Application: gvSIG desktop

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package org.gvsig.fmap.dal.swing.impl.jdbc;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.io.File;

import java.util.Iterator;

import javax.swing.ComboBoxModel;

import javax.swing.JComponent;

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.SwingUtilities;

import javax.swing.plaf.basic.BasicHTML;

import javax.swing.text.View;

import org.apache.commons.lang3.ArrayUtils;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataFactory;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataServerExplorerParameters;

import org.gvsig.fmap.dal.DataServerExplorerPool;

import org.gvsig.fmap.dal.DataServerExplorerPoolEntry;

import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters;

import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters;

import org.gvsig.fmap.dal.swing.jdbc.JDBCConnectionPanel;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynClass;

import org.gvsig.tools.dynobject.DynField;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.threadsafedialogs.ThreadSafeDialogsManager;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

// org.gvsig.fmap.mapcontrol.dal.jdbc.JDBCConnectionPanel

public class DefaultJDBCConnectionPanel extends DefaultJDBCConnectionPanelView implements JDBCConnectionPanel{

    private static final Logger logger = LoggerFactory.getLogger(DefaultJDBCConnectionPanel.class);

    private static final long serialVersionUID = -6119489353793596382L;

    private JDBCServerExplorerParameters forcedParameters;

    private ItemListener onChangeConnectorItemListener;

    @Override

    public JComponent asJComponent() {

        return this;

    }

    private static class ServerExplorerParametersComboItem {

        private JDBCServerExplorerParameters params;

        private String label;

        public ServerExplorerParametersComboItem(String label, JDBCServerExplorerParameters params) {

            this.params = params;

            this.label = label;

        }

        public ServerExplorerParametersComboItem(JDBCServerExplorerParameters params) {

            this(params.getExplorerName(), params);

        }

        @Override

        public String toString() {

            return this.label;

        }

        public JDBCServerExplorerParameters getParams() {

            return this.params;

        }

        public String getLabel() {

            return this.label;

        }

    }

    @SuppressWarnings("OverridableMethodCallInConstructor")

    public DefaultJDBCConnectionPanel() {

        initComponents();

    }

    protected void initComponents() {

        this.cboConnections.setEditable(true);

        this.cboConnections.addItemListener(new ItemListener() {

            @Override

            public void itemStateChanged(ItemEvent e) {

                if(e.getStateChange() != ItemEvent.SELECTED) {

                    return;

                }                // Lo hago asi para evitar cuelgues durante la depuracion

                // al poner puntos de ruptura en un evento de un combo.

                SwingUtilities.invokeLater(new Runnable() {

                    @Override

                    public void run() {

                        onChangeConnection();

                    }

                });

            }

        });

        this.onChangeConnectorItemListener = new ItemListener() {

            @Override

            public void itemStateChanged(ItemEvent e) {

                if(e.getStateChange() != ItemEvent.SELECTED) {

                    return;

                }

                // Lo hago asi para evitar cuelgues durante la depuracion

                // al poner puntos de ruptura en un evento de un combo.

                SwingUtilities.invokeLater(new Runnable() {

                    @Override

                    public void run() {

                        onChangeConnector();

                    }

                });

            }

        };

        this.cboConnectors.addItemListener(onChangeConnectorItemListener);

        try {

            fillConnections();

            fillConnectors();

        } catch(Throwable th) {

            // Ignore it to allow use in GUI builders

            logger.warn("Can't fill combos",th);

        }

        this.translate();

        this.btnDataBaseBrowser.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                onBrowseDatabase();

            }

        });

        adjustPreferedHeight(this.lblFoother,300);

    }

    private void adjustPreferedHeight(JLabel label, int prefWidth) {

        JLabel resizer = new JLabel();

        resizer.setText(label.getText());

        View view = (View) resizer.getClientProperty(BasicHTML.propertyKey);

        view.setSize(prefWidth,15);

        float w = view.getPreferredSpan(View.X_AXIS);

        float h = view.getPreferredSpan(View.Y_AXIS);

        Dimension dim = new Dimension(

                (int) Math.ceil(w),

                (int) Math.ceil(h)

        );

        label.setPreferredSize(dim);

    }

    private void translate() {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        this.lblConnectionName.setText(i18nManager.getTranslation("_Connection_name"));

        this.lblConnector.setText(i18nManager.getTranslation("_Driver_type"));

        this.lblServer.setText(i18nManager.getTranslation("_Host"));

        this.lblPort.setText(i18nManager.getTranslation("_Port"));

        this.lblDataBase.setText(i18nManager.getTranslation("_Database"));

        this.lblUsername.setText(i18nManager.getTranslation("_User"));

        this.lblPassword.setText(i18nManager.getTranslation("_Password"));

        this.lblFoother.setText("<html>"+i18nManager.getTranslation("_JDBCConecctionPanel_foother")+"</html>");

    }

    @Override

    public void setServerExplorerParameters(JDBCServerExplorerParameters parameters) {

        this.forcedParameters = (JDBCServerExplorerParameters) parameters.getCopy();

        int indexConnector = this.getIndexOfConnector(parameters);

        if ( indexConnector >= 0 && this.cboConnectors.getSelectedIndex()!=indexConnector ) {

            this.cboConnectors.removeItemListener(this.onChangeConnectorItemListener);

            this.cboConnectors.setSelectedIndex(indexConnector);

            this.cboConnectors.addItemListener(onChangeConnectorItemListener);

        }

        this.txtServer.setText(parameters.getHost());

        Integer port = parameters.getPort();

        if ( port == null ) {

            this.txtPort.setText("");

        } else {

            this.txtPort.setText(String.valueOf(port));

        }

        this.txtDataBase.setText(parameters.getDBName());

        this.txtUsername.setText(parameters.getUser());

        this.txtPassword.setText(parameters.getPassword());

        DynClass definition = parameters.getDynClass();

        DynField field = definition.getDynField(JDBCServerExplorerParameters.HOST_PARAMTER_NAME);

        this.txtServer.setEnabled( !( field.isReadOnly() || field.isHidden() ));

        field = definition.getDynField(JDBCServerExplorerParameters.PORT_PARAMTER_NAME);

        this.txtPort.setEnabled( !( field.isReadOnly() || field.isHidden() ));

        field = definition.getDynField(JDBCServerExplorerParameters.DBNAME_PARAMTER_NAME);

        this.txtDataBase.setEnabled( !( field.isReadOnly() || field.isHidden() ));

        field = definition.getDynField(JDBCServerExplorerParameters.USER_PARAMTER_NAME);

        this.txtUsername.setEnabled( !( field.isReadOnly() || field.isHidden() ));

        field = definition.getDynField(JDBCServerExplorerParameters.PASSWORD_PARAMTER_NAME);

        this.txtPassword.setEnabled( !( field.isReadOnly() || field.isHidden() ));

        this.btnDataBaseBrowser.setVisible(parameters instanceof FilesystemStoreParameters);

    }

    @Override

    public JDBCServerExplorerParameters getServerExplorerParameters() {

        JDBCServerExplorerParameters params;

        JDBCServerExplorerParameters connector = this.getConnector();

        if( connector==null ) {

            return null;

        }

        if( this.forcedParameters==null ) {

            params = (JDBCServerExplorerParameters) connector.getCopy();

        } else {

            params = (JDBCServerExplorerParameters) this.forcedParameters.getCopy();

        }

        String s = this.getServer();

        if( s!=null ) {

            params.setHost(s);

        }

        int n = this.getPort();

        if( n>0 ) {

            params.setPort(n);

        }

        s = this.getDataBaseName();

        if( s!=null ) {

            params.setDBName(s);

        }

        s = this.getUsername();

        if( s!=null ) {

            params.setUser(s);

        }

        s = this.getPassword();

        if( s!=null ) {

            params.setPassword(s);

        }

        if ( this.getConnectionName() != null ) {

            DataManager dataManager = DALLocator.getDataManager();

            DataServerExplorerPool pool = dataManager.getDataServerExplorerPool();

            pool.add(this.getConnectionName(), params);

        }

        return params;

    }

    protected void setConnectionName(String connectionName) {

        JTextField txtConnections = (JTextField) this.cboConnections.getEditor().getEditorComponent();

        txtConnections.setText(connectionName);

    }

    @Override

    public String getConnectionName() {

        JTextField txtConnections = (JTextField) this.cboConnections.getEditor().getEditorComponent();

        String value = txtConnections.getText();

        return (String) StringUtils.defaultIfBlank(value, null);

    }

    protected JDBCServerExplorerParameters getConnector() {

        ServerExplorerParametersComboItem item = (ServerExplorerParametersComboItem) this.cboConnectors.getSelectedItem();

        JDBCServerExplorerParameters value = item.getParams();

        return value;

    }

    protected String getConnectorName() {

        JDBCServerExplorerParameters value = this.getConnector();

        if ( value == null ) {

            return null;

        }

        return (String) StringUtils.defaultIfBlank(value.getExplorerName(), null);

    }

    protected String getServer() {

        return (String) StringUtils.defaultIfBlank(this.txtServer.getText(), null);

    }

    protected int getPort() {

        String svalue = (String) StringUtils.defaultIfBlank(this.txtPort.getText(), null);

        int ivalue;

        try {

            ivalue = Integer.parseInt(svalue);

        } catch (Exception ex) {

            ivalue = -1;

        }

        return ivalue;

    }

    protected String getDataBaseName() {

        return (String) StringUtils.defaultIfBlank(this.txtDataBase.getText(), null);

    }

    protected String getUsername() {

        return (String) StringUtils.defaultIfBlank(this.txtUsername.getText(), null);

    }

    protected String getPassword() {

        return (String) StringUtils.defaultIfBlank(this.txtPassword.getText(), null);

    }

    private void onChangeConnector() {

        ServerExplorerParametersComboItem item = (ServerExplorerParametersComboItem) this.cboConnectors.getSelectedItem();

        if( item==null ) {

            return;

        }

        JDBCServerExplorerParameters connector = item.getParams();

        if ( connector == null ) {

            return;

        }

        this.setServerExplorerParameters(connector);

    }

    private void onChangeConnection() {

        Object item = this.cboConnections.getSelectedItem();

        if ( item instanceof ServerExplorerParametersComboItem ) {

            JDBCServerExplorerParameters connection = ((ServerExplorerParametersComboItem) item).getParams();

            if ( connection == null ) {

                return;

            }

            this.setServerExplorerParameters(connection);

        }

    }

    private int getIndexOfConnector(JDBCServerExplorerParameters explorerParameters) {

        String code = null;

        try {

            code = explorerParameters.toString();

            ComboBoxModel model = this.cboConnectors.getModel();

            for ( int i = 0; i < model.getSize(); i++ ) {

                ServerExplorerParametersComboItem x = (ServerExplorerParametersComboItem) model.getElementAt(i);

                if ( x.getParams()!=null && x.getParams().getExplorerName().equalsIgnoreCase(explorerParameters.getExplorerName()) ) {

                    return i;

                }

            }

        } catch (Exception ex) {

            logger.warn("Can't get index of exporer parameter '" + code + "'.", ex);

        }

        return -1;

    }

    private void fillConnectors() {

        DataManager dataManager = DALLocator.getDataManager();

        ServerExplorerParametersComboItem last = null;

        this.cboConnectors.addItem(new ServerExplorerParametersComboItem("",null));

        for (DataFactory factory :  dataManager.getServerExplorerRegister() ) {

            DataServerExplorerParameters params = (DataServerExplorerParameters) factory.createParameters();

            if ( params instanceof JDBCServerExplorerParameters ) {

                if( params.getClass() == JDBCServerExplorerParameters.class && 

                    last == null ) {

                    // Si es el proveedor generico de JDBC, lo guarda para 

                    // a?adirlo al final del combo.

                    last = new ServerExplorerParametersComboItem(

                            factory.getDescription(),

                            (JDBCServerExplorerParameters) params

                    );

                } else {

                    this.cboConnectors.addItem(

                        new ServerExplorerParametersComboItem(

                                factory.getDescription(),

                                (JDBCServerExplorerParameters) params

                        )

                    );

                }

            }

        }

        if( last!=null ) {

            this.cboConnectors.addItem(last);

        }

    }

    private void fillConnections() {

        DataManager dataManager = DALLocator.getDataManager();

        DataServerExplorerPool pool = dataManager.getDataServerExplorerPool();

        DataServerExplorerParameters params;

        Iterator it = pool.iterator();

        while ( it.hasNext() ) {

            DataServerExplorerPoolEntry entry = (DataServerExplorerPoolEntry) it.next();

            if ( entry.getExplorerParameters() instanceof JDBCServerExplorerParameters ) {

                JDBCServerExplorerParameters dbParams = (JDBCServerExplorerParameters) entry.getExplorerParameters();

                this.cboConnections.addItem(

                        new ServerExplorerParametersComboItem(entry.getName(), dbParams)

                );

            }

        }

        this.cboConnections.setSelectedIndex(-1);

    }

    @Override

    public void delete() {

        String name = this.getConnectionName();

        DataManager dataManager = DALLocator.getDataManager();

        DataServerExplorerPool pool = dataManager.getDataServerExplorerPool();

        pool.remove(name);

    }

    @Override

    public void clear() {

        this.cboConnections.setSelectedIndex(-1);

        this.cboConnectors.setSelectedIndex(-1);

        this.txtServer.setText("");

        this.txtPort.setText("");

        this.txtDataBase.setText("");

        this.txtUsername.setText("");

        this.txtPassword.setText("");

    }

    private void onBrowseDatabase() {

        if( this.forcedParameters==null ) {

            return;

        }

        ThreadSafeDialogsManager dlgmanager = ToolsSwingLocator.getThreadSafeDialogsManager();

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        File[] files = dlgmanager.showOpenFileDialog(

                i18nManager.getTranslation("_Select_database"), 

                null

        );

        if( ArrayUtils.isEmpty(files) ) {

            return;

        }

        ((FilesystemStoreParameters)this.forcedParameters).setFile(files[0]);

        this.txtDataBase.setText(this.forcedParameters.getDBName());

    }

}