Mercurial > hg > release > thermostat-1.2
view thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/timeline/TimelineViewComponent.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> |
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date | Thu, 11 Dec 2014 11:44:42 +0100 |
parents | |
children | 421d652d113d |
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/* * 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.UIDefaults; import com.redhat.thermostat.client.swing.components.ThermostatScrollBar; import com.redhat.thermostat.client.swing.components.ThermostatScrollPane; import com.redhat.thermostat.common.model.Range; import com.redhat.thermostat.thread.client.swing.experimental.components.ContentPane; import com.redhat.thermostat.thread.client.swing.impl.timeline.model.RangeChangeEvent; import com.redhat.thermostat.thread.client.swing.impl.timeline.model.RangeChangeListener; import com.redhat.thermostat.thread.client.swing.impl.timeline.model.RatioChangeEvent; import com.redhat.thermostat.thread.client.swing.impl.timeline.model.RatioChangeListener; import com.redhat.thermostat.thread.client.swing.impl.timeline.model.TimelineModel; import java.awt.BorderLayout; import java.awt.Rectangle; /** * */ public class TimelineViewComponent extends ContentPane { private TimelineModel model; private ThermostatScrollPane scrollPane; private TimelineViewport viewport; private ThermostatScrollBar scrollBar; private UIDefaults uiDefaults; public TimelineViewComponent(UIDefaults uiDefaults) { this.uiDefaults = uiDefaults; } public void initComponents() { this.model = new TimelineModel(); viewport = new TimelineViewport(); scrollPane = new ThermostatScrollPane(viewport); scrollPane.setVerticalScrollBarPolicy(ThermostatScrollPane.VERTICAL_SCROLLBAR_ALWAYS); scrollPane.setHorizontalScrollBarPolicy(ThermostatScrollPane.HORIZONTAL_SCROLLBAR_NEVER); RangeComponentHeader header = new RangeComponentHeader(model, uiDefaults); header.initComponents(); scrollPane.setColumnHeaderView(header); add(scrollPane, BorderLayout.CENTER); scrollBar = new ThermostatScrollBar(ThermostatScrollBar.HORIZONTAL); model.setScrollBarModel(scrollBar.getModel()); scrollBar.addAdjustmentListener(new TimelineAdjustmentListener(model)); add(scrollBar, BorderLayout.SOUTH); scrollBar.setEnabled(false); scrollBar.setVisible(false); model.addRatioChangeListener(new RatioChangeListener() { @Override public void ratioChanged(RatioChangeEvent event) { checkEnableScrollbar(); } }); model.addRangeChangeListener(new RangeChangeListener() { @Override public void rangeChanged(RangeChangeEvent event) { checkEnableScrollbar(); } }); } private void checkEnableScrollbar() { Range<Long> range = model.getRange(); Rectangle bounds = getBounds(); long length = bounds.x + bounds.width; length = Math.round(length / model.getMagnificationRatio()); long lengthInMs = range.getMax() - range.getMin(); lengthInMs = Math.round(lengthInMs / model.getMagnificationRatio()); boolean shouldEnable = (length < lengthInMs); scrollBar.setVisible(shouldEnable); scrollBar.setEnabled(shouldEnable); } public void addTimeline(TimelineComponent timeline) { viewport.add(timeline); checkEnableScrollbar(); timeline. revalidate(); repaint(); } public TimelineModel getModel() { return model; } }