/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.tools.visualvm.modules.tracer.impl.probes;
import com.sun.tools.visualvm.modules.tracer.TracerProbe;
import com.sun.tools.visualvm.modules.tracer.TracerProbeDescriptor;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.LinearGradientPaint;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.UIManager;
import org.netbeans.lib.profiler.charts.swing.Utils;
/**
*
* @author Jiri Sedlacek
*/
public final class ProbePresenter extends JLabel {
private static final Color SELECTED_FILTER = new Color(0, 0, 200, 40);
private static final float[] FRACTIONS = new float[] { 0.0f, 0.49f, 0.51f, 1.0f };
private static final Color[] COLORS = new Color[] { new Color(250, 251, 252, 120),
new Color(237, 240, 242, 120),
new Color(229, 233, 236, 125),
new Color(215, 221, 226, 130) };
private static final Color BACKGROUND = UIManager.getColor("Panel.background"); // NOI18N
private LinearGradientPaint gradientPaint;
private static final boolean GRADIENT = !Utils.forceSpeed();
private boolean isSelected = false;
public ProbePresenter(TracerProbe p, TracerProbeDescriptor d) {
super(d.getProbeName(), d.getProbeIcon(), JLabel.LEADING);
// --- ToolTips support
// Note: cannot use setToolTipText here, breaks mouseListener on parent
// setToolTipText(d.getProbeDescription());
// Let's store the tooltip in client property and resolve it from parent
putClientProperty("ToolTipHelper", d.getProbeDescription()); // NOI18N
// ---
setIconTextGap(7);
setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createMatteBorder(0, 1, 1, 1, Color.LIGHT_GRAY),
BorderFactory.createEmptyBorder(5, 10, 5, 10)
));
}
public void setSelected(boolean selected) {
if (isSelected == selected) return;
isSelected = selected;
repaint();
}
public boolean isSelected() {
return isSelected;
}
public void reshape(int x, int y, int w, int h) {
if (GRADIENT) gradientPaint = new LinearGradientPaint(0, 0, 0, h - 1,
FRACTIONS, COLORS);
super.reshape(x, y, w, h);
}
protected void paintComponent(Graphics g) {
int y = getHeight() - 1;
((Graphics2D)g).setPaint(GRADIENT ? gradientPaint : BACKGROUND);
g.fillRect(0, 0, getWidth(), y);
if (isSelected) {
g.setColor(SELECTED_FILTER);
g.fillRect(0, 0, getWidth(), y);
}
super.paintComponent(g);
}
}