|
1
11 package org.eclipse.jdt.internal.ui.text.java;
12
13 import java.util.Collection  ;
14 import java.util.Set ;
15
16 import org.eclipse.core.runtime.Assert;
17 import org.eclipse.core.runtime.CoreException;
18
19 import org.eclipse.jface.text.BadLocationException;
20 import org.eclipse.jface.text.IDocument;
21 import org.eclipse.jface.text.IRegion;
22 import org.eclipse.jface.text.TextUtilities;
23 import org.eclipse.jface.text.contentassist.ICompletionProposalExtension4;
24
25 import org.eclipse.jdt.core.Flags;
26 import org.eclipse.jdt.core.IField;
27 import org.eclipse.jdt.core.IMethod;
28 import org.eclipse.jdt.core.IType;
29 import org.eclipse.jdt.core.JavaModelException;
30 import org.eclipse.jdt.core.Signature;
31 import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
32 import org.eclipse.jdt.core.formatter.CodeFormatter;
33
34 import org.eclipse.jdt.internal.corext.codemanipulation.CodeGenerationSettings;
35 import org.eclipse.jdt.internal.corext.codemanipulation.GetterSetterUtil;
36 import org.eclipse.jdt.internal.corext.util.CodeFormatterUtil;
37 import org.eclipse.jdt.internal.corext.util.JdtFlags;
38 import org.eclipse.jdt.internal.corext.util.Messages;
39 import org.eclipse.jdt.internal.corext.util.Strings;
40
41 import org.eclipse.jdt.internal.ui.JavaPluginImages;
42 import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings;
43
44 public class GetterSetterCompletionProposal extends JavaTypeCompletionProposal implements ICompletionProposalExtension4 {
45
46 public static void evaluateProposals(IType type, String prefix, int offset, int length, int relevance, Set suggestedMethods, Collection result) throws CoreException {
47 if (prefix.length() == 0) {
48 relevance--;
49 }
50
51 IField[] fields= type.getFields();
52 IMethod[] methods= type.getMethods();
53 for (int i= 0; i < fields.length; i++) {
54 IField curr= fields[i];
55 if (!JdtFlags.isEnum(curr)) {
56 String getterName= GetterSetterUtil.getGetterName(curr, null);
57 if (getterName.startsWith(prefix) && !hasMethod(methods, getterName) && suggestedMethods.add(getterName)) {
58 result.add(new GetterSetterCompletionProposal(curr, offset, length, true, relevance));
59 }
60
61 String setterName= GetterSetterUtil.getSetterName(curr, null);
62 if (setterName.startsWith(prefix) && !hasMethod(methods, setterName) && suggestedMethods.add(setterName)) {
63 result.add(new GetterSetterCompletionProposal(curr, offset, length, false, relevance));
64 }
65 }
66 }
67 }
68
69 private static boolean hasMethod(IMethod[] methods, String name) {
70 for (int i= 0; i < methods.length; i++) {
71 if (methods[i].getElementName().equals(name)) {
72 return true;
73 }
74 }
75 return false;
76 }
77
78 private final IField fField;
79 private final boolean fIsGetter;
80
81 public GetterSetterCompletionProposal(IField field, int start, int length, boolean isGetter, int relevance) throws JavaModelException {
82 super("", field.getCompilationUnit(), start, length, JavaPluginImages.get(JavaPluginImages.IMG_MISC_PUBLIC), getDisplayName(field, isGetter), relevance); Assert.isNotNull(field);
84
85 fField= field;
86 fIsGetter= isGetter;
87 setProposalInfo(new ProposalInfo(field));
88 }
89
90 private static String getDisplayName(IField field, boolean isGetter) throws JavaModelException {
91 StringBuffer buf= new StringBuffer ();
92 if (isGetter) {
93 buf.append(GetterSetterUtil.getGetterName(field, null));
94 buf.append("() "); buf.append(Signature.toString(field.getTypeSignature()));
96 buf.append(" - "); buf.append(Messages.format(JavaTextMessages.GetterSetterCompletionProposal_getter_label, field.getElementName()));
98 } else {
99 buf.append(GetterSetterUtil.getSetterName(field, null));
100 buf.append('(').append(Signature.toString(field.getTypeSignature())).append(')');
101 buf.append(" "); buf.append(Signature.toString(Signature.SIG_VOID));
103 buf.append(" - "); buf.append(Messages.format(JavaTextMessages.GetterSetterCompletionProposal_setter_label, field.getElementName()));
105 }
106 return buf.toString();
107 }
108
109
112 protected boolean updateReplacementString(IDocument document, char trigger, int offset, ImportRewrite impRewrite) throws CoreException, BadLocationException {
113
114 CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(fField.getJavaProject());
115 boolean addComments= settings.createComments;
116 int flags= Flags.AccPublic | (fField.getFlags() & Flags.AccStatic);
117
118 String stub;
119 if (fIsGetter) {
120 String getterName= GetterSetterUtil.getGetterName(fField, null);
121 stub= GetterSetterUtil.getGetterStub(fField, getterName, addComments, flags);
122 } else {
123 String setterName= GetterSetterUtil.getSetterName(fField, null);
124 stub= GetterSetterUtil.getSetterStub(fField, setterName, addComments, flags);
125 }
126
127 String lineDelim= TextUtilities.getDefaultLineDelimiter(document);
129
130 IRegion region= document.getLineInformationOfOffset(getReplacementOffset());
131 int lineStart= region.getOffset();
132 int indent= Strings.computeIndentUnits(document.get(lineStart, getReplacementOffset() - lineStart), settings.tabWidth, settings.indentWidth);
133
134 String replacement= CodeFormatterUtil.format(CodeFormatter.K_CLASS_BODY_DECLARATIONS, stub, indent, null, lineDelim, fField.getJavaProject());
135
136 if (replacement.endsWith(lineDelim)) {
137 replacement= replacement.substring(0, replacement.length() - lineDelim.length());
138 }
139
140 setReplacementString(Strings.trimLeadingTabsAndSpaces(replacement));
141 return true;
142 }
143
144
147 public boolean isAutoInsertable() {
148 return false;
149 }
150 }
151
152 |
Popular Tags |
Java API By Example, From Geeks To Geeks.