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:ext.org.eclipse.jdt.internal.ui.text.AbstractInformationControl.java

License:Open Source License

/**
 * Selects the first element in the tree which
 * matches the current filter pattern./*from  ww  w .  j a  v a2  s.  c o m*/
 */
protected void selectFirstMatch() {
    Object selectedElement = fTreeViewer.testFindItem(fInitiallySelectedType);
    TreeItem element;
    final Tree tree = fTreeViewer.getTree();
    if (selectedElement instanceof TreeItem)
        element = findElement(new TreeItem[] { (TreeItem) selectedElement });
    else
        element = findElement(tree.getItems());

    if (element != null) {
        tree.setSelection(element);
        tree.showItem(element);
    } else
        fTreeViewer.setSelection(StructuredSelection.EMPTY);
}

From source file:ext.org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyViewPart.java

License:Open Source License

private void internalSelectType(IMember elem, boolean reveal) {
    TypeHierarchyViewer viewer = getCurrentViewer();
    viewer.removePostSelectionChangedListener(fSelectionChangedListener);
    viewer.setSelection(elem != null ? new StructuredSelection(elem) : StructuredSelection.EMPTY, reveal);
    viewer.addPostSelectionChangedListener(fSelectionChangedListener);
}

From source file:ext.org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage.BuildpathModifierAction.java

License:Open Source License

/**
 * {@inheritDoc}// www.  j a  va  2  s .  c om
 */
public void selectionChanged(final SelectionChangedEvent event) {
    final ISelection selection = event.getSelection();
    if (selection instanceof IStructuredSelection) {
        setEnabled(canHandle((IStructuredSelection) selection));
        fSelectedElements.clear();
        fSelectedElements.addAll(((IStructuredSelection) selection).toList());
    } else {
        setEnabled(canHandle(StructuredSelection.EMPTY));
        fSelectedElements.clear();
    }
}

From source file:ext.org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage.HintTextGroup.java

License:Open Source License

/**
  * {@inheritDoc}/*  w w  w.  ja  va2s  .c om*/
  */
public void selectionChanged(SelectionChangedEvent event) {
    if (event.getSelection() instanceof StructuredSelection) {
        handlePostSelectionChange((StructuredSelection) event.getSelection());
    } else {
        handlePostSelectionChange(StructuredSelection.EMPTY);
    }
}

From source file:fr.inria.atlanmod.neo4emf.ui.commands.CreateDynamicInstanceCommand.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {

    initializeEClass(event);/*ww  w  .j a  v a 2 s .  c  om*/

    URI uri = eClass.eResource().getURI();
    IStructuredSelection selection = StructuredSelection.EMPTY;
    if (uri != null && uri.isHierarchical()) {
        if (uri.isRelative() || (uri = uri.deresolve(PLATFORM_RESOURCE)).isRelative()) {
            IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(uri.toString()));
            if (file.exists()) {
                selection = new StructuredSelection(file);
            }
        }
    }

    // Register the EClass EPackage if  it is not registered yet
    if (EPackage.Registry.INSTANCE.getEPackage(eClass.getEPackage().getNsURI()) == null) {
        EPackage.Registry.INSTANCE.put(eClass.getEPackage().getNsURI(), eClass.getEPackage());
    }

    DynamicModelWizard dynamicModelWizard = new DynamicModelWizard(eClass);
    dynamicModelWizard.init(PlatformUI.getWorkbench(), selection);
    WizardDialog wizardDialog = new WizardDialog(
            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), dynamicModelWizard);

    wizardDialog.open();
    return null;
}

From source file:fr.inria.atlanmod.neoemf.eclipse.ui.command.CreateDynamicInstanceCommand.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {

    initializeEClass(event);//  w w  w.  j  a va 2  s  . c om

    URI uri = eClass.eResource().getURI();
    IStructuredSelection selection = StructuredSelection.EMPTY;
    if (nonNull(uri) && uri.isHierarchical()) {
        if (uri.isRelative() || (uri = uri.deresolve(PLATFORM_RESOURCE)).isRelative()) {
            IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(uri.toString()));
            if (file.exists()) {
                selection = new StructuredSelection(file);
            }
        }
    }

    // Register the EClass EPackage if it is not registered yet
    if (isNull(EPackage.Registry.INSTANCE.getEPackage(eClass.getEPackage().getNsURI()))) {
        EPackage.Registry.INSTANCE.put(eClass.getEPackage().getNsURI(), eClass.getEPackage());
    }

    DynamicModelWizard dynamicModelWizard = new DynamicModelWizard(eClass);
    dynamicModelWizard.init(PlatformUI.getWorkbench(), selection);

    WizardDialog wizardDialog = new WizardDialog(
            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), dynamicModelWizard);
    wizardDialog.open();

    return null;
}

From source file:fr.inria.linuxtools.internal.tmf.ui.project.handlers.BatchImportTraceHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {

    BatchImportTraceWizard w = new BatchImportTraceWizard();
    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

    if (window == null) {
        return false;
    }//ww  w .j  a v a2s.c o m

    ISelection currentSelection = HandlerUtil.getCurrentSelection(event);

    IStructuredSelection sec = StructuredSelection.EMPTY;
    if (currentSelection instanceof IStructuredSelection) {
        sec = (IStructuredSelection) currentSelection;
    }

    w.init(PlatformUI.getWorkbench(), sec);
    WizardDialog dialog = new WizardDialog(window.getShell(), w);
    dialog.open();

    return null;
}

From source file:fr.inria.linuxtools.internal.tmf.ui.project.handlers.ImportTraceHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    ImportTraceWizard w = new ImportTraceWizard();
    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

    if (window == null) {
        return false;
    }/*from w  ww  . j av  a2s  .c om*/

    ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
    // Menu Selection is only not null for context-sensitive menu
    ISelection menuSelection = HandlerUtil.getActiveMenuSelection(event);

    IStructuredSelection sec = StructuredSelection.EMPTY;

    // Only use the selection if handler is called from context-sensitive menu
    if ((menuSelection != null) && (currentSelection instanceof IStructuredSelection)) {
        sec = (IStructuredSelection) currentSelection;
    }

    w.init(PlatformUI.getWorkbench(), sec);
    WizardDialog dialog = new WizardDialog(window.getShell(), w);
    dialog.open();
    return null;
}

From source file:fr.inria.linuxtools.internal.tmf.ui.project.model.TmfEditorLinkHelper.java

License:Open Source License

@Override
public IStructuredSelection findSelection(IEditorInput anInput) {
    IFile file = ResourceUtil.getFile(anInput);
    if (file != null) {

        try {/*from   w  ww . ja v  a2 s.  co  m*/
            // Get the trace type ID
            String traceTypeId = file.getPersistentProperty(TmfCommonConstants.TRACETYPE);
            if (traceTypeId == null) {
                return StructuredSelection.EMPTY;
            }

            final TmfProjectElement project = TmfProjectRegistry.getProject(file.getProject(), true);

            // Check for experiments, traces which are folders or traces which are files
            if (traceTypeId.equals(TmfExperiment.class.getCanonicalName())) {
                // Case 1: Experiment
                for (final TmfExperimentElement experimentElement : project.getExperimentsFolder()
                        .getExperiments()) {
                    if (experimentElement.getResource().equals(file.getParent())) {
                        return new StructuredSelection(experimentElement);
                    }
                }
            } else if (traceTypeId.equals(TmfTrace.class.getCanonicalName())) {
                // Case 2: Trace that is a folder
                for (final TmfTraceElement traceElement : project.getTracesFolder().getTraces()) {
                    if (traceElement.getResource().equals(file.getParent())) {
                        return new StructuredSelection(traceElement);
                    }
                }
            } else {
                // Case 3: Trace that is a file
                for (final TmfTraceElement traceElement : project.getTracesFolder().getTraces()) {
                    if (traceElement.getResource().equals(file)) {
                        return new StructuredSelection(traceElement);
                    }
                }
            }
        } catch (CoreException e) {
            return StructuredSelection.EMPTY;
        }
    }
    return StructuredSelection.EMPTY;
}

From source file:fr.inria.linuxtools.internal.tmf.ui.project.wizards.tracepkg.importexport.ExportTracePackageHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    if (window == null) {
        return Boolean.FALSE;
    }//from   w ww.java2 s.com

    ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
    IStructuredSelection sec = StructuredSelection.EMPTY;
    List<TmfTraceElement> selectedTraces = new ArrayList<>();
    if (currentSelection instanceof IStructuredSelection) {
        sec = (IStructuredSelection) currentSelection;
        Object[] selectedElements = sec.toArray();
        for (Object selectedElement : selectedElements) {
            if (selectedElement instanceof TmfTraceElement) {
                TmfTraceElement tmfTraceElement = (TmfTraceElement) selectedElement;
                selectedTraces.add(tmfTraceElement.getElementUnderTraceFolder());
            } else if (selectedElement instanceof TmfTraceFolder) {
                TmfTraceFolder tmfTraceFolder = (TmfTraceFolder) selectedElement;
                selectedTraces = tmfTraceFolder.getTraces();
            }
        }
    }

    ExportTracePackageWizard w = new ExportTracePackageWizard(selectedTraces);

    w.init(PlatformUI.getWorkbench(), sec);
    WizardDialog dialog = new WizardDialog(window.getShell(), w);
    dialog.open();
    return null;
}