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.schemaeditor.controller.actions; import org.apache.directory.api.ldap.model.schema.MutableAttributeType; import org.apache.directory.api.ldap.model.schema.MutableObjectClass; import org.apache.directory.api.ldap.model.schema.ObjectClass; import org.apache.directory.studio.schemaeditor.Activator; import org.apache.directory.studio.schemaeditor.PluginConstants; import org.apache.directory.studio.schemaeditor.PluginUtils; import org.apache.directory.studio.schemaeditor.model.Schema; import org.apache.directory.studio.schemaeditor.view.dialogs.RenameAttributeTypeDialog; import org.apache.directory.studio.schemaeditor.view.dialogs.RenameObjectClassDialog; import org.apache.directory.studio.schemaeditor.view.dialogs.RenameSchemaDialog; import org.apache.directory.studio.schemaeditor.view.editors.EditorsUtils; import org.apache.directory.studio.schemaeditor.view.wrappers.AttributeTypeWrapper; import org.apache.directory.studio.schemaeditor.view.wrappers.ObjectClassWrapper; import org.apache.directory.studio.schemaeditor.view.wrappers.SchemaWrapper; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.IWorkbenchWindowActionDelegate; /** * This action launches a rename dialog for schema elements (schema, attribute type and object class). * * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> */ public class RenameSchemaElementAction extends Action implements IWorkbenchWindowActionDelegate { /** The associated viewer */ private TreeViewer viewer; /** * Creates a new instance of RenameProjectAction. * * @param viewer * the associated viewer */ public RenameSchemaElementAction(TreeViewer viewer) { super(Messages.getString("RenameSchemaElementAction.RenameSchemaElementAction")); //$NON-NLS-1$ setToolTipText(getText()); setId(PluginConstants.CMD_RENAME_SCHEMA_ELEMENT); setActionDefinitionId(PluginConstants.CMD_RENAME_SCHEMA_ELEMENT); setImageDescriptor(Activator.getDefault().getImageDescriptor(PluginConstants.IMG_RENAME)); setEnabled(false); this.viewer = viewer; this.viewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { StructuredSelection selection = (StructuredSelection) event.getSelection(); setEnabled((selection.size() == 1) && ((selection.getFirstElement() instanceof SchemaWrapper) || (selection.getFirstElement() instanceof AttributeTypeWrapper) || (selection.getFirstElement() instanceof ObjectClassWrapper))); } }); } /** * {@inheritDoc} */ public void run() { StructuredSelection selection = (StructuredSelection) viewer.getSelection(); if ((!selection.isEmpty()) && (selection.size() == 1)) { Object selectedElement = selection.getFirstElement(); // Saving all dirty editors before processing the renaming if (EditorsUtils.saveAllDirtyEditors()) { // SCHEMA if (selectedElement instanceof SchemaWrapper) { Schema schema = ((SchemaWrapper) selectedElement).getSchema(); RenameSchemaDialog dialog = new RenameSchemaDialog(schema.getSchemaName()); if (dialog.open() == RenameSchemaDialog.OK) { Activator.getDefault().getSchemaHandler().renameSchema(schema, dialog.getNewName()); } } // ATTRIBUTE TYPE else if (selectedElement instanceof AttributeTypeWrapper) { MutableAttributeType attributeType = (MutableAttributeType) ((AttributeTypeWrapper) selectedElement) .getAttributeType(); RenameAttributeTypeDialog dialog = new RenameAttributeTypeDialog(attributeType.getNames()); if (dialog.open() == RenameAttributeTypeDialog.OK) { MutableAttributeType modifiedAttributeType = PluginUtils.getClone(attributeType); modifiedAttributeType.setNames(dialog.getAliases()); Activator.getDefault().getSchemaHandler().modifyAttributeType(attributeType, modifiedAttributeType); } } // OBJECT CLASS else if (selectedElement instanceof ObjectClassWrapper) { MutableObjectClass objectClass = (MutableObjectClass) ((ObjectClassWrapper) selectedElement) .getObjectClass(); RenameObjectClassDialog dialog = new RenameObjectClassDialog(objectClass.getNames()); if (dialog.open() == RenameObjectClassDialog.OK) { ObjectClass modifiedObjectClass = PluginUtils.getClone(objectClass); modifiedObjectClass.setNames(dialog.getAliases()); Activator.getDefault().getSchemaHandler().modifyObjectClass(objectClass, modifiedObjectClass); } } } } } /** * {@inheritDoc} */ public void run(IAction action) { run(); } /** * {@inheritDoc} */ public void dispose() { // Nothing to do } /** * {@inheritDoc} */ public void init(IWorkbenchWindow window) { // Nothing to do } /** * {@inheritDoc} */ public void selectionChanged(IAction action, ISelection selection) { // Nothing to do } }