componentPanel.setLayoutData(componentGridData);
// set a background to let user see limits of the component
componentPanel.setBackground(new Color(Display.getCurrent(), 255, 175, 175));// PINK as in awt
TextArea theComponent = new TextArea(componentPanel, SWT.NONE);
theComponent.setText("A textArea");
theComponent.setLayoutData(new RowData(100, 30));
// ----------
Group testPanelIComponent = IComponentTestPanel.getTestPanel(mainComposite, theComponent);
Group testPanelIEditableComponent = IEditableComponentTestPanel.getTestPanel(mainComposite, theComponent);
Group testPanelITextTarget = ITextTargetTestPanel.getTestPanel(mainComposite, theComponent);