Application: gvSIG desktop » gvSIG Document Layout

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.app.project.documents.layout.fframes.gui;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.awt.event.KeyEvent;

import javax.swing.JButton;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.gvsig.andami.PluginServices;

public class JPRotation extends JPanel {

    private static final long serialVersionUID = 5537314374490402138L;

    private JPRotationView pRotationView = null;

    private JPanel pButtons = null;

    private JButton bLeft = null;

    private JTextField txtRotation = null;

    private String parsedText = null;

    private JButton bRight = null;

    public void setRotation(double rot) {

        getPRotationView().setRotation(rot);

        setTextRotation(rot);

    }

    private void setTextRotation(double d) {

        String s = String.valueOf(d);

        if (s.endsWith(".0")) {

            txtRotation.setText(s.substring(0, s.length() - 2));

        } else {

            txtRotation.setText(s);

        }

    }

    public double getRotation() {

        return getPRotationView().getRotation();

    }

    /**

     * This method initializes pRotationView

     * 

     * @return javax.swing.JPanel

     */

    private JPRotationView getPRotationView() {

        if (pRotationView == null) {

            pRotationView = new JPRotationView();

            pRotationView.setForeground(java.awt.Color.black);

            pRotationView.setBackground(java.awt.SystemColor.controlShadow);

            pRotationView.setPreferredSize(new java.awt.Dimension(80, 50));

        }

        return pRotationView;

    }

    /**

     * This method initializes pButtons

     * 

     * @return javax.swing.JPanel

     */

    private JPanel getPButtons() {

        if (pButtons == null) {

            pButtons = new JPanel();

            pButtons.add(getBLeft(), null);

            pButtons.add(getTxtRotation(), null);

            pButtons.add(getBRight(), null);

        }

        return pButtons;

    }

    /**

     * This method initializes bLeft

     * 

     * @return javax.swing.JButton

     */

    private JButton getBLeft() {

        if (bLeft == null) {

            bLeft = new JButton();

            bLeft.setPreferredSize(new java.awt.Dimension(24, 24));

            bLeft.setIcon(PluginServices.getIconTheme().get(

                "left-rotation-icon"));

            bLeft.addActionListener(new java.awt.event.ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                    setRotation(Double.parseDouble(txtRotation.getText()) + 1);

                    getTxtRotation().setText(txtRotation.getText());

                    getPRotationView().repaint();

                }

            });

        }

        return bLeft;

    }

    /**

     * This method initializes txtRotation

     * 

     * @return javax.swing.JTextField

     */

    private JTextField getTxtRotation() {

        if (txtRotation == null) {

            txtRotation = new JTextField();

            txtRotation.setPreferredSize(new java.awt.Dimension(45, 24));

            txtRotation.addFocusListener(new FocusListener() {

                                public void focusLost(FocusEvent e) {

                    if (txtRotation.getText().endsWith(".")) {

                        return;

                    }

                    try {

                        setRotation(Double.parseDouble(txtRotation.getText()));

                    } catch (NumberFormatException e1) {

                            String oldText = parsedText;

                            parsedText = txtRotation.getText();

                            if (!parsedText.equals(oldText)) { // don't show more than once for the same string

                                    JOptionPane.showMessageDialog(

                                                    (Component) PluginServices.getMainFrame(),

                                                    PluginServices.getText(this, "numero_incorrecto"));

                            }

                    }

                    getPRotationView().repaint();                                }

                                public void focusGained(FocusEvent e) {

                                }

                        });

            txtRotation.addKeyListener(new java.awt.event.KeyAdapter() {

                public void keyReleased(java.awt.event.KeyEvent e) {

                        String text = txtRotation.getText();

                        if (text.endsWith(".")) {

                                return;

                        }

                                        Double value = getDouble(text);

                                        if (value!=null) {

                                                setRotation(value);

                                                getPRotationView().repaint();

                                        }

                                        else if (e.getKeyCode()==KeyEvent.VK_ENTER) {

                            String oldText = parsedText;

                            parsedText = txtRotation.getText();

                            if (!parsedText.equals(oldText)) { // don't show more than once for the same string

                                    JOptionPane.showMessageDialog(

                                                    (Component) PluginServices.getMainFrame(),

                                                    PluginServices.getText(this, "numero_incorrecto"));

                            }

                                        }

                }

            });

            setTextRotation(getRotation());

        }

        return txtRotation;

    }

    protected Double getDouble(String strValue) {

                // allow comma separated decimal values

                String text = strValue.replaceAll(",", ".");

                try {

                        return Double.parseDouble(text);

                } catch (NumberFormatException e1) {

                }

                return null;

    }

    /**

     * This method initializes bRight

     * 

     * @return javax.swing.JButton

     */

    private JButton getBRight() {

        if (bRight == null) {

            bRight = new JButton();

            bRight.setPreferredSize(new java.awt.Dimension(24, 24));

            bRight.setIcon(PluginServices.getIconTheme().get(

                "right-rotation-icon"));

            bRight.addActionListener(new java.awt.event.ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                    setRotation(Double.parseDouble(txtRotation.getText()) - 1);

                    getTxtRotation().setText(txtRotation.getText());

                    getPRotationView().repaint();

                }

            });

        }

        return bRight;

    }

    /**

     * @param args

     */

    public static void main(String[] args) {

    }

    /**

     * This is the default constructor

     */

    public JPRotation() {

        super();

        initialize();

    }

    /**

     * This method initializes this

     * 

     * @return void

     */

    private void initialize() {

        this.setLayout(new BorderLayout());

        this.setBorder(javax.swing.BorderFactory.createTitledBorder(null,

            PluginServices.getText(this, "grados"),

            javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

            javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

        this.add(getPRotationView(), java.awt.BorderLayout.NORTH);

        this.add(getPButtons(), java.awt.BorderLayout.SOUTH);

    }

} // @jve:decl-index=0:visual-constraint="10,26"