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Auto merge of #10558 - frewsxcv:tr-SectionRowIndex, r=KiChjang

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Implement `sectionRowIndex` property on `<tr>`.

Fixes https://github.com/servo/servo/issues/10509.

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This commit is contained in:
bors-servo 2016-04-13 19:33:26 +05:30
commit 9053721a32
5 changed files with 29 additions and 76 deletions
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7
components/script/dom/htmltableelement.rs
View file

@ -118,13 +118,6 @@ impl HTMLTableElement {
thead.upcast::<Node>().remove_self();
}
}
/// Determine the row index for the given `HTMLTableRowElement`.
pub fn row_index(&self, row_elem: &HTMLTableRowElement) -> Option<usize> {
self.Rows()
.elements_iter()
.position(|elem| (&elem as &Element) == row_elem.upcast::<Element>())
}
}
impl HTMLTableElementMethods for HTMLTableElement {

31
components/script/dom/htmltablerowelement.rs
View file

@ -4,7 +4,9 @@
use cssparser::RGBA;
use dom::attr::AttrValue;
use dom::bindings::codegen::Bindings::HTMLTableElementBinding::HTMLTableElementMethods;
use dom::bindings::codegen::Bindings::HTMLTableRowElementBinding::{self, HTMLTableRowElementMethods};
use dom::bindings::codegen::Bindings::HTMLTableSectionElementBinding::HTMLTableSectionElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::error::{ErrorResult, Fallible};
use dom::bindings::inheritance::Castable;
@ -54,6 +56,14 @@ impl HTMLTableRowElement {
document,
HTMLTableRowElementBinding::Wrap)
}
/// Determine the index for this `HTMLTableRowElement` within the given
/// `HTMLCollection`. Returns `-1` if not found within collection.
fn row_index(&self, collection: Root<HTMLCollection>) -> i32 {
collection.elements_iter()
.position(|elem| (&elem as &Element) == self.upcast())
.map_or(-1, |i| i as i32)
}
}
impl HTMLTableRowElementMethods for HTMLTableRowElement {
@ -97,7 +107,7 @@ impl HTMLTableRowElementMethods for HTMLTableRowElement {
None => return -1,
};
if let Some(table) = parent.downcast::<HTMLTableElement>() {
return table.row_index(self).map_or(-1, |i| i as i32);
return self.row_index(table.Rows());
}
if !parent.is::<HTMLTableSectionElement>() {
return -1;
@ -107,8 +117,23 @@ impl HTMLTableRowElementMethods for HTMLTableRowElement {
None => return -1,
};
grandparent.downcast::<HTMLTableElement>()
.and_then(|table| table.row_index(self))
.map_or(-1, |i| i as i32)
.map_or(-1, |table| self.row_index(table.Rows()))
}
// https://html.spec.whatwg.org/multipage/#dom-tr-sectionrowindex
fn SectionRowIndex(&self) -> i32 {
let parent = match self.upcast::<Node>().GetParentNode() {
Some(parent) => parent,
None => return -1,
};
let collection = if let Some(table) = parent.downcast::<HTMLTableElement>() {
table.Rows()
} else if let Some(table_section) = parent.downcast::<HTMLTableSectionElement>() {
table_section.Rows()
} else {
return -1;
};
self.row_index(collection)
}
}

2
components/script/dom/webidls/HTMLTableRowElement.webidl
View file

@ -6,7 +6,7 @@
// https://html.spec.whatwg.org/multipage/#htmltablerowelement
interface HTMLTableRowElement : HTMLElement {
readonly attribute long rowIndex;
//readonly attribute long sectionRowIndex;
readonly attribute long sectionRowIndex;
readonly attribute HTMLCollection cells;
[Throws]
HTMLElement insertCell(optional long index = -1);