Example usage for org.eclipse.jface.viewers IStructuredSelection size

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection size.

Prototype

public int size();

Source Link

Document

Returns the number of elements selected in this selection.

Usage

From source file:com.github.jknack.antlr4ide.ui.railroad.actions.RailroadSelectionLinker.java

License:Open Source License

public void diagramSelectionChanged(final SelectionChangedEvent event) {
    ISelection selection = event.getSelection();
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (structuredSelection.size() == 1) {
            Object selectedElement = structuredSelection.getFirstElement();
            if (selectedElement instanceof IFigure) {
                IFigure selectedFigure = (IFigure) selectedElement;
                selectFigure(selectedFigure);
                boolean isDoubleClick = event instanceof RailroadSelectionProvider.DoubleClickEvent;
                if ((currentEditor == null
                        || !currentEditor.getInternalSourceViewer().getTextWidget().isFocusControl())
                        && (isDoubleClick || preferences.isLinkWithEditor())) {
                    selectGrammarText(selectedFigure, isDoubleClick);
                }/*from   www.ja  va2 s.  co  m*/
            }
        }
    }
}

From source file:com.github.sdbg.debug.ui.internal.util.SelectionUtil.java

License:Open Source License

/**
 * Returns the selected element if the selection consists of a single element only.
 * //from w  w  w  .j a  va 2s . c om
 * @param s the selection
 * @return the selected first element or null
 */
public static Object getSingleElement(ISelection s) {
    if (!(s instanceof IStructuredSelection)) {
        return null;
    }
    IStructuredSelection selection = (IStructuredSelection) s;
    if (selection.size() != 1) {
        return null;
    }

    return selection.getFirstElement();
}

From source file:com.github.sdbg.debug.ui.internal.view.RemoveBreakpointAction.java

License:Open Source License

@Override
public void selectionChanged(IStructuredSelection sel) {
    if (sel.size() == 1) {
        breakpoint = (IBreakpoint) DebugPlugin.getAdapter(sel.getFirstElement(), IBreakpoint.class);
    } else {//w  w  w . j  a v a 2  s .com
        breakpoint = null;
    }

    setEnabled(breakpoint != null);
}

From source file:com.google.cloud.tools.eclipse.appengine.deploy.ui.standard.StandardDeployCommandHandlerTest.java

License:Apache License

private ExecutionEvent getTestExecutionEvent(Object project) {
    IEvaluationContext context = mock(IEvaluationContext.class);
    IStructuredSelection selection = mock(IStructuredSelection.class);
    when(selection.size()).thenReturn(1);
    when(selection.getFirstElement()).thenReturn(project);
    when(context.getVariable(ISources.ACTIVE_CURRENT_SELECTION_NAME)).thenReturn(selection);
    when(context.getVariable(ISources.ACTIVE_SHELL_NAME)).thenReturn(mock(Shell.class));
    return new ExecutionEvent(null /*command */, Collections.EMPTY_MAP, null /* trigger */, context);
}

From source file:com.google.cloud.tools.eclipse.appengine.deploy.ui.StandardDeployPreferencesPanelTest.java

License:Apache License

@Test
public void testProjectSavedInPreferencesSelected() throws ProjectRepositoryException {
    IEclipsePreferences node = new ProjectScope(project)
            .getNode(StandardDeployPreferences.PREFERENCE_STORE_QUALIFIER);
    node.put("project.id", "projectId1");
    node.put("account.email", EMAIL_1);
    initializeProjectRepository(projectRepository);
    when(loginService.getAccounts()).thenReturn(new HashSet<>(Arrays.asList(account1, account2)));
    StandardDeployPreferencesPanel deployPanel = new StandardDeployPreferencesPanel(parent, project,
            loginService, layoutChangedHandler, true, projectRepository);
    for (Control control : deployPanel.getChildren()) {
        if (control instanceof ProjectSelector) {
            ProjectSelector projectSelector = (ProjectSelector) control;
            IStructuredSelection selection = projectSelector.getViewer().getStructuredSelection();
            assertThat(selection.size(), is(1));
            assertThat(((GcpProject) selection.getFirstElement()).getId(), is("projectId1"));
            return;
        }//from www. ja va  2s.  c  o m
    }
    ;
    fail("Did not find ProjectSelector widget");
}

From source file:com.google.cloud.tools.eclipse.projectselector.ProjectSelectorTest.java

License:Apache License

@Test
public void testSetProjectMaintainsSelection() {
    List<GcpProject> projects = getUnsortedProjectList();
    GcpProject selectedProject = projects.get(3);

    ProjectSelector projectSelector = new ProjectSelector(shellResource.getShell());
    projectSelector.setProjects(projects);
    projectSelector.getViewer().setSelection(new StructuredSelection(selectedProject));
    projectSelector.setProjects(projects.subList(2, projects.size()));

    IStructuredSelection selection = projectSelector.getViewer().getStructuredSelection();
    assertThat(selection.size(), is(1));
    assertThat((GcpProject) selection.getFirstElement(), is(selectedProject));
}

From source file:com.google.cloud.tools.eclipse.ui.util.ProjectFromSelectionHelper.java

License:Apache License

public IProject getProject(ExecutionEvent event) throws CoreException, ExecutionException {
    ISelection selection = HandlerUtil.getCurrentSelectionChecked(event);
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (structuredSelection.size() == 1) {
            IProject project = AdapterUtil.adapt(structuredSelection.getFirstElement(), IProject.class);
            if (project == null) {
                return null;
            }/* w ww. ja  va2 s  .  c om*/

            IFacetedProject facetedProject = facetedProjectHelper.getFacetedProject(project);
            if (AppEngineStandardFacet.hasAppEngineFacet(facetedProject)) {
                return project;
            }
        }
    }
    return null;
}

From source file:com.google.code.t4eclipse.tools.utility.SelectionUtility.java

License:Open Source License

public static String getSelectionInfo(IWorkbenchPart part) {
    String s = "\n\n";

    ISelectionProvider provider = part.getSite().getSelectionProvider();
    if (provider == null) {
        s += "NO Selection Provider in this active part:\n";

        return s;
    }/*  w w w .j a v a2  s.  c  o  m*/

    s += "Selection  Provider:\n";
    s += provider.getClass().getName() + "\n\n";
    ISelection sel = provider.getSelection();
    if (sel == null) {
        s += "Selection is null\n";
        return s;
    }
    s += "Selection:\n";
    s += "class:" + sel.getClass().getName() + "\n";
    if (sel instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) sel;
        s += "\n";
        s += "instanceof IStructuredSelection\n";
        s += "--first element--:\n";
        Object firstElement = ssel.getFirstElement();
        if (firstElement == null) {
            s += "  null\n";
        } else {
            s += "  class:\n    " + firstElement.getClass().getName() + "\n";
            s += "  tostr:\n";
            s += "    " + firstElement.toString() + "\n";
        }

        s += "  size:" + ssel.size() + "\n";
        if (ssel.size() > 1)
            s += "  all elements class:\n";
        Object[] eles = ssel.toArray();
        for (int i = 0; i < eles.length; i++) {
            s += "  [" + i + "]:" + eles[i].getClass().getName() + "\n";
        }

    }

    s += "\n\nselection toString():\n";
    s += sel.toString() + "\n";
    return s;
}

From source file:com.google.dart.tools.internal.corext.refactoring.RefactoringAvailabilityTester.java

License:Open Source License

public static boolean isConvertMethodToGetterAvailable(IStructuredSelection selection)
        throws DartModelException {
    if (selection.isEmpty() || selection.size() != 1) {
        return false;
    }//from ww  w  . j a  va2  s  .  c  om
    Object first = selection.getFirstElement();
    return first instanceof Method && isConvertMethodToGetterAvailable((Method) first);
}

From source file:com.google.dart.tools.internal.corext.refactoring.RefactoringAvailabilityTester.java

License:Open Source License

public static boolean isInlineMethodAvailable(IStructuredSelection selection) throws DartModelException {
    if (selection.isEmpty() || selection.size() != 1) {
        return false;
    }/*  ww  w  . j ava2  s. c  om*/
    Object first = selection.getFirstElement();
    return first instanceof Method && isInlineMethodAvailable((Method) first);
}