Application: gvSIG desktop » gvSIG geoprocess

package org.gvsig.sextante.app.algorithm.base.panel;

import java.awt.Dimension;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JPanel;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.DataServerExplorerParameters;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException;

import org.gvsig.fmap.dal.exception.ValidateDataParametersException;

import org.gvsig.fmap.dal.serverexplorer.filesystem.swing.DynObjectEditor;

import org.gvsig.tools.dynobject.DynObject;

import es.unex.sextante.core.GeoAlgorithm;

import es.unex.sextante.core.Sextante;

import es.unex.sextante.gui.algorithm.IOutputSelection;

/**

 * 

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

 */

public class AlgorithmOutputPanel extends JPanel implements IOutputSelection, ActionListener {

        private static final long                serialVersionUID = 1L;

        //private GeoAlgorithm                     m_Algorithm      = null;

        private JComboBox                        cProvider        = null;

        private JComboBox                        cExplorer        = null;

        private JButton                          button           = null;

        private ArrayList<DataStoreParameters>   listProvider     = new ArrayList<DataStoreParameters>();

        private ArrayList<DataServerExplorer>    listExplorer     = new ArrayList<DataServerExplorer>();

        private DynObjectEditor                  editor           = null; 

        public AlgorithmOutputPanel() {

                super();

                initGUI();

                loadProviderList(getCProvider(), listProvider);

                loadExplorerList(getCExplorer(), listExplorer);

        }

    public void init(GeoAlgorithm algorithm) {

            //m_Algorithm = algorithm;

            initGUI();

    }

        private void initGUI() {

                GridBagLayout gbl = new GridBagLayout();

                this.setLayout(gbl);

                GridBagConstraints gbc = new GridBagConstraints();

                gbc.fill = GridBagConstraints.HORIZONTAL;

                gbc.weightx = 1.0;

                gbc.gridx = 0;

                gbc.gridy = 0;

                gbc.insets = new Insets(0, 2, 0, 0);

                this.add(getCProvider(), gbc);

                gbc.gridx = 1;

                this.add(getCExplorer(), gbc);

                gbc.fill = GridBagConstraints.NONE;

                gbc.weightx = 0;

                gbc.gridx = 2;

                gbc.insets = new Insets(0, 5, 0, 2);

                this.add(getButton(), gbc);

        }

        /**

         * Gets a ComboBox

         * @return

         */

        public JComboBox getCProvider() {

                if(cProvider == null) {

                        cProvider = new JComboBox();

                        cProvider.addActionListener(this);

                        cProvider.setPreferredSize(new Dimension(0, 18));

                }

                return cProvider;

        }

        /**

         * Gets a ComboBox

         * @return

         */

        public JComboBox getCExplorer() {

                if(cExplorer == null) {

                        cExplorer = new JComboBox();

                        cExplorer.addActionListener(this);

                        cExplorer.setPreferredSize(new Dimension(0, 18));

                }

                return cExplorer;

        }

        /**

         * Gets a JButton

         * @return

         */

        public JButton getButton() {

                if(button == null) {

                        button = new JButton("...");

                        button.setPreferredSize(new Dimension(60, 18));

                        button.addActionListener(this);

                }

                return button;

        }

        @SuppressWarnings("unchecked")

        private void loadProviderList(JComboBox cProvider, ArrayList<DataStoreParameters> listDSParam) {

                DataManager manager = DALLocator.getDataManager();

                List lProvider = manager.getStoreProviders();

                Iterator it = lProvider.iterator();

                cProvider.removeAllItems();

                listDSParam.clear();

                while(it.hasNext()) {

                        try {

                                String provider = it.next().toString();

                                cProvider.addItem(provider);

                                DataStoreParameters param = manager.createStoreParameters(provider);

                                listDSParam.add(param);

                        } catch (InitializeException e1) {

                                Sextante.addErrorToLog(e1);

                        } catch (ProviderNotRegisteredException e1) {

                                Sextante.addErrorToLog(e1);

                        }

                }

        }

        @SuppressWarnings("unchecked")

        private void loadExplorerList(JComboBox cExplorer, ArrayList<DataServerExplorer> listDSExplorer) {

                ArrayList<DataServerExplorer> dseList = 

                        getDataServerExplorerListFromProvider((String)getCProvider().getSelectedItem()); 

                if(dseList == null)

                        return;

                getCExplorer().removeAllItems();

                for (int i = 0; i < dseList.size(); i++) 

                        getCExplorer().addItem(dseList.get(i).getName());

        }

        private ArrayList<DataServerExplorer> getDataServerExplorerListFromProvider(String provLabel) {

                DataManager manager = DALLocator.getDataManager();

                List lExplorer = manager.getExplorerProviders();

                ArrayList<DataServerExplorer> dseList = new ArrayList<DataServerExplorer>();

                Iterator it = lExplorer.iterator();

                while(it.hasNext()) {

                        String explorer = (String)it.next();

                        DataServerExplorerParameters param;

                        try {

                                param = manager.createServerExplorerParameters(explorer);

                                DataServerExplorer dsExplorer = manager.createServerExplorer(param);

                                if(dsExplorer.getAddParameters(provLabel) != null) 

                                        dseList.add(dsExplorer);

                        } catch (Exception e) {

                                continue;

                        } 

                }

                return dseList;

        }

        public void actionPerformed(ActionEvent e) {

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

                        int index = getCProvider().getSelectedIndex();

                        editor = new DynObjectEditor(listProvider.get(index),

                                        DynObjectEditor.SHOW_ALL, null, true, false);

                        editor.editObject(true);

                }

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

                        loadExplorerList(getCExplorer(), listExplorer);

                }

        }

        public Object getOutputParameters() {

                //return "/tmp/prueba";

                //int index = getCProvider().getSelectedIndex();

                return editor.getParameters();//paramList.get(index);

        }

        public void setOutputParameters(Object param) {

                if(param instanceof DataStoreParameters)

                        editor.setParameters((DynObject)param);

        }

}