Java tutorial
/* * Copyright (c) 2010, SQL Power Group Inc. * * This file is part of SQL Power Library. * * SQL Power Library 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. * * SQL Power Library 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.event.ActionEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.concurrent.Callable; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.DefaultListModel; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.SwingUtilities; import ca.sqlpower.enterprise.client.ConnectionTestAction; import ca.sqlpower.enterprise.client.SPServerInfo; import ca.sqlpower.enterprise.client.SPServerInfoManager; import ca.sqlpower.swingui.DataEntryPanelBuilder; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; /** * A GUI for maintaining the manually-configured server info objects. */ public class SPServerInfoManagerPanel { private final SPServerInfoManager manager; private final Component dialogOwner; private final JPanel panel; private JList serverInfos; private final JButton connectButton; private final String boxLable; private final String addOrEditDialogLabel; private ConnectionTestAction testAction = new ConnectionTestAction() { public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(null, "Testing not implemented"); } }; private Action removeAction = new AbstractAction("Remove") { public void actionPerformed(ActionEvent e) { Object[] selectedValues = serverInfos.getSelectedValues(); for (Object o : selectedValues) { SPServerInfo si = (SPServerInfo) o; manager.remove(si); } refreshInfoList(); } }; private Action addAction = new AbstractAction("Add...") { public void actionPerformed(ActionEvent e) { showAddOrEditDialog(null); } }; private Action editAction = new AbstractAction("Edit...") { public void actionPerformed(ActionEvent e) { editSelectedServer(); } }; public SPServerInfoManagerPanel(SPServerInfoManager manager, Component dialogOwner, Action closeAction) { this(manager, dialogOwner, closeAction, "Available Server Connections:", "Server Connection Properties"); } /** * Creates a panel that displays the currently configured server * connections. New connections can be added from this panel and existing * connections can be modified or removed. * * @param manager * An {@link SPServerInfoManager} instance that contains server connection information. * @param dialogOwner * A component that will be used as the dialog owner for other * panels. * @param closeAction * An action that will properly close the object displaying the * panel. * @param boxLabel * Label of the server information box * @param addOrEditDialogLable * Label of the Add/Edit panel */ public SPServerInfoManagerPanel(SPServerInfoManager manager, Component dialogOwner, Action closeAction, String boxLabel, String addOrEditDialogLable) { this.manager = manager; this.dialogOwner = dialogOwner; this.boxLable = boxLabel; this.addOrEditDialogLabel = addOrEditDialogLable; DefaultFormBuilder builder = new DefaultFormBuilder( new FormLayout("pref:grow, 5dlu, pref", "pref, pref, pref")); serverInfos = new JList(new DefaultListModel()); serverInfos.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { if (e.getClickCount() == 2 && SwingUtilities.isLeftMouseButton(e) && connectButton.getAction() != null) { connectButton.getAction().actionPerformed(null); } } }); JScrollPane scrollPane = new JScrollPane(serverInfos); scrollPane.setPreferredSize(new Dimension(400, 300)); this.connectButton = new JButton(); // Build the GUI refreshInfoList(); CellConstraints cc = new CellConstraints(); builder.add(new JLabel(boxLable), cc.xyw(1, 1, 3)); builder.nextLine(); builder.add(scrollPane, cc.xywh(1, 2, 1, 2)); DefaultFormBuilder buttonBarBuilder = new DefaultFormBuilder(new FormLayout("pref")); buttonBarBuilder.append(new JButton(addAction)); buttonBarBuilder.append(new JButton(editAction)); buttonBarBuilder.append(new JButton(removeAction)); buttonBarBuilder.append(connectButton); buttonBarBuilder.append(new JButton(closeAction)); builder.add(buttonBarBuilder.getPanel(), cc.xy(3, 2)); builder.setDefaultDialogBorder(); panel = builder.getPanel(); } private void refreshInfoList() { DefaultListModel model = (DefaultListModel) serverInfos.getModel(); model.removeAllElements(); for (SPServerInfo si : manager.getServers(false)) { model.addElement(si); } } public JPanel getPanel() { return panel; } /** * Shows a dialog for adding a new server info, or editing an existing one. * * @param serverInfo * The server info to edit. If the intent is to add a new one, * specify null. */ private void showAddOrEditDialog(final SPServerInfo serverInfo) { final SPServerInfoPanel infoPanel; if (serverInfo == null) { infoPanel = new SPServerInfoPanel(panel, manager.getClientVersion(), manager.getDefaultSettings()); } else { infoPanel = new SPServerInfoPanel(panel, manager.getClientVersion(), serverInfo); } testAction.addPanel(infoPanel); infoPanel.setTestAction(testAction); Callable<Boolean> okCall = new Callable<Boolean>() { public Boolean call() throws Exception { if (!infoPanel.applyChanges()) { return false; } if (serverInfo != null) { manager.remove(serverInfo); } manager.add(infoPanel.getServerInfo()); refreshInfoList(); testAction.removePanel(infoPanel); return true; } }; Callable<Boolean> cancelCall = new Callable<Boolean>() { public Boolean call() throws Exception { testAction.removePanel(infoPanel); return true; } }; JDialog dialog = DataEntryPanelBuilder.createDataEntryPanelDialog(infoPanel, dialogOwner, addOrEditDialogLabel, "OK", okCall, cancelCall); dialog.setVisible(true); } public void setTestAction(ConnectionTestAction action) { testAction = action; } private void editSelectedServer() { SPServerInfo selectedItem = getSelectedServer(); if (selectedItem != null) { showAddOrEditDialog(selectedItem); } } public SPServerInfo getSelectedServer() { return (SPServerInfo) serverInfos.getSelectedValue(); } public void setLoginAction(Action action) { connectButton.setAction(action); } }