))
{
return;
}
// Width is the #1 property that will be changed frequently. The others
// (DisplayMemberBinding/CellTemplate/Selector) are not.
if (((index = column.ActualIndex) >= 0) && (index < InternalChildren.Count))
{
if (GridViewColumn.WidthProperty.Name.Equals(propertyName))
{
InvalidateMeasure();
}
// Priority: DisplayMemberBinding > CellTemplate > CellTemplateSelector
else if (GridViewColumn.c_DisplayMemberBindingName.Equals(propertyName))
{
FrameworkElement cell = InternalChildren[index] as FrameworkElement;
if (cell != null)
{
BindingBase binding = column.DisplayMemberBinding;
if (binding != null && cell is TextBlock)
{
cell.SetBinding(TextBlock.TextProperty, binding);
}
else
{
RenewCell(index, column);
}
}
}
else
{
ContentPresenter cp = InternalChildren[index] as ContentPresenter;
if (cp != null)
{
if (GridViewColumn.CellTemplateProperty.Name.Equals(propertyName))
{
DataTemplate dt;
if ((dt = column.CellTemplate) == null)
{
cp.ClearValue(ContentControl.ContentTemplateProperty);
}
else
{
cp.ContentTemplate = dt;
}
}
else if (GridViewColumn.CellTemplateSelectorProperty.Name.Equals(propertyName))
{
DataTemplateSelector dts;
if ((dts = column.CellTemplateSelector) == null)
{
cp.ClearValue(ContentControl.ContentTemplateSelectorProperty);
}
else
{
cp.ContentTemplateSelector = dts;
}
}
}
}
}
}
protected override void OnTransitionEnded(TransitionPresenter transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
{
newContent.ClearValue(ContentPresenter.RenderTransformProperty);
oldContent.ClearValue(ContentPresenter.RenderTransformProperty);
}
protected override void OnTransitionEnded(TransitionPresenter transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
{
Storyboard oldStoryboard = (Storyboard)oldContent.GetValue(OldContentStoryboardProperty);
if (oldStoryboard != null)
oldStoryboard.Stop(oldContent);
oldContent.ClearValue(ContentPresenter.StyleProperty);
Storyboard newStoryboard = (Storyboard)newContent.GetValue(NewContentStoryboardProperty);
if (newStoryboard != null)
newStoryboard.Stop(newContent);
newContent.ClearValue(ContentPresenter.StyleProperty);
}
public void DataContextTest6 ()
{
// When the ContentPresenter is in the tree, its DataContext is updated as expected
object o = new object ();
object o2 = new object();
ContentPresenter c = new ContentPresenter { DataContext = o };
Assert.AreEqual (o, c.DataContext, "#1");
CreateAsyncTest (c,
() => c.DataContext = o,
() => {
Assert.AreEqual (o, c.DataContext, "#3");
TestPanel.DataContext = o2;
},
() => Assert.AreEqual (o, c.DataContext, "#4"),
() => c.ClearValue (ContentPresenter.DataContextProperty),
() => Assert.AreEqual (o2, c.DataContext, "#5")
);
}