at.rc.tacos.client.view.DateSelectionDialog.java Source code

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Here is the source code for at.rc.tacos.client.view.DateSelectionDialog.java

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/*******************************************************************************
 * Copyright (c) 2008, 2009 Internettechnik, FH JOANNEUM
 * http://www.fh-joanneum.at/itm
 * 
 *    Licenced under the GNU GENERAL PUBLIC LICENSE Version 2;
 *    You may obtain a copy of the License at
 *    http://www.gnu.org/licenses/gpl-2.0.txt
 * 
 * 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.
 *******************************************************************************/

package at.rc.tacos.client.view;

import java.util.Calendar;
import java.util.Date;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.forms.widgets.FormToolkit;

import at.rc.tacos.client.view.DatePickerPanel.DateSelection;

/**
 * The date selection dialog from the clipse mylyn project. (c) is by the
 * eclipse mylyn project
 * 
 * @author Ken Sueda
 * @author Mik Kersten
 * @author Rob Elves
 */
public class DateSelectionDialog extends Dialog {

    private Date reminderDate = null;

    private String title = "Date Selection";

    private Calendar initialCalendar = Calendar.getInstance();

    private FormToolkit toolkit;

    public DateSelectionDialog(Shell parentShell, String title) {
        this(parentShell, Calendar.getInstance(), title);
    }

    public DateSelectionDialog(Shell parentShell, Calendar initialDate, String title) {
        super(parentShell);

        toolkit = new FormToolkit(parentShell.getDisplay());
        ;
        if (title != null) {
            this.title = title;
        }
        if (initialDate != null) {
            this.initialCalendar.setTime(initialDate.getTime());
        }
        reminderDate = initialCalendar.getTime();
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        getShell().setText(title);
        DatePickerPanel datePanel = new DatePickerPanel(parent, SWT.NULL, initialCalendar);
        datePanel.addSelectionChangedListener(new ISelectionChangedListener() {

            public void selectionChanged(SelectionChangedEvent event) {
                if (!event.getSelection().isEmpty()) {
                    DateSelection dateSelection = (DateSelection) event.getSelection();
                    reminderDate = dateSelection.getDate().getTime();
                }
            }
        });
        datePanel.setBackground(toolkit.getColors().getBackground());
        return datePanel;
    }

    @Override
    public boolean close() {
        toolkit.dispose();
        return super.close();
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        parent.setBackground(toolkit.getColors().getBackground());
        createButton(parent, IDialogConstants.CLIENT_ID + 1, "Clear", false);
        super.createButtonsForButtonBar(parent);
    }

    @Override
    protected void buttonPressed(int buttonId) {
        super.buttonPressed(buttonId);
        if (buttonId == IDialogConstants.CLIENT_ID + 1) {
            reminderDate = null;
            okPressed();
        }
    }

    public Date getDate() {
        return reminderDate;
    }
}