/// <summary>
/// Converts an HTML length into a Css length
/// </summary>
/// <param name="htmlLength"></param>
/// <returns></returns>
private string TranslateLength(string htmlLength)
{
var len = new CssLength(htmlLength);
if (len.HasError)
{
return(htmlLength + "px");
}
return(htmlLength);
}
private float GetAvailableWidth()
{
CssLength cssLength = new CssLength(this.TableBox.Width);
if (cssLength.Number <= 0f)
{
return(this.TableBox.ParentBox.AvailableWidth);
}
this._widthSpecified = true;
if (!cssLength.IsPercentage)
{
return(cssLength.Number);
}
return(CssValue.ParseNumber(cssLength.Length, this.TableBox.ParentBox.AvailableWidth));
}
/// <summary>
/// Gets the available width for the whole table.
/// It also sets the value of <see cref="WidthSpecified" />
/// </summary>
/// <returns></returns>
/// <remarks>
/// The table's width can be larger than the result of this method, because of the minimum
/// size that individual boxes.
/// </remarks>
private float GetAvailableWidth()
{
var tblen = new CssLength(TableBox.Width);
if (tblen.Number > 0)
{
WidthSpecified = true;
if (tblen.IsPercentage)
{
return(CssValue.ParseNumber(tblen.Length, TableBox.ParentBox.AvailableWidth));
}
return(tblen.Number);
}
return(TableBox.ParentBox.AvailableWidth);
}
/// <summary>
/// Ensures that the specified length is converted to pixels if necessary
/// </summary>
/// <param name="length"></param>
private string NoEms(string length)
{
CssLength len = new CssLength(length);
if (len.Unit == CssLength.CssUnit.Ems)
{
length = len.ConvertEmToPixels(GetEmHeight()).ToString();
}
return length;
}
/// <summary>
/// Analyzes the Table and assigns values to this CssTable object.
/// To be called from the constructor
/// </summary>
private void Analyze(Graphics g)
{
float availSpace = GetAvailableWidth();
float availCellSpace = float.NaN; //Will be set later
#region Assign box kinds
foreach (CssBox b in TableBox.Boxes)
{
b.RemoveAnonymousSpaces();
switch (b.Display)
{
case CssConstants.TableCaption:
_caption = b;
break;
case CssConstants.TableColumn:
for (int i = 0; i < GetSpan(b); i++)
{
Columns.Add(CreateColumn(b));
}
break;
case CssConstants.TableColumnGroup:
if (b.Boxes.Count == 0)
{
int gspan = GetSpan(b);
for (int i = 0; i < gspan; i++)
{
Columns.Add(CreateColumn(b));
}
}
else
{
foreach (CssBox bb in b.Boxes)
{
int bbspan = GetSpan(bb);
for (int i = 0; i < bbspan; i++)
{
Columns.Add(CreateColumn(bb));
}
}
}
break;
case CssConstants.TableFooterGroup:
if (FooterBox != null)
{
BodyRows.Add(b);
}
else
{
_footerBox = b;
}
break;
case CssConstants.TableHeaderGroup:
if (HeaderBox != null)
{
BodyRows.Add(b);
}
else
{
_headerBox = b;
}
break;
case CssConstants.TableRow:
BodyRows.Add(b);
break;
case CssConstants.TableRowGroup:
foreach (CssBox bb in b.Boxes)
{
if (b.Display == CssConstants.TableRow)
{
BodyRows.Add(b);
}
}
break;
default:
break;
}
}
#endregion
#region Gather AllRows
if (HeaderBox != null)
{
_allRows.AddRange(HeaderBox.Boxes);
}
_allRows.AddRange(BodyRows);
if (FooterBox != null)
{
_allRows.AddRange(FooterBox.Boxes);
}
#endregion
#region Insert EmptyBoxes for vertical cell spanning
if (!TableBox.TableFixed)
{
int currow = 0;
int curcol = 0;
List <CssBox> rows = BodyRows;
foreach (CssBox row in rows)
{
row.RemoveAnonymousSpaces();
curcol = 0;
for (int k = 0; k < row.Boxes.Count; k++)
{
CssBox cell = row.Boxes[k];
int rowspan = GetRowSpan(cell);
int realcol = GetCellRealColumnIndex(row, cell); //Real column of the cell
for (int i = currow + 1; i < currow + rowspan; i++)
{
int colcount = 0;
for (int j = 0; j <= rows[i].Boxes.Count; j++)
{
if (colcount == realcol)
{
rows[i].Boxes.Insert(colcount, new SpacingBox(TableBox, ref cell, currow));
break;
}
colcount++;
realcol -= GetColSpan(rows[i].Boxes[j]) - 1;
}
} // End for (int i = currow + 1; i < currow + rowspan; i++)
curcol++;
} /// End foreach (Box cell in row.Boxes)
currow++;
} /// End foreach (Box row in rows)
TableBox.TableFixed = true;
} /// End if (!TableBox.TableFixed)
#endregion
#region Determine Row and Column Count, and ColumnWidths
//Rows
_rowCount = BodyRows.Count +
(HeaderBox != null ? HeaderBox.Boxes.Count : 0) +
(FooterBox != null ? FooterBox.Boxes.Count : 0);
//Columns
if (Columns.Count > 0)
{
_columnCount = Columns.Count;
}
else
{
foreach (CssBox b in AllRows) //Check trhough rows
{
_columnCount = Math.Max(_columnCount, b.Boxes.Count);
}
}
//Initialize column widths array
_columnWidths = new float[_columnCount];
//Fill them with NaNs
for (int i = 0; i < _columnWidths.Length; i++)
{
_columnWidths[i] = float.NaN;
}
availCellSpace = GetAvailableCellWidth();
if (Columns.Count > 0)
{
#region Fill ColumnWidths array by scanning column widths
for (int i = 0; i < Columns.Count; i++)
{
CssLength len = new CssLength(Columns[i].Width); //Get specified width
if (len.Number > 0) //If some width specified
{
if (len.IsPercentage) //Get width as a percentage
{
ColumnWidths[i] = CssValue.ParseNumber(Columns[i].Width, availCellSpace);
}
else if (len.Unit == CssLength.CssUnit.Pixels || len.Unit == CssLength.CssUnit.None)
{
ColumnWidths[i] = len.Number; //Get width as an absolute-pixel value
}
}
}
#endregion
}
else
{
#region Fill ColumnWidths array by scanning width in table-cell definitions
foreach (CssBox row in AllRows)
{
//Check for column width in table-cell definitions
for (int i = 0; i < _columnCount; i++)
{
if (float.IsNaN(ColumnWidths[i]) && //Check if no width specified for column
i < row.Boxes.Count && //And there's a box to check
row.Boxes[i].Display == CssConstants.TableCell) //And the box is a table-cell
{
CssLength len = new CssLength(row.Boxes[i].Width); //Get specified width
if (len.Number > 0) //If some width specified
{
int colspan = GetColSpan(row.Boxes[i]);
float flen = 0f;
if (len.IsPercentage)//Get width as a percentage
{
flen = CssValue.ParseNumber(row.Boxes[i].Width, availCellSpace);
}
else if (len.Unit == CssLength.CssUnit.Pixels || len.Unit == CssLength.CssUnit.None)
{
flen = len.Number; //Get width as an absolute-pixel value
}
flen /= Convert.ToSingle(colspan);
for (int j = i; j < i + colspan; j++)
{
ColumnWidths[j] = flen;
}
}
}
}
}
#endregion
}
#endregion
#region Determine missing Column widths
if (WidthSpecified) //If a width was specified,
{
//Assign NaNs equally with space left after gathering not-NaNs
int numberOfNans = 0;
float occupedSpace = 0f;
//Calculate number of NaNs and occuped space
for (int i = 0; i < ColumnWidths.Length; i++)
{
if (float.IsNaN(ColumnWidths[i]))
{
numberOfNans++;
}
else
{
occupedSpace += ColumnWidths[i];
}
}
//Determine width that will be assigned to un asigned widths
float nanWidth = (availCellSpace - occupedSpace) / Convert.ToSingle(numberOfNans);
for (int i = 0; i < ColumnWidths.Length; i++)
{
if (float.IsNaN(ColumnWidths[i]))
{
ColumnWidths[i] = nanWidth;
}
}
}
else
{
//Assign NaNs using full width
float[] _maxFullWidths = new float[ColumnWidths.Length];
//Get the maximum full length of NaN boxes
foreach (CssBox row in AllRows)
{
for (int i = 0; i < row.Boxes.Count; i++)
{
int col = GetCellRealColumnIndex(row, row.Boxes[i]);
if (float.IsNaN(ColumnWidths[col]) &&
i < row.Boxes.Count &&
GetColSpan(row.Boxes[i]) == 1)
{
_maxFullWidths[col] = Math.Max(_maxFullWidths[col], row.Boxes[i].GetFullWidth(g));
}
}
}
for (int i = 0; i < ColumnWidths.Length; i++)
{
if (float.IsNaN(ColumnWidths[i]))
{
ColumnWidths[i] = _maxFullWidths[i];
}
}
}
#endregion
#region Reduce widths if necessary
int curCol = 0;
float reduceAmount = 1f;
//While table width is larger than it should, and width is reductable
while (GetWidthSum() > GetAvailableWidth() && CanReduceWidth())
{
while (!CanReduceWidth(curCol))
{
curCol++;
}
ColumnWidths[curCol] -= reduceAmount;
curCol++;
if (curCol >= ColumnWidths.Length)
{
curCol = 0;
}
}
#endregion
#region Check for minimum sizes (increment widths if necessary)
foreach (CssBox row in AllRows)
{
foreach (CssBox cell in row.Boxes)
{
int colspan = GetColSpan(cell);
int col = GetCellRealColumnIndex(row, cell);
int affectcol = col + colspan - 1;
if (ColumnWidths[col] < ColumnMinWidths[col])
{
float diff = ColumnMinWidths[col] - ColumnWidths[col];
ColumnWidths[affectcol] = ColumnMinWidths[affectcol];
if (col < ColumnWidths.Length - 1)
{
ColumnWidths[col + 1] -= diff;
}
}
}
}
#endregion
#region Set table padding
TableBox.Padding = "0"; //Ensure there's no padding
#endregion
#region Layout cells
//Actually layout cells!
float startx = TableBox.ClientLeft + HorizontalSpacing;
float starty = TableBox.ClientTop + VerticalSpacing;
float curx = startx;
float cury = starty;
float maxRight = startx;
float maxBottom = 0f;
int currentrow = 0;
foreach (CssBox row in AllRows)
{
if (row is CssAnonymousSpaceBlockBox || row is CssAnonymousSpaceBox)
{
continue;
}
curx = startx;
curCol = 0;
foreach (CssBox cell in row.Boxes)
{
if (curCol >= ColumnWidths.Length)
{
break;
}
int rowspan = GetRowSpan(cell);
float width = GetCellWidth(GetCellRealColumnIndex(row, cell), cell);
cell.Location = new PointF(curx, cury);
cell.Size = new SizeF(width, 0f);
cell.MeasureBounds(g); //That will automatically set the bottom of the cell
//Alter max bottom only if row is cell's row + cell's rowspan - 1
SpacingBox sb = cell as SpacingBox;
if (sb != null)
{
if (sb.EndRow == currentrow)
{
maxBottom = Math.Max(maxBottom, sb.ExtendedBox.ActualBottom);
}
}
else if (rowspan == 1)
{
maxBottom = Math.Max(maxBottom, cell.ActualBottom);
}
maxRight = Math.Max(maxRight, cell.ActualRight);
curCol++;
curx = cell.ActualRight + HorizontalSpacing;
}
foreach (CssBox cell in row.Boxes)
{
SpacingBox spacer = cell as SpacingBox;
if (spacer == null && GetRowSpan(cell) == 1)
{
cell.ActualBottom = maxBottom;
CssLayoutEngine.ApplyCellVerticalAlignment(g, cell);
}
else if (spacer != null && spacer.EndRow == currentrow)
{
spacer.ExtendedBox.ActualBottom = maxBottom;
CssLayoutEngine.ApplyCellVerticalAlignment(g, spacer.ExtendedBox);
}
}
cury = maxBottom + VerticalSpacing;
currentrow++;
}
TableBox.ActualRight = maxRight + HorizontalSpacing + TableBox.ActualBorderRightWidth;
TableBox.ActualBottom = maxBottom + VerticalSpacing + TableBox.ActualBorderBottomWidth;
#endregion
}
private void Analyze(Graphics g)
{
int num;
List <CssBox> .Enumerator enumerator;
this.GetAvailableWidth();
float availableCellWidth = float.NaN;
foreach (CssBox box in this.TableBox.Boxes)
{
box.RemoveAnonymousSpaces();
string display = box.Display;
string str = display;
if (display == null)
{
continue;
}
if (_method0x6000713_1 == null)
{
_method0x6000713_1 = new Dictionary <string, int>(7)
{
{ "table-caption", 0 },
{ "table-column", 1 },
{ "table-column-group", 2 },
{ "table-footer-group", 3 },
{ "table-header-group", 4 },
{ "table-row", 5 },
{ "table-row-group", 6 }
};
}
if (!_method0x6000713_1.TryGetValue(str, out num))
{
continue;
}
switch (num)
{
case 0:
{
this._caption = box;
continue;
}
case 1:
{
for (int i = 0; i < this.GetSpan(box); i++)
{
this.Columns.Add(this.CreateColumn(box));
}
continue;
}
case 2:
{
if (box.Boxes.Count != 0)
{
enumerator = box.Boxes.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
CssBox current = enumerator.Current;
int span = this.GetSpan(current);
for (int j = 0; j < span; j++)
{
this.Columns.Add(this.CreateColumn(current));
}
}
continue;
}
finally
{
((IDisposable)enumerator).Dispose();
}
}
else
{
int span1 = this.GetSpan(box);
for (int k = 0; k < span1; k++)
{
this.Columns.Add(this.CreateColumn(box));
}
continue;
}
break;
}
case 3:
{
if (this.FooterBox == null)
{
this._footerBox = box;
continue;
}
else
{
this.BodyRows.Add(box);
continue;
}
}
case 4:
{
if (this.HeaderBox == null)
{
this._headerBox = box;
continue;
}
else
{
this.BodyRows.Add(box);
continue;
}
}
case 5:
{
this.BodyRows.Add(box);
continue;
}
case 6:
{
enumerator = box.Boxes.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
CssBox cssBox = enumerator.Current;
if (box.Display != "table-row")
{
continue;
}
this.BodyRows.Add(box);
}
continue;
}
finally
{
((IDisposable)enumerator).Dispose();
}
break;
}
default:
{
continue;
}
}
}
if (this.HeaderBox != null)
{
this._allRows.AddRange(this.HeaderBox.Boxes);
}
this._allRows.AddRange(this.BodyRows);
if (this.FooterBox != null)
{
this._allRows.AddRange(this.FooterBox.Boxes);
}
if (!this.TableBox.TableFixed)
{
int num1 = 0;
int num2 = 0;
List <CssBox> bodyRows = this.BodyRows;
foreach (CssBox bodyRow in bodyRows)
{
bodyRow.RemoveAnonymousSpaces();
num2 = 0;
for (int l = 0; l < bodyRow.Boxes.Count; l++)
{
CssBox item = bodyRow.Boxes[l];
int rowSpan = this.GetRowSpan(item);
int cellRealColumnIndex = this.GetCellRealColumnIndex(bodyRow, item);
for (int m = num1 + 1; m < num1 + rowSpan; m++)
{
int num3 = 0;
int num4 = 0;
while (num4 <= bodyRows[m].Boxes.Count)
{
if (num3 != cellRealColumnIndex)
{
num3++;
cellRealColumnIndex = cellRealColumnIndex - (this.GetColSpan(bodyRows[m].Boxes[num4]) - 1);
num4++;
}
else
{
bodyRows[m].Boxes.Insert(num3, new CssTable.SpacingBox(this.TableBox, ref item, num1));
break;
}
}
}
num2++;
}
num1++;
}
this.TableBox.TableFixed = true;
}
this._rowCount = this.BodyRows.Count + (this.HeaderBox != null ? this.HeaderBox.Boxes.Count : 0) + (this.FooterBox != null ? this.FooterBox.Boxes.Count : 0);
if (this.Columns.Count <= 0)
{
foreach (CssBox allRow in this.AllRows)
{
this._columnCount = Math.Max(this._columnCount, allRow.Boxes.Count);
}
}
else
{
this._columnCount = this.Columns.Count;
}
this._columnWidths = new float[this._columnCount];
for (int n = 0; n < (int)this._columnWidths.Length; n++)
{
this._columnWidths[n] = float.NaN;
}
availableCellWidth = this.GetAvailableCellWidth();
if (this.Columns.Count <= 0)
{
foreach (CssBox allRow1 in this.AllRows)
{
for (int o = 0; o < this._columnCount; o++)
{
if (float.IsNaN(this.ColumnWidths[o]) && o < allRow1.Boxes.Count && allRow1.Boxes[o].Display == "table-cell")
{
CssLength cssLength = new CssLength(allRow1.Boxes[o].Width);
if (cssLength.Number > 0f)
{
int colSpan = this.GetColSpan(allRow1.Boxes[o]);
float number = 0f;
if (cssLength.IsPercentage)
{
number = CssValue.ParseNumber(allRow1.Boxes[o].Width, availableCellWidth);
}
else if (cssLength.Unit == CssLength.CssUnit.Pixels || cssLength.Unit == CssLength.CssUnit.None)
{
number = cssLength.Number;
}
number = number / Convert.ToSingle(colSpan);
for (int p = o; p < o + colSpan; p++)
{
this.ColumnWidths[p] = number;
}
}
}
}
}
}
else
{
for (int q = 0; q < this.Columns.Count; q++)
{
CssLength cssLength1 = new CssLength(this.Columns[q].Width);
if (cssLength1.Number > 0f)
{
if (cssLength1.IsPercentage)
{
this.ColumnWidths[q] = CssValue.ParseNumber(this.Columns[q].Width, availableCellWidth);
}
else if (cssLength1.Unit == CssLength.CssUnit.Pixels || cssLength1.Unit == CssLength.CssUnit.None)
{
this.ColumnWidths[q] = cssLength1.Number;
}
}
}
}
if (!this.WidthSpecified)
{
float[] singleArray = new float[(int)this.ColumnWidths.Length];
foreach (CssBox cssBox1 in this.AllRows)
{
for (int r = 0; r < cssBox1.Boxes.Count; r++)
{
int cellRealColumnIndex1 = this.GetCellRealColumnIndex(cssBox1, cssBox1.Boxes[r]);
if (float.IsNaN(this.ColumnWidths[cellRealColumnIndex1]) && r < cssBox1.Boxes.Count && this.GetColSpan(cssBox1.Boxes[r]) == 1)
{
singleArray[cellRealColumnIndex1] = Math.Max(singleArray[cellRealColumnIndex1], cssBox1.Boxes[r].GetFullWidth(g));
}
}
}
for (int s = 0; s < (int)this.ColumnWidths.Length; s++)
{
if (float.IsNaN(this.ColumnWidths[s]))
{
this.ColumnWidths[s] = singleArray[s];
}
}
}
else
{
int num5 = 0;
float columnWidths = 0f;
for (int t = 0; t < (int)this.ColumnWidths.Length; t++)
{
if (!float.IsNaN(this.ColumnWidths[t]))
{
columnWidths = columnWidths + this.ColumnWidths[t];
}
else
{
num5++;
}
}
float single = (availableCellWidth - columnWidths) / Convert.ToSingle(num5);
for (int u = 0; u < (int)this.ColumnWidths.Length; u++)
{
if (float.IsNaN(this.ColumnWidths[u]))
{
this.ColumnWidths[u] = single;
}
}
}
int num6 = 0;
float single1 = 1f;
while (this.GetWidthSum() > this.GetAvailableWidth() && this.CanReduceWidth())
{
while (!this.CanReduceWidth(num6))
{
num6++;
}
this.ColumnWidths[num6] = this.ColumnWidths[num6] - single1;
num6++;
if (num6 < (int)this.ColumnWidths.Length)
{
continue;
}
num6 = 0;
}
foreach (CssBox allRow2 in this.AllRows)
{
foreach (CssBox box1 in allRow2.Boxes)
{
int colSpan1 = this.GetColSpan(box1);
int cellRealColumnIndex2 = this.GetCellRealColumnIndex(allRow2, box1);
int num7 = cellRealColumnIndex2 + colSpan1 - 1;
if (this.ColumnWidths[cellRealColumnIndex2] >= this.ColumnMinWidths[cellRealColumnIndex2])
{
continue;
}
float columnMinWidths = this.ColumnMinWidths[cellRealColumnIndex2] - this.ColumnWidths[cellRealColumnIndex2];
this.ColumnWidths[num7] = this.ColumnMinWidths[num7];
if (cellRealColumnIndex2 >= (int)this.ColumnWidths.Length - 1)
{
continue;
}
this.ColumnWidths[cellRealColumnIndex2 + 1] = this.ColumnWidths[cellRealColumnIndex2 + 1] - columnMinWidths;
}
}
this.TableBox.Padding = "0";
float clientLeft = this.TableBox.ClientLeft + this.HorizontalSpacing;
float clientTop = this.TableBox.ClientTop + this.VerticalSpacing;
float actualRight = clientLeft;
float verticalSpacing = clientTop;
float single2 = clientLeft;
float single3 = 0f;
int num8 = 0;
foreach (CssBox cssBox2 in this.AllRows)
{
if (cssBox2 is CssAnonymousSpaceBlockBox || cssBox2 is CssAnonymousSpaceBox)
{
continue;
}
actualRight = clientLeft;
num6 = 0;
foreach (CssBox pointF in cssBox2.Boxes)
{
if (num6 >= (int)this.ColumnWidths.Length)
{
break;
}
int rowSpan1 = this.GetRowSpan(pointF);
float cellWidth = this.GetCellWidth(this.GetCellRealColumnIndex(cssBox2, pointF), pointF);
pointF.Location = new PointF(actualRight, verticalSpacing);
pointF.Size = new SizeF(cellWidth, 0f);
pointF.MeasureBounds(g);
CssTable.SpacingBox spacingBox = pointF as CssTable.SpacingBox;
if (spacingBox != null)
{
if (spacingBox.EndRow == num8)
{
single3 = Math.Max(single3, spacingBox.ExtendedBox.ActualBottom);
}
}
else if (rowSpan1 == 1)
{
single3 = Math.Max(single3, pointF.ActualBottom);
}
single2 = Math.Max(single2, pointF.ActualRight);
num6++;
actualRight = pointF.ActualRight + this.HorizontalSpacing;
}
foreach (CssBox box2 in cssBox2.Boxes)
{
CssTable.SpacingBox spacingBox1 = box2 as CssTable.SpacingBox;
if (spacingBox1 != null || this.GetRowSpan(box2) != 1)
{
if (spacingBox1 == null || spacingBox1.EndRow != num8)
{
continue;
}
spacingBox1.ExtendedBox.ActualBottom = single3;
CssLayoutEngine.ApplyCellVerticalAlignment(g, spacingBox1.ExtendedBox);
}
else
{
box2.ActualBottom = single3;
CssLayoutEngine.ApplyCellVerticalAlignment(g, box2);
}
}
verticalSpacing = single3 + this.VerticalSpacing;
num8++;
}
this.TableBox.ActualRight = single2 + this.HorizontalSpacing + this.TableBox.ActualBorderRightWidth;
this.TableBox.ActualBottom = single3 + this.VerticalSpacing + this.TableBox.ActualBorderBottomWidth;
}
/// <summary>
/// Converts an HTML length into a Css length
/// </summary>
/// <param name="htmlLength"></param>
/// <returns></returns>
private string TranslateLength(string htmlLength)
{
CssLength len = new CssLength(htmlLength);
if (len.HasError)
{
return htmlLength + "px";
}
return htmlLength;
}
/// <summary>
/// Gets the available width for the whole table.
/// It also sets the value of <see cref="WidthSpecified"/>
/// </summary>
/// <returns></returns>
/// <remarks>
/// The table's width can be larger than the result of this method, because of the minimum
/// size that individual boxes.
/// </remarks>
private float GetAvailableWidth()
{
CssLength tblen = new CssLength(TableBox.Width);
if (tblen.Number > 0)
{
_widthSpecified = true;
if (tblen.IsPercentage)
{
return CssValue.ParseNumber(tblen.Length, TableBox.ParentBox.AvailableWidth);
}
else
{
return tblen.Number;
}
}
else
{
return TableBox.ParentBox.AvailableWidth;
}
}
/// <summary>
/// Analyzes the Table and assigns values to this CssTable object.
/// To be called from the constructor
/// </summary>
private void Analyze(Graphics g)
{
float availSpace = GetAvailableWidth();
float availCellSpace = float.NaN; //Will be set later
#region Assign box kinds
foreach (CssBox b in TableBox.Boxes)
{
b.RemoveAnonymousSpaces();
switch (b.Display)
{
case CssConstants.TableCaption:
_caption = b;
break;
case CssConstants.TableColumn:
for (int i = 0; i < GetSpan(b); i++)
{
Columns.Add(CreateColumn(b));
}
break;
case CssConstants.TableColumnGroup:
if (b.Boxes.Count == 0)
{
int gspan = GetSpan(b);
for (int i = 0; i < gspan; i++)
{
Columns.Add(CreateColumn(b));
}
}
else
{
foreach (CssBox bb in b.Boxes)
{
int bbspan = GetSpan(bb);
for (int i = 0; i < bbspan; i++)
{
Columns.Add(CreateColumn(bb));
}
}
}
break;
case CssConstants.TableFooterGroup:
if (FooterBox != null)
BodyRows.Add(b);
else
_footerBox = b;
break;
case CssConstants.TableHeaderGroup:
if (HeaderBox != null)
BodyRows.Add(b);
else
_headerBox = b;
break;
case CssConstants.TableRow:
BodyRows.Add(b);
break;
case CssConstants.TableRowGroup:
foreach (CssBox bb in b.Boxes)
if (b.Display == CssConstants.TableRow)
BodyRows.Add(b);
break;
default:
break;
}
}
#endregion
#region Gather AllRows
if (HeaderBox != null) _allRows.AddRange(HeaderBox.Boxes);
_allRows.AddRange(BodyRows);
if (FooterBox != null) _allRows.AddRange(FooterBox.Boxes);
#endregion
#region Insert EmptyBoxes for vertical cell spanning
if (!TableBox.TableFixed)
{
int currow = 0;
int curcol = 0;
List<CssBox> rows = BodyRows;
foreach (CssBox row in rows)
{
row.RemoveAnonymousSpaces();
curcol = 0;
for(int k = 0; k < row.Boxes.Count ; k++)
{
CssBox cell = row.Boxes[k];
int rowspan = GetRowSpan(cell);
int realcol = GetCellRealColumnIndex(row, cell); //Real column of the cell
for (int i = currow + 1; i < currow + rowspan; i++)
{
int colcount = 0;
for (int j = 0; j <= rows[i].Boxes.Count; j++)
{
if (colcount == realcol)
{
rows[i].Boxes.Insert(colcount, new SpacingBox(TableBox, ref cell, currow));
break;
}
colcount++;
realcol -= GetColSpan(rows[i].Boxes[j]) - 1;
}
} // End for (int i = currow + 1; i < currow + rowspan; i++)
curcol++;
} /// End foreach (Box cell in row.Boxes)
currow++;
} /// End foreach (Box row in rows)
TableBox.TableFixed = true;
} /// End if (!TableBox.TableFixed)
#endregion
#region Determine Row and Column Count, and ColumnWidths
//Rows
_rowCount = BodyRows.Count +
(HeaderBox != null ? HeaderBox.Boxes.Count : 0) +
(FooterBox != null ? FooterBox.Boxes.Count : 0);
//Columns
if (Columns.Count > 0)
_columnCount = Columns.Count;
else
foreach (CssBox b in AllRows) //Check trhough rows
_columnCount = Math.Max(_columnCount, b.Boxes.Count);
//Initialize column widths array
_columnWidths = new float[_columnCount];
//Fill them with NaNs
for (int i = 0; i < _columnWidths.Length; i++)
_columnWidths[i] = float.NaN;
availCellSpace = GetAvailableCellWidth();
if (Columns.Count > 0)
{
#region Fill ColumnWidths array by scanning column widths
for (int i = 0; i < Columns.Count; i++)
{
CssLength len = new CssLength(Columns[i].Width); //Get specified width
if (len.Number > 0) //If some width specified
{
if (len.IsPercentage)//Get width as a percentage
{
ColumnWidths[i] = CssValue.ParseNumber(Columns[i].Width, availCellSpace);
}
else if (len.Unit == CssLength.CssUnit.Pixels || len.Unit == CssLength.CssUnit.None)
{
ColumnWidths[i] = len.Number; //Get width as an absolute-pixel value
}
}
}
#endregion
}
else
{
#region Fill ColumnWidths array by scanning width in table-cell definitions
foreach (CssBox row in AllRows)
{
//Check for column width in table-cell definitions
for (int i = 0; i < _columnCount; i++)
{
if (float.IsNaN(ColumnWidths[i]) && //Check if no width specified for column
i < row.Boxes.Count && //And there's a box to check
row.Boxes[i].Display == CssConstants.TableCell)//And the box is a table-cell
{
CssLength len = new CssLength(row.Boxes[i].Width); //Get specified width
if (len.Number > 0) //If some width specified
{
int colspan = GetColSpan(row.Boxes[i]);
float flen = 0f;
if (len.IsPercentage)//Get width as a percentage
{
flen = CssValue.ParseNumber(row.Boxes[i].Width, availCellSpace);
}
else if (len.Unit == CssLength.CssUnit.Pixels || len.Unit == CssLength.CssUnit.None)
{
flen = len.Number; //Get width as an absolute-pixel value
}
flen /= Convert.ToSingle(colspan);
for (int j = i; j < i + colspan; j++)
{
ColumnWidths[j] = flen;
}
}
}
}
}
#endregion
}
#endregion
#region Determine missing Column widths
if (WidthSpecified) //If a width was specified,
{
//Assign NaNs equally with space left after gathering not-NaNs
int numberOfNans = 0;
float occupedSpace = 0f;
//Calculate number of NaNs and occuped space
for (int i = 0; i < ColumnWidths.Length; i++)
if (float.IsNaN(ColumnWidths[i]))
numberOfNans++;
else
occupedSpace += ColumnWidths[i];
//Determine width that will be assigned to un asigned widths
float nanWidth = (availCellSpace - occupedSpace) / Convert.ToSingle(numberOfNans);
for (int i = 0; i < ColumnWidths.Length; i++)
if (float.IsNaN(ColumnWidths[i]))
ColumnWidths[i] = nanWidth;
}
else
{
//Assign NaNs using full width
float[] _maxFullWidths = new float[ColumnWidths.Length];
//Get the maximum full length of NaN boxes
foreach (CssBox row in AllRows)
{
for (int i = 0; i < row.Boxes.Count; i++)
{
int col = GetCellRealColumnIndex(row, row.Boxes[i]);
if (float.IsNaN(ColumnWidths[col]) &&
i < row.Boxes.Count &&
GetColSpan(row.Boxes[i]) == 1)
{
_maxFullWidths[col] = Math.Max(_maxFullWidths[col], row.Boxes[i].GetFullWidth(g));
}
}
}
for (int i = 0; i < ColumnWidths.Length; i++)
if (float.IsNaN(ColumnWidths[i]))
ColumnWidths[i] = _maxFullWidths[i];
}
#endregion
#region Reduce widths if necessary
int curCol = 0;
float reduceAmount = 1f;
//While table width is larger than it should, and width is reductable
while (GetWidthSum() > GetAvailableWidth() && CanReduceWidth())
{
while (!CanReduceWidth(curCol)) curCol++;
ColumnWidths[curCol] -= reduceAmount;
curCol++;
if (curCol >= ColumnWidths.Length) curCol = 0;
}
#endregion
#region Check for minimum sizes (increment widths if necessary)
foreach (CssBox row in AllRows)
{
foreach (CssBox cell in row.Boxes)
{
int colspan = GetColSpan(cell);
int col = GetCellRealColumnIndex(row, cell);
int affectcol = col + colspan - 1;
if (ColumnWidths[col] < ColumnMinWidths[col])
{
float diff = ColumnMinWidths[col] - ColumnWidths[col];
ColumnWidths[affectcol] = ColumnMinWidths[affectcol];
if (col < ColumnWidths.Length - 1)
{
ColumnWidths[col + 1] -= diff;
}
}
}
}
#endregion
#region Set table padding
TableBox.Padding = "0"; //Ensure there's no padding
#endregion
#region Layout cells
//Actually layout cells!
float startx = TableBox.ClientLeft + HorizontalSpacing;
float starty = TableBox.ClientTop + VerticalSpacing;
float curx = startx;
float cury = starty;
float maxRight = startx;
float maxBottom = 0f;
int currentrow = 0;
foreach (CssBox row in AllRows)
{
if (row is CssAnonymousSpaceBlockBox || row is CssAnonymousSpaceBox) continue;
curx = startx;
curCol = 0;
foreach (CssBox cell in row.Boxes)
{
if (curCol >= ColumnWidths.Length) break;
int rowspan = GetRowSpan(cell);
float width = GetCellWidth(GetCellRealColumnIndex(row, cell), cell);
cell.Location = new PointF(curx, cury);
cell.Size = new SizeF(width, 0f);
cell.MeasureBounds(g); //That will automatically set the bottom of the cell
//Alter max bottom only if row is cell's row + cell's rowspan - 1
SpacingBox sb = cell as SpacingBox;
if (sb != null)
{
if (sb.EndRow == currentrow)
{
maxBottom = Math.Max(maxBottom, sb.ExtendedBox.ActualBottom);
}
}
else if(rowspan == 1)
{
maxBottom = Math.Max(maxBottom, cell.ActualBottom);
}
maxRight = Math.Max(maxRight, cell.ActualRight);
curCol++;
curx = cell.ActualRight + HorizontalSpacing;
}
foreach (CssBox cell in row.Boxes)
{
SpacingBox spacer = cell as SpacingBox;
if (spacer == null && GetRowSpan(cell) == 1)
{
cell.ActualBottom = maxBottom;
CssLayoutEngine.ApplyCellVerticalAlignment(g, cell);
}
else if(spacer != null && spacer.EndRow == currentrow)
{
spacer.ExtendedBox.ActualBottom = maxBottom;
CssLayoutEngine.ApplyCellVerticalAlignment(g, spacer.ExtendedBox);
}
}
cury = maxBottom + VerticalSpacing;
currentrow++;
}
TableBox.ActualRight = maxRight + HorizontalSpacing + TableBox.ActualBorderRightWidth;
TableBox.ActualBottom = maxBottom + VerticalSpacing + TableBox.ActualBorderBottomWidth;
#endregion
}