private void _innerFrameInLabDimensions_Click(object sender, RoutedEventArgs e)
{
if (double.IsInfinity(_pagePresenter.MaxWidth))
{
// Not CI mode, so enter it now
_pagePresenter.MaxWidth = 1024;
_pagePresenter.MaxHeight = 664;
}
else
{
// We are already in "CI mode"
_pagePresenter.ClearValue(MaxWidthProperty);
_pagePresenter.ClearValue(MaxHeightProperty);
}
}
private static void ClearContentPresenter(ContentPresenter cp,
object item)
{
if (cp != item)
{
cp.ClearValue(ContentPresenter.ContentProperty);
}
}
private static bool RemoveParent(FrameworkElement child, ContentPresenter parent)
{
if (parent != null && parent.Content == child)
{
parent.ClearValue(ContentPresenter.ContentProperty);
return(true);
}
return(false);
}
private void SynchronizeContentPosition()
{
switch (ContentPosition)
{
case ContentPosition.Left:
case ContentPosition.Right:
{
Grid.SetColumn(content, ContentPosition.Left == ContentPosition ? 0 : 1);
Grid.SetColumn(animation, ContentPosition.Right == ContentPosition ? 0 : 1);
Grid.SetRow(content, 0);
Grid.SetRow(animation, 0);
Grid.SetRowSpan(content, 2);
Grid.SetRowSpan(animation, 2);
content.ClearValue(Grid.ColumnSpanProperty);
animation.ClearValue(Grid.ColumnSpanProperty);
content.HorizontalContentAlignment = (ContentPosition.Left == ContentPosition)
? HorizontalAlignment.Right
: HorizontalAlignment.Left;
content.VerticalContentAlignment = VerticalAlignment.Center;
break;
}
case ContentPosition.Top:
case ContentPosition.Bottom:
{
Grid.SetColumn(content, 0);
Grid.SetColumn(animation, 0);
Grid.SetRow(content, ContentPosition.Top == ContentPosition ? 0 : 1);
Grid.SetRow(animation, ContentPosition.Bottom == ContentPosition ? 0 : 1);
content.ClearValue(Grid.RowSpanProperty);
animation.ClearValue(Grid.RowSpanProperty);
Grid.SetColumnSpan(content, 2);
Grid.SetColumnSpan(animation, 2);
content.VerticalContentAlignment = (ContentPosition.Top == ContentPosition)
? VerticalAlignment.Bottom
: VerticalAlignment.Top;
content.HorizontalContentAlignment = HorizontalAlignment.Center;
break;
}
}
}
/// <summary>
/// Binds the ContentPresenter's Content property to the Binding set on this control.
/// </summary>
private void UpdateBindings()
{
if (_content == null)
{
return;
}
if (_binding != null)
{
_content.SetBinding(ContentPresenter.ContentProperty, _binding);
}
else
{
_content.ClearValue(ContentPresenter.ContentProperty);
}
}
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")
);
}
private static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ContentPresenter cp = (ContentPresenter)d;
bool reevaluateTemplate;
if (cp.ContentTemplate != null)
{
reevaluateTemplate = false; // explicit template - do not re-apply
}
else if (cp.Template == UIElementContentTemplate)
{
reevaluateTemplate = true; // direct template - always re-apply
cp.Template = null; // and release the old content so it can be re-used elsewhere
}
else
{
Debug.Assert(cp.Template == null ||
cp.Template == DefaultContentTemplate);
reevaluateTemplate = true; // default template - always re-apply
}
if (e.NewValue is UIElement)
{
// If we're using the content directly, clear the data context.
// The content expects to inherit.
cp.ClearValue(DataContextProperty);
}
else
{
// set data context to the content, so that the template can bind to
// properties of the content.
cp.DataContext = e.NewValue;
}
if (reevaluateTemplate)
{
cp.ReevaluateTemplate();
}
}
protected override void OnTransitionEnded(TransitionElement transitionElement, ContentPresenter oldContent, ContentPresenter newContent)
{
newContent.ClearValue(ContentPresenter.RenderTransformProperty);
oldContent.ClearValue(ContentPresenter.RenderTransformProperty);
}
internal Size MeasureTemplate(Size rect, object record, GridColumnBase column, GridQueryBounds bounds, ContentPresenter ctrl)
#endif
{
#if UWP
var _popUp = GetPopUp();
_popUp.Child = ctrl;
ctrl.FontSize = column != null && column.hasFontSize ? GetFontSize(column) : FontSize;
ctrl.ClearValue(ContentPresenter.MarginProperty);
#endif
ctrl.Measure(new Size());
if (column.GetType() == typeof(GridUnBoundColumn))
{
var contentValue = (GridBase as SfDataGrid).GetUnBoundCellValue(column as GridColumn, record);
var dataContextHelper = GetDataContextHelper(column, record);
dataContextHelper.Value = contentValue;
ctrl.Content = dataContextHelper;
}
else
{
if (column.SetCellBoundValue)
{
var dataContextHelper = GetDataContextHelper(column, record);
dataContextHelper.SetValueBinding(column.ValueBinding, record);
ctrl.Content = dataContextHelper;
}
else
{
ctrl.DataContext = record;
ctrl.Content = record;
}
}
if (column.hasCellTemplate)
{
ctrl.ContentTemplate = column.CellTemplate;
}
else if (column.hasCellTemplateSelector)
{
ctrl.ContentTemplateSelector = column.CellTemplateSelector;
}
else
{
if (column.IsTemplate && GridBase.hasCellTemplateSelector)
{
ctrl.ContentTemplateSelector = GridBase.CellTemplateSelector;
}
}
var controlsize = Size.Empty;
if (bounds == GridQueryBounds.Height)
{
var tectangleWidth = column.IsHidden || column.Width == 0.0 ? GetDefaultLineSize() : rect.Width;
ctrl.Measure(new Size(tectangleWidth, Double.PositiveInfinity));
controlsize = ctrl.DesiredSize.Height == 0 ? new Size(ctrl.DesiredSize.Width, this.GridBase.RowHeight) : ctrl.DesiredSize;
}
else
{
ctrl.Measure(new Size(Double.PositiveInfinity, rect.Height));
controlsize = ctrl.DesiredSize.Width == 0 ? new Size(150, ctrl.DesiredSize.Height) : ctrl.DesiredSize;
}
ctrl.Content = null;
ctrl.ContentTemplate = null;
ctrl.ContentTemplateSelector = null;
#if UWP
_popUp.Child = null;
#endif
return(controlsize);
}
private void _innerFrameInLabDimensions_Unchecked(object sender, RoutedEventArgs e)
{
// Leave CI mode
_pagePresenter.ClearValue(MaxWidthProperty);
_pagePresenter.ClearValue(MaxHeightProperty);
}
