/*
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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.modules.tracer.impl.timeline;
import com.sun.tools.visualvm.modules.tracer.impl.swing.ColorIcon;
import com.sun.tools.visualvm.modules.tracer.impl.swing.LabelRenderer;
import com.sun.tools.visualvm.modules.tracer.impl.swing.LegendFont;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import org.netbeans.lib.profiler.charts.ChartContext;
import org.netbeans.lib.profiler.charts.ChartOverlay;
import org.netbeans.lib.profiler.charts.swing.Utils;
import org.netbeans.lib.profiler.charts.xy.synchronous.SynchronousXYItemsModel;
/**
*
* @author Jiri Sedlacek
*/
final class TimelineUnitsOverlay extends ChartOverlay {
private final TimelineChart chart;
private final LabelRenderer painter;
private Model model;
TimelineUnitsOverlay(TimelineChart chart) {
this.chart = chart;
painter = new LabelRenderer();
painter.setFont(new LegendFont());
int size = painter.getFont().getSize() - 3;
ColorIcon.setup(size, size,
LegendFont.FOREGROUND_COLOR, LegendFont.BACKGROUND_COLOR);
}
void setupModel(Model model) {
this.model = model;
}
private boolean hasValues() {
return ((SynchronousXYItemsModel)chart.getItemsModel()).getTimeline().
getTimestampsCount() > 0;
}
private void setupPainter(String text, Color color) {
painter.setText(text);
painter.setIcon(color == null ? null : ColorIcon.fromColor(color));
}
public void paint(Graphics g) {
if (model == null || !hasValues()) return;
int w = getWidth();
model.prefetch();
int rowsCount = chart.getRowsCount();
for (int rowIndex = 0; rowIndex < rowsCount; rowIndex++) {
TimelineChart.Row row = chart.getRow(rowIndex);
ChartContext rowContext = row.getContext();
int y = Utils.checkedInt(rowContext.getViewportOffsetY());
int h = rowContext.getViewportHeight();
Color[] colors = model.getColors(row);
int xx = w - 2;
int yy = y;
for (int itemIndex = colors.length - 1; itemIndex >= 0; itemIndex--) {
setupPainter(model.getMaxUnits(row)[itemIndex], colors[itemIndex]);
xx -= painter.getPreferredSize().width;
paint(g, xx, yy);
xx -= 10;
}
xx = w - 2;
yy = -1;
for (int itemIndex = colors.length - 1; itemIndex >= 0; itemIndex--) {
setupPainter(model.getMinUnits(row)[itemIndex], colors[itemIndex]);
Dimension pd = painter.getPreferredSize();
xx -= pd.width;
if (yy == -1) yy = y + h - pd.height - 1;
paint(g, xx, yy);
xx -= 10;
}
}
}
private void paint(Graphics g, int x, int y) {
painter.setLocation(x, y + 1);
painter.setForeground(LegendFont.BACKGROUND_COLOR);
painter.paint(g);
painter.setLocation(x, y);
painter.setForeground(LegendFont.FOREGROUND_COLOR);
if (painter.getIcon() != null)
painter.setIcon(ColorIcon.BOTTOM_SHADOW);
painter.paint(g);
}
// --- Peformance tweaks ---------------------------------------------------
public void invalidate() {}
public void update(Graphics g) {}
// --- Model definition ----------------------------------------------------
static interface Model {
public void prefetch();
public Color[] getColors(TimelineChart.Row row);
public String[] getMinUnits(TimelineChart.Row row);
public String[] getMaxUnits(TimelineChart.Row row);
}
}