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Remove sniffing from Element.update branching in favor of feature detection. [#574 state:resolved]

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This commit is contained in:
Andrew Dupont 2009-03-08 18:16:02 -05:00
parent 7833e8c909
commit ba2c26090b
2 changed files with 67 additions and 32 deletions
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2
CHANGELOG
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@ -1,3 +1,5 @@
* Remove sniffing from `Element.update` branching in favor of feature detection. [#574 state:resolved] (kangax)
* Remove sniffing when branching `escapeHTML` and `unescapeHTML`. [#570 state:resolved] (kangax)
* Redefine Element#down in IE 6-7 to avoid extending all descendants when no selector is given. [#452 state:resolved] (eno, Andrew Dupont)

97
src/dom/dom.js
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@ -156,15 +156,71 @@ Element.Methods = {
* If `newContent` is omitted, the element's content is blanked out (i.e.,
* replaced with an empty string).
**/
update: function(element, content) {
element = $(element);
if (content && content.toElement) content = content.toElement();
if (Object.isElement(content)) return element.update().insert(content);
content = Object.toHTML(content);
element.innerHTML = content.stripScripts();
content.evalScripts.bind(content).defer();
return element;
},
update: (function(){
// see: http://support.microsoft.com/kb/276228
var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
var el = document.createElement("select"),
isBuggy = true;
el.innerHTML = "<option value=\"test\">test</option>";
if (el.options && el.options[0]) {
isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
}
el = null;
return isBuggy;
})();
// see: http://msdn.microsoft.com/en-us/library/ms533897(VS.85).aspx
var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
try {
var el = document.createElement("table");
if (el && el.tBodies) {
el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
var isBuggy = typeof el.tBodies[0] == "undefined";
el = null;
return isBuggy;
}
} catch (e) {
return true;
}
})();
function update(element, content) {
element = $(element);
if (content && content.toElement)
content = content.toElement();
if (Object.isElement(content))
return element.update().insert(content);
content = Object.toHTML(content);
if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
var tagName = element.tagName.toUpperCase();
if (tagName in Element._insertionTranslations.tags) {
$A(element.childNodes).each(function(node) {
element.removeChild(node);
});
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node) {
element.appendChild(node)
});
}
else {
element.innerHTML = content.stripScripts();
}
}
else {
element.innerHTML = content.stripScripts();
}
content.evalScripts.bind(content).defer();
return element;
}
return update;
})(),
/**
* Element#replace(@element[, newContent]) -> Element
@ -1392,29 +1448,6 @@ else if (Prototype.Browser.WebKit) {
};
}
if (Prototype.Browser.IE || Prototype.Browser.Opera) {
// IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
Element.Methods.update = function(element, content) {
element = $(element);
if (content && content.toElement) content = content.toElement();
if (Object.isElement(content)) return element.update().insert(content);
content = Object.toHTML(content);
var tagName = element.tagName.toUpperCase();
if (tagName in Element._insertionTranslations.tags) {
$A(element.childNodes).each(function(node) { element.removeChild(node) });
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node) { element.appendChild(node) });
}
else element.innerHTML = content.stripScripts();
content.evalScripts.bind(content).defer();
return element;
};
}
if ('outerHTML' in document.createElement('div')) {
Element.Methods.replace = function(element, content) {
element = $(element);