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         fcloseTag = function(all, front, tag){
   8                 return rselfClosing.test(tag) ?
   9                         all :
  10                         front + "></" + tag + ">";
  11         },
  12         wrapMap = {
  13                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
  14                 legend: [ 1, "<fieldset>", "</fieldset>" ],
  15                 thead: [ 1, "<table>", "</table>" ],
  16                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
  17                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
  18                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
  19                 _default: [ 0, "", "" ]
  20         };
  21
  22 wrapMap.optgroup = wrapMap.option;
  23 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  24 wrapMap.th = wrapMap.td;
  25
  26 // IE can't serialize <link> and <script> tags normally
  27 if ( !jQuery.support.htmlSerialize ) {
  28         wrapMap._default = [ 1, "div<div>", "</div>" ];
  29 }
  30
  31 jQuery.fn.extend({
  32         text: function( text ) {
  33                 if ( typeof text !== "object" && text !== undefined )
  34                         return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
  35
  36                 var ret = "";
  37
  38                 jQuery.each( text || this, function(){
  39                         jQuery.each( this.childNodes, function(){
  40                                 if ( this.nodeType !== 8 ) {
  41                                         ret += this.nodeType !== 1 ?
  42                                                 this.nodeValue :
  43                                                 jQuery.fn.text( [ this ] );
  44                                 }
  45                         });
  46                 });
  47
  48                 return ret;
  49         },
  50
  51         wrapAll: function( html ) {
  52                 if ( jQuery.isFunction( html ) ) {
  53                         return this.each(function() {
  54                                 jQuery(this).wrapAll( html.apply(this, arguments) );
  55                         });
  56                 }
  57
  58                 if ( this[0] ) {
  59                         // The elements to wrap the target around
  60                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone();
  61
  62                         if ( this[0].parentNode ) {
  63                                 wrap.insertBefore( this[0] );
  64                         }
  65
  66                         wrap.map(function(){
  67                                 var elem = this;
  68
  69                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
  70                                         elem = elem.firstChild;
  71                                 }
  72
  73                                 return elem;
  74                         }).append(this);
  75                 }
  76
  77                 return this;
  78         },
  79
  80         wrapInner: function( html ) {
  81                 return this.each(function(){
  82                         jQuery( this ).contents().wrapAll( html );
  83                 });
  84         },
  85
  86         wrap: function( html ) {
  87                 return this.each(function(){
  88                         jQuery( this ).wrapAll( html );
  89                 });
  90         },
  91
  92         append: function() {
  93                 return this.domManip(arguments, true, function(elem){
  94                         if ( this.nodeType === 1 ) {
  95                                 this.appendChild( elem );
  96                         }
  97                 });
  98         },
  99
 100         prepend: function() {
 101                 return this.domManip(arguments, true, function(elem){
 102                         if ( this.nodeType === 1 ) {
 103                                 this.insertBefore( elem, this.firstChild );
 104                         }
 105                 });
 106         },
 107
 108         before: function() {
 109                 if ( this[0] && this[0].parentNode ) {
 110                         return this.domManip(arguments, false, function(elem){
 111                                 this.parentNode.insertBefore( elem, this );
 112                         });
 113                 } else {
 114                         var set = jQuery.isFunction(arguments[0]) ?
 115                                 jQuery( arguments[0]() ) :
 116                                 jQuery.apply(jQuery, arguments);
 117
 118                         return this.pushStack( set.add( this ), "before", arguments );
 119                 }
 120         },
 121
 122         after: function() {
 123                 if ( this[0] && this[0].parentNode ) {
 124                         return this.domManip(arguments, false, function(elem){
 125                                 this.parentNode.insertBefore( elem, this.nextSibling );
 126                         });
 127                 } else {
 128                         return jQuery.isFunction(arguments[0]) ?
 129                                 this.add( arguments[0]() ) :
 130                                 this.add.apply( this, arguments );
 131                 }
 132         },
 133
 134         clone: function( events ) {
 135                 // Do the clone
 136                 var ret = this.map(function(){
 137                         if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
 138                                 // IE copies events bound via attachEvent when
 139                                 // using cloneNode. Calling detachEvent on the
 140                                 // clone will also remove the events from the orignal
 141                                 // In order to get around this, we use innerHTML.
 142                                 // Unfortunately, this means some modifications to
 143                                 // attributes in IE that are actually only stored
 144                                 // as properties will not be copied (such as the
 145                                 // the name attribute on an input).
 146                                 var html = this.outerHTML, ownerDocument = this.ownerDocument;
 147                                 if ( !html ) {
 148                                         var div = ownerDocument.createElement("div");
 149                                         div.appendChild( this.cloneNode(true) );
 150                                         html = div.innerHTML;
 151                                 }
 152
 153                                 return jQuery.clean([html.replace(rinlinejQuery, "")
 154                                         .replace(rleadingWhitespace, "")], ownerDocument)[0];
 155                         } else {
 156                                 return this.cloneNode(true);
 157                         }
 158                 });
 159
 160                 // Copy the events from the original to the clone
 161                 if ( events === true ) {
 162                         var orig = this.find("*").andSelf(), i = 0;
 163
 164                         ret.find("*").andSelf().each(function(){
 165                                 if ( this.nodeName !== orig[i].nodeName ) { return; }
 166
 167                                 var events = jQuery.data( orig[i], "events" );
 168
 169                                 for ( var type in events ) {
 170                                         for ( var handler in events[ type ] ) {
 171                                                 jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
 172                                         }
 173                                 }
 174
 175                                 i++;
 176                         });
 177                 }
 178
 179                 // Return the cloned set
 180                 return ret;
 181         },
 182
 183         html: function( value ) {
 184                 if ( value === undefined ) {
 185                         return this[0] ?
 186                                 this[0].innerHTML.replace(rinlinejQuery, "") :
 187                                 null;
 188
 189                 // See if we can take a shortcut and just use innerHTML
 190                 } else if ( typeof value === "string" && !/<script/i.test( value ) &&
 191                         !wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) {
 192
 193                         for ( var i = 0, l = this.length; i < l; i++ ) {
 194                                 // Remove element nodes and prevent memory leaks
 195                                 if ( this[i].nodeType === 1 ) {
 196                                         cleanData( this[i].getElementsByTagName("*") );
 197                                 }
 198
 199                                 this[i].innerHTML = value;
 200                         }
 201
 202                 } else {
 203                         this.empty().append( value );
 204                 }
 205
 206                 return this;
 207         },
 208
 209         replaceWith: function( value ) {
 210                 if ( this[0] && this[0].parentNode ) {
 211                         return this.after( value ).remove();
 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[0], 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 buildFragment(args, nodes, scripts){
 273         var fragment, cacheable, cached, cacheresults, doc;
 274
 275         if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 ) {
 276                 cacheable = true;
 277                 cacheresults = jQuery.fragments[ args[0] ];
 278                 if ( cacheresults ) {
 279                         if ( cacheresults !== 1 ) {
 280                                 fragment = cacheresults;
 281                         }
 282                         cached = true;
 283                 }
 284         }
 285
 286         if ( !fragment ) {
 287                 doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
 288                 fragment = doc.createDocumentFragment();
 289                 jQuery.clean( args, doc, fragment, scripts );
 290         }
 291
 292         if ( cacheable ) {
 293                 jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
 294         }
 295
 296         return { fragment: fragment, cacheable: cacheable };
 297 }
 298
 299 jQuery.fragments = {};
 300
 301 jQuery.each({
 302         appendTo: "append",
 303         prependTo: "prepend",
 304         insertBefore: "before",
 305         insertAfter: "after",
 306         replaceAll: "replaceWith"
 307 }, function(name, original){
 308         jQuery.fn[ name ] = function( selector ) {
 309                 var ret = [], insert = jQuery( selector );
 310
 311                 for ( var i = 0, l = insert.length; i < l; i++ ) {
 312                         var elems = (i > 0 ? this.clone(true) : this).get();
 313                         jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
 314                         ret = ret.concat( elems );
 315                 }
 316                 return this.pushStack( ret, name, insert.selector );
 317         };
 318 });
 319
 320 jQuery.each({
 321         // keepData is for internal use only--do not document
 322         remove: function( selector, keepData ) {
 323                 if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) {
 324                         if ( !keepData && this.nodeType === 1 ) {
 325                                 cleanData( this.getElementsByTagName("*") );
 326                                 cleanData( [ this ] );
 327                         }
 328
 329                         if ( this.parentNode ) {
 330                                  this.parentNode.removeChild( this );
 331                         }
 332                 }
 333         },
 334
 335         empty: function() {
 336                 // Remove element nodes and prevent memory leaks
 337                 if ( this.nodeType === 1 ) {
 338                         cleanData( this.getElementsByTagName("*") );
 339                 }
 340
 341                 // Remove any remaining nodes
 342                 while ( this.firstChild ) {
 343                         this.removeChild( this.firstChild );
 344                 }
 345         }
 346 }, function(name, fn){
 347         jQuery.fn[ name ] = function(){
 348                 return this.each( fn, arguments );
 349         };
 350 });
 351
 352 jQuery.extend({
 353         clean: function( elems, context, fragment, scripts ) {
 354                 context = context || document;
 355
 356                 // !context.createElement fails in IE with an error but returns typeof 'object'
 357                 if ( typeof context.createElement === "undefined" ) {
 358                         context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 359                 }
 360
 361                 var ret = [], div = context.createElement("div");
 362
 363                 jQuery.each(elems, function(i, elem){
 364                         if ( typeof elem === "number" ) {
 365                                 elem += '';
 366                         }
 367
 368                         if ( !elem ) { return; }
 369
 370                         // Convert html string into DOM nodes
 371                         if ( typeof elem === "string" ) {
 372                                 // Fix "XHTML"-style tags in all browsers
 373                                 elem = elem.replace(rxhtmlTag, fcloseTag);
 374
 375                                 // Trim whitespace, otherwise indexOf won't work as expected
 376                                 var tag = (rtagName.exec( elem ) || ["", ""])[1].toLowerCase(),
 377                                         wrap = wrapMap[ tag ] || wrapMap._default,
 378                                         depth = wrap[0];
 379
 380                                 // Go to html and back, then peel off extra wrappers
 381                                 div.innerHTML = wrap[1] + elem + wrap[2];
 382
 383                                 // Move to the right depth
 384                                 while ( depth-- ) {
 385                                         div = div.lastChild;
 386                                 }
 387
 388                                 // Remove IE's autoinserted <tbody> from table fragments
 389                                 if ( !jQuery.support.tbody ) {
 390
 391                                         // String was a <table>, *may* have spurious <tbody>
 392                                         var hasBody = rtbody.test(elem),
 393                                                 tbody = tag === "table" && !hasBody ?
 394                                                         div.firstChild && div.firstChild.childNodes :
 395
 396                                                         // String was a bare <thead> or <tfoot>
 397                                                         wrap[1] == "<table>" && !hasBody ?
 398                                                                 div.childNodes :
 399                                                                 [];
 400
 401                                         for ( var j = tbody.length - 1; j >= 0 ; --j ) {
 402                                                 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) {
 403                                                         tbody[ j ].parentNode.removeChild( tbody[ j ] );
 404                                                 }
 405                                         }
 406
 407                                 }
 408
 409                                 // IE completely kills leading whitespace when innerHTML is used
 410                                 if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
 411                                         div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
 412                                 }
 413
 414                                 elem = jQuery.makeArray( div.childNodes );
 415                         }
 416
 417                         if ( elem.nodeType ) {
 418                                 ret.push( elem );
 419                         } else {
 420                                 ret = jQuery.merge( ret, elem );
 421                         }
 422
 423                 });
 424
 425                 if ( fragment ) {
 426                         for ( var i = 0; ret[i]; i++ ) {
 427                                 if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
 428                                         scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
 429                                 } else {
 430                                         if ( ret[i].nodeType === 1 ) {
 431                                                 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
 432                                         }
 433                                         fragment.appendChild( ret[i] );
 434                                 }
 435                         }
 436                 }
 437
 438                 return ret;
 439         }
 440 });
 441
 442 function cleanData( elems ) {
 443         for ( var i = 0, l = elems.length; i < l; i++ ) {
 444                 var id = elems[i][expando];
 445                 if ( id ) {
 446                         delete jQuery.cache[ id ];
 447                 }
 448         }
 449 }