Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.tools.swing.serv.field.component.date;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.util.Calendar;

import java.util.Date;

import java.util.Locale;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComponent;

import javax.swing.JDialog;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

import org.freixas.jcalendar.DateEvent;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.service.ServiceException;

import org.gvsig.tools.swing.api.dynobject.ValueChangedListener;

import org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent;

import org.gvsig.tools.swing.api.dynobject.dynfield.ValueField;

import org.gvsig.tools.swing.serv.field.component.JNullValueMuttableTextField;

import org.gvsig.tools.swing.spi.AbstractJDynFieldComponent;

public class JDateCalendarDynFieldComponent extends AbstractJDynFieldComponent

    implements JDynFieldComponent, FocusListener, ChangeListener,

    ValueChangedListener, ActionListener {

        private static final String BTN_EMPTY_IMG_PATH = "editdelete.png";

    private JButton jBtnChangeDate;

    // private JNullSpinner dateField;

    private DateCalendarPicker datePicker;

    private JDialog dlg;

    // private JPanel pane;

    private JNullValueMuttableTextField dateFieldPanel;

    private Object oldTxt;

        public JDateCalendarDynFieldComponent(ValueField valueField)

        throws ServiceException {

                super(valueField);

        if (getDynField().getType() != DataTypes.DATE) {

            this.getJBtnChangeDate().setVisible(false);

        }

    }

    public void actionPerformed(ActionEvent e) {

        JButton btn = (JButton) e.getSource();

        if (btn.getActionCommand().equals("BTN_OK")) {

            if (dlg != null) {

                setValue(datePicker.getSelectedDate());

            }

        }

        if (dlg != null) {

            dlg.setVisible(false);

        }

        this.fireValueChangedEvent();

    }

    @Override

    protected void afterUI() {

        // TODO Auto-generated method stub

    }

    public JComponent asJComponent() {

        return getModel();

    }

    protected void close() {

        dlg.setVisible(false);

    }

    protected DateCalendarPicker createCalendarPicker(Date date, Locale loc) {

        DateCalendarPicker datePicker =

            new DateCalendarPicker(this.getDate(), loc);

        datePicker.setPreferredSize(new java.awt.Dimension(450, 410));

        return datePicker;

    }

    public void dateChanged(DateEvent dateEvent) {

        Calendar cal = dateEvent.getSelectedDate();

        if (cal != null) {

            this.getModel().setValue(null);

        } else {

            this.getModel().setValue(cal.getTime());

        }

        close();

        this.fireValueChangedEvent();

    }

    public void focusGained(FocusEvent e) {

        oldTxt = getValue();

        this.fireValueChangedEvent();

    }

    public void focusLost(FocusEvent e) {

        Object txt = getValue();

        Date date = getDate();

        if (date == null) {

            if (!((txt == null) || (txt.equals("")))) {

                setValue(oldTxt);

            }

        } else {

            setValue(txt);

            oldTxt = txt;

        }

        this.fireValueChangedEvent();

    }

    protected ImageIcon getBtnEmptyImageIcon() {

                return new ImageIcon(this.getClass().getResource(BTN_EMPTY_IMG_PATH));

    }

    private Date getDate() {

        return (Date) getValue();

    }

    /**

     * This method initializes jButton

     * 

     * @return javax.swing.JButton

     */

    public JButton getJBtnChangeDate() {

        if (jBtnChangeDate == null) {

            jBtnChangeDate = new JButton();

            jBtnChangeDate.setText("..."); //$NON-NLS-1$

            jBtnChangeDate.setPreferredSize(new java.awt.Dimension(26, 26));

        }

        return jBtnChangeDate;

    }

    private JNullValueMuttableTextField getModel() {

        return dateFieldPanel;

    }

    @Override

    public Object getValue() {

        return this.getModel().getTextFieldValue();

    }

    public void handleValueChanged(JDynFieldComponent jDynFieldComponent) {

        this.fireValueChangedEvent();

    }

    private void initBtnChangeDate(Locale loc) {

        if (datePicker == null) {

            datePicker = createCalendarPicker(this.getDate(), loc);

            // datePicker.setSize(datePicker.getPreferredSize());

            datePicker.addButtonsActionListener(this);

        }

        getJBtnChangeDate().addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                datePicker.setSelectedDate(getDate());

                showDialog(datePicker);

            }

        });

    }

    @Override

    protected void initData() {

        // TODO Auto-generated method stub

    }

    @Override

    protected void initUI() {

        this.dateFieldPanel =

            new JNullValueMuttableTextField(this.getDynField(), this

                .getInitialValue(), Locale.getDefault(), getBtnEmptyImageIcon());

        // this.dateFieldPanel.addEmptyButtonActionListener(this);

        this.dateFieldPanel.add(this.getJBtnChangeDate());

        this.dateFieldPanel.addValueChangedListener(this);

        initBtnChangeDate(getModel().getLocale());

    }

    @Override

    public boolean isValid() {

        Date date = getDate();

        if ((date == null) && (this.getDynField().isMandatory())) {

            return false;

        }

        return true;

    }

    public void requestFocus() {

        this.getModel().requestFocus();

        this.fireValueChangedEvent();

    }

    public void setEnabled(boolean isEnabled) {

        getModel().setEnabled(isEnabled);

    }

    @Override

    protected void setJDynFieldComponentListeners() {

    }

    @Override

    protected void setNonNullValue(Object value) {

        this.getModel().setValue(value);

    }

    // public void stateChanged(ChangeEvent e) {

    // this.fireValueChangedEvent();

    // }

    @Override

    protected void setNullValue() {

        this.getModel().setValue(null);

    }

    @Override

    protected void setReadOnly() {

        this.getModel().setEditable(false);

        this.getJBtnChangeDate().setVisible(false);

    }

    protected void showDialog(DateCalendarPicker datePicker) {

        dlg = new JDialog();

        dlg.add(datePicker);

        dlg.setSize(datePicker.getPreferredSize());

        dlg.setVisible(true);

    }

    public void stateChanged(ChangeEvent e) {

        this.fireValueChangedEvent();

    }

}