public JComponent buildWidget(
String elementName, Map<String, String> attributes, SwingMetawidget metawidget) {
// Not read-only?
if (!WidgetBuilderUtils.isReadOnly(attributes)) {
return null;
}
// Hidden
if (TRUE.equals(attributes.get(HIDDEN))) {
return new Stub();
}
// Action
if (ACTION.equals(elementName)) {
JButton button = new JButton(metawidget.getLabelString(attributes));
button.setEnabled(false);
return button;
}
// Masked (return a JPanel, so that we DO still render a label)
if (TRUE.equals(attributes.get(MASKED))) {
return new JPanel();
}
// Lookups
String lookup = attributes.get(LOOKUP);
if (lookup != null && !"".equals(lookup)) {
// May have alternate labels
String lookupLabels = attributes.get(LOOKUP_LABELS);
if (lookupLabels != null && !"".equals(lookupLabels)) {
return new LookupLabel(
CollectionUtils.newHashMap(
CollectionUtils.fromString(lookup), CollectionUtils.fromString(lookupLabels)));
}
return new JLabel();
}
// Lookup the Class
Class<?> clazz = WidgetBuilderUtils.getActualClassOrType(attributes, String.class);
if (clazz != null) {
// Primitives
if (clazz.isPrimitive()) {
return new JLabel();
}
if (String.class.equals(clazz)) {
if (TRUE.equals(attributes.get(LARGE))) {
// Do not use a JLabel: JLabels do not support carriage returns like JTextAreas
// do, so a multi-line JTextArea formats to a single line JLabel. Instead use
// a non-editable JTextArea within a borderless JScrollPane
JTextArea textarea = new JTextArea();
// Since we know we are dealing with Strings, we consider
// word-wrapping a sensible default
textarea.setLineWrap(true);
textarea.setWrapStyleWord(true);
textarea.setEditable(false);
// We also consider 2 rows a sensible default, so that the
// read-only JTextArea is always distinguishable from a JLabel
textarea.setRows(2);
JScrollPane scrollPane = new JScrollPane(textarea);
scrollPane.setBorder(null);
return scrollPane;
}
return new JLabel();
}
if (Character.class.equals(clazz)) {
return new JLabel();
}
if (Date.class.equals(clazz)) {
return new JLabel();
}
if (Boolean.class.equals(clazz)) {
return new JLabel();
}
if (Number.class.isAssignableFrom(clazz)) {
return new JLabel();
}
// Collections
if (Collection.class.isAssignableFrom(clazz)) {
return new Stub();
}
}
// Not simple, but don't expand
if (TRUE.equals(attributes.get(DONT_EXPAND))) {
return new JLabel();
}
// Nested Metawidget
return null;
}
public Component processWidget(
final Component component,
String elementName,
Map<String, String> attributes,
VaadinMetawidget metawidget) {
// Only bind to non-read-only Actions
if (!ACTION.equals(elementName)) {
return component;
}
if (component instanceof Stub) {
return component;
}
if (!(component instanceof Button)) {
throw WidgetProcessorException.newException(
"ReflectionBindingProcessor only supports binding actions to Buttons");
}
if (WidgetBuilderUtils.isReadOnly(attributes)) {
return component;
}
if (metawidget == null) {
return component;
}
Object toInspect = metawidget.getToInspect();
if (toInspect == null) {
return component;
}
Button button = (Button) component;
// Traverse to the last Object...
String[] names = PathUtils.parsePath(metawidget.getPath()).getNamesAsArray();
for (String name : names) {
toInspect = ClassUtils.getProperty(toInspect, name);
if (toInspect == null) {
return component;
}
}
// ...and wire it up
final Object fireActionOn = toInspect;
final Class<?> fireActionOnClass = fireActionOn.getClass();
final String actionName = attributes.get(NAME);
button.addListener(
new ClickListener() {
public void buttonClick(ClickEvent event) {
try {
Method method = fireActionOnClass.getMethod(actionName, (Class[]) null);
method.invoke(fireActionOn, (Object[]) null);
} catch (Exception e) {
throw WidgetProcessorException.newException(e);
}
}
});
return component;
}
public View buildWidget(
String elementName, Map<String, String> attributes, AndroidMetawidget metawidget) {
// Not read-only?
if (!WidgetBuilderUtils.isReadOnly(attributes)) {
return null;
}
// Hidden
if (TRUE.equals(attributes.get(HIDDEN))) {
return new Stub(metawidget.getContext());
}
// Action
if (ACTION.equals(elementName)) {
return new Stub(metawidget.getContext());
}
// Masked (return an invisible View, so that we DO still
// render a label and reserve some blank space)
if (TRUE.equals(attributes.get(MASKED))) {
TextView view = new TextView(metawidget.getContext());
view.setVisibility(View.INVISIBLE);
return view;
}
// Lookups
String lookup = attributes.get(LOOKUP);
if (lookup != null && !"".equals(lookup)) {
return new TextView(metawidget.getContext());
}
// Lookup the Class
Class<?> clazz = WidgetBuilderUtils.getActualClassOrType(attributes, String.class);
if (clazz != null) {
if (clazz.isPrimitive()) {
return new TextView(metawidget.getContext());
}
if (String.class.equals(clazz)) {
return new TextView(metawidget.getContext());
}
if (Character.class.equals(clazz)) {
return new TextView(metawidget.getContext());
}
if (Date.class.equals(clazz)) {
return new TextView(metawidget.getContext());
}
if (Boolean.class.equals(clazz)) {
return new TextView(metawidget.getContext());
}
if (Number.class.isAssignableFrom(clazz)) {
return new TextView(metawidget.getContext());
}
// Collections
if (Collection.class.isAssignableFrom(clazz)) {
return new Stub(metawidget.getContext());
}
}
// Not simple, but don't expand
if (TRUE.equals(attributes.get(DONT_EXPAND))) {
return new TextView(metawidget.getContext());
}
// Nested Metawidget
return null;
}
@SuppressWarnings("deprecation")
public UIComponent processWidget(
UIComponent component,
String elementName,
Map<String, String> attributes,
UIMetawidget metawidget) {
// Actions don't get converters
if (ACTION.equals(elementName)) {
return component;
}
// Recurse into stubs...
if (component instanceof UIStub) {
// ...whose children have the same value binding as us...
//
// (this is important because choice of Converter is based off the attributes Map, and
// if the value binding is different then all bets are off as to the accuracy of the
// attributes)
javax.faces.el.ValueBinding valueBinding = component.getValueBinding("value");
if (valueBinding != null) {
String expressionString = valueBinding.getExpressionString();
List<UIComponent> children = component.getChildren();
for (UIComponent componentChild : children) {
javax.faces.el.ValueBinding childValueBinding = componentChild.getValueBinding("value");
if (childValueBinding == null) {
continue;
}
if (!expressionString.equals(childValueBinding.getExpressionString())) {
continue;
}
// ...and apply the Converter to them
processWidget(componentChild, elementName, attributes, metawidget);
}
}
return component;
}
// Ignore components that cannot have Converters
if (!(component instanceof ValueHolder)) {
return component;
}
// Defer evaluation of EL-based converters, else we will fail trying to store/restore them
// from the ViewState
ValueHolder valueHolder = (ValueHolder) component;
String converterId = attributes.get(FACES_CONVERTER);
if (converterId != null && FacesUtils.isExpression(converterId)) {
FacesContext context = FacesContext.getCurrentInstance();
component.setValueBinding(
"converter", context.getApplication().createValueBinding(converterId));
return component;
}
// Standard Converter
valueHolder.setConverter(getConverter(valueHolder, attributes));
return component;
}