protected virtual void UpdateOnViewInfoChanged()
{
if (this.rowScroller != null)
{
this.rowScroller.Dispose();
}
this.rowScroller = new VirtualGridItemScroller(this.RowsViewState);
this.rowScroller.ElementProvider = (IVirtualizedElementProvider <int>) new VirtualRowsElementProvider(this);
this.rowScroller.ItemHeight = this.RowHeight;
this.rowScroller.ItemSpacing = this.RowSpacing;
this.rowScroller.ScrollMode = ItemScrollerScrollModes.Smooth;
this.rowScroller.Scrollbar = this.VScrollBar;
this.rowScroller.Traverser = (ITraverser <int>) new VirtualGridTraverser(this.RowsViewState);
this.rowScroller.UpdateScrollRange();
this.rowScroller.ScrollerUpdated += new EventHandler(this.rowScroller_ScrollerUpdated);
if (this.columnScroller != null)
{
this.columnScroller.Dispose();
}
this.columnScroller = new VirtualGridItemScroller(this.ColumnsViewState);
this.columnScroller.ElementProvider = (IVirtualizedElementProvider <int>) new VirtualCellsElementProvider(this);
this.columnScroller.ItemHeight = this.ColumnWidth;
this.columnScroller.ItemSpacing = this.CellSpacing;
this.columnScroller.ScrollMode = ItemScrollerScrollModes.Smooth;
this.columnScroller.Scrollbar = this.HScrollBar;
this.columnScroller.Traverser = (ITraverser <int>) new VirtualGridTraverser(this.ColumnsViewState);
this.columnScroller.UpdateScrollRange();
this.columnScroller.ScrollerUpdated += new EventHandler(this.columnScroller_ScrollerUpdated);
this.ViewElement.TableElement = this;
if (this.pagingPanel != null)
{
this.pagingPanel.Dispose();
this.pagingPanel = (VirtualGridPagingPanelElement)null;
}
if (this.ViewInfo.EnablePaging)
{
this.pagingPanel = new VirtualGridPagingPanelElement(this, this.ViewInfo);
this.pagingPanel.UpdateView();
this.Children.Add((RadElement)this.pagingPanel);
}
if (this.waitingElement == null)
{
this.waitingElement = new VirtualGridWaitingElement();
this.waitingElement.Visibility = ElementVisibility.Collapsed;
this.Children.Add((RadElement)this.waitingElement);
}
this.SetScrollState();
if (this.ViewInfo.IsWaiting)
{
this.waitingElement.StartWaiting();
this.InvalidateMeasure();
}
else
{
this.waitingElement.StopWaiting();
this.InvalidateMeasure();
}
this.RowScroller.UpdateScrollRange();
this.ColumnScroller.UpdateScrollRange();
this.InvalidatePinnedRows();
this.InvalidateMeasure(true);
this.UpdateNoDataText();
}
protected virtual void OnViewInfoPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (this.IsDisposed || this.IsDisposing)
{
return;
}
bool flag = e.PropertyName == "ColumnSizes[]" || e.PropertyName == "ColumnWidth";
if (e.PropertyName == "RowCount" || e.PropertyName == "RowHeight" || (e.PropertyName == "RowSpacing" || e.PropertyName == "RowSizes[]"))
{
this.ViewElement.UpdateElementSpacing();
if (this.RowScroller != null)
{
this.RowScroller.ItemSpacing = this.ViewInfo.RowSpacing;
this.RowScroller.UpdateScrollRange();
}
this.UpdateNoDataText();
if (this.GridElement != null && this.GridElement.EnablePaging && this.ViewInfo.ParentViewInfo == null)
{
this.PagingPanelElement.UpdateView();
}
}
else if (e.PropertyName == "ColumnCount" || e.PropertyName == "ColumnWidth" || (e.PropertyName == "CellSpacing" || flag))
{
this.ViewElement.UpdateElementSpacing();
if (flag)
{
this.SynchronizeRows(false, false);
}
else
{
this.SynchronizeRows(false);
}
this.ColumnScroller.ItemSpacing = this.ViewInfo.CellSpacing;
this.ColumnScroller.UpdateScrollRange();
this.UpdateNoDataText();
}
else if (e.PropertyName == "TopPinnedRows[]" || e.PropertyName == "BottomPinnedRows[]" || (e.PropertyName == "ShowFilterRow" || e.PropertyName == "ShowHeaderRow") || e.PropertyName == "ShowNewRow")
{
this.InvalidatePinnedRows();
this.InvalidateMeasure();
}
else if (e.PropertyName == "LeftPinnedColumns[]" || e.PropertyName == "RightPinnedColumns[]")
{
foreach (VirtualGridRowElement rowElement in this.ViewElement.GetRowElements())
{
rowElement.InvalidatePinnedColumns();
}
this.UpdateOnViewInfoChanged();
}
else if (e.PropertyName == "WaitingRows[]")
{
this.SynchronizeRows();
}
else if (e.PropertyName == "ColumnDataTypes[]")
{
if (this.GridElement.AllowFiltering)
{
foreach (VirtualGridRowElement child in this.ViewElement.TopPinnedRows.Children)
{
if (child is VirtualGridFilterRowElement)
{
child.Synchronize();
break;
}
}
}
}
else if (e.PropertyName == "RowErrorTexts[]")
{
foreach (VirtualGridRowElement descendant in this.GetDescendants((Predicate <RadElement>)(x => x is VirtualGridRowElement), TreeTraversalMode.BreadthFirst))
{
descendant.SynchronizeIndentCell();
}
}
else if (e.PropertyName == "ExpandedRows[]" || e.PropertyName == "EnableAlternatingRowColor")
{
for (int index = 0; index < this.ViewElement.ScrollableRows.Children.Count; ++index)
{
(this.ViewElement.ScrollableRows.Children[index] as VirtualGridRowElement)?.Synchronize();
}
}
else if (e.PropertyName == "IsWaiting")
{
if (this.ViewInfo.IsWaiting)
{
this.waitingElement.StartWaiting();
}
else
{
this.waitingElement.StopWaiting();
this.SynchronizeRows();
}
}
else if (e.PropertyName == "AllowColumnSort")
{
foreach (VirtualGridRowElement child in this.ViewElement.TopPinnedRows.Children)
{
if (child is VirtualGridHeaderRowElement)
{
child.Synchronize();
}
}
}
else if (e.PropertyName == "EnablePaging")
{
if (this.ViewInfo.EnablePaging)
{
if (this.pagingPanel != null)
{
this.pagingPanel.Dispose();
this.pagingPanel = (VirtualGridPagingPanelElement)null;
}
this.pagingPanel = new VirtualGridPagingPanelElement(this, this.ViewInfo);
this.pagingPanel.UpdateView();
this.Children.Add((RadElement)this.pagingPanel);
}
else if (this.pagingPanel != null)
{
this.pagingPanel.Dispose();
this.pagingPanel = (VirtualGridPagingPanelElement)null;
}
}
else if (e.PropertyName == "PageIndex")
{
if (this.ViewInfo.EnablePaging && this.pagingPanel != null)
{
this.pagingPanel.UpdateView();
this.RowScroller.UpdateScrollRange();
}
}
else if (e.PropertyName == "PageSize")
{
if (this.pagingPanel != null)
{
this.pagingPanel.UpdateView();
}
this.RowScroller.UpdateScrollRange();
}
else if (e.PropertyName == "VerticalScrollState" || e.PropertyName == "HorizontalScrollState")
{
this.SetScrollState();
}
else if (e.PropertyName == "AutoSizeColumnsMode")
{
switch (this.ViewInfo.AutoSizeColumnsMode)
{
case VirtualGridAutoSizeColumnsMode.None:
this.ColumnLayout = (BaseVirtualGridColumnLayout) new StandardVirtualGridColumnLayout();
break;
case VirtualGridAutoSizeColumnsMode.Fill:
this.ColumnLayout = (BaseVirtualGridColumnLayout) new StretchVirtualGridColumnLayout();
break;
}
}
this.InvalidateMeasure(true);
if (!flag)
{
this.UpdateLayout();
}
this.GridElement.OnViewInfoPropertyChanged(this.ViewInfo, e.PropertyName);
}
