Application: gvSIG desktop » gvSIG raster

/* 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.raster.tools.algorithm.swing.impl.bean.inputlayer;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.BorderFactory;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import org.gvsig.i18n.Messages;

import org.gvsig.raster.swing.listener.PanelChangeEvent;

import org.gvsig.raster.swing.listener.PanelChangeListener;

import org.gvsig.raster.tools.algorithm.swing.bean.LayerComboElement;

/**

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class InputLayerImpl extends JPanel implements ActionListener {

        private static final long   serialVersionUID    = 1L;

        private JComboBox           inputLayerCombo     = null;

        private JComboBox           bandsSelectorCombo  = null;

        private JLabel              layerLabel          = null;

        private JLabel              bandsLabel          = null;

        private String              boxLabel            = null;

        private boolean             borderEnabled       = false;

        private boolean             labelsEnabled       = false;

        private PanelChangeListener listener            = null;

        public InputLayerImpl(String[] labels, boolean border, boolean labelEnabled) {

                if(labels != null) {

                        layerLabel = new JLabel(labels[0]);

                        bandsLabel = new JLabel(labels[1]);

                        boxLabel = labels[2];

                } else {

                        boxLabel = Messages.getText("input");

                }

                this.borderEnabled = border;

                this.labelsEnabled = labelEnabled;

                init();

        }

        private void init() {

                this.setLayout(new GridBagLayout());

                if(borderEnabled)

                        setBorder(BorderFactory.createTitledBorder(boxLabel));

                GridBagConstraints gridBagConstraints1 = new GridBagConstraints();

                gridBagConstraints1.fill = java.awt.GridBagConstraints.HORIZONTAL;

                gridBagConstraints1.weightx = 1;

                gridBagConstraints1.insets = new java.awt.Insets(0, 2, 0, 0);

                if(labelsEnabled) {

                        gridBagConstraints1.gridx = 0;

                        gridBagConstraints1.gridy = 0;

                        this.add(getLayerLabel(), gridBagConstraints1);

                }

                gridBagConstraints1.gridx = 0;

                gridBagConstraints1.gridy = 1;

                this.add(getInputLayerCombo(), gridBagConstraints1);

                gridBagConstraints1.fill = java.awt.GridBagConstraints.NONE;

                gridBagConstraints1.weightx = 0;

                if(labelsEnabled) {

                        gridBagConstraints1.gridx = 1;

                        gridBagConstraints1.gridy = 0;

                        this.add(getBandsLabel(), gridBagConstraints1);        

                }

                gridBagConstraints1.gridx = 1;

                gridBagConstraints1.gridy = 1;

                this.add(getBandsSelectorCombo(), gridBagConstraints1);        

        }

        public JComboBox getInputLayerCombo() {

                if(inputLayerCombo == null) {

                        inputLayerCombo = new JComboBox();

                        inputLayerCombo.addActionListener(this);

                }

                return inputLayerCombo;

        }

        public JComboBox getBandsSelectorCombo() {

                if(bandsSelectorCombo == null) {

                        bandsSelectorCombo = new JComboBox();

                        bandsSelectorCombo.addActionListener(this);

                }

                return bandsSelectorCombo;

        }

        public JLabel getLayerLabel() {

                if(layerLabel == null)

                        layerLabel = new JLabel(Messages.getText("layers"));

                return layerLabel;

        }

        public JLabel getBandsLabel() {

                if(bandsLabel == null)

                        bandsLabel = new JLabel(Messages.getText("bands"));

                return bandsLabel;

        }

        public void setEnabled(boolean enable) {

                getBandsSelectorCombo().setEnabled(enable);

                getInputLayerCombo().setEnabled(enable);

        }

        public void actionPerformed(ActionEvent e) {

                if(listener != null)

                        listener.panelHasChanged(new PanelChangeEvent(e));

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

                        if(getInputLayerCombo().getSelectedItem() instanceof LayerComboElement) {

                                int nElements = ((LayerComboElement)getInputLayerCombo().getSelectedItem()).getNumOfElements();

                                getBandsSelectorCombo().removeAllItems();

                                getBandsSelectorCombo().addItem(Messages.getText("all"));

                                for (int i = 0; i < nElements; i++) {

                                        getBandsSelectorCombo().addItem(i);

                                }

                        }

                }

        }

        public void addPanelChangeEvent(PanelChangeListener listener) {

                this.listener = listener;

        }

}