Ejemplo n.º 1
0
        /// <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);
        }
Ejemplo n.º 2
0
        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));
        }
Ejemplo n.º 3
0
        /// <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);
        }
Ejemplo n.º 4
0
        /// <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;
        }
Ejemplo n.º 5
0
        /// <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
        }
Ejemplo n.º 6
0
        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;
        }
Ejemplo n.º 7
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        /// <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;
        }
Ejemplo n.º 8
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        /// <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;
            }
        }
Ejemplo n.º 9
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        /// <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
        }