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/*
* $Id: PdfPTable.java 4847 2011-05-05 19:46:13Z redlab_b $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2011 1T3XT BVBA
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
* 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.pdf;
import java.util.ArrayList;
import java.util.List;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.ElementListener;
import com.itextpdf.text.Image;
import com.itextpdf.text.LargeElement;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.events.PdfPTableEventForwarder;
/**
* This is a table that can be put at an absolute position but can also
* be added to the document as the class Table.
*
* A PdfPTableEvent can be associated to the table to do custom drawing
* when the table is rendered.
* @author Paulo Soares
*/
public class PdfPTable implements LargeElement{
/**
* The index of the original PdfcontentByte.
*/
public static final int BASECANVAS = 0;
/**
* The index of the duplicate PdfContentByte where the background will be drawn.
*/
public static final int BACKGROUNDCANVAS = 1;
/**
* The index of the duplicate PdfContentByte where the border lines will be drawn.
*/
public static final int LINECANVAS = 2;
/**
* The index of the duplicate PdfContentByte where the text will be drawn.
*/
public static final int TEXTCANVAS = 3;
protected ArrayList rows = new ArrayList();
protected float totalHeight = 0;
protected PdfPCell currentRow[];
/**
* The current column index.
* @since 5.1.0 renamed from currentRowIdx
*/
protected int currentColIdx = 0;
protected PdfPCell defaultCell = new PdfPCell((Phrase)null);
protected float totalWidth = 0;
protected float relativeWidths[];
protected float absoluteWidths[];
protected PdfPTableEvent tableEvent;
/**
* Holds value of property headerRows.
*/
protected int headerRows;
/**
* Holds value of property widthPercentage.
*/
protected float widthPercentage = 80;
/**
* Holds value of property horizontalAlignment.
*/
private int horizontalAlignment = Element.ALIGN_CENTER;
/**
* Holds value of property skipFirstHeader.
*/
private boolean skipFirstHeader = false;
/**
* Holds value of property skipLastFooter.
* @since 2.1.6
*/
private boolean skipLastFooter = false;
protected boolean isColspan = false;
protected int runDirection = PdfWriter.RUN_DIRECTION_DEFAULT;
/**
* Holds value of property lockedWidth.
*/
private boolean lockedWidth = false;
/**
* Holds value of property splitRows.
*/
private boolean splitRows = true;
/**
* The spacing before the table.
*/
protected float spacingBefore;
/**
* The spacing after the table.
*/
protected float spacingAfter;
/**
* Holds value of property extendLastRow.
*/
private boolean[] extendLastRow = { false, false };
/**
* Holds value of property headersInEvent.
*/
private boolean headersInEvent;
/**
* Holds value of property splitLate.
*/
private boolean splitLate = true;
/**
* Defines if the table should be kept
* on one page if possible
*/
private boolean keepTogether;
/**
* Indicates if the PdfPTable is complete once added to the document.
*
* @since iText 2.0.8
*/
protected boolean complete = true;
/**
* Holds value of property footerRows.
*/
private int footerRows;
/**
* Keeps track of the completeness of the current row.
* @since 2.1.6
*/
protected boolean rowCompleted = true;
protected PdfPTable() {
}
/**
* Constructs a PdfPTable with the relative column widths.
*
* @param relativeWidths the relative column widths
*/
public PdfPTable(final float relativeWidths[]) {
if (relativeWidths == null)
throw new NullPointerException(MessageLocalization.getComposedMessage("the.widths.array.in.pdfptable.constructor.can.not.be.null"));
if (relativeWidths.length == 0)
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("the.widths.array.in.pdfptable.constructor.can.not.have.zero.length"));
this.relativeWidths = new float[relativeWidths.length];
System.arraycopy(relativeWidths, 0, this.relativeWidths, 0, relativeWidths.length);
absoluteWidths = new float[relativeWidths.length];
calculateWidths();
currentRow = new PdfPCell[absoluteWidths.length];
keepTogether = false;
}
/**
* Constructs a PdfPTable with numColumns columns.
*
* @param numColumns the number of columns
*/
public PdfPTable(final int numColumns) {
if (numColumns <= 0)
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("the.number.of.columns.in.pdfptable.constructor.must.be.greater.than.zero"));
relativeWidths = new float[numColumns];
for (int k = 0; k < numColumns; ++k)
relativeWidths[k] = 1;
absoluteWidths = new float[relativeWidths.length];
calculateWidths();
currentRow = new PdfPCell[absoluteWidths.length];
keepTogether = false;
}
/**
* Constructs a copy of a PdfPTable.
*
* @param table the PdfPTable to be copied
*/
public PdfPTable(final PdfPTable table) {
copyFormat(table);
for (int k = 0; k < currentRow.length; ++k) {
if (table.currentRow[k] == null)
break;
currentRow[k] = new PdfPCell(table.currentRow[k]);
}
for (int k = 0; k < table.rows.size(); ++k) {
PdfPRow row = table.rows.get(k);
if (row != null)
row = new PdfPRow(row);
rows.add(row);
}
}
/**
* Makes a shallow copy of a table (format without content).
*
* @param table
* @return a shallow copy of the table
*/
public static PdfPTable shallowCopy(final PdfPTable table) {
PdfPTable nt = new PdfPTable();
nt.copyFormat(table);
return nt;
}
/**
* Copies the format of the sourceTable without copying the content.
*
* @param sourceTable
* @since 2.1.6 private is now protected
*/
protected void copyFormat(final PdfPTable sourceTable) {
relativeWidths = new float[sourceTable.getNumberOfColumns()];
absoluteWidths = new float[sourceTable.getNumberOfColumns()];
System.arraycopy(sourceTable.relativeWidths, 0, relativeWidths, 0, getNumberOfColumns());
System.arraycopy(sourceTable.absoluteWidths, 0, absoluteWidths, 0, getNumberOfColumns());
totalWidth = sourceTable.totalWidth;
totalHeight = sourceTable.totalHeight;
currentColIdx = 0;
tableEvent = sourceTable.tableEvent;
runDirection = sourceTable.runDirection;
defaultCell = new PdfPCell(sourceTable.defaultCell);
currentRow = new PdfPCell[sourceTable.currentRow.length];
isColspan = sourceTable.isColspan;
splitRows = sourceTable.splitRows;
spacingAfter = sourceTable.spacingAfter;
spacingBefore = sourceTable.spacingBefore;
headerRows = sourceTable.headerRows;
footerRows = sourceTable.footerRows;
lockedWidth = sourceTable.lockedWidth;
extendLastRow = sourceTable.extendLastRow;
headersInEvent = sourceTable.headersInEvent;
widthPercentage = sourceTable.widthPercentage;
splitLate = sourceTable.splitLate;
skipFirstHeader = sourceTable.skipFirstHeader;
skipLastFooter = sourceTable.skipLastFooter;
horizontalAlignment = sourceTable.horizontalAlignment;
keepTogether = sourceTable.keepTogether;
complete = sourceTable.complete;
}
/**
* Sets the relative widths of the table.
*
* @param relativeWidths the relative widths of the table.
* @throws DocumentException if the number of widths is different than the number
* of columns
*/
public void setWidths(final float relativeWidths[]) throws DocumentException {
if (relativeWidths.length != getNumberOfColumns())
throw new DocumentException(MessageLocalization.getComposedMessage("wrong.number.of.columns"));
this.relativeWidths = new float[relativeWidths.length];
System.arraycopy(relativeWidths, 0, this.relativeWidths, 0, relativeWidths.length);
absoluteWidths = new float[relativeWidths.length];
totalHeight = 0;
calculateWidths();
calculateHeights();
}
/**
* Sets the relative widths of the table.
*
* @param relativeWidths the relative widths of the table.
* @throws DocumentException if the number of widths is different than the number
* of columns
*/
public void setWidths(final int relativeWidths[]) throws DocumentException {
float tb[] = new float[relativeWidths.length];
for (int k = 0; k < relativeWidths.length; ++k)
tb[k] = relativeWidths[k];
setWidths(tb);
}
/**
* @since 2.1.6 private is now protected
*/
protected void calculateWidths() {
if (totalWidth <= 0)
return;
float total = 0;
int numCols = getNumberOfColumns();
for (int k = 0; k < numCols; ++k)
total += relativeWidths[k];
for (int k = 0; k < numCols; ++k)
absoluteWidths[k] = totalWidth * relativeWidths[k] / total;
}
/**
* Sets the full width of the table.
*
* @param totalWidth the full width of the table.
*/
public void setTotalWidth(final float totalWidth) {
if (this.totalWidth == totalWidth)
return;
this.totalWidth = totalWidth;
totalHeight = 0;
calculateWidths();
calculateHeights();
}
/**
* Sets the full width of the table from the absolute column width.
*
* @param columnWidth the absolute width of each column
* @throws DocumentException if the number of widths is different than the number
* of columns
*/
public void setTotalWidth(final float columnWidth[]) throws DocumentException {
if (columnWidth.length != getNumberOfColumns())
throw new DocumentException(MessageLocalization.getComposedMessage("wrong.number.of.columns"));
totalWidth = 0;
for (int k = 0; k < columnWidth.length; ++k)
totalWidth += columnWidth[k];
setWidths(columnWidth);
}
/**
* Sets the percentage width of the table from the absolute column width.
*
* @param columnWidth the absolute width of each column
* @param pageSize the page size
* @throws DocumentException
*/
public void setWidthPercentage(final float columnWidth[], final Rectangle pageSize) throws DocumentException {
if (columnWidth.length != getNumberOfColumns())
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("wrong.number.of.columns"));
float totalWidth = 0;
for (int k = 0; k < columnWidth.length; ++k)
totalWidth += columnWidth[k];
widthPercentage = totalWidth / (pageSize.getRight() - pageSize.getLeft()) * 100f;
setWidths(columnWidth);
}
/**
* Gets the full width of the table.
*
* @return the full width of the table
*/
public float getTotalWidth() {
return totalWidth;
}
/**
* Calculates the heights of the table.
*
* @return the total height of the table. Note that it will be 0 if you didn't
* specify the width of the table with setTotalWidth().
* and made it public
*/
public float calculateHeights() {
if (totalWidth <= 0)
return 0;
totalHeight = 0;
for (int k = 0; k < rows.size(); ++k) {
totalHeight += getRowHeight(k, true);
}
return totalHeight;
}
/**
* Changes the number of columns. Any existing rows will be deleted.
* @param newColCount the new number of columns
* @since 5.0.2
*/
public void resetColumnCount(final int newColCount) {
if (newColCount <= 0)
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("the.number.of.columns.in.pdfptable.constructor.must.be.greater.than.zero"));
relativeWidths = new float[newColCount];
for (int k = 0; k < newColCount; ++k)
relativeWidths[k] = 1;
absoluteWidths = new float[relativeWidths.length];
calculateWidths();
currentRow = new PdfPCell[absoluteWidths.length];
totalHeight = 0;
}
/**
* Gets the default PdfPCell that will be used as
* reference for all the addCell methods except
* addCell(PdfPCell).
*
* @return default PdfPCell
*/
public PdfPCell getDefaultCell() {
return defaultCell;
}
/**
* Adds a cell element.
*
* @param cell the cell element
*/
public void addCell(final PdfPCell cell) {
rowCompleted = false;
PdfPCell ncell = new PdfPCell(cell);
int colspan = ncell.getColspan();
colspan = Math.max(colspan, 1);
colspan = Math.min(colspan, currentRow.length - currentColIdx);
ncell.setColspan(colspan);
if (colspan != 1)
isColspan = true;
int rdir = ncell.getRunDirection();
if (rdir == PdfWriter.RUN_DIRECTION_DEFAULT)
ncell.setRunDirection(runDirection);
skipColsWithRowspanAbove();
boolean cellAdded = false;
if (currentColIdx < currentRow.length) {
currentRow[currentColIdx] = ncell;
currentColIdx += colspan;
cellAdded = true;
}
skipColsWithRowspanAbove();
while (currentColIdx >= currentRow.length) {
int numCols = getNumberOfColumns();
if (runDirection == PdfWriter.RUN_DIRECTION_RTL) {
PdfPCell rtlRow[] = new PdfPCell[numCols];
int rev = currentRow.length;
for (int k = 0; k < currentRow.length; ++k) {
PdfPCell rcell = currentRow[k];
int cspan = rcell.getColspan();
rev -= cspan;
rtlRow[rev] = rcell;
k += cspan - 1;
}
currentRow = rtlRow;
}
PdfPRow row = new PdfPRow(currentRow);
if (totalWidth > 0) {
row.setWidths(absoluteWidths);
totalHeight += row.getMaxHeights();
}
rows.add(row);
currentRow = new PdfPCell[numCols];
currentColIdx = 0;
skipColsWithRowspanAbove();
rowCompleted = true;
}
if (!cellAdded) {
currentRow[currentColIdx] = ncell;
currentColIdx += colspan;
}
}
/**
* When updating the row index, cells with rowspan should be taken into account.
* This is what happens in this method.
* @since 2.1.6
*/
private void skipColsWithRowspanAbove() {
int direction = 1;
if (runDirection == PdfWriter.RUN_DIRECTION_RTL)
direction = -1;
while (rowSpanAbove(rows.size(), currentColIdx))
currentColIdx += direction;
}
/**
* Added by timmo3. This will return the correct cell taking it's cellspan into account
* @param row the row index
* @param col the column index
* @return PdfPCell at the given row and position or null otherwise
*/
PdfPCell cellAt(final int row, final int col) {
PdfPCell[] cells = rows.get(row).getCells();
for (int i = 0; i < cells.length; i++) {
if (cells[i] != null) {
if (col >= i && col < (i + cells[i].getColspan())) {
return cells[i];
}
}
}
return null;
}
/**
* Checks if there are rows above belonging to a rowspan.
* @param currRow the current row to check
* @param currCol the current column to check
* @return true if there's a cell above that belongs to a rowspan
* @since 2.1.6
*/
boolean rowSpanAbove(final int currRow, final int currCol) {
if (currCol >= getNumberOfColumns()
|| currCol < 0
|| currRow < 1)
return false;
int row = currRow - 1;
PdfPRow aboveRow = rows.get(row);
if (aboveRow == null)
return false;
PdfPCell aboveCell = cellAt(row, currCol);
while (aboveCell == null && row > 0) {
aboveRow = rows.get(--row);
if (aboveRow == null)
return false;
aboveCell = cellAt(row, currCol);
}
int distance = currRow - row;
if (aboveCell.getRowspan() == 1 && distance > 1) {
int col = currCol - 1;
aboveRow = rows.get(row + 1);
distance--;
aboveCell = aboveRow.getCells()[col];
while (aboveCell == null && col > 0)
aboveCell = aboveRow.getCells()[--col];
}
return aboveCell != null && aboveCell.getRowspan() > distance;
}
/**
* Adds a cell element.
*
* @param text the text for the cell
*/
public void addCell(final String text) {
addCell(new Phrase(text));
}
/**
* Adds a nested table.
*
* @param table the table to be added to the cell
*/
public void addCell(final PdfPTable table) {
defaultCell.setTable(table);
addCell(defaultCell);
defaultCell.setTable(null);
}
/**
* Adds an Image as Cell.
*
* @param image the Image to add to the table.
* This image will fit in the cell
*/
public void addCell(final Image image) {
defaultCell.setImage(image);
addCell(defaultCell);
defaultCell.setImage(null);
}
/**
* Adds a cell element.
*
* @param phrase the Phrase to be added to the cell
*/
public void addCell(final Phrase phrase) {
defaultCell.setPhrase(phrase);
addCell(defaultCell);
defaultCell.setPhrase(null);
}
/**
* Writes the selected rows to the document.
* canvases is obtained from beginWritingRows().
*
* @param rowStart the first row to be written, zero index
* @param rowEnd the last row to be written + 1. If it is -1 all the
* rows to the end are written
* @param xPos the x write coordinate
* @param yPos the y write coordinate
* @param canvases an array of 4 PdfContentByte obtained from
* beginWrittingRows()
* @return the y coordinate position of the bottom of the last row
* @see #beginWritingRows(com.itextpdf.text.pdf.PdfContentByte)
*/
public float writeSelectedRows(final int rowStart, final int rowEnd, final float xPos, final float yPos, final PdfContentByte[] canvases) {
return writeSelectedRows(0, -1, rowStart, rowEnd, xPos, yPos, canvases);
}
/**
* Writes the selected rows and columns to the document.
* This method does not clip the columns; this is only important
* if there are columns with colspan at boundaries.
* canvases is obtained from beginWritingRows().
* The table event is only fired for complete rows.
*
* @param colStart the first column to be written, zero index
* @param colEnd the last column to be written + 1. If it is -1 all the
* columns to the end are written
* @param rowStart the first row to be written, zero index
* @param rowEnd the last row to be written + 1. If it is -1 all the
* rows to the end are written
* @param xPos the x write coordinate
* @param yPos the y write coordinate
* @param canvases an array of 4 PdfContentByte obtained from
* beginWritingRows()
* @return the y coordinate position of the bottom of the last row
* @see #beginWritingRows(com.itextpdf.text.pdf.PdfContentByte)
*/
public float writeSelectedRows(final int colStart, final int colEnd, final int rowStart, final int rowEnd, final float xPos, final float yPos, final PdfContentByte[] canvases) {
return writeSelectedRows(colStart, colEnd, rowStart, rowEnd, xPos, yPos, canvases, true);
}
/**
* Writes the selected rows and columns to the document.
* This method does not clip the columns; this is only important
* if there are columns with colspan at boundaries.
* canvases is obtained from beginWritingRows().
* The table event is only fired for complete rows.
*
* @param colStart the first column to be written, zero index
* @param colEnd the last column to be written + 1. If it is -1 all the
* columns to the end are written
* @param rowStart the first row to be written, zero index
* @param rowEnd the last row to be written + 1. If it is -1 all the
* rows to the end are written
* @param xPos the x write coordinate
* @param yPos the y write coordinate
* @param canvases an array of 4 PdfContentByte obtained from
* beginWritingRows()
* @param reusable if set to false, the content in the cells is "consumed";
* if true, you can reuse the cells, the row, the parent table as many times you want.
* @return the y coordinate position of the bottom of the last row
* @see #beginWritingRows(com.itextpdf.text.pdf.PdfContentByte)
* @since 5.1.0 added the reusable parameter
*/
public float writeSelectedRows(int colStart, int colEnd, int rowStart, int rowEnd, final float xPos, float yPos, final PdfContentByte[] canvases, final boolean reusable) {
if (totalWidth <= 0)
throw new RuntimeException(MessageLocalization.getComposedMessage("the.table.width.must.be.greater.than.zero"));
int totalRows = rows.size();
if (rowStart < 0)
rowStart = 0;
if (rowEnd < 0)
rowEnd = totalRows;
else
rowEnd = Math.min(rowEnd, totalRows);
if (rowStart >= rowEnd)
return yPos;
int totalCols = getNumberOfColumns();
if (colStart < 0)
colStart = 0;
else
colStart = Math.min(colStart, totalCols);
if (colEnd < 0)
colEnd = totalCols;
else
colEnd = Math.min(colEnd, totalCols);
float yPosStart = yPos;
for (int k = rowStart; k < rowEnd; ++k) {
PdfPRow row = rows.get(k);
if (row != null) {
row.writeCells(colStart, colEnd, xPos, yPos, canvases, reusable);
yPos -= row.getMaxHeights();
}
}
if (tableEvent != null && colStart == 0 && colEnd == totalCols) {
float heights[] = new float[rowEnd - rowStart + 1];
heights[0] = yPosStart;
for (int k = rowStart; k < rowEnd; ++k) {
PdfPRow row = rows.get(k);
float hr = 0;
if (row != null)
hr = row.getMaxHeights();
heights[k - rowStart + 1] = heights[k - rowStart] - hr;
}
tableEvent.tableLayout(this, getEventWidths(xPos, rowStart, rowEnd, headersInEvent), heights, headersInEvent ? headerRows : 0, rowStart, canvases);
}
return yPos;
}
/**
* Writes the selected rows to the document.
*
* @param rowStart the first row to be written, zero index
* @param rowEnd the last row to be written + 1. If it is -1 all the
* rows to the end are written
* @param xPos the x write coordinate
* @param yPos the y write coordinate
* @param canvas the PdfContentByte where the rows will
* be written to
* @return the y coordinate position of the bottom of the last row
*/
public float writeSelectedRows(final int rowStart, final int rowEnd, final float xPos, final float yPos, final PdfContentByte canvas) {
return writeSelectedRows(0, -1, rowStart, rowEnd, xPos, yPos, canvas);
}
/**
* Writes the selected rows and columns to the document.
* This method clips the columns; this is only important
* if there are columns with colspan at boundaries.
* The table event is only fired for complete rows.
*
* @param colStart the first column to be written, zero index
* @param colEnd the last column to be written + 1. If it is -1 all the
* columns to the end are written
* @param rowStart the first row to be written, zero index
* @param rowEnd the last row to be written + 1. If it is -1 all the
* rows to the end are written
* @param xPos the x write coordinate
* @param yPos the y write coordinate
* @param canvas the PdfContentByte where the rows will
* be written to
* @return the y coordinate position of the bottom of the last row
*/
public float writeSelectedRows(final int colStart, final int colEnd, final int rowStart, final int rowEnd, final float xPos, final float yPos, final PdfContentByte canvas) {
return writeSelectedRows(colStart, colEnd, rowStart, rowEnd, xPos, yPos, canvas, true);
}
/**
* Writes the selected rows and columns to the document.
* This method clips the columns; this is only important
* if there are columns with colspan at boundaries.
* The table event is only fired for complete rows.
*
* @param colStart the first column to be written, zero index
* @param colEnd the last column to be written + 1. If it is -1 all the
* columns to the end are written
* @param rowStart the first row to be written, zero index
* @param rowEnd the last row to be written + 1. If it is -1 all the
* rows to the end are written
* @param xPos the x write coordinate
* @param yPos the y write coordinate
* @param canvas the PdfContentByte where the rows will
* be written to
* @param reusable if set to false, the content in the cells is "consumed";
* if true, you can reuse the cells, the row, the parent table as many times you want.
* @return the y coordinate position of the bottom of the last row
* @since 5.1.0 added the reusable parameter
*/
public float writeSelectedRows(int colStart, int colEnd, final int rowStart, final int rowEnd, final float xPos, final float yPos, final PdfContentByte canvas, final boolean reusable) {
int totalCols = getNumberOfColumns();
if (colStart < 0)
colStart = 0;
else
colStart = Math.min(colStart, totalCols);
if (colEnd < 0)
colEnd = totalCols;
else
colEnd = Math.min(colEnd, totalCols);
boolean clip = colStart != 0 || colEnd != totalCols;
if (clip) {
float w = 0;
for (int k = colStart; k < colEnd; ++k)
w += absoluteWidths[k];
canvas.saveState();
float lx = colStart == 0 ? 10000 : 0;
float rx = colEnd == totalCols ? 10000 : 0;
canvas.rectangle(xPos - lx, -10000, w + lx + rx, PdfPRow.RIGHT_LIMIT);
canvas.clip();
canvas.newPath();
}
PdfContentByte[] canvases = beginWritingRows(canvas);
float y = writeSelectedRows(colStart, colEnd, rowStart, rowEnd, xPos, yPos, canvases, reusable);
endWritingRows(canvases);
if (clip)
canvas.restoreState();
return y;
}
/**
* Gets and initializes the 4 layers where the table is written to. The text or graphics are added to
* one of the 4 PdfContentByte returned with the following order:
*
* PdfPtable.BASECANVAS - the original PdfContentByte. Anything placed here
* will be under the table.
* PdfPtable.BACKGROUNDCANVAS - the layer where the background goes to.
* PdfPtable.LINECANVAS - the layer where the lines go to.
* PdfPtable.TEXTCANVAS - the layer where the text go to. Anything placed here
* will be over the table.
*
* The layers are placed in sequence on top of each other.
*
* @param canvas the PdfContentByte where the rows will
* be written to
* @return an array of 4 PdfContentByte
* @see #writeSelectedRows(int, int, float, float, PdfContentByte[])
*/
public static PdfContentByte[] beginWritingRows(final PdfContentByte canvas) {
return new PdfContentByte[]{
canvas,
canvas.getDuplicate(),
canvas.getDuplicate(),
canvas.getDuplicate(),
};
}
/**
* Finishes writing the table.
*
* @param canvases the array returned by beginWritingRows()
*/
public static void endWritingRows(final PdfContentByte[] canvases) {
PdfContentByte canvas = canvases[BASECANVAS];
canvas.saveState();
canvas.add(canvases[BACKGROUNDCANVAS]);
canvas.restoreState();
canvas.saveState();
canvas.setLineCap(2);
canvas.resetRGBColorStroke();
canvas.add(canvases[LINECANVAS]);
canvas.restoreState();
canvas.add(canvases[TEXTCANVAS]);
}
/**
* Gets the number of rows in this table.
*
* @return the number of rows in this table
*/
public int size() {
return rows.size();
}
/**
* Gets the total height of the table.
*
* @return the total height of the table
*/
public float getTotalHeight() {
return totalHeight;
}
/**
* Gets the height of a particular row.
*
* @param idx the row index (starts at 0)
* @return the height of a particular row
*/
public float getRowHeight(final int idx) {
return getRowHeight(idx, false);
}
/**
* Gets the height of a particular row.
*
* @param idx the row index (starts at 0)
* @param firsttime is this the first time the row heigh is calculated?
* @return the height of a particular row
* @since 5.0.0
*/
protected float getRowHeight(final int idx, final boolean firsttime) {
if (totalWidth <= 0 || idx < 0 || idx >= rows.size())
return 0;
PdfPRow row = rows.get(idx);
if (row == null)
return 0;
if (firsttime)
row.setWidths(absoluteWidths);
float height = row.getMaxHeights();
PdfPCell cell;
PdfPRow tmprow;
for (int i = 0; i < relativeWidths.length; i++) {
if(!rowSpanAbove(idx, i))
continue;
int rs = 1;
while (rowSpanAbove(idx - rs, i)) {
rs++;
}
tmprow = rows.get(idx - rs);
cell = tmprow.getCells()[i];
float tmp = 0;
if (cell != null && cell.getRowspan() == rs + 1) {
tmp = cell.getMaxHeight();
while (rs > 0) {
tmp -= getRowHeight(idx - rs);
rs--;
}
}
if (tmp > height)
height = tmp;
}
row.setMaxHeights(height);
return height;
}
/**
* Gets the maximum height of a cell in a particular row (will only be different
* from getRowHeight is one of the cells in the row has a rowspan > 1).
*
* @param rowIndex the row index
* @param cellIndex the cell index
* @return the height of a particular row including rowspan
* @since 2.1.6
*/
public float getRowspanHeight(final int rowIndex, final int cellIndex) {
if (totalWidth <= 0 || rowIndex < 0 || rowIndex >= rows.size())
return 0;
PdfPRow row = rows.get(rowIndex);
if (row == null || cellIndex >= row.getCells().length)
return 0;
PdfPCell cell = row.getCells()[cellIndex];
if (cell == null)
return 0;
float rowspanHeight = 0;
for (int j = 0; j < cell.getRowspan(); j++) {
rowspanHeight += getRowHeight(rowIndex + j);
}
return rowspanHeight;
}
/**
* Checks if a cell in a row has a rowspan greater than 1.
* @since 5.1.0
*/
public boolean hasRowspan(final int rowIdx) {
if (rowIdx < rows.size() && getRow(rowIdx).hasRowspan()) {
return true;
}
for (int i = 0; i < getNumberOfColumns(); i++) {
if (rowSpanAbove(rowIdx - 1, i))
return true;
}
return false;
}
/**
* Makes sure the footers value is lower than the headers value.
* @since 5.0.1
*/
public void normalizeHeadersFooters() {
if (footerRows > headerRows)
footerRows = headerRows;
}
/**
* Gets the height of the rows that constitute the header as defined by
* setHeaderRows().
*
* @return the height of the rows that constitute the header and footer
*/
public float getHeaderHeight() {
float total = 0;
int size = Math.min(rows.size(), headerRows);
for (int k = 0; k < size; ++k) {
PdfPRow row = rows.get(k);
if (row != null)
total += row.getMaxHeights();
}
return total;
}
/**
* Gets the height of the rows that constitute the footer as defined by
* setFooterRows().
*
* @return the height of the rows that constitute the footer
* @since 2.1.1
*/
public float getFooterHeight() {
float total = 0;
int start = Math.max(0, headerRows - footerRows);
int size = Math.min(rows.size(), headerRows);
for (int k = start; k < size; ++k) {
PdfPRow row = rows.get(k);
if (row != null)
total += row.getMaxHeights();
}
return total;
}
/**
* Deletes a row from the table.
*
* @param rowNumber the row to be deleted
* @return true if the row was deleted
*/
public boolean deleteRow(final int rowNumber) {
if (rowNumber < 0 || rowNumber >= rows.size())
return false;
if (totalWidth > 0) {
PdfPRow row = rows.get(rowNumber);
if (row != null)
totalHeight -= row.getMaxHeights();
}
rows.remove(rowNumber);
if (rowNumber < headerRows) {
--headerRows;
if (rowNumber >= headerRows - footerRows)
--footerRows;
}
return true;
}
/**
* Deletes the last row in the table.
*
* @return true if the last row was deleted
*/
public boolean deleteLastRow() {
return deleteRow(rows.size() - 1);
}
/**
* Removes all of the rows except headers
*/
public void deleteBodyRows() {
ArrayList rows2 = new ArrayList();
for (int k = 0; k < headerRows; ++k)
rows2.add(rows.get(k));
rows = rows2;
totalHeight = 0;
if (totalWidth > 0)
totalHeight = getHeaderHeight();
}
/**
* Returns the number of columns.
*
* @return the number of columns.
* @since 2.1.1
*/
public int getNumberOfColumns() {
return relativeWidths.length;
}
/**
* Gets the number of the rows that constitute the header.
*
* @return the number of the rows that constitute the header
*/
public int getHeaderRows() {
return headerRows;
}
/**
* Sets the number of the top rows that constitute the header.
* This header has only meaning if the table is added to Document
* and the table crosses pages.
*
* @param headerRows the number of the top rows that constitute the header
*/
public void setHeaderRows(int headerRows) {
if (headerRows < 0)
headerRows = 0;
this.headerRows = headerRows;
}
/**
* Gets all the chunks in this element.
*
* @return an ArrayList
*/
public List getChunks() {
return new ArrayList();
}
/**
* Gets the type of the text element.
*
* @return a type
*/
public int type() {
return Element.PTABLE;
}
/**
* @see com.itextpdf.text.Element#isContent()
* @since iText 2.0.8
*/
public boolean isContent() {
return true;
}
/**
* @see com.itextpdf.text.Element#isNestable()
* @since iText 2.0.8
*/
public boolean isNestable() {
return true;
}
/**
* Processes the element by adding it (or the different parts) to an
* ElementListener.
*
* @param listener an ElementListener
* @return true if the element was processed successfully
*/
public boolean process(final ElementListener listener) {
try {
return listener.add(this);
}
catch(DocumentException de) {
return false;
}
}
/**
* Gets the width percentage that the table will occupy in the page.
*
* @return the width percentage that the table will occupy in the page
*/
public float getWidthPercentage() {
return widthPercentage;
}
/**
* Sets the width percentage that the table will occupy in the page.
*
* @param widthPercentage the width percentage that the table will occupy in the page
*/
public void setWidthPercentage(final float widthPercentage) {
this.widthPercentage = widthPercentage;
}
/**
* Gets the horizontal alignment of the table relative to the page.
*
* @return the horizontal alignment of the table relative to the page
*/
public int getHorizontalAlignment() {
return horizontalAlignment;
}
/**
* Sets the horizontal alignment of the table relative to the page.
* It only has meaning if the width percentage is less than 100%.
*
* @param horizontalAlignment the horizontal alignment of the table
* relative to the page
*/
public void setHorizontalAlignment(final int horizontalAlignment) {
this.horizontalAlignment = horizontalAlignment;
}
/**
* Gets a row with a given index.
*
* @param idx
* @return the row at position idx
*/
public PdfPRow getRow(final int idx) {
return rows.get(idx);
}
/**
* Gets an arraylist with all the rows in the table.
*
* @return an arraylist
*/
public ArrayList getRows() {
return rows;
}
/**
* Gets an arraylist with a selection of rows.
* @param start the first row in the selection
* @param end the first row that isn't part of the selection
* @return a selection of rows
* @since 2.1.6
*/
public ArrayList getRows(final int start, final int end) {
ArrayList list = new ArrayList();
if (start < 0 || end > size()) {
return list;
}
for (int i = start; i < end; i++) {
list.add(adjustCellsInRow(i, end));
}
return list;
}
/**
* Calculates the extra height needed in a row because of rowspans.
* @param start the index of the start row (the one to adjust)
* @param end the index of the end row on the page
* @since 2.1.6
*/
protected PdfPRow adjustCellsInRow(final int start, final int end) {
PdfPRow row = new PdfPRow(getRow(start));
PdfPCell cell;
PdfPCell[] cells = row.getCells();
for (int i = 0; i < cells.length; i++) {
cell = cells[i];
if (cell == null || cell.getRowspan() == 1)
continue;
int stop = Math.min(end, start + cell.getRowspan());
float extra = 0;
for (int k = start + 1; k < stop; k++) {
extra += getRow(k).getMaxHeights();
}
row.setExtraHeight(i, extra);
}
return row;
}
/** Sets the table event for this table.
* @param event the table event for this table
*/
public void setTableEvent(final PdfPTableEvent event) {
if (event == null)
this.tableEvent = null;
else if (this.tableEvent == null)
this.tableEvent = event;
else if (this.tableEvent instanceof PdfPTableEventForwarder)
((PdfPTableEventForwarder)this.tableEvent).addTableEvent(event);
else {
PdfPTableEventForwarder forward = new PdfPTableEventForwarder();
forward.addTableEvent(this.tableEvent);
forward.addTableEvent(event);
this.tableEvent = forward;
}
}
/**
* Gets the table event for this page.
*
* @return the table event for this page
*/
public PdfPTableEvent getTableEvent() {
return tableEvent;
}
/**
* Gets the absolute sizes of each column width.
*
* @return he absolute sizes of each column width
*/
public float[] getAbsoluteWidths() {
return absoluteWidths;
}
float [][] getEventWidths(final float xPos, int firstRow, int lastRow, final boolean includeHeaders) {
if (includeHeaders) {
firstRow = Math.max(firstRow, headerRows);
lastRow = Math.max(lastRow, headerRows);
}
float widths[][] = new float[(includeHeaders ? headerRows : 0) + lastRow - firstRow][];
if (isColspan) {
int n = 0;
if (includeHeaders) {
for (int k = 0; k < headerRows; ++k) {
PdfPRow row = rows.get(k);
if (row == null)
++n;
else
widths[n++] = row.getEventWidth(xPos, absoluteWidths);
}
}
for (; firstRow < lastRow; ++firstRow) {
PdfPRow row = rows.get(firstRow);
if (row == null)
++n;
else
widths[n++] = row.getEventWidth(xPos, absoluteWidths);
}
}
else {
int numCols = getNumberOfColumns();
float width[] = new float[numCols + 1];
width[0] = xPos;
for (int k = 0; k < numCols; ++k)
width[k + 1] = width[k] + absoluteWidths[k];
for (int k = 0; k < widths.length; ++k)
widths[k] = width;
}
return widths;
}
/**
* Tells you if the first header needs to be skipped
* (for instance if the header says "continued from the previous page").
*
* @return Value of property skipFirstHeader.
*/
public boolean isSkipFirstHeader() {
return skipFirstHeader;
}
/**
* Tells you if the last footer needs to be skipped
* (for instance if the footer says "continued on the next page")
*
* @return Value of property skipLastFooter.
* @since 2.1.6
*/
public boolean isSkipLastFooter() {
return skipLastFooter;
}
/**
* Skips the printing of the first header. Used when printing
* tables in succession belonging to the same printed table aspect.
*
* @param skipFirstHeader New value of property skipFirstHeader.
*/
public void setSkipFirstHeader(final boolean skipFirstHeader) {
this.skipFirstHeader = skipFirstHeader;
}
/**
* Skips the printing of the last footer. Used when printing
* tables in succession belonging to the same printed table aspect.
*
* @param skipLastFooter New value of property skipLastFooter.
* @since 2.1.6
*/
public void setSkipLastFooter(final boolean skipLastFooter) {
this.skipLastFooter = skipLastFooter;
}
/**
* Sets the run direction of the contents of the table.
*
* @param runDirection One of the following values:
* PdfWriter.RUN_DIRECTION_DEFAULT, PdfWriter.RUN_DIRECTION_NO_BIDI,
* PdfWriter.RUN_DIRECTION_LTR or PdfWriter.RUN_DIRECTION_RTL.
*/
public void setRunDirection(final int runDirection) {
switch (runDirection) {
case PdfWriter.RUN_DIRECTION_DEFAULT:
case PdfWriter.RUN_DIRECTION_NO_BIDI:
case PdfWriter.RUN_DIRECTION_LTR:
case PdfWriter.RUN_DIRECTION_RTL:
this.runDirection = runDirection;
break;
default:
throw new RuntimeException(MessageLocalization.getComposedMessage("invalid.run.direction.1", runDirection));
}
}
/**
* Returns the run direction of the contents in the table.
*
* @return One of the following values:
* PdfWriter.RUN_DIRECTION_DEFAULT, PdfWriter.RUN_DIRECTION_NO_BIDI,
* PdfWriter.RUN_DIRECTION_LTR or PdfWriter.RUN_DIRECTION_RTL.
*/
public int getRunDirection() {
return runDirection;
}
/**
* Getter for property lockedWidth.
*
* @return Value of property lockedWidth.
*/
public boolean isLockedWidth() {
return this.lockedWidth;
}
/**
* Uses the value in setTotalWidth() in Document.add().
*
* @param lockedWidth true to use the value in setTotalWidth() in Document.add()
*/
public void setLockedWidth(final boolean lockedWidth) {
this.lockedWidth = lockedWidth;
}
/**
* Gets the split value.
*
* @return true to split; false otherwise
*/
public boolean isSplitRows() {
return this.splitRows;
}
/**
* When set the rows that won't fit in the page will be split.
* Note that it takes at least twice the memory to handle a split table row
* than a normal table. true by default.
*
* @param splitRows true to split; false otherwise
*/
public void setSplitRows(final boolean splitRows) {
this.splitRows = splitRows;
}
/**
* Sets the spacing before this table.
*
* @param spacing the new spacing
*/
public void setSpacingBefore(final float spacing) {
this.spacingBefore = spacing;
}
/**
* Sets the spacing after this table.
*
* @param spacing the new spacing
*/
public void setSpacingAfter(final float spacing) {
this.spacingAfter = spacing;
}
/**
* Gets the spacing before this table.
*
* @return the spacing
*/
public float spacingBefore() {
return spacingBefore;
}
/**
* Gets the spacing after this table.
*
* @return the spacing
*/
public float spacingAfter() {
return spacingAfter;
}
/**
* Gets the value of the last row extension.
*
* @return true if the last row will extend; false otherwise
*/
public boolean isExtendLastRow() {
return extendLastRow[0];
}
/**
* When set the last row on every page will be extended to fill
* all the remaining space to the bottom boundary.
*
* @param extendLastRows true to extend the last row; false otherwise
*/
public void setExtendLastRow(final boolean extendLastRows) {
extendLastRow[0] = extendLastRows;
extendLastRow[1] = extendLastRows;
}
/**
* When set the last row on every page will be extended to fill
* all the remaining space to the bottom boundary; except maybe the
* final row.
*
* @param extendLastRows true to extend the last row on each page; false otherwise
* @param extendFinalRow false if you don't want to extend the final row of the complete table
* @since iText 5.0.0
*/
public void setExtendLastRow(final boolean extendLastRows, final boolean extendFinalRow) {
extendLastRow[0] = extendLastRows;
extendLastRow[1] = extendFinalRow;
}
/**
* Gets the value of the last row extension, taking into account
* if the final row is reached or not.
*
* @return true if the last row will extend; false otherwise
* @since iText 5.0.0
*/
public boolean isExtendLastRow(final boolean newPageFollows) {
if (newPageFollows) {
return extendLastRow[0];
}
return extendLastRow[1];
}
/**
* Gets the header status inclusion in PdfPTableEvent.
*
* @return true if the headers are included; false otherwise
*/
public boolean isHeadersInEvent() {
return headersInEvent;
}
/**
* When set the PdfPTableEvent will include the headers.
*
* @param headersInEvent true to include the headers; false otherwise
*/
public void setHeadersInEvent(final boolean headersInEvent) {
this.headersInEvent = headersInEvent;
}
/**
* Gets the property splitLate.
*
* @return the property splitLate
*/
public boolean isSplitLate() {
return splitLate;
}
/**
* If true the row will only split if it's the first one in an empty page.
* It's true by default.
* It's only meaningful if setSplitRows(true).
*
* @param splitLate the property value
*/
public void setSplitLate(final boolean splitLate) {
this.splitLate = splitLate;
}
/**
* If true the table will be kept on one page if it fits, by forcing a
* new page if it doesn't fit on the current page. The default is to
* split the table over multiple pages.
*
* @param keepTogether whether to try to keep the table on one page
*/
public void setKeepTogether(final boolean keepTogether) {
this.keepTogether = keepTogether;
}
/**
* Getter for property keepTogether
*
* @return true if it is tried to keep the table on one page;
* false otherwise
*/
public boolean getKeepTogether() {
return keepTogether;
}
/**
* Gets the number of rows in the footer.
*
* @return the number of rows in the footer
*/
public int getFooterRows() {
return this.footerRows;
}
/**
* Sets the number of rows to be used for the footer. The number
* of footer rows are subtracted from the header rows. For
* example, for a table with two header rows and one footer row the
* code would be:
*
* table.setHeaderRows(3);
* table.setFooterRows(1);
*
* Row 0 and 1 will be the header rows and row 2 will be the footer row.
*
* @param footerRows the number of rows to be used for the footer
*/
public void setFooterRows(int footerRows) {
if (footerRows < 0)
footerRows = 0;
this.footerRows = footerRows;
}
/**
* Completes the current row with the default cell. An incomplete row will
* be dropped but calling this method will make sure that it will be
* present in the table.
*/
public void completeRow() {
while (!rowCompleted) {
addCell(defaultCell);
}
}
/**
* @since iText 2.0.8
* @see com.itextpdf.text.LargeElement#flushContent()
*/
public void flushContent() {
deleteBodyRows();
setSkipFirstHeader(true);
}
/**
* @since iText 2.0.8
* @see com.itextpdf.text.LargeElement#isComplete()
*/
public boolean isComplete() {
return complete;
}
/**
* @since iText 2.0.8
* @see com.itextpdf.text.LargeElement#setComplete(boolean)
*/
public void setComplete(final boolean complete) {
this.complete = complete;
}
}