src/manipulation.js

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