Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: 8a27d46ffb880a136f7d18959a72846918d0627b (plain) (blame)
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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
/*
 * Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Eike Stepper - initial API and implementation
 */
package org.eclipse.emf.cdo.ui.ide;

import org.eclipse.emf.cdo.CDOObject;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.model.CDOPackageRegistry;
import org.eclipse.emf.cdo.eresource.CDOResourceNode;
import org.eclipse.emf.cdo.team.IRepositoryProject;
import org.eclipse.emf.cdo.ui.ide.CommonNavigatorUtils.MessageType;
import org.eclipse.emf.cdo.ui.internal.ide.bundle.OM;
import org.eclipse.emf.cdo.ui.internal.ide.messages.Messages;
import org.eclipse.emf.cdo.view.CDOView;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;

import org.eclipse.core.runtime.PlatformObject;

import java.util.ArrayList;
import java.util.List;

/**
 * {@link org.eclipse.core.runtime.IAdaptable Adaptable} abstraction for an UI representation of basic CDO concepts.
 * 
 * @author Eike Stepper
 */
public abstract class Node extends PlatformObject
{
  private static final Object[] EMPTY = {};

  private IRepositoryProject repositoryProject;

  public Node(IRepositoryProject repositoryProject)
  {
    this.repositoryProject = repositoryProject;
  }

  public IRepositoryProject getRepositoryProject()
  {
    return repositoryProject;
  }

  public abstract String getText();

  public abstract String getImageKey();

  public Object[] getChildren()
  {
    return EMPTY;
  }

  public Object getParent()
  {
    return repositoryProject.getProject();
  }

  public abstract Type getType();

  /**
   * Differentiates kinds of {@link org.eclipse.emf.cdo.ui.ide.Node nodes}
   * 
   * @author Eike Stepper
   */
  public static enum Type
  {
    BRANCH, PACKAGES, RESOURCES, SESSIONS
  }

  /**
   * Convenience UI object to represent a {@link org.eclipse.emf.cdo.common.branch.CDOBranch branch}
   * 
   * @author Victor Roldan Betancort
   */
  public static final class BranchNode extends Node
  {
    private CDOBranch branch;

    public BranchNode(IRepositoryProject repositoryProject, CDOBranch branch)
    {
      super(repositoryProject);
      this.branch = branch;
    }

    public CDOBranch getBranch()
    {
      return branch;
    }

    @Override
    public Type getType()
    {
      return Type.BRANCH;
    }

    @Override
    public String getText()
    {
      return branch.getName();
    }

    @Override
    public String getImageKey()
    {
      return OM.BRANCH_ICON;
    }

    @Override
    public Object[] getChildren()
    {
      if (!getRepositoryProject().getView().getSession().getRepositoryInfo().isSupportingBranches())
      {
        return CommonNavigatorUtils.createMessageProviderChild(Messages.getString("Node.1"), //$NON-NLS-1$
            MessageType.INFO);
      }

      CDOBranch[] branches = branch.getBranches();
      BranchNode[] nodes = new BranchNode[branches.length];
      for (int i = 0; i < branches.length; i++)
      {
        nodes[i] = new BranchNode(getRepositoryProject(), branches[i]);
      }

      return nodes;
    }

    @Override
    public Object getParent()
    {
      if (branch.isMainBranch())
      {
        return getRepositoryProject();
      }

      return branch.getBase().getBranch();
    }
  }

  /**
   * Convenience UI object to represent the {@link org.eclipse.emf.cdo.common.model.CDOPackageRegistry
   * CDOPackageRegistry}
   * 
   * @author Eike Stepper
   */
  public static final class PackagesNode extends Node
  {
    public PackagesNode(IRepositoryProject repositoryProject)
    {
      super(repositoryProject);
    }

    @Override
    public Type getType()
    {
      return Type.PACKAGES;
    }

    @Override
    public String getText()
    {
      return Messages.getString("Node.2"); //$NON-NLS-1$
    }

    @Override
    public String getImageKey()
    {
      return "icons/full/obj16/Packages.gif"; //$NON-NLS-1$
    }

    @Override
    public EPackage[] getChildren()
    {
      CDOPackageRegistry packageRegistry = getRepositoryProject().getView().getSession().getPackageRegistry();
      List<EPackage> children = new ArrayList<EPackage>();
      for (String nsURI : packageRegistry.keySet())
      {
        try
        {
          EPackage ePackage = packageRegistry.getEPackage(nsURI);
          children.add(ePackage);
        }
        catch (org.eclipse.emf.cdo.common.util.CDOException ex)
        {
          // Generated packages could not be locally available
          OM.LOG.error(ex);
        }
      }

      return children.toArray(new EPackage[children.size()]);
    }
  }

  /**
   * Convenience UI object to represent the {@link org.eclipse.emf.cdo.eresource.CDOResourceNode CDOResourceNode}
   * 
   * @author Eike Stepper
   */
  public static final class ResourcesNode extends Node
  {
    public ResourcesNode(IRepositoryProject repositoryProject)
    {
      super(repositoryProject);
    }

    @Override
    public Type getType()
    {
      return Type.RESOURCES;
    }

    @Override
    public String getText()
    {
      return Messages.getString("Node.4"); //$NON-NLS-1$
    }

    @Override
    public String getImageKey()
    {
      return "icons/full/obj16/Resources.gif"; //$NON-NLS-1$
    }

    @SuppressWarnings("rawtypes")
    @Override
    public Object getAdapter(Class adapter)
    {
      if (adapter.equals(CDOObject.class))
      {
        return getRepositoryProject().getView().getRootResource();
      }

      return super.getAdapter(adapter);
    }

    @Override
    public CDOResourceNode[] getChildren()
    {
      CDOView view = getRepositoryProject().getView();
      List<CDOResourceNode> children = new ArrayList<CDOResourceNode>();
      for (EObject resourceNode : view.getRootResource().getContents())
      {
        if (resourceNode instanceof CDOResourceNode)
        {
          children.add((CDOResourceNode)resourceNode);
        }
      }

      return children.toArray(new CDOResourceNode[children.size()]);
    }
  }

  /**
   * Convenience UI object to represent the {@link org.eclipse.emf.cdo.session.CDOSession CDOSession}
   * 
   * @author Eike Stepper
   */
  public static final class SessionsNode extends Node
  {
    public SessionsNode(IRepositoryProject repositoryProject)
    {
      super(repositoryProject);
    }

    @Override
    public Type getType()
    {
      return Type.SESSIONS;
    }

    @Override
    public String getText()
    {
      return Messages.getString("Node.0"); //$NON-NLS-1$
    }

    @Override
    public String getImageKey()
    {
      return "icons/full/obj16/Sessions.gif"; //$NON-NLS-1$
    }
  }

}

Back to the top