Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: f8c58a3ecf50398e8cce001fa888d01a7322b395 (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
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
/*
 * Copyright (c) 2013, 2015 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:
 *    Christian W. Damus (CEA LIST) - initial API and implementation
 */
package org.eclipse.emf.cdo.security.internal.ui.editor;

import org.eclipse.emf.cdo.CDOObject;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.security.Realm;
import org.eclipse.emf.cdo.security.SecurityPackage;
import org.eclipse.emf.cdo.security.internal.ui.bundle.OM;
import org.eclipse.emf.cdo.security.internal.ui.messages.Messages;
import org.eclipse.emf.cdo.ui.CDOEditorInput;
import org.eclipse.emf.cdo.ui.CDOEditorUtil;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.emf.cdo.view.CDOViewTargetChangedEvent;

import org.eclipse.net4j.util.event.IEvent;
import org.eclipse.net4j.util.event.IListener;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.forms.AbstractFormPart;
import org.eclipse.ui.forms.DetailsPart;
import org.eclipse.ui.forms.IFormPart;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.IPartSelectionListener;
import org.eclipse.ui.forms.MasterDetailsBlock;
import org.eclipse.ui.forms.editor.FormEditor;
import org.eclipse.ui.forms.editor.FormPage;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ScrolledForm;

/**
 * The main page of the "Security Manager" form editor.
 *
 * @author Christian W. Damus (CEA LIST)
 */
public class CDOSecurityPage extends FormPage
{
  private static final Object NO_INPUT = new Object();

  private IListener viewTargetListener;

  private Object formInput;

  private IActionBars actionBars;

  CDOSecurityPage(CDOSecurityFormEditor editor)
  {
    super(editor, "securityForm", Messages.CDOSecurityPage_1); //$NON-NLS-1$
  }

  @Override
  public void initialize(FormEditor editor)
  {
    super.initialize(editor);

    viewTargetListener = createViewTargetListener();
    getView().addListener(viewTargetListener);

    actionBars = getEditor().getActionBars();

    CDOResource resource = getEditor().getResource();
    if (resource == null)
    {
      formInput = NO_INPUT;
    }
    else
    {
      formInput = EcoreUtil.getObjectByType(resource.getContents(), SecurityPackage.Literals.REALM);
    }
  }

  @Override
  public CDOSecurityFormEditor getEditor()
  {
    return (CDOSecurityFormEditor)super.getEditor();
  }

  @Override
  protected void createFormContent(IManagedForm managedForm)
  {
    final ScrolledForm form = managedForm.getForm();
    final FormToolkit toolkit = managedForm.getToolkit();
    toolkit.decorateFormHeading(form.getForm());
    form.getToolBarManager().add(createEditAdvancedAction());

    class EmptySelectionForwarder extends AbstractFormPart implements IPartSelectionListener
    {
      private DetailsPart details;

      public void selectionChanged(IFormPart part, ISelection selection)
      {
        if (selection.isEmpty() && details != null)
        {
          forwardEmptySelection();
        }
      }

      void setDetailsPart(DetailsPart detailsPart)
      {
        details = detailsPart;
      }

      void forwardEmptySelection()
      {
        // Show our preferred empty page
        details.selectionChanged(this, new StructuredSelection(EcoreFactory.eINSTANCE.createEObject()));
      }
    }

    final EmptySelectionForwarder emptySelectionForwarder = new EmptySelectionForwarder();
    MasterDetailsBlock masterDetail = new MasterDetailsBlock()
    {
      @Override
      protected void registerPages(DetailsPart detailsPart)
      {
        detailsPart.setPageProvider(EClassDetailsPageProvider.builder(actionBars) //
            .page(SecurityPackage.Literals.GROUP, new GroupDetailsPage(getEditingDomain(), getAdapterFactory())) //
            .page(SecurityPackage.Literals.USER, new UserDetailsPage(getEditingDomain(), getAdapterFactory())) //
            .page(SecurityPackage.Literals.ROLE, new RoleDetailsPage(getEditingDomain(), getAdapterFactory())) //
            .page(EcorePackage.Literals.EOBJECT, new EmptyDetailsPage()) //
            .build());

        emptySelectionForwarder.setDetailsPart(detailsPart);
      }

      @Override
      protected void createToolBarActions(IManagedForm managedForm)
      {
      }

      @Override
      protected void createMasterPart(IManagedForm managedForm, Composite parent)
      {
        Composite body = managedForm.getToolkit().createComposite(parent);
        GridLayout layout = new GridLayout();
        layout.numColumns = 1;
        body.setLayout(layout);

        addSection(new GroupsSection(getEditingDomain(), getAdapterFactory()), managedForm, body);
        addSection(new UsersSection(getEditingDomain(), getAdapterFactory()), managedForm, body);
        addSection(new RolesSection(getEditingDomain(), getAdapterFactory()), managedForm, body);
      }
    };

    form.setText(Messages.CDOSecurityPage_2);
    masterDetail.createContent(managedForm);

    managedForm.setInput(formInput);

    // Initialize the empty selection
    managedForm.addPart(emptySelectionForwarder);
    emptySelectionForwarder.forwardEmptySelection();

    form.updateToolBar();

    if (getEditor().isReadOnly())
    {
      managedForm.getMessageManager().addMessage(this, Messages.CDOSecurityPage_3, null, IMessageProvider.INFORMATION);
    }
    else
    {
      // Check for unsupported security constructs
      checkForUnsupportedModelContent();
    }

    // Update the message manager after the form's contents have been presented to
    // ensure the heading's summary of problems is up-to-date
    Display.getCurrent().asyncExec(new Runnable()
    {
      public void run()
      {
        getManagedForm().getMessageManager().update();
      }
    });
  }

  protected <S extends AbstractSectionPart<?>> S addSection(S section, IManagedForm managedForm, Composite parent)
  {
    section.setEditorActionBars(actionBars);
    managedForm.addPart(section);
    section.createContents(parent);
    return section;
  }

  @Override
  public void dispose()
  {
    try
    {
      CDOView view = getView();

      if (view != null)
      {
        view.removeListener(viewTargetListener);
      }
    }
    finally
    {
      super.dispose();
    }
  }

  protected AdapterFactory getAdapterFactory()
  {
    return getEditor().getAdapterFactory();
  }

  protected EditingDomain getEditingDomain()
  {
    return getEditor().getEditingDomain();
  }

  protected CDOView getView()
  {
    return getEditor().getView();
  }

  protected IListener createViewTargetListener()
  {
    return new IListener()
    {
      protected CDOID inputID;

      public void notifyEvent(IEvent event)
      {
        if (event instanceof CDOViewTargetChangedEvent)
        {
          final CDOViewTargetChangedEvent e = (CDOViewTargetChangedEvent)event;
          getSite().getShell().getDisplay().asyncExec(new Runnable()
          {
            public void run()
            {
              Object input = getManagedForm().getInput();
              if (input == NO_INPUT)
              {
                if (inputID != null)
                {
                  try
                  {
                    CDOObject object = getView().getObject(inputID);
                    getManagedForm().setInput(object);
                    inputID = null;
                  }
                  catch (Exception ex)
                  {
                    // Ignore
                  }
                }
              }
              else if (input instanceof EObject)
              {
                CDOObject object = CDOUtil.getCDOObject((EObject)input);
                if (object.cdoInvalid())
                {
                  if (e.getBranchPoint().getTimeStamp() == e.getOldBranchPoint().getTimeStamp())
                  {
                    inputID = null;
                    closeEditor();
                  }
                  else
                  {
                    inputID = object.cdoID();
                    getManagedForm().setInput(NO_INPUT);
                  }
                }
              }
            }
          });
        }
      }
    };
  }

  protected void closeEditor()
  {
    try
    {
      getSite().getShell().getDisplay().asyncExec(new Runnable()
      {
        public void run()
        {
          try
          {
            getSite().getPage().closeEditor(getEditor(), false);
          }
          catch (Exception e)
          {
            OM.LOG.error(e);
          }
        }
      });
    }
    catch (Exception e)
    {
      OM.LOG.error(e);
    }
  }

  protected void checkForUnsupportedModelContent()
  {
    Object input = getManagedForm().getInput();
    if (!(input instanceof Realm))
    {
      getManagedForm().getMessageManager().addMessage(this, Messages.CDOSecurityPage_4, null, IMessageProvider.ERROR);
    }
  }

  private IAction createEditAdvancedAction()
  {
    return new Action(Messages.CDOSecurityPage_0, ExtendedImageRegistry.getInstance()
        .getImageDescriptor(URI.createPlatformPluginURI(OM.BUNDLE_ID + "/icons/full/elcl16/advanced.gif", true))) //$NON-NLS-1$
    {
      @Override
      public void run()
      {
        try
        {
          IEditorInput newEditorInput = CDOEditorUtil
              .createCDOEditorInputWithEditingDomain((CDOEditorInput)getEditorInput(), getEditingDomain());
          getSite().getPage().openEditor(newEditorInput, CDOEditorUtil.getEditorID(), true,
              IWorkbenchPage.MATCH_INPUT | IWorkbenchPage.MATCH_ID);
        }
        catch (PartInitException e)
        {
          OM.LOG.error(e);
        }
      }
    };
  }
}

Back to the top