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