| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.annotation.create;

import java.awt.Dimension;

import java.awt.Rectangle;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.event.CaretEvent;

import javax.swing.event.CaretListener;

import jwizardcomponent.JWizardComponents;

import jwizardcomponent.JWizardPanel;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.annotation.AnnotationLocator;

import org.gvsig.annotation.AnnotationPreferences;

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

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

/**

 * Panel to select the text field from one original shape file .

 *

 * @author Vicente Caballero Navarro

 */

public class AnnotationFieldSelectPanel extends JWizardPanel {

        /**

         * Generated serial version ID 

         */

        private static final long serialVersionUID = -5863581768438973852L;

        private static final Rectangle lblDescriptionPosition = new Rectangle(4, 14,355, 100);

    private static final Rectangle lblDuplicatePosition = new Rectangle(30, 115, 355, 30);

    private static final Rectangle cmbDuplicatePosition = new Rectangle(30,150, 170, 18);

    private static final Rectangle lblStep2Position = new Rectangle(4, 170, 15, 12);

    private static final Rectangle lblFieldPosition = new Rectangle(30, 170, 355, 30);

    private static final Rectangle cmbFieldPosition = new Rectangle(30, 204,170, 18);

    private FLyrVect layer;

    private JLabel lblDescription = null;

    private JLabel lblStep2 = null;

    private JLabel lblField = null;

    private JLabel lblDuplicate = null;

    private JComboBox cmbField = null;

    private JComboBox cmbDuplicate;

    private EventsListener eventsListener = new EventsListener();

        private AnnotationPreferences preferences;

        public AnnotationFieldSelectPanel(JWizardComponents arg0, FLyrVect lyr) {

        super(arg0);

        layer = lyr;

        preferences = AnnotationLocator.getAnnotationPreferences();

        this.initialize();

    }

    private void updateButtonsState() {

        try {

            if (getWizardComponents().getCurrentIndex() == 0) {

                setBackButtonEnabled(false);

                boolean enabled = checkIsOkPanelData();

                setNextButtonEnabled(enabled);

                setFinishButtonEnabled(enabled);

            }

        } catch (Exception e) {

            NotificationManager.addError(e);

        }

    }

    protected boolean checkIsOkPanelData() {

        if (((String) cmbField.getSelectedItem()).trim().length() < 1) {

            return false;

        }

        return true;

    }

    protected void initialize() {

        this.setLayout(null);

        this.setSize(new Dimension(358, 263));

        this.addLabels();

        this.add(getCmbField(), null);

        this.add(getCmbDuplicate(), null);

        this.cmbField.setSelectedItem(0);

        checkIsOkPanelData();

        if (!cmbField.equals(AnnotationConfigureLabelsPanel.TEXT_FOR_NO_SELECTED_VALUE))

                this.setFinishButtonEnabled(false);

    }

    private JComboBox getCmbField() {

        if (this.cmbField == null) {

            this.cmbField = new JComboBox();

            this.cmbField.setEditable(false);

            this.cmbField.setBounds(cmbFieldPosition);

            this.cmbField.addItemListener(this.eventsListener);

            this.cmbField. addItem(AnnotationConfigureLabelsPanel.TEXT_FOR_NO_SELECTED_VALUE);

            //Get the layer Fields Name to fill the COMBOBOX

            FeatureStore store = (FeatureStore) this.layer.getDataStore();

            FeatureSet features;

                        try {

                                features = store.getFeatureSet();

                                FeatureType type = features.getDefaultFeatureType();

                                 FeatureAttributeDescriptor[] fieldsNames = type.getAttributeDescriptors();

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

                            if (fieldsNames[i].getName().compareTo("GEOMETRY")!=0){

                                this.cmbField.addItem(fieldsNames[i].getName());

                            }

                    }

                    //STARTING UP PROPERTIES 

                    if(this.cmbField.getSelectedIndex()!=0){

                            String fieldSelect;

                                        if (preferences.getMappedNumColumnText()>-1)

                                    fieldSelect = fieldsNames[preferences.getMappedNumColumnText()].getName();

                                        else 

                                                fieldSelect = fieldsNames[0].getName();

                            this.cmbField.setSelectedItem(fieldSelect);

                            setNextButtonEnabled(true);

                    }

                    else{

                            setNextButtonEnabled(false);

                    }

                    features.dispose();

                        } catch (DataException e) {

                                // ERROR NOTATIFICATION MANAGER

                                NotificationManager.addError(e);

                        }    

        }

        return this.cmbField;

    }

   private JComboBox getCmbDuplicate() {

        if (cmbDuplicate == null) {

            cmbDuplicate = new JComboBox();

            cmbDuplicate.setBounds(cmbDuplicatePosition);

            cmbDuplicate.addItem(PluginServices.getText(this, "duplicate.none"));

            cmbDuplicate.addItem(PluginServices.getText(this, "centered"));

            cmbDuplicate.setSelectedItem(PluginServices.getText(this, "centered"));

        }

        return cmbDuplicate;

    }

   public String getField() {

           preferences.setMappedNumColumnText(this.getCmbField().getItemCount());

        return (String) this.getCmbField().getSelectedItem();

    }

    public String getDuplicate() {

        return (String) this.getCmbDuplicate().getSelectedItem();

    }

    protected void addLabels() {

        this.lblDescription = new JLabel();

        this.lblStep2 = new JLabel();

        this.lblField = new JLabel();

        this.lblDuplicate = new JLabel();

        this.lblDuplicate.setText(PluginServices.getText(this, "duplicate"));

        this.lblDuplicate.setBounds(lblDuplicatePosition);

        this.lblDescription.setText(PluginServices.getText(this, "descripcion_de_crear_capa_de_anotaciones_nueva"));

        this.lblField.setText(PluginServices.getText(this,"seleccione_el_campo_de_texto_que_desea_que_se_utilize_para_mostrar_la_nueva_capa"));

        this.lblDescription.setBounds(lblDescriptionPosition);

        this.lblStep2.setBounds(lblStep2Position);

        this.lblField.setBounds(lblFieldPosition);

        this.add(lblDescription, null);

        this.add(lblStep2, null);

        this.add(lblField, null);

        this.add(lblDuplicate, null);

    }

    private class EventsListener implements CaretListener, ItemListener {

        public void caretUpdate(CaretEvent arg0) {

            updateButtonsState();

        }

        public void itemStateChanged(ItemEvent e) {

            updateButtonsState();

        }

    }

}