internal Size GetChartTitleSize(ChartTitle title)
{
Size chartTitleSize = Size.Empty;
if ((title != null) && !string.IsNullOrEmpty(title.Text))
{
double fontSize = title.ActualFontSize * ZoomFactor;
if (fontSize < 0.0)
{
fontSize = new TextBlock().FontSize;
}
FontFamily fontFamily = title.ActualFontFamily;
if (fontFamily == null)
{
fontFamily = Dt.Cells.Data.Utility.DefaultFontFamily;
}
chartTitleSize = MeasureHelper.MeasureTextBlock(title.Text, fontFamily, fontSize, title.ActualFontStretch, title.ActualFontStyle, title.FontWeight, new Size(double.PositiveInfinity, double.PositiveInfinity), false, null, UseLayoutRounding, ZoomFactor);
}
if (!chartTitleSize.IsEmpty)
{
chartTitleSize = MeasureHelper.ConvertTextSizeToExcelCellSize(chartTitleSize, ZoomFactor);
}
else
{
chartTitleSize = new Size(0.0, 0.0);
}
return(chartTitleSize);
}
Size GetPreferredEditorSize(Size maxSize, Size cellContentSize, HorizontalAlignment alignment, float indent)
{
if (!_ownPanel.Excel.CanEditOverflow || string.IsNullOrEmpty(Editor.Text))
{
return(cellContentSize);
}
// 支持文本溢出单元格
Size realSize = MeasureHelper.MeasureText(
Editor.Text,
Editor.FontFamily,
Editor.FontSize,
Editor.FontStretch,
Editor.FontStyle,
Editor.FontWeight,
maxSize,
true,
null,
_ownPanel.Excel.UseLayoutRounding,
_ownPanel.Excel.ZoomFactor);
Size size = MeasureHelper.ConvertTextSizeToExcelCellSize(realSize, _ownPanel.Excel.ZoomFactor);
// 多出字符'T'的宽度，不再测量
size.Width += Editor.FontSize;
//string text = "T";
//Size size2 = CalcStringSize(new Size(2147483647.0, 2147483647.0), false, text);
//size.Width += size2.Width;
double width = Math.Min(maxSize.Width, cellContentSize.Width);
if (((alignment == HorizontalAlignment.Left) || (alignment == HorizontalAlignment.Right)) && (width < (size.Width + indent)))
{
size.Width += indent;
}
return(new Size(Math.Max(width, size.Width), Math.Max(cellContentSize.Height, size.Height)));
}
CellOverflowLayoutModel BuildCellOverflowLayoutModel(int rowIndex)
{
if (!Viewport.Excel.CanCellOverflow)
{
return(null);
}
ColumnLayoutModel viewportColumnLayoutModel = Viewport.Excel.GetViewportColumnLayoutModel(Viewport.ColumnViewportIndex);
if (viewportColumnLayoutModel == null)
{
return(null);
}
object textFormattingMode = null;
bool useLayoutRounding = Viewport.Excel.UseLayoutRounding;
SpanGraph cachedSpanGraph = Viewport.CachedSpanGraph;
CellOverflowLayoutModel result = new CellOverflowLayoutModel();
CellOverflowLayout layout = BuildHeadingCellOverflowLayoutModel(rowIndex, viewportColumnLayoutModel, textFormattingMode, useLayoutRounding);
result.HeadingOverflowlayout = layout;
for (int i = 0; i < viewportColumnLayoutModel.Count; i++)
{
Cell cachedCell;
CellOverflowLayout layout3;
CellOverflowLayout layout5;
ColumnLayout layout2 = viewportColumnLayoutModel[i];
if (layout2.Width > 0.0)
{
cachedCell = Viewport.CellCache.GetCachedCell(rowIndex, layout2.Column);
if ((((cachedCell != null) && !string.IsNullOrEmpty(cachedCell.Text)) && (!cachedCell.ActualWordWrap && !cachedCell.ActualShrinkToFit)) && (cachedSpanGraph.GetState(rowIndex, layout2.Column) == 0))
{
switch (cachedCell.ToHorizontalAlignment())
{
case HorizontalAlignment.Left:
case HorizontalAlignment.Stretch:
{
int deadColumnIndex = Enumerable.Last <ColumnLayout>((IEnumerable <ColumnLayout>)viewportColumnLayoutModel).Column + 1;
CellOverflowLayout item = BuildCellOverflowLayoutModelForLeft(cachedCell, rowIndex, false, deadColumnIndex, textFormattingMode, useLayoutRounding);
if (item != null)
{
result.Add(item);
int index = viewportColumnLayoutModel.IndexOf(viewportColumnLayoutModel.FindColumn(item.EndingColumn));
if (index > -1)
{
i = index;
}
}
break;
}
case HorizontalAlignment.Center:
{
layout3 = new CellOverflowLayout(layout2.Column, 0.0);
int num3 = Enumerable.Last <ColumnLayout>((IEnumerable <ColumnLayout>)viewportColumnLayoutModel).Column + 1;
CellOverflowLayout layout4 = BuildCellOverflowLayoutModelForLeft(cachedCell, rowIndex, true, num3, textFormattingMode, useLayoutRounding);
num3 = viewportColumnLayoutModel[0].Column - 1;
layout5 = BuildCellOverflowLayoutModelForRight(cachedCell, rowIndex, result, true, num3, textFormattingMode, useLayoutRounding);
if (layout4 == null)
{
goto Label_01C1;
}
layout3.EndingColumn = layout4.EndingColumn;
layout3.BackgroundWidth += layout4.BackgroundWidth;
layout3.RightBackgroundWidth = layout4.RightBackgroundWidth;
goto Label_01E0;
}
case HorizontalAlignment.Right:
{
int num6 = viewportColumnLayoutModel[0].Column - 1;
CellOverflowLayout layout7 = BuildCellOverflowLayoutModelForRight(cachedCell, rowIndex, result, false, num6, textFormattingMode, useLayoutRounding);
if (layout7 != null)
{
result.Add(layout7);
}
break;
}
}
}
}
continue;
Label_01C1:
layout3.BackgroundWidth += layout2.Width / 2.0;
Label_01E0:
if (layout5 != null)
{
layout3.StartingColumn = layout5.StartingColumn;
layout3.BackgroundWidth += layout5.BackgroundWidth;
layout3.LeftBackgroundWidth = layout5.LeftBackgroundWidth;
}
else
{
layout3.BackgroundWidth += layout2.Width / 2.0;
}
if (layout3.BackgroundWidth > layout2.Width)
{
Size textSize = MeasureHelper.MeasureTextInCell(cachedCell, new Size(double.PositiveInfinity, double.PositiveInfinity), (double)Viewport.Excel.ZoomFactor, null, textFormattingMode, useLayoutRounding);
layout3.ContentWidth = MeasureHelper.ConvertTextSizeToExcelCellSize(textSize, (double)Viewport.Excel.ZoomFactor).Width;
result.Add(layout3);
}
}
result.TrailingOverflowlayout = BuildTrailingCellOverflowLayoutModel(rowIndex, viewportColumnLayoutModel, result, textFormattingMode, useLayoutRounding);
if (((result.Count <= 0) && (result.HeadingOverflowlayout == null)) && (result.TrailingOverflowlayout == null))
{
return(null);
}
return(result);
}
CellOverflowLayout BuildCellOverflowLayoutModelForRight(Cell bindingCell, int rowIndex, CellOverflowLayoutModel result, bool buildForCenter, int deadColumnIndex, object textFormattingMode, bool useLayoutRounding)
{
ICellsSupport dataContext = Viewport.GetDataContext();
int index = bindingCell.Column.Index;
if (index > deadColumnIndex)
{
Column column = dataContext.Columns[index];
CellLayoutModel cellLayoutModel = Viewport.GetCellLayoutModel();
Column column2 = dataContext.Columns[index - 1];
int num2 = column2.Index;
if ((cellLayoutModel != null) && (cellLayoutModel.FindCell(rowIndex, num2) != null))
{
return(null);
}
Cell cachedCell = Viewport.CellCache.GetCachedCell(rowIndex, num2);
if ((cachedCell != null) && !string.IsNullOrEmpty(cachedCell.Text))
{
return(null);
}
float zoomFactor = Viewport.Excel.ZoomFactor;
Size textSize = MeasureHelper.MeasureTextInCell(bindingCell, new Size(double.PositiveInfinity, double.PositiveInfinity), (double)zoomFactor, null, textFormattingMode, useLayoutRounding);
double width = MeasureHelper.ConvertTextSizeToExcelCellSize(textSize, (double)zoomFactor).Width;
double num5 = column.ActualWidth * zoomFactor;
if (buildForCenter)
{
width /= 2.0;
num5 /= 2.0;
}
double num6 = num5;
if (num6 < width)
{
CellOverflowLayout layout2 = new CellOverflowLayout(column.Index, num6)
{
StartingColumn = column.Index
};
for (int i = index - 1; (i >= 0) && (i >= deadColumnIndex); i--)
{
column2 = dataContext.Columns[i];
num2 = column2.Index;
if ((cellLayoutModel != null) && (cellLayoutModel.FindCell(rowIndex, num2) != null))
{
layout2.BackgroundWidth = num6;
layout2.StartingColumn = dataContext.Columns[i + 1].Index;
break;
}
if (((cachedCell != null) && (result != null)) && result.Contains(column2.Index))
{
layout2.BackgroundWidth = num6;
layout2.StartingColumn = dataContext.Columns[i + 1].Index;
break;
}
cachedCell = Viewport.CellCache.GetCachedCell(rowIndex, num2);
if ((cachedCell != null) && !string.IsNullOrEmpty(cachedCell.Text))
{
layout2.BackgroundWidth = num6;
layout2.StartingColumn = dataContext.Columns[i + 1].Index;
break;
}
num6 += column2.ActualWidth * zoomFactor;
if (((num6 >= width) || (i == 0)) || (i <= deadColumnIndex))
{
layout2.BackgroundWidth = num6;
layout2.StartingColumn = column2.Index;
break;
}
}
if (layout2.StartingColumn != column.Index)
{
layout2.ContentWidth = MeasureHelper.ConvertTextSizeToExcelCellSize(textSize, (double)zoomFactor).Width;
layout2.LeftBackgroundWidth = num6;
return(layout2);
}
}
}
return(null);
}
