| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.text.link; |
| |
| import java.util.Arrays; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| |
| /** |
| * LinkedPosition with added completion proposals. |
| * <p> |
| * Clients may instantiate or extend this class. |
| * </p> |
| * |
| * @since 3.0 |
| */ |
| public class ProposalPosition extends LinkedPosition { |
| |
| /** |
| * The proposals |
| */ |
| private ICompletionProposal[] fProposals; |
| |
| /** |
| * Creates a new instance. |
| * |
| * @param document the document |
| * @param offset the offset of the position |
| * @param length the length of the position |
| * @param sequence the iteration sequence rank |
| * @param proposals the proposals to be shown when entering this position |
| */ |
| public ProposalPosition(IDocument document, int offset, int length, int sequence, ICompletionProposal[] proposals) { |
| super(document, offset, length, sequence); |
| fProposals= copy(proposals); |
| } |
| |
| /** |
| * Creates a new instance, with no sequence number. |
| * |
| * @param document the document |
| * @param offset the offset of the position |
| * @param length the length of the position |
| * @param proposals the proposals to be shown when entering this position |
| */ |
| public ProposalPosition(IDocument document, int offset, int length, ICompletionProposal[] proposals) { |
| super(document, offset, length, LinkedPositionGroup.NO_STOP); |
| fProposals= copy(proposals); |
| } |
| |
| /* |
| * @since 3.1 |
| */ |
| private ICompletionProposal[] copy(ICompletionProposal[] proposals) { |
| if (proposals != null) { |
| ICompletionProposal[] copy= new ICompletionProposal[proposals.length]; |
| System.arraycopy(proposals, 0, copy, 0, proposals.length); |
| return copy; |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o instanceof ProposalPosition) { |
| if (super.equals(o)) { |
| return Arrays.equals(fProposals, ((ProposalPosition)o).fProposals); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the proposals attached to this position. The returned array is owned by |
| * this <code>ProposalPosition</code> and may not be modified by clients. |
| * |
| * @return an array of choices, including the initial one. Callers must not |
| * modify it. |
| */ |
| public ICompletionProposal[] getChoices() { |
| return fProposals; |
| } |
| |
| @Override |
| public int hashCode() { |
| return super.hashCode() | (fProposals == null ? 0 : fProposals.hashCode()); |
| } |
| } |