void UpdateContentContainer(BaseVerticalCollectionView collectionView)
{
var headerTotalWidth = m_MultiColumnHeader.columnContainer.layout.width;
var targetWidth = Mathf.Max(headerTotalWidth, collectionView.scrollView.contentViewport.resolvedStyle.width);
collectionView.scrollView.contentContainer.style.width = targetWidth;
}
public DynamicHeightVirtualizationController(BaseVerticalCollectionView collectionView)
: base(collectionView)
{
m_FillCallback = Fill;
m_GeometryChangedCallback = OnRecycledItemGeometryChanged;
m_IndexOutOfBoundsPredicate = IsIndexOutOfBounds;
}
public DynamicHeightVirtualizationController(BaseVerticalCollectionView collectionView)
: base(collectionView)
{
m_FillCallback = Fill;
m_GeometryChangedCallback = OnRecycledItemGeometryChanged;
m_IndexOutOfBoundsPredicate = IsIndexOutOfBounds;
m_ScrollView.contentViewport.RegisterCallback <GeometryChangedEvent>(OnViewportGeometryChanged);
}
protected VerticalVirtualizationController(BaseVerticalCollectionView collectionView)
: base(collectionView.scrollView)
{
m_CollectionView = collectionView;
m_ActiveItems = new List <T>();
m_VisibleItemPredicateDelegate = VisibleItemPredicate;
k_EmptyRows = new VisualElement();
k_EmptyRows.AddToClassList(BaseVerticalCollectionView.backgroundFillUssClassName);
}
/// <summary>
/// Initialization step once the view is set.
/// It will insert the multi column header in the hierarchy and register to important callbacks.
/// </summary>
/// <param name="collectionView">The view to register to.</param>
public void PrepareView(BaseVerticalCollectionView collectionView)
{
if (m_View != null)
{
Debug.LogWarning("Trying to initialize multi column view more than once. This shouldn't happen.");
return;
}
m_View = collectionView;
// Insert header to the view.
collectionView.Insert(0, m_MultiColumnHeader);
// Handle horizontal scrolling
m_View.scrollView.horizontalScroller.valueChanged += OnHorizontalScrollerValueChanged;
m_View.scrollView.contentViewport.RegisterCallback <GeometryChangedEvent>(OnViewportGeometryChanged);
m_MultiColumnHeader.columnContainer.RegisterCallback <GeometryChangedEvent>(OnColumnContainerGeometryChanged);
}
/// <summary>
/// Unregisters events and removes the header from the hierarchy.
/// </summary>
public void Dispose()
{
if (m_View != null)
{
m_View.scrollView.horizontalScroller.valueChanged -= OnHorizontalScrollerValueChanged;
m_View.scrollView.contentViewport.UnregisterCallback <GeometryChangedEvent>(OnViewportGeometryChanged);
m_View = null;
}
m_MultiColumnHeader.columnContainer.UnregisterCallback <GeometryChangedEvent>(OnColumnContainerGeometryChanged);
m_MultiColumnHeader.columnSortingChanged -= OnColumnSortingChanged;
m_MultiColumnHeader.contextMenuPopulateEvent -= OnContextMenuPopulateEvent;
m_MultiColumnHeader.columnResized -= OnColumnResized;
m_MultiColumnHeader.columns.columnAdded -= OnColumnAdded;
m_MultiColumnHeader.columns.columnRemoved -= OnColumnRemoved;
m_MultiColumnHeader.columns.columnReordered -= OnColumnReordered;
m_MultiColumnHeader.columns.columnChanged -= OnColumnsChanged;
m_MultiColumnHeader.columns.changed -= OnColumnChanged;
m_MultiColumnHeader.RemoveFromHierarchy();
m_MultiColumnHeader.Dispose();
m_MultiColumnHeader = null;
}
public FixedHeightVirtualizationController(BaseVerticalCollectionView collectionView)
: base(collectionView)
{
}
public ListViewDragger(BaseVerticalCollectionView listView)
: base(listView)
{
}
public BaseReorderableDragAndDropController(BaseVerticalCollectionView view)
{
m_View = view;
enableReordering = true;
}
