/**
* Register a new resource which should correspond to a resource tag in the .ui.xml file.
*
* @param localName The type of the resource ('with', 'style', 'image' or 'data')
* @param attributes Map of attributes parsed from the tag
* @param parentTag The parent tag if any
* @param owner The {@link UiBinder} owner widget, which calls the {@link
* UiBinder#createAndBindUi(Object)} method to initialize itself.
* @return The UiBinderTag which wraps the Resource instance.
* @throws GwtTestUiBinderException If the localName is not managed or if the alias is already
* binded to another Resource object
*/
UiTag<?> registerResource(
String localName, Map<String, Object> attributes, UiTag<?> parentTag, Object owner)
throws GwtTestUiBinderException {
String alias = getResourceAlias(localName, attributes);
if (resources.containsKey(alias)) {
throw new GwtTestUiBinderException(
"Two inner resources '"
+ alias
+ " are declared in "
+ owner.getClass().getSimpleName()
+ ".ui.xml. You should add a 'field' attribute to one of them");
}
Class<?> type = getResourceType(alias, localName, attributes);
if ("with".equals(localName)) {
// special resource <ui:with> : the resource can be annotated with
// @UiConstructor, @UiFactory or @UiField(provided=true)
Object resource = UiBinderInstanciator.getInstance(type, attributes, owner);
resources.put(alias, resource);
return new UiWithTag(resource);
}
ResourcePrototypeProxyBuilder builder =
ResourcePrototypeProxyBuilder.createBuilder(type, owner.getClass());
// common properties
builder.name(alias);
if ("style".equals(localName)) {
// <ui:style>
return new UiStyleTag(builder, alias, parentTag, owner, resources);
} else if ("image".equals(localName)) {
// <ui:image>
return new UiBinderImage(builder, alias, parentTag, owner, resources, attributes);
} else if ("data".equals(localName)) {
// <ui:data>
return new UiDataTag(builder, alias, parentTag, owner, resources, attributes);
} else {
throw new GwtTestUiBinderException(
"resource <" + localName + "> element is not yet implemented by gwt-test-utils");
}
}
UiDataTag(
ResourcePrototypeProxyBuilder builder,
String alias,
UiTag<?> parentTag,
Object owner,
Map<String, Object> resources,
Map<String, Object> attributes) {
super(builder, alias, parentTag, owner, resources);
// handle "src" attribute
String src = (String) attributes.get("src");
builder.resourceURL(computeImageURL(owner, src));
}
@Override
protected Object buildObject(ResourcePrototypeProxyBuilder builder) {
return builder.build();
}
@Override
protected Object buildObject(ResourcePrototypeProxyBuilder builder) {
return builder.text(text.toString()).build();
}