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] ?
 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 {
 200                         this.empty().append( value );
 201                 }
 202
 203                 return this;
 204         },
 205
 206         replaceWith: function( value ) {
 207                 if ( this[0] && this[0].parentNode ) {
 208                         return this.each(function() {
 209                                 var next = this.nextSibling, parent = this.parentNode;
 210
 211                                 jQuery(this).remove();
 212
 213                                 if ( next ) {
 214                                         jQuery(next).before( value );
 215                                 } else {
 216                                         jQuery(parent).append( value );
 217                                 }
 218                         });
 219                 } else {
 220                         return this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value );
 221                 }
 222         },
 223
 224         detach: function( selector ) {
 225                 return this.remove( selector, true );
 226         },
 227
 228         domManip: function( args, table, callback ) {
 229                 var results, first, value = args[0], scripts = [];
 230
 231                 if ( jQuery.isFunction(value) ) {
 232                         return this.each(function(i) {
 233                                 var self = jQuery(this);
 234                                 args[0] = value.call(this, i, table ? self.html() : undefined);
 235                                 return self.domManip( args, table, callback );
 236                         });
 237                 }
 238
 239                 if ( this[0] ) {
 240                         // If we're in a fragment, just use that instead of building a new one
 241                         if ( args[0] && args[0].parentNode && args[0].parentNode.nodeType === 11 ) {
 242                                 results = { fragment: args[0].parentNode };
 243                         } else {
 244                                 results = buildFragment( args, this, scripts );
 245                         }
 246
 247                         first = results.fragment.firstChild;
 248
 249                         if ( first ) {
 250                                 table = table && jQuery.nodeName( first, "tr" );
 251
 252                                 for ( var i = 0, l = this.length; i < l; i++ ) {
 253                                         callback.call(
 254                                                 table ?
 255                                                         root(this[i], first) :
 256                                                         this[i],
 257                                                 results.cacheable || this.length > 1 || i > 0 ?
 258                                                         results.fragment.cloneNode(true) :
 259                                                         results.fragment
 260                                         );
 261                                 }
 262                         }
 263
 264                         if ( scripts ) {
 265                                 jQuery.each( scripts, evalScript );
 266                         }
 267                 }
 268
 269                 return this;
 270
 271                 function root( elem, cur ) {
 272                         return jQuery.nodeName(elem, "table") ?
 273                                 (elem.getElementsByTagName("tbody")[0] ||
 274                                 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
 275                                 elem;
 276                 }
 277         }
 278 });
 279
 280 function cloneCopyEvent(orig, ret) {
 281         var i = 0;
 282
 283         ret.each(function() {
 284                 if ( this.nodeName !== (orig[i] && orig[i].nodeName) ) {
 285                         return;
 286                 }
 287
 288                 var oldData = jQuery.data( orig[i++] ), curData = jQuery.data( this, oldData ), events = oldData && oldData.events;
 289
 290                 if ( events ) {
 291                         delete curData.handle;
 292                         curData.events = {};
 293
 294                         for ( var type in events ) {
 295                                 for ( var handler in events[ type ] ) {
 296                                         jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
 297                                 }
 298                         }
 299                 }
 300         });
 301 }
 302
 303 function buildFragment( args, nodes, scripts ) {
 304         var fragment, cacheable, cached, cacheresults, doc;
 305
 306         if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 ) {
 307                 cacheable = true;
 308                 cacheresults = jQuery.fragments[ args[0] ];
 309                 if ( cacheresults ) {
 310                         if ( cacheresults !== 1 ) {
 311                                 fragment = cacheresults;
 312                         }
 313                         cached = true;
 314                 }
 315         }
 316
 317         if ( !fragment ) {
 318                 doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
 319                 fragment = doc.createDocumentFragment();
 320                 jQuery.clean( args, doc, fragment, scripts );
 321         }
 322
 323         if ( cacheable ) {
 324                 jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
 325         }
 326
 327         return { fragment: fragment, cacheable: cacheable };
 328 }
 329
 330 jQuery.fragments = {};
 331
 332 jQuery.each({
 333         appendTo: "append",
 334         prependTo: "prepend",
 335         insertBefore: "before",
 336         insertAfter: "after",
 337         replaceAll: "replaceWith"
 338 }, function( name, original ) {
 339         jQuery.fn[ name ] = function( selector ) {
 340                 var ret = [], insert = jQuery( selector );
 341
 342                 for ( var i = 0, l = insert.length; i < l; i++ ) {
 343                         var elems = (i > 0 ? this.clone(true) : this).get();
 344                         jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
 345                         ret = ret.concat( elems );
 346                 }
 347                 return this.pushStack( ret, name, insert.selector );
 348         };
 349 });
 350
 351 jQuery.each({
 352         // keepData is for internal use only--do not document
 353         remove: function( selector, keepData ) {
 354                 if ( !selector || jQuery.filter( selector, [ this ] ).length ) {
 355                         if ( !keepData && this.nodeType === 1 ) {
 356                                 cleanData( this.getElementsByTagName("*") );
 357                                 cleanData( [ this ] );
 358                         }
 359
 360                         if ( this.parentNode ) {
 361                                  this.parentNode.removeChild( this );
 362                         }
 363                 }
 364         },
 365
 366         empty: function() {
 367                 // Remove element nodes and prevent memory leaks
 368                 if ( this.nodeType === 1 ) {
 369                         cleanData( this.getElementsByTagName("*") );
 370                 }
 371
 372                 // Remove any remaining nodes
 373                 while ( this.firstChild ) {
 374                         this.removeChild( this.firstChild );
 375                 }
 376         }
 377 }, function( name, fn ) {
 378         jQuery.fn[ name ] = function() {
 379                 return this.each( fn, arguments );
 380         };
 381 });
 382
 383 jQuery.extend({
 384         clean: function( elems, context, fragment, scripts ) {
 385                 context = context || document;
 386
 387                 // !context.createElement fails in IE with an error but returns typeof 'object'
 388                 if ( typeof context.createElement === "undefined" ) {
 389                         context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 390                 }
 391
 392                 var ret = [];
 393
 394                 jQuery.each(elems, function( i, elem ) {
 395                         if ( typeof elem === "number" ) {
 396                                 elem += "";
 397                         }
 398
 399                         if ( !elem ) {
 400                                 return;
 401                         }
 402
 403                         // Convert html string into DOM nodes
 404                         if ( typeof elem === "string" && !rhtml.test( elem ) ) {
 405                                 elem = context.createTextNode( elem );
 406
 407                         } else if ( typeof elem === "string" ) {
 408                                 // Fix "XHTML"-style tags in all browsers
 409                                 elem = elem.replace(rxhtmlTag, fcloseTag);
 410
 411                                 // Trim whitespace, otherwise indexOf won't work as expected
 412                                 var tag = (rtagName.exec( elem ) || ["", ""])[1].toLowerCase(),
 413                                         wrap = wrapMap[ tag ] || wrapMap._default,
 414                                         depth = wrap[0],
 415                                         div = context.createElement("div");
 416
 417                                 // Go to html and back, then peel off extra wrappers
 418                                 div.innerHTML = wrap[1] + elem + wrap[2];
 419
 420                                 // Move to the right depth
 421                                 while ( depth-- ) {
 422                                         div = div.lastChild;
 423                                 }
 424
 425                                 // Remove IE's autoinserted <tbody> from table fragments
 426                                 if ( !jQuery.support.tbody ) {
 427
 428                                         // String was a <table>, *may* have spurious <tbody>
 429                                         var hasBody = rtbody.test(elem),
 430                                                 tbody = tag === "table" && !hasBody ?
 431                                                         div.firstChild && div.firstChild.childNodes :
 432
 433                                                         // String was a bare <thead> or <tfoot>
 434                                                         wrap[1] === "<table>" && !hasBody ?
 435                                                                 div.childNodes :
 436                                                                 [];
 437
 438                                         for ( var j = tbody.length - 1; j >= 0 ; --j ) {
 439                                                 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) {
 440                                                         tbody[ j ].parentNode.removeChild( tbody[ j ] );
 441                                                 }
 442                                         }
 443
 444                                 }
 445
 446                                 // IE completely kills leading whitespace when innerHTML is used
 447                                 if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
 448                                         div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
 449                                 }
 450
 451                                 elem = jQuery.makeArray( div.childNodes );
 452                         }
 453
 454                         if ( elem.nodeType ) {
 455                                 ret.push( elem );
 456                         } else {
 457                                 ret = jQuery.merge( ret, elem );
 458                         }
 459
 460                 });
 461
 462                 if ( fragment ) {
 463                         for ( var i = 0; ret[i]; i++ ) {
 464                                 if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
 465                                         scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
 466                                 } else {
 467                                         if ( ret[i].nodeType === 1 ) {
 468                                                 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
 469                                         }
 470                                         fragment.appendChild( ret[i] );
 471                                 }
 472                         }
 473                 }
 474
 475                 return ret;
 476         }
 477 });
 478
 479 function cleanData( elems ) {
 480         for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {
 481                 if ( !jQuery.noData[elem.nodeName.toLowerCase()] && (id = elem[expando]) ) {
 482                         delete jQuery.cache[ id ];
 483                 }
 484         }
 485 }