Application: gvSIG desktop

/*

 * Created on 18-sep-2004

 */

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

 *

 * Copyright (C) 2004 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.gui.panels;

import java.awt.FlowLayout;

import java.awt.Rectangle;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JDialog;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JSlider;

import javax.swing.JTextField;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.WindowInfo;

import com.iver.cit.gvsig.fmap.layers.FLyrDefault;

import com.iver.cit.gvsig.gui.GUIUtil;

import com.iver.cit.gvsig.gui.ValidatingTextField;

/**

 * Panel de Ajuste de Transparencia.

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

public class AdjustTransparencyPanel extends JPanel implements IWindow  {

        JDialog dlg = null;

        private JLabel jLabel = null;

        private JSlider jSlider = null;

        private ValidatingTextField jTxtTransparency = null;

        private JPanel buttonsPanel = null;

        private FLyrDefault fLayer = null;

        private WindowInfo m_ViewInfo = null;

        private JLabel percentLabel = null;

        private JButton btnApply = null;

        private JButton btnOk = null;

        private JButton btnCancel = null;

    private ComandosListener m_actionListener;

    private int oldAlpha = 0;

        public AdjustTransparencyPanel(FLyrDefault layer) {

                super();

                initialize(layer);

        }

        private void initialize(FLyrDefault layer) {

                percentLabel = new JLabel();

                jLabel = new JLabel();

                setBounds(0,0,255,133);

        setLayout(null);

        setFLayer(layer);

        oldAlpha = layer.getTransparency();

        jLabel.setBounds(15, 17, 195, 21);

        jLabel.setText("Nivel de transparencia:");

        jLabel.setText(PluginServices.getText(this, "Nivel_de_transparencia")+":");

        percentLabel.setBounds(225, 55, 21, 20);

        percentLabel.setText("%");

        this.add(jLabel, null);

        this.add(getJSlider(), null);

        this.add(getJTxtTransparency(), null);

        this.add(percentLabel, null);

        this.add(getButtonsPanel(), null);

        }

        public void setFLayer(FLyrDefault f) {

                fLayer = f;

                setAlpha(fLayer.getTransparency());

        }

        public void setAlpha(int alpha) {

                getJSlider().setValue(alpha*100/255);

        }

        public int getAlpha() {

                return getJSlider().getValue()*255/100;

        }

        /**

         * This method initializes jSlider        

         *         

         * @return javax.swing.JSlider        

         */    

        private JSlider getJSlider() {

                if (jSlider == null) {

                        jSlider = new JSlider();

                        jSlider.setBounds(15, 55, 165, 21);

                        jSlider.setMaximum(100);

                        jSlider.setMajorTickSpacing(5);

                }

                return jSlider;

        }

        /**

         * This method initializes jTextField        

         *         

         * @return javax.swing.JTextField        

         */    

        private JTextField getJTxtTransparency() {

                if (jTxtTransparency == null) {

                        jTxtTransparency = GUIUtil.createSyncdTextField(jSlider, 3);

                        jTxtTransparency.setBounds(190, 55, 30, 21);

                        //jTxtTransparency.setText("" + getAlpha());

                }

                return jTxtTransparency;

        }

        public JPanel getButtonsPanel() {

                if (buttonsPanel == null) {

                        m_actionListener = new ComandosListener(this);

                        buttonsPanel = new JPanel();

                buttonsPanel.setBounds(10, 98, 235, 25);

                        FlowLayout flowLayout2 = new FlowLayout();

                        buttonsPanel.setLayout(flowLayout2);     

                        flowLayout2.setHgap(5);

                        flowLayout2.setAlignment(java.awt.FlowLayout.RIGHT);

                        flowLayout2.setVgap(1);

                        //buttonsPanel.setPreferredSize(new java.awt.Dimension(225,25));

                        buttonsPanel.setName("buttonPanel");

                buttonsPanel.add(getBtnOk(), null);

                buttonsPanel.add(getBtnApply(), null);

                buttonsPanel.add(getBtnCancel(), null);

                }

                return buttonsPanel;

        }

        public JButton getBtnOk() {

                if (btnOk == null) {

                btnOk = new JButton("Aceptar");

                btnOk.setText(PluginServices.getText(this,"Aceptar"));

                btnOk.setActionCommand("OK");

                btnOk.addActionListener(m_actionListener);

                }

                return btnOk;

        }

        public JButton getBtnApply() {

                if (btnApply == null) {

                btnApply = new JButton("Aplicar");

                btnApply.setText(PluginServices.getText(this,"Aplicar"));

                btnApply.setActionCommand("APPLY");

                btnApply.addActionListener(m_actionListener);

                }

                return btnApply;

        }

        public JButton getBtnCancel() {

                if (btnCancel == null) {

                btnCancel = new JButton("Cancelar");

                btnCancel.setText(PluginServices.getText(this,"Cancelar"));

                btnCancel.setActionCommand("CANCEL");

                btnCancel.addActionListener(m_actionListener);

                }

                return btnCancel;

        }

    private class ComandosListener implements ActionListener {

        private AdjustTransparencyPanel m_tp;

        /**

         * Creates a new ComandosListener object.

         *

         * @param lg DOCUMENT ME!

         */

        public ComandosListener(AdjustTransparencyPanel tp) {

            m_tp = tp;

        }

                /* (non-Javadoc)

                 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

                 */

                public void actionPerformed(ActionEvent e) {

            if (e.getActionCommand() == "OK") {

                        fLayer.setTransparency(getAlpha());

                                AdjustTransparencyPanel.this.closeJDialog();

            } else if (e.getActionCommand() == "APPLY") {

                        fLayer.setTransparency(getAlpha());

            } else if (e.getActionCommand() == "CANCEL") {

                    if (oldAlpha != fLayer.getTransparency())

                            fLayer.setTransparency(oldAlpha);

                                AdjustTransparencyPanel.this.closeJDialog();

            }

                }

    }

        /* (non-Javadoc)

         * @see com.iver.mdiApp.ui.MDIManager.View#getViewInfo()

         */

        public WindowInfo getWindowInfo() {

                if (m_ViewInfo==null){

                        m_ViewInfo=new WindowInfo(WindowInfo.MODALDIALOG);

                        m_ViewInfo.setTitle(PluginServices.getText(this,"Ajustar_transparencia"));

                }

                return m_ViewInfo;

        }

        /* (non-Javadoc)

         * @see com.iver.mdiApp.ui.MDIManager.View#viewActivated()

         */

        public void viewActivated() {

                // TODO Auto-generated method stub

        }

        public void openJDialog() {

                if (PluginServices.getMainFrame() == null) {

                        dlg = new JDialog();

                        Rectangle bnds = getBounds();

                        bnds.width += 10;

                        bnds.height += 33;

                        dlg.setBounds(bnds);

                        dlg.setSize(getSize());

                        dlg.getContentPane().add(this);

                        dlg.setModal(true);                        

                        dlg.pack();

                        dlg.show();

                } else

                        PluginServices.getMDIManager().addWindow(this);

        }

        public void closeJDialog() {

                if (PluginServices.getMainFrame() == null) {

                        dlg.hide();

                        dlg.dispose();

                        dlg = null;

                } else

                        PluginServices.getMDIManager().closeWindow(this);

        }

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