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