Mercurial > projects > dwt-addons
annotate dwtx/jface/text/templates/InclusivePositionUpdater.d @ 140:26688fec6d23
Following dsss compile errors
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 03:23:46 +0200 |
| parents | 7d818bd32d63 |
| children | 75302ef3f92f |
| rev | line source |
|---|---|
| 129 | 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.templates.InclusivePositionUpdater; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.templates.SimpleTemplateVariableResolver; // packageimport |
| 16 import dwtx.jface.text.templates.TemplateBuffer; // packageimport | |
| 17 import dwtx.jface.text.templates.TemplateContext; // packageimport | |
| 18 import dwtx.jface.text.templates.TemplateContextType; // packageimport | |
| 19 import dwtx.jface.text.templates.Template; // packageimport | |
| 20 import dwtx.jface.text.templates.TemplateVariable; // packageimport | |
| 21 import dwtx.jface.text.templates.PositionBasedCompletionProposal; // packageimport | |
| 22 import dwtx.jface.text.templates.TemplateException; // packageimport | |
| 23 import dwtx.jface.text.templates.TemplateTranslator; // packageimport | |
| 24 import dwtx.jface.text.templates.DocumentTemplateContext; // packageimport | |
| 25 import dwtx.jface.text.templates.GlobalTemplateVariables; // packageimport | |
| 26 import dwtx.jface.text.templates.TemplateProposal; // packageimport | |
| 27 import dwtx.jface.text.templates.ContextTypeRegistry; // packageimport | |
| 28 import dwtx.jface.text.templates.JFaceTextTemplateMessages; // packageimport | |
| 29 import dwtx.jface.text.templates.TemplateCompletionProcessor; // packageimport | |
| 30 import dwtx.jface.text.templates.TextTemplateMessages; // packageimport | |
| 31 import dwtx.jface.text.templates.TemplateVariableType; // packageimport | |
| 32 import dwtx.jface.text.templates.TemplateVariableResolver; // packageimport | |
| 33 | |
| 34 | |
| 129 | 35 import dwt.dwthelper.utils; |
| 36 | |
| 37 import dwtx.jface.text.BadPositionCategoryException; | |
| 38 import dwtx.jface.text.DocumentEvent; | |
| 39 import dwtx.jface.text.IPositionUpdater; | |
| 40 import dwtx.jface.text.Position; | |
| 41 | |
| 42 /** | |
| 43 * Position updater that takes any change in [position.offset, position.offset + position.length] as | |
| 44 * belonging to the position. | |
| 45 * | |
| 46 * @since 3.0 | |
| 47 */ | |
| 48 class InclusivePositionUpdater : IPositionUpdater { | |
| 49 | |
| 50 /** The position category. */ | |
| 51 private final String fCategory; | |
| 52 | |
| 53 /** | |
| 54 * Creates a new updater for the given <code>category</code>. | |
| 55 * | |
| 56 * @param category the new category. | |
| 57 */ | |
|
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7d818bd32d63
Fix ctors to this with gvim regexp
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parents:
131
diff
changeset
|
58 public this(String category) { |
| 129 | 59 fCategory= category; |
| 60 } | |
| 61 | |
| 62 /* | |
| 63 * @see dwtx.jface.text.IPositionUpdater#update(dwtx.jface.text.DocumentEvent) | |
| 64 */ | |
| 65 public void update(DocumentEvent event) { | |
| 66 | |
| 67 int eventOffset= event.getOffset(); | |
| 68 int eventOldLength= event.getLength(); | |
| 69 int eventNewLength= event.getText() is null ? 0 : event.getText().length(); | |
| 70 int deltaLength= eventNewLength - eventOldLength; | |
| 71 | |
| 72 try { | |
| 73 Position[] positions= event.getDocument().getPositions(fCategory); | |
| 74 | |
| 75 for (int i= 0; i !is positions.length; i++) { | |
| 76 | |
| 77 Position position= positions[i]; | |
| 78 | |
| 79 if (position.isDeleted()) | |
| 80 continue; | |
| 81 | |
| 82 int offset= position.getOffset(); | |
| 83 int length= position.getLength(); | |
| 84 int end= offset + length; | |
| 85 | |
| 86 if (offset > eventOffset + eventOldLength) | |
| 87 // position comes way | |
| 88 // after change - shift | |
| 89 position.setOffset(offset + deltaLength); | |
| 90 else if (end < eventOffset) { | |
| 91 // position comes way before change - | |
| 92 // leave alone | |
| 93 } else if (offset <= eventOffset && end >= eventOffset + eventOldLength) { | |
| 94 // event completely internal to the position - adjust length | |
| 95 position.setLength(length + deltaLength); | |
| 96 } else if (offset < eventOffset) { | |
| 97 // event extends over end of position - adjust length | |
| 98 int newEnd= eventOffset + eventNewLength; | |
| 99 position.setLength(newEnd - offset); | |
| 100 } else if (end > eventOffset + eventOldLength) { | |
| 101 // event extends from before position into it - adjust offset | |
| 102 // and length | |
| 103 // offset becomes end of event, length adjusted accordingly | |
| 104 // we want to recycle the overlapping part | |
| 105 position.setOffset(eventOffset); | |
| 106 int deleted= eventOffset + eventOldLength - offset; | |
| 107 position.setLength(length - deleted + eventNewLength); | |
| 108 } else { | |
| 109 // event consumes the position - delete it | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
133
diff
changeset
|
110 position.delete_(); |
| 129 | 111 } |
| 112 } | |
| 113 } catch (BadPositionCategoryException e) { | |
| 114 // ignore and return | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 /** | |
| 119 * Returns the position category. | |
| 120 * | |
| 121 * @return the position category | |
| 122 */ | |
| 123 public String getCategory() { | |
| 124 return fCategory; | |
| 125 } | |
| 126 | |
| 127 } |