Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ro.nextreports.designer.action.chart; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.KeyEvent; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.sql.Connection; import java.sql.SQLException; import java.util.List; import javax.imageio.ImageIO; import javax.swing.*; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import ro.nextreports.designer.Globals; import ro.nextreports.designer.chart.ChartUtil; import ro.nextreports.designer.chart.ChartWebServer; import ro.nextreports.designer.datasource.DataSource; import ro.nextreports.designer.i18n.action.I18nManager; import ro.nextreports.designer.querybuilder.ParameterManager; import ro.nextreports.designer.util.FileUtil; import ro.nextreports.designer.util.I18NSupport; import ro.nextreports.designer.util.ImageUtil; import ro.nextreports.designer.util.NextReportsUtil; import ro.nextreports.designer.util.Show; import ro.nextreports.designer.util.UIActivator; import ro.nextreports.engine.EngineProperties; import ro.nextreports.engine.querybuilder.sql.dialect.CSVDialect; import ro.nextreports.engine.queryexec.QueryParameter; import ro.nextreports.engine.chart.Chart; import ro.nextreports.engine.chart.ChartRunner; import ro.nextreports.engine.chart.ChartType; import ro.nextreports.engine.exporter.exception.NoDataFoundException; import ro.nextreports.engine.exporter.util.ParametersBean; import ro.nextreports.engine.i18n.I18nLanguage; import ro.nextreports.engine.i18n.I18nUtil; /** * User: mihai.panaitescu * Date: 18-Dec-2009 * Time: 16:42:54 */ // open-flash-chart.swf from zip chart-webroot.zip is the downloaded from here : // http://ofc2dz.com/OFC2/downloads/ofc2Downloads.html version OFC2Patches-DZ-Ichor.zip // The other patched version OFC2Patches-DZ-Hyperion.zip shows horizontal bar (with more Y columns) // as a stack instead more bars one besides other // // JOFC Patch 2 -> 23.09.2011 // - delay & cascade for AnimatedElement.OnShow // - String 'area' for constructor AreaLineChart (instead of 'area_line') public class PreviewChartAction extends AbstractAction { private static final Log LOG = LogFactory.getLog(PreviewChartAction.class); private Chart chart; private Thread executorThread; private boolean loaded; private List<QueryParameter> oldParameters; private boolean stop = false; private String chartRunnerType; private byte chartGraphicType; private boolean supported = true; public PreviewChartAction(String chartRunnerType, byte chartGraphicType) { String image = "chart_preview_flash"; if (ChartRunner.IMAGE_FORMAT.equals(chartRunnerType)) { image = "chart_preview_image"; } else if (ChartRunner.HTML5_TYPE == chartGraphicType) { image = "chart_preview_html5"; } Icon icon = ImageUtil.getImageIcon(image); putValue(Action.SMALL_ICON, icon); String descKey = "preview.chart.flash"; if (ChartRunner.IMAGE_FORMAT.equals(chartRunnerType)) { descKey = "preview.chart.image"; } else if (ChartRunner.HTML5_TYPE == chartGraphicType) { descKey = "preview.chart.html5"; } putValue(Action.SHORT_DESCRIPTION, I18NSupport.getString(descKey)); putValue(Action.LONG_DESCRIPTION, I18NSupport.getString(descKey)); this.chartRunnerType = chartRunnerType; this.chartGraphicType = chartGraphicType; loaded = true; } // called from Tree (chart not loaded in designer) public PreviewChartAction(String chartRunnerType, byte chartGraphicType, String name) { this(chartRunnerType, chartGraphicType); putValue(Action.NAME, name); loaded = false; } public void setChart(Chart chart) { if (ChartType.hasNoFlashSupport(chart.getType().getType())) { supported = false; } this.chart = chart; if (!loaded) { oldParameters = ParameterManager.getInstance().getParameters(); ParameterManager.getInstance().setParameters(chart.getReport().getParameters()); } I18nManager.getInstance().setKeys(chart.getI18nkeys()); I18nManager.getInstance().setLanguages(chart.getLanguages()); } public boolean isSupported() { return supported; } public void actionPerformed(ActionEvent event) { executorThread = new Thread(new Runnable() { public void run() { if (ChartUtil.chartUndefined(chart)) { return; } ParametersBean pBean = NextReportsUtil.selectParameters(chart.getReport(), null); if (pBean == null) { return; } UIActivator activator = new UIActivator(Globals.getMainFrame(), I18NSupport.getString("preview.chart.execute")); activator.start(new PreviewStopAction()); ChartWebServer webServer = ChartWebServer.getInstance(); String webRoot = webServer.getWebRoot(); ChartRunner runner = new ChartRunner(); runner.setFormat(chartRunnerType); runner.setGraphicType(chartGraphicType); runner.setChart(chart); runner.setQueryTimeout(Globals.getQueryTimeout()); runner.setParameterValues(pBean.getParamValues()); I18nLanguage language = I18nUtil.getDefaultLanguage(chart); if (language != null) { runner.setLanguage(language.getName()); } if (ChartRunner.IMAGE_FORMAT.equals(runner.getFormat())) { runner.setImagePath(Globals.USER_DATA_DIR + "/reports"); } Connection con = null; try { DataSource runDS = Globals.getChartLayoutPanel().getRunDataSource(); boolean csv = runDS.getDriver().equals(CSVDialect.DRIVER_CLASS); con = Globals.createTempConnection(runDS); runner.setConnection(con, csv); if (ChartRunner.IMAGE_FORMAT.equals(runner.getFormat())) { runner.run(); JDialog dialog = new JDialog(Globals.getMainFrame(), ""); dialog.setBackground(Color.WHITE); dialog.setLayout(new BorderLayout()); ShowImagePanel panel = new ShowImagePanel(runner.getChartImageAbsolutePath()); dialog.add(panel, BorderLayout.CENTER); dialog.pack(); dialog.setResizable(false); Show.centrateComponent(Globals.getMainFrame(), dialog); dialog.setVisible(true); } else { String jsonFile = "data.json"; if (ChartRunner.HTML5_TYPE == runner.getGraphicType()) { jsonFile = "data-html5.json"; } OutputStream outputStream = new FileOutputStream(webRoot + File.separatorChar + jsonFile); boolean result = runner.run(outputStream); outputStream.close(); if (result) { if (!webServer.isStarted()) { webServer.start(); } if (ChartRunner.HTML5_TYPE == runner.getGraphicType()) { FileUtil.openUrl( "http://localhost:" + Globals.getChartWebServerPort() + "/chart-html5.html", PreviewChartAction.class); } else { FileUtil.openUrl("http://localhost:" + Globals.getChartWebServerPort() + "/chart.html?ofc=data.json", PreviewChartAction.class); } } } } catch (NoDataFoundException e) { Show.info(I18NSupport.getString("run.nodata")); } catch (InterruptedException e) { Show.dispose(); // close a possible previous dialog message Show.info(I18NSupport.getString("preview.cancel")); } catch (Exception e) { e.printStackTrace(); Show.error(e); } finally { if (con != null) { try { con.close(); } catch (SQLException e) { e.printStackTrace(); LOG.error(e.getMessage(), e); } } stop = false; if (activator != null) { activator.stop(); activator = null; } // restore old parameters if chart was runned from tree if (oldParameters != null) { ParameterManager.getInstance().setParameters(oldParameters); } } } }, "NEXT : " + getClass().getSimpleName()); executorThread.setPriority(EngineProperties.getRunPriority()); executorThread.start(); } private class PreviewStopAction extends AbstractAction { public PreviewStopAction() { super(); putValue(Action.NAME, I18NSupport.getString("preview.stop.action.name")); putValue(Action.SMALL_ICON, ImageUtil.getImageIcon("stop_execution")); putValue(Action.SHORT_DESCRIPTION, I18NSupport.getString("preview.stop.action.desc")); putValue(Action.LONG_DESCRIPTION, I18NSupport.getString("preview.stop.action.desc")); putValue(Action.MNEMONIC_KEY, new Integer('S')); putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_S, KeyEvent.CTRL_DOWN_MASK)); } public void actionPerformed(ActionEvent e) { if (stop) { Show.disposableInfo(I18NSupport.getString("stop.wait.second")); return; } else { Show.disposableInfo(I18NSupport.getString("stop.wait")); } if (executorThread != null) { stop = true; executorThread.interrupt(); } } } public class ShowImagePanel extends JPanel { private BufferedImage image; public ShowImagePanel(String imagePath) { try { image = ImageIO.read(new File(imagePath)); } catch (IOException ie) { System.out.println("Error:" + ie.getMessage()); } } public void paint(Graphics g) { g.drawImage(image, 0, 0, null); } @Override public Dimension getPreferredSize() { return new Dimension(image.getWidth(), image.getHeight()); } } }