| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.gui.beans.textincreaser;

import java.awt.FlowLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import java.util.ArrayList;

import java.util.Iterator;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.gvsig.gui.beans.BaseComponent;

/**

 * 

 * Nacho Brodin (brodin_ign@gva.es)

 */

public class TextIncreaserContainer extends BaseComponent implements ActionListener, KeyListener{

        private static final long serialVersionUID = 7570162018139822874L;

        private int                                 width = 70;

        private JTextField                         tText = null;

        private JPanel                                pButtons = null;

        private JButton                         bmas = null;

        private JButton                         bmenos = null;

        private JPanel                                pGeneral = null;

        private        double                                 minValue = 0;

        private        double                                 maxValue = 100;

        private double                                value = 0.0; 

        private String                                pathToImages = "images/";//"/com/iver/cit/gvsig/gui/panels/images/";

        /**

         * Variable que est? a true si los controles est?n a la derecha

         */

        private boolean isRight = true;

        private ArrayList actionCommandListeners = new ArrayList();

        private boolean bDoCallListeners = true;

        static private int eventId = Integer.MIN_VALUE;

        /**

         * Creaci?n de un componente TextIncrearserContainer

         * @param width Ancho del componente

         * @param minValue M?nimo valor que puede tomar el texto del control

         * @param maxValue M?ximo valor que puede tomar el texto del control

         * @param right        a true si queremos que los controles se muestren a la derecha del TextBox

         * y false si los queremos a la izquierda

         */

        public TextIncreaserContainer(int width, double minValue, double maxValue, double init, boolean right) {

                super();

                this.width = width;

                this.minValue = minValue;

                this.maxValue = maxValue;

                this.isRight = right;

                this.value = init;

                initialize();

        }

        /**

         * This method initializes this

         * 

         */

        private void initialize() {

        FlowLayout flowLayout = new FlowLayout();

        flowLayout.setHgap(0);

        flowLayout.setVgap(0);

        FlowLayout flowLayout5 = new FlowLayout();

        flowLayout5.setHgap(0);

        flowLayout5.setVgap(0);

        this.setLayout(flowLayout5);

        //this.setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.gray,1));

        this.setSize(new java.awt.Dimension(width, width));

        this.setPreferredSize(new java.awt.Dimension(width, width));

        this.add(getPGeneral(), null);

        }

        /**

         * Asigna un valor al textBox

         * @param value

         */

        public void setValue(double value){

                this.value = value; 

                getTText().setText(Double.toString(value));

        }

        /**

         * Obtiene el valor del textBox

         * @return value

         */

        public double getValue(){

                return value;

        }

        /**

         * This method initializes jTextField        

         *         

         * @return javax.swing.JTextField        

         */

        private JTextField getTText() {

                if (tText == null) {

                        tText = new JTextField();

                        tText.setText(Double.toString(value));

                        tText.setPreferredSize(new java.awt.Dimension(width - 25,25));

                        tText.addKeyListener(this);

                }

                return tText;

        }

        /**

         * This method initializes jPanel        

         *         

         * @return javax.swing.JPanel        

         */

        private JPanel getPButtons() {

                if (pButtons == null) {

                        GridBagConstraints gridBagConstraints3 = new GridBagConstraints();

                        gridBagConstraints3.insets = new java.awt.Insets(0,0,0,0);

                        gridBagConstraints3.gridy = 1;

                        gridBagConstraints3.gridx = 0;

                        GridBagConstraints gridBagConstraints2 = new GridBagConstraints();

                        gridBagConstraints2.insets = new java.awt.Insets(0,0,0,0);

                        gridBagConstraints2.gridy = 0;

                        gridBagConstraints2.gridx = 0;

                        pButtons = new JPanel();

                        pButtons.setLayout(new GridBagLayout());

                        pButtons.setPreferredSize(new java.awt.Dimension(25,25));

                        pButtons.add(getBmas(), gridBagConstraints2);

                        pButtons.add(getBmenos(), gridBagConstraints3);

                }

                return pButtons;

        }

        /**

         * This method initializes jButton        

         *         

         * @return javax.swing.JButton        

         */

        private JButton getBmas() {

                if (bmas == null) {

                        bmas = new JButton();

                        bmas.setPreferredSize(new java.awt.Dimension(25,12));

                        bmas.addActionListener(this);

                        bmas.setIcon(new ImageIcon(getClass().getResource(pathToImages + "mas.png")));

                }

                return bmas;

        }

        /**

         * This method initializes jButton1        

         *         

         * @return javax.swing.JButton        

         */

        private JButton getBmenos() {

                if (bmenos == null) {

                        bmenos = new JButton();

                        bmenos.setPreferredSize(new java.awt.Dimension(25,12));

                        bmenos.addActionListener(this);

                        bmenos.setIcon(new ImageIcon(getClass().getResource(pathToImages + "menos.png")));

                }

                return bmenos;

        }

        /**

         * This method initializes jPanel        

         *         

         * @return javax.swing.JPanel        

         */

        private JPanel getPGeneral() {

                if (pGeneral == null) {

                        GridBagConstraints gridBagConstraints1 = new GridBagConstraints();

                        GridBagConstraints gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

                        if(isRight){

                                gridBagConstraints1.gridx = 1;

                                gridBagConstraints.gridx = 0;

                        }else{

                                gridBagConstraints1.gridx = 0;

                                gridBagConstraints.gridx = 1;

                        }

                        gridBagConstraints.gridy = 0;

                        gridBagConstraints1.gridy = 0;

                        gridBagConstraints.weightx = 1.0;

                        pGeneral = new JPanel();

                        pGeneral.setLayout(new GridBagLayout());

                        pGeneral.setPreferredSize(new java.awt.Dimension(width, 25));

                        pGeneral.add(getTText(), gridBagConstraints);

                        pGeneral.add(getPButtons(), gridBagConstraints1);

                }

                return pGeneral;

        }

        public void actionPerformed(ActionEvent e) {

                if (e.getSource() == bmas) {

                        value ++;

                        checkValues();

                }

                if (e.getSource() == bmenos) {

                        value --;

                        checkValues();

                }

                callValueChangedListeners();

        }

        public void addValueChangedListener(TextIncreaserListener listener) {

                if (!actionCommandListeners.contains(listener))

                        actionCommandListeners.add(listener);

        }

        public void removeValueChangedListener(TextIncreaserListener listener) {

                actionCommandListeners.remove(listener);

        }

        private void callValueChangedListeners() {

                if (!bDoCallListeners)

                        return;

                Iterator acIterator = actionCommandListeners.iterator();

                while (acIterator.hasNext()) {

                        TextIncreaserListener listener = (TextIncreaserListener) acIterator.next();

                        listener.actionValueChanged(new TextIncreaserEvent(this));

                }

                eventId++;

        }

        private void checkValues() {

                if (value >= maxValue) value = maxValue;

                if (value <= minValue) value = minValue;

                tText.setText(Double.toString(value));

        }

        public void keyPressed(KeyEvent e) {

                if (e.getKeyCode() == 10) {

                        try {

                                value = Double.valueOf(getTText().getText()).doubleValue();        

                        } catch(NumberFormatException exc) {

                        }

                        checkValues();

                        callValueChangedListeners();

                }

        }

        public void keyReleased(KeyEvent e) {

                // TODO Auto-generated method stub

        }

        public void keyTyped(KeyEvent e) {

                // TODO Auto-generated method stub

        }        

}