| gvSIG desktop 1

/*

 * $Id: NumberRange.java 11087 2007-04-10 08:15:10Z jmvivo $

 * (c)1997 IoS Gesellschaft fr innovative Softwareentwicklung mbH

 * http://www.IoS-Online.de    mailto:info@IoS-Online.de

 *

 * 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 version 2 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 Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 */

package de.ios.framework.swing;

import java.awt.*;

import java.awt.event.*;

import java.util.*;

import de.ios.framework.swing.*;

import de.ios.framework.basic.*;

/**

 * Displays a Textfield with two small buttons in an own panel.

 */

public class NumberRange extends Panel {

  /** Output debugging mssages, if true */

  public static final boolean debug = false;

  /** TextField to hold the current value */

  protected JNumberField value  = null;

  /** Button to increment the current value */

  protected Button      plusB  = new Button("+");;

  /** Button to decrement the current value */

  protected Button      minusB = new Button("-");;

  // Default values

  /** Size of NumberField (digits) */

  protected int digits   = 3;

  /** The smallest allowed value */

  protected int minValue = 0;

  /** The biggest allowed value */

  protected int maxValue = 999;

  /**

   * Default Constructor

   */

  public NumberRange() {

    createDialog();

    value.setValue( new Integer( minValue ) );

  }

  /**

   * Constructor to set an initial value.

   *

   * @param v Initial value

   */

  public NumberRange(int v) {

    createDialog();

    value.setValue( new Integer(v) );

  }

  /**

   * Constructor to set an initial, minimal and maximal value.

   *

   * @param v Initial value

   * @param min Min. value

   * @param max Max. value

   */

  public NumberRange(int v, int min, int max) {

    minValue = min;

    maxValue = max;

    createDialog();

    value.setValue( new Integer(v) );

  }

  /**

   * Constructor to set the field size (digits) and

   * an initial, minimal and maximal value.

   *

   * @param dig Field size (digits)

   * @param v Initial value

   * @param min Min. value

   * @param max Max. value

   */

  public NumberRange(int dig, int v, int min, int max) {

    digits = dig;

    minValue = min;

    maxValue = max;

    createDialog();

    value.setValue( new Integer(v) );

  }

  /**

   * Arranges the GUI components

   */

  protected void createDialog() {

    value  = new JNumberField( digits );

    value.setEditable( false );

    setLayout( new FlowLayout( FlowLayout.LEFT, 1, 1) );

    add( value  );

    add( plusB  );

    add( minusB );

    // Button events

    plusB.addActionListener( new ActionListener() {

      public void actionPerformed(ActionEvent e) {

        incValue();

      }

    });

    minusB.addActionListener( new ActionListener() {

      public void actionPerformed(ActionEvent e) {

        decValue();

      }

    });

  }

  /**

   * Increment the current value.

   */

  protected void incValue() {

    int v = this.getValue();

    if (v < maxValue) {

      value.setValue( new Integer(v+1) );

    }

  }

  /**

   * Decrement the current value.

   */

  protected void decValue() {

    int v = this.getValue();

    if (v > minValue) {

      value.setValue( new Integer(v-1) );

    }

  }

  /**

   * Returns the current value.

   */

  public int getValue() {

    return value.getIntegerValue().intValue();

  }

  /**

   * Sets the current value

   */

  public void setValue(int v) {

    value.setValue( new Integer(v) );

  }

}

/*

 * $Log$

 * Revision 1.1.2.2  2007-04-10 08:15:10  jmvivo

 * Por compatibilidad con la v1_0_1 se vuelve a usar JNumberField

 *

 * Revision 1.1.2.1  2007/01/19 13:42:54  caballero

 * NumericField

 *

 * Revision 1.1.1.1  2001/02/07 15:24:01  rtfm

 * initial

 *

 * Revision 1.4  1998/05/15 08:45:04  js

 * added setValue

 *

 * Revision 1.3  1998/04/21 15:39:25  js

 * More comments.

 *

 * Revision 1.2  1998/04/17 12:49:13  js

 * Changes for layout of CardViews (missing right line...)

 *

 * Revision 1.1  1998/04/17 07:58:20  js

 * A textfield (NumberField) with two buttons to increment/decrement the

 * numerical value.

 *

 */