001package org.jdesktop.swingx.renderer; 002 003import java.awt.LayoutManager; 004import java.awt.Rectangle; 005 006import javax.swing.JPanel; 007 008/** 009 * An implementation of JPanel used for rendering. It overrides methods for performance reasons. 010 * 011 * @author kschaefer 012 */ 013public class JRendererPanel extends JPanel { 014 public JRendererPanel() { 015 super(); 016 } 017 018 /** 019 * @param layout 020 */ 021 public JRendererPanel(LayoutManager layout) { 022 super(layout); 023 } 024 025 /** 026 * {@inheritDoc} <p> 027 * 028 * Overridden to not automatically de/register itself from/to the ToolTipManager. 029 * As rendering component it is not considered to be active in any way, so the 030 * manager must not listen. 031 */ 032 @Override 033 public void setToolTipText(String text) { 034 putClientProperty(TOOL_TIP_TEXT_KEY, text); 035 } 036 037 /** 038 * Overridden for performance reasons. 039 * See the <a href="#override">Implementation Note</a> 040 * for more information. 041 */ 042 @Override 043 public void revalidate() {} 044 045 /** 046 * Overridden for performance reasons. 047 * See the <a href="#override">Implementation Note</a> 048 * for more information. 049 */ 050 @Override 051 public void repaint(long tm, int x, int y, int width, int height) {} 052 053 /** 054 * Overridden for performance reasons. 055 * See the <a href="#override">Implementation Note</a> 056 * for more information. 057 */ 058 @Override 059 public void repaint(Rectangle r) { } 060 061 /** 062 * Overridden for performance reasons. 063 * See the <a href="#override">Implementation Note</a> 064 * for more information. 065 * 066 * @since 1.5 067 */ 068 @Override 069 public void repaint() { 070 } 071 072 /** 073 * Overridden for performance reasons. 074 * See the <a href="#override">Implementation Note</a> 075 * for more information. 076 */ 077 @Override 078 protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) { } 079 080 /** 081 * Overridden for performance reasons. 082 * See the <a href="#override">Implementation Note</a> 083 * for more information. 084 */ 085 @Override 086 public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) { } 087}