Java tutorial
/* * Copyright (c) 2010, SQL Power Group Inc. * * This file is part of Power*Architect. * * Power*Architect 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 3 of the License, or * (at your option) any later version. * * Power*Architect 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 this program. If not, see <http://www.gnu.org/licenses/>. */ package ca.sqlpower.swingui.enterprise.client; import java.awt.Component; import java.awt.Dimension; import java.awt.Window; import java.awt.Dialog.ModalityType; 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.io.IOException; import java.net.URISyntaxException; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.DefaultListModel; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFileChooser; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JProgressBar; import javax.swing.JScrollPane; import javax.swing.JTextField; import javax.swing.SwingUtilities; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import org.apache.http.client.CookieStore; import org.json.JSONException; import ca.sqlpower.enterprise.ClientSideSessionUtils; import ca.sqlpower.enterprise.client.ProjectLocation; import ca.sqlpower.enterprise.client.SPServerInfo; import ca.sqlpower.enterprise.client.SPServerInfoManager; import ca.sqlpower.swingui.SPSUtils; import ca.sqlpower.util.UserPrompterFactory; import ca.sqlpower.util.UserPrompter.UserPromptOptions; import ca.sqlpower.util.UserPrompter.UserPromptResponse; import ca.sqlpower.util.UserPrompterFactory.UserPromptType; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.factories.ButtonBarFactory; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; /** * This class can create a dialog to display server connections and the projects * in them. */ public abstract class ServerProjectsManagerPanel { private final Component dialogOwner; private final UserPrompterFactory upf; private final File defaultFileDirectory; private final JPanel panel; private final Action closeAction; private final JList projects; private final JList servers; private final Action refreshAction = new AbstractAction("Refresh") { public void actionPerformed(ActionEvent e) { refreshInfoList(); } }; private final Action newAction = new AbstractAction("New...") { public void actionPerformed(ActionEvent e) { if (getSelectedServerInfo() != null) { String name = JOptionPane.showInputDialog(dialogOwner, "Please specify the name of your project", "", JOptionPane.QUESTION_MESSAGE); if (name != null) { DefaultListModel model = (DefaultListModel) projects.getModel(); for (int i = 0; i < model.size(); i++) { if (((ProjectLocation) model.getElementAt(i)).getName().trim() .equalsIgnoreCase(name.trim())) { JOptionPane.showMessageDialog(dialogOwner, "A project called \"" + name + "\" already exists. Please use a different name.", "Duplicate project name", JOptionPane.ERROR_MESSAGE); return; } } try { Window frame = SwingUtilities.getWindowAncestor(dialogOwner); JLabel messageLabel = new JLabel("Creating New Project"); JProgressBar progressBar = new JProgressBar(); progressBar.setIndeterminate(true); final JDialog dialog = new JDialog(frame, "Creating New Project"); DefaultFormBuilder builder = new DefaultFormBuilder( new FormLayout("pref:grow, 5dlu, pref")); builder.setDefaultDialogBorder(); builder.append(messageLabel, 3); builder.nextLine(); builder.append(progressBar, 3); dialog.add(builder.getPanel()); dialog.setSize(new Dimension(300, 90)); dialog.setLocationRelativeTo(frame); dialog.setAlwaysOnTop(true); dialog.setVisible(true); ClientSideSessionUtils.createNewServerSession(getSelectedServerInfo(), name, cookieStore, upf); dialog.dispose(); } catch (Exception ex) { throw new RuntimeException("Unable to create new project", ex); } refreshInfoList(); } } } }; private final Action uploadAction = new AbstractAction("Upload") { public void actionPerformed(ActionEvent e) { final JDialog dialog = new JDialog(SwingUtilities.getWindowAncestor(dialogOwner), "Upload Project", ModalityType.DOCUMENT_MODAL); JPanel panel = new JPanel(); FormLayout layout = new FormLayout("4dlu, pref, 4dlu, max(150dlu;pref), 4dlu, pref, 4dlu", "pref, pref, pref"); DefaultFormBuilder builder = new DefaultFormBuilder(layout, panel); CellConstraints cc = new CellConstraints(); final JTextField nameField = new JTextField(); builder.add(new JLabel("Name"), cc.xy(2, 1)); builder.add(nameField, cc.xyw(4, 1, 3)); final JTextField fileField = new JTextField(); JButton fileButton = new JButton("..."); fileButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { JFileChooser chooser = new JFileChooser(defaultFileDirectory); chooser.addChoosableFileFilter(SPSUtils.ARCHITECT_FILE_FILTER); chooser.setDialogTitle("Choose Project to Upload"); int response = chooser.showOpenDialog(dialog); if (response != JFileChooser.APPROVE_OPTION) { return; } fileField.setText(chooser.getSelectedFile().getAbsolutePath()); } }); builder.add(new JLabel("File"), cc.xy(2, 2)); builder.add(fileField, cc.xy(4, 2)); builder.add(fileButton, cc.xy(6, 2)); final JButton okButton = new JButton("Upload"); okButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { File f = new File(fileField.getText()); if (!f.canRead()) { JOptionPane.showMessageDialog(dialogOwner, "File cannot be read", "Invalid File", JOptionPane.ERROR_MESSAGE); return; } try { ClientSideSessionUtils.uploadProject(getSelectedServerInfo(), nameField.getText(), f, upf, cookieStore); dialog.dispose(); refreshInfoList(); } catch (Exception ex) { SPSUtils.showExceptionDialogNoReport(dialog, "Unable to upload project", ex); } } }); JButton cancelButton = new JButton("Cancel"); cancelButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { dialog.dispose(); } }); okButton.setEnabled(false); DocumentListener documentListener = new DocumentListener() { @Override public void changedUpdate(DocumentEvent e) { textChanged(e); } @Override public void insertUpdate(DocumentEvent e) { textChanged(e); } @Override public void removeUpdate(DocumentEvent e) { textChanged(e); } private void textChanged(DocumentEvent e) { okButton.setEnabled(!fileField.getText().isEmpty() && !nameField.getText().isEmpty()); } }; fileField.getDocument().addDocumentListener(documentListener); nameField.getDocument().addDocumentListener(documentListener); JPanel buttonBar = ButtonBarFactory.buildRightAlignedBar(okButton, cancelButton); builder.add(buttonBar, cc.xyw(2, 3, 5)); dialog.add(panel); SPSUtils.makeJDialogCancellable(dialog, null); dialog.pack(); dialog.setLocationRelativeTo(dialogOwner); dialog.setVisible(true); } }; private final Action deleteAction = new AbstractAction("Delete") { public void actionPerformed(ActionEvent e) { if (getSelectedServerInfo() != null) { int[] indices = projects.getSelectedIndices(); if (indices.length >= 1) { final Object[] objs = new Object[indices.length]; for (int i = 0; i < indices.length; i++) { objs[i] = projects.getModel().getElementAt(indices[i]); } String promptMessage; if (indices.length == 1) { promptMessage = "Are you sure you want to delete the selected project?" + "\nThis action cannot be undone."; } else { promptMessage = "Are you sure you want to delete these " + indices.length + " selected projects?" + "\nThis action cannot be undone."; } if (JOptionPane.showConfirmDialog(dialogOwner, promptMessage, "Confirm Delete Projects", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.YES_OPTION) { for (Object obj : objs) { if (obj instanceof ProjectLocation) { ProjectLocation location = (ProjectLocation) obj; try { ClientSideSessionUtils.deleteServerWorkspace(location, cookieStore, upf); } catch (Exception ex) { throw new RuntimeException("Unable to delete project", ex); } } } refreshInfoList(); } } } } }; private boolean connected = false; private SPServerInfo serverInfo = null; private final CookieStore cookieStore; private final JButton securityButton = new JButton(); private final JButton openButton = new JButton(); /** * This constructor creates a dialog for modifying and loading a project * from a single server designated by the given serverInfo parameter. * * @param serverInfo * Projects will be retrieved from this server based on the * information and displayed. The dialog will allow editing the * security as well as creating and deleting projects on this * server. * @param dialogOwner * The dialog to parent new dialogs to. * @param upf * A user prompter factory for displaying error and warning * messages to users. * @param closeAction * An action that will close the dialog or frame that this dialog * is contained in. * @param defaultFileDirectory * A default file directory to start looking for files in if the * user wants to upload a project. If null this will default to * the user's home directory. * @param cookieStore * A cookie store for HTTP requests. Used by the * {@link ClientSideSessionUtils}. */ public ServerProjectsManagerPanel(SPServerInfo serverInfo, Component dialogOwner, UserPrompterFactory upf, Action closeAction, File defaultFileDirectory, CookieStore cookieStore) { this.serverInfo = serverInfo; this.dialogOwner = dialogOwner; this.upf = upf; this.closeAction = closeAction; this.defaultFileDirectory = defaultFileDirectory; this.cookieStore = cookieStore; cookieStore.clear(); DefaultFormBuilder builder = new DefaultFormBuilder( new FormLayout("pref:grow, 5dlu, pref", "pref, pref, pref")); servers = null; projects = new JList(new DefaultListModel()); projects.addMouseListener(new MouseAdapter() { @Override public void mouseReleased(MouseEvent e) { refreshPanel(); if (e.getClickCount() == 2 && SwingUtilities.isLeftMouseButton(e)) { getOpenAction().actionPerformed(null); } } }); JScrollPane projectsPane = new JScrollPane(projects); projectsPane.setPreferredSize(new Dimension(250, 300)); CellConstraints cc = new CellConstraints(); builder.add(new JLabel(serverInfo.getName() + "'s projects:"), cc.xyw(1, 1, 2)); builder.nextLine(); builder.add(projectsPane, cc.xywh(1, 2, 1, 2)); DefaultFormBuilder buttonBarBuilder = new DefaultFormBuilder(new FormLayout("pref")); buttonBarBuilder.append(new JButton(refreshAction)); buttonBarBuilder.append(securityButton); buttonBarBuilder.append(new JButton(newAction)); buttonBarBuilder.append(openButton); buttonBarBuilder.append(new JButton(deleteAction)); buttonBarBuilder.append(new JButton(closeAction)); builder.add(buttonBarBuilder.getPanel(), cc.xy(3, 2)); builder.setDefaultDialogBorder(); panel = builder.getPanel(); } /** * Creates a dialog that lets the user choose a server connection and then a * project. * * @param serverManager * This object contains all of the server information objects * known and the servers based on their information will be * displayed in a list so a user can navigate to different * projects in different servers. * @param dialogOwner * The dialog to parent new dialogs to. * @param upf * A user prompter factory for displaying error and warning * messages to users. * @param closeAction * An action that will close the dialog or frame that this dialog * is contained in. * @param defaultFileDirectory * A default file directory to start looking for files in if the * user wants to upload a project. If null this will default to * the user's home directory. * @param cookieStore * A cookie store for HTTP requests. Used by the * {@link ClientSideSessionUtils}. */ public ServerProjectsManagerPanel(SPServerInfoManager serverManager, Component dialogOwner, UserPrompterFactory upf, Action closeAction, File defaultFileDirectory, CookieStore cookieStore) { this.dialogOwner = dialogOwner; this.upf = upf; this.closeAction = closeAction; this.defaultFileDirectory = defaultFileDirectory; this.cookieStore = cookieStore; cookieStore.clear(); DefaultFormBuilder builder = new DefaultFormBuilder( new FormLayout("pref:grow, 5dlu, pref:grow, 5dlu, pref", "pref, pref, pref")); servers = new JList(new DefaultListModel()); servers.addMouseListener(new MouseAdapter() { @Override public void mouseReleased(MouseEvent e) { if (SwingUtilities.isLeftMouseButton(e)) { refreshInfoList(); } } }); DefaultListModel serversModel = (DefaultListModel) servers.getModel(); serversModel.removeAllElements(); if (serverManager.getServers(false).size() > 0) { for (SPServerInfo serverInfo : serverManager.getServers(false)) { serversModel.addElement(serverInfo); } } else { serversModel.addElement("No Servers"); servers.setEnabled(false); } projects = new JList(new DefaultListModel()); projects.addMouseListener(new MouseAdapter() { @Override public void mouseReleased(MouseEvent e) { refreshPanel(); if (e.getClickCount() == 2 && SwingUtilities.isLeftMouseButton(e)) { getOpenAction().actionPerformed(null); } } }); JScrollPane projectsPane = new JScrollPane(projects); projectsPane.setPreferredSize(new Dimension(250, 300)); JScrollPane serverPane = new JScrollPane(servers); serverPane.setPreferredSize(new Dimension(250, 300)); CellConstraints cc = new CellConstraints(); builder.add(new JLabel("Servers:"), cc.xyw(1, 1, 2)); builder.add(new JLabel("Projects:"), cc.xyw(3, 1, 2)); builder.nextLine(); builder.add(serverPane, cc.xywh(1, 2, 1, 2)); builder.add(projectsPane, cc.xywh(3, 2, 1, 2)); DefaultFormBuilder buttonBarBuilder = new DefaultFormBuilder(new FormLayout("pref")); buttonBarBuilder.append(new JButton(refreshAction)); buttonBarBuilder.append(securityButton); buttonBarBuilder.append(new JButton(newAction)); buttonBarBuilder.append(openButton); buttonBarBuilder.append(new JButton(uploadAction)); buttonBarBuilder.append(new JButton(deleteAction)); buttonBarBuilder.append(new JButton(closeAction)); builder.add(buttonBarBuilder.getPanel(), cc.xy(5, 2)); builder.setDefaultDialogBorder(); panel = builder.getPanel(); } public boolean isConnected() { refreshInfoList(); return connected; } public JPanel getPanel() { openButton.setAction(getOpenAction()); securityButton.setAction(getSecurityAction()); refreshInfoList(); return panel; } private void refreshPanel() { // Update the status of buttons and lists . if (connected) { securityButton.setEnabled(true); newAction.setEnabled(true); uploadAction.setEnabled(true); if (projects.isSelectionEmpty()) { openButton.setEnabled(false); deleteAction.setEnabled(false); } else { openButton.setEnabled(true); deleteAction.setEnabled(true); } projects.setEnabled(true); } else { securityButton.setEnabled(false); newAction.setEnabled(false); openButton.setEnabled(false); uploadAction.setEnabled(false); deleteAction.setEnabled(false); projects.setEnabled(false); } } protected void refreshInfoList() { DefaultListModel model = (DefaultListModel) projects.getModel(); model.removeAllElements(); SPServerInfo serviceInfo = getSelectedServerInfo(); if (serviceInfo != null) { try { List<ProjectLocation> projectLocations = getProjectLocations(); // Sorts the project locations alphabetically Collections.sort(projectLocations, new Comparator<ProjectLocation>() { public int compare(ProjectLocation proj1, ProjectLocation proj2) { return proj1.getName().compareToIgnoreCase(proj2.getName()); } }); model.clear(); for (ProjectLocation pl : projectLocations) { model.addElement(pl); } connected = true; } catch (Exception ex) { model.removeAllElements(); model.addElement("Unable to get projects from server"); connected = false; upf.createUserPrompter("Server Unavailable", UserPromptType.MESSAGE, UserPromptOptions.OK, UserPromptResponse.OK, "OK", "OK").promptUser(""); } refreshPanel(); } else { model.addElement("No Server Selected"); connected = false; refreshPanel(); } } /** * Returns all of the project locations for the selected server. */ protected abstract List<ProjectLocation> getProjectLocations() throws IOException, URISyntaxException, JSONException; /** * Returns the server info for the selected server the user is currently * viewing. */ protected SPServerInfo getSelectedServerInfo() { if (serverInfo != null) return serverInfo; int index = servers.getSelectedIndex(); Object obj; if (index >= 0) { obj = servers.getModel().getElementAt(index); if (obj instanceof SPServerInfo) { return (SPServerInfo) obj; } } return null; } protected Component getDialogOwner() { return dialogOwner; } protected Action getCloseAction() { return closeAction; } protected List<ProjectLocation> getSelectedProjects() { List<ProjectLocation> projectLocations = new ArrayList<ProjectLocation>(); if (getSelectedServerInfo() != null) { int[] indices = projects.getSelectedIndices(); if (indices.length >= 1) { for (int i = 0; i < indices.length; i++) { projectLocations.add((ProjectLocation) projects.getModel().getElementAt(indices[i])); } } } return projectLocations; } /** * This action will open the selected project(s). */ protected abstract Action getOpenAction(); /** * This action will open a security editor for the selected server. */ protected abstract Action getSecurityAction(); }