com.itextpdf.tool.xml.css.DefaultCssInheritanceRules Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of xmlworker Show documentation
Parses XML to PDF, with CSS support, using iText
The newest version!
/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2022 iText Group NV
 * 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
 * ITEXT GROUP. ITEXT GROUP 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:
 * [email protected]
 */
package com.itextpdf.tool.xml.css;

import java.util.Arrays;
import java.util.List;

import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.html.HTML;

/**
 * @author redlab_b
 *
 */
public class DefaultCssInheritanceRules implements CssInheritanceRules {

	/*
	 * (non-Javadoc)
	 *
	 * @see
	 * com.itextpdf.tool.xml.css.CssInheritanceRules#inheritCssTag(java.lang
	 * .String)
	 */
	public boolean inheritCssTag(final String tag) {
		return true;
	}

	private static final List GLOBAL = Arrays.asList(new String[] {
			CSS.Property.WIDTH, CSS.Property.HEIGHT,
			CSS.Property.MIN_WIDTH, CSS.Property.MAX_WIDTH,
			CSS.Property.MIN_HEIGHT, CSS.Property.MAX_HEIGHT,
			CSS.Property.MARGIN,
			CSS.Property.MARGIN_LEFT, CSS.Property.MARGIN_RIGHT,
			CSS.Property.MARGIN_TOP, CSS.Property.MARGIN_BOTTOM,
			CSS.Property.PADDING,
			CSS.Property.PADDING_LEFT, CSS.Property.PADDING_RIGHT,
			CSS.Property.PADDING_TOP, CSS.Property.PADDING_BOTTOM,
			CSS.Property.BORDER_TOP_WIDTH, CSS.Property.BORDER_TOP_STYLE, CSS.Property.BORDER_TOP_COLOR,
			CSS.Property.BORDER_BOTTOM_WIDTH,CSS.Property.BORDER_BOTTOM_STYLE, CSS.Property.BORDER_BOTTOM_COLOR,
			CSS.Property.BORDER_LEFT_WIDTH,	CSS.Property.BORDER_LEFT_STYLE,	CSS.Property.BORDER_LEFT_COLOR,
			CSS.Property.BORDER_RIGHT_WIDTH, CSS.Property.BORDER_RIGHT_STYLE,CSS.Property.BORDER_RIGHT_COLOR,
			CSS.Property.PAGE_BREAK_BEFORE, CSS.Property.PAGE_BREAK_AFTER,
			CSS.Property.LEFT, CSS.Property.TOP,CSS.Property.RIGHT,CSS.Property.BOTTOM,
			CSS.Property.POSITION });
	private static final List PARENT_TO_TABLE = Arrays.asList(new String[] { "line-height", "font-size",
			"font-style", "font-weight",
			"text-indent",
            CSS.Property.CELLPADDING, CSS.Property.CELLPADDING_LEFT, CSS.Property.CELLPADDING_TOP,
            CSS.Property.CELLPADDING_RIGHT, CSS.Property.CELLPADDING_BOTTOM, CSS.Property.DIRECTION});
	private static final List TABLE_IN_ROW = Arrays.asList(new String[] { "background-color", CSS.Property.DIRECTION });
    private static final List DIV_TO_CONTENT = Arrays.asList(new String[] { CSS.Property.BACKGROUND , CSS.Property.BACKGROUND_COLOR, CSS.Property.FLOAT});
	// styles that should not be applied on the content of a td-tag.
	private static final List TD_TO_CONTENT = Arrays.asList(new String[] { "vertical-align" });

	/*
	 * (non-Javadoc)
	 *
	 * @see
	 * com.itextpdf.tool.xml.css.CssInheritanceRules#inheritCssSelector(com.
	 * itextpdf.tool.xml.Tag, java.lang.String)
	 */
	public boolean inheritCssSelector(final Tag tag, final String key) {
		if (GLOBAL.contains(key)) {
			return false;
		}
		if (HTML.Tag.TABLE.equals(tag.getName())) {
			return !PARENT_TO_TABLE.contains(key);
		}
		if (HTML.Tag.TABLE.equals(tag.getParent().getName())) {
			return !TABLE_IN_ROW.contains(key);
		}
		if (HTML.Tag.TD.equalsIgnoreCase(tag.getParent().getName())) {
			return !TD_TO_CONTENT.contains(key);
		}
        if (HTML.Tag.DIV.equalsIgnoreCase(tag.getParent().getName())) {
			return !DIV_TO_CONTENT.contains(key);
		}

		return true;
	}

}