public bool ExpandRow(int rowIndex)
{
if (this.childViewInfos.ContainsKey(rowIndex) && this.childViewInfos[rowIndex].IsExpanded)
{
return(false);
}
VirtualGridViewInfo childViewInfo = this.GetChildViewInfo(rowIndex, true);
VirtualGridRowExpandingEventArgs args = new VirtualGridRowExpandingEventArgs(rowIndex, childViewInfo, this);
this.GridElement.OnRowExpanding(args);
if (args.Cancel)
{
return(false);
}
if (!this.childViewInfos.ContainsKey(rowIndex))
{
this.childViewInfos.Add(rowIndex, new VirtualGridViewInfo(this, rowIndex));
}
this.childViewInfos[rowIndex].IsExpanded = true;
int size = this.GridElement.UseScrollbarsInHierarchy ? this.childViewInfos[rowIndex].ExpandedHeight : this.childViewInfos[rowIndex].GetTotalRowHeight();
this.rowsViewState.SetExpandedSize(rowIndex, size);
this.childViewInfos[rowIndex].ExpandedHeight = size;
this.OnNotifyPropertyChanged("ExpandedRows[]");
this.GridElement.OnRowExpanded(new VirtualGridRowExpandedEventArgs(rowIndex, childViewInfo, this));
return(true);
}
public VirtualGridViewInfo(VirtualGridViewInfo parentViewInfo, int parentRowIndex)
{
this.gridElement = parentViewInfo.gridElement;
this.parentRowIndex = parentRowIndex;
this.parentViewInfo = parentViewInfo;
this.InitializeViewInfo();
}
public VirtualGridCellPaintEventArgs(
VirtualGridCellElement cellElement,
VirtualGridViewInfo viewInfo,
Graphics graphics)
: base(cellElement, viewInfo)
{
this.graphics = graphics;
}
public VirtualGridRowPaintEventArgs(
VirtualGridRowElement rowElement,
VirtualGridViewInfo viewInfo,
Graphics graphics)
: base(rowElement, viewInfo)
{
this.graphics = graphics;
}
public VirtualGridClipboardEventArgs(
bool cancel,
DataObject dataObject,
VirtualGridViewInfo viewInfo)
: base(cancel, dataObject)
{
this.viewInfo = viewInfo;
}
public VirtualGridCellElementMouseEventArgs(
VirtualGridCellElement cellElement,
VirtualGridViewInfo viewInfo,
MouseEventArgs mouseEventArgs)
: base(cellElement, viewInfo)
{
this.mouseEventArgs = mouseEventArgs;
}
private void OnChildViewInfoHeightChanged(VirtualGridViewInfo childView)
{
if (!this.childViewInfos.ContainsKey(childView.ParentRowIndex) || this.childViewInfos[childView.ParentRowIndex] != childView || !childView.IsExpanded)
{
return;
}
this.rowsViewState.SetExpandedSize(childView.ParentRowIndex, childView.ExpandedHeight);
}
public VirtualGridPagingPanelElement(
VirtualGridTableElement gridViewElement,
VirtualGridViewInfo viewInfo)
{
this.gridViewElement = gridViewElement;
this.viewInfo = viewInfo;
this.UpdateVisibility();
}
public VirtualGridPageChangingEventArgs(
int oldIndex,
int newIndex,
VirtualGridViewInfo viewInfo)
{
this.oldIndex = oldIndex;
this.newIndex = newIndex;
this.viewInfo = viewInfo;
}
public VirtualGridTableElement(RadVirtualGridElement gridElement, VirtualGridViewInfo viewInfo)
{
this.gridElement = gridElement;
this.viewInfo = viewInfo;
this.viewInfo.PropertyChanged += new PropertyChangedEventHandler(this.OnViewInfoPropertyChanged);
this.viewInfo.BindProperties(this);
this.UpdateOnViewInfoChanged();
this.ColumnLayout = (BaseVirtualGridColumnLayout) new StandardVirtualGridColumnLayout();
}
public VirtualGridCreateCellEventArgs(
int columnIndex,
int rowIndex,
Type cellType,
VirtualGridViewInfo viewInfo)
{
this.columnIndex = columnIndex;
this.rowIndex = rowIndex;
this.cellType = cellType;
this.viewInfo = viewInfo;
}
public bool ColumnContainsSelection(int columnIndex, VirtualGridViewInfo viewInfo)
{
foreach (SelectionRegion selectedRegion in this.SelectedRegions)
{
if (selectedRegion.ViewInfo == viewInfo && selectedRegion.ContainsColumn(columnIndex))
{
return(true);
}
}
if (this.CurrentViewInfo == viewInfo)
{
return(this.SelectedRegion.ContainsColumn(columnIndex));
}
return(false);
}
public bool CollapseRow(int rowIndex)
{
VirtualGridViewInfo childViewInfo = this.GetChildViewInfo(rowIndex, true);
VirtualGridRowExpandingEventArgs args = new VirtualGridRowExpandingEventArgs(rowIndex, childViewInfo, this);
this.GridElement.OnRowCollapsing(args);
if (args.Cancel || !this.childViewInfos.ContainsKey(rowIndex) || !this.childViewInfos[rowIndex].IsExpanded)
{
return(false);
}
this.childViewInfos[rowIndex].IsExpanded = false;
this.rowsViewState.ResetExpandedSize(rowIndex);
this.OnNotifyPropertyChanged("ExpandedRows[]");
this.GridElement.OnRowCollapsed(new VirtualGridRowExpandedEventArgs(rowIndex, childViewInfo, this));
return(true);
}
public void BeginSelection(
int rowIndex,
int columnIndex,
VirtualGridViewInfo viewInfo,
bool keepSelection)
{
keepSelection &= this.currentViewInfo == viewInfo;
VirtualGridSelectionChangingEventArgs args = new VirtualGridSelectionChangingEventArgs(keepSelection ? VirtualGridSelectionAction.BeginSelection : VirtualGridSelectionAction.ClearAndBeginSelection, rowIndex, columnIndex, viewInfo);
this.OnSelectionChanging(args);
if (args.Cancel)
{
return;
}
if (!keepSelection)
{
this.ClearSelectedRegions();
this.boundingRegion = SelectionRegion.Empty;
}
else
{
this.AddSelectedRegions(this.SelectedRegion);
}
this.currentViewInfo = viewInfo;
this.startRow = this.endRow = rowIndex;
if (this.SelectionMode == VirtualGridSelectionMode.CellSelect)
{
this.startColumn = this.endColumn = columnIndex;
}
else if (this.SelectionMode == VirtualGridSelectionMode.FullRowSelect)
{
this.startColumn = 0;
this.endColumn = this.CurrentViewInfo.ColumnCount - 1;
}
this.OnSelectionChanged();
}
public VirtualGridCreateRowEventArgs(int rowIndex, Type rowType, VirtualGridViewInfo viewInfo)
{
this.rowIndex = rowIndex;
this.rowType = rowType;
this.viewInfo = viewInfo;
}
public VirtualGridClipboardEventArgs(bool cancel, VirtualGridViewInfo viewInfo)
: base(cancel)
{
this.viewInfo = viewInfo;
}
public VirtualGridRowsEventArgs(IEnumerable <int> rowIndices, VirtualGridViewInfo viewInfo)
: base(viewInfo)
{
this.rowIndices = rowIndices;
}
public VirtualGridEventArgs(VirtualGridViewInfo viewInfo)
{
this.viewInfo = viewInfo;
}
