[client/server] network share feature [WIP]

1 files changed, 330 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/NetshareConfigurator.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/NetshareConfigurator.java
new file mode 100644
index 00000000..ac10e2bb
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/NetshareConfigurator.java
@@ -0,0 +1,330 @@
+package org.openslx.dozmod.gui.control;
+
+import java.awt.BorderLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.EventListener;
+import java.util.EventObject;
+import java.util.List;
+
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.DefaultComboBoxModel;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JPanel;
+import javax.swing.JPasswordField;
+import javax.swing.JTextField;
+import javax.swing.event.EventListenerList;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+import javax.swing.event.TableModelEvent;
+import javax.swing.event.TableModelListener;
+
+import org.apache.log4j.Logger;
+import org.openslx.bwlp.thrift.iface.NetShare;
+import org.openslx.bwlp.thrift.iface.NetShareAuth;
+import org.openslx.dozmod.gui.control.ComboBox.ComboBoxRenderer;
+import org.openslx.dozmod.gui.control.table.NetshareTable;
+import org.openslx.dozmod.gui.control.table.QScrollPane;
+import org.openslx.dozmod.gui.helper.GridManager;
+import org.openslx.dozmod.util.FormatHelper;
+
+/**
+ * Widget for netrules configuration of lectures
+ */
+public class NetshareConfigurator extends NetshareConfiguratorLayout {
+
+	private static final long serialVersionUID = -3336605759245603655L;
+	private final static Logger LOGGER = Logger.getLogger(NetshareConfigurator.class);
+
+	private List<NetShare> tblNetshareData = null;
+
+	public NetshareConfigurator() {
+		super();
+		tblNetshare.getModel().addTableModelListener(new TableModelListener() {
+			@Override
+			public void tableChanged(TableModelEvent e) {
+				fireNetshareConfigurationChangeEvent(new NetshareConfigurationChangeEvent(NetshareConfigurator.this));
+			}
+		});
+
+		// combobox for share authentication types
+		cboNetshareAuth.setModel(new DefaultComboBoxModel<NetShareAuth>(NetShareAuth.values()));
+		cboNetshareAuth.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				NetShareAuth selectedAuth = cboNetshareAuth.getItemAt(cboNetshareAuth.getSelectedIndex());
+				boolean activate = selectedAuth == NetShareAuth.SPECIAL_USER;
+				// username field is needed to either special or guest user 
+				tfUsername.setEnabled(activate || selectedAuth == NetShareAuth.GUEST_USER);
+				lblUsername.setEnabled(activate || selectedAuth == NetShareAuth.GUEST_USER);
+				tfPassword.setEnabled(activate);
+				lblPassword.setEnabled(activate);
+				chkShowPass.setEnabled(activate);
+			}
+		});
+
+		tfUsername.setEnabled(false);
+		lblUsername.setEnabled(false);
+		tfPassword.setEnabled(false);
+		lblPassword.setEnabled(false);
+		chkShowPass.setEnabled(false);
+		btnAdd.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				// check if we are editing an existing share entry or
+				// creating a new one, check for input either way
+				NetShare input = new NetShare();
+				NetShareAuth inputNetShareAuth = cboNetshareAuth.getItemAt(cboNetshareAuth.getSelectedIndex());
+				if (inputNetShareAuth == null) {
+					LOGGER.error("Could not get the network share auth type from the combobox!");
+					return;
+				}
+				input.auth = inputNetShareAuth;
+				input.path = tfSharePath.getText();
+				if (input.path == null || input.path.isEmpty()) {
+					LOGGER.error("Missing/empty network share URI!");
+					return;
+				}
+				switch (inputNetShareAuth) {
+				case GUEST_USER:
+					// guest mode requires guest account but not password
+					input.username = tfUsername.getText();
+					break;
+				case LOGIN_USER:
+					break;
+				case SPECIAL_USER:
+					// save given username/password
+					input.username = tfUsername.getText();
+					char[] inputPassword = tfPassword.getPassword();
+					input.password = new String(inputPassword);
+					Arrays.fill(inputPassword, '0');
+					break;
+				default:
+					input = null;
+					break;
+				}
+				if (input == null) {
+					LOGGER.debug("Input bad, aborting.");
+					return;
+				}
+				
+				// now decide whether to create a new entry or update existing one
+				if (tblNetshare.getSelectedItem() != null) {
+					// editing existing one, delete it from the internal data
+					if (!tblNetshareData.remove(tblNetshare.getSelectedItem())) {
+						LOGGER.debug("Failed to remove selected share for replacement!");
+						return;
+					}
+				}
+				// either we delete the existing share from the data or we are
+				// creating a new one, either way add it to the list and update
+				// the table, if its not present already
+				if (tblNetshareData.contains(input)) {
+					LOGGER.error("Network share already in the list, aborting.");
+					return;
+				}
+				tblNetshareData.add(input);
+				tblNetshare.getModel().setData(tblNetshareData);
+				}
+			}
+		);
+
+		btnDel.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				// try to delete the selected share
+				NetShare selection = tblNetshare.getSelectedItem();
+				if (selection == null) {
+					return;
+				}
+				try {
+					if (!tblNetshareData.remove(selection)) {
+						// false if it was not found
+						LOGGER.error("Could not remove non-existant network share '" + selection.toString()
+								+ "' from the table data: " + tblNetshareData.toString());
+						return;
+					}
+					// refresh table data
+					tblNetshare.getModel().setData(tblNetshareData);
+				} catch (Exception ex) {
+					LOGGER.debug("Failed to remove " + selection.toString() + " from the table data.", ex);
+					return;
+				}
+			}
+		});
+
+		chkShowPass.addItemListener(new ItemListener() {
+			public void itemStateChanged(ItemEvent e) {
+				if (e.getStateChange() != ItemEvent.SELECTED) {
+					tfPassword.setEchoChar('*');
+				} else {
+					tfPassword.setEchoChar((char) 0);
+				}
+			}
+		});
+
+		tblNetshare.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
+			@Override
+			public void valueChanged(ListSelectionEvent e) {
+				NetShare item = tblNetshare.getSelectedItem();
+				// ugly block-wise sets, but only one test needed compared to
+				// doing lots of item != null ? ... : ... 
+				if (item != null) {
+					// share from the list is selected: fill bottom form and change "Add" to "Apply"
+					btnDel.setEnabled(true);
+					tfSharePath.setText(item.path);
+					tfUsername.setText(item.username);
+					tfPassword.setText(item.password);
+					cboNetshareAuth.setSelectedItem(item.auth);
+					btnAdd.setText("Ändern");
+				} else {
+					btnDel.setEnabled(false);
+					tfSharePath.setText(null);
+					tfUsername.setText(null);
+					tfPassword.setText(null);
+					cboNetshareAuth.setSelectedItem(null);					
+					btnAdd.setText("Hinzufügen");
+				}
+			}
+		});
+	}
+
+	public List<NetShare> getState() {
+		return tblNetshareData;
+	}
+
+	public boolean setState(List<NetShare> data) {
+		if (data == null)
+			return false;
+		if (tblNetshareData == null) {
+			tblNetshareData = new ArrayList<>();
+		}
+		tblNetshareData = data;
+		tblNetshare.getModel().setData(tblNetshareData);
+		return true;
+	}
+
+	protected EventListenerList listenerList = new EventListenerList();
+
+	public class NetshareConfigurationChangeEvent extends EventObject {
+
+		private static final long serialVersionUID = -511509960878320591L;
+
+		public NetshareConfigurationChangeEvent(Object source) {
+			super(source);
+		}
+	}
+
+	public interface NetshareConfigurationChangeEventListener extends EventListener {
+		public void stateChanged(NetshareConfigurationChangeEvent event);
+	}
+
+	public void addNetshareConfigurationChangeEventListener(NetshareConfigurationChangeEventListener listener) {
+		listenerList.add(NetshareConfigurationChangeEventListener.class, listener);
+	}
+
+	public void removeNetshareConfigurationChangeEventListener(NetshareConfigurationChangeEventListener listener) {
+		listenerList.remove(NetshareConfigurationChangeEventListener.class, listener);
+	}
+
+	void fireNetshareConfigurationChangeEvent(NetshareConfigurationChangeEvent evt) {
+		Object[] listeners = listenerList.getListenerList();
+		for (int i = 0; i < listeners.length; i++) {
+			if (listeners[i] == NetshareConfigurationChangeEventListener.class) {
+				((NetshareConfigurationChangeEventListener) listeners[i + 1]).stateChanged(evt);
+			}
+		}
+	}
+}
+
+/**
+ * Internal layout class for this widget
+ */
+class NetshareConfiguratorLayout extends JPanel {
+
+	private static final long serialVersionUID = 6479525981542743622L;
+
+	private final static String txtNetshareDesc = "Hier können Sie Netzlaufwerke angeben,"
+			+ " die automatisch beim Start der Veranstaltung eingebunden werden sollen.";
+	protected QLabel lblShareAuth, lblSharePath, lblUsername, lblPassword;
+	
+	protected NetshareTable tblNetshare = new NetshareTable();
+	protected JTextField tfSharePath, tfUsername;
+	protected JPasswordField tfPassword;
+	protected JButton btnAdd, btnDel;
+	protected JCheckBox chkShowPass;
+	protected ComboBox<NetShareAuth> cboNetshareAuth = new ComboBox<>(new ComboBoxRenderer<NetShareAuth>() {
+		@Override
+		public String renderItem(NetShareAuth item) {
+			if (item == null)
+				return null;
+			return FormatHelper.netShareAuthName(item);
+		}
+	});
+
+	
+
+	public NetshareConfiguratorLayout() {
+		GridManager grid = new GridManager(this, 5, true, new Insets(3, 3, 3, 3));
+		// top info panel
+		grid.add(new WordWrapLabel(txtNetshareDesc), 5).fill(true, false).expand(true, false);
+		grid.nextRow();
+		// middle netshare list
+		grid.add(new QScrollPane(tblNetshare), 5).fill(true, true).expand(true, true);
+		grid.nextRow();
+		JPanel pnlButtonDelete = new JPanel();
+		pnlButtonDelete.setLayout(new BoxLayout(pnlButtonDelete, BoxLayout.LINE_AXIS));
+		btnDel = new JButton("Entfernen");
+		pnlButtonDelete.add(Box.createGlue());
+		pnlButtonDelete.add(btnDel, BorderLayout.LINE_END);
+		grid.add(pnlButtonDelete, 5).fill(true, false).expand(true, false);
+		grid.nextRow();
+		JPanel pnlNewShare = new JPanel();
+		GridManager gridNewShare = new GridManager(pnlNewShare, 5, true);
+		pnlNewShare.setBorder(BorderFactory.createTitledBorder("Neues Netzlaufwerk"));
+		// bottom form to add a new share
+		lblShareAuth = new QLabel("Authentifizierung");
+		gridNewShare.add(lblShareAuth);
+		gridNewShare.add(cboNetshareAuth, 4).fill(true, false).expand(true, false); // User (optional)
+		gridNewShare.nextRow();
+		lblSharePath = new QLabel("URI");
+		gridNewShare.add(lblSharePath);
+		tfSharePath = new JTextField();
+		gridNewShare.add(tfSharePath, 4).fill(true, false).expand(true, false); // User (optional)
+		gridNewShare.nextRow();
+		lblUsername = new QLabel("Username");
+		gridNewShare.add(lblUsername);
+		tfUsername = new JTextField();
+		gridNewShare.add(tfUsername, 1).fill(true, false).expand(true, false); // Password (optional)
+		lblPassword = new QLabel("Passwort:");
+		gridNewShare.add(lblPassword);
+		tfPassword = new JPasswordField();
+		gridNewShare.add(tfPassword, 2).fill(true, false).expand(true, false); // Password (optional)
+		gridNewShare.nextRow();
+		chkShowPass = new JCheckBox("Passwort anzeigen");
+		JPanel pnlHidePass = new JPanel();
+		pnlHidePass.setLayout(new BoxLayout(pnlHidePass, BoxLayout.LINE_AXIS));
+		pnlHidePass.add(Box.createGlue());
+		pnlHidePass.add(chkShowPass, BorderLayout.LINE_END);
+		gridNewShare.add(pnlHidePass, 5).fill(true, false).expand(true, false);
+		gridNewShare.nextRow();
+		grid.add(pnlNewShare, 5).fill(true, false).expand(true, false);
+		grid.nextRow();
+		// bottom panels for right-aligned button...
+		JPanel pnlButtonAdd = new JPanel();
+		pnlButtonAdd.setLayout(new BoxLayout(pnlButtonAdd, BoxLayout.LINE_AXIS));
+		btnAdd = new JButton("Hinzufügen");
+		pnlButtonAdd.add(Box.createGlue());
+		pnlButtonAdd.add(btnAdd, BorderLayout.LINE_END);
+		grid.add(pnlButtonAdd, 5).fill(true, false).expand(true, false);
+		grid.finish(false);
+	}
+}