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)));
}
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);
}
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);
}
void ApplyStyle()
{
HorizontalAlignment horAlignment = BindingCell.ToHorizontalAlignment();
if (_tb.HorizontalAlignment != horAlignment)
{
_tb.HorizontalAlignment = horAlignment;
}
// uno绘制Right位置错误，慎用TextAlignment！
//Windows.UI.Xaml.TextAlignment textAlignment;
//switch (horAlignment)
//{
// case HorizontalAlignment.Center:
// textAlignment = Windows.UI.Xaml.TextAlignment.Center;
// break;
// case HorizontalAlignment.Right:
// textAlignment = Windows.UI.Xaml.TextAlignment.Right;
// break;
// default:
// textAlignment = Windows.UI.Xaml.TextAlignment.Left;
// break;
//}
//if (_tb.TextAlignment != textAlignment)
// _tb.TextAlignment = textAlignment;
VerticalAlignment verAlignment;
switch (BindingCell.ActualVerticalAlignment)
{
case CellVerticalAlignment.Top:
verAlignment = VerticalAlignment.Top;
break;
case CellVerticalAlignment.Bottom:
verAlignment = VerticalAlignment.Bottom;
break;
default:
verAlignment = VerticalAlignment.Center;
break;
}
if (_tb.VerticalAlignment != verAlignment)
{
_tb.VerticalAlignment = verAlignment;
}
var foreground = BindingCell.ActualForeground;
if (foreground == null)
{
// 默认黑色
if (_tb.ReadLocalValue(TextBlock.ForegroundProperty) != DependencyProperty.UnsetValue)
{
_tb.ClearValue(TextBlock.ForegroundProperty);
}
}
else if (foreground != _tb.Foreground)
{
_tb.Foreground = foreground;
}
var fontStyle = BindingCell.ActualFontStyle;
if (_tb.FontStyle != fontStyle)
{
_tb.FontStyle = fontStyle;
}
var fontWeight = BindingCell.ActualFontWeight;
if (_tb.FontWeight.Weight != fontWeight.Weight)
{
_tb.FontWeight = fontWeight;
}
var fontFamily = BindingCell.ActualFontFamily;
if (fontFamily != null && _tb.FontFamily.Source != fontFamily.Source)
{
_tb.FontFamily = fontFamily;
}
bool wrap = BindingCell.ActualWordWrap;
TextWrapping textWrap = wrap ? TextWrapping.Wrap : TextWrapping.NoWrap;
if (_tb.TextWrapping != textWrap)
{
_tb.TextWrapping = textWrap;
}
double fontSize = BindingCell.ActualFontSize * ZoomFactor;
double fitZoom = -1;
if (!wrap && BindingCell.ActualShrinkToFit)
{
// 自动缩小字体适应单元格宽度
double textWidth = MeasureHelper.MeasureText(
_tb.Text,
_tb.FontFamily,
fontSize,
_tb.FontStretch,
_tb.FontStyle,
_tb.FontWeight,
new Size(double.PositiveInfinity, double.PositiveInfinity),
false,
null,
_tb.UseLayoutRounding,
ZoomFactor).Width;
double cellWidth = BindingCell.Worksheet.GetActualColumnWidth(BindingCell.Column.Index, BindingCell.ColumnSpan, BindingCell.SheetArea) * ZoomFactor;
cellWidth = MeasureHelper.ConvertExcelCellSizeToTextSize(new Size(cellWidth, double.PositiveInfinity), ZoomFactor).Width;
cellWidth = Math.Max((double)0.0, (double)(cellWidth - BindingCell.ActualTextIndent * ZoomFactor));
if (cellWidth < textWidth)
{
fitZoom = cellWidth / textWidth;
}
}
if (fitZoom > 0)
{
fontSize *= fitZoom;
}
if (_tb.FontSize != fontSize)
{
_tb.FontSize = fontSize;
}
// TextBlock设置Padding时，若Padding左右之和大于Measure时给的Width，uno莫名报错，布局混乱，不易发现！
Thickness margin = new Thickness();
var indent = BindingCell.ActualTextIndent * ZoomFactor;
if (indent > 0 && _tb.HorizontalAlignment != HorizontalAlignment.Center)
{
if (_tb.HorizontalAlignment == HorizontalAlignment.Right)
{
margin.Right += indent;
}
else
{
margin.Left += indent;
}
}
if (_tb.Margin != margin)
{
_tb.Margin = margin;
}
// 未用到
//var fontStretch = BindingCell.ActualFontStretch;
//if (_tb.FontStretch != fontStretch)
// _tb.FontStretch = fontStretch;
if (BindingCell.ActualUnderline)
{
Underline underline = new Underline();
Run run = new Run();
run.Text = _tb.Text;
underline.Inlines.Add(run);
_tb.Inlines.Clear();
_tb.Inlines.Add(underline);
_lastUnderline = true;
}
else if (_lastUnderline)
{
string str = _tb.Text;
_tb.Inlines.Clear();
_tb.Text = str;
}
if (BindingCell.ActualStrikethrough)
{
foreach (UIElement element in (_tb.Parent as Panel).Children)
{
if (element is StrikethroughView)
{
StrikethroughView view = element as StrikethroughView;
if (view.LineContainer != null)
{
foreach (var line in view.LineContainer.Children.OfType <Line>())
{
line.Stroke = _tb.Foreground;
}
}
break;
}
}
}
}