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1
11 package org.eclipse.jdt.internal.corext.fix;
12
13 import java.util.ArrayList  ;
14 import java.util.List ;
15
16 import org.eclipse.text.edits.MultiTextEdit;
17 import org.eclipse.text.edits.ReplaceEdit;
18 import org.eclipse.text.edits.TextEdit;
19
20 import org.eclipse.core.runtime.CoreException;
21
22 import org.eclipse.swt.graphics.Image;
23
24 import org.eclipse.jface.resource.ImageDescriptor;
25
26 import org.eclipse.jface.text.link.LinkedModeModel;
27 import org.eclipse.jface.text.link.LinkedPosition;
28
29 import org.eclipse.jdt.core.ICompilationUnit;
30 import org.eclipse.jdt.core.dom.ITypeBinding;
31 import org.eclipse.jdt.core.dom.rewrite.ITrackedNodePosition;
32 import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
33
34 import org.eclipse.jdt.internal.corext.codemanipulation.StubUtility;
35
36 import org.eclipse.jdt.ui.JavaElementLabels;
37
38 import org.eclipse.jdt.internal.ui.JavaPlugin;
39 import org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider;
40
41 public class LinkedProposalPositionGroup {
42
43
49 public static abstract class PositionInformation {
50 public abstract int getOffset();
51 public abstract int getLength();
52 public abstract int getSequenceRank();
53 }
54
55 public static class Proposal {
56
57 private String fDisplayString;
58 private Image fImage;
59 private int fRelevance;
60
61 public Proposal(String displayString, Image image, int relevance) {
62 fDisplayString= displayString;
63 fImage= image;
64 fRelevance= relevance;
65 }
66
67 public String getDisplayString() {
68 return fDisplayString;
69 }
70
71 public Image getImage() {
72 return fImage;
73 }
74
75 public int getRelevance() {
76 return fRelevance;
77 }
78
79 public void setImage(Image image) {
80 fImage= image;
81 }
82
83 public String getAdditionalProposalInfo() {
84 return null;
85 }
86
87 public TextEdit computeEdits(int offset, LinkedPosition position, char trigger, int stateMask, LinkedModeModel model) throws CoreException {
88 return new ReplaceEdit(position.getOffset(), position.getLength(), fDisplayString);
89 }
90 }
91
92 public static PositionInformation createPositionInformation(ITrackedNodePosition pos, boolean isFirst) {
93 return new TrackedNodePosition(pos, isFirst);
94 }
95
96 private static class TrackedNodePosition extends PositionInformation {
97
98 private final ITrackedNodePosition fPos;
99 private final boolean fIsFirst;
100
101 public TrackedNodePosition(ITrackedNodePosition pos, boolean isFirst) {
102 fPos= pos;
103 fIsFirst= isFirst;
104 }
105
106 public int getOffset() {
107 return fPos.getStartPosition();
108 }
109
110 public int getLength() {
111 return fPos.getLength();
112 }
113
114 public int getSequenceRank() {
115 return fIsFirst ? 0 : 1;
116 }
117 }
118
119 private static final class JavaLinkedModeProposal extends Proposal {
120 private final ITypeBinding fTypeProposal;
121 private final ICompilationUnit fCompilationUnit;
122
123 public JavaLinkedModeProposal(ICompilationUnit unit, ITypeBinding typeProposal, int relevance) {
124 super(BindingLabelProvider.getBindingLabel(typeProposal, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.ALL_POST_QUALIFIED), null, relevance);
125 fTypeProposal= typeProposal;
126 fCompilationUnit= unit;
127 ImageDescriptor desc= BindingLabelProvider.getBindingImageDescriptor(fTypeProposal, BindingLabelProvider.DEFAULT_IMAGEFLAGS);
128 if (desc != null) {
129 setImage(JavaPlugin.getImageDescriptorRegistry().get(desc));
130 }
131 }
132
133
136 public TextEdit computeEdits(int offset, LinkedPosition position, char trigger, int stateMask, LinkedModeModel model) throws CoreException {
137 ImportRewrite impRewrite= StubUtility.createImportRewrite(fCompilationUnit, true);
138 String replaceString= impRewrite.addImport(fTypeProposal);
139
140 MultiTextEdit composedEdit= new MultiTextEdit();
141 composedEdit.addChild(new ReplaceEdit(position.getOffset(), position.getLength(), replaceString));
142 composedEdit.addChild(impRewrite.rewriteImports(null));
143 return composedEdit;
144 }
145 }
146
147
148 private final String fGroupId;
149 private final List fPositions;
150 private final List fProposals;
151
152
153 public LinkedProposalPositionGroup(String groupID) {
154 fGroupId= groupID;
155 fPositions= new ArrayList ();
156 fProposals= new ArrayList ();
157 }
158
159 public void addPosition(PositionInformation position) {
160 fPositions.add(position);
161 }
162
163 public void addProposal(Proposal proposal) {
164 fProposals.add(proposal);
165 }
166
167
168 public void addPosition(ITrackedNodePosition position, boolean isFirst) {
169 addPosition(createPositionInformation(position, isFirst));
170 }
171
172 public void addProposal(String displayString, Image image, int relevance) {
173 addProposal(new Proposal(displayString, image, relevance));
174 }
175
176 public void addProposal(ITypeBinding type, ICompilationUnit cu, int relevance) {
177 addProposal(new JavaLinkedModeProposal(cu, type, relevance));
178 }
179
180 public String getGroupId() {
181 return fGroupId;
182 }
183
184 public PositionInformation[] getPositions() {
185 return (PositionInformation[])fPositions.toArray(new PositionInformation[fPositions.size()]);
186 }
187
188 public Proposal[] getProposals() {
189 return (Proposal[])fProposals.toArray(new Proposal[fProposals.size()]);
190 }
191
192 }
193 |
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