blob: d26dfaf4a69b4c5637dca57b41310283ea5529aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.ui;
import com.android.ide.common.resources.ResourceFile;
import com.android.ide.common.resources.ResourceItem;
import com.android.ide.common.resources.ResourceRepository;
import com.android.resources.ResourceType;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* Content provider for the Resource Explorer TreeView.
* Each level of the tree is represented by a different class.
* <ul>
* <li>{@link ResourceType}. This represents the list of existing Resource Type present
* in the resources. This can be matched to the subclasses inside the class <code>R</code>
* </li>
* <ul>
* <li>{@link ResourceItem}. This represents one resource (which can existing in various alternate
* versions). This is similar to the resource Ids defined as <code>R.sometype.id</code>.
* </li>
* <ul>
* <li>{@link ResourceFile}. (optional) This represents a particular version of the
* {@link ResourceItem}. It is displayed as a list of resource qualifier.
* </li>
* </ul>
* </ul>
* </ul>
*
* @see ResourceLabelProvider
*/
public class ResourceContentProvider implements ITreeContentProvider {
/**
* The current ProjectResources being displayed.
*/
private ResourceRepository mResources;
private boolean mFullLevels;
/**
* Constructs a new content providers for resource display.
* @param fullLevels if <code>true</code> the content provider will suppport all 3 levels. If
* <code>false</code>, only two levels are provided.
*/
public ResourceContentProvider(boolean fullLevels) {
mFullLevels = fullLevels;
}
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof ResourceType) {
Object[] array = mResources.getResourceItemsOfType(
(ResourceType)parentElement).toArray();
Arrays.sort(array);
return array;
} else if (mFullLevels && parentElement instanceof ResourceItem) {
return ((ResourceItem)parentElement).getSourceFileArray();
}
return null;
}
@Override
public Object getParent(Object element) {
// pass
return null;
}
@Override
public boolean hasChildren(Object element) {
if (element instanceof ResourceType) {
return mResources.hasResourcesOfType((ResourceType)element);
} else if (mFullLevels && element instanceof ResourceItem) {
return ((ResourceItem)element).hasAlternates();
}
return false;
}
@Override
public Object[] getElements(Object inputElement) {
if (inputElement instanceof ResourceRepository) {
if ((ResourceRepository)inputElement == mResources) {
// get the top level resources.
List<ResourceType> types = mResources.getAvailableResourceTypes();
Collections.sort(types);
return types.toArray();
}
}
return new Object[0];
}
@Override
public void dispose() {
// pass
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (newInput instanceof ResourceRepository) {
mResources = (ResourceRepository)newInput;
}
}
}
|
