diff options
Diffstat (limited to 'plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/decorators/ReadOnly.java')
-rw-r--r-- | plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/decorators/ReadOnly.java | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/decorators/ReadOnly.java b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/decorators/ReadOnly.java new file mode 100644 index 0000000..0bb3c20 --- /dev/null +++ b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/decorators/ReadOnly.java | |||
@@ -0,0 +1,107 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2006 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.yocto.bc.ui.decorators; | ||
12 | |||
13 | import java.net.URL; | ||
14 | |||
15 | import org.eclipse.core.resources.IResource; | ||
16 | import org.eclipse.core.resources.ResourceAttributes; | ||
17 | import org.eclipse.core.runtime.Path; | ||
18 | import org.eclipse.core.runtime.Platform; | ||
19 | import org.eclipse.jface.resource.ImageDescriptor; | ||
20 | import org.eclipse.jface.viewers.IDecoration; | ||
21 | import org.eclipse.jface.viewers.ILabelProviderListener; | ||
22 | import org.eclipse.jface.viewers.ILightweightLabelDecorator; | ||
23 | |||
24 | /** | ||
25 | * An example showing how to control when an element is decorated. This example | ||
26 | * decorates only elements that are instances of IResource and whose attribute | ||
27 | * is 'Read-only'. | ||
28 | * | ||
29 | * @see ILightweightLabelDecorator | ||
30 | */ | ||
31 | public class ReadOnly implements ILightweightLabelDecorator { | ||
32 | /** | ||
33 | * String constants for the various icon placement options from the template | ||
34 | * wizard. | ||
35 | */ | ||
36 | public static final String TOP_RIGHT = "TOP_RIGHT"; | ||
37 | |||
38 | public static final String TOP_LEFT = "TOP_LEFT"; | ||
39 | |||
40 | public static final String BOTTOM_RIGHT = "BOTTOM_RIGHT"; | ||
41 | |||
42 | public static final String BOTTOM_LEFT = "BOTTOM_LEFT"; | ||
43 | |||
44 | public static final String UNDERLAY = "UNDERLAY"; | ||
45 | |||
46 | /** The integer value representing the placement options */ | ||
47 | private int quadrant; | ||
48 | |||
49 | /** The icon image location in the project folder */ | ||
50 | private String iconPath = "icons/read_only.gif"; //NON-NLS-1 | ||
51 | |||
52 | /** | ||
53 | * The image description used in | ||
54 | * <code>addOverlay(ImageDescriptor, int)</code> | ||
55 | */ | ||
56 | private ImageDescriptor descriptor; | ||
57 | |||
58 | /* (non-Javadoc) | ||
59 | * @see org.eclipse.jface.viewers.ILightweightLabelDecorator#decorate(java.lang.Object, org.eclipse.jface.viewers.IDecoration) | ||
60 | */ | ||
61 | public void decorate(Object element, IDecoration decoration) { | ||
62 | /** | ||
63 | * Checks that the element is an IResource with the 'Read-only' attribute | ||
64 | * and adds the decorator based on the specified image description and the | ||
65 | * integer representation of the placement option. | ||
66 | */ | ||
67 | IResource resource = (IResource) element; | ||
68 | ResourceAttributes attrs = resource.getResourceAttributes(); | ||
69 | if(attrs!=null) { | ||
70 | if (attrs.isReadOnly()){ | ||
71 | URL url = Platform.find( | ||
72 | Platform.getBundle("org.yocto.bc.ui"), new Path(iconPath)); //NON-NLS-1 | ||
73 | |||
74 | if (url == null) | ||
75 | return; | ||
76 | descriptor = ImageDescriptor.createFromURL(url); | ||
77 | quadrant = IDecoration.TOP_RIGHT; | ||
78 | decoration.addOverlay(descriptor,quadrant); | ||
79 | } | ||
80 | } | ||
81 | } | ||
82 | |||
83 | /* (non-Javadoc) | ||
84 | * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) | ||
85 | */ | ||
86 | public void addListener(ILabelProviderListener listener) { | ||
87 | } | ||
88 | |||
89 | /* (non-Javadoc) | ||
90 | * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() | ||
91 | */ | ||
92 | public void dispose() { | ||
93 | } | ||
94 | |||
95 | /* (non-Javadoc) | ||
96 | * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String) | ||
97 | */ | ||
98 | public boolean isLabelProperty(Object element, String property) { | ||
99 | return false; | ||
100 | } | ||
101 | |||
102 | /* (non-Javadoc) | ||
103 | * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) | ||
104 | */ | ||
105 | public void removeListener(ILabelProviderListener listener) { | ||
106 | } | ||
107 | } \ No newline at end of file | ||