private static BindingInfo createBindingInfo(
Object targetSource, String propertyName, XamlElement bindingNode) {
BindingInfo bindingInfo = bindingCache.get(bindingNode);
if (bindingInfo != null) {
// TODO: To check if binding changed.
return bindingInfo;
}
Observable target = ObservableUtil.getObservable(targetSource);
Property targetProperty = target.getProperty(propertyName);
String elementName = null;
String modelPropertyName = null;
String bindingMode = null;
String updateTtrigger = null;
String converter = null;
XamlAttribute attribute = bindingNode.getAttribute(ELEMENT_NAME);
if (attribute != null) {
elementName = attribute.getValue();
}
attribute = bindingNode.getAttribute(PATH);
if (attribute != null) {
modelPropertyName = attribute.getValue();
}
attribute = bindingNode.getAttribute(MODE);
if (attribute != null) {
bindingMode = attribute.getValue();
}
attribute = bindingNode.getAttribute(CONVERTER);
if (attribute != null) {
converter = attribute.getValue();
}
attribute = bindingNode.getAttribute(UPDATE_SOURCE_TRIGGER);
if (attribute != null) {
updateTtrigger = attribute.getValue();
}
Object modelSource;
if (elementName != null) {
modelSource = XWT.findElementByName(targetSource, elementName);
} else {
modelSource = getDataContext(targetSource);
}
IObservable model = ObservableUtil.getObservable(modelSource);
if (model == null) {
return null;
}
Property modelProperty = model.getProperty(modelPropertyName);
bindingInfo = new BindingInfo(new BindingContext(target, targetProperty, model, modelProperty));
bindingInfo.setElementName(elementName);
if (bindingMode != null) {
bindingInfo.setBindingMode(BindingMode.valueOf(bindingMode));
}
if (updateTtrigger != null) {
bindingInfo.setTriggerMode(UpdateSourceTrigger.valueOf(updateTtrigger));
}
bindingInfo.setConverter(converter);
bindingInfo.setBindingNode(bindingNode);
bindingCache.put(bindingNode, bindingInfo);
return bindingInfo;
}
