FileDocCategorySizeDatePackage
CategoryNodeRenderer.javaAPI DocApache log4j 1.2.155075Sat Aug 25 00:09:38 BST 2007org.apache.log4j.lf5.viewer.categoryexplorer

CategoryNodeRenderer

public class CategoryNodeRenderer extends DefaultTreeCellRenderer
CategoryNodeRenderer
author
Michael J. Sikorsky
author
Robert Shaw

(Omit source code)

Fields Summary
private static final long
serialVersionUID
public static final Color
FATAL_CHILDREN
protected JCheckBox
_checkBox
protected JPanel
_panel
protected static ImageIcon
_sat
Constructors Summary
public CategoryNodeRenderer()

//   protected JLabel              _label  = new JLabel();

  //--------------------------------------------------------------------------
  //   Private Variables:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  //   Constructors:
  //--------------------------------------------------------------------------
    
    _panel.setBackground(UIManager.getColor("Tree.textBackground"));

    if (_sat == null) {
      // Load the satellite image.
      String resource =
          "/org/apache/log4j/lf5/viewer/images/channelexplorer_satellite.gif";
      URL satURL = getClass().getResource(resource);

      _sat = new ImageIcon(satURL);
    }

    setOpaque(false);
    _checkBox.setOpaque(false);
    _panel.setOpaque(false);

    // The flowlayout set to LEFT is very important so that the editor
    // doesn't jump around.
    _panel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
    _panel.add(_checkBox);
    _panel.add(this);

    setOpenIcon(_sat);
    setClosedIcon(_sat);
    setLeafIcon(_sat);
Methods Summary
protected java.lang.StringbuildToolTip(org.apache.log4j.lf5.viewer.categoryexplorer.CategoryNode node)

    StringBuffer result = new StringBuffer();
    result.append(node.getTitle()).append(" contains a total of ");
    result.append(node.getTotalNumberOfRecords());
    result.append(" LogRecords.");
    result.append(" Right-click for more info.");
    return result.toString();
public java.awt.DimensiongetCheckBoxOffset()

    return new Dimension(0, 0);
public java.awt.ComponentgetTreeCellRendererComponent(javax.swing.JTree tree, java.lang.Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus)


    CategoryNode node = (CategoryNode) value;
    //FileNode node = (FileNode)value;
    //String s = tree.convertValueToText(value, selected,
    //						   expanded, leaf, row, hasFocus);

    super.getTreeCellRendererComponent(
        tree, value, selected, expanded,
        leaf, row, hasFocus);

    if (row == 0) {
      // Root row -- no check box
      _checkBox.setVisible(false);
    } else {
      _checkBox.setVisible(true);
      _checkBox.setSelected(node.isSelected());
    }
    String toolTip = buildToolTip(node);
    _panel.setToolTipText(toolTip);
    if (node.hasFatalChildren()) {
      this.setForeground(FATAL_CHILDREN);
    }
    if (node.hasFatalRecords()) {
      this.setForeground(Color.red);
    }

    return _panel;