Application: gvSIG desktop

package com.iver.cit.gvsig;

import java.io.IOException;

import com.hardcode.driverManager.DriverLoadException;

import com.hardcode.gdbms.engine.data.DataSource;

import com.hardcode.gdbms.engine.data.DataSourceFactory;

import com.hardcode.gdbms.engine.instruction.SemanticException;

import com.hardcode.gdbms.parser.ParseException;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.andami.plugins.Extension;

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

import com.iver.cit.gvsig.fmap.DriverException;

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

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

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

import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData;

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

import com.iver.cit.gvsig.gui.filter.DefaultExpressionDataSource;

import com.iver.cit.gvsig.gui.filter.ExpressionListener;

import com.iver.cit.gvsig.gui.filter.FilterDialog;

import com.iver.cit.gvsig.project.castor.ProjectView;

import com.iver.utiles.exceptionHandling.ExceptionListener;

/**

 * DOCUMENT ME!

 *

 * @author Fernando Gonz?lez Cort?s

 */

public class TableOperations implements Extension, ExpressionListener {

        private SelectableDataSource dataSource = null;

    private Table vista;

    /**

     * @see com.iver.mdiApp.plugins.Extension#updateUI(java.lang.String)

     */

    public void execute(String actionCommand) {

        View v = PluginServices.getMDIManager().getActiveView();

        if (v instanceof Table){

                   vista = (Table) v;

                    dataSource = vista.getModel().getModelo();

        }else if (v instanceof com.iver.cit.gvsig.gui.View){

                ProjectView pv = ((com.iver.cit.gvsig.gui.View) v).getModel();

                try {

                                dataSource = ((AlphanumericData)pv.getMapContext().getLayers().getActives()[0]).getRecordset();

                        } catch (DriverException e) {

                                NotificationManager.addError(e.getMessage(), e);

                        }

        }

                DefaultExpressionDataSource ds = new DefaultExpressionDataSource();

        ds.setTable(dataSource);

        FilterDialog dlg = new FilterDialog();

        dlg.addExpressionListener(this);

        dlg.addExceptionListener(new ExceptionListener() {

                        public void exceptionThrown(Throwable t) {

                                NotificationManager.addError(t.getMessage(), t);

                        }

                });

        dlg.setModel(ds);

        PluginServices.getMDIManager().addView(dlg);

    }

    /**

         * @see com.iver.cit.gvsig.gui.filter.ExpressionListener#newSet(java.lang.String)

         */

        public void newSet(String expression) {

                long[] sel = doSet(expression);

                FBitSet selection = new FBitSet();

                for (int i = 0; i < sel.length; i++) {

                        selection.set((int) sel[i]);

                }

                dataSource.clearSelection();

                dataSource.setSelection(selection);

        }

        /**

         * @see com.iver.cit.gvsig.gui.filter.ExpressionListener#newSet(java.lang.String)

         */

        private long[] doSet(String expression) {

                try {

                        DataSource ds = DataSourceFactory.executeSQL(expression);

                        return ds.getWhereFilter();

                } catch (DriverLoadException e) {

                        NotificationManager.addError("Error cargando el driver", e);

                } catch (com.hardcode.gdbms.engine.data.DriverException e) {

                        NotificationManager.addError("Error accediendo al driver", e);

                } catch (ParseException e) {

                        NotificationManager.addError("Parse error", e);

                } catch (SemanticException e) {

                        NotificationManager.addError(e.getMessage(), e);

                } catch (IOException e) {

                        NotificationManager.addError("GDBMS internal error", e);

                }

                return null;

        }

    /**

     * @see com.iver.cit.gvsig.gui.filter.ExpressionListener#addToSet(java.lang.String)

     */

    public void addToSet(String expression) {

                long[] sel = doSet(expression);

                FBitSet selection = new FBitSet();

                for (int i = 0; i < sel.length; i++) {

                        selection.set((int) sel[i]);

                }

                FBitSet fbs = dataSource.getSelection();

                fbs.or(selection);

                dataSource.setSelection(fbs);

    }

    /**

     * @see com.iver.cit.gvsig.gui.filter.ExpressionListener#fromSet(java.lang.String)

     */

    public void fromSet(String expression) {

                long[] sel = doSet(expression);

                FBitSet selection = new FBitSet();

                for (int i = 0; i < sel.length; i++) {

                        selection.set((int) sel[i]);

                }

                FBitSet fbs = dataSource.getSelection();

                fbs.and(selection);

                dataSource.setSelection(fbs);

    }

        /**

         * @see com.iver.mdiApp.plugins.Extension#isVisible()

         */

        public boolean isVisible() {

                View v = PluginServices.getMDIManager().getActiveView();

                if (v == null) {

                        return false;

                }

                if (v.getClass() == Table.class) {

                        return true;

                }else{

                        if (v instanceof com.iver.cit.gvsig.gui.View){

                                com.iver.cit.gvsig.gui.View view = (com.iver.cit.gvsig.gui.View) v;

                                ProjectView pv = view.getModel();

                                FLayer[] seleccionadas = pv.getMapContext().getLayers().getActives();

                                if (seleccionadas.length == 1){

                                        if (seleccionadas[0] instanceof AlphanumericData){

                                                return true;

                                        }

                                }

                        }

                        return false;

                }

        }

        /**

         * @see com.iver.andami.plugins.Extension#inicializar()

         */

        public void inicializar() {

        }

        /**

         * @see com.iver.andami.plugins.Extension#isEnabled()

         */

        public boolean isEnabled() {

                return true;

        }

}