editor.FileTreeCellRenderer Maven / Gradle / Ivy

Go to download
package editor;

import editor.util.EditorUtilities;
import gw.lang.reflect.IType;
import gw.lang.reflect.TypeSystem;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.tree.TreeCellRenderer;
import java.awt.*;

/**
 */
public class FileTreeCellRenderer extends JLabel implements TreeCellRenderer
{
  private boolean _bSelected;
  private FileTree _node;
  private JTree _tree;

  public FileTreeCellRenderer( JTree tree )
  {
    _tree = tree;
  }

  public Component getTreeCellRendererComponent( JTree tree, Object value,
                                                 boolean bSelected, boolean bExpanded,
                                                 boolean bLeaf, int iRow, boolean bHasFocus )
  {
    if( value != null )
    {
      _node = (FileTree)value;
      _bSelected = bSelected;
      configure();
    }

    return this;
  }

  public void update()
  {
    _tree.repaint();
  }

  public void configure()
  {
    if( _node == null )
    {
      return;
    }

    setBorder( new EmptyBorder( 0, 3, 0, 3 ) );

    TypeSystem.lock();
    try
    {
      if( _node.isDirectory() || !_node.isFile() && _node.getFileOrDir().getName().indexOf( '.' ) < 0 )
      {
        setText( _node.getName() );
      }
      else
      {
        IType type = _node.getType();
        setText( type == null ? _node.getName() : type.getRelativeName() );
      }
      setIcon( _node.getIcon() );
    }
    catch( Throwable t )
    {
      t.printStackTrace();
    }
    finally
    {
      TypeSystem.unlock();
    }
  }

  /** */
  public void paint( Graphics g )
  {
//    ((Graphics2D)g).setRenderingHint( RenderingHints.KEY_TEXT_ANTIALIASING,
//                                      RenderingHints.VALUE_TEXT_ANTIALIAS_ON );
//    ((Graphics2D)g).setRenderingHint( RenderingHints.KEY_RENDERING,
//                                      RenderingHints.VALUE_RENDER_QUALITY );
    Color bkColor;

    boolean bFocus = KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner() == _tree;
    if( _bSelected )
    {
      bkColor = _tree.isEnabled() && bFocus
                ? EditorUtilities.ACTIVE_CAPTION
                : EditorUtilities.CONTROL;
    }
    else
    {
      bkColor = _tree.getBackground();
      if( bkColor == null )
      {
        bkColor = getBackground();
      }
    }

    if( bkColor != null )
    {
      g.setColor( bkColor );
      g.fillRect( 0, 0, getWidth() - 1, getHeight() - 1 );

      if( _bSelected )
      {
        g.setColor( _tree.isEnabled() && bFocus ? EditorUtilities.XP_BORDER_COLOR : EditorUtilities.CONTROL_SHADOW );
        g.drawRect( 0, 0, getWidth() - 1, getHeight() - 1 );
      }
      g.setColor( bkColor );
    }

    setForeground( EditorUtilities.CONTROL_TEXT );

    super.paint( g );
  }

  public Dimension getPreferredSize()
  {
    Dimension dim = super.getPreferredSize();

    if( dim != null )
    {
      dim = new Dimension( dim.width + 3, dim.height );
    }

    return dim;
  }
}