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1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2011 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 | *******************************************************************************/ | |
11 | package org.eclipse.jdt.internal.ui.util; | |
12 | ||
13 | import org.eclipse.swt.graphics.Image; | |
14 | ||
15 | import org.eclipse.jface.resource.ImageDescriptor; | |
16 | import org.eclipse.jface.viewers.LabelProvider; | |
17 | ||
18 | import org.eclipse.jdt.core.Flags; | |
19 | import org.eclipse.jdt.core.IPackageFragmentRoot; | |
20 | import org.eclipse.jdt.core.search.TypeNameMatch; | |
21 | ||
22 | import org.eclipse.jdt.ui.JavaElementImageDescriptor; | |
23 | import org.eclipse.jdt.ui.JavaElementLabels; | |
24 | ||
25 | import org.eclipse.jdt.internal.ui.JavaPlugin; | |
26 | import org.eclipse.jdt.internal.ui.JavaPluginImages; | |
27 | import org.eclipse.jdt.internal.ui.JavaUIMessages; | |
28 | import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; | |
29 | import org.eclipse.jdt.internal.ui.viewsupport.JavaElementImageProvider; | |
30 | ||
31 | public class TypeNameMatchLabelProvider extends LabelProvider { | |
32 | ||
33 | public static final int SHOW_FULLYQUALIFIED= 0x01; | |
34 | public static final int SHOW_PACKAGE_POSTFIX= 0x02; | |
35 | public static final int SHOW_PACKAGE_ONLY= 0x04; | |
36 | public static final int SHOW_ROOT_POSTFIX= 0x08; | |
37 | public static final int SHOW_TYPE_ONLY= 0x10; | |
38 | public static final int SHOW_TYPE_CONTAINER_ONLY= 0x20; | |
39 | public static final int SHOW_POST_QUALIFIED= 0x40; | |
40 | ||
41 | private int fFlags; | |
42 | ||
43 | public TypeNameMatchLabelProvider(int flags) { | |
44 | fFlags= flags; | |
45 | } | |
46 | ||
47 | /* non java-doc | |
48 | * @see ILabelProvider#getText | |
49 | */ | |
50 | @Override | |
51 | public String getText(Object element) { | |
52 | if (! (element instanceof TypeNameMatch)) | |
53 | return super.getText(element); | |
54 | ||
55 | return getText((TypeNameMatch) element, fFlags); | |
56 | } | |
57 | ||
58 | /* non java-doc | |
59 | * @see ILabelProvider#getImage | |
60 | */ | |
61 | @Override | |
62 | public Image getImage(Object element) { | |
63 | if (! (element instanceof TypeNameMatch)) | |
64 | return super.getImage(element); | |
65 | return getImage((TypeNameMatch) element, fFlags); | |
66 | } | |
67 | ||
68 | private static boolean isSet(int flag, int flags) { | |
69 | return (flags & flag) != 0; | |
70 | } | |
71 | ||
72 | private static String getPackageName(String packName) { | |
73 | if (packName.length() == 0) | |
74 | return JavaUIMessages.TypeInfoLabelProvider_default_package; | |
75 | else | |
76 | return packName; | |
77 | } | |
78 | ||
79 | public static String getText(TypeNameMatch typeRef, int flags) { | |
80 | StringBuffer buf= new StringBuffer(); | |
81 | if (isSet(SHOW_TYPE_ONLY, flags)) { | |
82 | buf.append(typeRef.getSimpleTypeName()); | |
83 | } else if (isSet(SHOW_TYPE_CONTAINER_ONLY, flags)) { | |
84 | String containerName= typeRef.getTypeContainerName(); | |
85 | buf.append(getPackageName(containerName)); | |
86 | } else if (isSet(SHOW_PACKAGE_ONLY, flags)) { | |
87 | String packName= typeRef.getPackageName(); | |
88 | buf.append(getPackageName(packName)); | |
89 | } else { | |
90 | if (isSet(SHOW_FULLYQUALIFIED, flags)) { | |
91 | buf.append(typeRef.getFullyQualifiedName()); | |
92 | } else if (isSet(SHOW_POST_QUALIFIED, flags)) { | |
93 | buf.append(typeRef.getSimpleTypeName()); | |
94 | String containerName= typeRef.getTypeContainerName(); | |
95 | if (containerName != null && containerName.length() > 0) { | |
96 | buf.append(JavaElementLabels.CONCAT_STRING); | |
97 | buf.append(containerName); | |
98 | } | |
99 | } else { | |
100 | buf.append(typeRef.getTypeQualifiedName()); | |
101 | } | |
102 | ||
103 | if (isSet(SHOW_PACKAGE_POSTFIX, flags)) { | |
104 | buf.append(JavaElementLabels.CONCAT_STRING); | |
105 | String packName= typeRef.getPackageName(); | |
106 | buf.append(getPackageName(packName)); | |
107 | } | |
108 | } | |
109 | if (isSet(SHOW_ROOT_POSTFIX, flags)) { | |
110 | buf.append(JavaElementLabels.CONCAT_STRING); | |
111 | IPackageFragmentRoot root= typeRef.getPackageFragmentRoot(); | |
112 | JavaElementLabels.getPackageFragmentRootLabel(root, JavaElementLabels.ROOT_QUALIFIED, buf); | |
113 | } | |
114 | return BasicElementLabels.getJavaElementName(buf.toString()); | |
115 | } | |
116 | ||
117 | ||
118 | public static ImageDescriptor getImageDescriptor(TypeNameMatch typeRef, int flags) { | |
119 | if (isSet(SHOW_TYPE_CONTAINER_ONLY, flags)) { | |
120 | if (typeRef.getPackageName().equals(typeRef.getTypeContainerName())) | |
121 | return JavaPluginImages.DESC_OBJS_PACKAGE; | |
122 | ||
123 | // XXX cannot check outer type for interface efficiently (5887) | |
124 | return JavaPluginImages.DESC_OBJS_CLASS; | |
125 | ||
126 | } else if (isSet(SHOW_PACKAGE_ONLY, flags)) { | |
127 | return JavaPluginImages.DESC_OBJS_PACKAGE; | |
128 | } else { | |
129 | boolean isInner= typeRef.getTypeContainerName().indexOf('.') != -1; | |
130 | int modifiers= typeRef.getModifiers(); | |
131 | ||
132 | ImageDescriptor desc= JavaElementImageProvider.getTypeImageDescriptor(isInner, false, modifiers, false); | |
133 | int adornmentFlags= 0; | |
134 | if (Flags.isFinal(modifiers)) { | |
135 | adornmentFlags |= JavaElementImageDescriptor.FINAL; | |
136 | } | |
137 | if (Flags.isAbstract(modifiers) && !Flags.isInterface(modifiers)) { | |
138 | adornmentFlags |= JavaElementImageDescriptor.ABSTRACT; | |
139 | } | |
140 | if (Flags.isStatic(modifiers)) { | |
141 | adornmentFlags |= JavaElementImageDescriptor.STATIC; | |
142 | } | |
143 | if (Flags.isDeprecated(modifiers)) { | |
144 | adornmentFlags |= JavaElementImageDescriptor.DEPRECATED; | |
145 | } | |
146 | ||
147 | return new JavaElementImageDescriptor(desc, adornmentFlags, JavaElementImageProvider.BIG_SIZE); | |
148 | } | |
149 | } | |
150 | ||
151 | public static Image getImage(TypeNameMatch typeRef, int flags) { | |
152 | return JavaPlugin.getImageDescriptorRegistry().get(getImageDescriptor(typeRef, flags)); | |
153 | } | |
154 | ||
155 | ||
156 | } |