Java tutorial
/* * Copyright 2012-2015 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.byteman.chart.swing; import org.jfree.chart.ChartMouseEvent; import org.jfree.chart.ChartMouseListener; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.entity.CategoryItemEntity; import org.jfree.chart.entity.ChartEntity; import javax.swing.*; import static com.redhat.thermostat.byteman.utils.ColorUtils.toColor; /** * Extension for JFreeCharts' chart panel that supports * chart zooming using horizontal mouse drag * * @author akashche * Date: 9/28/15 */ public class ZoomableChartPanel extends ChartPanel { /** * Constructor * * @param chart chart object */ public ZoomableChartPanel(JFreeChart chart) { super(chart, DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_MINIMUM_DRAW_WIDTH, DEFAULT_MINIMUM_DRAW_HEIGHT, DEFAULT_MAXIMUM_DRAW_WIDTH, DEFAULT_MAXIMUM_DRAW_HEIGHT, DEFAULT_BUFFER_USED, false, false, false, false, false, false); this.setDomainZoomable(true); this.setRangeZoomable(false); // this.setZoomOutlinePaint(Color.blue); this.setZoomFillPaint(toColor("#55ff9800")); this.addChartMouseListener(new RightClickListener()); } private class RightClickListener implements ChartMouseListener { @Override public void chartMouseClicked(ChartMouseEvent event) { ChartEntity entity = event.getEntity(); if (entity instanceof CategoryItemEntity) { CategoryItemEntity en = (CategoryItemEntity) entity; // System.out.println(en); // todo JPopupMenu menu = new JPopupMenu(); menu.add(new JLabel("Value: " + en.getRowKey().toString())); menu.show(ZoomableChartPanel.this, event.getTrigger().getX(), event.getTrigger().getY()); } } @Override public void chartMouseMoved(ChartMouseEvent event) { } } }