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