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