/*
    GNU GENERAL LICENSE
    Copyright (C) 2006 The Lobo Project. Copyright (C) 2014 - 2017 Lobo Evolution

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    verion 3 of the License, or (at your option) any later version.

    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
    General License for more details.

    You should have received a copy of the GNU General Public
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
    

    Contact info: lobochief@users.sourceforge.net; ivan.difrancesco@yahoo.it
 */
/*
 * Created on Dec 3, 2005
 */
package org.lobobrowser.html.renderer;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.lobobrowser.html.domimpl.HTMLTableElementImpl;
import org.lobobrowser.html.style.CSSValuesProperties;
import org.lobobrowser.html.style.HtmlLength;
import org.lobobrowser.html.style.HtmlValues;
import org.lobobrowser.w3c.html.HTMLTableElement;

/**
 * The Class VirtualCell.
 */
public class VirtualCell implements CSSValuesProperties{
	
	/** The Constant logger. */
	private static final Logger logger = LogManager.getLogger(VirtualCell.class);

    /** The actual cell. */
    private final RTableCell actualCell;

    /** The is top left. */
    private final boolean isTopLeft;

    /** The column. */
    private int column;

    /** The row. */
    private int row;

    /**
     * Instantiates a new virtual cell.
     *
     * @param cell
     *            the cell
     * @param isTopLeft
     *            the is top left
     */
    public VirtualCell(RTableCell cell, boolean isTopLeft) {
        actualCell = cell;
        this.isTopLeft = isTopLeft;
    }

    /** Checks if is top left.
	 *
	 * @return true, if is top left
	 */
    public boolean isTopLeft() {
        return this.isTopLeft;
    }

    /** Gets the column.
	 *
	 * @return the column
	 */
    public int getColumn() {
        return column;
    }

    /** Sets the column.
	 *
	 * @param column
	 *            the new column
	 */
    public void setColumn(int column) {
        this.column = column;
    }

    /** Gets the row.
	 *
	 * @return the row
	 */
    public int getRow() {
        return row;
    }

    /** Sets the row.
	 *
	 * @param row
	 *            the new row
	 */
    public void setRow(int row) {
        this.row = row;
    }

    /** Gets the actual cell.
	 *
	 * @return the actual cell
	 */
    public RTableCell getActualCell() {
        return actualCell;
    }

    /** Gets the height length.
	 *
	 * @return the height length
	 */
    public HtmlLength getHeightLength() {
        // TODO: Does not consider cellpadding and border
        RTableCell cell = this.actualCell;
        String heightText = cell.getHeightText();
        
        HtmlLength length;
        try {
        	if (INHERIT.equals(heightText)) {
				Object parent = cell.getParent().getModelNode();
				if (parent instanceof HTMLTableElement) {
					HTMLTableElementImpl el = (HTMLTableElementImpl) parent;
					heightText = el.getCurrentStyle().getHeight();
				}
			}
        	length = heightText == null ? null : new HtmlLength(heightText);
        } catch (Exception err) {
        	err.printStackTrace();
            length = null;
        }
        if (length != null) {
            length.divideBy(cell.getRowSpan());
        }
        return length;
    }

    /** Gets the width length.
	 *
	 * @return the width length
	 */
    public HtmlLength getWidthLength() {
        RTableCell cell = this.actualCell;
        String widthText = cell.getWidthText();
        HtmlLength length;
        try {
        	if (INHERIT.equals(widthText)) {
				Object parent = cell.getParent().getModelNode();
				if (parent instanceof HTMLTableElement) {
					HTMLTableElementImpl el = (HTMLTableElementImpl) parent;
					widthText = el.getCurrentStyle().getWidth();
				}
			}
            length = widthText == null ? null : new HtmlLength(widthText);
        } catch (Exception err) {
            length = null;
        }
        if (length != null) {
            length.divideBy(cell.getColSpan());
        }
        return length;
    }
}