calendarpanel.java

小型的约会管理系统 对约会的时间地点事情进行记录与提醒

package s3063027030;
import java.awt.*; 
import java.awt.event.*; 
import java.util.*; 
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import javax.swing.*; 
import javax.swing.border.*;
import javax.swing.event.*; 
import javax.swing.table.*;

public class CalendarPanel extends JPanel{
	public static final String WEEK_SUN = "SUN"; 
    public static final String WEEK_MON = "MON"; 
    public static final String WEEK_TUE = "TUE"; 
    public static final String WEEK_WED = "WED"; 
    public static final String WEEK_THU = "THU"; 
    public static final String WEEK_FRI = "FRI"; 
    public static final String WEEK_SAT = "SAT";
    public static final String[] MONTH={"January", "Febuary", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };
    
    public static final Color background = Color.white; 
    public static final Color foreground = Color.black; 
    public static final Color headerBackground = Color.LIGHT_GRAY; 
    public static final Color headerForeground = Color.white; 
    public static final Color selectedBackground = Color.DARK_GRAY; 
    public static final Color selectedForeground = Color.white;
    
    private JLabel yearsLabel; 
    private JSpinner yearsSpinner; 
    private JLabel monthsLabel; 
    private JComboBox monthsComboBox; 
    private JTable daysTable; 
    private AbstractTableModel daysModel; 
    private Calendar calendar; 
    private JPanel tablePanel=new JPanel();
    private JPanel calendarPanel=new JPanel();
    private JPanel controlPanel = new JPanel();
    
	public CalendarPanel(Calendar calendar){
    	setLayout(new BorderLayout());
    	this.calendar=calendar;
    	init();
    	tablePanel.add(daysTable);
    	tablePanel.setBorder(new MatteBorder(3,3,0,0,Color.DARK_GRAY));
    	calendarPanel.setLayout(new BorderLayout(10,10));
    	calendarPanel.add(controlPanel,BorderLayout.NORTH);
    	calendarPanel.add(tablePanel,BorderLayout.CENTER);
    	calendarPanel.setBorder(new TitledBorder("日历"));
        add(calendarPanel, BorderLayout.NORTH);
    }
	
	public void update(){
		yearsSpinner.setValue(new Integer(calendar.get(Calendar.YEAR)));
		monthsComboBox.setSelectedIndex(calendar.get(Calendar.MONTH));
		daysModel.fireTableDataChanged();
	}
	
    public void init(){
    	yearsLabel = new JLabel("Year: "); 
        yearsSpinner = new JSpinner(); 
        yearsSpinner.setEditor(new JSpinner.NumberEditor(yearsSpinner, "0000"));
        yearsSpinner.setValue(new Integer(calendar.get(Calendar.YEAR))); 
        yearsSpinner.addChangeListener(new ChangeListener() { 
                public void stateChanged(ChangeEvent changeEvent) { 
                    int day = calendar.get(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, 1);
                    calendar.set(Calendar.YEAR, ((Integer) yearsSpinner.getValue()).intValue());
                    int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, day > maxDay ? maxDay : day);
                    updateView(); 
                } 
            });
         
        controlPanel.setLayout(new BorderLayout()); 
        controlPanel.add(new JPanel(), BorderLayout.CENTER); 
        JPanel yearPanel = new JPanel(); 
        controlPanel.add(yearPanel, BorderLayout.WEST); 
        yearPanel.setLayout(new BorderLayout()); 
        yearPanel.add(yearsLabel, BorderLayout.WEST); 
        yearPanel.add(yearsSpinner, BorderLayout.CENTER);
        
        monthsLabel = new JLabel("Month: "); 
        monthsComboBox = new JComboBox(); 
        
        monthsComboBox.setModel(new DefaultComboBoxModel(MONTH));
        monthsComboBox.setSelectedIndex(calendar.get(Calendar.MONTH)); 
        monthsComboBox.addActionListener(new ActionListener() { 
                public void actionPerformed(ActionEvent actionEvent) {
                    int day = calendar.get(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, 1);
                    calendar.set(Calendar.MONTH, monthsComboBox.getSelectedIndex());
                    int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, day > maxDay ? maxDay : day);
                    updateView(); 
                } 
            }); 
        JPanel monthPanel = new JPanel(); 
        controlPanel.add(monthPanel, BorderLayout.EAST); 
        monthPanel.setLayout(new BorderLayout()); 
        monthPanel.add(monthsLabel, BorderLayout.WEST); 
        monthPanel.add(monthsComboBox, BorderLayout.CENTER);
        
        daysModel = new AbstractTableModel() { 
            public int getRowCount() { 
                return 7; 
            }

            public int getColumnCount() { 
                return 7; 
            }

            public Object getValueAt(int row, int column) { 
                if (row == 0) { 
                    return getHeader(column); 
                } 
                row--; 
                Calendar calendar = (Calendar)CalendarPanel.this.calendar.clone();
                calendar.set(Calendar.DAY_OF_MONTH, 1);
                int dayCount = calendar.getActualMaximum(Calendar.DAY_OF_MONTH); 
                int moreDayCount = calendar.get(Calendar.DAY_OF_WEEK) - 1; 
                int index = row * 7 + column; 
                int dayIndex = index - moreDayCount + 1;
                if (index < moreDayCount || dayIndex > dayCount) { 
                    return null; 
                } else { 
                    return new Integer(dayIndex); 
                } 
            } 
        };
        daysTable = new CalendarTable(daysModel, calendar); 
        daysTable.setCellSelectionEnabled(true);
        daysTable.setGridColor(getBackground());
        daysTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        daysTable.setRowHeight(25);
        for(int i=0;i<daysTable.getColumnCount();i++)
        	daysTable.getColumnModel().getColumn(i).setPreferredWidth(35);

        daysTable.setDefaultRenderer(daysTable.getColumnClass(0), new TableCellRenderer() { 
                public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, 
                                                               boolean hasFocus, int row, int column) { 
                    String text = (value == null) ? "" : value.toString(); 
                    JLabel cell = new JLabel(text); 
                    cell.setOpaque(true); 
                    if (row == 0) { 
                        cell.setForeground(headerForeground); 
                        cell.setBackground(headerBackground); 
                    } else { 
                        if (isSelected) { 
                        	
                            cell.setForeground(selectedForeground); 
                            cell.setBackground(selectedBackground); 
                        } else { 
                            cell.setForeground(foreground); 
                            cell.setBackground(background); 
                        } 
                    }

                    return cell; 
                } 
            });
        updateView(); 
    }
    
    public static String getHeader(int index) { 
        switch (index) { 
        case 0: 
            return WEEK_SUN; 
        case 1: 
            return WEEK_MON; 
        case 2: 
            return WEEK_TUE; 
        case 3: 
            return WEEK_WED; 
        case 4: 
            return WEEK_THU; 
        case 5: 
            return WEEK_FRI; 
        case 6: 
            return WEEK_SAT; 
        default: 
            return null; 
        } 
    }
    
    public void updateView() { 
        daysModel.fireTableDataChanged();
        daysTable.setRowSelectionInterval(calendar.get(Calendar.WEEK_OF_MONTH),
                                          calendar.get(Calendar.WEEK_OF_MONTH));
        daysTable.setColumnSelectionInterval(calendar.get(Calendar.DAY_OF_WEEK) - 1,
                                             calendar.get(Calendar.DAY_OF_WEEK) - 1);
    }

    public static class CalendarTable extends JTable {

        private Calendar calendar;

        public CalendarTable(TableModel model, Calendar calendar) {
            super(model);
            this.calendar = calendar;
        }

        public void changeSelection(int row, int column, boolean toggle, boolean extend) {
            super.changeSelection(row, column, toggle, extend);
            if (row == 0) {
                return;
            }
            Object obj = getValueAt(row, column);
            if (obj != null) {
                calendar.set(Calendar.DAY_OF_MONTH, ((Integer)obj).intValue());
            }
        }
    }
    public static void main(String[] args){
		DateOrganizerSystem dateOrganizerSystem=new DateOrganizerSystem();
		ExecutorService exec=Executors.newCachedThreadPool();
		exec.execute(dateOrganizerSystem);
		DateOrganizerSystem.run(dateOrganizerSystem);
		exec.shutdown();
	}
}