我正在寻找有关如何添加可以创建和编辑的活动的想法和建议。
我希望应用程序保持相当基本,但我知道我会/应该将它链接到数据库来保存事件。
以下是
的当前代码import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class CalendarProgram {
static JLabel lblMonth, lblYear;
static JButton btnPrev, btnNext;
static JTable tblCalendar;
static JComboBox cmbYear;
static JFrame frmMain;
static Container pane;
static DefaultTableModel mtblCalendar; // Table model
static JScrollPane stblCalendar; // The scrollpane
static JPanel pnlCalendar;
static int realYear, realMonth, realDay, currentYear, currentMonth;
public static void main(String args[]) {
// Look and feel
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException e) {
} catch (InstantiationException e) {
} catch (IllegalAccessException e) {
} catch (UnsupportedLookAndFeelException e) {
}
// Prepare frame
frmMain = new JFrame("Resource System"); // Create frame
frmMain.setSize(360, 375); // Set size to 400x400 pixels
pane = frmMain.getContentPane(); // Get content pane
pane.setLayout(null); // Apply null layout
frmMain.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Close when X
// is clicked
// Create controls
lblMonth = new JLabel("January");
lblYear = new JLabel("Change year:");
cmbYear = new JComboBox();
btnPrev = new JButton("<<");
btnNext = new JButton(">>");
mtblCalendar = new DefaultTableModel() {
public boolean isCellEditable(int rowIndex, int mColIndex) {
return true;
}
};
tblCalendar = new JTable(mtblCalendar);
stblCalendar = new JScrollPane(tblCalendar);
pnlCalendar = new JPanel(null);
// Set border
pnlCalendar.setBorder(BorderFactory.createTitledBorder("Calendar"));
// Register action listeners
btnPrev.addActionListener(new btnPrev_Action());
btnNext.addActionListener(new btnNext_Action());
cmbYear.addActionListener(new cmbYear_Action());
// Add controls to pane
pane.add(pnlCalendar);
pnlCalendar.add(lblMonth);
pnlCalendar.add(lblYear);
pnlCalendar.add(cmbYear);
pnlCalendar.add(btnPrev);
pnlCalendar.add(btnNext);
pnlCalendar.add(stblCalendar);
// Set bounds
pnlCalendar.setBounds(0, 0, 320, 335);
lblMonth.setBounds(160 - lblMonth.getPreferredSize().width / 2, 25,
100, 25);
lblYear.setBounds(10, 305, 80, 20);
cmbYear.setBounds(230, 305, 80, 20);
btnPrev.setBounds(10, 25, 50, 25);
btnNext.setBounds(260, 25, 50, 25);
stblCalendar.setBounds(10, 50, 300, 250);
// Make frame visible
frmMain.setResizable(false);
frmMain.setVisible(true);
// Get real month/year
GregorianCalendar cal = new GregorianCalendar(); // Create calendar
realDay = cal.get(GregorianCalendar.DAY_OF_MONTH); // Get day
realMonth = cal.get(GregorianCalendar.MONTH); // Get month
realYear = cal.get(GregorianCalendar.YEAR); // Get year
currentMonth = realMonth; // Match month and year
currentYear = realYear;
// Add headers
String[] headers = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; // All
// headers
for (int i = 0; i < 7; i++) {
mtblCalendar.addColumn(headers[i]);
}
tblCalendar.getParent().setBackground(tblCalendar.getBackground()); // Set
// background
// No resize/reorder
tblCalendar.getTableHeader().setResizingAllowed(false);
tblCalendar.getTableHeader().setReorderingAllowed(false);
// Single cell selection
tblCalendar.setColumnSelectionAllowed(true);
tblCalendar.setRowSelectionAllowed(true);
tblCalendar.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
// Set row/column count
tblCalendar.setRowHeight(38);
mtblCalendar.setColumnCount(7);
mtblCalendar.setRowCount(6);
// Populate table
for (int i = realYear - 100; i <= realYear + 100; i++) {
cmbYear.addItem(String.valueOf(i));
}
// Refresh calendar
refreshCalendar(realMonth, realYear); // Refresh calendar
}
public static void refreshCalendar(int month, int year) {
// Variables
String[] months = { "January", "February", "March", "April", "May",
"June", "July", "August", "September", "October", "November",
"December" };
int nod, som; // Number Of Days, Start Of Month
// Allow/disallow buttons
btnPrev.setEnabled(true);
btnNext.setEnabled(true);
if (month == 0 && year <= realYear - 10) {
btnPrev.setEnabled(false);
} // Too early
if (month == 11 && year >= realYear + 100) {
btnNext.setEnabled(false);
} // Too late
lblMonth.setText(months[month]); // Refresh the month label (at the top)
lblMonth.setBounds(160 - lblMonth.getPreferredSize().width / 2, 25,
180, 25); // Re-align label with calendar
cmbYear.setSelectedItem(String.valueOf(year)); // Select the correct
// year in the combo box
// Clear table
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 7; j++) {
mtblCalendar.setValueAt(null, i, j);
}
}
// Get first day of month and number of days
GregorianCalendar cal = new GregorianCalendar(year, month, 1);
nod = cal.getActualMaximum(GregorianCalendar.DAY_OF_MONTH);
som = cal.get(GregorianCalendar.DAY_OF_WEEK);
// Draw calendar
for (int i = 1; i <= nod; i++) {
int row = new Integer((i + som - 2) / 7);
int column = (i + som - 2) % 7;
mtblCalendar.setValueAt(i, row, column);
}
// Apply renderers
tblCalendar.setDefaultRenderer(tblCalendar.getColumnClass(0),
new tblCalendarRenderer());
}
static class tblCalendarRenderer extends DefaultTableCellRenderer {
public Component getTableCellRendererComponent(JTable table,
Object value, boolean selected, boolean focused, int row,
int column) {
super.getTableCellRendererComponent(table, value, selected,
focused, row, column);
if (column == 0 || column == 6) { // Week-end
setBackground(new Color(255, 220, 220));
} else { // Week
setBackground(new Color(255, 255, 255));
}
if (value != null) {
if (Integer.parseInt(value.toString()) == realDay
&& currentMonth == realMonth && currentYear == realYear) { // Today
setBackground(new Color(220, 220, 255));
}
}
setBorder(null);
setForeground(Color.black);
return this;
}
}
static class btnPrev_Action implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (currentMonth == 0) { // Back one year
currentMonth = 11;
currentYear -= 1;
} else { // Back one month
currentMonth -= 1;
}
refreshCalendar(currentMonth, currentYear);
}
}
static class btnNext_Action implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (currentMonth == 11) { // Foward one year
currentMonth = 0;
currentYear += 1;
} else { // Foward one month
currentMonth += 1;
}
refreshCalendar(currentMonth, currentYear);
}
}
static class cmbYear_Action implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (cmbYear.getSelectedItem() != null) {
String b = cmbYear.getSelectedItem().toString();
currentYear = Integer.parseInt(b);
refreshCalendar(currentMonth, currentYear);
}
}
}
}
任何想法都会有很大帮助。基本上,这里的想法是拥有一个独立的日历,可以添加事件并更改已列出的事件。而且我知道摇摆并不是最常用的解决方案。