// from the original. In order to get around this, we use some
// proprietary methods to clear the events. Thanks to MooTools
// guys for this hotness.
- var srcElements = jQuery(this).find('*').andSelf();
- jQuery(clone).find('*').andSelf().each(function (i, clone) {
- // We do not need to do anything for non-Elements
- if (this.nodeType !== 1) {
- return;
- }
- // clearAttributes removes the attributes, but also
- // removes the attachEvent events
- clone.clearAttributes();
+ // Using Sizzle here is crazy slow, so we use getElementsByTagName
+ // instead
+ var srcElements = this.getElementsByTagName("*"),
+ destElements = clone.getElementsByTagName("*");
- // mergeAttributes only merges back on the original attributes,
- // not the events
- clone.mergeAttributes(srcElements[i]);
+ // Weird iteration because IE will replace the length property
+ // with an element if you are cloning the body and one of the
+ // elements on the page has a name or id of "length"
+ for ( var i = 0; srcElements[i]; ++i ) {
+ cloneFixAttributes( srcElements[i], destElements[i] );
+ }
- // IE6-8 fail to clone children inside object elements that use
- // the proprietary classid attribute value (rather than the type
- // attribute) to identify the type of content to display
- if (clone.nodeName.toLowerCase() === 'object') {
- clone.outerHTML = srcElements[i].outerHTML;
- }
- });
+ cloneFixAttributes( this, clone );
}
return clone;
}
function cloneCopyEvent(orig, ret) {
- var i = 0;
-
- ret.each(function() {
- if ( this.nodeType !== 1 || this.nodeName !== (orig[i] && orig[i].nodeName) ) {
+ ret.each(function (nodeIndex) {
+ if ( this.nodeType !== 1 || !jQuery.hasData(orig[nodeIndex]) ) {
return;
}
- var oldData = jQuery.data( orig[i++] ),
+ // XXX remove for 1.5 RC or merge back in if there is actually a reason for this check that has been
+ // unexposed by unit tests
+ if ( this.nodeName !== (orig[nodeIndex] && orig[nodeIndex].nodeName) ) {
+ throw "Cloned data mismatch";
+ }
+
+ var oldData = jQuery.data( orig[nodeIndex] ),
curData = jQuery.data( this, oldData ),
events = oldData && oldData.events;
curData.events = {};
for ( var type in events ) {
- for ( var handler in events[ type ] ) {
- jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
+ for ( var i = 0, l = events[ type ].length; i < l; i++ ) {
+ jQuery.event.add( this, type, events[ type ][ i ], events[ type ][ i ].data );
}
}
}
});
}
+function cloneFixAttributes(src, dest) {
+ // We do not need to do anything for non-Elements
+ if ( dest.nodeType !== 1 ) {
+ return;
+ }
+
+ var nodeName = dest.nodeName.toLowerCase();
+
+ // clearAttributes removes the attributes, which we don't want,
+ // but also removes the attachEvent events, which we *do* want
+ dest.clearAttributes();
+
+ // mergeAttributes, in contrast, only merges back on the
+ // original attributes, not the events
+ dest.mergeAttributes(src);
+
+ // IE6-8 fail to clone children inside object elements that use
+ // the proprietary classid attribute value (rather than the type
+ // attribute) to identify the type of content to display
+ if ( nodeName === "object" ) {
+ dest.outerHTML = src.outerHTML;
+
+ } else if ( nodeName === "input" && (src.type === "checkbox" || src.type === "radio") ) {
+ // IE6-8 fails to persist the checked state of a cloned checkbox
+ // or radio button. Worse, IE6-7 fail to give the cloned element
+ // a checked appearance if the defaultChecked value isn't also set
+ if ( src.checked ) {
+ dest.defaultChecked = dest.checked = src.checked;
+ }
+
+ // IE6-7 get confused and end up setting the value of a cloned
+ // checkbox/radio button to an empty string instead of "on"
+ if ( dest.value !== src.value ) {
+ dest.value = src.value;
+ }
+
+ // IE6-8 fails to return the selected option to the default selected
+ // state when cloning options
+ } else if ( nodeName === "option" ) {
+ dest.selected = src.defaultSelected;
+
+ // IE6-8 fails to set the defaultValue to the correct value when
+ // cloning other types of input fields
+ } else if ( nodeName === "input" || nodeName === "textarea" ) {
+ dest.defaultValue = src.defaultValue;
+ }
+
+ // Event data gets referenced instead of copied if the expando
+ // gets copied too
+ dest.removeAttribute( jQuery.expando );
+}
+
jQuery.buildFragment = function( args, nodes, scripts ) {
var fragment, cacheable, cacheresults,
doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
- // Only cache "small" (1/2 KB) strings that are associated with the main document
+ // Only cache "small" (1/2 KB) HTML strings that are associated with the main document
// Cloning options loses the selected state, so don't cache them
// IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
// Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && doc === document &&
- !rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {
+ args[0].charAt(0) === "<" && !rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {
cacheable = true;
cacheresults = jQuery.fragments[ args[0] ];
jQuery.removeEvent( elem, type, data.handle );
}
}
+
+ // Null the DOM reference to avoid IE6/7/8 leak (#7054)
+ if ( data.handle ) {
+ data.handle.elem = null;
+ }
}
if ( deleteExpando ) {
git.asbjorn.biz / jquery.git / blobdiff