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