protected Set<String> collectFieldIds(List<FormField> fields) {
Set<String> fieldIds = new HashSet<>();
for (FormField field : fields) {
if (field.getId() != null) {
fieldIds.add(field.getId());
}
}
return fieldIds;
}
public void parse(Form form, WorkflowParser parser) {
this.form = form;
if (form != null && form.getFields() != null && !form.getFields().isEmpty()) {
int index = 0;
Set<String> fieldIds = collectFieldIds(form.getFields());
for (FormField field : form.getFields()) {
parser.pushContext("fields", field, null, index);
Binding binding = field.getBinding();
if (binding != null) {
BindingImpl bindingImpl = parser.parseBinding(binding, "binding");
if (!field.isReadOnly()
&& (bindingImpl.expression == null || bindingImpl.expression.fields != null)) {
parser.addWarning(
"Writable form fields should have an expression containing a variable id");
} else {
String variableId = null;
if (bindingImpl != null) {
ExpressionImpl expression = bindingImpl.expression;
if (!field.isReadOnly() && expression != null && expression.fields != null) {
parser.addWarning(
"Writable form fields can only specify variables, not fields inside variables");
}
if (field.getType() == null && expression.type != null) {
field.setType(expression.type.serialize());
}
if (field.getName() == null && expression != null && expression.fields == null) {
ScopeImpl scope = parser.getCurrentScope();
VariableImpl variableImpl =
scope.findVariableByIdRecursive(bindingImpl.expression.variableId);
if (variableImpl != null) {
variableId = variableImpl.id;
field.setName(variableImpl.variable.getName());
}
}
}
String fieldId = field.getId();
if (fieldId == null) {
fieldId = generateFieldId(fieldIds, variableId);
field.setId(fieldId);
fieldIds.add(fieldId);
}
addBinding(field, bindingImpl);
}
}
parser.popContext();
index++;
}
}
}
public void addBinding(FormField formField, BindingImpl binding) {
if (formFieldBindings == null) {
formFieldBindings = new HashMap<>();
}
formFieldBindings.put(formField.getId(), new FormFieldBinding(formField, binding));
}