com.lowagie.text.SimpleTable Maven / Gradle / Ivy
/*
* $Id: SimpleTable.java 3752 2009-03-04 18:02:40Z blowagie $
*
* Copyright 2005 by Bruno Lowagie.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library 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 LIBRARY GENERAL PUBLIC LICENSE for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text;
import java.util.ArrayList;
import java.util.Iterator;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfPTableEvent;
/**
* Rectangle that can be used for Cells.
* This Rectangle is padded and knows how to draw itself in a PdfPTable or PdfPcellEvent.
*/
public class SimpleTable extends Rectangle implements PdfPTableEvent, TextElementArray {
/** the content of a Table. */
private ArrayList content = new ArrayList();
/** the width of the Table. */
private float width = 0f;
/** the widthpercentage of the Table. */
private float widthpercentage = 0f;
/** the spacing of the Cells. */
private float cellspacing;
/** the padding of the Cells. */
private float cellpadding;
/** the alignment of the table. */
private int alignment;
/**
* A RectangleCell is always constructed without any dimensions.
* Dimensions are defined after creation.
*/
public SimpleTable() {
super(0f, 0f, 0f, 0f);
setBorder(BOX);
setBorderWidth(2f);
}
/**
* Adds content to this object.
*
* @param element
* @throws BadElementException
*/
public void addElement(SimpleCell element) throws BadElementException {
if (!element.isCellgroup()) {
throw new BadElementException("You can't add cells to a table directly, add them to a row first.");
}
content.add(element);
}
/**
* Creates a Table object based on this TableAttributes object.
*
* @return a com.lowagie.text.Table object
* @throws BadElementException
*/
public Table createTable() throws BadElementException {
if (content.isEmpty())
throw new BadElementException("Trying to create a table without rows.");
SimpleCell row = (SimpleCell) content.get(0);
SimpleCell cell;
int columns = 0;
for (Iterator i = row.getContent().iterator(); i.hasNext();) {
cell = (SimpleCell) i.next();
columns += cell.getColspan();
}
float[] widths = new float[columns];
float[] widthpercentages = new float[columns];
Table table = new Table(columns);
table.setAlignment(alignment);
table.setSpacing(cellspacing);
table.setPadding(cellpadding);
table.cloneNonPositionParameters(this);
int pos;
iterateRows(widths, widthpercentages, table);
float sumWidths = 0f;
calWidth(columns, widths, widthpercentages, table, sumWidths);
return table;
}
/**
* Extract logic to cal width from createTable method.
*/
private void calWidth(int columns, float[] widths, float[] widthpercentages, Table table, float sumWidths)
throws BadElementException {
for (int i = 0; i < columns; i++) {
if (widths[i] == 0) {
sumWidths = 0;
break;
}
sumWidths += widths[i];
}
setWidth(columns, widths, widthpercentages, table, sumWidths);
}
/**
* Extract logic to set width from findWidth method once width is calculated.
*/
private void setWidth(int columns, float[] widths, float[] widthpercentages, Table table, float sumWidths)
throws BadElementException {
if (sumWidths > 0) {
table.setWidth(sumWidths);
table.setLocked(true);
table.setWidths(widths);
} else {
for (int i = 0; i < columns; i++) {
if (widthpercentages[i] == 0) {
sumWidths = 0;
break;
}
sumWidths += widthpercentages[i];
}
if (sumWidths > 0) {
table.setWidths(widthpercentages);
}
}
if (width > 0) {
table.setWidth(width);
table.setLocked(true);
} else if (widthpercentage > 0) {
table.setWidth(widthpercentage);
}
}
//Create sepertae method to iterate rows from createTable
private void iterateRows(float[] widths, float[] widthpercentages, Table table) throws BadElementException {
SimpleCell row;
SimpleCell cell;
int pos;
for (Iterator rows = content.iterator(); rows.hasNext();) {
row = (SimpleCell) rows.next();
pos = 0;
for (Iterator cells = row.getContent().iterator(); cells.hasNext();) {
cell = (SimpleCell) cells.next();
table.addCell(cell.createCell(row));
if (cell.getColspan() == 1) {
if (cell.getWidth() > 0)
widths[pos] = cell.getWidth();
if (cell.getWidthpercentage() > 0)
widthpercentages[pos] = cell.getWidthpercentage();
}
pos += cell.getColspan();
}
}
}
/**
* Creates a PdfPTable object based on this TableAttributes object.
*
* @return a com.lowagie.text.pdf.PdfPTable object
* @throws DocumentException
*/
public PdfPTable createPdfPTable() throws DocumentException {
if (content.isEmpty())
throw new BadElementException("Trying to create a table without rows.");
SimpleCell row = (SimpleCell) content.get(0);
SimpleCell cell;
int columns = 0;
for (Iterator i = row.getContent().iterator(); i.hasNext();) {
cell = (SimpleCell) i.next();
columns += cell.getColspan();
}
float[] widths = new float[columns];
float[] widthpercentages = new float[columns];
PdfPTable table = new PdfPTable(columns);
table.setTableEvent(this);
table.setHorizontalAlignment(alignment);
int pos;
for (Iterator rows = content.iterator(); rows.hasNext();) {
row = (SimpleCell) rows.next();
pos = 0;
for (Iterator cells = row.getContent().iterator(); cells.hasNext();) {
cell = (SimpleCell) cells.next();
if (Float.isNaN(cell.getSpacing_left())) {
cell.setSpacing_left(cellspacing / 2f);
}
if (Float.isNaN(cell.getSpacing_right())) {
cell.setSpacing_right(cellspacing / 2f);
}
if (Float.isNaN(cell.getSpacing_top())) {
cell.setSpacing_top(cellspacing / 2f);
}
if (Float.isNaN(cell.getSpacing_bottom())) {
cell.setSpacing_bottom(cellspacing / 2f);
}
cell.setPadding(cellpadding);
table.addCell(cell.createPdfPCell(row));
if (cell.getColspan() == 1) {
if (cell.getWidth() > 0)
widths[pos] = cell.getWidth();
if (cell.getWidthpercentage() > 0)
widthpercentages[pos] = cell.getWidthpercentage();
}
pos += cell.getColspan();
}
}
float sumWidths = 0f;
for (int i = 0; i < columns; i++) {
if (widths[i] == 0) {
sumWidths = 0;
break;
}
sumWidths += widths[i];
}
if (sumWidths > 0) {
table.setTotalWidth(sumWidths);
table.setWidths(widths);
} else {
for (int i = 0; i < columns; i++) {
if (widthpercentages[i] == 0) {
sumWidths = 0;
break;
}
sumWidths += widthpercentages[i];
}
if (sumWidths > 0) {
table.setWidths(widthpercentages);
}
}
if (width > 0) {
table.setTotalWidth(width);
}
if (widthpercentage > 0) {
table.setWidthPercentage(widthpercentage);
}
return table;
}
/**
* @see com.lowagie.text.pdf.PdfPTableEvent#tableLayout(com.lowagie.text.pdf.PdfPTable, float[][], float[], int, int,
* com.lowagie.text.pdf.PdfContentByte[])
*/
public void tableLayout(PdfPTable table, float[][] widths, float[] heights, int headerRows, int rowStart,
PdfContentByte[] canvases) {
float[] width = widths[0];
Rectangle rect = new Rectangle(width[0], heights[heights.length - 1], width[width.length - 1], heights[0]);
rect.cloneNonPositionParameters(this);
int bd = rect.getBorder();
rect.setBorder(Rectangle.NO_BORDER);
canvases[PdfPTable.BACKGROUNDCANVAS].rectangle(rect);
rect.setBorder(bd);
rect.setBackgroundColor(null);
canvases[PdfPTable.LINECANVAS].rectangle(rect);
}
/**
* @return Returns the cellpadding.
*/
public float getCellpadding() {
return cellpadding;
}
/**
* @param cellpadding The cellpadding to set.
*/
public void setCellpadding(float cellpadding) {
this.cellpadding = cellpadding;
}
/**
* @return Returns the cellspacing.
*/
public float getCellspacing() {
return cellspacing;
}
/**
* @param cellspacing The cellspacing to set.
*/
public void setCellspacing(float cellspacing) {
this.cellspacing = cellspacing;
}
/**
* @return Returns the alignment.
*/
public int getAlignment() {
return alignment;
}
/**
* @param alignment The alignment to set.
*/
public void setAlignment(int alignment) {
this.alignment = alignment;
}
/**
* @return Returns the width.
*/
public float getWidth() {
return width;
}
/**
* @param width The width to set.
*/
public void setWidth(float width) {
this.width = width;
}
/**
* @return Returns the widthpercentage.
*/
public float getWidthpercentage() {
return widthpercentage;
}
/**
* @param widthpercentage The widthpercentage to set.
*/
public void setWidthpercentage(float widthpercentage) {
this.widthpercentage = widthpercentage;
}
/**
* @see com.lowagie.text.Element#type()
*/
public int type() {
return Element.TABLE;
}
/**
* @see com.lowagie.text.Element#isNestable()
* @since iText 2.0.8
*/
public boolean isNestable() {
return true;
}
/**
* @see com.lowagie.text.TextElementArray#add(java.lang.Object)
*/
public boolean add(Object o) {
try {
addElement((SimpleCell) o);
return true;
} catch (ClassCastException e) {
return false;
} catch (BadElementException e) {
throw new ExceptionConverter(e);
}
}
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