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html form validation initial steps with test html file, added stub methods, added code to handle validations

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This commit is contained in:
Bhavya Bansal 2016-10-28 18:12:20 -07:00
parent e4fcc066d1
commit 2a40877851
9 changed files with 124 additions and 15 deletions
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45
components/script/dom/htmlformelement.rs Normal file → Executable file
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@ -36,6 +36,7 @@ use dom::htmloutputelement::HTMLOutputElement;
use dom::htmlselectelement::HTMLSelectElement;
use dom::htmltextareaelement::HTMLTextAreaElement;
use dom::node::{Node, document_from_node, window_from_node};
use dom::validitystate::ValidationFlags;
use dom::virtualmethods::VirtualMethods;
use encoding::EncodingRef;
use encoding::all::UTF_8;
@ -469,12 +470,22 @@ impl HTMLFormElement {
// form, refactor this when html5ever's form owner PR lands
// Step 1-3
let invalid_controls = node.traverse_preorder().filter_map(|field| {
if let Some(_el) = field.downcast::<Element>() {
None // Remove this line if you decide to refactor
// XXXKiChjang: Form control elements should each have a candidate_for_validation
// and satisfies_constraints methods
if let Some(el) = field.downcast::<Element>() {
if el.disabled_state() {
None
} else {
let validatable = match el.as_maybe_validatable() {
Some(v) => v,
None => return None
};
if !validatable.is_instance_validatable() {
None
} else if validatable.validate(ValidationFlags::empty()) {
None
} else {
Some(FormSubmittableElement::from_element(&el))
}
}
} else {
None
}
@ -700,7 +711,7 @@ pub enum FormSubmittableElement {
// KeygenElement(&'a HTMLKeygenElement),
ObjectElement(Root<HTMLObjectElement>),
SelectElement(Root<HTMLSelectElement>),
TextAreaElement(Root<HTMLTextAreaElement>)
TextAreaElement(Root<HTMLTextAreaElement>),
}
impl FormSubmittableElement {
@ -713,6 +724,26 @@ impl FormSubmittableElement {
FormSubmittableElement::TextAreaElement(ref textarea) => textarea.upcast()
}
}
fn from_element(element: &Element) -> FormSubmittableElement {
if let Some(input) = element.downcast::<HTMLInputElement>() {
FormSubmittableElement::InputElement(Root::from_ref(&input))
}
else if let Some(input) = element.downcast::<HTMLButtonElement>() {
FormSubmittableElement::ButtonElement(Root::from_ref(&input))
}
else if let Some(input) = element.downcast::<HTMLObjectElement>() {
FormSubmittableElement::ObjectElement(Root::from_ref(&input))
}
else if let Some(input) = element.downcast::<HTMLSelectElement>() {
FormSubmittableElement::SelectElement(Root::from_ref(&input))
}
else if let Some(input) = element.downcast::<HTMLTextAreaElement>() {
FormSubmittableElement::TextAreaElement(Root::from_ref(&input))
} else {
unreachable!()
}
}
}
#[derive(Copy, Clone, HeapSizeOf)]