List of usage examples for org.eclipse.jface.viewers StructuredSelection isEmpty
@Override
public boolean isEmpty()
From source file:gov.redhawk.explorer.wizard.SelectDomainPage.java
License:Open Source License
@Override public void createControl(final Composite parent) { final Composite container = new Composite(parent, SWT.NULL); final GridLayout layout = new GridLayout(3, false); container.setLayout(layout);//w w w .j ava2s . c o m this.patternFilter = new MyPatternFilter(); this.domainList = new FormFilteredTree(container, SWT.SINGLE | SWT.V_SCROLL, this.patternFilter); this.domainList.setBackground(container.getBackground()); this.domainList.setLayoutData( GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).span(2, 1).create()); this.domainList.getViewer().setContentProvider(new AdapterFactoryContentProvider(getAdapterFactory())); this.domainList.getViewer().setLabelProvider(new AdapterFactoryLabelProvider(getAdapterFactory()) { @Override public String getText(final Object object) { String text = super.getText(object); if (object instanceof ScaDomainManager) { text += " (" + ((ScaDomainManager) object).getState().getLiteral().toUpperCase() + ")"; } return text; } }); this.domainList.getViewer().setFilters(createDomainViewerFilter()); this.domainList.getViewer().setInput(ScaPlugin.getDefault().getDomainManagerRegistry()); this.domainList.getViewer().addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(final SelectionChangedEvent event) { boolean domainSelected = false; boolean appsRunning = false; final StructuredSelection selection = (StructuredSelection) event.getSelection(); if (!selection.isEmpty() && selection.getFirstElement() instanceof ScaDomainManager) { if (connect(selection)) { domainSelected = true; try { appsRunning = SelectDomainPage.this.mgr.applications().length > 0; } catch (final Exception e) { // PASS - You can connect to a domain that isn't up but is in the NameService } } } SelectDomainPage.this.setPageComplete(domainSelected); SelectDomainPage.this.parent.appsRunning(appsRunning); } }); final Composite buttonBox = new Composite(container, SWT.NULL); buttonBox.setLayoutData( GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.FILL).grab(false, true).create()); final GridLayout l = new GridLayout(); l.marginWidth = 0; buttonBox.setLayout(l); final Button newButton = new Button(buttonBox, SWT.PUSH); newButton.setText(" New... "); newButton.setLayoutData(GridDataFactory.fillDefaults().create()); newButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(final SelectionEvent e) { widgetSelected(e); } @Override public void widgetSelected(final SelectionEvent e) { final ScaDomainManagerRegistry registry = ScaPlugin.getDefault().getDomainManagerRegistry(); final DomainEntryWizard wizard = new DomainEntryWizard(); wizard.setShowExtraSettings(false); wizard.setRegistry(registry); wizard.setWindowTitle("Add Domain Manager"); final WizardDialog dialog = new WizardDialog(getShell(), wizard); if (dialog.open() == IStatus.OK) { final Map<String, String> connectionProperties = Collections .singletonMap(ScaDomainManager.NAMING_SERVICE_PROP, wizard.getNameServiceInitRef()); ScaModelCommand.execute(registry, new ScaModelCommand() { @Override public void execute() { registry.createDomain(wizard.getDomainName(), false, connectionProperties); } }); } } }); setControl(container); }
From source file:info.novatec.inspectit.rcp.preferences.page.CmrRepositoryPreferencePage.java
/** * Updates the state of the remove and license info buttons depending on the current table * selection.//w ww . ja v a 2 s . co m */ private void updateButtonsState() { StructuredSelection structuredSelection = (StructuredSelection) tableViewer.getSelection(); if (structuredSelection.isEmpty()) { removeButton.setEnabled(false); manageLabelsButton.setEnabled(false); } else { removeButton.setEnabled(true); if (structuredSelection.size() == 1 && ((CmrRepositoryDefinition) structuredSelection.getFirstElement()) .getOnlineStatus() == OnlineStatus.ONLINE) { manageLabelsButton.setEnabled(true); } else { manageLabelsButton.setEnabled(false); } } }
From source file:name.schedenig.eclipse.grepconsole.view.items.ItemsTreePanel.java
License:Open Source License
/** * Returns the currently selected element. If multiple elements are selected, * the first one is returned./*from w w w .j a va 2s . c o m*/ * * @return Element. May be <code>null</code>. */ public AbstractGrepModelElement getSelectedElement() { StructuredSelection selection = (StructuredSelection) viewer.getSelection(); if (selection.isEmpty()) { return null; } return (AbstractGrepModelElement) selection.getFirstElement(); }
From source file:name.schedenig.eclipse.grepconsole.view.items.ItemsTreePanel.java
License:Open Source License
/** * Returns the set of currently selected element. If no element is selected, * <code>null</code> is returned. * /*from w ww. j ava 2 s . c o m*/ * @return Selected elements, or <code>null</code>. */ public Set<AbstractGrepModelElement> getSelectedElements() { StructuredSelection selection = (StructuredSelection) viewer.getSelection(); if (selection.isEmpty()) { return null; } @SuppressWarnings("unchecked") LinkedHashSet<AbstractGrepModelElement> elements = new LinkedHashSet<AbstractGrepModelElement>( selection.toList()); return elements; }
From source file:net.efano.sandbox.jface.snippets.TableViewerColors.java
License:Open Source License
/** * @param args//from w w w . ja v a 2 s. com */ public static void main(String[] args) { final List<Person> persons = new ArrayList<Person>(); persons.add(new Person("Fiona Apple", Person.FEMALE)); persons.add(new Person("Elliot Smith", Person.MALE)); persons.add(new Person("Diana Krall", Person.FEMALE)); persons.add(new Person("David Gilmour", Person.MALE)); final Display display = new Display(); Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { public void run() { Shell shell = new Shell(display); shell.setText("Gender Bender"); shell.setLayout(new GridLayout()); Table table = new Table(shell, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); GridData gd_table = new GridData(SWT.FILL, SWT.FILL, true, false); gd_table.heightHint = 352; table.setLayoutData(gd_table); table.setHeaderVisible(true); table.setLinesVisible(true); TableColumn column = new TableColumn(table, SWT.NONE); column.setText("No"); column.setWidth(20); column = new TableColumn(table, SWT.NONE); column.setText("Name"); column.setWidth(100); final TableViewer viewer = new TableViewer(table); IObservableList observableList = Observables.staticObservableList(persons); ObservableListContentProvider contentProvider = new ObservableListContentProvider(); viewer.setContentProvider(contentProvider); // this does not have to correspond to the columns in the table, // we just list all attributes that affect the table content. IObservableSet oset = contentProvider.getKnownElements(); IObservableMap[] attributes = BeansObservables.observeMaps(contentProvider.getKnownElements(), Person.class, new String[] { "name", "gender" }); class ColorLabelProvider extends ObservableMapLabelProvider implements ITableColorProvider { Color male = display.getSystemColor(SWT.COLOR_BLUE); Color female = new Color(display, 255, 192, 203); ColorLabelProvider(IObservableMap[] attributes) { super(attributes); } // to drive home the point that attributes does not have to // match // the columns // in the table, we change the column text as follows: @Override public String getColumnText(Object element, int index) { if (index == 0) { return Integer.toString(persons.indexOf(element) + 1); } return ((Person) element).getName(); } @Override public Color getBackground(Object element, int index) { return null; } @Override public Color getForeground(Object element, int index) { if (index == 0) return null; Person person = (Person) element; return (person.getGender() == Person.MALE) ? male : female; } @Override public void dispose() { super.dispose(); female.dispose(); } } viewer.setLabelProvider(new ColorLabelProvider(attributes)); viewer.setInput(observableList); table.getColumn(0).pack(); Button button = new Button(shell, SWT.PUSH); button.setText("Toggle Gender"); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent arg0) { StructuredSelection selection = (StructuredSelection) viewer.getSelection(); if (selection != null && !selection.isEmpty()) { Person person = (Person) selection.getFirstElement(); person.setGender((person.getGender() == Person.MALE) ? Person.FEMALE : Person.MALE); } } }); shell.setSize(380, 713); Button btnAddRow = new Button(shell, SWT.NONE); btnAddRow.setText("Add Row"); newRowNameText = new Text(shell, SWT.BORDER); newRowNameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); Composite composite = new Composite(shell, SWT.NONE); composite.setLayout(new FillLayout(SWT.HORIZONTAL)); GridData gd_composite = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1); gd_composite.widthHint = 129; gd_composite.heightHint = 26; composite.setLayoutData(gd_composite); Button maleRadioButton = new Button(composite, SWT.RADIO); maleRadioButton.setText("Male"); Button femaleRadioButton = new Button(composite, SWT.RADIO); femaleRadioButton.setText("Female"); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } } }); display.dispose(); }
From source file:net.karlmartens.ui.widget.GridChooser.java
License:Apache License
private static int minSelectionOrder(TableViewer viewer) { final StructuredSelection selection = (StructuredSelection) viewer.getSelection(); if (selection.isEmpty()) return -1; final GridChooserItem[] items = new GridChooserItem[selection.size()]; System.arraycopy(selection.toArray(), 0, items, 0, selection.size()); int index = items[0].getSelectionOrder(); for (int i = 1; i < items.length; i++) { final int candidate = items[i].getSelectionOrder(); if (index > candidate) { index = candidate;/* ww w . j a v a 2 s.c om*/ } } return index; }
From source file:net.karlmartens.ui.widget.GridChooser.java
License:Apache License
private static int maxSelectionOrder(TableViewer viewer) { final StructuredSelection selection = (StructuredSelection) viewer.getSelection(); if (selection.isEmpty()) return -1; final GridChooserItem[] items = new GridChooserItem[selection.size()]; System.arraycopy(selection.toArray(), 0, items, 0, selection.size()); int index = items[0].getSelectionOrder(); for (int i = 1; i < items.length; i++) { final int candidate = items[i].getSelectionOrder(); if (index < candidate) { index = candidate;/*from ww w . ja v a 2 s. co m*/ } } return index; }
From source file:net.refractions.udig.catalog.internal.wmt.ui.view.WMTZoomLevelSwitcher.java
License:Open Source License
private int getSelectedZoomLevel() { StructuredSelection selection = (StructuredSelection) cvZoomLevels.getSelection(); if (selection.isEmpty()) { return zoomLevels[0]; } else {/*from w w w .j a v a 2s . co m*/ return (Integer) selection.getFirstElement(); } }
From source file:net.refractions.udig.catalog.internal.wmt.ui.view.WMTZoomLevelSwitcher.java
License:Open Source License
private ILayer getSelectedLayer() { StructuredSelection selection = (StructuredSelection) cvLayers.getSelection(); if (selection.isEmpty()) { return null; } else {//from ww w. j av a2s. c o m return (ILayer) selection.getFirstElement(); } }
From source file:net.rim.ejde.internal.menu.DebugConfigurationsCommandHandler.java
License:Open Source License
@Override public Object execute(ExecutionEvent event) throws ExecutionException { StructuredSelection selection = (StructuredSelection) HandlerUtil.getCurrentSelection(event); if (selection != null && !selection.isEmpty()) { AbstractLaunchShortcut ls = new FledgeLaunchShortcut(); ls.openLaunchConfiguration(selection, "debug"); } else {//from w ww . j ava2 s . co m DebugUITools.openLaunchConfigurationDialog(Display.getDefault().getShells()[0], StructuredSelection.EMPTY, "debug"); } return null; }