Example usage for org.eclipse.jface.databinding.viewers.typed ViewerProperties singleSelection

Introduction

In this page you can find the example usage for org.eclipse.jface.databinding.viewers.typed ViewerProperties singleSelection.

Prototype

public static <S extends ISelectionProvider, E> IViewerValueProperty<S, E> singleSelection() 

Source Link

Document

Returns a value property for observing the single selection of a ISelectionProvider .

Usage

From source file:org.eclipse.jface.examples.databinding.snippets.Snippet026AnonymousBeanProperties.java

License:Open Source License

private void bindUI() {
    ISetProperty<Object, Object> treeChildrenProperty = new DelegatingSetProperty<Object, Object>() {
        ISetProperty<ApplicationModel, ContactGroup> modelGroups = BeanProperties.set(ApplicationModel.class,
                "groups", ContactGroup.class);
        ISetProperty<ContactGroup, Contact> groupContacts = BeanProperties.set(ContactGroup.class, "contacts",
                Contact.class);

        @SuppressWarnings("unchecked")
        @Override/* www.  ja v a2s. c  o  m*/
        protected ISetProperty<Object, Object> doGetDelegate(Object source) {
            if (source instanceof ApplicationModel)
                return (ISetProperty<Object, Object>) (Object) modelGroups;
            if (source instanceof ContactGroup)
                return (ISetProperty<Object, Object>) (Object) groupContacts;
            return null;
        }
    };

    ViewerSupport.bind(contactViewer, model, treeChildrenProperty, BeanProperties.values("name", "status"));

    contactViewer.expandAll();

    final IObservableValue<Object> selection = ViewerProperties.singleSelection().observe(contactViewer);

    DataBindingContext dbc = new DataBindingContext();

    dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(nameText),
            BeanProperties.value("name").observeDetail(selection));

    statusViewer.setContentProvider(new ArrayContentProvider());
    statusViewer.setInput(statuses);

    dbc.bindValue(ViewerProperties.singleSelection().observe(statusViewer),
            BeanProperties.value("status").observeDetail(selection));

    dbc.bindValue(WidgetProperties.enabled().observe(statusViewer.getControl()),
            ComputedValue.create(() -> selection.getValue() instanceof Contact));
}

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From source file:org.eclipse.n4js.ui.wizard.project.N4JSNewProjectWizardCreationPage.java

License:Open Source License

private void initProjectTypeBinding(final DataBindingContext dbc, final ComboViewer projectType) {
    dbc.bindValue(ViewerProperties.singleSelection().observe(projectType),
            PojoProperties.value(N4JSProjectInfo.class, PROJECT_TYPE_PROP_NAME).observe(projectInfo));
}

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