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AgroSense Farm model - contains model/domain classes for farm modules
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/**
 * Copyright (C) 2008-2012 AgroSense Foundation.
 *
 * AgroSense 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 3 of the License, or
 * (at your option) any later version.
 *
 * There are special exceptions to the terms and conditions of the GPLv3 as it is applied to
 * this software, see the FLOSS License Exception
 * .
 *
 * AgroSense 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 AgroSense.  If not, see .
 */
package nl.cloudfarming.client.farm.model;

import java.awt.event.ActionEvent;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.ImageIcon;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import nl.cloudfarming.client.model.IssuingAgency;
import nl.cloudfarming.client.util.swing.ASBodyPanel;
import org.openide.util.ImageUtilities;
import org.openide.util.NbBundle;

/**
 *
 * @author Merijn Zengers
 */
@NbBundle.Messages({
    "FarmDetailsController invalid name=Invalid name",
    "FarmDetailsController invalid issuing agency=Invalid issuing agency",
    "FarmDetailsController invalid registration number=Invalid registration number",
})
public abstract class FarmDetailsController {

    protected final T farmDetailPanel;
    private final ImageIcon TITLE_ICON = new ImageIcon(ImageUtilities.loadImage("nl/cloudfarming/client/farm/model/house32.png"));
    private ASBodyPanel bodyPanel;
    private static final Logger LOGGER = Logger.getLogger("nl.cloudfarming.client.farm.model");

    /**
     * Creates a FarmDetailsController
     * @param farmDetailPanel 
     */
    public FarmDetailsController(T farmDetailPanel) {
        this.farmDetailPanel = farmDetailPanel;
        FarmDetailsChangedListener detailsDocumentListener = new FarmDetailsChangedListener();
        farmDetailPanel.farmNameTextField.getDocument().addDocumentListener(new NameChangedListener());
        farmDetailPanel.farmNameTextField.getDocument().addDocumentListener(detailsDocumentListener);
        farmDetailPanel.farmRegistrationNumberTextField.getDocument().addDocumentListener(detailsDocumentListener);
        //Register this as document listener on The addres panel
        farmDetailPanel.addressPanel.addAddressFieldChangeListener(detailsDocumentListener);
    }

    /**
     * Validate the form
     * Sets the FormRows to valid invalid
     * @return true is valid
     */
    public boolean validate() {
        String name = farmDetailPanel.getFarmName();
        boolean valid = true;
        if (name == null || name.isEmpty()) {
            valid = false;
            farmDetailPanel.getFarmNameRow().setInvalid(Bundle.FarmDetailsController_invalid_name());
        } else {
            farmDetailPanel.getFarmNameRow().setValid();
        }
        IssuingAgency issuingAgency = farmDetailPanel.getFarmIssuingAgency();
        String registrationNumber = farmDetailPanel.getFarmRegistrationNumber();
        if (issuingAgency == null) {
            valid = false;
            farmDetailPanel.getFarmIssuingAgencyRow().setInvalid(Bundle.FarmDetailsController_invalid_issuing_agency());
        } else {
            farmDetailPanel.getFarmIssuingAgencyRow().setValid();
        }
        if (registrationNumber == null || registrationNumber.isEmpty() && farmDetailPanel.isFarmRegistrationNumberFieldEditable()) {
            valid = false;
            farmDetailPanel.getRegistrationNumberRow().setInvalid(Bundle.FarmDetailsController_invalid_registration_number());
        } else // check agency specific pattern:
        if (issuingAgency != null && !issuingAgency.isValidEnterpriseId(registrationNumber) && farmDetailPanel.isFarmRegistrationNumberFieldEditable()) {
            farmDetailPanel.getRegistrationNumberRow().setWarning(issuingAgency.getPatternMessage());
        } else {
            farmDetailPanel.getRegistrationNumberRow().setValid();
        }

        if (!farmDetailPanel.getAddressPanel().validatePanel()) {
            valid = false;
        }
        return valid;
    }
    
    /**
     * Get the {@link ASBodyPanel} containing the panel provided in the constructor
     * @return 
     */
    public ASBodyPanel getPanel() {
        if (bodyPanel == null) {
            bodyPanel = new ASBodyPanel(farmDetailPanel);
            bodyPanel.setIcon(TITLE_ICON);
        }
        return bodyPanel;
    }

    public T getFarmDetailPanel() {
        return farmDetailPanel;
    }

    public abstract void farmDetailFieldsUpdated();

    private class FarmDetailsChangedListener implements AddressPanel.AddressFieldChangeListener {

        @Override
        public void insertUpdate(DocumentEvent e) {
            changed();
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
            changed();
        }

        @Override
        public void changedUpdate(DocumentEvent e) {
            changed();
        }

        void changed() {
            FarmDetailsController.this.farmDetailFieldsUpdated();
        }

        @Override
        public void actionPerformed(ActionEvent ae) {
            changed();
        }
    }

    private class NameChangedListener implements DocumentListener {

        @Override
        public void insertUpdate(DocumentEvent e) {
            updateTitle(e.getDocument());
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
            updateTitle(e.getDocument());
        }

        @Override
        public void changedUpdate(DocumentEvent e) {
            updateTitle(e.getDocument());
        }

        void updateTitle(Document d) {
            try {
                bodyPanel.setTitle(d.getText(0, d.getLength()));
            } catch (BadLocationException ex) {
                LOGGER.log(Level.SEVERE, "Could not update the title due to an exception");
            }
        }
    }
}