/*
 * $Id$
 *
 * Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie.
 *
 * 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;

import java.awt.Color;

/**
 * A <CODE>RectangleReadOnly</CODE> is the representation of a geometric figure.
 * It's the same as a <CODE>Rectangle</CODE> but immutable.
 * Rectangles support constant width borders using
 * {@link #setBorderWidth(float)}and {@link #setBorder(int)}. They also
 * support borders that vary in width/color on each side using methods like
 * {@link #setBorderWidthLeft(float)}or
 * {@link #setBorderColorLeft(java.awt.Color)}.
 * 
 * @see Element
 * @see Table
 * @see Cell
 * @see HeaderFooter
 * @since 2.1.2
 */

public class RectangleReadOnly extends Rectangle {


	// constructors

	/**
	 * Constructs a <CODE>RectangleReadOnly</CODE> -object.
	 * 
	 * @param llx
	 *            lower left x
	 * @param lly
	 *            lower left y
	 * @param urx
	 *            upper right x
	 * @param ury
	 *            upper right y
	 */
	public RectangleReadOnly(float llx, float lly, float urx, float ury) {
        super(llx, lly, urx, ury);
	}

	/**
	 * Constructs a <CODE>RectangleReadOnly</CODE> -object starting from the origin
	 * (0, 0).
	 * 
	 * @param urx
	 *            upper right x
	 * @param ury
	 *            upper right y
	 */
	public RectangleReadOnly(float urx, float ury) {
		super(0, 0, urx, ury);
	}

	/**
	 * Constructs a <CODE>RectangleReadOnly</CODE> -object.
	 * 
	 * @param rect
	 *            another <CODE>Rectangle</CODE>
	 */
	public RectangleReadOnly(Rectangle rect) {
		super(rect.llx, rect.lly, rect.urx, rect.ury);
		super.cloneNonPositionParameters(rect);
	}

    private void throwReadOnlyError() {
        throw new UnsupportedOperationException("RectangleReadOnly: this Rectangle is read only.");
    }
    
	// methods to get/set the dimensions

	/**
	 * Sets the lower left x-coordinate.
	 * 
	 * @param value
	 *            the new value
	 */
	public void setLeft(float value) {
		throwReadOnlyError();
	}

	/**
	 * Sets the upper right x-coordinate.
	 * 
	 * @param value
	 *            the new value
	 */

	public void setRight(float value) {
		throwReadOnlyError();
	}

	/**
	 * Sets the upper right y-coordinate.
	 * 
	 * @param value
	 *            the new value
	 */
	public void setTop(float value) {
		throwReadOnlyError();
	}

	/**
	 * Sets the lower left y-coordinate.
	 * 
	 * @param value
	 *            the new value
	 */
	public void setBottom(float value) {
		throwReadOnlyError();
	}

	/**
	 * Switches lowerleft with upperright
	 */
	public void normalize() {
		throwReadOnlyError();
	}

	// border

	/**
	 * Enables/Disables the border on the specified sides. The border is
	 * specified as an integer bitwise combination of the constants: <CODE>
	 * LEFT, RIGHT, TOP, BOTTOM</CODE>.
	 * 
	 * @see #enableBorderSide(int)
	 * @see #disableBorderSide(int)
	 * @param value
	 *            the new value
	 */
	public void setBorder(int value) {
		throwReadOnlyError();
	}

	/**
	 * Enables the border on the specified side.
	 * 
	 * @param side
	 *            the side to enable. One of <CODE>LEFT, RIGHT, TOP, BOTTOM
	 *            </CODE>
	 */
	public void enableBorderSide(int side) {
		throwReadOnlyError();
	}

	/**
	 * Disables the border on the specified side.
	 * 
	 * @param side
	 *            the side to disable. One of <CODE>LEFT, RIGHT, TOP, BOTTOM
	 *            </CODE>
	 */
	public void disableBorderSide(int side) {
		throwReadOnlyError();
	}

	// borderwidth

	/**
	 * Sets the borderwidth of the table.
	 * 
	 * @param value
	 *            the new value
	 */

	public void setBorderWidth(float value) {
		throwReadOnlyError();
	}

	// bordercolor

	/**
	 * Sets the color of the border.
	 * 
	 * @param value
	 *            the new value
	 */

	public void setBorderColor(Color value) {
		throwReadOnlyError();
	}

	// backgroundcolor

	/**
	 * Sets the backgroundcolor of the rectangle.
	 * 
	 * @param value
	 *            the new value
	 */

	public void setBackgroundColor(Color value) {
		throwReadOnlyError();
	}

	/**
	 * Sets the grayscale of the rectangle.
	 * 
	 * @param value
	 *            the new value
	 */
	public void setGrayFill(float value) {
		throwReadOnlyError();
	}

	// variable borders
	
	/**
	 * Sets a parameter indicating if the rectangle has variable borders
	 * 
	 * @param useVariableBorders
	 *            indication if the rectangle has variable borders
	 */
	public void setUseVariableBorders(boolean useVariableBorders) {
		throwReadOnlyError();
	}
	
	// variable border width

	/**
	 * Sets the width of a border
	 * 
	 * @param borderWidthLeft
	 *            a width
	 */
	public void setBorderWidthLeft(float borderWidthLeft) {
		throwReadOnlyError();
	}

	/**
	 * Sets the width of a border
	 * 
	 * @param borderWidthRight
	 *            a width
	 */
	public void setBorderWidthRight(float borderWidthRight) {
		throwReadOnlyError();
	}

	/**
	 * Sets the width of a border
	 * 
	 * @param borderWidthTop
	 *            a width
	 */
	public void setBorderWidthTop(float borderWidthTop) {
		throwReadOnlyError();
	}

	/**
	 * Sets the width of a border
	 * 
	 * @param borderWidthBottom
	 *            a width
	 */
	public void setBorderWidthBottom(float borderWidthBottom) {
		throwReadOnlyError();
	}

	// variable border color
	
	/**
	 * Sets the value of the border color
	 * 
	 * @param value
	 *            a color value
	 */
	public void setBorderColorLeft(Color value) {
		throwReadOnlyError();
	}

	/**
	 * Sets the value of the border color
	 * 
	 * @param value
	 *            a color value
	 */
	public void setBorderColorRight(Color value) {
		throwReadOnlyError();
	}

	/**
	 * Sets the value of the border color
	 * 
	 * @param value
	 *            a color value
	 */
	public void setBorderColorTop(Color value) {
		throwReadOnlyError();
	}

	/**
	 * Sets the value of the border color
	 * 
	 * @param value
	 *            a color value
	 */
	public void setBorderColorBottom(Color value) {
		throwReadOnlyError();
	}

	// special methods

	/**
	 * Copies all of the parameters from a <CODE>Rectangle</CODE> object
	 * except the position.
	 * 
	 * @param rect
	 *            <CODE>Rectangle</CODE> to copy from
	 */
	public void cloneNonPositionParameters(Rectangle rect) {
		throwReadOnlyError();
	}

	/**
	 * Copies all of the parameters from a <CODE>Rectangle</CODE> object
	 * except the position.
	 * 
	 * @param rect
	 *            <CODE>Rectangle</CODE> to copy from
	 */
	public void softCloneNonPositionParameters(Rectangle rect) {
		throwReadOnlyError();
	}
	
	/**
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		StringBuffer buf = new StringBuffer("RectangleReadOnly: ");
		buf.append(getWidth());
		buf.append('x');
		buf.append(getHeight());
		buf.append(" (rot: ");
		buf.append(rotation);
		buf.append(" degrees)");
		return buf.toString();
	}
}