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12c155f5 | 1 | /******************************************************************************* |
60ae41e1 | 2 | * Copyright (c) 2010, 2014 Ericsson |
013a5f1c | 3 | * |
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4 | * All rights reserved. This program and the accompanying materials are |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
013a5f1c | 8 | * |
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9 | * Contributors: |
10 | * Francois Chouinard - Initial API and implementation | |
1169a815 | 11 | * Bernd Hufmann - Implement getParent() |
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12 | *******************************************************************************/ |
13 | ||
14 | package org.eclipse.linuxtools.tmf.ui.project.model; | |
15 | ||
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16 | import java.util.Set; |
17 | ||
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18 | import org.eclipse.core.resources.IProject; |
19 | import org.eclipse.core.resources.IResource; | |
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20 | import org.eclipse.jface.viewers.Viewer; |
21 | import org.eclipse.ui.IMemento; | |
22 | import org.eclipse.ui.navigator.ICommonContentExtensionSite; | |
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23 | import org.eclipse.ui.navigator.IPipelinedTreeContentProvider; |
24 | import org.eclipse.ui.navigator.PipelinedShapeModification; | |
25 | import org.eclipse.ui.navigator.PipelinedViewerUpdate; | |
26 | ||
27 | /** | |
013a5f1c | 28 | * The TMF project content provider for the tree viewer in the project explorer view. |
12c155f5 | 29 | * <p> |
b544077e BH |
30 | * @version 1.0 |
31 | * @author Francois Chouinard | |
12c155f5 | 32 | */ |
013a5f1c | 33 | public class TmfNavigatorContentProvider implements IPipelinedTreeContentProvider { |
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34 | |
35 | // ------------------------------------------------------------------------ | |
36 | // ICommonContentProvider | |
37 | // ------------------------------------------------------------------------ | |
11252342 | 38 | |
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39 | @Override |
40 | public Object[] getElements(Object inputElement) { | |
41 | return null; | |
42 | } | |
43 | ||
44 | @Override | |
45 | public Object getParent(Object element) { | |
1169a815 BH |
46 | if (element instanceof IProject) { |
47 | IProject project = (IProject) element; | |
48 | return project.getParent(); | |
49 | } | |
50 | ||
51 | if (element instanceof TmfTraceFolder) { | |
52 | TmfTraceFolder folder = (TmfTraceFolder) element; | |
53 | // Return the corresponding IProject as parent because from CNF point of view the IProject is the parent. | |
54 | // The IProject is needed e.g. for link with Editor to work correctly. | |
55 | return folder.getParent().getResource(); | |
56 | } | |
57 | ||
58 | if (element instanceof TmfTraceElement) { | |
59 | TmfTraceElement traceElement = (TmfTraceElement) element; | |
60 | return traceElement.getParent(); | |
61 | } | |
62 | ||
63 | if (element instanceof TmfExperimentFolder) { | |
64 | TmfExperimentFolder folder = (TmfExperimentFolder) element; | |
65 | // Return the corresponding IProject as parent because from CNF point of view the IProject is the parent. | |
66 | // The IProject is needed e.g. for link with Editor to work correctly. | |
67 | return folder.getParent().getResource(); | |
68 | } | |
69 | ||
70 | if (element instanceof TmfExperimentElement) { | |
71 | TmfExperimentElement expElement = (TmfExperimentElement) element; | |
72 | return expElement.getParent(); | |
73 | } | |
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74 | return null; |
75 | } | |
76 | ||
77 | @Override | |
78 | public boolean hasChildren(Object element) { | |
79 | if (element instanceof IProject) { | |
80 | IProject project = (IProject) element; | |
81 | return project.isAccessible(); | |
82 | } | |
c068a752 GB |
83 | if (element instanceof TmfProjectModelElement) { |
84 | TmfProjectModelElement modelElement = (TmfProjectModelElement) element; | |
85 | return modelElement.hasChildren(); | |
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86 | } |
87 | return false; | |
88 | } | |
89 | ||
90 | @Override | |
91 | public void dispose() { | |
92 | } | |
93 | ||
94 | @Override | |
95 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
96 | } | |
013a5f1c | 97 | |
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98 | @Override |
99 | public void restoreState(IMemento aMemento) { | |
100 | } | |
013a5f1c | 101 | |
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102 | @Override |
103 | public void saveState(IMemento aMemento) { | |
104 | } | |
105 | ||
106 | @Override | |
107 | public void init(ICommonContentExtensionSite aConfig) { | |
108 | } | |
109 | ||
110 | // ------------------------------------------------------------------------ | |
111 | // ICommonContentProvider - getChildren() | |
112 | // ------------------------------------------------------------------------ | |
11252342 | 113 | |
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114 | @Override |
115 | public synchronized Object[] getChildren(Object parentElement) { | |
116 | ||
117 | // Tracing project level | |
118 | if (parentElement instanceof IProject) { | |
f537c959 PT |
119 | TmfProjectElement element = TmfProjectRegistry.getProject((IProject) parentElement, true); |
120 | return element.getChildren().toArray(); | |
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121 | } |
122 | ||
f537c959 PT |
123 | // Other project model elements |
124 | if (parentElement instanceof ITmfProjectModelElement) { | |
125 | return ((ITmfProjectModelElement) parentElement).getChildren().toArray(); | |
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126 | } |
127 | ||
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128 | return new Object[0]; |
129 | } | |
130 | ||
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131 | // ------------------------------------------------------------------------ |
132 | // IPipelinedTreeContentProvider | |
133 | // ------------------------------------------------------------------------ | |
134 | ||
135 | @Override | |
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136 | public void getPipelinedChildren(Object parent, Set currentChildren) { |
137 | customizeTmfElements(getChildren(parent), currentChildren); | |
138 | } | |
139 | ||
140 | @Override | |
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141 | public void getPipelinedElements(Object input, Set currentElements) { |
142 | customizeTmfElements(getElements(input), currentElements); | |
143 | } | |
144 | ||
145 | /** | |
146 | * Add/replace the ITmfProjectElement to the list of children | |
013a5f1c | 147 | * |
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148 | * @param elements |
149 | * the list returned by getChildren() | |
150 | * @param children | |
151 | * the current children | |
152 | */ | |
abbdd66a AM |
153 | private static void customizeTmfElements(Object[] elements, |
154 | Set<Object> children) { | |
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155 | if (elements != null && children != null) { |
156 | for (Object element : elements) { | |
157 | if (element instanceof ITmfProjectModelElement) { | |
158 | ITmfProjectModelElement tmfElement = (ITmfProjectModelElement) element; | |
159 | IResource resource = tmfElement.getResource(); | |
160 | if (resource != null) { | |
161 | children.remove(resource); | |
162 | } | |
163 | children.add(element); | |
164 | } | |
165 | else if (element != null) { | |
166 | children.add(element); | |
167 | } | |
168 | } | |
169 | } | |
170 | } | |
171 | ||
172 | @Override | |
173 | public Object getPipelinedParent(Object anObject, Object aSuggestedParent) { | |
bfa12ff0 | 174 | return aSuggestedParent; |
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175 | } |
176 | ||
177 | @Override | |
178 | public PipelinedShapeModification interceptAdd(PipelinedShapeModification anAddModification) { | |
bfa12ff0 | 179 | return anAddModification; |
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180 | } |
181 | ||
182 | @Override | |
183 | public PipelinedShapeModification interceptRemove(PipelinedShapeModification aRemoveModification) { | |
184 | return null; | |
185 | } | |
186 | ||
187 | @Override | |
188 | public boolean interceptRefresh(PipelinedViewerUpdate aRefreshSynchronization) { | |
189 | return false; | |
190 | } | |
191 | ||
192 | @Override | |
193 | public boolean interceptUpdate(PipelinedViewerUpdate anUpdateSynchronization) { | |
194 | return false; | |
195 | } | |
12c155f5 | 196 | } |