Add insert_adjacent methods into Element

This commit is contained in:
Guillaume Gomez 2016-03-26 16:54:52 +01:00
parent 68a8085a2f
commit c05a9b039e
4 changed files with 135 additions and 0 deletions

View file

@ -1168,6 +1168,35 @@ impl Element {
let node = self.upcast::<Node>();
node.owner_doc().element_attr_will_change(self);
}
// https://dom.spec.whatwg.org/#insert-adjacent
pub fn insert_adjacent(&self, where_: DOMString, node: &Node)
-> Fallible<Option<Root<Node>>> {
let self_node = self.upcast::<Node>();
match &*where_ {
"beforebegin" => {
if let Some(parent) = self_node.GetParentNode() {
Node::pre_insert(node, &parent, Some(self_node)).map(Some)
} else {
Ok(None)
}
}
"afterbegin" => {
Node::pre_insert(node, &self_node, self_node.GetFirstChild().r()).map(Some)
}
"beforeend" => {
Node::pre_insert(node, &self_node, None).map(Some)
}
"afterend" => {
if let Some(parent) = self_node.GetParentNode() {
Node::pre_insert(node, &parent, self_node.GetNextSibling().r()).map(Some)
} else {
Ok(None)
}
}
_ => Err(Error::Syntax)
}
}
}
impl ElementMethods for Element {
@ -1620,6 +1649,23 @@ impl ElementMethods for Element {
}
}
}
// https://dom.spec.whatwg.org/#dom-element-insertadjacentelement
fn InsertAdjacentElement(&self, where_: DOMString, element: &Element)
-> Fallible<Option<Root<Element>>> {
let inserted_node = try!(self.insert_adjacent(where_, element.upcast()));
Ok(inserted_node.map(|node| Root::downcast(node).unwrap()))
}
// https://dom.spec.whatwg.org/#dom-element-insertadjacenttext
fn InsertAdjacentText(&self, where_: DOMString, data: DOMString)
-> ErrorResult {
// Step 1.
let text = Text::new(data, &document_from_node(self));
// Step 2.
self.insert_adjacent(where_, text.upcast()).map(|_| ())
}
}
pub fn fragment_affecting_attributes() -> [Atom; 3] {

View file

@ -70,6 +70,10 @@ interface Element : Node {
HTMLCollection getElementsByTagName(DOMString localName);
HTMLCollection getElementsByTagNameNS(DOMString? namespace, DOMString localName);
HTMLCollection getElementsByClassName(DOMString classNames);
[Throws]
Element? insertAdjacentElement(DOMString where_, Element element);
[Throws]
void insertAdjacentText(DOMString where_, DOMString data);
};
// http://dev.w3.org/csswg/cssom-view/#extensions-to-the-element-interface

View file

@ -34800,6 +34800,12 @@
"url": "/XMLHttpRequest/responseurl.html"
}
],
"dom/nodes/insert-adjacent.html": [
{
"path": "dom/nodes/insert-adjacent.html",
"url": "/dom/nodes/insert-adjacent.html"
}
],
"html/semantics/forms/textfieldselection/selection-after-content-change.html": [
{
"path": "html/semantics/forms/textfieldselection/selection-after-content-change.html",

View file

@ -0,0 +1,79 @@
<!doctype html>
<meta charset="utf-8">
<title></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#element {
display: none;
}
</style>
<div id="element"></div>
<div id="log"></div>
<script>
var possiblePositions = {
'beforebegin': 'previousSibling'
, 'afterbegin': 'firstChild'
, 'beforeend': 'lastChild'
, 'afterend': 'nextSibling'
}
var texts = {
'beforebegin': 'raclette'
, 'afterbegin': 'tartiflette'
, 'beforeend': 'lasagne'
, 'afterend': 'gateau aux pommes'
}
var el = document.querySelector('#element');
Object.keys(possiblePositions).forEach(function(position) {
var div = document.createElement('h3');
test(function() {
div.id = texts[position];
el.insertAdjacentElement(position, div);
assert_equals(el[possiblePositions[position]].id, texts[position]);
}, 'insertAdjacentElement(' + position + ', ' + div + ' )');
test(function() {
el.insertAdjacentText(position, texts[position]);
assert_equals(el[possiblePositions[position]].textContent, texts[position]);
}, 'insertAdjacentText(' + position + ', ' + texts[position] + ' )');
});
test(function() {
assert_throws(new TypeError(), function() {
el.insertAdjacentElement('afterbegin',
document.implementation.createDocumentType("html"))
})
}, 'invalid object argument insertAdjacentElement')
test(function() {
var el = document.implementation.createHTMLDocument().documentElement;
assert_throws("HIERARCHY_REQUEST_ERR", function() {
el.insertAdjacentElement('beforebegin', document.createElement('banane'))
})
}, 'invalid caller object insertAdjacentElement')
test(function() {
var el = document.implementation.createHTMLDocument().documentElement;
assert_throws("HIERARCHY_REQUEST_ERR", function() {
el.insertAdjacentText('beforebegin', 'tomate farcie')
})
}, 'invalid caller object insertAdjacentText')
test(function() {
var div = document.createElement('h3');
assert_throws("SYNTAX_ERR", function() {
el.insertAdjacentElement('heeeee', div)
})
}, "invalid syntax for insertAdjacentElement")
test(function() {
assert_throws("SYNTAX_ERR", function() {
el.insertAdjacentText('hoooo', 'magret de canard')
})
}, "invalid syntax for insertAdjacentText")
test(function() {
var div = document.createElement('div');
assert_equals(div.insertAdjacentElement("beforebegin", el), null);
}, 'insertAdjacentText should return null');
</script>