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 org.apache.directory.studio.apacheds.configuration.editor; import org.apache.directory.api.ldap.model.constants.LdapConstants; import org.apache.directory.api.ldap.model.constants.SchemaConstants; import org.apache.directory.api.ldap.model.message.AliasDerefMode; import org.apache.directory.api.ldap.model.message.SearchScope; import org.apache.directory.server.config.beans.ReplConsumerBean; import org.apache.directory.studio.apacheds.configuration.ApacheDS2ConfigurationPlugin; import org.apache.directory.studio.apacheds.configuration.ApacheDS2ConfigurationPluginConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Table; import org.eclipse.ui.forms.DetailsPart; import org.eclipse.ui.forms.IManagedForm; import org.eclipse.ui.forms.MasterDetailsBlock; import org.eclipse.ui.forms.SectionPart; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.Section; /** * This class represents the Replication Master/Details Block used in the Replication Page. * * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> */ public class ReplicationMasterDetailsBlock extends MasterDetailsBlock { private static final String NEW_ID = "consumer"; /** The associated page */ private ReplicationPage page; /** The Details Page */ private ReplicationDetailsPage detailsPage; // UI Fields private TableViewer viewer; private Button addButton; private Button deleteButton; /** * Creates a new instance of ReplicationMasterDetailsBlock. * * @param page * the associated page */ public ReplicationMasterDetailsBlock(ReplicationPage page) { this.page = page; } /** * {@inheritDoc} */ public void createContent(IManagedForm managedForm) { super.createContent(managedForm); this.sashForm.setWeights(new int[] { 30, 70 }); } /** * {@inheritDoc} */ protected void createMasterPart(final IManagedForm managedForm, Composite parent) { FormToolkit toolkit = managedForm.getToolkit(); sashForm.setOrientation(SWT.HORIZONTAL); // Creating the Section Section section = toolkit.createSection(parent, Section.TITLE_BAR); section.setText("All Replication Consummers"); section.marginWidth = 10; section.marginHeight = 5; Composite client = toolkit.createComposite(section, SWT.WRAP); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.makeColumnsEqualWidth = false; layout.marginWidth = 2; layout.marginHeight = 2; client.setLayout(layout); toolkit.paintBordersFor(client); section.setClient(client); // Creating the Table and Table Viewer Table table = toolkit.createTable(client, SWT.NULL); GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 2); gd.heightHint = 20; gd.widthHint = 100; table.setLayoutData(gd); final SectionPart spart = new SectionPart(section); managedForm.addPart(spart); viewer = new TableViewer(table); viewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { managedForm.fireSelectionChanged(spart, event.getSelection()); } }); viewer.setContentProvider(new ArrayContentProvider()); viewer.setLabelProvider(new LabelProvider() { public String getText(Object element) { if (element instanceof ReplConsumerBean) { ReplConsumerBean consumer = (ReplConsumerBean) element; return consumer.getReplConsumerId(); } return super.getText(element); } public Image getImage(Object element) { if (element instanceof ReplConsumerBean) { return ApacheDS2ConfigurationPlugin.getDefault() .getImage(ApacheDS2ConfigurationPluginConstants.IMG_REPLICATION_CONSUMER); } return super.getImage(element); } }); viewer.setComparator(new ViewerComparator() { public int compare(Viewer viewer, Object e1, Object e2) { if ((e1 instanceof ReplConsumerBean) && (e2 instanceof ReplConsumerBean)) { ReplConsumerBean o1 = (ReplConsumerBean) e1; ReplConsumerBean o2 = (ReplConsumerBean) e2; String id1 = o1.getReplConsumerId(); String id2 = o2.getReplConsumerId(); if ((id1 != null) && (id2 != null)) { return id1.compareTo(id2); } } return super.compare(viewer, e1, e2); } }); // Creating the button(s) addButton = toolkit.createButton(client, "Add", SWT.PUSH); addButton.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false)); deleteButton = toolkit.createButton(client, "Delete", SWT.PUSH); deleteButton.setEnabled(false); deleteButton.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false)); initFromInput(); addListeners(); } /** * Refreshes the UI. */ public void refreshUI() { initFromInput(); viewer.refresh(); } /** * Initializes the page with the Editor input. */ private void initFromInput() { viewer.setInput(page.getConfigBean().getDirectoryServiceBean().getLdapServerBean().getReplConsumers()); } /** * Add listeners to UI fields. */ private void addListeners() { viewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { viewer.refresh(); // Getting the selection of the table viewer StructuredSelection selection = (StructuredSelection) viewer.getSelection(); // Delete button is enabled when something is selected deleteButton.setEnabled(!selection.isEmpty()); } }); addButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { addNewConsumer(); } }); deleteButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { deleteSelectedConsumer(); } }); } /** * This method is called when the 'Add' button is clicked. */ private void addNewConsumer() { String newId = getNewId(); ReplConsumerBean consumerBean = getNewReplConsumerBean(); consumerBean.setReplConsumerId(newId); page.getConfigBean().getDirectoryServiceBean().getLdapServerBean().addReplConsumers(consumerBean); viewer.refresh(); viewer.setSelection(new StructuredSelection(consumerBean)); setEditorDirty(); } /** * Gets a new ReplConsumerBean. * * @return a new ReplConsumerBean */ private ReplConsumerBean getNewReplConsumerBean() { ReplConsumerBean consumerBean = new ReplConsumerBean(); consumerBean.setEnabled(true); consumerBean.setReplAliasDerefMode(AliasDerefMode.NEVER_DEREF_ALIASES.getJndiValue()); consumerBean.setReplProvHostName("localhost"); consumerBean.setReplProvPort(10389); consumerBean.setReplSearchFilter(LdapConstants.OBJECT_CLASS_STAR); consumerBean.setReplSearchScope(SearchScope.SUBTREE.getLdapUrlValue()); consumerBean.setReplUserDn("uid=admin,ou=system"); consumerBean.setReplUserPassword("secret".getBytes()); consumerBean.setReplRefreshInterval(60 * 1000); consumerBean.setReplRefreshNPersist(true); consumerBean.addReplAttributes(SchemaConstants.ALL_USER_ATTRIBUTES); consumerBean.setSearchBaseDn("dc=example,dc=com"); return consumerBean; } /** * Gets a new ID for a new Partition. * * @return * a new ID for a new Partition */ private String getNewId() { int counter = 1; String name = NEW_ID; boolean ok = false; while (!ok) { ok = true; name = NEW_ID + counter; for (ReplConsumerBean consumer : page.getConfigBean().getDirectoryServiceBean().getLdapServerBean() .getReplConsumers()) { if (consumer.getReplConsumerId().equalsIgnoreCase(name)) { ok = false; } } counter++; } return name; } /** * This method is called when the 'Delete' button is clicked. */ private void deleteSelectedConsumer() { StructuredSelection selection = (StructuredSelection) viewer.getSelection(); if (!selection.isEmpty()) { ReplConsumerBean consumer = (ReplConsumerBean) selection.getFirstElement(); if (MessageDialog.openConfirm(page.getManagedForm().getForm().getShell(), "Confirm Delete", NLS.bind("Are you sure you want to delete replication consumer ''{0}''?", consumer.getReplConsumerId()))) { page.getConfigBean().getDirectoryServiceBean().getLdapServerBean().getReplConsumers() .remove(consumer); setEditorDirty(); } } } /** * {@inheritDoc} */ protected void registerPages(DetailsPart detailsPart) { detailsPage = new ReplicationDetailsPage(this); detailsPart.registerPage(ReplConsumerBean.class, detailsPage); } /** * {@inheritDoc} */ protected void createToolBarActions(IManagedForm managedForm) { // TODO Auto-generated method stub } /** * Sets the Editor as dirty. */ public void setEditorDirty() { ((ServerConfigurationEditor) page.getEditor()).setDirty(true); viewer.refresh(); } /** * Saves the necessary elements to the input model. */ public void save() { detailsPage.commit(true); } /** * Gets the replication page. * * @return the replication */ public ReplicationPage getPage() { return this.page; } }