HierarchyViewPreferencePage


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7    *  "License"); you may not use this file except in compliance
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10   *    http://www.apache.org/licenses/LICENSE-2.0
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13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
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20  
21  package org.apache.directory.ldapstudio.schemas.view.preferences;
22  
23  
24  import org.apache.directory.ldapstudio.schemas.Activator;
25  import org.apache.directory.ldapstudio.schemas.Messages;
26  import org.apache.directory.ldapstudio.schemas.PluginConstants;
27  import org.eclipse.jface.preference.IPreferenceStore;
28  import org.eclipse.jface.preference.PreferencePage;
29  import org.eclipse.swt.SWT;
30  import org.eclipse.swt.events.SelectionAdapter;
31  import org.eclipse.swt.events.SelectionEvent;
32  import org.eclipse.swt.events.VerifyEvent;
33  import org.eclipse.swt.events.VerifyListener;
34  import org.eclipse.swt.layout.GridData;
35  import org.eclipse.swt.layout.GridLayout;
36  import org.eclipse.swt.widgets.Button;
37  import org.eclipse.swt.widgets.Combo;
38  import org.eclipse.swt.widgets.Composite;
39  import org.eclipse.swt.widgets.Control;
40  import org.eclipse.swt.widgets.Group;
41  import org.eclipse.swt.widgets.Label;
42  import org.eclipse.swt.widgets.Text;
43  import org.eclipse.ui.IWorkbench;
44  import org.eclipse.ui.IWorkbenchPreferencePage;
45  
46  
47  /**
48   * This class implements the Preference page for the Hierarchy View
49   * 
50   * @author <a HREF="mailto:dev@directory.apache.org">Apache Directory Project</a>
51   * @version $Rev$, $Date$
52   */
53  public class HierarchyViewPreferencePage extends PreferencePage implements IWorkbenchPreferencePage
54  {
55      /** The preference page ID */
56      public static final String   ID = Activator.PLUGIN_ID + ".preferences.hierarchyView"; //$NON-NLS-1$
57  
58      /** The First Name category */
59      private static final String   FIRST_NAME = Messages.getString( "HierarchyViewPreferencePage.First_Name" ); //$NON-NLS-1$
60  
61      /** The All Aliases category */
62      private static final String   ALL_ALIASES = Messages.getString( "HierarchyViewPreferencePage.All_Aliases" ); //$NON-NLS-1$
63  
64      /** The OID category */
65      private static final String   OID = Messages.getString( "HierarchyViewPreferencePage.OID" ); //$NON-NLS-1$
66  
67      // UI fields
68      private Combo labelCombo;
69      private Button limitButton;
70      private Text lengthText;
71      private Button secondaryLabelButtonDisplay;
72      private Combo secondaryLabelCombo;
73      private Button secondaryLabelLimitButton;
74      private Text secondaryLabelLengthText;
75  
76  
77      /**
78       * Creates a new instance of HierarchyViewPreferencePage.
79       */
80      public HierarchyViewPreferencePage()
81      {
82          super();
83          super.setPreferenceStore( Activator.getDefault().getPreferenceStore() );
84          super
85              .setDescription( Messages
86                  .getString( "HierarchyViewPreferencePage.General_settings_for_the_Hierarchy_View_of_the_Schemas_Editor_Plugin" ) ); //$NON-NLS-1$
87      }
88  
89  
90      /* (non-Javadoc)
91       * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
92       */
93      protected Control createContents( Composite parent )
94      {
95          Composite composite = new Composite( parent, SWT.NONE );
96          GridLayout gl = new GridLayout( 1, false );
97          gl.marginHeight = gl.marginWidth = 0;
98          composite.setLayout( gl );
99          GridData gd = new GridData( GridData.FILL_HORIZONTAL );
100         gd.horizontalSpan = 1;
101         composite.setLayoutData( gd );
102 
103         // Label Group
104         Group labelGroup = new Group( composite, SWT.NONE );
105         labelGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
106         labelGroup.setText( Messages.getString( "HierarchyViewPreferencePage.Label" ) ); //$NON-NLS-1$
107         labelGroup.setLayout( new GridLayout() );
108         Composite labelGroupComposite = new Composite( labelGroup, SWT.NONE );
109         gl = new GridLayout( 1, false );
110         gl.marginHeight = gl.marginWidth = 0;
111         labelGroupComposite.setLayout( gl );
112         labelGroupComposite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
113 
114         // Label row composite
115         Composite labelComposite = new Composite( labelGroupComposite, SWT.NONE );
116         gl = new GridLayout( 3, false );
117         gl.marginHeight = gl.marginWidth = 0;
118         labelComposite.setLayout( gl );
119         gd = new GridData( GridData.FILL_HORIZONTAL );
120         gd.horizontalSpan = 1;
121         labelComposite.setLayoutData( gd );
122 
123         // Use Label
124         Label useLabel = new Label( labelComposite, SWT.NONE );
125         useLabel.setText( Messages.getString( "HierarchyViewPreferencePage.Use" ) ); //$NON-NLS-1$
126 
127         // Label Combo
128         labelCombo = new Combo( labelComposite, SWT.DROP_DOWN | SWT.READ_ONLY | SWT.BORDER );
129         labelCombo.setLayoutData( new GridData() );
130         labelCombo.setItems( new String  []
131             { FIRST_NAME, ALL_ALIASES, OID } );
132         labelCombo.setEnabled( true );
133 
134         // As label Label
135         Label asLabel = new Label( labelComposite, SWT.NONE );
136         asLabel.setText( Messages.getString( "HierarchyViewPreferencePage.as_label." ) ); //$NON-NLS-1$
137 
138         // Abbreviate row composite
139         Composite abbreviateComposite = new Composite( labelGroupComposite, SWT.NONE );
140         gl = new GridLayout( 3, false );
141         gl.marginHeight = gl.marginWidth = 0;
142         abbreviateComposite.setLayout( gl );
143         gd = new GridData( GridData.FILL_HORIZONTAL );
144         gd.horizontalSpan = 1;
145         abbreviateComposite.setLayoutData( gd );
146 
147         // Limit label lenght to Label
148         limitButton = new Button( abbreviateComposite, SWT.CHECK );
149         limitButton.setText( Messages.getString( "HierarchyViewPreferencePage.Limit_label_length_to" ) ); //$NON-NLS-1$
150         gd = new GridData();
151         gd.horizontalSpan = 1;
152         limitButton.setLayoutData( gd );
153 
154         // Lenght Text
155         lengthText = new Text( abbreviateComposite, SWT.NONE | SWT.BORDER );
156         GridData gridData = new GridData();
157         gridData.horizontalSpan = 1;
158         gridData.widthHint = 9 * 3;
159         lengthText.setLayoutData( gridData );
160         lengthText.setTextLimit( 3 );
161         lengthText.addVerifyListener( new VerifyListener()
162         {
163             public void verifyText( VerifyEvent e )
164             {
165                 if ( !e.text.matches( "[0-9]*" ) ) //$NON-NLS-1$
166                 {
167                     e.doit = false;
168                 }
169                 if ( "".equals( lengthText.getText() ) && e.text.matches( "[0]" ) ) //$NON-NLS-1$ //$NON-NLS-2$
170                 {
171                     e.doit = false;
172                 }
173             }
174         } );
175 
176         // Characters Label
177         Label charactersLabel = new Label( abbreviateComposite, SWT.NONE );
178         charactersLabel.setText( Messages.getString( "HierarchyViewPreferencePage.characters." ) ); //$NON-NLS-1$
179 
180         // Secondary Label Group
181         Group secondaryLabelGroup = new Group( composite, SWT.NONE );
182         secondaryLabelGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
183         secondaryLabelGroup.setText( Messages.getString( "HierarchyViewPreferencePage.Secondary_label" ) ); //$NON-NLS-1$
184         secondaryLabelGroup.setLayout( new GridLayout() );
185         Composite secondaryLabelGroupComposite = new Composite( secondaryLabelGroup, SWT.NONE );
186         gl = new GridLayout( 1, false );
187         gl.marginHeight = gl.marginWidth = 0;
188         secondaryLabelGroupComposite.setLayout( gl );
189         secondaryLabelGroupComposite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
190 
191         secondaryLabelButtonDisplay = new Button( secondaryLabelGroupComposite, SWT.CHECK );
192         secondaryLabelButtonDisplay.setText( Messages
193             .getString( "HierarchyViewPreferencePage.Display_secondary_label." ) ); //$NON-NLS-1$
194 
195         // Label row composite
196         Composite secondaryLabelComposite = new Composite( secondaryLabelGroupComposite, SWT.NONE );
197         gl = new GridLayout( 3, false );
198         gl.marginHeight = gl.marginWidth = 0;
199         secondaryLabelComposite.setLayout( gl );
200         gd = new GridData( GridData.FILL_HORIZONTAL );
201         gd.horizontalSpan = 1;
202         secondaryLabelComposite.setLayoutData( gd );
203 
204         // Use Label
205         Label useLabel2 = new Label( secondaryLabelComposite, SWT.NONE );
206         useLabel2.setText( Messages.getString( "HierarchyViewPreferencePage.Use" ) ); //$NON-NLS-1$
207 
208         // Label Combo
209         secondaryLabelCombo = new Combo( secondaryLabelComposite, SWT.DROP_DOWN | SWT.READ_ONLY | SWT.BORDER );
210         secondaryLabelCombo.setLayoutData( new GridData() );
211         secondaryLabelCombo.setItems( new String  []
212             { FIRST_NAME, ALL_ALIASES, OID } );
213         secondaryLabelCombo.setEnabled( true );
214 
215         // As label Label
216         Label asLabel2 = new Label( secondaryLabelComposite, SWT.NONE );
217         asLabel2.setText( Messages.getString( "HierarchyViewPreferencePage.as_secondary_label." ) ); //$NON-NLS-1$
218 
219         // Abbreviate row composite
220         Composite abbreviateComposite2 = new Composite( secondaryLabelGroup, SWT.NONE );
221         gl = new GridLayout( 3, false );
222         gl.marginHeight = gl.marginWidth = 0;
223         abbreviateComposite2.setLayout( gl );
224         gd = new GridData( GridData.FILL_HORIZONTAL );
225         gd.horizontalSpan = 1;
226         abbreviateComposite2.setLayoutData( gd );
227 
228         // Limit label lenght to Label
229         secondaryLabelLimitButton = new Button( abbreviateComposite2, SWT.CHECK );
230         secondaryLabelLimitButton.setText( Messages
231             .getString( "HierarchyViewPreferencePage.Limit_secondary_label_length_to" ) ); //$NON-NLS-1$
232         gd = new GridData();
233         gd.horizontalSpan = 1;
234         secondaryLabelLimitButton.setLayoutData( gd );
235 
236         // Lenght Text
237         secondaryLabelLengthText = new Text( abbreviateComposite2, SWT.NONE | SWT.BORDER );
238         gridData = new GridData();
239         gridData.horizontalSpan = 1;
240         gridData.widthHint = 9 * 3;
241         secondaryLabelLengthText.setLayoutData( gridData );
242         secondaryLabelLengthText.setTextLimit( 3 );
243         secondaryLabelLengthText.addVerifyListener( new VerifyListener()
244         {
245             public void verifyText( VerifyEvent e )
246             {
247                 if ( !e.text.matches( "[0-9]*" ) ) //$NON-NLS-1$
248                 {
249                     e.doit = false;
250                 }
251                 if ( "".equals( secondaryLabelLengthText.getText() ) && e.text.matches( "[0]" ) ) //$NON-NLS-1$ //$NON-NLS-2$
252                 {
253                     e.doit = false;
254                 }
255             }
256         } );
257 
258         // Characters Label
259         Label secondaryLabelcharactersLabel = new Label( abbreviateComposite2, SWT.NONE );
260         secondaryLabelcharactersLabel.setText( Messages.getString( "HierarchyViewPreferencePage.characters." ) ); //$NON-NLS-1$
261 
262         initFieldsFromPreferences();
263 
264         initListeners();
265 
266         applyDialogFont( parent );
267 
268         return parent;
269     }
270 
271 
272     /**
273      * Initializes the fields from the preferences store.
274      */
275     private void initFieldsFromPreferences()
276     {
277         IPreferenceStore store = Activator.getDefault().getPreferenceStore();
278 
279         labelCombo.select( store.getInt( PluginConstants.PREFS_HIERARCHY_VIEW_LABEL ) );
280         limitButton.setSelection( store.getBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE ) );
281         lengthText.setEnabled( limitButton.getSelection() );
282         lengthText.setText( store.getString( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE_MAX_LENGTH ) );
283 
284         secondaryLabelButtonDisplay.setSelection( store
285             .getBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_DISPLAY ) );
286         secondaryLabelCombo.select( store.getInt( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL ) );
287         secondaryLabelLimitButton.setSelection( store
288             .getBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE ) );
289         secondaryLabelLengthText.setText( store
290             .getString( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE_MAX_LENGTH ) );
291         if ( store.getBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_DISPLAY ) )
292         {
293             secondaryLabelCombo.setEnabled( true );
294             secondaryLabelLimitButton.setEnabled( true );
295             secondaryLabelLengthText.setEnabled( secondaryLabelLimitButton.getSelection() );
296         }
297         else
298         {
299             secondaryLabelCombo.setEnabled( false );
300             secondaryLabelLimitButton.setEnabled( false );
301             secondaryLabelLengthText.setEnabled( false );
302         }
303     }
304 
305 
306     /**
307      * Initializes the listeners.
308      */
309     private void initListeners()
310     {
311         limitButton.addSelectionListener( new SelectionAdapter()
312         {
313             public void widgetSelected( SelectionEvent e )
314             {
315                 lengthText.setEnabled( limitButton.getSelection() );
316             }
317         } );
318 
319         secondaryLabelButtonDisplay.addSelectionListener( new SelectionAdapter()
320         {
321             public void widgetSelected( SelectionEvent e )
322             {
323                 if ( secondaryLabelButtonDisplay.getSelection() )
324                 {
325                     secondaryLabelCombo.setEnabled( true );
326                     secondaryLabelLimitButton.setEnabled( true );
327                     secondaryLabelLengthText.setEnabled( secondaryLabelLimitButton.getSelection() );
328                 }
329                 else
330                 {
331                     secondaryLabelCombo.setEnabled( false );
332                     secondaryLabelLimitButton.setEnabled( false );
333                     secondaryLabelLengthText.setEnabled( false );
334                 }
335             }
336         } );
337 
338         secondaryLabelLimitButton.addSelectionListener( new SelectionAdapter()
339         {
340             public void widgetSelected( SelectionEvent e )
341             {
342                 secondaryLabelLengthText.setEnabled( secondaryLabelLimitButton.getSelection() );
343             }
344         } );
345     }
346 
347 
348     /* (non-Javadoc)
349      * @see org.eclipse.jface.preference.PreferencePage#performDefaults()
350      */
351     protected void performDefaults()
352     {
353         IPreferenceStore store = Activator.getDefault().getPreferenceStore();
354 
355         labelCombo.select( store.getDefaultInt( PluginConstants.PREFS_HIERARCHY_VIEW_LABEL ) );
356         limitButton.setSelection( store.getDefaultBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE ) );
357         lengthText.setEnabled( limitButton.getSelection() );
358         lengthText.setText( store.getDefaultString( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE_MAX_LENGTH ) );
359 
360         secondaryLabelButtonDisplay.setSelection( store
361             .getDefaultBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_DISPLAY ) );
362         secondaryLabelCombo.select( store.getDefaultInt( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL ) );
363         secondaryLabelLimitButton.setSelection( store
364             .getDefaultBoolean( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE ) );
365         secondaryLabelLengthText.setText( store
366             .getDefaultString( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE_MAX_LENGTH ) );
367 
368         if ( secondaryLabelButtonDisplay.getSelection() )
369         {
370             secondaryLabelCombo.setEnabled( true );
371             secondaryLabelLimitButton.setEnabled( true );
372             secondaryLabelLengthText.setEnabled( secondaryLabelLimitButton.getSelection() );
373         }
374         else
375         {
376             secondaryLabelCombo.setEnabled( false );
377             secondaryLabelLimitButton.setEnabled( false );
378             secondaryLabelLengthText.setEnabled( false );
379         }
380 
381         super.performDefaults();
382     }
383 
384 
385     /* (non-Javadoc)
386      * @see org.eclipse.jface.preference.PreferencePage#performOk()
387      */
388     public boolean performOk()
389     {
390         IPreferenceStore store = Activator.getDefault().getPreferenceStore();
391 
392         if ( labelCombo.getItem( labelCombo.getSelectionIndex() ).equals( FIRST_NAME ) )
393         {
394             store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_LABEL,
395                 PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_FIRST_NAME );
396         }
397         else if ( labelCombo.getItem( labelCombo.getSelectionIndex() ).equals( ALL_ALIASES ) )
398         {
399             store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_LABEL,
400                 PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_ALL_ALIASES );
401         }
402         else if ( labelCombo.getItem( labelCombo.getSelectionIndex() ).equals( OID ) )
403         {
404             store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_LABEL, PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_OID );
405         }
406         store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE, limitButton.getSelection() );
407         store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_ABBREVIATE_MAX_LENGTH, lengthText.getText() );
408 
409         store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_DISPLAY, secondaryLabelButtonDisplay
410             .getSelection() );
411         if ( secondaryLabelCombo.getItem( secondaryLabelCombo.getSelectionIndex() ).equals( FIRST_NAME ) )
412         {
413             store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL,
414                 PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_FIRST_NAME );
415         }
416         else if ( secondaryLabelCombo.getItem( secondaryLabelCombo.getSelectionIndex() ).equals( ALL_ALIASES ) )
417         {
418             store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL,
419                 PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_ALL_ALIASES );
420         }
421         else if ( secondaryLabelCombo.getItem( secondaryLabelCombo.getSelectionIndex() ).equals( OID ) )
422         {
423             store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL,
424                 PluginConstants.PREFS_HIERARCHY_VIEW_LABEL_OID );
425         }
426         store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE, secondaryLabelLimitButton
427             .getSelection() );
428         store.setValue( PluginConstants.PREFS_HIERARCHY_VIEW_SECONDARY_LABEL_ABBREVIATE_MAX_LENGTH,
429             secondaryLabelLengthText.getText() );
430 
431         return true;
432     }
433 
434 
435     /* (non-Javadoc)
436      * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
437      */
438     public void init( IWorkbench workbench )
439     {
440     }
441 }
442
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