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.wizpublish; import java.awt.Dimension; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.io.File; import java.util.Collections; import java.util.List; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.DefaultListModel; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.tree.TreePath; import javax.swing.tree.TreeSelectionModel; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.jdesktop.swingx.JXList; import ro.nextreports.designer.FormSaver; import ro.nextreports.designer.Globals; import ro.nextreports.designer.chart.ChartUtil; import ro.nextreports.designer.querybuilder.DBBrowserNode; import ro.nextreports.designer.querybuilder.DBObject; import ro.nextreports.designer.server.JcrBrowserTreeUtil; import ro.nextreports.designer.ui.BaseDialog; import ro.nextreports.designer.ui.wizard.WizardPanel; import ro.nextreports.designer.util.FileUtil; import ro.nextreports.designer.util.I18NSupport; import ro.nextreports.designer.util.ImageUtil; import ro.nextreports.designer.util.Show; import ro.nextreports.designer.util.UIActivator; import ro.nextreports.designer.wizrep.WizardConstants; import ro.nextreports.engine.Report; import ro.nextreports.engine.XStreamFactory; import ro.nextreports.engine.chart.Chart; import ro.nextreports.server.api.client.ChartMetaData; import ro.nextreports.server.api.client.FileMetaData; import ro.nextreports.server.api.client.ReportMetaData; import ro.nextreports.server.api.client.WebServiceClient; import com.thoughtworks.xstream.XStream; public class DownloadListWizardPanel extends WizardPanel { private static Log LOG = LogFactory.getLog(DownloadListWizardPanel.class); private Dimension btnDim = new Dimension(20, 20); private Dimension scrDim = new Dimension(400, 150); private Dimension scrTreeDim = new Dimension(250, 200); private JXList list = new JXList(); private DefaultListModel listModel = new DefaultListModel(); private JScrollPane scrList = new JScrollPane(); private JButton btnAdd = new JButton(); private JButton btnRem = new JButton(); public DownloadListWizardPanel() { super(); banner.setTitle(I18NSupport.getString("download")); init(); } private void init() { setLayout(new GridBagLayout()); btnAdd.setIcon(ImageUtil.getImageIcon("add")); btnAdd.setPreferredSize(btnDim); btnAdd.setMinimumSize(btnDim); btnAdd.setMaximumSize(btnDim); btnAdd.setToolTipText(I18NSupport.getString("listselectionpanel.add")); btnAdd.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { add(); } }); btnRem.setIcon(ImageUtil.getImageIcon("delete")); btnRem.setPreferredSize(btnDim); btnRem.setMinimumSize(btnDim); btnRem.setMaximumSize(btnDim); btnRem.setToolTipText(I18NSupport.getString("listselectionpanel.remove")); btnRem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { remove(); } }); list.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { if (e.getClickCount() == 2) { remove(); } } }); scrList.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); scrList.setMinimumSize(scrDim); scrList.setPreferredSize(scrDim); scrList.getViewport().add(list, null); list.setModel(listModel); JPanel btnPanel = new JPanel(); btnPanel.setLayout(new BoxLayout(btnPanel, BoxLayout.Y_AXIS)); btnPanel.add(Box.createGlue()); btnPanel.add(btnAdd); btnPanel.add(Box.createRigidArea(new Dimension(5, 5))); btnPanel.add(btnRem); btnPanel.add(Box.createGlue()); add(scrList, new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, GridBagConstraints.NORTHEAST, GridBagConstraints.BOTH, new Insets(5, 5, 5, 5), 0, 0)); add(btnPanel, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0, GridBagConstraints.NORTH, GridBagConstraints.NONE, new Insets(5, 0, 5, 5), 0, 0)); } public void onDisplay() { } /** * Is there be a next panel? * * @return true if there is a panel to move to next */ public boolean hasNext() { return false; } public boolean validateNext(List<String> messages) { return false; } /** * Get the next panel to go to. */ public WizardPanel getNextPanel() { return null; } /** * Can this panel finish the wizard? * * @return true if this panel can finish the wizard. */ public boolean canFinish() { return true; } /** * Called to validate the panel before finishing the wizard. Should return * false if canFinish returns false. * * @param messages a List of messages to be displayed. * @return true if it is valid for this wizard to finish. */ public boolean validateFinish(List<String> messages) { if (listModel.size() <= 0) { messages.add(I18NSupport.getString("wizard.publish.entities.select.error")); return false; } String destinationPath = (String) context.getAttribute(DownloadBulkWizard.DESTINATION); String entity = (String) context.getAttribute(WizardConstants.ENTITY); String extension; if (WizardConstants.ENTITY_REPORT.equals(entity)) { extension = FormSaver.REPORT_FULL_EXTENSION; } else { extension = ChartUtil.CHART_FULL_EXTENSION; } StringBuilder sb = new StringBuilder(); for (Object path : Collections.list(listModel.elements())) { String serverPath = (String) path; String name = getName(serverPath); if (new File(destinationPath + File.separator + name + extension).exists()) { sb.append(name).append(" : "); sb.append(I18NSupport.getString("wizard.publish.entity.found")); sb.append("\n"); } } if (sb.length() > 0) { JDialog parent = (JDialog) context.getAttribute(PublishWizard.MAIN_FRAME); if (!overwriteBulk(parent, sb.toString())) { return false; } } return true; } private void add() { String entity = (String) context.getAttribute(WizardConstants.ENTITY); byte type; if (WizardConstants.ENTITY_REPORT.equals(entity)) { type = DBObject.REPORTS_GROUP; } else { type = DBObject.CHARTS_GROUP; } createSelectionDialog(type); } private void remove() { for (Object obj : list.getSelectedValues()) { listModel.removeElement(obj); } } private void createSelectionDialog(final byte type) { WebServiceClient client = (WebServiceClient) context.getAttribute(PublishWizard.CLIENT); final JcrBrowserTree jcrBrowserTree = new JcrBrowserTree(type, client); jcrBrowserTree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION); JPanel selectionPanel = JcrBrowserTreeUtil.createSelectionPanel(jcrBrowserTree, type); JDialog dialog = new BaseDialog(selectionPanel, I18NSupport.getString("wizard.publish.file.path.select"), true) { protected boolean ok() { return selection(jcrBrowserTree, type); } }; dialog.pack(); Show.centrateComponent((JDialog) context.getAttribute(PublishWizard.MAIN_FRAME), dialog); dialog.setVisible(true); } private boolean selection(JcrBrowserTree jcrBrowserTree, byte type) { TreePath[] paths = jcrBrowserTree.getSelectionPaths(); if (paths == null) { return false; } for (TreePath selPath : paths) { DBBrowserNode selectedNode = (DBBrowserNode) selPath.getLastPathComponent(); if ((selectedNode.getDBObject().getType() == DBObject.REPORTS) || (selectedNode.getDBObject().getType() == DBObject.CHARTS)) { if (!listModel.contains(selectedNode.getDBObject().getAbsolutePath())) { listModel.addElement(selectedNode.getDBObject().getAbsolutePath()); } } } if (listModel.size() <= 0) { return false; } return true; } public void onFinish() { Thread executorThread = new Thread(new Runnable() { public void run() { JDialog parent = (JDialog) context.getAttribute(PublishWizard.MAIN_FRAME); String destinationPath = (String) context.getAttribute(DownloadBulkWizard.DESTINATION); UIActivator activator = new UIActivator(Globals.getMainFrame(), I18NSupport.getString("download"), listModel.size()); activator.start(); WebServiceClient client = (WebServiceClient) context.getAttribute(PublishWizard.CLIENT); String entity = (String) context.getAttribute(WizardConstants.ENTITY); try { StringBuilder sbError = new StringBuilder(); StringBuilder sbInfo = new StringBuilder(); if (WizardConstants.ENTITY_REPORT.equals(entity)) { for (Object path : Collections.list(listModel.elements())) { String serverPath = (String) path; String name = getName(serverPath) + FormSaver.REPORT_FULL_EXTENSION; try { ReportMetaData reportMetaData = client.getReport(serverPath); XStream xstream = XStreamFactory.createXStream(); Report report = (Report) xstream.fromXML( new String(reportMetaData.getMainFile().getFileContent(), "UTF-8")); boolean ok = FormSaver.getInstance().save(new File(destinationPath, name), report); sbInfo.append(name).append(" : ").append(I18NSupport.getString("downloaded")) .append("\n"); if (ok) { // save images List<FileMetaData> list = reportMetaData.getImages(); if (list != null) { for (FileMetaData image : list) { FileUtil.createFile( destinationPath + File.separator + image.getFileName(), image.getFileContent()); } } // save template FileMetaData fmd = reportMetaData.getTemplate(); if (fmd != null) { FileUtil.createFile(destinationPath + File.separator + fmd.getFileName(), fmd.getFileContent()); } } } catch (Exception e) { sbError.append(name).append(" : ").append(e.getMessage()).append("\n"); } activator.updateProgress(); } } else { for (Object path : Collections.list(listModel.elements())) { String serverPath = (String) path; String name = getName(serverPath) + ChartUtil.CHART_FULL_EXTENSION; try { ChartMetaData chartMetaData = client.getChart(serverPath); XStream xstream = XStreamFactory.createXStream(); Chart chart = (Chart) xstream .fromXML(new String(chartMetaData.getMainFile().getFileContent(), "UTF-8")); ChartUtil.save(new File(destinationPath, name), chart); sbInfo.append(name).append(" : ").append(I18NSupport.getString("downloaded")) .append("\n"); } catch (Exception e) { sbError.append(name).append(" : ").append(e.getMessage()).append("\n"); } activator.updateProgress(); } } if (sbError.length() > 0) { Show.error(parent, sbInfo.toString() + "\n" + sbError.toString()); } else { Show.info(parent, sbInfo.toString()); } } finally { if (activator != null) { activator.stop(); activator = null; } } } }, "NEXT : " + getClass().getSimpleName()); executorThread.start(); } private String getName(String serverPath) { int separatorIndex = serverPath.lastIndexOf("/") + 1; if (separatorIndex == 0) { separatorIndex = serverPath.lastIndexOf("\\") + 1; } return serverPath.substring(separatorIndex); } private boolean overwriteBulk(JDialog parent, String message) { Object[] options = { I18NSupport.getString("report.util.yes"), I18NSupport.getString("report.util.no") }; int option = JOptionPane.showOptionDialog(parent, message + "\n" + I18NSupport.getString("wizard.publish.entities.overwrite"), I18NSupport.getString("report.util.confirm"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, options, options[1]); return (option == JOptionPane.YES_OPTION); } }