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Make a new jQuery.support.noCloneChecked - splitting apart the previous feature detect relating to clone in IE, fixes the last remaining issue with IE 9 RC. Fixes #8365.

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This commit is contained in:
jeresig 2011-02-23 13:18:44 -05:00
parent 3663836b01
commit 292acd97a2
3 changed files with 33 additions and 17 deletions
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30
src/manipulation.js
View file

@ -489,6 +489,18 @@ jQuery.each({
};
});
function getAll( elem ) {
if ( "getElementsByTagName" in elem ) {
return elem.getElementsByTagName( "*" );
} else if ( "querySelectorAll" in elem ) {
return elem.querySelectorAll( "*" );
} else {
return [];
}
}
jQuery.extend({
clone: function( elem, dataAndEvents, deepDataAndEvents ) {
var clone = elem.cloneNode(true),
@ -496,7 +508,8 @@ jQuery.extend({
destElements,
i;
if ( !jQuery.support.noCloneEvent && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
(elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
// IE copies events bound via attachEvent when using cloneNode.
// Calling detachEvent on the clone will also remove the events
// from the original. In order to get around this, we use some
@ -507,8 +520,8 @@ jQuery.extend({
// Using Sizzle here is crazy slow, so we use getElementsByTagName
// instead
srcElements = elem.getElementsByTagName("*");
destElements = clone.getElementsByTagName("*");
srcElements = getAll( elem );
destElements = getAll( clone );
// Weird iteration because IE will replace the length property
// with an element if you are cloning the body and one of the
@ -520,21 +533,18 @@ jQuery.extend({
// Copy the events from the original to the clone
if ( dataAndEvents ) {
cloneCopyEvent( elem, clone );
if ( deepDataAndEvents && "getElementsByTagName" in elem ) {
if ( deepDataAndEvents ) {
srcElements = getAll( elem );
destElements = getAll( clone );
srcElements = elem.getElementsByTagName("*");
destElements = clone.getElementsByTagName("*");
if ( srcElements.length ) {
for ( i = 0; srcElements[i]; ++i ) {
cloneCopyEvent( srcElements[i], destElements[i] );
}
}
}
}
// Return the cloned set
return clone;
},

9
src/support.js
View file

@ -12,7 +12,8 @@
var all = div.getElementsByTagName("*"),
a = div.getElementsByTagName("a")[0],
select = document.createElement("select"),
opt = select.appendChild( document.createElement("option") );
opt = select.appendChild( document.createElement("option") ),
input = div.getElementsByTagName("input")[0];
// Can't get basic test support
if ( !all || !all.length || !a ) {
@ -51,7 +52,7 @@
// Make sure that if no value is specified for a checkbox
// that it defaults to "on".
// (WebKit defaults to "" instead)
checkOn: div.getElementsByTagName("input")[0].value === "on",
checkOn: input.value === "on",
// Make sure that a selected-by-default option has a working selected property.
// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
@ -62,12 +63,16 @@
optDisabled: false,
checkClone: false,
noCloneEvent: true,
noCloneChecked: true,
boxModel: null,
inlineBlockNeedsLayout: false,
shrinkWrapBlocks: false,
reliableHiddenOffsets: true
};
input.checked = true;
jQuery.support.noCloneChecked = input.cloneNode( true ).checked;
// Make sure that the options inside disabled selects aren't marked as disabled
// (WebKit marks them as diabled)
select.disabled = true;

7
test/unit/manipulation.js
View file

@ -402,7 +402,8 @@ test("append(Function) with incoming value", function() {
});
test("append the same fragment with events (Bug #6997, 5566)", function () {
expect(2 + (document.fireEvent ? 1 : 0));
var doExtra = !jQuery.support.noCloneEvent && document.fireEvent;
expect(2 + (doExtra ? 1 : 0));
stop(1000);
var element;
@ -410,7 +411,7 @@ test("append the same fragment with events (Bug #6997, 5566)", function () {
// This patch modified the way that cloning occurs in IE; we need to make sure that
// native event handlers on the original object don't get disturbed when they are
// modified on the clone
if (!jQuery.support.noCloneEvent && document.fireEvent) {
if ( doExtra ) {
element = jQuery("div:first").click(function () {
ok(true, "Event exists on original after being unbound on clone");
jQuery(this).unbind('click');
@ -1015,7 +1016,7 @@ test("clone(form element) (Bug #3879, #6655)", function() {
equals( clone.is(":checked"), element.is(":checked"), "Checked input cloned correctly" );
equals( clone[0].defaultValue, "foo", "Checked input defaultValue cloned correctly" );
equals( clone[0].defaultChecked, !jQuery.support.noCloneEvent, "Checked input defaultChecked cloned correctly" );
equals( clone[0].defaultChecked, !jQuery.support.noCloneChecked, "Checked input defaultChecked cloned correctly" );
element = jQuery("<input type='text' value='foo'>");
clone = element.clone();