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