src/manipulation.js

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