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Java > Open Source Codes > org > eclipse > ui > internal > ide > model > WorkingSetResourceMapping


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
12 package org.eclipse.ui.internal.ide.model;
13
14 import java.util.ArrayList JavaDoc;
15 import java.util.Arrays JavaDoc;
16 import java.util.HashSet JavaDoc;
17 import java.util.List JavaDoc;
18 import java.util.Set JavaDoc;
19
20 import org.eclipse.core.resources.IProject;
21 import org.eclipse.core.resources.mapping.ModelProvider;
22 import org.eclipse.core.resources.mapping.ResourceMapping;
23 import org.eclipse.core.resources.mapping.ResourceMappingContext;
24 import org.eclipse.core.resources.mapping.ResourceTraversal;
25 import org.eclipse.core.runtime.CoreException;
26 import org.eclipse.core.runtime.IAdaptable;
27 import org.eclipse.core.runtime.IProgressMonitor;
28 import org.eclipse.core.runtime.NullProgressMonitor;
29 import org.eclipse.core.runtime.SubProgressMonitor;
30 import org.eclipse.ui.IWorkingSet;
31
32 /**
33  * A resource mapping for working sets
34  */
35 public class WorkingSetResourceMapping extends ResourceMapping {
36
37     private IWorkingSet set;
38     
39     /**
40      * Create the resource mapping
41      * @param workingSet the working set
42      */
43     public WorkingSetResourceMapping(IWorkingSet workingSet) {
44         set = workingSet;
45     }
46
47     /* (non-Javadoc)
48      * @see org.eclipse.core.resources.mapping.ResourceMapping#getModelObject()
49      */
50     public Object JavaDoc getModelObject() {
51         return set;
52     }
53
54     /* (non-Javadoc)
55      * @see org.eclipse.core.resources.mapping.ResourceMapping#getModelProviderId()
56      */
57     public String JavaDoc getModelProviderId() {
58         return ModelProvider.RESOURCE_MODEL_PROVIDER_ID;
59     }
60
61     /* (non-Javadoc)
62      * @see org.eclipse.core.resources.mapping.ResourceMapping#getProjects()
63      */
64     public IProject[] getProjects() {
65         Set JavaDoc result = new HashSet JavaDoc();
66         ResourceMapping[] mappings = getMappings();
67         for (int i = 0; i < mappings.length; i++) {
68             ResourceMapping mapping = mappings[i];
69             IProject[] projects = mapping.getProjects();
70             for (int j = 0; j < projects.length; j++) {
71                 IProject project = projects[j];
72                 result.add(project);
73             }
74         }
75         return (IProject[]) result.toArray(new IProject[result.size()]);
76     }
77
78     /* (non-Javadoc)
79      * @see org.eclipse.core.resources.mapping.ResourceMapping#getTraversals(org.eclipse.core.resources.mapping.ResourceMappingContext, org.eclipse.core.runtime.IProgressMonitor)
80      */
81     public ResourceTraversal[] getTraversals(ResourceMappingContext context, IProgressMonitor monitor) throws CoreException {
82         if (monitor == null)
83             monitor = new NullProgressMonitor();
84         try {
85             ResourceMapping[] mappings = getMappings();
86             monitor.beginTask("", 100 * mappings.length); //$NON-NLS-1$
87 List JavaDoc result = new ArrayList JavaDoc();
88             for (int i = 0; i < mappings.length; i++) {
89                 ResourceMapping mapping = mappings[i];
90                 result.addAll(Arrays.asList(mapping.getTraversals(context, new SubProgressMonitor(monitor, 100))));
91             }
92             return (ResourceTraversal[]) result.toArray(new ResourceTraversal[result.size()]);
93         } finally {
94             monitor.done();
95         }
96     }
97
98     /**
99      * Return the mappings contained in the set.
100      * @return the mappings contained in the set
101      */
102     private ResourceMapping[] getMappings() {
103         IAdaptable[] elements = set.getElements();
104         List JavaDoc result = new ArrayList JavaDoc();
105         for (int i = 0; i < elements.length; i++) {
106             IAdaptable element = elements[i];
107             ResourceMapping mapping = WorkingSetAdapterFactory.getContributedResourceMapping(element);
108             if (mapping == null) {
109                 mapping = WorkingSetAdapterFactory.getResourceMapping(element);
110             }
111             if (mapping != null) {
112                 result.add(mapping);
113             }
114         }
115         return (ResourceMapping[]) result.toArray(new ResourceMapping[result.size()]);
116     }
117     
118     /* (non-Javadoc)
119      * @see org.eclipse.core.resources.mapping.ResourceMapping#contains(org.eclipse.core.resources.mapping.ResourceMapping)
120      */
121     public boolean contains(ResourceMapping mapping) {
122         ResourceMapping[] mappings = getMappings();
123         for (int i = 0; i < mappings.length; i++) {
124             ResourceMapping childMapping = mappings[i];
125             if (childMapping.contains(mapping)) {
126                 return true;
127             }
128         }
129         return false;
130     }
131
132 }
133
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