org.eclipse.scout.rt.ui.rap/src/org/eclipse/scout/rt/ui/rap/form/fields/datefield/chooser/DateChooserDialog.java - scout/org.eclipse.scout.rt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011 BSI Business Systems Integration AG.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     BSI Business Systems Integration AG - initial API and implementation
  *******************************************************************************/
 package org.eclipse.scout.rt.ui.rap.form.fields.datefield.chooser;

 import java.text.DateFormatSymbols;
 import java.util.Calendar;
 import java.util.Date;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.rap.rwt.RWT;
 import org.eclipse.rap.rwt.lifecycle.WidgetUtil;
 import org.eclipse.scout.commons.DateUtility;
 import org.eclipse.scout.rt.ui.rap.ext.table.util.TableCellRolloverSupport;
 import org.eclipse.scout.rt.ui.rap.util.RwtUtility;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.MouseAdapter;
 import org.eclipse.swt.events.MouseEvent;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.FormAttachment;
 import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.FormLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;
 import org.eclipse.swt.widgets.TableItem;

 public class DateChooserDialog extends Dialog {
   private static final long serialVersionUID = 1L;

   private static final String NEXT_YEAR_CUSTOM_VARIANT = "datechooser-dialog-next-year";
   private static final String NEXT_MONTH_CUSTOM_VARIANT = "datechooser-dialog-next-month";
   private static final String LAST_MONTH_CUSTOM_VARIANT = "datechooser-dialog-last-month";
   private static final String LAST_YEAR_CUSTOM_VARIANT = "datechooser-dialog-last-year";
   private static final String DATECHOOSER_DIALOG_CUSTOM_VARIANT = "datechooser-dialog";

   public static final int TYPE_BACK_YEAR = 1 << 0;
   public static final int TYPE_BACK_MONTH = 1 << 1;
   public static final int TYPE_FOREWARD_MONTH = 1 << 2;
   public static final int TYPE_FOREWARD_YEAR = 1 << 3;

   private static final int DATE_CELL_WIDTH = 35;
   private static final int DATE_CELL_HEIGHT = SWT.DEFAULT;
   private static final int CONTROL_BUTTON_WIDTH = 15;
   private static final int CONTROL_BUTTON_HEIGHT = 15;
   private TableViewer m_viewer;
   private Label m_monthLabel;
   private DatefieldTableModel m_model;
   private Date m_returnDate = null;

   @Override
   protected int getShellStyle() {
     return SWT.NONE;
   }

   public DateChooserDialog(Shell parentShell, Date date) {
     super(parentShell);
     m_model = new DatefieldTableModel(RwtUtility.getClientSessionLocale(parentShell.getDisplay()));
     setDisplayDate(date);
     setBlockOnOpen(false);

     create();
   }

   private void setDisplayDate(Date date) {
     m_model.setHighLightDate(date);
     m_model.setNavigationDate(date);
   }

   public void openDateChooser(Control c) {
     showDialogFor(c);
   }

   public Date getReturnDate() {
     return m_returnDate;
   }

   public int showDialogFor(Control field) {
     Point location = getLocation(field);
     if (location != null) {
       getShell().setLocation(location);
     }

     m_viewer.refresh();

     return this.open();
   }

   /**
    * Override this method to set a custom location.
    * <p>
    * As default the popup is opened right under the field.
    * </p>
    */
   protected Point getLocation(Control field) {
     // make sure that the popup fit into the application window.
     Rectangle appBounds = field.getDisplay().getBounds();
     Point absPrefPos = field.toDisplay(0, field.getSize().y);
     Rectangle prefBounds = new Rectangle(absPrefPos.x, absPrefPos.y, getShell().getSize().x, getShell().getSize().y);

     // horizontal correction
     if (prefBounds.x + prefBounds.width > appBounds.width) {
       prefBounds.x = appBounds.width - prefBounds.width;
     }
     // vertical correction
     if (prefBounds.y + prefBounds.height > appBounds.height) {
       prefBounds.y = appBounds.height - prefBounds.height;
     }

     return new Point(prefBounds.x, prefBounds.y);
   }

   @Override
   protected Control createContents(Composite parent) {
     parent.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());

     Composite rootArea = new Composite(parent, SWT.NO_FOCUS);
     rootArea.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
     GridData gridData = new GridData(SWT.CENTER, SWT.CENTER, true, true);
     rootArea.setLayoutData(gridData);

     Control navigationArea = createControlArea(rootArea);
     Control calendarArea = createPickDateArea(rootArea);

     // layout
     rootArea.setLayout(new FormLayout());
     FormData data = new FormData();
     data.top = new FormAttachment(0, 0);
     data.left = new FormAttachment(0, 0);
     data.right = new FormAttachment(100, 0);
     navigationArea.setLayoutData(data);
     data = new FormData();
     data.top = new FormAttachment(navigationArea, 2);
     data.left = new FormAttachment(0, 0);
     data.right = new FormAttachment(100, 0);
     data.bottom = new FormAttachment(100, -5);
     calendarArea.setLayoutData(data);

     return rootArea;
   }

   protected String getDialogVariant() {
     return DATECHOOSER_DIALOG_CUSTOM_VARIANT;
   }

   private Control createPickDateArea(Composite parent) {
     final Table table = new Table(parent, SWT.SINGLE | SWT.NO_SCROLL | SWT.HIDE_SELECTION);
     table.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
     if (getDateCellHeight() != SWT.DEFAULT) {
       table.setData(RWT.CUSTOM_ITEM_HEIGHT, getDateCellHeight());
     }
     table.setLinesVisible(true);
     TableViewer viewer = new TableViewer(table);
     new TableCellRolloverSupport(viewer);
     table.setHeaderVisible(true);

     table.addListener(SWT.MouseDown, new Listener() {
       private static final long serialVersionUID = 1L;

       @Override
       public void handleEvent(Event event) {
         switch (event.type) {
           case SWT.MouseDown: {
             TableColumn columnAt = RwtUtility.getRwtColumnAt(table, new Point(event.x, event.y));
             TableItem item = table.getItem(new Point(event.x, event.y));
             if (item != null) {
               item.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
               if (columnAt != null) {
                 Date date = ((DateRow) item.getData()).getDate(table.indexOf(columnAt) - 1);
                 m_returnDate = date;
                 getShell().getDisplay().asyncExec(new Runnable() {
                   @Override
                   public void run() {
                     close();
                   }
                 });
               }
             }
             break;
           }
         }
       }
     });

     TableColumn dummyColumn = new TableColumn(table, SWT.RIGHT);
     dummyColumn.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
     dummyColumn.setWidth(0);
     dummyColumn.setResizable(false);
     dummyColumn.setMoveable(false);

     String[] wd = new DateFormatSymbols(RwtUtility.getClientSessionLocale(parent.getDisplay())).getShortWeekdays();
     // create the m_columns from monday to saturday
     for (int i = 2; i < 8; i++) {
       TableColumn col = new TableColumn(table, SWT.CENTER);
       col.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
       col.setWidth(getDateCellWidth());
       col.setResizable(false);
       col.setMoveable(false);
       col.setText(wd[i]);
     }
     // sunday
     TableColumn col = new TableColumn(table, SWT.CENTER);
     col.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
     col.setWidth(getDateCellWidth());
     col.setResizable(false);
     col.setMoveable(false);
     col.setText(wd[Calendar.SUNDAY]);
     // viewer
     m_viewer = viewer;

     m_viewer.setLabelProvider(m_model);
     m_viewer.setContentProvider(m_model);
     m_viewer.setInput(m_model);

     return table;
   }

   protected int getDateCellWidth() {
     return DATE_CELL_WIDTH;
   }

   protected int getDateCellHeight() {
     return DATE_CELL_HEIGHT;
   }

   private Control createControlArea(Composite parent) {
     Composite rootArea = RwtUtility.getUiEnvironment(parent.getDisplay()).getFormToolkit().createComposite(parent, SWT.NO_FOCUS);
     rootArea.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
     createButton(rootArea, TYPE_BACK_YEAR);
     createButton(rootArea, TYPE_BACK_MONTH);
     m_monthLabel = new Label(rootArea, SWT.CENTER);
     m_monthLabel.setText(m_model.getMonthYearLabel());
     m_monthLabel.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
     createButton(rootArea, TYPE_FOREWARD_MONTH);
     createButton(rootArea, TYPE_FOREWARD_YEAR);
     // layout
     rootArea.setLayout(new GridLayout(5, false));
     GridData data = new GridData();
     data.grabExcessHorizontalSpace = true;
     data.horizontalAlignment = GridData.FILL;
     m_monthLabel.setLayoutData(data);
     return rootArea;
   }

   private Button createButton(Composite parent, int type) {
     String variant = getControlButtonVariant(type);

     Button b = new Button(parent, SWT.PUSH);
     b.setData(WidgetUtil.CUSTOM_VARIANT, variant);
     b.addMouseListener(new P_NavigationMouseListener(type));
     GridData data = new GridData(getControlButtonWidth(), getControlButtonHeight());
     data.horizontalAlignment = GridData.FILL;
     data.grabExcessHorizontalSpace = false;
     b.setLayoutData(data);
     return b;
   }

   /**
    * Override this method to set a custom variant name for the control buttons
    */
   protected String getControlButtonVariant(int type) {
     switch (type) {
       case TYPE_BACK_YEAR:
         return LAST_YEAR_CUSTOM_VARIANT;
       case TYPE_BACK_MONTH:
         return LAST_MONTH_CUSTOM_VARIANT;
       case TYPE_FOREWARD_MONTH:
         return NEXT_MONTH_CUSTOM_VARIANT;
       case TYPE_FOREWARD_YEAR:
         return NEXT_YEAR_CUSTOM_VARIANT;
       default:
         return null;
     }
   }

   protected int getControlButtonWidth() {
     return CONTROL_BUTTON_WIDTH;
   }

   protected int getControlButtonHeight() {
     return CONTROL_BUTTON_HEIGHT;
   }

   private class P_NavigationMouseListener extends MouseAdapter {
     private static final long serialVersionUID = 1L;
     private int m_type;

     P_NavigationMouseListener(int type) {
       m_type = type;
     }

     @Override
     public void mouseDown(MouseEvent e) {
       switch (m_type) {
         case TYPE_BACK_YEAR:
           m_model.setNavigationDate(DateUtility.addYears(m_model.getNavigationDate(), -1));
           break;
         case TYPE_BACK_MONTH:
           m_model.setNavigationDate(DateUtility.addMonths(m_model.getNavigationDate(), -1));
           break;
         case TYPE_FOREWARD_MONTH:
           m_model.setNavigationDate(DateUtility.addMonths(m_model.getNavigationDate(), 1));
           break;
         case TYPE_FOREWARD_YEAR:
           m_model.setNavigationDate(DateUtility.addYears(m_model.getNavigationDate(), 1));
           break;
       }
       m_viewer.refresh();
       m_monthLabel.setText(m_model.getMonthYearLabel());
     }
   } // end class P_NavigationSelectionListener
 }
	/*******************************************************************************
	* Copyright (c) 2011 BSI Business Systems Integration AG.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* BSI Business Systems Integration AG - initial API and implementation
	*******************************************************************************/
	package org.eclipse.scout.rt.ui.rap.form.fields.datefield.chooser;

	import java.text.DateFormatSymbols;
	import java.util.Calendar;
	import java.util.Date;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.rap.rwt.RWT;
	import org.eclipse.rap.rwt.lifecycle.WidgetUtil;
	import org.eclipse.scout.commons.DateUtility;
	import org.eclipse.scout.rt.ui.rap.ext.table.util.TableCellRolloverSupport;
	import org.eclipse.scout.rt.ui.rap.util.RwtUtility;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.MouseAdapter;
	import org.eclipse.swt.events.MouseEvent;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.graphics.Rectangle;
	import org.eclipse.swt.layout.FormAttachment;
	import org.eclipse.swt.layout.FormData;
	import org.eclipse.swt.layout.FormLayout;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Listener;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableColumn;
	import org.eclipse.swt.widgets.TableItem;

	public class DateChooserDialog extends Dialog {
	private static final long serialVersionUID = 1L;

	private static final String NEXT_YEAR_CUSTOM_VARIANT = "datechooser-dialog-next-year";
	private static final String NEXT_MONTH_CUSTOM_VARIANT = "datechooser-dialog-next-month";
	private static final String LAST_MONTH_CUSTOM_VARIANT = "datechooser-dialog-last-month";
	private static final String LAST_YEAR_CUSTOM_VARIANT = "datechooser-dialog-last-year";
	private static final String DATECHOOSER_DIALOG_CUSTOM_VARIANT = "datechooser-dialog";

	public static final int TYPE_BACK_YEAR = 1 << 0;
	public static final int TYPE_BACK_MONTH = 1 << 1;
	public static final int TYPE_FOREWARD_MONTH = 1 << 2;
	public static final int TYPE_FOREWARD_YEAR = 1 << 3;

	private static final int DATE_CELL_WIDTH = 35;
	private static final int DATE_CELL_HEIGHT = SWT.DEFAULT;
	private static final int CONTROL_BUTTON_WIDTH = 15;
	private static final int CONTROL_BUTTON_HEIGHT = 15;
	private TableViewer m_viewer;
	private Label m_monthLabel;
	private DatefieldTableModel m_model;
	private Date m_returnDate = null;

	@Override
	protected int getShellStyle() {
	return SWT.NONE;
	}

	public DateChooserDialog(Shell parentShell, Date date) {
	super(parentShell);
	m_model = new DatefieldTableModel(RwtUtility.getClientSessionLocale(parentShell.getDisplay()));
	setDisplayDate(date);
	setBlockOnOpen(false);

	create();
	}

	private void setDisplayDate(Date date) {
	m_model.setHighLightDate(date);
	m_model.setNavigationDate(date);
	}

	public void openDateChooser(Control c) {
	showDialogFor(c);
	}

	public Date getReturnDate() {
	return m_returnDate;
	}

	public int showDialogFor(Control field) {
	Point location = getLocation(field);
	if (location != null) {
	getShell().setLocation(location);
	}

	m_viewer.refresh();

	return this.open();
	}

	/**
	* Override this method to set a custom location.
	* <p>
	* As default the popup is opened right under the field.
	* </p>
	*/
	protected Point getLocation(Control field) {
	// make sure that the popup fit into the application window.
	Rectangle appBounds = field.getDisplay().getBounds();
	Point absPrefPos = field.toDisplay(0, field.getSize().y);
	Rectangle prefBounds = new Rectangle(absPrefPos.x, absPrefPos.y, getShell().getSize().x, getShell().getSize().y);

	// horizontal correction
	if (prefBounds.x + prefBounds.width > appBounds.width) {
	prefBounds.x = appBounds.width - prefBounds.width;
	}
	// vertical correction
	if (prefBounds.y + prefBounds.height > appBounds.height) {
	prefBounds.y = appBounds.height - prefBounds.height;
	}

	return new Point(prefBounds.x, prefBounds.y);
	}

	@Override
	protected Control createContents(Composite parent) {
	parent.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());

	Composite rootArea = new Composite(parent, SWT.NO_FOCUS);
	rootArea.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	GridData gridData = new GridData(SWT.CENTER, SWT.CENTER, true, true);
	rootArea.setLayoutData(gridData);

	Control navigationArea = createControlArea(rootArea);
	Control calendarArea = createPickDateArea(rootArea);

	// layout
	rootArea.setLayout(new FormLayout());
	FormData data = new FormData();
	data.top = new FormAttachment(0, 0);
	data.left = new FormAttachment(0, 0);
	data.right = new FormAttachment(100, 0);
	navigationArea.setLayoutData(data);
	data = new FormData();
	data.top = new FormAttachment(navigationArea, 2);
	data.left = new FormAttachment(0, 0);
	data.right = new FormAttachment(100, 0);
	data.bottom = new FormAttachment(100, -5);
	calendarArea.setLayoutData(data);

	return rootArea;
	}

	protected String getDialogVariant() {
	return DATECHOOSER_DIALOG_CUSTOM_VARIANT;
	}

	private Control createPickDateArea(Composite parent) {
	final Table table = new Table(parent, SWT.SINGLE \| SWT.NO_SCROLL \| SWT.HIDE_SELECTION);
	table.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	if (getDateCellHeight() != SWT.DEFAULT) {
	table.setData(RWT.CUSTOM_ITEM_HEIGHT, getDateCellHeight());
	}
	table.setLinesVisible(true);
	TableViewer viewer = new TableViewer(table);
	new TableCellRolloverSupport(viewer);
	table.setHeaderVisible(true);

	table.addListener(SWT.MouseDown, new Listener() {
	private static final long serialVersionUID = 1L;

	@Override
	public void handleEvent(Event event) {
	switch (event.type) {
	case SWT.MouseDown: {
	TableColumn columnAt = RwtUtility.getRwtColumnAt(table, new Point(event.x, event.y));
	TableItem item = table.getItem(new Point(event.x, event.y));
	if (item != null) {
	item.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	if (columnAt != null) {
	Date date = ((DateRow) item.getData()).getDate(table.indexOf(columnAt) - 1);
	m_returnDate = date;
	getShell().getDisplay().asyncExec(new Runnable() {
	@Override
	public void run() {
	close();
	}
	});
	}
	}
	break;
	}
	}
	}
	});

	TableColumn dummyColumn = new TableColumn(table, SWT.RIGHT);
	dummyColumn.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	dummyColumn.setWidth(0);
	dummyColumn.setResizable(false);
	dummyColumn.setMoveable(false);

	String[] wd = new DateFormatSymbols(RwtUtility.getClientSessionLocale(parent.getDisplay())).getShortWeekdays();
	// create the m_columns from monday to saturday
	for (int i = 2; i < 8; i++) {
	TableColumn col = new TableColumn(table, SWT.CENTER);
	col.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	col.setWidth(getDateCellWidth());
	col.setResizable(false);
	col.setMoveable(false);
	col.setText(wd[i]);
	}
	// sunday
	TableColumn col = new TableColumn(table, SWT.CENTER);
	col.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	col.setWidth(getDateCellWidth());
	col.setResizable(false);
	col.setMoveable(false);
	col.setText(wd[Calendar.SUNDAY]);
	// viewer
	m_viewer = viewer;

	m_viewer.setLabelProvider(m_model);
	m_viewer.setContentProvider(m_model);
	m_viewer.setInput(m_model);

	return table;
	}

	protected int getDateCellWidth() {
	return DATE_CELL_WIDTH;
	}

	protected int getDateCellHeight() {
	return DATE_CELL_HEIGHT;
	}

	private Control createControlArea(Composite parent) {
	Composite rootArea = RwtUtility.getUiEnvironment(parent.getDisplay()).getFormToolkit().createComposite(parent, SWT.NO_FOCUS);
	rootArea.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	createButton(rootArea, TYPE_BACK_YEAR);
	createButton(rootArea, TYPE_BACK_MONTH);
	m_monthLabel = new Label(rootArea, SWT.CENTER);
	m_monthLabel.setText(m_model.getMonthYearLabel());
	m_monthLabel.setData(WidgetUtil.CUSTOM_VARIANT, getDialogVariant());
	createButton(rootArea, TYPE_FOREWARD_MONTH);
	createButton(rootArea, TYPE_FOREWARD_YEAR);
	// layout
	rootArea.setLayout(new GridLayout(5, false));
	GridData data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.horizontalAlignment = GridData.FILL;
	m_monthLabel.setLayoutData(data);
	return rootArea;
	}

	private Button createButton(Composite parent, int type) {
	String variant = getControlButtonVariant(type);

	Button b = new Button(parent, SWT.PUSH);
	b.setData(WidgetUtil.CUSTOM_VARIANT, variant);
	b.addMouseListener(new P_NavigationMouseListener(type));
	GridData data = new GridData(getControlButtonWidth(), getControlButtonHeight());
	data.horizontalAlignment = GridData.FILL;
	data.grabExcessHorizontalSpace = false;
	b.setLayoutData(data);
	return b;
	}

	/**
	* Override this method to set a custom variant name for the control buttons
	*/
	protected String getControlButtonVariant(int type) {
	switch (type) {
	case TYPE_BACK_YEAR:
	return LAST_YEAR_CUSTOM_VARIANT;
	case TYPE_BACK_MONTH:
	return LAST_MONTH_CUSTOM_VARIANT;
	case TYPE_FOREWARD_MONTH:
	return NEXT_MONTH_CUSTOM_VARIANT;
	case TYPE_FOREWARD_YEAR:
	return NEXT_YEAR_CUSTOM_VARIANT;
	default:
	return null;
	}
	}

	protected int getControlButtonWidth() {
	return CONTROL_BUTTON_WIDTH;
	}

	protected int getControlButtonHeight() {
	return CONTROL_BUTTON_HEIGHT;
	}

	private class P_NavigationMouseListener extends MouseAdapter {
	private static final long serialVersionUID = 1L;
	private int m_type;

	P_NavigationMouseListener(int type) {
	m_type = type;
	}

	@Override
	public void mouseDown(MouseEvent e) {
	switch (m_type) {
	case TYPE_BACK_YEAR:
	m_model.setNavigationDate(DateUtility.addYears(m_model.getNavigationDate(), -1));
	break;
	case TYPE_BACK_MONTH:
	m_model.setNavigationDate(DateUtility.addMonths(m_model.getNavigationDate(), -1));
	break;
	case TYPE_FOREWARD_MONTH:
	m_model.setNavigationDate(DateUtility.addMonths(m_model.getNavigationDate(), 1));
	break;
	case TYPE_FOREWARD_YEAR:
	m_model.setNavigationDate(DateUtility.addYears(m_model.getNavigationDate(), 1));
	break;
	}
	m_viewer.refresh();
	m_monthLabel.setText(m_model.getMonthYearLabel());
	}
	} // end class P_NavigationSelectionListener
	}