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

package org.gvsig.tools.swing.impl.pickercontroller;

import static java.awt.Component.RIGHT_ALIGNMENT;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.net.URL;

import java.text.DateFormat;

import java.text.ParseException;

import java.util.Date;

import java.util.Locale;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFormattedTextField;

import javax.swing.JPopupMenu;

import javax.swing.text.JTextComponent;

import javax.swing.text.DateFormatter;

import javax.swing.text.DefaultFormatterFactory;

import org.apache.commons.lang3.StringUtils;

import org.freixas.jcalendar.DateEvent;

import org.freixas.jcalendar.DateListener;

import org.freixas.jcalendar.JCalendar;

import org.gvsig.tools.dataTypes.DataTypes;

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

import org.gvsig.tools.swing.api.pickercontroller.AbstractPickerController;

import org.gvsig.tools.swing.api.pickercontroller.DatePickerController;

import org.gvsig.tools.swing.icontheme.IconTheme;

import org.gvsig.tools.swing.icontheme.IconThemeManager;

/**

 *

 * @author jjdelcerro

 */

public class DatePickerControllerImpl 

        extends AbstractPickerController<Date> 

        implements DatePickerController

    {

    private final JButton btnDate;

    private final JTextComponent txtDate;

    private JCalendar jcalendar;

    private DateFormat df;

    public static void selfRegister() {

        URL imageResource = DatePickerControllerImpl.class.getClassLoader().getResource("org/gvsig/tools/swing/picker/picker-date.png");

        if (imageResource != null) {

            IconThemeManager iconThemeManager = ToolsSwingLocator.getIconThemeManager();

            IconTheme theme = iconThemeManager.getCurrent();

            ImageIcon icon = new ImageIcon(imageResource);

            theme.registerDefault("tools", "picker", "picker-date", icon, imageResource);

        }

    }

    public DatePickerControllerImpl(JTextComponent txtDate, JButton btnDate) {

        this.txtDate = txtDate;

        ToolsSwingLocator.getToolsSwingManager().addClearButton(txtDate, new ActionListener() {

          @Override

          public void actionPerformed(ActionEvent e) {

            set(null);

            txtDate.setText("");

          }

        });

        this.df = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM, Locale.getDefault());

        if( this.txtDate instanceof JFormattedTextField ) {

            DefaultFormatterFactory formatterFactory = new DefaultFormatterFactory(new DateFormatter(df));

            ((JFormattedTextField)(this.txtDate)).setFormatterFactory(formatterFactory);

        }

        this.btnDate = btnDate;

        this.txtDate.setAlignmentX(RIGHT_ALIGNMENT);

        this.txtDate.setEditable(true);

        this.btnDate.setIcon(this.getIcon("picker-date"));

        this.btnDate.setText("");

        this.btnDate.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doShowCalendar();

            }

        });

    }

    @Override

    public boolean isValid() {

      if( StringUtils.isBlank(this.txtDate.getText()) ) {

        return true;

      }

      try {

        Date date = this.df.parse(this.txtDate.getText());

        return true;

      } catch (ParseException ex) {

        return false;

      }

    }

    @Override

    public boolean isEmpty() {

      if( StringUtils.isBlank(this.txtDate.getText()) ) {

        return true;

      }

      try {

        Date date = this.df.parse(this.txtDate.getText());

        return false;

      } catch (ParseException ex) {

        return true;

      }

    }

    @Override

    public Date get() {

      if( StringUtils.isBlank(this.txtDate.getText()) ) {

        return null;

      }

      try {

        Date date = this.df.parse(this.txtDate.getText());

        return date;

      } catch (ParseException ex) {

        return null;

      }

    }

    @Override

    public void set(Date date) {

        this.txtDate.setText(this.df.format(date));

    }

    @Override

    public void setEnabled(boolean enabled) {

        this.btnDate.setEnabled(enabled);

        this.txtDate.setEnabled(enabled);

    }

    @Override

    public boolean isEnabled() {

        return this.btnDate.isEnabled();

    }

    private void doShowCalendar() {

        if( !this.isEditable() ) {

            return;

        }

        JPopupMenu menu = new JPopupMenu();

        menu.add(getJCalendar());

        Date v = this.get();

        if (v != null) {

            getJCalendar().setDate(v);

        }

        menu.show(this.txtDate, 0, this.txtDate.getY() + this.txtDate.getPreferredSize().height);

        this.set(getJCalendar().getDate());

        this.fireChangeEvent();

    }

    protected JCalendar getJCalendar() {

        if (this.jcalendar == null) {

            this.jcalendar = new JCalendar();

            this.jcalendar.addDateListener(new DateListener() {

                @Override

                public void dateChanged(DateEvent arg0) {

                    set(getJCalendar().getDate());

                    fireChangeEvent();

                }

            });

        }

        return (JCalendar) this.jcalendar;

    }

    @Override

    public void coerceAndSet(Object value) {

        this.set((Date) this.coerce(DataTypes.DATE, value, new Date()));

    }

}