Examples with ASTViewer eu.esdihumboldt.hale.ui.util.groovy.ast.viewer.ASTViewer used on opensource projects

Example 1 with ASTViewer

use of eu.esdihumboldt.hale.ui.util.groovy.ast.viewer.ASTViewer in project hale by halestudio.

the class GroovyASTTray method createContents.

@Override
protected Control createContents(Composite parent) {
    Composite page = new Composite(parent, SWT.NONE);
    GridLayoutFactory.fillDefaults().numColumns(1).applyTo(page);
    final ASTViewer viewer = new ASTViewer(page, groovyViewer);
    GridDataFactory.fillDefaults().grab(true, true).hint(400, SWT.DEFAULT).applyTo(viewer.getControl());
    if (groovyViewer != null) {
        // current AST
        try {
            GroovyAST ast = groovyViewer.getCompiled().get();
            if (ast != null) {
                viewer.setInput(ast.getNodes());
                viewer.getTreeViewer().expandAll();
            } else {
                viewer.setInput(null);
            }
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        // listen to AST changes
        final IPropertyChangeListener listener = new IPropertyChangeListener() {

            @Override
            public void propertyChange(final PropertyChangeEvent event) {
                if (CompilingSourceViewer.PROPERTY_COMPILED.equals(event.getProperty())) {
                    PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {

                        @Override
                        public void run() {
                            if (event.getNewValue() instanceof GroovyAST) {
                                viewer.setInput(((GroovyAST) event.getNewValue()).getNodes());
                                viewer.getTreeViewer().expandAll();
                            } else {
                                viewer.setInput(null);
                            }
                        }
                    });
                }
            }
        };
        groovyViewer.addPropertyChangeListener(listener);
        // ensure listener is removed
        page.addDisposeListener(new DisposeListener() {

            @Override
            public void widgetDisposed(DisposeEvent e) {
                groovyViewer.removePropertyChangeListener(listener);
            }
        });
    }
    return page;
}