Example usage for org.eclipse.jface.viewers StructuredSelection EMPTY

List of usage examples for org.eclipse.jface.viewers StructuredSelection EMPTY

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In this page you can find the example usage for org.eclipse.jface.viewers StructuredSelection EMPTY.

Prototype

StructuredSelection EMPTY

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Document

The canonical empty selection.

Usage

From source file:es.cv.gvcase.fefem.common.composites.EMFContainedCollectionEditionComposite.java

License:Open Source License

/**
 * Creates the a SelectionListener which will invoke the code to remove/delete
 * a selected element from the tree viewer.
 *     //  w w w  .jav  a2  s. c o m
 * @return SelectionListener the {@link SelectionListener} which will
 * remove/delete a selected element from the viewer.
 */
protected SelectionListener getRemoveButtonSelectionListener() {
    SelectionAdapter adapter = new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            TableViewer viewer = getViewer();
            if (viewer.getSelection() instanceof StructuredSelection) {
                StructuredSelection selection = (StructuredSelection) getViewer().getSelection();
                List<?> elementsToDelete = selection.toList();
                if (elementsToDelete.size() > 0) {
                    // We prepare the next selection, based on the element to delete
                    EObject eObject = (EObject) elementsToDelete.get(0);
                    StructuredSelection nextSelection = StructuredSelection.EMPTY;
                    if (modelObservable.size() > 1) { // If we have more than one element
                        int pos = modelObservable.indexOf(eObject);
                        nextSelection = (pos == modelObservable.size() - 1) // If it's the last first level element, we will select the previous sibling
                                ? new StructuredSelection(modelObservable.get(pos - 1))
                                : new StructuredSelection(modelObservable.get(pos + 1)); // otherwise, we will select the next one
                    }

                    EStructuralFeature feature = getFeature();
                    if (feature instanceof EReference // If it's a containment reference we delete the elements from the model
                            && ((EReference) feature).isContainment()) {
                        getEditingDomain().getCommandStack()
                                .execute(DeleteCommand.create(getEditingDomain(), elementsToDelete));
                    } else { // otherwise, we just remove the elements from the obsevableList
                        modelObservable.removeAll(elementsToDelete);
                    }

                    getPage().setDirty(true);
                    getViewer().setSelection(nextSelection);
                }
            }
        }
    };
    return adapter;
}

From source file:es.cv.gvcase.ide.navigator.actions.resource.EditingDomainActions.java

License:Open Source License

/**
 * Update./*  w  w w  .jav a 2  s.com*/
 */
public void update() {
    ISelection selection = null;
    try {
        if (getCommonNavigator() != null && getCommonNavigator().getCommonViewer() != null) {
            selection = getCommonNavigator().getCommonViewer().getSelection();
        }
    } catch (NullPointerException ex) {
        selection = null;
    }
    IStructuredSelection structuredSelection = selection instanceof IStructuredSelection
            ? (IStructuredSelection) selection
            : StructuredSelection.EMPTY;

    if (structuredSelection.isEmpty()) {
        return;
    }

    if (deleteAction != null) {
        deleteAction.updateSelection(structuredSelection);
    }
    if (cutAction != null) {
        cutAction.updateSelection(structuredSelection);
    }
    if (copyAction != null) {
        copyAction.updateSelection(structuredSelection);
    }
    if (pasteAction != null) {
        pasteAction.updateSelection(structuredSelection);
    }
    if (validateAction != null) {
        validateAction.updateSelection(structuredSelection);
    }
    if (controlAction != null) {
        controlAction.updateSelection(structuredSelection);
    }
    if (undoAction != null) {
        undoAction.update();
    }
    if (redoAction != null) {
        redoAction.update();
    }
    if (loadResourceAction != null) {
        loadResourceAction.update();
    }
}

From source file:es.cv.gvcase.mdt.common.sections.PropertySheetUtils.java

License:Open Source License

/**
 * This method provides a simple way to refresh all the selected Tab,
 * refreshing all the sections contained in this Tab.
 * /*from  w w w.  j av a  2 s  .c  o m*/
 * As the sections couldn't refresh the parent Tab directly or refresh the
 * sibling Sections, the only way to do that is by simulating a deselect and
 * select the current element in the current working editor
 * 
 * @param section
 * @param eObject
 */
public static void refreshTab(AbstractPropertySection section, EObject eObject) {
    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

    if (window == null) {
        return;
    }
    IWorkbenchPage page = window.getActivePage();

    if (page == null) {
        return;
    }
    IViewPart view = page.findView("org.eclipse.ui.views.PropertySheet");

    if (view == null) {
        return;
    }

    if (!(view instanceof PropertySheet)) {
        return;
    }
    IPage ipage = ((PropertySheet) view).getCurrentPage();

    if (!(ipage instanceof TabbedPropertySheetPage)) {
        return;
    }
    IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();

    // if there are any view maximized, get the editor by comparing the
    // current eObject with the contained elements of the diagram element
    if (editor == null) {
        IEditorReference[] editors = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
                .getEditorReferences();
        if (editors.length > 0) {
            first: for (int i = 0; i < editors.length; i++) {
                if (!(editors[i].getEditor(true) instanceof MOSKittMultiPageEditor)) {
                    continue;
                }

                MOSKittMultiPageEditor moskittEditor = (MOSKittMultiPageEditor) editors[i].getEditor(true);
                EObject eo = moskittEditor.getDiagram().getElement();
                if (eo.equals(eObject)) {
                    editor = moskittEditor;
                    break first;
                }

                for (TreeIterator<EObject> it = eo.eAllContents(); it.hasNext();) {
                    eo = it.next();
                    if (eo.equals(eObject)) {
                        editor = moskittEditor;
                        break first;
                    }
                }
            }
        }
    }

    if (editor == null) {
        return;
    }
    ((TabbedPropertySheetPage) ipage).selectionChanged(editor, StructuredSelection.EMPTY);
    ((TabbedPropertySheetPage) ipage).selectionChanged(editor, section.getSelection());
}

From source file:es.cv.gvcase.mdt.common.util.MDTUtil.java

License:Open Source License

public static ISelection getSelectionFromActiveEditor() {
    IEditorPart editor = getActiveEditor();
    if (editor instanceof IDiagramWorkbenchPart) {
        return ((IDiagramWorkbenchPart) editor).getDiagramGraphicalViewer().getSelection();
    }/*from   w w w . j  av a  2s  .  c o m*/
    return StructuredSelection.EMPTY;
}

From source file:es.cv.gvcase.mdt.db.diagram.navigator.SqlmodelNavigatorLinkHelper.java

License:Open Source License

/**
 * @generated//from w w w. j av a  2s . com
 */
public IStructuredSelection findSelection(IEditorInput anInput) {

    IDiagramDocument document = SqlmodelDiagramEditorPlugin.getInstance()
            .getDocumentProvider(getEditingDomainID(), anInput).getDiagramDocument(anInput);
    if (document == null) {
        return StructuredSelection.EMPTY;
    }
    Diagram diagram = document.getDiagram();
    IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
    if (file != null) {
        SqlmodelNavigatorItem item = new SqlmodelNavigatorItem(diagram, file, false);
        return new StructuredSelection(item);
    }
    return StructuredSelection.EMPTY;
}

From source file:es.cv.gvcase.mdt.db.diagram.part.SqlmodelDiagramEditor.java

License:Open Source License

/**
 * @generated/* ww w  .ja va  2  s  . co  m*/
 */
private ISelection getNavigatorSelection() {
    IDiagramDocument document = getDiagramDocument();
    if (document == null) {
        return StructuredSelection.EMPTY;
    }
    Diagram diagram = document.getDiagram();
    IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
    if (file != null) {
        SqlmodelNavigatorItem item = new SqlmodelNavigatorItem(diagram, file, false);
        return new StructuredSelection(item);
    }
    return StructuredSelection.EMPTY;
}

From source file:es.cv.gvcase.mdt.db.diagram.part.SqlmodelNewDiagramFileWizard.java

License:Open Source License

/**
 * @generated NOT/* w w  w .  j  ava 2s  .  c  o m*/
 */
public SqlmodelNewDiagramFileWizard(String actionId, URI domainModelURI, EObject diagramRoot,
        TransactionalEditingDomain editingDomain) {
    assert domainModelURI != null : "Domain model uri must be specified"; //$NON-NLS-1$
    assert diagramRoot != null : "Doagram root element must be specified"; //$NON-NLS-1$
    assert editingDomain != null : "Editing domain must be specified"; //$NON-NLS-1$

    myFileCreationPage = new WizardNewFileCreationPage(Messages.SqlmodelNewDiagramFileWizard_CreationPageName,
            StructuredSelection.EMPTY);
    myFileCreationPage.setTitle(Messages.SqlmodelNewDiagramFileWizard_CreationPageTitle);
    myFileCreationPage.setDescription(
            NLS.bind(Messages.SqlmodelNewDiagramFileWizard_CreationPageDescription, SchemaEditPart.MODEL_ID));
    IPath filePath;
    String fileName = domainModelURI.trimFileExtension().lastSegment();
    if (domainModelURI.isPlatformResource()) {
        filePath = new Path(domainModelURI.trimSegments(1).toPlatformString(true));
    } else if (domainModelURI.isFile()) {
        filePath = new Path(domainModelURI.trimSegments(1).toFileString());
    } else {
        // TODO : use some default path
        throw new IllegalArgumentException("Unsupported URI: " + domainModelURI); //$NON-NLS-1$
    }
    myFileCreationPage.setContainerFullPath(filePath);
    myFileCreationPage
            .setFileName(SqlmodelDiagramEditorUtil.getUniqueFileName(filePath, fileName, "sqlschema_diagram")); //$NON-NLS-1$

    modelElementSelectionPage = new ModelElementSelectionPage(
            Messages.SqlmodelNewDiagramFileWizard_RootSelectionPageName);
    modelElementSelectionPage.setTitle(Messages.SqlmodelNewDiagramFileWizard_RootSelectionPageTitle);
    modelElementSelectionPage
            .setDescription(Messages.SqlmodelNewDiagramFileWizard_RootSelectionPageDescription);
    modelElementSelectionPage.setModelElement(diagramRoot);

    if (actionId.equals("es.cv.gvcase.mdt.db.diagram.CustomizeDiagramAction")) {
        diagramElementsSelectionPage = new SqlDiagramElementsSelectionPage("Select model elements for diagram",
                "Model objects", "Select model objects that must appear in the diagram");
    } else {
        // fjcano :: adding a page to select which elements are to appear in
        // the new diagram
        IBaseLabelProvider labelProvider = new AdapterFactoryLabelProvider(
                new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE));
        IContentProvider contentProvider = new AdapterFactoryContentProvider(
                new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE));
        diagramElementsSelectionPage = new SelectModelElementsForDiagramDialog(contentProvider, labelProvider);
    }

    myEditingDomain = editingDomain;
}

From source file:es.uah.aut.srg.micobs.library.ui.MICOBSLibraryEditorActionBarContributor.java

License:Open Source License

public void update() {
    ISelectionProvider selectionProvider = activeEditor instanceof ISelectionProvider
            ? (ISelectionProvider) activeEditor
            : activeEditor.getEditorSite().getSelectionProvider();

    if (selectionProvider != null) {
        ISelection selection = selectionProvider.getSelection();
        IStructuredSelection structuredSelection = selection instanceof IStructuredSelection
                ? (IStructuredSelection) selection
                : StructuredSelection.EMPTY;

        deletePackageElementAction.updateSelection(structuredSelection);
        addPackageAction.updateSelection(structuredSelection);
        validateAction.updateSelection(structuredSelection);
    }//  ww w .  j  a v a  2  s .  c  om

    undoAction.update();
    redoAction.update();

}

From source file:etomica.plugin.editors.eclipse.EtomicaPropertyViewer.java

License:Open Source License

/**
 * The <code>PropertySheetViewer</code> implementation of this
 * <code>ISelectionProvider</code> method returns the result as a
 * <code>StructuredSelection</code>.
 * <p>//w w w.  j a  va2  s  .  com
 * Note that this method only includes <code>IPropertySheetEntry</code> in
 * the selection (no categories).
 * </p>
 */
public ISelection getSelection() {
    if (tree.getSelectionCount() == 0)
        return StructuredSelection.EMPTY;
    TreeItem[] sel = tree.getSelection();
    List entries = new ArrayList(sel.length);
    for (int i = 0; i < sel.length; i++) {
        TreeItem ti = sel[i];
        Object data = ti.getData();
        if (data instanceof IPropertySheetEntry)
            entries.add(data);
    }
    return new StructuredSelection(entries);
}

From source file:eu.aniketos.wp1.ststool.diagram.custom.handlers.NewSTSDiagramHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);

    StsToolCreationWizard wizard = new StsToolCreationWizard();
    wizard.init(window.getWorkbench(), StructuredSelection.EMPTY);
    WizardDialog wizardDialog = new WizardDialog(window.getShell(), wizard);
    wizardDialog.open();/*ww  w. j  a v  a2  s .c o  m*/
    return null;
}