CssAppliersImpl.java

/*
 * $Id: CssAppliersImpl.java 341 2012-06-18 14:38:54Z blowagie $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2012 1T3XT BVBA
 * Authors: Balder Van Camp, Emiel Ackermann, 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: sales@itextpdf.com
 */
package com.itextpdf.tool.xml.html;

import com.itextpdf.text.Chunk;
import com.itextpdf.text.Element;
import com.itextpdf.text.FontProvider;
import com.itextpdf.text.List;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfDiv;
import com.itextpdf.text.pdf.draw.LineSeparator;
import com.itextpdf.text.Image;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.css.apply.*;
import com.itextpdf.tool.xml.html.pdfelement.HtmlCell;
import com.itextpdf.tool.xml.html.pdfelement.NoNewLineParagraph;
import com.itextpdf.tool.xml.pipeline.html.HtmlPipelineContext;
import com.itextpdf.tool.xml.pipeline.html.ImageProvider;
import com.itextpdf.tool.xml.pipeline.html.NoImageProviderException;

/**
 * Applies CSS to an Element using the appliers from the <code>com.itextpdf.tool.xml.css.apply</code>.
 *
 * @author redlab_b
 *
 *
 */
public class CssAppliersImpl implements CssAppliers {

	/*
	 * private static CssAppliersImpl myself = new CssAppliersImpl();
	 *
	 * public static CssAppliersImpl getInstance() { return myself; }
	 */
	protected ChunkCssApplier chunk;
	protected ParagraphCssApplier paragraph;
	private NoNewLineParagraphCssApplier nonewlineparagraph;
	private HtmlCellCssApplier htmlcell;
	private ListStyleTypeCssApplier list;
	private LineSeparatorCssApplier lineseparator;
	private ImageCssApplier image;
    private DivCssApplier div;
	/**
	 *
	 */
	public CssAppliersImpl() {
		chunk = new ChunkCssApplier(null);
		paragraph = new ParagraphCssApplier(this);
		nonewlineparagraph = new NoNewLineParagraphCssApplier();
		htmlcell = new HtmlCellCssApplier();
		list = new ListStyleTypeCssApplier();
		lineseparator = new LineSeparatorCssApplier();
		image = new ImageCssApplier();
        div = new DivCssApplier();
	}

    public CssAppliersImpl(FontProvider fontProvider) {
        this();
        chunk.setFontProvider(fontProvider);
	}

	/* (non-Javadoc)
	 * @see com.itextpdf.tool.xml.html.CssAppliers#apply(com.itextpdf.text.Element, com.itextpdf.tool.xml.Tag, com.itextpdf.tool.xml.css.apply.MarginMemory, com.itextpdf.tool.xml.css.apply.PageSizeContainable, com.itextpdf.tool.xml.pipeline.html.ImageProvider)
	 */
	public Element apply(Element e, final Tag t, final MarginMemory mm, final PageSizeContainable psc, final ImageProvider ip) {
		// warning, mapping is done by instance of, make sure to add things in the right order when adding more.
		if (e instanceof Chunk) { // covers TabbedChunk & Chunk
			e = chunk.apply((Chunk) e, t);
		} else if (e instanceof Paragraph) {
			e = paragraph.apply((Paragraph) e, t, mm);
		} else if (e instanceof NoNewLineParagraph) {
			e = nonewlineparagraph.apply((NoNewLineParagraph) e, t, mm);
		} else if (e instanceof HtmlCell) {
			e = htmlcell.apply((HtmlCell) e, t, mm, psc);
		} else if (e instanceof List) {
			e = list.apply((List) e, t, ip);
		} else if (e instanceof LineSeparator) {
			e = lineseparator.apply((LineSeparator) e, t, psc);
		} else if (e instanceof Image) {
			e = image.apply((Image) e, t);
		} else if (e instanceof PdfDiv) {
            e = div.apply((PdfDiv)e, t, mm, psc);
        }
		return e;

	}

	/* (non-Javadoc)
	 * @see com.itextpdf.tool.xml.html.CssAppliers#apply(com.itextpdf.text.Element, com.itextpdf.tool.xml.Tag, com.itextpdf.tool.xml.pipeline.html.HtmlPipelineContext)
	 */
	public Element apply(final Element e, final Tag t, final HtmlPipelineContext ctx) {
		try {
			return this.apply(e, t, ctx, ctx, ctx.getImageProvider());
		} catch (NoImageProviderException e1) {
			return this.apply(e, t, ctx, ctx, null);
		}
	}

	public ChunkCssApplier getChunkCssAplier() {
        return  chunk;
    }

    public void setChunkCssAplier(final ChunkCssApplier chunkCssAplier) {
        this.chunk = chunkCssAplier;
    }

    public CssAppliers clone() {
        CssAppliersImpl clone = new CssAppliersImpl();
        clone.chunk = chunk;

	    clone.paragraph = paragraph;
	    clone.nonewlineparagraph = nonewlineparagraph;
	    clone.htmlcell = htmlcell;
	    clone.list = list;
	    clone.lineseparator = lineseparator;
	    clone.image = image;
        clone.div = div;

        return clone;
    }
}