KaranPatelDev · KaranPatelDev · Oct 21, 2023
diff --git a/calender/Calendar$1.class b/calender/Calendar$1.class
diff --git a/calender/Calendar$btnNext_Action.class b/calender/Calendar$btnNext_Action.class
diff --git a/calender/Calendar$btnPrev_Action.class b/calender/Calendar$btnPrev_Action.class
diff --git a/calender/Calendar$cmbYear_Action.class b/calender/Calendar$cmbYear_Action.class
diff --git a/calender/Calendar$tblCalendarRenderer.class b/calender/Calendar$tblCalendarRenderer.class
diff --git a/calender/Calendar.class b/calender/Calendar.class
diff --git a/calender/Calendar.java b/calender/Calendar.java
@@ -0,0 +1,217 @@
+import javax.swing.*;
+import javax.swing.event.*;
+import javax.swing.table.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+
+public class Calendar{
+    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("Gestionnaire de clients"); // Create frame
+        frmMain.setSize(330, 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("&lt;&lt;");
+        btnNext = new JButton("&gt;&gt;");
+        mtblCalendar = new DefaultTableModel() {
+            public boolean isCellEditable(int rowIndex, int mColIndex) {
+                return false;
+            }
+        };
+        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);
+            }
+        }
+    }
+}