public object GenerateContainerForItem(ItemGenerationContext info, object containerType)
{
UIElement element = null;
ListViewGroupHeader groupHeader = null;
if (listViewGroupHeaderType.Equals(containerType))
{
groupHeader = this.owner.GetContainerForGroupHeader();
}
else if (object.Equals(listViewFrozenGroupHeaderType, containerType))
{
groupHeader = this.owner.GetContainerForGroupHeader(true);
}
if (groupHeader != null)
{
if (groupHeader.IsFrozen)
{
// Frozen Headers are placed in different panel (not in childrens panel).
this.owner.frozenGroupHeadersHost.Children.Add(groupHeader);
}
else
{
this.owner.childrenPanel.Children.Add(groupHeader);
}
return(groupHeader);
}
else
{
if (containerType != null)
{
if (containerType.Equals(loadingDataControlType))
{
element = new ListViewLoadDataControl();
this.owner.loadMoreDataControl = element as ListViewLoadDataControl;
}
else if (containerType.Equals(listViewItemType))
{
var listViewItem = this.owner.GetContainerForItem();
listViewItem.ListView = this.owner;
element = listViewItem;
}
else
{
throw new ArgumentException("Unknown container type.");
}
}
}
this.owner.childrenPanel.Children.Add(element);
return(element);
}
protected FrameworkElement PrepareGroupHeader(GroupHeaderItem headerItem, FrameworkElement lvParent)
{
var result = new ListViewGroupHeader()
{
Context = headerItem,
Content = headerItem,
Screen = _parent.Screen,
VisualParent = lvParent,
LogicalParent = lvParent
};
// Set this after the other properties have been initialized to avoid duplicate work
// No need to set the LogicalParent because styles and content templates don't bind bindings
result.Style = MpfCopyManager.DeepCopyCutLVPs(GroupHeaderContainerStyle);
result.ContentTemplate = MpfCopyManager.DeepCopyCutLVPs(GroupHeaderTemplate);
return(result);
}
