fr.opensagres.xdocreport.itext.extension.ExtendedSection.java Source code

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Here is the source code for fr.opensagres.xdocreport.itext.extension.ExtendedSection.java

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/**
 * Copyright (C) 2011-2015 The XDocReport Team <xdocreport@googlegroups.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.xdocreport.itext.extension;

import java.util.ArrayList;

import com.lowagie.text.Chunk;
import com.lowagie.text.MarkedSection;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Rectangle;
import com.lowagie.text.Section;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;

public class ExtendedSection extends Section {

    private PdfPCell cell;

    private com.lowagie.text.Paragraph computedTitle;

    private Paragraph bookmarkTitleParagraph;

    public ExtendedSection(Paragraph title, int numberDepth) {
        super(title, numberDepth);
    }

    @Override
    public Paragraph getTitle() {
        if (computedTitle == null) {
            bookmarkTitleParagraph = ExtendedSection.ancestorConstructTitle(getParagraphFactory(), title, numbers,
                    numberDepth, numberStyle);
            computedTitle = ExtendedSection.constructTitle(getParagraphFactory(), bookmarkTitleParagraph, numbers,
                    numberDepth, numberStyle, cell);
        }
        return computedTitle;
    }

    @Override
    public Paragraph getBookmarkTitle() {
        return bookmarkTitleParagraph;
    }

    public Section addSection(float indentation, Paragraph title, int numberDepth) {
        if (isAddedCompletely()) {
            throw new IllegalStateException("This LargeElement has already been added to the Document.");
        }
        Section section = new ExtendedSection(title, numberDepth);
        section.setIndentation(indentation);
        add(section);
        return section;
    }

    public MarkedSection addMarkedSection() {
        MarkedSection section = new MarkedSection(new ExtendedSection(null, numberDepth + 1));
        add(section);
        return section;
    }

    public static Paragraph constructTitle(IParagraphFactory factory, Paragraph ancestorTitle, ArrayList numbers,
            int numberDepth, int numberStyle, PdfPCell cell) {
        if (ancestorTitle != null && cell != null) {
            Paragraph newTitle = factory.createParagraph();
            PdfPTable table = new PdfPTable(1);
            table.setWidthPercentage(100f);
            cell.addElement(ancestorTitle);
            table.addCell(cell);
            newTitle.add(table);
            return newTitle;
        }
        return ancestorTitle;
    }

    /**
     * Constructs a Paragraph that will be used as title for a Section or Chapter.
     * 
     * @param title the title of the section
     * @param numbers a list of sectionnumbers
     * @param numberDepth how many numbers have to be shown
     * @param numberStyle the numbering style
     * @return a Paragraph object
     * @since iText 2.0.8
     */
    public static Paragraph ancestorConstructTitle(IParagraphFactory factory, Paragraph title, ArrayList numbers,
            int numberDepth, int numberStyle) {
        if (title == null) {
            return null;
        }

        int depth = Math.min(numbers.size(), numberDepth);
        if (depth < 1) {
            return title;
        }
        StringBuffer buf = new StringBuffer(" ");
        for (int i = 0; i < depth; i++) {
            buf.insert(0, ".");
            buf.insert(0, ((Integer) numbers.get(i)).intValue());
        }
        if (numberStyle == NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT) {
            buf.deleteCharAt(buf.length() - 2);
        }
        Paragraph result = factory.createParagraph(title);
        result.add(0, new Chunk(buf.toString(), title.getFont()));
        return result;
    }

    public PdfPCell getPdfPCell() {
        if (cell != null) {
            return cell;
        }
        cell = createPdfPCell();
        return cell;
    }

    private synchronized PdfPCell createPdfPCell() {
        if (cell != null) {
            return cell;
        }
        PdfPCell cell = new PdfPCell();
        cell.setBorder(Rectangle.NO_BORDER);
        cell.setPadding(0);
        return cell;
    }

    protected IParagraphFactory getParagraphFactory() {
        return ParagraphFactory.getDefault();
    }
}