jquery/src/manipulation.js

467 lines
12 KiB
JavaScript

var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
rleadingWhitespace = /^\s+/,
rxhtmlTag = /(<([\w:]+)[^>]*?)\/>/g,
rselfClosing = /^(?:abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i,
rtagName = /<([\w:]+)/,
rtbody = /<tbody/i,
rhtml = /<|&\w+;/,
fcloseTag = function(all, front, tag){
return rselfClosing.test(tag) ?
all :
front + "></" + tag + ">";
},
wrapMap = {
option: [ 1, "<select multiple='multiple'>", "</select>" ],
legend: [ 1, "<fieldset>", "</fieldset>" ],
thead: [ 1, "<table>", "</table>" ],
tr: [ 2, "<table><tbody>", "</tbody></table>" ],
td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
_default: [ 0, "", "" ]
};
wrapMap.optgroup = wrapMap.option;
wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
wrapMap.th = wrapMap.td;
// IE can't serialize <link> and <script> tags normally
if ( !jQuery.support.htmlSerialize ) {
wrapMap._default = [ 1, "div<div>", "</div>" ];
}
jQuery.fn.extend({
text: function( text ) {
if ( typeof text !== "object" && text !== undefined ) {
return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
}
var ret = "";
jQuery.each( this, function() {
// Get the text from text nodes and CDATA nodes
if ( this.nodeType === 3 || this.nodeType === 4 ) {
ret += this.nodeValue;
// Traverse everything else, except comment nodes
} else if ( this.nodeType !== 8 ) {
ret += jQuery.fn.text.call( this.childNodes );
}
});
return ret;
},
wrapAll: function( html ) {
if ( jQuery.isFunction( html ) ) {
return this.each(function() {
jQuery(this).wrapAll( html.apply(this, arguments) );
});
}
if ( this[0] ) {
// The elements to wrap the target around
var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone();
if ( this[0].parentNode ) {
wrap.insertBefore( this[0] );
}
wrap.map(function(){
var elem = this;
while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
elem = elem.firstChild;
}
return elem;
}).append(this);
}
return this;
},
wrapInner: function( html ) {
return this.each(function(){
jQuery( this ).contents().wrapAll( html );
});
},
wrap: function( html ) {
return this.each(function(){
jQuery( this ).wrapAll( html );
});
},
unwrap: function() {
return this.parent().each(function(){
if ( !jQuery.nodeName( this, "body" ) ) {
jQuery( this ).replaceWith( this.childNodes );
}
}).end();
},
append: function() {
return this.domManip(arguments, true, function(elem){
if ( this.nodeType === 1 ) {
this.appendChild( elem );
}
});
},
prepend: function() {
return this.domManip(arguments, true, function(elem){
if ( this.nodeType === 1 ) {
this.insertBefore( elem, this.firstChild );
}
});
},
before: function() {
if ( this[0] && this[0].parentNode ) {
return this.domManip(arguments, false, function(elem){
this.parentNode.insertBefore( elem, this );
});
} else if ( arguments.length ) {
var set = jQuery(arguments[0]);
set.push.apply( set, this.toArray() );
return this.pushStack( set, "before", arguments );
}
},
after: function() {
if ( this[0] && this[0].parentNode ) {
return this.domManip(arguments, false, function(elem){
this.parentNode.insertBefore( elem, this.nextSibling );
});
} else if ( arguments.length ) {
var set = this.pushStack( this, "after", arguments );
set.push.apply( set, jQuery(arguments[0]).toArray() );
return set;
}
},
clone: function( events ) {
// Do the clone
var ret = this.map(function(){
if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
// IE copies events bound via attachEvent when
// using cloneNode. Calling detachEvent on the
// clone will also remove the events from the orignal
// In order to get around this, we use innerHTML.
// Unfortunately, this means some modifications to
// attributes in IE that are actually only stored
// as properties will not be copied (such as the
// the name attribute on an input).
var html = this.outerHTML, ownerDocument = this.ownerDocument;
if ( !html ) {
var div = ownerDocument.createElement("div");
div.appendChild( this.cloneNode(true) );
html = div.innerHTML;
}
return jQuery.clean([html.replace(rinlinejQuery, "")
.replace(rleadingWhitespace, "")], ownerDocument)[0];
} else {
return this.cloneNode(true);
}
});
// Copy the events from the original to the clone
if ( events === true ) {
var orig = this.find("*").andSelf(), i = 0;
ret.find("*").andSelf().each(function(){
if ( this.nodeName !== orig[i].nodeName ) { return; }
var events = jQuery.data( orig[i], "events" );
for ( var type in events ) {
for ( var handler in events[ type ] ) {
jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
}
}
i++;
});
}
// Return the cloned set
return ret;
},
html: function( value ) {
if ( value === undefined ) {
return this[0] ?
this[0].innerHTML.replace(rinlinejQuery, "") :
null;
// See if we can take a shortcut and just use innerHTML
} else if ( typeof value === "string" && !/<script/i.test( value ) &&
(!jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value )) &&
!wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) {
try {
for ( var i = 0, l = this.length; i < l; i++ ) {
// Remove element nodes and prevent memory leaks
if ( this[i].nodeType === 1 ) {
cleanData( this[i].getElementsByTagName("*") );
this[i].innerHTML = value;
}
}
// If using innerHTML throws an exception, use the fallback method
} catch(e) {
this.empty().append( value );
}
} else {
this.empty().append( value );
}
return this;
},
replaceWith: function( value ) {
if ( this[0] && this[0].parentNode ) {
return this.after( value ).remove();
} else {
return this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value );
}
},
detach: function( selector ) {
return this.remove( selector, true );
},
domManip: function( args, table, callback ) {
var results, first, value = args[0], scripts = [];
if ( jQuery.isFunction(value) ) {
return this.each(function() {
args[0] = value.call(this);
return jQuery(this).domManip( args, table, callback );
});
}
if ( this[0] ) {
// If we're in a fragment, just use that instead of building a new one
if ( args[0] && args[0].parentNode && args[0].parentNode.nodeType === 11 ) {
results = { fragment: args[0].parentNode };
} else {
results = buildFragment( args, this, scripts );
}
first = results.fragment.firstChild;
if ( first ) {
table = table && jQuery.nodeName( first, "tr" );
for ( var i = 0, l = this.length; i < l; i++ ) {
callback.call(
table ?
root(this[i], first) :
this[i],
results.cacheable || this.length > 1 || i > 0 ?
results.fragment.cloneNode(true) :
results.fragment
);
}
}
if ( scripts ) {
jQuery.each( scripts, evalScript );
}
}
return this;
function root( elem, cur ) {
return jQuery.nodeName(elem, "table") ?
(elem.getElementsByTagName("tbody")[0] ||
elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
elem;
}
}
});
function buildFragment(args, nodes, scripts){
var fragment, cacheable, cached, cacheresults, doc;
if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 ) {
cacheable = true;
cacheresults = jQuery.fragments[ args[0] ];
if ( cacheresults ) {
if ( cacheresults !== 1 ) {
fragment = cacheresults;
}
cached = true;
}
}
if ( !fragment ) {
doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
fragment = doc.createDocumentFragment();
jQuery.clean( args, doc, fragment, scripts );
}
if ( cacheable ) {
jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
}
return { fragment: fragment, cacheable: cacheable };
}
jQuery.fragments = {};
jQuery.each({
appendTo: "append",
prependTo: "prepend",
insertBefore: "before",
insertAfter: "after",
replaceAll: "replaceWith"
}, function(name, original){
jQuery.fn[ name ] = function( selector ) {
var ret = [], insert = jQuery( selector );
for ( var i = 0, l = insert.length; i < l; i++ ) {
var elems = (i > 0 ? this.clone(true) : this).get();
jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
ret = ret.concat( elems );
}
return this.pushStack( ret, name, insert.selector );
};
});
jQuery.each({
// keepData is for internal use only--do not document
remove: function( selector, keepData ) {
if ( !selector || jQuery.filter( selector, [ this ] ).length ) {
if ( !keepData && this.nodeType === 1 ) {
cleanData( this.getElementsByTagName("*") );
cleanData( [ this ] );
}
if ( this.parentNode ) {
this.parentNode.removeChild( this );
}
}
},
empty: function() {
// Remove element nodes and prevent memory leaks
if ( this.nodeType === 1 ) {
cleanData( this.getElementsByTagName("*") );
}
// Remove any remaining nodes
while ( this.firstChild ) {
this.removeChild( this.firstChild );
}
}
}, function(name, fn){
jQuery.fn[ name ] = function(){
return this.each( fn, arguments );
};
});
jQuery.extend({
clean: function( elems, context, fragment, scripts ) {
context = context || document;
// !context.createElement fails in IE with an error but returns typeof 'object'
if ( typeof context.createElement === "undefined" ) {
context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
}
var ret = [], div = context.createElement("div");
jQuery.each(elems, function(i, elem){
if ( typeof elem === "number" ) {
elem += '';
}
if ( !elem ) { return; }
// Convert html string into DOM nodes
if ( typeof elem === "string" && !rhtml.test( elem ) ) {
elem = context.createTextNode( elem );
} else if ( typeof elem === "string" ) {
// Fix "XHTML"-style tags in all browsers
elem = elem.replace(rxhtmlTag, fcloseTag);
// Trim whitespace, otherwise indexOf won't work as expected
var tag = (rtagName.exec( elem ) || ["", ""])[1].toLowerCase(),
wrap = wrapMap[ tag ] || wrapMap._default,
depth = wrap[0];
// Go to html and back, then peel off extra wrappers
div.innerHTML = wrap[1] + elem + wrap[2];
// Move to the right depth
while ( depth-- ) {
div = div.lastChild;
}
// Remove IE's autoinserted <tbody> from table fragments
if ( !jQuery.support.tbody ) {
// String was a <table>, *may* have spurious <tbody>
var hasBody = rtbody.test(elem),
tbody = tag === "table" && !hasBody ?
div.firstChild && div.firstChild.childNodes :
// String was a bare <thead> or <tfoot>
wrap[1] == "<table>" && !hasBody ?
div.childNodes :
[];
for ( var j = tbody.length - 1; j >= 0 ; --j ) {
if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) {
tbody[ j ].parentNode.removeChild( tbody[ j ] );
}
}
}
// IE completely kills leading whitespace when innerHTML is used
if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
}
elem = jQuery.makeArray( div.childNodes );
}
if ( elem.nodeType ) {
ret.push( elem );
} else {
ret = jQuery.merge( ret, elem );
}
});
if ( fragment ) {
for ( var i = 0; ret[i]; i++ ) {
if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
} else {
if ( ret[i].nodeType === 1 ) {
ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
}
fragment.appendChild( ret[i] );
}
}
}
return ret;
}
});
function cleanData( elems ) {
for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {
if ( (id = elem[expando]) ) {
delete jQuery.cache[ id ];
}
}
}