rtfrow.java

iText是一个能够快速产生PDF文件的java类库。iText的java类对于那些要产生包含文本

/*
 * $Id: RtfRow.java 2776 2007-05-23 20:01:40Z hallm $
 * $Name$
 *
 * Copyright 2001, 2002, 2003, 2004, 2005 by Mark Hall
 *
 * 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.rtf.table;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;

import com.lowagie.text.Cell;
import com.lowagie.text.Element;
import com.lowagie.text.Row;
import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.document.RtfDocument;


/**
 * The RtfRow wraps one Row for a RtfTable.
 * INTERNAL USE ONLY
 * 
 * @version $Id: RtfRow.java 2776 2007-05-23 20:01:40Z hallm $
 * @author Mark Hall ([e-mail])
 * @author Steffen Stundzig
 * @author Lorenz Maierhofer
 * @author Thomas Bickel ([e-mail])
 */
public class RtfRow extends RtfElement {

    /**
     * Constant for the RtfRow beginning
     */
    private static final byte[] ROW_BEGIN = "\\trowd".getBytes();
    /**
     * Constant for the RtfRow width style
     */
    private static final byte[] ROW_WIDTH_STYLE = "\\trftsWidth3".getBytes();
    /**
     * Constant for the RtfRow width
     */
    private static final byte[] ROW_WIDTH = "\\trwWidth".getBytes();
    /**
     * Constant to specify that this RtfRow are not to be broken across pages
     */
    private static final byte[] ROW_KEEP_TOGETHER = "\\trkeep".getBytes();
    /**
     * Constant to specify that this is a header RtfRow
     */
    private static final byte[] ROW_HEADER_ROW = "\\trhdr".getBytes();
    /**
     * Constant for left alignment of this RtfRow
     */
    private static final byte[] ROW_ALIGN_LEFT = "\\trql".getBytes();
    /**
     * Constant for right alignment of this RtfRow
     */
    private static final byte[] ROW_ALIGN_RIGHT = "\\trqr".getBytes();
    /**
     * Constant for center alignment of this RtfRow
     */
    private static final byte[] ROW_ALIGN_CENTER = "\\trqc".getBytes();
    /**
     * Constant for justified alignment of this RtfRow
     */
    private static final byte[] ROW_ALIGN_JUSTIFIED = "\\trqj".getBytes();
    /**
     * Constant for the graph style of this RtfRow
     */
    private static final byte[] ROW_GRAPH = "\\trgaph10".getBytes();
    /**
     * Constant for the cell left spacing
     */
    private static final byte[] ROW_CELL_SPACING_LEFT = "\\trspdl".getBytes();
    /**
     * Constant for the cell top spacing
     */
    private static final byte[] ROW_CELL_SPACING_TOP = "\\trspdt".getBytes();
    /**
     * Constant for the cell right spacing
     */
    private static final byte[] ROW_CELL_SPACING_RIGHT = "\\trspdr".getBytes();
    /**
     * Constant for the cell bottom spacing
     */
    private static final byte[] ROW_CELL_SPACING_BOTTOM = "\\trspdb".getBytes();
    /**
     * Constant for the cell left spacing style
     */
    private static final byte[] ROW_CELL_SPACING_LEFT_STYLE = "\\trspdfl3".getBytes();
    /**
     * Constant for the cell top spacing style
     */
    private static final byte[] ROW_CELL_SPACING_TOP_STYLE = "\\trspdft3".getBytes();
    /**
     * Constant for the cell right spacing style
     */
    private static final byte[] ROW_CELL_SPACING_RIGHT_STYLE = "\\trspdfr3".getBytes();
    /**
     * Constant for the cell bottom spacing style
     */
    private static final byte[] ROW_CELL_SPACING_BOTTOM_STYLE = "\\trspdfb3".getBytes();
    /**
     * Constant for the cell left padding
     */
    private static final byte[] ROW_CELL_PADDING_LEFT = "\\trpaddl".getBytes();
    /**
     * Constant for the cell right padding
     */
    private static final byte[] ROW_CELL_PADDING_RIGHT = "\\trpaddr".getBytes();
    /**
     * Constant for the cell left padding style
     */
    private static final byte[] ROW_CELL_PADDING_LEFT_STYLE = "\\trpaddfl3".getBytes();
    /**
     * Constant for the cell right padding style
     */
    private static final byte[] ROW_CELL_PADDING_RIGHT_STYLE = "\\trpaddfr3".getBytes();
    /**
     * Constant for the end of a row
     */
    private static final byte[] ROW_END = "\\row".getBytes();

    /**
     * The RtfTable this RtfRow belongs to
     */
    private RtfTable parentTable = null;
    /**
     * The cells of this RtfRow
     */
    private ArrayList cells = null;
    /**
     * The width of this row
     */
    private int width = 0;
    /**
     * The row number
     */
    private int rowNumber = 0;
    
    /**
     * Constructs a RtfRow for a Row.
     * 
     * @param doc The RtfDocument this RtfRow belongs to
     * @param rtfTable The RtfTable this RtfRow belongs to
     * @param row The Row this RtfRow is based on
     * @param rowNumber The number of this row
     */
    protected RtfRow(RtfDocument doc, RtfTable rtfTable, Row row, int rowNumber) {
        super(doc);
        this.parentTable = rtfTable;
        this.rowNumber = rowNumber;
        importRow(row);
    }
    
    /**
     * Imports a Row and copies all settings
     * 
     * @param row The Row to import
     */
    private void importRow(Row row) {
        this.cells = new ArrayList();
        this.width = this.document.getDocumentHeader().getPageSetting().getPageWidth() - this.document.getDocumentHeader().getPageSetting().getMarginLeft() - this.document.getDocumentHeader().getPageSetting().getMarginRight();
        this.width = (int) (this.width * this.parentTable.getTableWidthPercent() / 100);