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comparison dwtx/jface/text/link/ProposalPosition.d @ 129:eb30df5ca28b

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Added JFace Text sources
author Frank Benoit <benoit@tionex.de>
date Sat, 23 Aug 2008 19:10:48 +0200
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128:8df1d4193877 129:eb30df5ca28b
1 /*******************************************************************************
2 * Copyright (c) 2000, 2005 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.jface.text.link.ProposalPosition;
14
15 import dwt.dwthelper.utils;
16
17 import java.util.Arrays;
18
19 import dwtx.jface.text.IDocument;
20 import dwtx.jface.text.contentassist.ICompletionProposal;
21
22 /**
23 * LinkedPosition with added completion proposals.
24 * <p>
25 * Clients may instantiate or extend this class.
26 * </p>
27 *
28 * @since 3.0
29 */
30 public class ProposalPosition : LinkedPosition {
31
32 /**
33 * The proposals
34 */
35 private ICompletionProposal[] fProposals;
36
37 /**
38 * Creates a new instance.
39 *
40 * @param document the document
41 * @param offset the offset of the position
42 * @param length the length of the position
43 * @param sequence the iteration sequence rank
44 * @param proposals the proposals to be shown when entering this position
45 */
46 public ProposalPosition(IDocument document, int offset, int length, int sequence, ICompletionProposal[] proposals) {
47 super(document, offset, length, sequence);
48 fProposals= copy(proposals);
49 }
50
51 /**
52 * Creates a new instance, with no sequence number.
53 *
54 * @param document the document
55 * @param offset the offset of the position
56 * @param length the length of the position
57 * @param proposals the proposals to be shown when entering this position
58 */
59 public ProposalPosition(IDocument document, int offset, int length, ICompletionProposal[] proposals) {
60 super(document, offset, length, LinkedPositionGroup.NO_STOP);
61 fProposals= copy(proposals);
62 }
63
64 /*
65 * @since 3.1
66 */
67 private ICompletionProposal[] copy(ICompletionProposal[] proposals) {
68 if (proposals !is null) {
69 ICompletionProposal[] copy= new ICompletionProposal[proposals.length];
70 System.arraycopy(proposals, 0, copy, 0, proposals.length);
71 return copy;
72 }
73 return null;
74 }
75
76 /*
77 * @see java.lang.Object#equals(java.lang.Object)
78 */
79 public bool equals(Object o) {
80 if (o instanceof ProposalPosition) {
81 if (super.equals(o)) {
82 return Arrays.equals(fProposals, ((ProposalPosition)o).fProposals);
83 }
84 }
85 return false;
86 }
87
88 /**
89 * Returns the proposals attached to this position. The returned array is owned by
90 * this <code>ProposalPosition</code> and may not be modified by clients.
91 *
92 * @return an array of choices, including the initial one. Callers must not
93 * modify it.
94 */
95 public ICompletionProposal[] getChoices() {
96 return fProposals;
97 }
98
99 /*
100 * @see dwtx.jdt.internal.ui.text.link.LinkedPosition#hashCode()
101 */
102 public int hashCode() {
103 return super.hashCode() | (fProposals is null ? 0 : fProposals.hashCode());
104 }
105 }