Example usage for org.eclipse.jface.databinding.viewers ObservableListContentProvider ObservableListContentProvider

List of usage examples for org.eclipse.jface.databinding.viewers ObservableListContentProvider ObservableListContentProvider

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Introduction

In this page you can find the example usage for org.eclipse.jface.databinding.viewers ObservableListContentProvider ObservableListContentProvider.

Prototype

public ObservableListContentProvider()

Source Link

Document

Constructs an ObservableListContentProvider.

Usage

From source file:com.trivadis.loganalysis.ui.ChartCustomizationPanel.java

License:Open Source License

private TableViewer tableSeries(final Composite section, final FormToolkit toolkit) {
    final Table table = toolkit.createTable(section, SWT.NONE);
    table.setLayoutData(new GridDataBuilder().fill().build());
    final TableViewer tableViewer = new TableViewer(table);
    final TableViewerColumn viewerNameColumn = new TableViewerColumn(tableViewer, SWT.NONE);
    viewerNameColumn.getColumn().setWidth(300);

    viewerNameColumn.setLabelProvider(new CellLabelProvider() {
        @Override//from w  w w  . j ava 2 s  .c o m
        public void update(final ViewerCell cell) {
            cell.setText(calculateLabel((Serie) cell.getElement()));
        }

        private String calculateLabel(final Serie serie) {
            return serie.getLabel() + " (" + serie.getXaxis().getValueProvider().getLabel() + " / "
                    + serie.getYaxis().getValueProvider().getLabel() + ")";
        }
    });
    tableViewer.setContentProvider(new ObservableListContentProvider());
    tableViewer.setInput(series);
    return tableViewer;
}

From source file:cz.robotron.examples.parts._003_TableWithViewerSupport.java

License:Open Source License

@PostConstruct
public void createComposite(Composite parent) {
    try {/*from ww w . j av a2 s  . c om*/

        GridLayout gl_parent = new GridLayout();
        parent.setLayout(gl_parent);

        WritableList input = new WritableList(TestData.getPersonData(), Person.class);

        _tableViewer = new TableViewer(parent, SWT.BORDER | SWT.FULL_SELECTION);
        Table table = _tableViewer.getTable();
        table.setHeaderVisible(true);

        // Set content Provider
        ObservableListContentProvider contentProvider = new ObservableListContentProvider();
        _tableViewer.setContentProvider(contentProvider);

        table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

        _tableViewer.setInput(input);
        String[] propertyNames = new String[] { "lastName", "firstName", "address.street", "address.city" };

        createTableColumns(_tableViewer, propertyNames);
        ViewerSupport.bind(_tableViewer, input, BeanProperties.values(propertyNames));

    } catch (Exception e) {
        Utils.showException("Cannot create ViewerSupport for a Table", e);
    }

}

From source file:de.fkoeberle.autocommit.message.ui.AdvancedPage.java

License:Open Source License

/**
 * Create contents of the editor part./* ww  w .j a  v a  2 s  .c o m*/
 * 
 * @param parent
 */
@Override
public void createFormContent(IManagedForm managedForm) {
    super.createFormContent(managedForm);
    FormToolkit toolkit = managedForm.getToolkit();
    ScrolledForm scrolledForm = managedForm.getForm();
    Composite body = scrolledForm.getBody();
    toolkit.decorateFormHeading(scrolledForm.getForm());
    toolkit.paintBordersFor(body);

    scrolledForm.setText("Advanced");
    Composite parent = scrolledForm.getBody();
    parent.setLayout(new FillLayout(SWT.HORIZONTAL));
    Composite container = toolkit.createComposite(parent);
    container.setLayout(new GridLayout(1, false));

    Composite header = toolkit.createComposite(container);
    header.setLayout(new GridLayout(2, false));

    Label generateLabel = toolkit.createLabel(header, "Generate:");
    generateLabel.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));

    final ComboViewer comboViewer = new ComboViewer(header, SWT.READ_ONLY);
    final Combo combo = comboViewer.getCombo();
    toolkit.adapt(combo, true, true);

    GridData comboLayoutData = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1);
    comboLayoutData.widthHint = 315;
    combo.setLayoutData(comboLayoutData);
    comboViewer.addSelectionChangedListener(new ComboSelectionListener(combo, comboViewer));

    comboViewer.setContentProvider(new ObservableListContentProvider());
    comboViewer.setLabelProvider(new DefaultProfileLabelProvider());
    comboViewer.setInput(model.getProfiles());

    ProfileComboBoxUpdater profileComboBoxUpdater = new ProfileComboBoxUpdater(comboViewer);
    model.addCurrentProfileListener(new ProfileComboBoxUpdater(comboViewer));
    profileComboBoxUpdater.currentProfileChanged();

    SashForm sashForm = new SashForm(container, SWT.NONE);
    sashForm.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    toolkit.adapt(sashForm, false, false);

    Section leftSection = managedForm.getToolkit().createSection(sashForm, Section.TWISTIE | Section.TITLE_BAR);
    managedForm.getToolkit().paintBordersFor(leftSection);
    leftSection.setText("Used commit message factories:");

    Composite leftComposite = managedForm.getToolkit().createComposite(leftSection, SWT.NONE);
    managedForm.getToolkit().paintBordersFor(leftComposite);
    leftSection.setClient(leftComposite);
    leftComposite.setLayout(new GridLayout(1, false));

    final TableViewer usedFactoriesTableViewer = new TableViewer(leftComposite, SWT.BORDER | SWT.MULTI);
    usedFactoriesTable = usedFactoriesTableViewer.getTable();
    usedFactoriesTable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    usedFactoriesTableViewer.setContentProvider(new ObservableListContentProvider());
    usedFactoriesTableViewer.setLabelProvider(new FactoryLabelProvider());
    usedFactoriesTableViewer.setInput(model.getFactoryDescriptions());

    Section middleSection = managedForm.getToolkit().createSection(sashForm,
            Section.TWISTIE | Section.TITLE_BAR);
    managedForm.getToolkit().paintBordersFor(middleSection);
    middleSection.setText("Unused commit message factories:");

    Composite middleComposite = managedForm.getToolkit().createComposite(middleSection, SWT.NONE);
    managedForm.getToolkit().paintBordersFor(middleComposite);
    middleSection.setClient(middleComposite);
    middleComposite.setLayout(new GridLayout(1, false));

    TableViewer unusedFactoriesTableViewer = new TableViewer(middleComposite, SWT.BORDER | SWT.MULTI);
    unusedFactoriesTable = unusedFactoriesTableViewer.getTable();
    unusedFactoriesTable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    unusedFactoriesTableViewer.setContentProvider(new ObservableListContentProvider());
    unusedFactoriesTableViewer.setLabelProvider(new FactoryLabelProvider());
    unusedFactoriesTableViewer.setInput(model.getUnusedFactoryDescriptions());

    addDragAndDropSupport(usedFactoriesTableViewer, unusedFactoriesTableViewer);

    usedFactoriesTableViewer.addSelectionChangedListener(new FactoriesSelectionListener(CMFList.USED,
            usedFactoriesTableViewer, unusedFactoriesTableViewer, toolkit));
    unusedFactoriesTableViewer.addSelectionChangedListener(new FactoriesSelectionListener(CMFList.UNUSED,
            unusedFactoriesTableViewer, usedFactoriesTableViewer, toolkit));

    Section rightSection = managedForm.getToolkit().createSection(sashForm,
            Section.TWISTIE | Section.TITLE_BAR);
    managedForm.getToolkit().paintBordersFor(rightSection);
    rightSection.setText("Selected commit message factories:");

    Composite rightComposite = managedForm.getToolkit().createComposite(rightSection, SWT.NONE);
    managedForm.getToolkit().paintBordersFor(rightComposite);
    rightSection.setClient(rightComposite);
    rightComposite.setLayout(new GridLayout(1, false));

    final ScrolledComposite scrolledComposite = new ScrolledComposite(rightComposite,
            SWT.V_SCROLL | SWT.BORDER);
    scrolledComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    toolkit.adapt(scrolledComposite);
    factoriesComposite = new Composite(scrolledComposite, SWT.NONE);
    scrolledComposite.setContent(factoriesComposite);
    toolkit.adapt(factoriesComposite);
    GridLayout layout = new GridLayout();
    layout.numColumns = 1;
    factoriesComposite.setLayout(layout);
    scrolledComposite.addControlListener(new ControlAdapter() {
        @Override
        public void controlResized(ControlEvent e) {
            Rectangle r = scrolledComposite.getClientArea();
            factoriesComposite.setSize(factoriesComposite.computeSize(r.width, SWT.DEFAULT));
            factoriesComposite.layout();
        }
    });
    scrolledComposite.setAlwaysShowScrollBars(true);
    sashForm.setWeights(new int[] { 180, 180, 350 });
    /*
     * Expand after generating it's content so that content gets properly
     * shown:
     */
    leftSection.setExpanded(true);
    middleSection.setExpanded(true);
    rightSection.setExpanded(true);
}

From source file:de.quamoco.qm.properties.AnnotatedElementAnnotationsSection.java

License:Apache License

/** Creates the {@link TableViewer}. */
@Override/*from w  w w .j  a  v  a 2 s  .  c  o m*/
protected void createValue(Composite composite) {
    tableViewer = new TableViewer(composite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);
    tableViewer.setContentProvider(new ObservableListContentProvider());

    createColumn(QmPackage.eINSTANCE.getAnnotation_Key());
    createColumn(QmPackage.eINSTANCE.getAnnotation_Value());
    setUpTable();
}

From source file:de.walware.ecommons.emf.ui.forms.EObjectListProperty.java

License:Open Source License

@Override
public void create(final Composite parent, final IEFFormPage page) {
    fWidget = page.getToolkit().createPropSingleColumnTable(parent, 10, 25);

    fWidget.viewer.setContentProvider(new ObservableListContentProvider());
    fWidget.viewer.setLabelProvider(new LabelProvider(page.getEditor().getAdapterFactory(), fWidget.viewer));

    fButtonGroup = new ButtonGroup<EObject>(parent);
    fButtonGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));

    customizeButtonGroup(fButtonGroup);//from  w w w  .j  a  v a 2s . com
}

From source file:de.walware.ecommons.ui.mpbv.ManageBookmarksDialog.java

License:Open Source License

@Override
protected Control createDialogArea(final Composite parent) {
    final Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    composite.setLayout(LayoutUtil.createDialogGrid(2));

    {//from   w ww.j av a  2 s. com
        fTableViewer = new TableViewer(composite);
        fTableViewer.setUseHashlookup(true);
        final GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
        gd.widthHint = LayoutUtil.hintWidth(fTableViewer.getTable(), 60);
        gd.heightHint = LayoutUtil.hintHeight(fTableViewer.getTable(), 20);
        fTableViewer.getControl().setLayoutData(gd);

        fTableViewer.setLabelProvider(new LabelProvider());
    }

    fButtons = new ButtonGroup<BrowserBookmark>(composite) {
        @Override
        protected BrowserBookmark edit1(final BrowserBookmark item, final boolean newItem,
                final Object parent) {
            final EditBookmarkDialog dialog = new EditBookmarkDialog(getShell(), item);
            if (dialog.open() == Dialog.OK) {
                return dialog.getBookmark();
            }
            return null;
        }

        @Override
        public void updateState() {
            super.updateState();
            getButton(IDialogConstants.OPEN_ID)
                    .setEnabled(((IStructuredSelection) fTableViewer.getSelection()).size() == 1);
        }
    };
    fButtons.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
    fButtons.addAddButton(null);
    fButtons.addEditButton(null);
    fButtons.addDeleteButton(null);
    fButtons.addSeparator();
    fButtons.addUpButton(null);
    fButtons.addDownButton(null);

    final WritableList writableList = new WritableList(fBookmarks, BrowserBookmark.class);
    fTableViewer.setContentProvider(new ObservableListContentProvider());
    fTableViewer.setInput(writableList);
    fButtons.connectTo(fTableViewer, writableList, null);
    ViewerUtil.scheduleStandardSelection(fTableViewer);

    applyDialogFont(composite);
    return composite;
}

From source file:de.walware.statet.r.internal.console.ui.launching.RConsoleOptionsTab.java

License:Open Source License

@Override
protected void addBindings(final DataBindingContext dbc, final Realm realm) {
    fPinValue = new WritableValue(realm, Boolean.class);
    dbc.bindValue(SWTObservables.observeSelection(fPinControl), fPinValue, null, null);

    fTrackingList = new WritableList(realm, new ArrayList<Object>(), TrackingConfiguration.class);
    fTrackingTable.setContentProvider(new ObservableListContentProvider());
    fTrackingTable.setInput(fTrackingList);

    fStartupSnippetValue = new WritableValue(realm, String.class);
    dbc.bindValue(new SnippetEditorObservable(realm, fStartupSnippetEditor, SWT.Modify), fStartupSnippetValue,
            null, null);/*w  ww  .  j a  v a2 s . c om*/

    fRHelpByStatetValue = new WritableValue(realm, Boolean.class);
    fRGraphicsByStatetValue = new WritableValue(realm, Boolean.class);
    fRDbgExtValue = new WritableValue(realm, Boolean.class);
    dbc.bindValue(SWTObservables.observeSelection(fRHelpByStatetControl), fRHelpByStatetValue, null, null);
    dbc.bindValue(SWTObservables.observeSelection(fRGraphicsByStatetControl), fRGraphicsByStatetValue, null,
            null);
    dbc.bindValue(SWTObservables.observeSelection(fRDbgExtControl), fRDbgExtValue, null, null);

    fObjectDBEnabledValue = new WritableValue(realm, Boolean.class);
    fObjectDBAutoEnabledValue = new WritableValue(realm, Boolean.class);
    fObjectDBListsChildrenValue = new WritableValue(realm, Integer.class);
    fObjectDBEnvsChildrenValue = new WritableValue(realm, Integer.class);
    final ISWTObservableValue dbObs = SWTObservables.observeSelection(fObjectDBEnabledControl);
    dbc.bindValue(dbObs, fObjectDBEnabledValue, null, null);
    dbc.bindValue(SWTObservables.observeSelection(fObjectDBAutoEnabledControl), fObjectDBAutoEnabledValue, null,
            null);
    dbc.bindValue(SWTObservables.observeText(fObjectDBListsChildrenControl, SWT.Modify),
            fObjectDBListsChildrenValue,
            new UpdateValueStrategy().setAfterGetValidator(new IntegerValidator(100, Integer.MAX_VALUE,
                    "Invalid max value for length of R lists to fetch (100-).")),
            null);
    dbc.bindValue(SWTObservables.observeText(fObjectDBEnvsChildrenControl, SWT.Modify),
            fObjectDBEnvsChildrenValue, new UpdateValueStrategy().setAfterGetValidator(new IntegerValidator(100,
                    Integer.MAX_VALUE, "Invalid max value for length of R environments to fetch (100-).")),
            null);

    dbc.bindValue(new SWTMultiEnabledObservable(realm, new Control[] { fObjectDBAutoEnabledControl,
            fObjectDBEnvsChildrenControl, fObjectDBListsChildrenControl, }, null), dbObs, null, null);

    fTrackingButtons.connectTo(fTrackingTable,
            new DataAdapter.ListAdapter<TrackingConfiguration>(fTrackingList, null) {
                @Override
                public boolean isDeleteAllowed(final Object element) {
                    return (super.isDeleteAllowed(element)
                            && ((TrackingConfiguration) element).getId().startsWith(CUSTOM_TRACKING_ID_PREFIX));
                }
            });

    fTrackingEnabledSet = new WritableSet(realm, new HashSet<Object>(), TrackingConfiguration.class);
    fTrackingButtons.setCheckedModel(fTrackingEnabledSet);
    dbc.bindSet(ViewersObservables.observeCheckedElements(fTrackingTable, TrackingConfiguration.class),
            fTrackingEnabledSet);
}

From source file:de.walware.statet.rtm.base.ui.rexpr.RExprListProperty.java

License:Open Source License

@Override
public void create(final Composite parent, final IEFFormPage page) {
    final IRExprTypesUIProvider provider = getProvider();
    fTypeUIAdapters = provider.getUIAdapters(fTypes, getEClass(), getEFeature());
    final RtFormToolkit toolkit = (RtFormToolkit) page.getToolkit();

    toolkit.createPropLabel(parent, getLabel(), getTooltip(), 3);

    fWidget = toolkit.createPropSingleColumnTable(parent, 6, 25);

    fWidget.viewer.setContentProvider(new ObservableListContentProvider());
    final ViewerColumn column = fWidget.getViewerColumn(0);
    column.setLabelProvider(new RExprLabelProvider(fTypeUIAdapters));

    fButtonGroup = new ButtonGroup<RTypedExpr>(parent, this, true);
    fButtonGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));

    customizeButtonGroup(fButtonGroup);//from   w  w w. j av  a2  s.c  o  m
}

From source file:era.foss.objecteditor.specobject.AttributeDefinitionEnumComposite.java

License:Open Source License

public Control createControl() {
    attributeDefinition = (AttributeDefinitionEnumeration) viewElement.getAttributeDefinition();

    if (attributeDefinition.isMultiValued()) {
        comboViewer = new MultiComboViewer(this, SWT.READ_ONLY | SWT.BORDER);
    } else {/* w w  w. j  a  v  a2s .  com*/
        comboViewer = new ColorComboViewer(new CCombo(this, SWT.READ_ONLY | SWT.BORDER));
    }

    ObservableListContentProvider contentProvider = new ObservableListContentProvider();

    // set content provider
    comboViewer.setContentProvider(contentProvider);

    ObservableMapLabelColorProvider labelProvider = new ObservableMapLabelColorProvider(
            EMFProperties.value(ErfPackage.Literals.IDENTIFIABLE__LONG_NAME)
                    .observeDetail(contentProvider.getKnownElements())) {

        @Override
        public String getText(Object element) {
            return super.getText(element);
        }

        @Override
        public Image getImage(Object element) {
            return super.getImage(element);
        }

        public Color getForeground(Object element) {
            return null;
        }

        public Color getBackground(Object element) {
            org.eclipse.swt.graphics.Color swtColor;
            if (element != null) {
                assert (element instanceof EnumValueImpl);
                EnumValueImpl enumValue = (EnumValueImpl) element;
                swtColor = enumValue.getColor().getColor();
            } else {
                swtColor = Display.getDefault().getSystemColor(SWT.COLOR_WHITE);
            }
            return swtColor;
        }

    };

    // set label provider
    comboViewer.setLabelProvider(labelProvider);

    // set input
    IEMFListProperty dataTypeDefinitions = EMFProperties
            .list(ErfPackage.Literals.DATATYPE_DEFINITION_ENUMERATION__SPECIFIED_VALUES);
    IObservableList observableList = dataTypeDefinitions.observe(attributeDefinition.getType());
    comboViewer.setInput(observableList);

    return comboViewer.getControl();
}

From source file:era.foss.objecteditor.specobject.SpecObjectCompositeViewer.java

License:Open Source License

/**
 * Create button bar showing://from  w ww .j  a v  a 2 s . c o m
 * <ul>
 * <li>combo box for the view</li>
 * <li>button for adding new SpecObjects</li>
 * </ul>
 * 
 * 
 * @param viewerComposite the parent composite
 * @return
 */
private void createButtonBar() {
    buttonBarComposite = new Composite(topLevelComposite, SWT.NONE);
    buttonBarComposite.setLayout(new GridLayout(4, true));
    buttonBarComposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 0, 0));

    /*
     * create combo box showing the availible views
     */
    ComboViewer viewComboViewer = new ComboViewer(buttonBarComposite, SWT.READ_ONLY) {
        @Override
        protected void doUpdateItem(Widget data, Object element, boolean fullMap) {
            // memorize the selection before updating the item, as the
            // update routine removes the selection...
            ISelection currentSelection = this.getSelection();
            super.doUpdateItem(data, element, fullMap);
            // set the selection to the previous value
            this.setSelection(currentSelection);
        }
    };
    ObservableListContentProvider contentProvider = new ObservableListContentProvider();
    viewComboViewer.setContentProvider(contentProvider);
    viewComboViewer.setLabelProvider(
            new ObservableMapLabelProvider(EMFProperties.value(ErfPackage.Literals.IDENTIFIABLE__LONG_NAME)
                    .observeDetail(contentProvider.getKnownElements())));
    IEMFListProperty dataTypeDefinitions = EMFProperties.list(ErfPackage.Literals.ERA_TOOL_EXTENSION__VIEWS);
    IObservableList observableList = dataTypeDefinitions.observe(toolExtension);
    viewComboViewer.setInput(observableList);
    // use first view available
    // TODO: use a dedicated default view if available
    if (toolExtension.getViews().size() > 0) {
        viewComboViewer.setSelection(new StructuredSelection(toolExtension.getViews().get(0)));
    }
    viewComboViewer.getControl().setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 2, 1));

    viewMaster = ViewerProperties.singleSelection().observe(viewComboViewer);

    // refresh composite table in case view has been changed
    viewMaster.addChangeListener(new IChangeListener() {

        @Override
        public void handleChange(ChangeEvent event) {
            dbc.dispose();

            compositeTable.dispose();
            createCompositeTable();

            binding();

            topLevelComposite.layout();
        }
    });

    /*
     * Create Combo box for selecting the SpecType
     */
    final ComboViewer specTypecomboViewer = new ComboViewer(buttonBarComposite, SWT.READ_ONLY) {
        @Override
        protected void doUpdateItem(Widget data, Object element, boolean fullMap) {
            // memorize the selection before updating the item, as the
            // update routine removes the selection...
            ISelection currentSelection = this.getSelection();
            super.doUpdateItem(data, element, fullMap);
            // set the selection to the previous value
            this.setSelection(currentSelection);
        }
    };
    ObservableListContentProvider comboViewercontentProvider = new ObservableListContentProvider();
    specTypecomboViewer.getControl().setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, true, false));
    // set content provider
    specTypecomboViewer.setContentProvider(comboViewercontentProvider);
    // set label provider
    specTypecomboViewer.setLabelProvider(
            new ObservableMapLabelProvider(EMFProperties.value(ErfPackage.Literals.IDENTIFIABLE__LONG_NAME)
                    .observeDetail(comboViewercontentProvider.getKnownElements())));
    // set input
    IEMFListProperty specTypeProperty = EMFProperties.list(ErfPackage.Literals.CONTENT__SPEC_TYPES);
    specTypecomboViewer.setInput(specTypeProperty.observe(this.erfModel.getCoreContent()));

    // TODO: use a dedicated default type if available
    if (erfModel.getCoreContent().getSpecTypes().size() > 0) {
        specTypecomboViewer
                .setSelection(new StructuredSelection(erfModel.getCoreContent().getSpecTypes().get(0)));
    }
    specTypeMaster = ViewerProperties.singleSelection().observe(specTypecomboViewer);

    /*
     * create add button
     */
    final Button addButton = new Button(buttonBarComposite, SWT.NONE);
    addButton.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ADD));
    addButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, true, false));
    addButton.setEnabled(specTypeMaster.getValue() != null);
    addButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            SpecObjectHandler.createNewSpecObject(editingDomain, erfModel.getCoreContent(),
                    (SpecType) SpecObjectCompositeViewer.this.specTypeMaster.getValue(),
                    erfModel.getCoreContent().getSpecifications().get(0));
        }
    });

    specTypeMaster.addValueChangeListener(new IValueChangeListener() {
        @Override
        public void handleValueChange(ValueChangeEvent event) {
            addButton.setEnabled(event.getObservableValue().getValue() != null);
        }
    });

}