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/*
* $Id: PdfTable.java 3373 2008-05-12 16:21:24Z xlv $
*
* Copyright 1999, 2000, 2001, 2002 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.aowagie.text.pdf;
import java.util.ArrayList;
import java.util.Iterator;
import com.aowagie.text.Cell;
import com.aowagie.text.Element;
import com.aowagie.text.Rectangle;
import com.aowagie.text.Row;
import com.aowagie.text.Table;
/**
* PdfTable is an object that contains the graphics and text of a table.
*
* @see com.aowagie.text.Table
* @see com.aowagie.text.Row
* @see com.aowagie.text.Cell
* @see PdfCell
*/
class PdfTable extends Rectangle {
// membervariables
/** this is the number of columns in the table. */
private final int columns;
/** this is the ArrayList with all the cell of the table header. */
private final ArrayList headercells;
/** this is the ArrayList with all the cells in the table. */
private final ArrayList cells;
/** Original table used to build this object*/
private final Table table;
/** Cached column widths. */
private final float[] positions;
// constructors
/**
* Constructs a PdfTable-object.
*
* @param table a Table
* @param left the left border on the page
* @param right the right border on the page
* @param top the start position of the top of the table
* @since a parameter of this method has been removed in iText 2.0.8
*/
PdfTable(final Table table, final float left, final float right, final float top) {
// constructs a Rectangle (the bottom value will be changed afterwards)
super(left, top, right, top);
this.table = table;
table.complete();
// copying the attributes from class Table
cloneNonPositionParameters(table);
this.columns = table.getColumns();
this.positions = table.getWidths(left, right - left);
// initialization of some parameters
setLeft(this.positions[0]);
setRight(this.positions[this.positions.length - 1]);
this.headercells = new ArrayList();
this.cells = new ArrayList();
updateRowAdditionsInternal();
}
// methods
/**
* Updates the table row additions in the underlying table object
*/
private void updateRowAdditionsInternal() {
// correct table : fill empty cells/ parse table in table
Row row;
final int prevRows = rows();
int rowNumber = 0;
int groupNumber = 0;
boolean groupChange;
final int firstDataRow = this.table.getLastHeaderRow() + 1;
Cell cell;
PdfCell currentCell;
final ArrayList newCells = new ArrayList();
final int rows = this.table.size() + 1;
final float[] offsets = new float[rows];
for (int i = 0; i < rows; i++) {
offsets[i] = getBottom();
}
// loop over all the rows
for (final Iterator rowIterator = this.table.iterator(); rowIterator.hasNext(); ) {
groupChange = false;
row = (Row) rowIterator.next();
if (row.isEmpty()) {
if (rowNumber < rows - 1 && offsets[rowNumber + 1] > offsets[rowNumber]) {
offsets[rowNumber + 1] = offsets[rowNumber];
}
}
else {
for(int i = 0; i < row.getColumns(); i++) {
cell = (Cell) row.getCell(i);
if (cell != null) {
currentCell = new PdfCell(cell, rowNumber+prevRows, this.positions[i], this.positions[i + cell.getColspan()], offsets[rowNumber], cellspacing(), cellpadding());
if (rowNumber < firstDataRow) {
currentCell.setHeader();
this.headercells.add(currentCell);
if (!this.table.isNotAddedYet()) {
continue;
}
}
try {
if (offsets[rowNumber] - currentCell.getHeight() - cellpadding() < offsets[rowNumber + currentCell.rowspan()]) {
offsets[rowNumber + currentCell.rowspan()] = offsets[rowNumber] - currentCell.getHeight() - cellpadding();
}
}
catch(final ArrayIndexOutOfBoundsException aioobe) {
if (offsets[rowNumber] - currentCell.getHeight() < offsets[rows - 1]) {
offsets[rows - 1] = offsets[rowNumber] - currentCell.getHeight();
}
}
currentCell.setGroupNumber(groupNumber);
groupChange |= cell.getGroupChange();
newCells.add(currentCell);
}
}
}
rowNumber++;
if( groupChange ) {
groupNumber++;
}
}
// loop over all the cells
final int n = newCells.size();
for (int i = 0; i < n; i++) {
currentCell = (PdfCell) newCells.get(i);
try {
currentCell.setBottom(offsets[currentCell.rownumber()-prevRows + currentCell.rowspan()]);
}
catch(final ArrayIndexOutOfBoundsException aioobe) {
currentCell.setBottom(offsets[rows - 1]);
}
}
this.cells.addAll(newCells);
setBottom(offsets[rows - 1]);
}
/**
* Get the number of rows
*/
private int rows() {
return this.cells.isEmpty() ? 0 : ((PdfCell)this.cells.get(this.cells.size()-1)).rownumber()+1;
}
/** @see com.aowagie.text.Element#type() */
@Override
public int type() {
return Element.TABLE;
}
/**
* Returns the arraylist with the cells of the table header.
*
* @return an ArrayList
*/
ArrayList getHeaderCells() {
return this.headercells;
}
/**
* Returns the arraylist with the cells of the table.
*
* @return an ArrayList
*/
ArrayList getCells() {
return this.cells;
}
/**
* Returns the number of columns of the table.
*
* @return the number of columns
*/
int columns() {
return this.columns;
}
/**
* Returns the cellpadding of the table.
*
* @return the cellpadding
*/
private final float cellpadding() {
return this.table.getPadding();
}
/**
* Returns the cellspacing of the table.
*
* @return the cellspacing
*/
final float cellspacing() {
return this.table.getSpacing();
}
/**
* Checks if the cells of this Table have to fit a page.
*
* @return true if the cells may not be split
*/
final boolean hasToFitPageCells() {
return this.table.isCellsFitPage();
}
/**
* Gets the offset of this table.
*
* @return the space between this table and the previous element.
*/
public float getOffset() {
return this.table.getOffset();
}
}
