src/manipulation.js

   1 var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
   2         rleadingWhitespace = /^\s+/,
   3         rxhtmlTag = /(<([\w:]+)[^>]*?)\/>/g,
   4         rselfClosing = /^(?:area|br|col|embed|hr|img|input|link|meta|param)$/i,
   5         rtagName = /<([\w:]+)/,
   6         rtbody = /<tbody/i,
   7         rhtml = /<|&\w+;/,
   8         rnocache = /<script|<object|<embed/i,
   9         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,  // checked="checked" or checked (html5)
  10         fcloseTag = function( all, front, tag ) {
  11                 return rselfClosing.test( tag ) ?
  12                         all :
  13                         front + "></" + tag + ">";
  14         },
  15         wrapMap = {
  16                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
  17                 legend: [ 1, "<fieldset>", "</fieldset>" ],
  18                 thead: [ 1, "<table>", "</table>" ],
  19                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
  20                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
  21                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
  22                 area: [ 1, "<map>", "</map>" ],
  23                 _default: [ 0, "", "" ]
  24         };
  25
  26 wrapMap.optgroup = wrapMap.option;
  27 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  28 wrapMap.th = wrapMap.td;
  29
  30 // IE can't serialize <link> and <script> tags normally
  31 if ( !jQuery.support.htmlSerialize ) {
  32         wrapMap._default = [ 1, "div<div>", "</div>" ];
  33 }
  34
  35 jQuery.fn.extend({
  36         text: function( text ) {
  37                 if ( jQuery.isFunction(text) ) {
  38                         return this.each(function(i) {
  39                                 var self = jQuery(this);
  40                                 self.text( text.call(this, i, self.text()) );
  41                         });
  42                 }
  43
  44                 if ( typeof text !== "object" && text !== undefined ) {
  45                         return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
  46                 }
  47
  48                 return jQuery.getText( this );
  49         },
  50
  51         wrapAll: function( html ) {
  52                 if ( jQuery.isFunction( html ) ) {
  53                         return this.each(function(i) {
  54                                 jQuery(this).wrapAll( html.call(this, i) );
  55                         });
  56                 }
  57
  58                 if ( this[0] ) {
  59                         // The elements to wrap the target around
  60                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
  61
  62                         if ( this[0].parentNode ) {
  63                                 wrap.insertBefore( this[0] );
  64                         }
  65
  66                         wrap.map(function() {
  67                                 var elem = this;
  68
  69                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
  70                                         elem = elem.firstChild;
  71                                 }
  72
  73                                 return elem;
  74                         }).append(this);
  75                 }
  76
  77                 return this;
  78         },
  79
  80         wrapInner: function( html ) {
  81                 if ( jQuery.isFunction( html ) ) {
  82                         return this.each(function(i) {
  83                                 jQuery(this).wrapInner( html.call(this, i) );
  84                         });
  85                 }
  86
  87                 return this.each(function() {
  88                         var self = jQuery( this ), contents = self.contents();
  89
  90                         if ( contents.length ) {
  91                                 contents.wrapAll( html );
  92
  93                         } else {
  94                                 self.append( html );
  95                         }
  96                 });
  97         },
  98
  99         wrap: function( html ) {
 100                 return this.each(function() {
 101                         jQuery( this ).wrapAll( html );
 102                 });
 103         },
 104
 105         unwrap: function() {
 106                 return this.parent().each(function() {
 107                         if ( !jQuery.nodeName( this, "body" ) ) {
 108                                 jQuery( this ).replaceWith( this.childNodes );
 109                         }
 110                 }).end();
 111         },
 112
 113         append: function() {
 114                 return this.domManip(arguments, true, function( elem ) {
 115                         if ( this.nodeType === 1 ) {
 116                                 this.appendChild( elem );
 117                         }
 118                 });
 119         },
 120
 121         prepend: function() {
 122                 return this.domManip(arguments, true, function( elem ) {
 123                         if ( this.nodeType === 1 ) {
 124                                 this.insertBefore( elem, this.firstChild );
 125                         }
 126                 });
 127         },
 128
 129         before: function() {
 130                 if ( this[0] && this[0].parentNode ) {
 131                         return this.domManip(arguments, false, function( elem ) {
 132                                 this.parentNode.insertBefore( elem, this );
 133                         });
 134                 } else if ( arguments.length ) {
 135                         var set = jQuery(arguments[0]);
 136                         set.push.apply( set, this.toArray() );
 137                         return this.pushStack( set, "before", arguments );
 138                 }
 139         },
 140
 141         after: function() {
 142                 if ( this[0] && this[0].parentNode ) {
 143                         return this.domManip(arguments, false, function( elem ) {
 144                                 this.parentNode.insertBefore( elem, this.nextSibling );
 145                         });
 146                 } else if ( arguments.length ) {
 147                         var set = this.pushStack( this, "after", arguments );
 148                         set.push.apply( set, jQuery(arguments[0]).toArray() );
 149                         return set;
 150                 }
 151         },
 152
 153         // keepData is for internal use only--do not document
 154         remove: function( selector, keepData ) {
 155                 for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
 156                         if ( !selector || jQuery.filter( selector, [ elem ] ).length ) {
 157                                 if ( !keepData && elem.nodeType === 1 ) {
 158                                         jQuery.cleanData( elem.getElementsByTagName("*") );
 159                                         jQuery.cleanData( [ elem ] );
 160                                 }
 161
 162                                 if ( elem.parentNode ) {
 163                                          elem.parentNode.removeChild( elem );
 164                                 }
 165                         }
 166                 }
 167
 168                 return this;
 169         },
 170
 171         empty: function() {
 172                 for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
 173                         // Remove element nodes and prevent memory leaks
 174                         if ( elem.nodeType === 1 ) {
 175                                 jQuery.cleanData( elem.getElementsByTagName("*") );
 176                         }
 177
 178                         // Remove any remaining nodes
 179                         while ( elem.firstChild ) {
 180                                 elem.removeChild( elem.firstChild );
 181                         }
 182                 }
 183
 184                 return this;
 185         },
 186
 187         clone: function( events ) {
 188                 // Do the clone
 189                 var ret = this.map(function() {
 190                         if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
 191                                 // IE copies events bound via attachEvent when
 192                                 // using cloneNode. Calling detachEvent on the
 193                                 // clone will also remove the events from the orignal
 194                                 // In order to get around this, we use innerHTML.
 195                                 // Unfortunately, this means some modifications to
 196                                 // attributes in IE that are actually only stored
 197                                 // as properties will not be copied (such as the
 198                                 // the name attribute on an input).
 199                                 var html = this.outerHTML, ownerDocument = this.ownerDocument;
 200                                 if ( !html ) {
 201                                         var div = ownerDocument.createElement("div");
 202                                         div.appendChild( this.cloneNode(true) );
 203                                         html = div.innerHTML;
 204                                 }
 205
 206                                 return jQuery.clean([html.replace(rinlinejQuery, "")
 207                                         .replace(rleadingWhitespace, "")], ownerDocument)[0];
 208                         } else {
 209                                 return this.cloneNode(true);
 210                         }
 211                 });
 212
 213                 // Copy the events from the original to the clone
 214                 if ( events === true ) {
 215                         cloneCopyEvent( this, ret );
 216                         cloneCopyEvent( this.find("*"), ret.find("*") );
 217                 }
 218
 219                 // Return the cloned set
 220                 return ret;
 221         },
 222
 223         html: function( value ) {
 224                 if ( value === undefined ) {
 225                         return this[0] && this[0].nodeType === 1 ?
 226                                 this[0].innerHTML.replace(rinlinejQuery, "") :
 227                                 null;
 228
 229                 // See if we can take a shortcut and just use innerHTML
 230                 } else if ( typeof value === "string" && !rnocache.test( value ) &&
 231                         (jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value )) &&
 232                         !wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) {
 233
 234                         value = value.replace(rxhtmlTag, fcloseTag);
 235
 236                         try {
 237                                 for ( var i = 0, l = this.length; i < l; i++ ) {
 238                                         // Remove element nodes and prevent memory leaks
 239                                         if ( this[i].nodeType === 1 ) {
 240                                                 jQuery.cleanData( this[i].getElementsByTagName("*") );
 241                                                 this[i].innerHTML = value;
 242                                         }
 243                                 }
 244
 245                         // If using innerHTML throws an exception, use the fallback method
 246                         } catch(e) {
 247                                 this.empty().append( value );
 248                         }
 249
 250                 } else if ( jQuery.isFunction( value ) ) {
 251                         this.each(function(i){
 252                                 var self = jQuery(this), old = self.html();
 253                                 self.empty().append(function(){
 254                                         return value.call( this, i, old );
 255                                 });
 256                         });
 257
 258                 } else {
 259                         this.empty().append( value );
 260                 }
 261
 262                 return this;
 263         },
 264
 265         replaceWith: function( value ) {
 266                 if ( this[0] && this[0].parentNode ) {
 267                         // Make sure that the elements are removed from the DOM before they are inserted
 268                         // this can help fix replacing a parent with child elements
 269                         if ( !jQuery.isFunction( value ) ) {
 270                                 value = jQuery( value ).detach();
 271
 272                         } else {
 273                                 return this.each(function(i) {
 274                                         var self = jQuery(this), old = self.html();
 275                                         self.replaceWith( value.call( this, i, old ) );
 276                                 });
 277                         }
 278
 279                         return this.each(function() {
 280                                 var next = this.nextSibling, parent = this.parentNode;
 281
 282                                 jQuery(this).remove();
 283
 284                                 if ( next ) {
 285                                         jQuery(next).before( value );
 286                                 } else {
 287                                         jQuery(parent).append( value );
 288                                 }
 289                         });
 290                 } else {
 291                         return this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value );
 292                 }
 293         },
 294
 295         detach: function( selector ) {
 296                 return this.remove( selector, true );
 297         },
 298
 299         domManip: function( args, table, callback ) {
 300                 var results, first, value = args[0], scripts = [], fragment;
 301
 302                 // We can't cloneNode fragments that contain checked, in WebKit
 303                 if ( !jQuery.support.checkClone && arguments.length === 3 && typeof value === "string" && rchecked.test( value ) ) {
 304                         return this.each(function() {
 305                                 jQuery(this).domManip( args, table, callback, true );
 306                         });
 307                 }
 308
 309                 if ( jQuery.isFunction(value) ) {
 310                         return this.each(function(i) {
 311                                 var self = jQuery(this);
 312                                 args[0] = value.call(this, i, table ? self.html() : undefined);
 313                                 self.domManip( args, table, callback );
 314                         });
 315                 }
 316
 317                 if ( this[0] ) {
 318                         // If we're in a fragment, just use that instead of building a new one
 319                         if ( args[0] && args[0].parentNode && args[0].parentNode.nodeType === 11 ) {
 320                                 results = { fragment: args[0].parentNode };
 321                         } else {
 322                                 results = buildFragment( args, this, scripts );
 323                         }
 324
 325                         fragment = results.fragment;
 326
 327                         if ( fragment.childNodes.length === 1 ) {
 328                                 first = fragment = fragment.firstChild;
 329                         } else {
 330                                 first = fragment.firstChild;
 331                         }
 332
 333                         if ( first ) {
 334                                 table = table && jQuery.nodeName( first, "tr" );
 335
 336                                 for ( var i = 0, l = this.length; i < l; i++ ) {
 337                                         callback.call(
 338                                                 table ?
 339                                                         root(this[i], first) :
 340                                                         this[i],
 341                                                 i > 0 || results.cacheable || this.length > 1  ?
 342                                                         fragment.cloneNode(true) :
 343                                                         fragment
 344                                         );
 345                                 }
 346                         }
 347
 348                         if ( scripts.length ) {
 349                                 jQuery.each( scripts, evalScript );
 350                         }
 351                 }
 352
 353                 return this;
 354
 355                 function root( elem, cur ) {
 356                         return jQuery.nodeName(elem, "table") ?
 357                                 (elem.getElementsByTagName("tbody")[0] ||
 358                                 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
 359                                 elem;
 360                 }
 361         }
 362 });
 363
 364 function cloneCopyEvent(orig, ret) {
 365         var i = 0;
 366
 367         ret.each(function() {
 368                 if ( this.nodeName !== (orig[i] && orig[i].nodeName) ) {
 369                         return;
 370                 }
 371
 372                 var oldData = jQuery.data( orig[i++] ), curData = jQuery.data( this, oldData ), events = oldData && oldData.events;
 373
 374                 if ( events ) {
 375                         delete curData.handle;
 376                         curData.events = {};
 377
 378                         for ( var type in events ) {
 379                                 for ( var handler in events[ type ] ) {
 380                                         jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
 381                                 }
 382                         }
 383                 }
 384         });
 385 }
 386
 387 function buildFragment( args, nodes, scripts ) {
 388         var fragment, cacheable, cacheresults,
 389                 doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
 390
 391         // Only cache "small" (1/2 KB) strings that are associated with the main document
 392         // Cloning options loses the selected state, so don't cache them
 393         // IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
 394         // Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
 395         if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && doc === document &&
 396                 !rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {
 397
 398                 cacheable = true;
 399                 cacheresults = jQuery.fragments[ args[0] ];
 400                 if ( cacheresults ) {
 401                         if ( cacheresults !== 1 ) {
 402                                 fragment = cacheresults;
 403                         }
 404                 }
 405         }
 406
 407         if ( !fragment ) {
 408                 fragment = doc.createDocumentFragment();
 409                 jQuery.clean( args, doc, fragment, scripts );
 410         }
 411
 412         if ( cacheable ) {
 413                 jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
 414         }
 415
 416         return { fragment: fragment, cacheable: cacheable };
 417 }
 418
 419 jQuery.fragments = {};
 420
 421 jQuery.each({
 422         appendTo: "append",
 423         prependTo: "prepend",
 424         insertBefore: "before",
 425         insertAfter: "after",
 426         replaceAll: "replaceWith"
 427 }, function( name, original ) {
 428         jQuery.fn[ name ] = function( selector ) {
 429                 var ret = [], insert = jQuery( selector );
 430
 431                 if ( this.length === 1 && this[0].parentNode && this[0].parentNode.nodeType === 11 && insert.length === 1 ) {
 432                         insert[ original ]( this[0] );
 433                         return this;
 434
 435                 } else {
 436                         for ( var i = 0, l = insert.length; i < l; i++ ) {
 437                                 var elems = (i > 0 ? this.clone(true) : this).get();
 438                                 jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
 439                                 ret = ret.concat( elems );
 440                         }
 441
 442                         return this.pushStack( ret, name, insert.selector );
 443                 }
 444         };
 445 });
 446
 447 jQuery.extend({
 448         clean: function( elems, context, fragment, scripts ) {
 449                 context = context || document;
 450
 451                 // !context.createElement fails in IE with an error but returns typeof 'object'
 452                 if ( typeof context.createElement === "undefined" ) {
 453                         context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 454                 }
 455
 456                 var ret = [];
 457
 458                 for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
 459                         if ( typeof elem === "number" ) {
 460                                 elem += "";
 461                         }
 462
 463                         if ( !elem ) {
 464                                 continue;
 465                         }
 466
 467                         // Convert html string into DOM nodes
 468                         if ( typeof elem === "string" && !rhtml.test( elem ) ) {
 469                                 elem = context.createTextNode( elem );
 470
 471                         } else if ( typeof elem === "string" ) {
 472                                 // Fix "XHTML"-style tags in all browsers
 473                                 elem = elem.replace(rxhtmlTag, fcloseTag);
 474
 475                                 // Trim whitespace, otherwise indexOf won't work as expected
 476                                 var tag = (rtagName.exec( elem ) || ["", ""])[1].toLowerCase(),
 477                                         wrap = wrapMap[ tag ] || wrapMap._default,
 478                                         depth = wrap[0],
 479                                         div = context.createElement("div");
 480
 481                                 // Go to html and back, then peel off extra wrappers
 482                                 div.innerHTML = wrap[1] + elem + wrap[2];
 483
 484                                 // Move to the right depth
 485                                 while ( depth-- ) {
 486                                         div = div.lastChild;
 487                                 }
 488
 489                                 // Remove IE's autoinserted <tbody> from table fragments
 490                                 if ( !jQuery.support.tbody ) {
 491
 492                                         // String was a <table>, *may* have spurious <tbody>
 493                                         var hasBody = rtbody.test(elem),
 494                                                 tbody = tag === "table" && !hasBody ?
 495                                                         div.firstChild && div.firstChild.childNodes :
 496
 497                                                         // String was a bare <thead> or <tfoot>
 498                                                         wrap[1] === "<table>" && !hasBody ?
 499                                                                 div.childNodes :
 500                                                                 [];
 501
 502                                         for ( var j = tbody.length - 1; j >= 0 ; --j ) {
 503                                                 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) {
 504                                                         tbody[ j ].parentNode.removeChild( tbody[ j ] );
 505                                                 }
 506                                         }
 507
 508                                 }
 509
 510                                 // IE completely kills leading whitespace when innerHTML is used
 511                                 if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
 512                                         div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
 513                                 }
 514
 515                                 elem = div.childNodes;
 516                         }
 517
 518                         if ( elem.nodeType ) {
 519                                 ret.push( elem );
 520                         } else {
 521                                 ret = jQuery.merge( ret, elem );
 522                         }
 523                 }
 524
 525                 if ( fragment ) {
 526                         for ( var i = 0; ret[i]; i++ ) {
 527                                 if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
 528                                         scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
 529
 530                                 } else {
 531                                         if ( ret[i].nodeType === 1 ) {
 532                                                 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
 533                                         }
 534                                         fragment.appendChild( ret[i] );
 535                                 }
 536                         }
 537                 }
 538
 539                 return ret;
 540         },
 541
 542         cleanData: function( elems ) {
 543                 var data, id, cache = jQuery.cache;
 544
 545                 for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
 546                         id = elem[ jQuery.expando ];
 547
 548                         if ( id ) {
 549                                 data = cache[ id ];
 550
 551                                 if ( data.events ) {
 552                                         for ( var event in data.events ) {
 553                                                 removeEvent( elem, event, data.handle );
 554                                         }
 555                                 }
 556
 557                                 removeExpando( elem );
 558
 559                                 delete cache[ id ];
 560                         }
 561                 }
 562         }
 563 });