/**
* Calculates the target width. First checks:
* <ol>
* <li>if the attribute or style "width" is found in the given tag and it is not wider than pageWidth - outerWidth, then the
* targetWidth = width value</li>
* <li>if the columnWidths array in total is not wider than pageWidth - outerWidth, then the
* targetWidth = the total of the columnWidths array</li>
* <li>if table's parent is a root tag or table has no parent, then the
* targetWidth = width of the page - outerWidth
* {@link Table#getTableOuterWidth(Tag, float)}.</li>
* </ol>
* If none of the above is true, the width of the table is set to its
* default with the columnWidths array.
*
* @param tag containing attributes and css.
* @param columnWidths float[] containing the widest lines of text found in
* the columns.
* @param outerWidth width needed for margins and borders.
* @param ctx
* @return float the target width of a table.
* @throws NoCustomContextException
*/
private float CalculateTargetWidth(Tag tag, float[] columnWidths, float outerWidth,
IWorkerContext ctx)
{
float targetWidth = 0;
HtmlPipelineContext htmlPipelineContext = GetHtmlPipelineContext(ctx);
float max = htmlPipelineContext.GetPageSize().Width - outerWidth;
float start = GetTableWidth(columnWidths, 0);
if (tag.Attributes.ContainsKey(CSS.Property.WIDTH) || tag.CSS.ContainsKey(CSS.Property.WIDTH))
{
targetWidth = new WidthCalculator().GetWidth(tag, htmlPipelineContext.GetRootTags(), htmlPipelineContext
.GetPageSize().Width);
if (targetWidth > max)
{
targetWidth = max;
}
}
else if (start <= max)
{
targetWidth = start;
}
else if (null == tag.Parent ||
(null != tag.Parent && htmlPipelineContext.GetRootTags().Contains(tag.Parent.Name)))
{
targetWidth = max;
}
else /*
* this table is an inner table and width adjustment is done in
* outer table
*/
{
targetWidth = GetTableWidth(columnWidths, outerWidth);
}
return(targetWidth);
}
/* (non-Javadoc)
* @see com.itextpdf.tool.xml.css.CssApplier#apply(com.itextpdf.text.Element, com.itextpdf.tool.xml.Tag)
*/
public LineSeparator Apply(LineSeparator ls, Tag t)
{
float lineWidth = 1;
IDictionary <String, String> css = t.CSS;
if (css.ContainsKey(CSS.Property.HEIGHT))
{
lineWidth = CssUtils.GetInstance().ParsePxInCmMmPcToPt(css[CSS.Property.HEIGHT]);
}
ls.LineWidth = lineWidth;
BaseColor lineColor = BaseColor.BLACK;
if (css.ContainsKey(CSS.Property.COLOR))
{
lineColor = HtmlUtilities.DecodeColor(css[CSS.Property.COLOR]);
}
else if (css.ContainsKey(CSS.Property.BACKGROUND_COLOR))
{
lineColor = HtmlUtilities.DecodeColor(css[CSS.Property.BACKGROUND_COLOR]);
}
ls.LineColor = lineColor;
float percentage = 100;
String widthStr;
css.TryGetValue(CSS.Property.WIDTH, out widthStr);
if (widthStr != null)
{
if (widthStr.Contains("%"))
{
percentage = float.Parse(widthStr.Replace("%", ""), CultureInfo.InvariantCulture);
}
else
{
percentage = (CssUtils.GetInstance().ParsePxInCmMmPcToPt(widthStr) / configuration.GetPageSize().Width) * 100;
}
}
ls.Percentage = percentage;
ls.Offset = 9;
return(ls);
}
/*
* (non-Javadoc)
*
* @see
* com.itextpdf.tool.xml.ITagProcessor#endElement(com.itextpdf.tool.xml.Tag,
* java.util.List, com.itextpdf.text.Document)
*/
public override IList <IElement> End(IWorkerContext ctx, Tag tag, IList <IElement> currentContent)
{
try {
int numberOfColumns = 0;
List <TableRowElement> tableRows = new List <TableRowElement>(currentContent.Count);
IList <IElement> invalidRowElements = new List <IElement>(1);
String repeatHeader;
tag.CSS.TryGetValue(CSS.Property.REPEAT_HEADER, out repeatHeader);
String repeatFooter;
tag.CSS.TryGetValue(CSS.Property.REPEAT_FOOTER, out repeatFooter);
int headerRows = 0;
int footerRows = 0;
foreach (IElement e in currentContent)
{
int localNumCols = 0;
if (e is TableRowElement)
{
TableRowElement tableRowElement = (TableRowElement)e;
foreach (HtmlCell cell in tableRowElement.Content)
{
localNumCols += cell.Colspan;
}
if (localNumCols > numberOfColumns)
{
numberOfColumns = localNumCols;
}
tableRows.Add(tableRowElement);
if (repeatHeader != null && Util.EqualsIgnoreCase(repeatHeader, "yes") && tableRowElement.RowPlace.Equals(TableRowElement.Place.HEADER))
{
headerRows++;
}
if (repeatFooter != null && Util.EqualsIgnoreCase(repeatFooter, "yes") && tableRowElement.RowPlace.Equals(TableRowElement.Place.FOOTER))
{
footerRows++;
}
}
else
{
invalidRowElements.Add(e);
}
}
if (repeatFooter == null || !Util.EqualsIgnoreCase(repeatFooter, "yes"))
{
InsertionSort <TableRowElement>(tableRows, delegate(TableRowElement o1, TableRowElement o2) {
return(o1.RowPlace.Normal.CompareTo(o2.RowPlace.Normal));
});
}
else
{
InsertionSort <TableRowElement>(tableRows, delegate(TableRowElement o1, TableRowElement o2) {
return(o1.RowPlace.Repeated.CompareTo(o2.RowPlace.Repeated));
});
}
PdfPTable table = new PdfPTable(numberOfColumns);
table.HeaderRows = headerRows + footerRows;
table.FooterRows = footerRows;
TableStyleValues styleValues = SetStyleValues(tag);
table.TableEvent = new TableBorderEvent(styleValues);
SetVerticalMargin(table, tag, styleValues, ctx);
WidenLastCell(tableRows, styleValues.HorBorderSpacing);
float[] columnWidths = new float[numberOfColumns];
float[] widestWords = new float[numberOfColumns];
float[] fixedWidths = new float[numberOfColumns];
int[] rowspanValue = new int[numberOfColumns];
float largestColumn = 0;
int indexOfLargestColumn = 0;
// Initial fill of the widths arrays
foreach (TableRowElement row in tableRows)
{
int column = 0;
foreach (HtmlCell cell in row.Content)
{
// check whether the current column should be skipped due to a
// rowspan value of higher cell in this column.
while (rowspanValue[column] > 1)
{
rowspanValue[column] = rowspanValue[column] - 1;
++column;
}
// sets a rowspan counter for current column (counter not
// needed for last column).
if (cell.Rowspan > 1 && column != numberOfColumns - 1)
{
rowspanValue[column] = cell.Rowspan - 1;
}
int colspan = cell.Colspan;
if (cell.FixedWidth != 0)
{
float fixedWidth = cell.FixedWidth + GetCellStartWidth(cell);
fixedWidth /= colspan;
for (int i = 0; i < colspan; i++)
{
int c = column + i;
if (fixedWidth > fixedWidths[c])
{
fixedWidths[c] = fixedWidth;
columnWidths[c] = fixedWidth;
}
}
}
if (cell.CompositeElements != null)
{
float[] widthValues = SetCellWidthAndWidestWord(cell);
float cellWidth = widthValues[0] / colspan;
float widestWordOfCell = widthValues[1] / colspan;
for (int i = 0; i < colspan; i++)
{
int c = column + i;
if (fixedWidths[c] == 0 && cellWidth > columnWidths[c])
{
columnWidths[c] = cellWidth;
if (cellWidth > largestColumn)
{
largestColumn = cellWidth;
indexOfLargestColumn = c;
}
}
if (widestWordOfCell > widestWords[c])
{
widestWords[c] = widestWordOfCell;
}
}
}
if (colspan > 1)
{
if (LOG.IsLogging(Level.TRACE))
{
LOG.Trace(String.Format(LocaleMessages.GetInstance().GetMessage(LocaleMessages.COLSPAN), colspan));
}
column += colspan - 1;
}
column++;
}
}
float outerWidth = GetTableOuterWidth(tag, styleValues.HorBorderSpacing, ctx);
float initialTotalWidth = GetTableWidth(columnWidths, 0);
// float targetWidth = calculateTargetWidth(tag, columnWidths, outerWidth, ctx);
float targetWidth = 0;
HtmlPipelineContext htmlPipelineContext = GetHtmlPipelineContext(ctx);
float max = htmlPipelineContext.GetPageSize().Width - outerWidth;
bool tableWidthFixed = false;
if (tag.Attributes.ContainsKey(CSS.Property.WIDTH) || tag.CSS.ContainsKey(CSS.Property.WIDTH))
{
targetWidth = new WidthCalculator().GetWidth(tag, htmlPipelineContext.GetRootTags(), htmlPipelineContext.GetPageSize().Width);
if (targetWidth > max)
{
targetWidth = max;
}
tableWidthFixed = true;
}
else if (initialTotalWidth <= max)
{
targetWidth = initialTotalWidth;
}
else if (null == tag.Parent || (null != tag.Parent && htmlPipelineContext.GetRootTags().Contains(tag.Parent.Name)))
{
targetWidth = max;
}
else /* this table is an inner table and width adjustment is done in outer table */
{
targetWidth = GetTableWidth(columnWidths, outerWidth);
}
float totalFixedColumnWidth = GetTableWidth(fixedWidths, 0);
float targetPercentage = 0;
if (totalFixedColumnWidth == initialTotalWidth) // all column widths are fixed
{
targetPercentage = targetWidth / initialTotalWidth;
if (initialTotalWidth > targetWidth)
{
for (int column = 0; column < columnWidths.Length; column++)
{
columnWidths[column] *= targetPercentage;
}
}
else if (tableWidthFixed && targetPercentage != 1)
{
for (int column = 0; column < columnWidths.Length; column++)
{
columnWidths[column] *= targetPercentage;
}
}
}
else
{
targetPercentage = (targetWidth - totalFixedColumnWidth) / (initialTotalWidth - totalFixedColumnWidth);
// Reduce width of columns if the columnWidth array + borders +
// paddings
// is too large for the given targetWidth.
if (initialTotalWidth > targetWidth)
{
float leftToReduce = 0;
for (int column = 0; column < columnWidths.Length; column++)
{
if (fixedWidths[column] == 0)
{
// Reduce width of the column to its targetWidth, if
// widestWord of column still fits in the targetWidth of
// the
// column.
if (widestWords[column] <= columnWidths[column] * targetPercentage)
{
columnWidths[column] *= targetPercentage;
// else take the widest word and calculate space
// left to
// reduce.
}
else
{
columnWidths[column] = widestWords[column];
leftToReduce += widestWords[column] - columnWidths[column] * targetPercentage;
}
// if widestWord of a column does not fit in the
// fixedWidth,
// set the column width to the widestWord.
}
else if (fixedWidths[column] < widestWords[column])
{
columnWidths[column] = widestWords[column];
leftToReduce += widestWords[column] - fixedWidths[column];
}
}
if (leftToReduce != 0)
{
// Reduce width of the column with the most text, if its
// widestWord still fits in the reduced column.
if (widestWords[indexOfLargestColumn] <= columnWidths[indexOfLargestColumn] - leftToReduce)
{
columnWidths[indexOfLargestColumn] -= leftToReduce;
}
else // set all columns to their minimum, with the
// widestWord array.
{
for (int column = 0; leftToReduce != 0 && column < columnWidths.Length; column++)
{
if (fixedWidths[column] == 0 && columnWidths[column] > widestWords[column])
{
float difference = columnWidths[column] - widestWords[column];
if (difference <= leftToReduce)
{
leftToReduce -= difference;
columnWidths[column] = widestWords[column];
}
else
{
columnWidths[column] -= leftToReduce;
leftToReduce = 0;
}
}
}
if (leftToReduce != 0)
{
// If the table has an insufficient fixed width
// by
// an
// attribute or style, try to enlarge the table
// to
// its
// minimum width (= widestWords array).
float pageWidth = GetHtmlPipelineContext(ctx).GetPageSize().Width;
if (GetTableWidth(widestWords, outerWidth) < pageWidth)
{
targetWidth = GetTableWidth(widestWords, outerWidth);
leftToReduce = 0;
}
else
{
// If all columnWidths are set to the
// widestWordWidths and the table is still
// to
// wide
// content will fall off the edge of a page,
// which
// is similar to HTML.
targetWidth = pageWidth - outerWidth;
leftToReduce = 0;
}
}
}
}
// Enlarge width of columns to fit the targetWidth.
}
else if (initialTotalWidth < targetWidth)
{
for (int column = 0; column < columnWidths.Length; column++)
{
if (fixedWidths[column] == 0)
{
columnWidths[column] *= targetPercentage;
}
}
}
}
try {
table.SetTotalWidth(columnWidths);
table.LockedWidth = true;
table.DefaultCell.Border = Rectangle.NO_BORDER;
} catch (DocumentException e) {
throw new RuntimeWorkerException(LocaleMessages.GetInstance().GetMessage(LocaleMessages.NO_CUSTOM_CONTEXT), e);
}
foreach (TableRowElement row in tableRows)
{
int columnNumber = -1;
foreach (HtmlCell cell in row.Content)
{
columnNumber += cell.Colspan;
IList <IElement> compositeElements = cell.CompositeElements;
if (compositeElements != null)
{
foreach (IElement baseLevel in compositeElements)
{
if (baseLevel is PdfPTable)
{
TableStyleValues cellValues = cell.CellValues;
float totalBordersWidth = cellValues.IsLastInRow ? styleValues.HorBorderSpacing * 2
: styleValues.HorBorderSpacing;
totalBordersWidth += cellValues.BorderWidthLeft + cellValues.BorderWidthRight;
float columnWidth = columnWidths[columnNumber];
IPdfPTableEvent tableEvent = ((PdfPTable)baseLevel).TableEvent;
TableStyleValues innerStyleValues = ((TableBorderEvent)tableEvent).TableStyleValues;
totalBordersWidth += innerStyleValues.BorderWidthLeft;
totalBordersWidth += innerStyleValues.BorderWidthRight;
((PdfPTable)baseLevel).TotalWidth = columnWidth - totalBordersWidth;
}
}
}
table.AddCell(cell);
}
table.CompleteRow();
}
List <IElement> elems = new List <IElement>();
if (invalidRowElements.Count > 0)
{
// all invalid row elements taken as caption
int i = 0;
Tag captionTag = tag.Children[i++];
while (!Util.EqualsIgnoreCase(captionTag.Name, HTML.Tag.CAPTION) && i < tag.Children.Count)
{
captionTag = tag.Children[i];
i++;
}
String captionSideValue;
captionTag.CSS.TryGetValue(CSS.Property.CAPTION_SIDE, out captionSideValue);
if (captionSideValue != null && Util.EqualsIgnoreCase(captionSideValue, CSS.Value.BOTTOM))
{
elems.Add(table);
elems.AddRange(invalidRowElements);
}
else
{
elems.AddRange(invalidRowElements);
elems.Add(table);
}
}
else
{
elems.Add(table);
}
return(elems);
} catch (NoCustomContextException e) {
throw new RuntimeWorkerException(LocaleMessages.GetInstance().GetMessage(LocaleMessages.NO_CUSTOM_CONTEXT), e);
}
}
/*
* (non-Javadoc)
*
* @see
* com.itextpdf.tool.xml.css.CssApplier#apply(com.itextpdf.text.Element,
* com.itextpdf.tool.xml.Tag)
*/
public HtmlCell Apply(HtmlCell cell, Tag t)
{
TableStyleValues values = new TableStyleValues();
Tag table = t.Parent;
while (!table.Name.Equals("table"))
{
table = table.Parent;
}
String border;
table.Attributes.TryGetValue(CSS.Property.BORDER, out border);
if (border != null && !border.Equals("0"))
{
values.BorderColor = BaseColor.BLACK;
values.BorderWidth = 0.75f;
}
IDictionary <String, String> css = t.CSS;
String emptyCells;
css.TryGetValue(CSS.Property.EMPTY_CELLS, out emptyCells);
if (null != emptyCells && Util.EqualsIgnoreCase(CSS.Value.HIDE, emptyCells) && cell.CompositeElements == null)
{
cell.Border = Rectangle.NO_BORDER;
}
else
{
cell.VerticalAlignment = Element.ALIGN_MIDDLE; // Default css behavior. Implementation of "vertical-align" style further along.
if (t.Attributes.ContainsKey(HTML.Attribute.WIDTH) || css.ContainsKey(HTML.Attribute.WIDTH))
{
cell.FixedWidth = new WidthCalculator().GetWidth(t, configuration.GetRootTags(), configuration.GetPageSize().Width);
}
String colspan;
t.Attributes.TryGetValue(HTML.Attribute.COLSPAN, out colspan);
if (null != colspan)
{
cell.Colspan = int.Parse(colspan);
}
String rowspan;
t.Attributes.TryGetValue(HTML.Attribute.ROWSPAN, out rowspan);
if (null != rowspan)
{
cell.Rowspan = int.Parse(rowspan);
}
foreach (KeyValuePair <String, String> entry in css)
{
String key = entry.Key;
String value = entry.Value;
cell.UseBorderPadding = true;
if (Util.EqualsIgnoreCase(key, CSS.Property.HEIGHT))
{
cell.MinimumHeight = utils.ParsePxInCmMmPcToPt(value);
}
else if (Util.EqualsIgnoreCase(key, CSS.Property.BACKGROUND_COLOR))
{
values.Background = HtmlUtilities.DecodeColor(value);
}
else if (Util.EqualsIgnoreCase(key, CSS.Property.VERTICAL_ALIGN))
{
if (Util.EqualsIgnoreCase(value, CSS.Value.TOP))
{
cell.VerticalAlignment = Element.ALIGN_TOP;
cell.PaddingTop = cell.PaddingTop + 6;
}
else if (Util.EqualsIgnoreCase(value, CSS.Value.BOTTOM))
{
cell.VerticalAlignment = Element.ALIGN_BOTTOM;
cell.PaddingBottom = cell.PaddingBottom + 6;
}
}
else if (key.Contains(CSS.Property.BORDER))
{
if (key.Contains(CSS.Value.TOP))
{
SetTopOfBorder(cell, key, value, values);
}
else if (key.Contains(CSS.Value.BOTTOM))
{
SetBottomOfBorder(cell, key, value, values);
}
else if (key.Contains(CSS.Value.LEFT))
{
SetLeftOfBorder(cell, key, value, values);
}
else if (key.Contains(CSS.Value.RIGHT))
{
SetRightOfBorder(cell, key, value, values);
}
}
else if (key.Contains(CSS.Property.CELLPADDING) || key.Contains(CSS.Property.PADDING))
{
if (key.Contains(CSS.Value.TOP))
{
cell.PaddingTop = cell.PaddingTop + utils.ParsePxInCmMmPcToPt(value);
}
else if (key.Contains(CSS.Value.BOTTOM))
{
cell.PaddingBottom = cell.PaddingBottom + utils.ParsePxInCmMmPcToPt(value);
}
else if (key.Contains(CSS.Value.LEFT))
{
cell.PaddingLeft = cell.PaddingLeft + utils.ParsePxInCmMmPcToPt(value);
}
else if (key.Contains(CSS.Value.RIGHT))
{
cell.PaddingRight = cell.PaddingRight + utils.ParsePxInCmMmPcToPt(value);
}
}
else if (key.Contains(CSS.Property.TEXT_ALIGN))
{
if (Util.EqualsIgnoreCase(value, CSS.Value.LEFT))
{
cell.HorizontalAlignment = Element.ALIGN_LEFT;
}
else if (Util.EqualsIgnoreCase(value, CSS.Value.CENTER))
{
cell.HorizontalAlignment = Element.ALIGN_CENTER;
}
else if (Util.EqualsIgnoreCase(value, CSS.Value.RIGHT))
{
cell.HorizontalAlignment = Element.ALIGN_RIGHT;
}
}
}
float horSpacing = new Table().GetBorderOrCellSpacing(true, table.CSS, table.Attributes);
float verSpacing = new Table().GetBorderOrCellSpacing(false, table.CSS, table.Attributes);
values.HorBorderSpacing = horSpacing;
values.VerBorderSpacing = verSpacing;
cell.PaddingLeft = cell.PaddingLeft + horSpacing + values.BorderWidthLeft;
cell.PaddingRight = cell.PaddingRight + values.BorderWidthRight;
cell.PaddingTop = cell.PaddingTop + verSpacing + values.BorderWidthTop;
cell.PaddingBottom = cell.PaddingBottom + values.BorderWidthBottom + 1;
}
cell.Border = Rectangle.NO_BORDER;
cell.CellEvent = new CellSpacingEvent(values);
cell.CellValues = values;
return(cell);
}