Mercurial > projects > dwt-addons
annotate dwtx/jface/fieldassist/SimpleContentProposalProvider.d @ 104:04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
These new wrappers now use the tango.util.containers instead of the tango.util.collections.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 07 Aug 2008 15:01:33 +0200 |
| parents | 46a6e0e6ccd4 |
| children |
| rev | line source |
|---|---|
| 29 | 1 /******************************************************************************* |
|
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46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
29
diff
changeset
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2 * Copyright (c) 2005, 2007 IBM Corporation and others. |
| 29 | 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 | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
29
diff
changeset
|
10 * Amir Kouchekinia <amir@pyrus.us> - bug 200762 |
| 29 | 11 * Port to the D programming language: |
| 12 * Frank Benoit <benoit@tionex.de> | |
| 13 *******************************************************************************/ | |
| 14 module dwtx.jface.fieldassist.SimpleContentProposalProvider; | |
| 15 | |
| 16 import dwtx.jface.fieldassist.IContentProposalProvider; | |
| 17 import dwtx.jface.fieldassist.IContentProposal; | |
| 18 | |
| 19 | |
| 20 import dwt.dwthelper.utils; | |
|
104
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
21 import dwtx.dwtxhelper.Collection; |
| 29 | 22 |
| 23 /** | |
| 24 * SimpleContentProposalProvider is a class designed to map a static list of | |
| 25 * Strings to content proposals. | |
| 26 * | |
| 27 * @see IContentProposalProvider | |
| 28 * @since 3.2 | |
| 29 * | |
| 30 */ | |
| 31 public class SimpleContentProposalProvider : IContentProposalProvider { | |
| 32 | |
| 33 /* | |
| 34 * The proposals provided. | |
| 35 */ | |
| 36 private String[] proposals; | |
| 37 | |
| 38 /* | |
| 39 * The proposals mapped to IContentProposal. Cached for speed in the case | |
| 40 * where filtering is not used. | |
| 41 */ | |
| 42 private IContentProposal[] contentProposals; | |
| 43 | |
| 44 /* | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
29
diff
changeset
|
45 * Boolean that tracks whether filtering is used. |
| 29 | 46 */ |
| 47 private bool filterProposals = false; | |
| 48 | |
| 49 /** | |
| 50 * Construct a SimpleContentProposalProvider whose content proposals are | |
| 51 * always the specified array of Objects. | |
| 52 * | |
| 53 * @param proposals | |
| 54 * the array of Strings to be returned whenever proposals are | |
| 55 * requested. | |
| 56 */ | |
| 57 public this(String[] proposals) { | |
| 58 //super(); | |
| 59 this.proposals = proposals; | |
| 60 } | |
| 61 | |
| 62 /** | |
| 63 * Return an array of Objects representing the valid content proposals for a | |
|
104
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
64 * field. |
| 29 | 65 * |
| 66 * @param contents | |
| 67 * the current contents of the field (only consulted if filtering | |
| 68 * is set to <code>true</code>) | |
| 69 * @param position | |
| 70 * the current cursor position within the field (ignored) | |
| 71 * @return the array of Objects that represent valid proposals for the field | |
| 72 * given its current content. | |
| 73 */ | |
| 74 public IContentProposal[] getProposals(String contents, int position) { | |
| 75 if (filterProposals) { | |
|
104
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
76 ArrayList list = new ArrayList(); |
| 29 | 77 for (int i = 0; i < proposals.length; i++) { |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
29
diff
changeset
|
78 if (proposals[i].length >= contents.length |
| 29 | 79 && proposals[i].substring(0, contents.length) |
| 80 .equalsIgnoreCase(contents)) { | |
|
104
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
81 list.add(cast(Object)makeContentProposal(proposals[i])); |
| 29 | 82 } |
| 83 } | |
|
104
04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
84 return arraycast!(IContentProposal)(list.toArray()); |
| 29 | 85 } |
| 86 if (contentProposals is null) { | |
| 87 contentProposals = new IContentProposal[proposals.length]; | |
| 88 for (int i = 0; i < proposals.length; i++) { | |
| 89 contentProposals[i] = makeContentProposal(proposals[i]); | |
| 90 } | |
| 91 } | |
| 92 return contentProposals; | |
| 93 } | |
| 94 | |
| 95 /** | |
| 96 * Set the Strings to be used as content proposals. | |
| 97 * | |
| 98 * @param items | |
| 99 * the array of Strings to be used as proposals. | |
| 100 */ | |
| 101 public void setProposals(String[] items) { | |
| 102 this.proposals = items; | |
| 103 contentProposals = null; | |
| 104 } | |
| 105 | |
| 106 /** | |
| 107 * Set the bool that controls whether proposals are filtered according to | |
| 108 * the current field content. | |
| 109 * | |
| 110 * @param filterProposals | |
| 111 * <code>true</code> if the proposals should be filtered to | |
| 112 * show only those that match the current contents of the field, | |
| 113 * and <code>false</code> if the proposals should remain the | |
| 114 * same, ignoring the field content. | |
| 115 * @since 3.3 | |
| 116 */ | |
| 117 public void setFiltering(bool filterProposals) { | |
| 118 this.filterProposals = filterProposals; | |
| 119 // Clear any cached proposals. | |
| 120 contentProposals = null; | |
| 121 } | |
| 122 | |
| 123 /* | |
| 124 * Make an IContentProposal for showing the specified String. | |
| 125 */ | |
| 126 private IContentProposal makeContentProposal( String proposal) { | |
| 127 return new class IContentProposal { | |
| 128 String proposal_; | |
| 129 this(){proposal_=proposal;} | |
| 130 public String getContent() { | |
| 131 return proposal_; | |
| 132 } | |
| 133 | |
| 134 public String getDescription() { | |
| 135 return null; | |
| 136 } | |
| 137 | |
| 138 public String getLabel() { | |
| 139 return null; | |
| 140 } | |
| 141 | |
| 142 public int getCursorPosition() { | |
| 143 return proposal_.length; | |
| 144 } | |
| 145 }; | |
| 146 } | |
| 147 } |