deac/jquery
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

cloneCopyEvent; jQuery.clone() review

Browse source
This commit is contained in:
rwldrn 2011-01-20 14:25:56 -05:00
parent 64e1cdbb95
commit 49cd9c66bf
1 changed files with 71 additions and 63 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

108
src/manipulation.js
View file

@ -183,43 +183,10 @@ jQuery.fn.extend({
return this; return this;
}, },
clone: function( events ) { clone: function( events, deepData ) {
// Do the clone return this.map( function () {
var ret = this.map(function() { return jQuery.clone( this, events == null ? true : events, deepData == null ? true : deepData );
var clone = this.cloneNode(true);
if ( !jQuery.support.noCloneEvent && (this.nodeType === 1 || this.nodeType === 11) && !jQuery.isXMLDoc(this) ) {
// 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
// proprietary methods to clear the events. Thanks to MooTools
// guys for this hotness.
// Using Sizzle here is crazy slow, so we use getElementsByTagName
// instead
var srcElements = this.getElementsByTagName("*"),
destElements = clone.getElementsByTagName("*");
// 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] );
}
cloneFixAttributes( this, clone );
}
return clone;
}); });
// Copy the events from the original to the clone
if ( events === true ) {
cloneCopyEvent( this, ret );
cloneCopyEvent( this.find("*"), ret.find("*") );
}
// Return the cloned set
return ret;
}, },
html: function( value ) { html: function( value ) {
@ -347,7 +314,7 @@ jQuery.fn.extend({
root(this[i], first) : root(this[i], first) :
this[i], this[i],
i > 0 || results.cacheable || (this.length > 1 && i > 0) ? i > 0 || results.cacheable || (this.length > 1 && i > 0) ?
jQuery(fragment).clone(true)[0] : jQuery.clone( fragment, true, true ) :
fragment fragment
); );
} }
@ -369,21 +336,15 @@ function root( elem, cur ) {
elem; elem;
} }
function cloneCopyEvent(orig, ret) { function cloneCopyEvent( src, dest ) {
ret.each(function (nodeIndex) {
if ( this.nodeType !== 1 || !jQuery.hasData(orig[nodeIndex]) ) { if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
return; return;
} }
// 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 internalKey = jQuery.expando, var internalKey = jQuery.expando,
oldData = jQuery.data( orig[nodeIndex] ), oldData = jQuery.data( src ),
curData = jQuery.data( this, oldData ); curData = jQuery.data( dest, oldData );
// Switch to use the internal data object, if it exists, for the next // Switch to use the internal data object, if it exists, for the next
// stage of data copying // stage of data copying
@ -397,12 +358,11 @@ function cloneCopyEvent(orig, ret) {
for ( var type in events ) { for ( var type in events ) {
for ( var i = 0, l = events[ type ].length; i < l; i++ ) { for ( var i = 0, l = events[ type ].length; i < l; i++ ) {
jQuery.event.add( this, type, events[ type ][ i ], events[ type ][ i ].data ); jQuery.event.add( dest, type, events[ type ][ i ], events[ type ][ i ].data );
} }
} }
} }
} }
});
} }
function cloneFixAttributes(src, dest) { function cloneFixAttributes(src, dest) {
@ -520,6 +480,54 @@ jQuery.each({
}); });
jQuery.extend({ jQuery.extend({
clone: function( elem, dataAndEvents, deepCloneDataAndEvents ) {
var clone = elem.cloneNode(true),
srcElements,
destElements;
if ( !jQuery.support.noCloneEvent && ( 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
// proprietary methods to clear the events. Thanks to MooTools
// guys for this hotness.
// Using Sizzle here is crazy slow, so we use getElementsByTagName
// instead
srcElements = elem.getElementsByTagName("*");
destElements = clone.getElementsByTagName("*");
// 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] );
}
cloneFixAttributes( elem, clone );
}
// Copy the events from the original to the clone
if ( dataAndEvents === true ) {
cloneCopyEvent( elem , clone );
if ( deepCloneDataAndEvents === true && "getElementsByTagName" in elem ) {
srcElements = elem.getElementsByTagName("*");
destElements = clone.getElementsByTagName("*");
if ( srcElements.length ) {
for ( var i = 0; i < srcElements.length; ++i ) {
cloneCopyEvent( srcElements[i], destElements[i] );
}
}
}
}
// Return the cloned set
return clone;
},
clean: function( elems, context, fragment, scripts ) { clean: function( elems, context, fragment, scripts ) {
context = context || document; context = context || document;