Mercurial > hg > release > thermostat-0.15
view thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/timeline/TimelineComponent.java @ 1234:ba8a0e50ddee
Timeline for JMX Notifications
Reviewed-by: jerboaa, neugens
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-August/007919.html
author | Omair Majid <omajid@redhat.com> |
---|---|
date | Wed, 28 Aug 2013 12:03:09 -0400 |
parents | 85cd7afdf70f |
children |
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/* * Copyright 2012, 2013 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat 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 for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.thread.client.swing.impl.timeline; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.GradientPaint; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Paint; import java.awt.Rectangle; import java.beans.Transient; import javax.swing.JScrollPane; import com.redhat.thermostat.client.swing.GraphicsUtils; import com.redhat.thermostat.client.swing.components.GradientPanel; import com.redhat.thermostat.client.swing.components.timeline.TimelineUtils; import com.redhat.thermostat.client.ui.Palette; import com.redhat.thermostat.common.model.LongRangeNormalizer; import com.redhat.thermostat.common.model.Range; import com.redhat.thermostat.thread.client.common.Timeline; import com.redhat.thermostat.thread.client.common.TimelineInfo; @SuppressWarnings("serial") public class TimelineComponent extends GradientPanel { private boolean selected = false; private Timeline timeline; private JScrollPane scrollPane; private Range<Long> range; private long millsUnitIncrement; private int pixelUnitIncrement; public TimelineComponent(Range<Long> range, Timeline timeline, JScrollPane scrollPane) { super(Palette.LIGHT_GRAY.getColor(), Palette.WHITE.getColor()); this.range = range; this.scrollPane = scrollPane; this.timeline = timeline; millsUnitIncrement = 1_000; pixelUnitIncrement = 20; } public void setUnitIncrementInPixels(int increment) { this.pixelUnitIncrement = increment; } public void setUnitIncrementInMillis(long increment) { this.millsUnitIncrement = increment; } public void setSelected(boolean selected) { this.selected = selected; } @Override protected void paintComponent(Graphics g) { Graphics2D graphics = GraphicsUtils.getInstance().createAAGraphics(g); Rectangle bounds = g.getClipBounds(); if (!selected) { super.paintComponent(g); } else { graphics.setColor(Palette.EGYPTIAN_BLUE.getColor()); graphics.fillRect(bounds.x, bounds.y, bounds.width, bounds.height); } int currentValue = scrollPane.getHorizontalScrollBar().getValue(); int totalInc = pixelUnitIncrement; TimelineUtils.drawMarks(graphics, bounds, currentValue, false, totalInc); drawBoldMarks(graphics, currentValue, bounds, totalInc); Color lastColor = drawTimeline(graphics, currentValue, bounds); drawThreadName(graphics, bounds, lastColor); graphics.dispose(); } private void drawThreadName(Graphics2D graphics, Rectangle bounds, Color lastColor) { GraphicsUtils utils = GraphicsUtils.getInstance(); Color up = utils.deriveWithAlpha(Palette.WHITE.getColor(), 200); Color bottom = utils.deriveWithAlpha(Palette.GRAY.getColor(), 200); Paint gradient = new GradientPaint(0, 0, up, 0, getHeight(), bottom); Font font = TimelineUtils.FONT; graphics.setFont(font); graphics.setPaint(gradient); String value = timeline.getName(); int stringWidth = (int) font.getStringBounds(value, graphics.getFontRenderContext()).getWidth() - 1; int stringHeight = (int) font.getStringBounds(value, graphics.getFontRenderContext()).getHeight(); graphics.fillRect(bounds.x + 1, bounds.y + 12, stringWidth + 4, stringHeight + 4); graphics.setColor(Palette.THERMOSTAT_BLU.getColor()); graphics.drawString(value, bounds.x + 1, bounds.y + stringHeight + 12); graphics.setColor(lastColor); graphics.drawLine(bounds.x + 1, bounds.y + 12 + stringHeight + 4, bounds.x + stringWidth + 4, bounds.y + 12 + stringHeight + 4); } private Color drawTimeline(Graphics2D graphics, int currentValue, Rectangle bounds) { if (timeline.size() == 0) { return Palette.GRAY.getColor(); } TimelineInfo[] infos = timeline.toArray(); Color lastColor = infos[infos.length - 1].getColor().getColor(); LongRangeNormalizer normalizer = new LongRangeNormalizer(range, 0, getWidth()); for (int i = 0; i < infos.length - 1; i++) { TimelineInfo info1 = infos[i]; TimelineInfo info2 = infos[i + 1]; int x0 = (int) normalizer.getValueNormalized(info1.getTimeStamp()); int x1 = (int) normalizer.getValueNormalized(info2.getTimeStamp()); graphics.setColor(info1.getColor().getColor()); graphics.fillRect(x0, 5, x1 - x0 + 1, 5); } int x0 = (int) normalizer.getValueNormalized(infos[infos.length - 1].getTimeStamp()); int x1 = (int) normalizer.getValueNormalized(infos[infos.length - 1].getTimeStamp() + 250); graphics.setColor(lastColor); graphics.fillRect(x0, 5, x1 - x0 + 1, 5); return lastColor; } private void drawBoldMarks(Graphics2D graphics, int currentValue, Rectangle bounds, int totalInc) { long round = range.getMin() % (10 * millsUnitIncrement); int shift = (int) (round / millsUnitIncrement) * totalInc; int lowerBound = bounds.x - (4 * totalInc); int x = ((bounds.x - currentValue) - shift); int increment = 0; int height = getHeight(); graphics.setColor(Palette.THERMOSTAT_BLU.getColor()); int upperBound = (bounds.x + bounds.width); for (int i = x; i < upperBound; i += totalInc) { if (increment % 10 == 0 && (i >= lowerBound)) { graphics.drawLine(i, 0, i, height); } increment++; } } public Range<Long> getRange() { return range; } @Override public int getHeight() { return 40; } @Override public int getWidth() { long divisor = millsUnitIncrement / pixelUnitIncrement; long span = range.getMax() - range.getMin(); int width = (int) (span / divisor); return width; } @Override public Dimension getSize() { return getPreferredSize(); } @Override @Transient public Dimension getPreferredSize() { return new Dimension(getWidth(), getHeight()); } }