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textarea minLength/maxLength

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This commit is contained in:
tigercosmos 2018-06-17 06:33:22 -07:00
parent 440e855c33
commit bdb6706f19
6 changed files with 173 additions and 549 deletions
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49
components/script/dom/htmltextareaelement.rs
View file

@ -105,10 +105,13 @@ impl LayoutHTMLTextAreaElementHelpers for LayoutDom<HTMLTextAreaElement> {
}
// https://html.spec.whatwg.org/multipage/#attr-textarea-cols-value
static DEFAULT_COLS: u32 = 20;
const DEFAULT_COLS: u32 = 20;
// https://html.spec.whatwg.org/multipage/#attr-textarea-rows-value
static DEFAULT_ROWS: u32 = 2;
const DEFAULT_ROWS: u32 = 2;
const DEFAULT_MAX_LENGTH: i32 = -1;
const DEFAULT_MIN_LENGTH: i32 = -1;
impl HTMLTextAreaElement {
fn new_inherited(local_name: LocalName,
@ -192,6 +195,18 @@ impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
// https://html.spec.whatwg.org/multipage/#dom-textarea-placeholder
make_setter!(SetPlaceholder, "placeholder");
// https://html.spec.whatwg.org/multipage/#attr-textarea-maxlength
make_int_getter!(MaxLength, "maxlength", DEFAULT_MAX_LENGTH);
// https://html.spec.whatwg.org/multipage/#attr-textarea-maxlength
make_limited_int_setter!(SetMaxLength, "maxlength", DEFAULT_MAX_LENGTH);
// https://html.spec.whatwg.org/multipage/#attr-textarea-minlength
make_int_getter!(MinLength, "minlength", DEFAULT_MIN_LENGTH);
// https://html.spec.whatwg.org/multipage/#attr-textarea-minlength
make_limited_int_setter!(SetMinLength, "minlength", DEFAULT_MIN_LENGTH);
// https://html.spec.whatwg.org/multipage/#attr-textarea-readonly
make_bool_getter!(ReadOnly, "readonly");
@ -369,6 +384,34 @@ impl VirtualMethods for HTMLTextAreaElement {
}
}
},
local_name!("maxlength") => {
match *attr.value() {
AttrValue::Int(_, value) => {
let mut textinput = self.textinput.borrow_mut();
if value < 0 {
textinput.set_max_length(None);
} else {
textinput.set_max_length(Some(value as usize))
}
},
_ => panic!("Expected an AttrValue::Int"),
}
},
local_name!("minlength") => {
match *attr.value() {
AttrValue::Int(_, value) => {
let mut textinput = self.textinput.borrow_mut();
if value < 0 {
textinput.set_min_length(None);
} else {
textinput.set_min_length(Some(value as usize))
}
},
_ => panic!("Expected an AttrValue::Int"),
}
},
local_name!("placeholder") => {
{
let mut placeholder = self.placeholder.borrow_mut();
@ -409,6 +452,8 @@ impl VirtualMethods for HTMLTextAreaElement {
match *name {
local_name!("cols") => AttrValue::from_limited_u32(value.into(), DEFAULT_COLS),
local_name!("rows") => AttrValue::from_limited_u32(value.into(), DEFAULT_ROWS),
local_name!("maxlength") => AttrValue::from_limited_i32(value.into(), DEFAULT_MAX_LENGTH),
local_name!("minlength") => AttrValue::from_limited_i32(value.into(), DEFAULT_MIN_LENGTH),
_ => self.super_type().unwrap().parse_plain_attribute(name, value),
}
}

8
components/script/dom/webidls/HTMLTextAreaElement.webidl
View file

@ -18,10 +18,10 @@ interface HTMLTextAreaElement : HTMLElement {
readonly attribute HTMLFormElement? form;
// [CEReactions]
// attribute DOMString inputMode;
// [CEReactions]
// attribute long maxLength;
// [CEReactions]
// attribute long minLength;
[CEReactions, SetterThrows]
attribute long maxLength;
[CEReactions, SetterThrows]
attribute long minLength;
attribute DOMString name;
[CEReactions]
attribute DOMString placeholder;