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

List of usage examples for org.eclipse.jface.viewers IStructuredSelection isEmpty

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  6. isEmpty

Introduction

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

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:com.drgarbage.bytecodevisualizer.editors.ToggleBytecodeBreakpointAdapter.java

License:Apache License

public void toggleBreakpoints(IWorkbenchPart part, ISelection selection) throws CoreException {

    ISelection sel = translateToMembers(part, selection);
    if (sel instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) sel;
        if (!structuredSelection.isEmpty()) {
            IMember member = (IMember) structuredSelection.getFirstElement();
            int mtype = member.getElementType();
            if (mtype == IJavaElement.FIELD) {
                toggleWatchpoints(part, sel);
            } else if (mtype == IJavaElement.METHOD) {
                toggleMethodBreakpoints(part, sel);
            } else if (member.getElementType() == IJavaElement.TYPE) {
                toggleClassBreakpoints(part, sel);
            } else {
                BytecodeVisualizerPlugin
                        .log(new IllegalStateException("Uncovered element type " + member.getElementType()));
                //               /*
                //                * fall back to old behavior, always create a line
                //                * breakpoint
                //                */
                //               /* should never occur */
                //               toggleLineBreakpoints(part, selection, true);
            }//from   w ww  .j a v  a2 s  .  c  o m
        }

    }
}

From source file:com.ebmwebsourcing.petals.common.extensions.internal.wizards.JavaToWSDLWizardPage.java

License:Open Source License

/**
 * Constructor.//www. ja  v  a  2 s . c  o  m
 * @param pageName
 * @param selection
 */
public JavaToWSDLWizardPage(String pageName, IStructuredSelection selection) {
    super(pageName);
    setTitle("Java Interface"); //NON-NLS-1
    setDescription("Select a Java interface."); //NON-NLS-1

    if (selection != null && !selection.isEmpty()) {
        Object o = selection.getFirstElement();
        try {
            if (o instanceof IProject && ((IProject) o).isAccessible()
                    && ((IProject) o).hasNature(JavaCore.NATURE_ID))
                this.javaProject = JavaCore.create((IProject) o);

        } catch (CoreException e) {
            PetalsCommonWsdlExtPlugin.log(e, IStatus.WARNING);
        }
    }
}

From source file:com.ebmwebsourcing.petals.common.extensions.internal.wizards.JavaToWSDLWizardPage.java

License:Open Source License

@Override
public void createControl(Composite parent) {

    Composite container = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout(2, false);
    container.setLayout(layout);//from w w w  .j  a  va2s  . c o m
    container.setLayoutData(new GridData(GridData.FILL_BOTH));

    // Container selection
    Label l = new Label(container, SWT.NONE);
    l.setText("Select the Java project that contains the classes.");
    GridData layoutData = new GridData();
    layoutData.horizontalSpan = 2;
    l.setLayoutData(layoutData);

    TreeViewer viewer = new TreeViewer(container, SWT.SINGLE | SWT.V_SCROLL | SWT.BORDER);
    layoutData = new GridData(GridData.FILL_BOTH);
    layoutData.horizontalSpan = 2;
    viewer.getTree().setLayoutData(layoutData);

    viewer.setLabelProvider(new WorkbenchLabelProvider());
    viewer.setContentProvider(new WorkbenchContentProvider() {
        @Override
        public Object[] getChildren(Object o) {

            if (o instanceof IWorkspaceRoot) {
                IProject[] projects = ((IWorkspaceRoot) o).getProjects();
                ArrayList<IJavaProject> result = new ArrayList<IJavaProject>();
                for (IProject project : projects) {

                    try {
                        if (!project.isOpen() || !project.hasNature(JavaCore.NATURE_ID))
                            continue;

                    } catch (CoreException e) {
                        PetalsCommonWsdlExtPlugin.log(e, IStatus.WARNING);
                        continue;
                    }

                    IJavaProject p = JavaCore.create(project);
                    result.add(p);
                }

                return result.toArray();
            }

            return new Object[0];
        }
    });

    // Set page input
    IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
    viewer.setInput(root);
    if (this.javaProject != null) {
        viewer.setSelection(new StructuredSelection(this.javaProject), true);
        viewer.expandToLevel(this.javaProject, 1);
    }

    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {

            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            if (!s.isEmpty())
                JavaToWSDLWizardPage.this.javaProject = (IJavaProject) s.getFirstElement();
            else
                JavaToWSDLWizardPage.this.javaProject = null;
            validate();
        }
    });

    viewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            openClassSelectionDialog();
        }
    });

    // Class field
    l = new Label(container, SWT.NONE);
    l.setText("Select the Java interface.");
    layoutData = new GridData();
    layoutData.horizontalSpan = 2;
    layoutData.verticalIndent = 15;
    l.setLayoutData(layoutData);

    this.classText = new Text(container, SWT.BORDER | SWT.SINGLE);
    this.classText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    this.classText.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            JavaToWSDLWizardPage.this.className = JavaToWSDLWizardPage.this.classText.getText();
            validate();
        }
    });

    Button b = new Button(container, SWT.PUSH);
    b.setText("Browse...");
    b.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            openClassSelectionDialog();
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            openClassSelectionDialog();
        }
    });

    this.classText.setFocus();
    setControl(container);
}

From source file:com.ebmwebsourcing.petals.common.extensions.internal.wizards.WSDLtoJavaWizardPage.java

License:Open Source License

@Override
public void createControl(Composite parent) {

    Composite container = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    container.setLayout(layout);//from   w ww.ja  va 2 s.c  o  m
    container.setLayoutData(new GridData(GridData.FILL_BOTH));

    // WSDL field
    Label l = new Label(container, SWT.NONE);
    l.setText("WSDL URI:");
    l.setLayoutData(new GridData());

    final Text text = new Text(container, SWT.BORDER | SWT.SINGLE);
    text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    text.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            String uri = text.getText();
            if (uri.trim().length() == 0)
                return;

            try {
                WSDLtoJavaWizardPage.this.wsdlUri = UriAndUrlHelper.urlToUri(uri);

            } catch (Exception e1) {
                WSDLtoJavaWizardPage.this.wsdlUri = null;
            }

            validate();
        }
    });

    Composite buttons = new Composite(container, SWT.NONE);
    layout = new GridLayout(2, false);
    layout.marginHeight = layout.marginWidth = 0;
    buttons.setLayout(layout);

    Button b = new Button(buttons, SWT.PUSH);
    b.setText("Browse File System");
    b.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {

            FileDialog dlg = new FileDialog(text.getShell(), SWT.SINGLE);
            dlg.setFilterNames(new String[] { "WSDL (*.wsdl)" }); //$NON-NLS-1$
            dlg.setFilterExtensions(new String[] { "*.wsdl" }); //$NON-NLS-1$
            String path = dlg.open();

            if (path != null) {
                text.setText(new File(path).toURI().toString());
                text.setSelection(path.length());
                text.setFocus();
            }
        }
    });

    b = new Button(buttons, SWT.PUSH);
    b.setText("Browse Workspace...");
    b.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {

            WorkspaceExplorer dlg = new WorkspaceExplorer(getShell(), new String[] { "wsdl" });
            if (dlg.open() == Window.OK) {
                IResource res = dlg.getSelectedResource();
                text.setText(new File(res.getLocation().toOSString()).toURI().toString());
                text.setSelection(text.getText().length());
                text.setFocus();
            }
        }
    });

    // Container selection
    l = new Label(container, SWT.NONE);
    l.setText("Select the output location.");
    GridData layoutData = new GridData();
    layoutData.verticalIndent = 15;
    l.setLayoutData(layoutData);

    TreeViewer viewer = new TreeViewer(container, SWT.SINGLE | SWT.V_SCROLL | SWT.BORDER);
    layoutData = new GridData(GridData.FILL_BOTH);
    layoutData.heightHint = 200;
    viewer.getTree().setLayoutData(layoutData);
    viewer.setLabelProvider(new WorkbenchLabelProvider());

    viewer.setContentProvider(new WorkbenchContentProvider() {
        @Override
        public Object[] getChildren(Object o) {

            if (o instanceof IContainer) {
                IResource[] members;
                try {
                    members = ((IContainer) o).members();
                } catch (Exception e) {
                    return new Object[0];
                }

                ArrayList<IResource> results = new ArrayList<IResource>();
                for (IResource member : members) {
                    if (member instanceof IContainer)
                        results.add(member);
                }

                return results.toArray();
            }

            return new Object[0];
        }
    });

    // Set page input
    IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
    viewer.setInput(root);
    if (this.outputContainer != null) {
        viewer.setSelection(new StructuredSelection(this.outputContainer), true);
        viewer.expandToLevel(this.outputContainer, 1);
    }

    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {

            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            if (!s.isEmpty())
                WSDLtoJavaWizardPage.this.outputContainer = (IContainer) s.getFirstElement();
            else
                WSDLtoJavaWizardPage.this.outputContainer = null;
            validate();
        }
    });

    text.setFocus();
    setControl(container);
}

From source file:com.ebmwebsourcing.petals.common.internal.commands.ConfigureBuildPathCommandHandler.java

License:Open Source License

public Object execute(ExecutionEvent event) throws ExecutionException {

    try {/*from  ww  w. ja  va  2  s. c  o m*/
        IStructuredSelection selection = (IStructuredSelection) PlatformUI.getWorkbench()
                .getActiveWorkbenchWindow().getSelectionService().getSelection();
        if (!selection.isEmpty()) {
            IJavaProject project = (IJavaProject) ((IProject) selection.getFirstElement())
                    .getNature(JavaCore.NATURE_ID);

            // Copy-pasted from ConfigureBuildPathAction
            PreferencesUtil
                    .createPropertyDialogOn(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                            project, BuildPathsPropertyPage.PROP_ID, null, Collections.EMPTY_MAP)
                    .open();
        }

    } catch (Exception ex) {
        throw new ExecutionException("Could not cast to Java Project", ex);
    }

    return null;
}

From source file:com.ebmwebsourcing.petals.common.internal.projectscnf.PetalsProjectNavigator.java

License:Open Source License

@Override
public boolean show(ShowInContext context) {

    IStructuredSelection selection = getSelection(context);
    if (selection != null && !selection.isEmpty()) {
        Object o = selection.getFirstElement();
        if (o instanceof IPackageFragment || o instanceof IPackageFragmentRoot
                || o instanceof ICompilationUnit) {
            selectReveal(new StructuredSelection(o));
            return true;

        } else {//w  w  w . j  a  va  2  s.  co  m
            IResource res = (IResource) PlatformUtils.getAdapter(o, IResource.class);
            if (res != null) {
                selectReveal(new StructuredSelection(res));
                return true;
            }
        }
    }

    return false;
}

From source file:com.ebmwebsourcing.petals.services.sa.wizards.PetalsSaNewWizard.java

License:Open Source License

@Override
public void init(IWorkbench workbench, IStructuredSelection selection) {

    if (selection.isEmpty())
        return;/*www .  ja va 2  s. c  om*/

    Iterator<?> it = selection.iterator();
    while (it.hasNext()) {
        Object o = it.next();
        if (o instanceof IProject)
            this.selectedProjects.add(((IProject) o).getName());
    }
}

From source file:com.ebmwebsourcing.petals.services.su.editor.SuEditionComposite.java

License:Open Source License

/**
 * Initializes the widgets on the left side.
 *///from w  ww.ja  v a  2  s.c  o  m
protected void createLeftWidgets() {

    Composite servicesComposite = getFormToolkit().createComposite(this);
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    servicesComposite.setLayout(layout);

    // Provides
    Form providesForm = getFormToolkit().createForm(servicesComposite);
    providesForm.setLayoutData(new GridData(GridData.FILL_BOTH));
    providesForm.setText(Messages.provides);
    layout = new GridLayout(2, false);
    layout.marginHeight = 0;
    providesForm.getBody().setLayout(layout);

    this.providesViewer = new TableViewer(providesForm.getBody());
    this.providesViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    this.providesViewer.setLabelProvider(this.labelProvider);
    this.providesViewer.setContentProvider(new ArrayContentProvider());

    Composite providesButtons = getFormToolkit().createComposite(providesForm.getBody());
    layout = new GridLayout();
    layout.marginHeight = 0;
    providesButtons.setLayout(layout);
    providesButtons.setLayoutData(new GridData(SWT.DEFAULT, SWT.TOP, false, true));

    Button newProvidesButton = getFormToolkit().createButton(providesButtons, "New...", SWT.NONE);
    newProvidesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, true, 1, 1));
    newProvidesButton.setImage(PetalsImages.INSTANCE.getAdd());

    final IWizard providesWizard = findNewWizard(PetalsMode.provides);
    if (providesWizard == null) {
        newProvidesButton.setEnabled(false);
        newProvidesButton.setToolTipText("The component is not supported.");

    } else {
        newProvidesButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                if (new WizardDialog(getShell(), providesWizard).open() == Dialog.OK)
                    SuEditionComposite.this.providesViewer.refresh();
            }
        });
    }

    final Button removeProvidesButton = getFormToolkit().createButton(providesButtons, "Remove", SWT.NONE);
    removeProvidesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1));
    removeProvidesButton.setImage(PetalsImages.INSTANCE.getDelete());
    removeProvidesButton.addSelectionListener(new EListRemoveSelectionListener(this.providesViewer));

    final Button upProvidesButton = getFormToolkit().createButton(providesButtons, "", SWT.NONE);
    upProvidesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1));
    upProvidesButton.setText("&Up");
    upProvidesButton.addSelectionListener(new EListUpSelectionListener());

    final Button downProvidesButton = getFormToolkit().createButton(providesButtons, "", SWT.NONE);
    downProvidesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1));
    downProvidesButton.setText("&Down");
    downProvidesButton.addSelectionListener(new EListDownSelectionListener());

    getDataBindingContext().bindValue(ViewersObservables.observeInput(this.providesViewer),
            EMFEditObservables.observeValue(getEditingDomain(), getJbiModel().getServices(),
                    JbiPackage.Literals.SERVICES__PROVIDES));

    // Consumes
    Form consumesForm = getFormToolkit().createForm(servicesComposite);
    consumesForm.setLayoutData(new GridData(GridData.FILL_BOTH));
    consumesForm.setText(Messages.consumes);
    layout = new GridLayout(2, false);
    layout.marginHeight = 0;
    consumesForm.getBody().setLayout(layout);

    this.consumesViewer = new TableViewer(consumesForm.getBody());
    this.consumesViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    this.consumesViewer.setLabelProvider(this.labelProvider);
    this.consumesViewer.setContentProvider(new ArrayContentProvider());

    Composite consumesButtons = getFormToolkit().createComposite(consumesForm.getBody());
    layout = new GridLayout();
    layout.marginHeight = 0;
    consumesButtons.setLayout(layout);
    consumesButtons.setLayoutData(new GridData(SWT.DEFAULT, SWT.TOP, false, true));

    Button newConsumesButton = getFormToolkit().createButton(consumesButtons, "New...", SWT.NONE);
    newConsumesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1));
    newConsumesButton.setImage(PetalsImages.INSTANCE.getAdd());

    final IWizard consumesWizard = findNewWizard(PetalsMode.consumes);
    if (consumesWizard == null) {
        newConsumesButton.setEnabled(false);
        newConsumesButton.setToolTipText("The component is not supported.");

    } else {
        newConsumesButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                if (new WizardDialog(getShell(), consumesWizard).open() == Dialog.OK)
                    SuEditionComposite.this.consumesViewer.refresh();
            }
        });
    }

    final Button removeConsumesButton = getFormToolkit().createButton(consumesButtons, "Remove", SWT.NONE);
    removeConsumesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1));
    removeConsumesButton.setImage(PetalsImages.INSTANCE.getDelete());
    removeConsumesButton.addSelectionListener(new EListRemoveSelectionListener(this.consumesViewer));

    final Button upConsumesButton = getFormToolkit().createButton(consumesButtons, "", SWT.NONE);
    upConsumesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1));
    upConsumesButton.setText("&Up");
    upConsumesButton.addSelectionListener(new EListUpSelectionListener());

    final Button downConsumesButton = getFormToolkit().createButton(consumesButtons, "", SWT.NONE);
    downConsumesButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1));
    downConsumesButton.setText("&Down");
    downConsumesButton.addSelectionListener(new EListDownSelectionListener());

    getDataBindingContext().bindValue(ViewersObservables.observeInput(this.consumesViewer),
            EMFEditObservables.observeValue(getEditingDomain(), getJbiModel().getServices(),
                    JbiPackage.Literals.SERVICES__CONSUMES));

    this.providesViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = ((IStructuredSelection) SuEditionComposite.this.providesViewer
                    .getSelection());
            if (selection.isEmpty()) {
                SuEditionComposite.this.selectedEndpoint = null;
                upProvidesButton.setEnabled(false);
                downProvidesButton.setEnabled(false);

            } else {
                SuEditionComposite.this.consumesViewer.setSelection(new StructuredSelection());
                SuEditionComposite.this.selectedEndpoint = (Provides) selection.getFirstElement();
                SuEditionComposite.this.containmentList = getJbiModel().getServices().getProvides();
                upProvidesButton.setEnabled(SuEditionComposite.this.containmentList
                        .indexOf(SuEditionComposite.this.selectedEndpoint) > 0);
                downProvidesButton.setEnabled(SuEditionComposite.this.containmentList.indexOf(
                        SuEditionComposite.this.selectedEndpoint) != SuEditionComposite.this.containmentList
                                .size() - 1);

                refreshDetails();
            }

            removeProvidesButton.setEnabled(SuEditionComposite.this.selectedEndpoint != null);
        }
    });

    this.consumesViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = ((IStructuredSelection) SuEditionComposite.this.consumesViewer
                    .getSelection());
            if (selection.isEmpty()) {
                SuEditionComposite.this.selectedEndpoint = null;
                upConsumesButton.setEnabled(false);
                downConsumesButton.setEnabled(false);

            } else {
                SuEditionComposite.this.providesViewer.setSelection(new StructuredSelection());
                SuEditionComposite.this.selectedEndpoint = (Consumes) selection.getFirstElement();
                SuEditionComposite.this.containmentList = getJbiModel().getServices().getConsumes();
                upConsumesButton.setEnabled(SuEditionComposite.this.containmentList
                        .indexOf(SuEditionComposite.this.selectedEndpoint) > 0);
                downConsumesButton.setEnabled(SuEditionComposite.this.containmentList.indexOf(
                        SuEditionComposite.this.selectedEndpoint) != SuEditionComposite.this.containmentList
                                .size() - 1);

                refreshDetails();
            }

            removeConsumesButton.setEnabled(SuEditionComposite.this.selectedEndpoint != null);
        }
    });
}

From source file:com.ebmwebsourcing.petals.services.su.export.SuBulkExportWizardPage.java

License:Open Source License

/**
 * Constructor./*from  ww  w . j a v a2 s.  c  o m*/
 * @param selection
 */
public SuBulkExportWizardPage(IStructuredSelection selection) {

    super("SU Bulk Export Page");
    setTitle("Bulk Services Export"); //NON-NLS-1
    setDescription("Create n Petals services from one Service Unit project."); //NON-NLS-1

    if (!selection.isEmpty()) {
        IProject project = PlatformUtils.getAdaptedProject(selection.getFirstElement());
        if (project != null && ServiceProjectRelationUtils.isSuProject(project))
            this.suProject = project;
    }

    try {
        ImageDescriptor desc = PlatformUI.getWorkbench().getSharedImages()
                .getImageDescriptor(ISharedImages.IMG_OBJ_FOLDER);
        if (desc != null)
            this.folderImg = desc.createImage();

    } catch (Exception e) {
        PetalsServicesPlugin.log(e, IStatus.WARNING);
    }

    try {
        ImageDescriptor desc = PlatformUI.getWorkbench().getSharedImages()
                .getImageDescriptor(org.eclipse.ui.ide.IDE.SharedImages.IMG_OBJ_PROJECT);
        if (desc != null)
            this.projectImg = desc.createImage();

    } catch (Exception e) {
        PetalsServicesPlugin.log(e, IStatus.WARNING);
    }

    try {
        ImageDescriptor desc = PetalsServicesPlugin.getImageDescriptor("icons/obj16/properties.gif");
        if (desc != null)
            this.propertiesImg = desc.createImage();

    } catch (Exception e) {
        PetalsServicesPlugin.log(e, IStatus.WARNING);
    }
}

From source file:com.elphel.vdt.ui.launching.LaunchShortcut.java

License:Open Source License

private static IProject getActiveProject(ISelection selection) {
    if ((selection != null) && (selection instanceof IStructuredSelection)) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (!ssel.isEmpty()) {
            Object object = ssel.getFirstElement();
            if (object instanceof IAdaptable) {
                IProject project = (IProject) ((IAdaptable) object).getAdapter(IProject.class);
                if (project != null && project.isOpen())
                    return project;
            }//from   ww w. ja v a2s .co m
        }
    }
    return null;
}