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* 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.charts.xy;
import org.netbeans.lib.profiler.charts.ChartComponent;
import org.netbeans.lib.profiler.charts.ChartOverlay;
import org.netbeans.lib.profiler.charts.ChartSelectionListener;
import org.netbeans.lib.profiler.charts.ItemSelection;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Stroke;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.swing.SwingUtilities;
import org.netbeans.lib.profiler.charts.ChartConfigurationListener;
import org.netbeans.lib.profiler.charts.ChartContext;
import org.netbeans.lib.profiler.charts.swing.Utils;
import org.netbeans.lib.profiler.charts.xy.XYItemSelection;
/**
*
* @author Jiri Sedlacek
*/
public class XYSelectionOverlay extends ChartOverlay {
private ChartComponent chart;
private int selectionExtent;
private final ConfigurationListener configurationListener;
private final SelectionListener selectionListener;
private final Set<Point> selectedValues;
private Paint markPaint;
private Paint oddPerfPaint;
private Paint evenPerfPaint;
private Stroke markStroke;
private Stroke oddPerfStroke;
private Stroke evenPerfStroke;
public XYSelectionOverlay() {
configurationListener = new ConfigurationListener();
selectionListener = new SelectionListener();
selectedValues = new HashSet();
initDefaultValues();
}
// --- Public API ----------------------------------------------------------
public final void registerChart(ChartComponent chart) {
unregisterListener();
this.chart = chart;
registerListener();
}
public final void unregisterChart(ChartComponent chart) {
unregisterListener();
this.chart = null;
}
// --- Private implementation ----------------------------------------------
private void registerListener() {
if (chart == null) return;
chart.addConfigurationListener(configurationListener);
chart.getSelectionModel().addSelectionListener(selectionListener);
}
private void unregisterListener() {
if (chart == null) return;
chart.removeConfigurationListener(configurationListener);
chart.getSelectionModel().removeSelectionListener(selectionListener);
}
private void initDefaultValues() {
markPaint = new Color(80, 80, 80);
oddPerfPaint = Color.BLACK;
evenPerfPaint = Color.WHITE;
markStroke = new BasicStroke(2.8f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
oddPerfStroke = new BasicStroke(1f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL, 0, new float[] { 1.0f, 3.0f }, 0);
evenPerfStroke = new BasicStroke(1f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL, 0, new float[] { 1.0f, 3.0f }, 2);
selectionExtent = 3;
}
public void paint(Graphics g) {
if (selectedValues.isEmpty()) return;
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHints(chart.getRenderingHints());
Iterator<Point> it = selectedValues.iterator();
boolean linePainted = false;
while (it.hasNext()) {
Point p = it.next();
if (!linePainted) {
g2.setPaint(evenPerfPaint);
g2.setStroke(evenPerfStroke);
g2.drawLine(p.x, 0, p.x, getHeight());
g2.setPaint(oddPerfPaint);
g2.setStroke(oddPerfStroke);
g2.drawLine(p.x, 0, p.x, getHeight());
g2.setPaint(markPaint);
g2.setStroke(markStroke);
linePainted = true;
}
g2.fillOval(p.x - selectionExtent + 1, p.y - selectionExtent + 1,
selectionExtent * 2 - 1, selectionExtent * 2 - 1);
}
}
private void vLineBoundsChanged(Set<Point> oldSelection, Set<Point> newSelection) {
Point oldSel = oldSelection.isEmpty() ? null : oldSelection.iterator().next();
Point newSel = newSelection.isEmpty() ? null : newSelection.iterator().next();
if (oldSel != null) repaint(oldSel.x - selectionExtent, 0,
selectionExtent * 2, getHeight());
if (newSel != null) repaint(newSel.x - selectionExtent, 0,
selectionExtent * 2, getHeight());
}
private static void updateSelectedValues(Set<Point> selectedValues,
List<ItemSelection> selectedItems,
ChartContext context) {
selectedValues.clear();
for (ItemSelection sel : selectedItems) {
XYItemSelection xySel = (XYItemSelection)sel;
long xValue = xySel.getItem().getXValue(xySel.getValueIndex());
long yValue = xySel.getItem().getYValue(xySel.getValueIndex());
selectedValues.add(new Point(Utils.checkedInt(Math.ceil(context.getViewX(xValue))),
Utils.checkedInt(Math.ceil(context.getViewY(yValue)))));
}
}
private class ConfigurationListener extends ChartConfigurationListener.Adapter {
public void contentsUpdated(long offsetX, long offsetY,
double scaleX, double scaleY,
long lastOffsetX, long lastOffsetY,
double lastScaleX, double lastScaleY,
int shiftX, int shiftY) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
Set<Point> oldSelectedValues = new HashSet(selectedValues);
updateSelectedValues(selectedValues, chart.getSelectionModel().getHighlightedItems(), chart.getChartContext());
vLineBoundsChanged(oldSelectedValues, selectedValues);
}
});
}
}
private class SelectionListener implements ChartSelectionListener {
public void selectionModeChanged(int newMode, int oldMode) {}
public void selectionBoundsChanged(Rectangle newBounds, Rectangle oldBounds) {}
public void selectedItemsChanged(List<ItemSelection> currentItems,
List<ItemSelection> addedItems, List<ItemSelection> removedItems) {}
public void highlightedItemsChanged(List<ItemSelection> currentItems,
List<ItemSelection> addedItems, List<ItemSelection> removedItems) {
Set<Point> oldSelectedValues = new HashSet(selectedValues);
updateSelectedValues(selectedValues, currentItems, chart.getChartContext());
vLineBoundsChanged(oldSelectedValues, selectedValues);
}
}
}