Java 类org.eclipse.xtext.xbase.ui.editor.XbaseEditor 实例源码

public Class<? extends XtextEditor> bindXtextEditor() {
    return XbaseEditor.class;
}

/**
 * Create contents of the wizard.
 * 
 * @param parent
 */
@SuppressWarnings("restriction")
public void createControl(Composite parent) {
    Composite container = new Composite(parent, SWT.NULL);
    setControl(container);
    container.setLayout(new BorderLayout(0, 0));

    Composite composite = new Composite(container, SWT.NONE);
    composite.setLayoutData(BorderLayout.NORTH);
    composite.setLayout(new FillLayout(SWT.HORIZONTAL));

    GridLayout layout = new GridLayout();
    composite.setLayout(layout);
    layout.numColumns = 2;

    Label desc = new Label(composite, SWT.RIGHT);
    desc.setText("Description");

    Text descField = new Text(composite, SWT.None);
    descField.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            description = descField.getText();
        }
    });

    descField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    tree = new TreeViewer(container, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    tree.setContentProvider(new PatternContentProvider());
    tree.setLabelProvider(new PatternLabelProvider());
    tree.expandAll();

    IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();

    if (editor instanceof XbaseEditor) {
        XbaseEditor xeditor = (XbaseEditor) editor;
        IXtextDocument document = xeditor.getDocument();
        Object root = document.readOnly(new IUnitOfWork<Object, XtextResource>() {

            @Override
            public Object exec(XtextResource state) throws Exception {
                return state.getContents().get(0);
            }

        });
        if (root != null && root instanceof PatternModel) {
            model = (PatternModel) root;
            if(model.getPatterns().isEmpty())
                setPageComplete(false);
            else
                setPageComplete(true);
            tree.setInput(root);
        }
    }
}