| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.core; |
| |
| import org.eclipse.dltk.core.IModelElement; |
| import org.eclipse.dltk.core.IModelStatus; |
| import org.eclipse.dltk.core.IModelStatusConstants; |
| import org.eclipse.dltk.core.ISourceReference; |
| import org.eclipse.dltk.core.ModelException; |
| import org.eclipse.dltk.internal.core.util.Messages; |
| |
| /** |
| * This operation renames elements. |
| * |
| * <p> |
| * Notes: |
| * <ul> |
| * <li>Resource rename is not supported - this operation only renames elements |
| * contained in compilation units. |
| * <li>When a main type is renamed, its compilation unit and constructors are |
| * renamed. |
| * <li>Constructors cannot be renamed. |
| * </ul> |
| */ |
| public class RenameElementsOperation extends MoveElementsOperation { |
| /** |
| * When executed, this operation will rename the specified elements with the |
| * given names in the corresponding destinations. |
| */ |
| public RenameElementsOperation(IModelElement[] elements, IModelElement[] destinations, String[] newNames, boolean force) { |
| // a rename is a move to the same parent with a new name specified |
| // these elements are from different parents |
| super(elements, destinations, force); |
| setRenamings(newNames); |
| } |
| |
| /** |
| * @see MultiOperation |
| */ |
| @Override |
| protected String getMainTaskName() { |
| return Messages.operation_renameElementProgress; |
| } |
| |
| /** |
| * @see CopyElementsOperation#isRename() |
| */ |
| @Override |
| protected boolean isRename() { |
| return true; |
| } |
| |
| /** |
| * @see MultiOperation |
| */ |
| @Override |
| protected IModelStatus verify() { |
| IModelStatus status = super.verify(); |
| if (!status.isOK()) |
| return status; |
| if (this.renamingsList == null || this.renamingsList.length == 0) |
| return new ModelStatus(IModelStatusConstants.NULL_NAME); |
| return ModelStatus.VERIFIED_OK; |
| } |
| |
| /** |
| * @see MultiOperation |
| */ |
| @Override |
| protected void verify(IModelElement element) throws ModelException { |
| if( element == null ) { |
| error(IModelStatusConstants.NULL_NAME, null); |
| } |
| int elementType = element.getElementType(); |
| if (element == null || !element.exists()) |
| error(IModelStatusConstants.ELEMENT_DOES_NOT_EXIST, element); |
| if (element.isReadOnly()) |
| error(IModelStatusConstants.READ_ONLY, element); |
| if (!(element instanceof ISourceReference)) |
| error(IModelStatusConstants.INVALID_ELEMENT_TYPES, element); |
| if (elementType < IModelElement.TYPE /*|| elementType == IModelElement.INITIALIZER*/) |
| error(IModelStatusConstants.INVALID_ELEMENT_TYPES, element); |
| verifyRenaming(element); |
| } |
| } |