A table cell renderer that formats integers.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@1430 6335cc39-0255-0410-8fd6-9bcaacd3b74c
2004-05-13 21:58:07 +00:00
parent 9c272fbe11
commit 92e145286e
1 changed files with 43 additions and 0 deletions
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+//
+// $Id: IntegerTableCellRenderer.java,v 1.1 2004/05/13 21:58:07 ray Exp $
+
+package com.samskivert.swing;
+
+import java.text.NumberFormat;
+
+import javax.swing.JTable;
+import javax.swing.table.DefaultTableCellRenderer;
+
+/**
+ * A table cell renderer that that formats integers according to the
+ * locale's desires.
+ */
+public class IntegerTableCellRenderer extends DefaultTableCellRenderer
+{
+    public IntegerTableCellRenderer ()
+    {
+        setHorizontalAlignment(RIGHT);
+    }
+
+    // documentation inherited
+    protected void setValue (Object value)
+    {
+        if (value instanceof Integer) {
+            value = _nfi.format(((Integer) value).intValue());
+        } else if (value instanceof Long) {
+            value = _nfi.format(((Long) value).longValue());
+        }
+        super.setValue(value);
+    }
+
+    // our number formatter
+    protected NumberFormat _nfi = NumberFormat.getIntegerInstance();
+
+    /**
+     * A convenience method for installing this renderer.
+     */
+    public static void install (JTable table)
+    {
+        table.setDefaultRenderer(Number.class, new IntegerTableCellRenderer());
+    }
+}