| gvSIG desktop 1

/* 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.exportto.swing.impl.panel;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import javax.swing.ButtonGroup;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.border.TitledBorder;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.gvsig.exportto.ExporttoLocator;

import org.gvsig.exportto.ExporttoManager;

import org.gvsig.exportto.swing.impl.DefaultJExporttoServicePanel;

import org.gvsig.exportto.swing.impl.panel.ExportFiltersListModel.Filter;

/**

 * @author gvSIG Team

 * @version $Id$

 *

 */

public class ExportFilterPanel extends AbstractExporttoPanel implements ListSelectionListener, ItemListener{

    private static final long serialVersionUID = -7108159123965667106L;

    private static final ExporttoManager EXPORTTO_MANAGER = ExporttoLocator.getManager();

    private ButtonGroup selectionButtonGroup;

    private JRadioButton allLayerRadioButton;

    private JRadioButton selectedFeaturesRabioButton;

    private JRadioButton personalizedFilterRabioButton;

    private JPanel filterPanel;

    private JPanel predefinedFilterPanel;

    private JScrollPane predefinedFilterScrollPane;

    private JList predefinedFilterList;

    private JPanel freeFilterPanel;

    private JScrollPane freeFilterScrollPane;

    private JTextArea freeFilterTextArea;

    public ExportFilterPanel(DefaultJExporttoServicePanel exporttoServicePanel) {

        super(exporttoServicePanel);

        initializeComponents();

    }

    private void initializeComponents() {

        GridBagConstraints gridBagConstraints;

        setLayout(new GridBagLayout());

        //Adding the radio buttons to the button group        

        allLayerRadioButton = new JRadioButton();       

        allLayerRadioButton.setSelected(true);        

        selectedFeaturesRabioButton = new JRadioButton();

        personalizedFilterRabioButton = new JRadioButton();

        allLayerRadioButton.addItemListener(this);

        selectedFeaturesRabioButton.addItemListener(this);

        personalizedFilterRabioButton.addItemListener(this);

        selectionButtonGroup = new ButtonGroup();

        selectionButtonGroup.add(allLayerRadioButton);

        selectionButtonGroup.add(selectedFeaturesRabioButton);    

        selectionButtonGroup.add(personalizedFilterRabioButton);    

        allLayerRadioButton.setText(exporttoServicePanel.getExporttoSwingManager().getTranslation("all_layer"));

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 0;

        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

        gridBagConstraints.anchor = GridBagConstraints.WEST;

        gridBagConstraints.weightx = 1.0;

        add(allLayerRadioButton, gridBagConstraints);

        selectedFeaturesRabioButton.setText(exporttoServicePanel.getExporttoSwingManager().getTranslation("selected_features"));

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 1;

        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

        gridBagConstraints.anchor = GridBagConstraints.WEST;

        gridBagConstraints.weightx = 1.0;

        add(selectedFeaturesRabioButton, gridBagConstraints);

        personalizedFilterRabioButton.setText(exporttoServicePanel.getExporttoSwingManager().getTranslation("filter"));

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 2;

        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

        gridBagConstraints.anchor = GridBagConstraints.WEST;

        gridBagConstraints.weightx = 1.0;

        add(personalizedFilterRabioButton, gridBagConstraints);

        //Create the filter panel

        filterPanel = new JPanel();

        filterPanel.setLayout(new GridBagLayout());

        //Create the predefined filter panel

        predefinedFilterPanel = new JPanel();

        predefinedFilterScrollPane = new JScrollPane();

        predefinedFilterPanel.setBorder(new TitledBorder(exporttoServicePanel.getExporttoSwingManager().getTranslation("predefined_filters")));

        predefinedFilterList = new JList();

        predefinedFilterList.setModel(new ExportFiltersListModel(exporttoServicePanel));

        predefinedFilterList.addListSelectionListener(this);

        predefinedFilterPanel.setLayout(new GridBagLayout());

        predefinedFilterScrollPane.setViewportView(predefinedFilterList);

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 0;

        gridBagConstraints.fill = GridBagConstraints.BOTH;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 1.0;

        predefinedFilterPanel.add(predefinedFilterScrollPane, gridBagConstraints);

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 0;

        gridBagConstraints.fill = GridBagConstraints.BOTH;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 1.0;

        filterPanel.add(predefinedFilterPanel, gridBagConstraints);

        //Create the free filter panel        

        freeFilterPanel = new JPanel();

        freeFilterScrollPane = new JScrollPane();

        freeFilterPanel.setBorder(new TitledBorder(exporttoServicePanel.getExporttoSwingManager().getTranslation("free_filter")));

        freeFilterTextArea = new JTextArea();     

        freeFilterPanel.setLayout(new GridBagLayout());

        freeFilterScrollPane.setViewportView(freeFilterTextArea);

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 0;

        gridBagConstraints.fill = GridBagConstraints.BOTH;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 1.0;

        freeFilterPanel.add(freeFilterScrollPane, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 1;

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

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 1.0;

        filterPanel.add(freeFilterPanel, gridBagConstraints);       

        //Add the filter panel

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 3;

        gridBagConstraints.fill = GridBagConstraints.BOTH;

        gridBagConstraints.insets = new Insets(0, 20, 0, 0);

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 1.0;

        add(filterPanel, gridBagConstraints);

    }

    public boolean isFullLayerSelected(){

        return allLayerRadioButton.isSelected();

    }

    public boolean isSelectedFeaturesSelected(){

        return selectedFeaturesRabioButton.isSelected();

    }

    public boolean isPersonalizedFilterSelected(){

        return personalizedFilterRabioButton.isSelected();

    }

    public String getFreeFilter(){

        if ((freeFilterTextArea.getText() != null) && (!freeFilterTextArea.getText().equals(""))){

            return freeFilterTextArea.getText();

        }

        return null;

    }

    public void valueChanged(ListSelectionEvent e) {

       Object obj = predefinedFilterList.getSelectedValue();

       if (obj != null){

           Filter filter = (Filter)obj;

           this.freeFilterTextArea.setText(EXPORTTO_MANAGER.getFilter(filter.getFilterKey()));

       }

    }

    public void stateChanged(ChangeEvent e) {

        // TODO Auto-generated method stub

    }

    public void itemStateChanged(ItemEvent e) {

       predefinedFilterList.setEnabled(isPersonalizedFilterSelected());     

       freeFilterTextArea.setEnabled(isPersonalizedFilterSelected());

    }       

}