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