new renderer for the history dates panel, that renders Date objects

src/net/java/sip/communicator/impl/gui/main/message/history/DatesListRenderer.java

@@ -0,0 +1,88 @@
+/*
+ * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package net.java.sip.communicator.impl.gui.main.message.history;
+
+import java.awt.*;
+import java.util.*;
+
+import javax.swing.*;
+
+import net.java.sip.communicator.impl.gui.utils.*;
+
+public class DatesListRenderer
+    extends JPanel
+    implements ListCellRenderer
+{
+    private JLabel label = new JLabel();
+    private boolean isSelected;
+    
+    private Calendar calendar = Calendar.getInstance();
+    
+    public DatesListRenderer()
+    {
+        super(new BorderLayout());
+        
+        this.add(label);
+    }
+    
+    public Component getListCellRendererComponent(JList list, Object value,
+            int index, boolean isSelected, boolean cellHasFocus)
+    {
+        Date dateValue = (Date) value;
+        
+        calendar.setTime(dateValue);
+        String text = this.processTime(calendar.get(Calendar.DAY_OF_MONTH)) + "/"
+        + this.processTime(calendar.get(Calendar.MONTH) + 1) + "/"
+        + this.processTime(calendar.get(Calendar.YEAR));
+        
+        this.label.setText(text);
+        this.isSelected = isSelected;
+        
+        return this;
+    }
+
+    /**
+     * Formats a time string.
+     *
+     * @param time The time parameter could be hours, minutes or seconds.
+     * @return The formatted minutes string.
+     */
+    private String processTime(int time) {
+
+        String timeString = new Integer(time).toString();
+
+        String resultString = "";
+        if (timeString.length() < 2)
+            resultString = resultString.concat("0").concat(timeString);
+        else
+            resultString = timeString;
+
+        return resultString;
+    }
+    
+    /**
+     * Paint a round background for all selected cells.
+     */
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        Graphics2D g2 = (Graphics2D) g;
+
+        AntialiasingManager.activateAntialiasing(g2);
+        
+        if (this.isSelected) {
+
+            g2.setColor(Constants.SELECTED_END_COLOR);
+            g2.fillRoundRect(0, 0, this.getWidth(), this.getHeight(), 7, 7);
+
+            g2.setColor(Constants.BLUE_GRAY_BORDER_DARKER_COLOR);
+            g2.setStroke(new BasicStroke(1.5f));
+            g2.drawRoundRect(0, 0, this.getWidth() - 1, this.getHeight() - 1,
+                    7, 7);
+        }
+    }   
+}