Mercurial > hg > release > thermostat-1.2
view thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/timeline/RulerComponent.java @ 1623:b1306c7c7422
Thread monitor improvements part I
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-December/012136.html
reviewed-by: omajid, jkang
author | Mario Torre <neugens.limasoftware@gmail.com> |
---|---|
date | Thu, 11 Dec 2014 11:44:42 +0100 |
parents | |
children | c6ae78b6f3ac |
line wrap: on
line source
/* * Copyright 2012-2014 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 com.redhat.thermostat.client.swing.GraphicsUtils; import com.redhat.thermostat.client.swing.UIDefaults; import com.redhat.thermostat.client.ui.Palette; import com.redhat.thermostat.thread.client.swing.experimental.components.DataPane; import com.redhat.thermostat.thread.client.swing.impl.timeline.model.TimelineModel; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Rectangle; /** * */ public class RulerComponent extends DataPane { protected class RenderingInfo { long startRendering; long stopRendering; long startMark; long increment; } protected final UIDefaults uiDefaults; protected TimelineModel model; private boolean selected; public RulerComponent(UIDefaults defaults, TimelineModel model) { super(Palette.LIGHT_GRAY, Palette.WHITE); this.uiDefaults = defaults; this.model = model; setFont(defaults.getDefaultFont().deriveFont(Font.PLAIN, 10.f)); setName("ruler"); } public boolean isSelected() { return selected; } public void setSelected(boolean selected) { this.selected = selected; } @Override public Dimension getPreferredSize() { Dimension pref = super.getPreferredSize(); pref.height = getHeight(); return pref; } @Override public Dimension getMinimumSize() { return getPreferredSize(); } @Override public Dimension getSize() { return getPreferredSize(); } private RenderingInfo getRenderingInfo(Rectangle bounds) { RenderingInfo info = new RenderingInfo(); info.stopRendering = bounds.x + bounds.width; info.increment = 10; long start = model.getRange().getMin(); long visibleStartTime = start + model.getScrollBarModel().getValue(); // small mark, 1 second boundary long mark = visibleStartTime - (1_000 * (visibleStartTime/1_000)); info.startRendering = -mark; return info; } @Override protected void paintComponent(Graphics g) { Graphics2D graphics = GraphicsUtils.getInstance().createAAGraphics(g); Rectangle bounds = graphics.getClipBounds(); if (!isSelected()) { super.paintComponent(g); } else { graphics.setPaint(uiDefaults.getSelectedComponentBGColor()); graphics.fillRect(bounds.x, bounds.y, bounds.width, bounds.height); } Color lines = Palette.PALE_GRAY.getColor(); Color tickLines = Palette.DARK_GRAY.getColor(); RenderingInfo info = getRenderingInfo(bounds); int height = bounds.y + bounds.height; boolean resetColor = false; long mark = 10l; graphics.setColor(lines); for (int i = (int) info.startRendering, j = (int) info.startMark; i < info.stopRendering; i += info.increment, j++) { if (j % mark == 0) { graphics.setColor(tickLines); resetColor = true; } graphics.drawLine(i, bounds.y, i, height); if (resetColor) { graphics.setColor(lines); resetColor = false; } } // TODO // if (drawLabels) { // drawLabels(graphics, info); // } graphics.dispose(); } }