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