Add support for LDAP lecture filters

1 files changed, 214 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/LdapFilterConfigurator.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/LdapFilterConfigurator.java
new file mode 100644
index 00000000..7028deb1
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/LdapFilterConfigurator.java
@@ -0,0 +1,214 @@
+package org.openslx.dozmod.gui.control;
+
+import java.awt.GridBagConstraints;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.event.ChangeListener;
+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.LdapFilter;
+import org.openslx.dozmod.gui.Gui;
+import org.openslx.dozmod.gui.control.table.LectureLdapFilterTable;
+import org.openslx.dozmod.gui.control.table.QScrollPane;
+import org.openslx.dozmod.gui.helper.GridManager;
+import org.openslx.dozmod.gui.helper.MessageType;
+
+/**
+ * Widget for network share configuration of lectures
+ */
+public class LdapFilterConfigurator extends LdapFilterConfiguratorLayout {
+
+	private static final long serialVersionUID = -3336605759245603655L;
+	private final static Logger LOGGER = Logger.getLogger(LdapFilterConfigurator.class);
+	private List<LdapFilter> filterList = null;
+
+	public LdapFilterConfigurator() {
+
+		super();
+
+		tblFilters.getModel().addTableModelListener(new TableModelListener() {
+			@Override
+			public void tableChanged(TableModelEvent e) {
+				fireChangeEvent();
+			}
+		});
+
+		tblFilters.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
+			@Override
+			public void valueChanged(ListSelectionEvent e) {
+				LdapFilter item = tblFilters.getSelectedItem();
+				if (item == null) {
+					clearInputFields();
+					return;
+				}
+				// share from the list is selected: fill bottom form and change "Add" to "Apply"
+				btnDel.setEnabled(true);
+				txtAttribute.setText(item.attribute);
+				txtValue.setText(item.value);
+				btnAdd.setText("Ändern");
+			}
+		});
+
+		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
+				LdapFilter input = new LdapFilter();
+
+				input.attribute = txtAttribute.getText();
+				if (input.attribute == null || input.attribute.isEmpty()) {
+					Gui.showMessageBox("Kein Attribut angegeben", MessageType.ERROR, null, null);
+					return;
+				}
+				input.value = txtValue.getText();
+				if (input.value == null) {
+					input.value = "";
+				}
+				
+				// 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 (filterList.contains(input)) {
+					Gui.showMessageBox("Eintrag bereits vorhanden", MessageType.ERROR, null, null);
+					return;
+				}
+				// now decide whether to create a new entry or update existing one
+				LdapFilter oldEntry = tblFilters.getSelectedItem();
+				if (oldEntry != null) {
+					// editing existing one, delete it from the internal data
+					filterList.remove(oldEntry);
+				}
+				filterList.add(input);
+				tblFilters.getModel().setData(filterList);
+				clearInputFields();
+			}
+		});
+
+		btnDel.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				// try to delete the selected share
+				LdapFilter selection = tblFilters.getSelectedItem();
+				if (selection == null) {
+					return;
+				}
+				try {
+					if (!filterList.remove(selection)) {
+						// false if it was not found
+						LOGGER.error("Could not remove non-existent filter '" + selection.toString()
+								+ "' from the table data: " + filterList.toString());
+						return;
+					}
+					// refresh table data
+					tblFilters.getModel().setData(filterList);
+				} catch (Exception ex) {
+					LOGGER.debug("Failed to remove " + selection.toString() + " from the table data.", ex);
+					return;
+				}
+			}
+		});
+		btnDel.setEnabled(false);
+	}
+
+	private void clearInputFields() {
+		btnDel.setEnabled(false);
+		txtAttribute.setText(null);
+		txtValue.setText(null);
+		btnAdd.setText("Hinzufügen");
+	}
+
+	public List<LdapFilter> getState() {
+		return filterList;
+	}
+
+	public boolean setState(List<LdapFilter> data) {
+		if (data == null)
+			return false;
+		if (filterList == null) {
+			filterList = new ArrayList<>();
+		}
+		filterList = data;
+		tblFilters.getModel().setData(filterList);
+		return true;
+	}
+
+	protected List<ChangeListener> listenerList = new ArrayList<>();
+
+	public void addLdapFilterListTableContentConfigurationChangeEventListener(ChangeListener listener) {
+		listenerList.add(listener);
+	}
+
+	public void removeNetshareConfigurationChangeEventListener(ChangeListener listener) {
+		listenerList.remove(listener);
+	}
+
+	void fireChangeEvent() {
+		for (ChangeListener listener : new ArrayList<>(listenerList)) {
+			listener.stateChanged(null);
+		}
+	}
+}
+
+/**
+ * Internal layout class for this widget
+ */
+class LdapFilterConfiguratorLayout extends JPanel {
+
+	private static final long serialVersionUID = 6479838641542743622L;
+
+	private final static String HELPTEXT = "Geben Sie hier LDAP Filter ein, die die Sichtbarkeit"
+			+ " der Veranstaltung abhängig vom angemeldeten Benutzer einschränken. Eine Veranstaltung"
+			+ " ist sichtbar, sobald einer der angegebenen Filter zutrifft. Zusätzliche Raumbeschränkungen"
+			+ " greifen weiterhin.";
+
+	protected final LectureLdapFilterTable tblFilters = new LectureLdapFilterTable();
+	protected final JTextField txtAttribute, txtValue;
+	protected final JButton btnAdd, btnDel;
+
+	public LdapFilterConfiguratorLayout() {
+		GridManager grid = new GridManager(this, 1, true, new Insets(3, 3, 3, 3));
+		// top info panel
+		grid.add(new QLabel(HELPTEXT)).fill(true, false).expand(true, false);
+		grid.nextRow();
+		// middle filter list
+		grid.add(new QScrollPane(tblFilters)).fill(true, true).expand(true, true);
+		grid.nextRow();
+		
+		btnDel = new JButton("Entfernen");
+		grid.add(btnDel).anchor(GridBagConstraints.EAST);
+		grid.nextRow();
+
+		JPanel pnlNewShare = new JPanel();
+		GridManager gridNewFilter = new GridManager(pnlNewShare, 2, true);
+		pnlNewShare.setBorder(BorderFactory.createTitledBorder("Filter definieren"));
+		gridNewFilter.add(new QLabel("Attribut"));
+		txtAttribute = new JTextField();
+		gridNewFilter.add(txtAttribute).fill(true, false).expand(true, false);
+		gridNewFilter.nextRow();
+		gridNewFilter.add(new QLabel("Wert"));
+		txtValue = new JTextField();
+		gridNewFilter.add(txtValue).fill(true, false).expand(true, false);
+		gridNewFilter.nextRow();
+		btnAdd = new JButton("Hinzufügen");
+		gridNewFilter.add(btnAdd, 2).anchor(GridBagConstraints.EAST);
+		gridNewFilter.nextRow();
+		gridNewFilter.finish(false);
+		grid.add(pnlNewShare).fill(true, false).expand(true, false);
+		grid.nextRow();
+		grid.finish(false);
+	}
+}