//*** CellsPanel.Measure -> RowsLayer.Measure -> RowItem.UpdateChildren -> 行列改变时 CellItem.UpdateChildren -> RowItem.Measure -> CellItem.Measure ***//
public void UpdateChildren()
{
// 刷新绑定的Cell
int row = OwnRow.Row;
int column = Column;
if (CellLayout != null)
{
row = CellLayout.Row;
column = CellLayout.Column;
}
BindingCell = OwnRow.OwnPanel.CellCache.GetCachedCell(row, column);
if (BindingCell == null)
{
return;
}
Background = BindingCell.ActualBackground;
var excel = Excel;
Worksheet sheet = BindingCell.Worksheet;
// 迷你图
Sparkline sparkline = sheet.GetSparkline(row, column);
if (_sparkInfo != sparkline)
{
SparkLine = sparkline;
SynSparklineView();
}
// 收集所有DrawingObject
List <DrawingObject> list = new List <DrawingObject>();
DrawingObject[] objArray = sheet.GetDrawingObject(row, column, 1, 1);
if ((objArray != null) && (objArray.Length > 0))
{
list.AddRange(objArray);
}
IDrawingObjectProvider drawingObjectProvider = DrawingObjectManager.GetDrawingObjectProvider(excel);
if (drawingObjectProvider != null)
{
DrawingObject[] objArray2 = drawingObjectProvider.GetDrawingObjects(sheet, row, column, 1, 1);
if ((objArray2 != null) && (objArray2.Length > 0))
{
list.AddRange(objArray2);
}
}
_dataBarObject = null;
_iconObject = null;
_customDrawingObject = null;
if (list.Count > 0)
{
foreach (DrawingObject obj in list)
{
if (obj is DataBarDrawingObject bar)
{
_dataBarObject = bar;
}
else if (obj is IconDrawingObject icon)
{
_iconObject = icon;
}
else if (obj is CustomDrawingObject cust)
{
_customDrawingObject = cust;
}
}
}
bool noBarIcon = SynContitionalView();
bool noCust = SynCustomDrawingObjectView();
if (sparkline == null && noBarIcon && noCust && !string.IsNullOrEmpty(BindingCell.Text))
{
_tb.Text = BindingCell.Text;
ApplyStyle();
}
else
{
_tb.ClearValue(TextBlock.TextProperty);
}
SynStrikethroughView();
#if UWP || WASM
// 手机上体验不好
if (!excel.IsTouching)
{
FilterButtonInfo info = excel.GetFilterButtonInfo(row, column, BindingCell.SheetArea);
if (info != FilterButtonInfo)
{
FilterButtonInfo = info;
SynFilterButton();
}
}
#endif
}
/// <summary>
/// Sets the value of the <see cref="T:GrapeCity.Windows.SpreadSheet.UI.DrawingObjectManager.IDrawingObjectProvider" /> attached property
/// for a given <see cref="T:GrapeCity.Windows.SpreadSheet.UI.GcSpreadSheet" /> control.
/// </summary>
/// <param name="element">A <see cref="T:GrapeCity.Windows.SpreadSheet.UI.GcSpreadSheet" /></param>
/// <param name="value">An instance of custom <see cref="T:GrapeCity.Windows.SpreadSheet.UI.IDrawingObjectProvider" /></param>
public static void SetDrawingObjectProvider(Excel element, IDrawingObjectProvider value)
{
element.SetValue(DrawingObjectProviderProperty, value);
}
