AppRenderer.java :  » Code-Analyzer » JBlanket » csdl » jblanket » app » Java Open Source

package csdl.jblanket.app;

import csdl.jblanket.app.tree.MethodNode;

import java.awt.Color;
import java.awt.Component;
import java.awt.Font;

import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;

/**
 * Provides the renderer used by the application.  All non-method nodes are black and the colors of
 * the method nodes are determined by their categories.
 * (See <a href="MethodCategoryColor.html">MethodCategoryColor</a>)
 * 
 * @author Joy M. Agustin
 * @version $Id: AppRenderer.java,v 1.1 2004/11/07 00:32:41 timshadel Exp $
 */
public class AppRenderer extends DefaultTreeCellRenderer {
    
  /**
   * Constructs a new AppRenderer.
   */
  public AppRenderer() {
    super();
  }
    
  /**
   * Configures the renderer based on the passed in components.
   * <p>
   * This method overrides the method in the parent class.  Due to incomplete comments in the
   * parent class, some parameters are unknown.
   * 
   * @param tree the tree <code>value</code> belongs to.
   * @param value the in the tree being processed.
   * @param sel unknown.
   * @param expanded unknown.
   * @param leaf describes whether <code>value</code> is a leaf node.
   * @param row the row number of <code>value</code>, starts at 0.
   * @param hasFocus unknown.
   * @return the <code>Component</code> that the renderer uses to draw the value.
   */
  public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel,
                                                boolean expanded, boolean leaf, int row,
                                                boolean hasFocus) {

    super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
    
    // Need to check font for rendering
    Font font = getFont();
    
    if (leaf) {
      MethodNode node = (MethodNode) ((DefaultMutableTreeNode) value).getUserObject();

      // set up for method category
      setForeground(node.getNewColor());
      
      // tried removing bold from Font outside if-else and set bold here, but didn't work?
      if (node.isTested() && !font.isBold()) {
        setFont(new Font(font.getFontName(), font.getStyle() + Font.BOLD, font.getSize()));
      }
      else if (!node.isTested() && font.isBold()) {
        setFont(new Font(font.getFontName(), font.getStyle() - Font.BOLD, font.getSize())); 
      }
    }
    else {
      setForeground(Color.BLACK);
      if (font.isBold()) {
        setFont(new Font(font.getFontName(), font.getStyle() - Font.BOLD, font.getSize()));
      }
    }
    return this;
  }
}