src/manipulation.js

   1 jQuery.fn.extend({
   2         text: function( text ) {
   3                 if ( typeof text !== "object" && text != null )
   4                         return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
   5
   6                 var ret = "";
   7
   8                 jQuery.each( text || this, function(){
   9                         jQuery.each( this.childNodes, function(){
  10                                 if ( this.nodeType != 8 )
  11                                         ret += this.nodeType != 1 ?
  12                                                 this.nodeValue :
  13                                                 jQuery.fn.text( [ this ] );
  14                         });
  15                 });
  16
  17                 return ret;
  18         },
  19
  20         wrapAll: function( html ) {
  21                 if(jQuery.isFunction(html)) {
  22                         return this.each(function() { jQuery(this).wrapAll(html.call(this)); });
  23                 }
  24
  25                 if ( this[0] ) {
  26                         // The elements to wrap the target around
  27                         var wrap = jQuery( html, this[0].ownerDocument ).clone();
  28
  29                         if ( this[0].parentNode )
  30                                 wrap.insertBefore( this[0] );
  31
  32                         wrap.map(function(){
  33                                 var elem = this;
  34
  35                                 while ( elem.firstChild )
  36                                         elem = elem.firstChild;
  37
  38                                 return elem;
  39                         }).append(this);
  40                 }
  41
  42                 return this;
  43         },
  44
  45         wrapInner: function( html ) {
  46                 return this.each(function(){
  47                         jQuery( this ).contents().wrapAll( html );
  48                 });
  49         },
  50
  51         wrap: function( html ) {
  52                 return this.each(function(){
  53                         jQuery( this ).wrapAll( html );
  54                 });
  55         },
  56
  57         append: function() {
  58                 return this.domManip(arguments, true, function(elem){
  59                         if (this.nodeType == 1)
  60                                 this.appendChild( elem );
  61                 });
  62         },
  63
  64         prepend: function() {
  65                 return this.domManip(arguments, true, function(elem){
  66                         if (this.nodeType == 1)
  67                                 this.insertBefore( elem, this.firstChild );
  68                 });
  69         },
  70
  71         before: function() {
  72                 return this.domManip(arguments, false, function(elem){
  73                         this.parentNode.insertBefore( elem, this );
  74                 });
  75         },
  76
  77         after: function() {
  78                 return this.domManip(arguments, false, function(elem){
  79                         this.parentNode.insertBefore( elem, this.nextSibling );
  80                 });
  81         },
  82
  83         clone: function( events ) {
  84                 // Do the clone
  85                 var ret = this.map(function(){
  86                         if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
  87                                 // IE copies events bound via attachEvent when
  88                                 // using cloneNode. Calling detachEvent on the
  89                                 // clone will also remove the events from the orignal
  90                                 // In order to get around this, we use innerHTML.
  91                                 // Unfortunately, this means some modifications to
  92                                 // attributes in IE that are actually only stored
  93                                 // as properties will not be copied (such as the
  94                                 // the name attribute on an input).
  95                                 var html = this.outerHTML, ownerDocument = this.ownerDocument;
  96                                 if ( !html ) {
  97                                         var div = ownerDocument.createElement("div");
  98                                         div.appendChild( this.cloneNode(true) );
  99                                         html = div.innerHTML;
 100                                 }
 101
 102                                 return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")], ownerDocument)[0];
 103                         } else
 104                                 return this.cloneNode(true);
 105                 });
 106
 107                 // Copy the events from the original to the clone
 108                 if ( events === true ) {
 109                         var orig = this.find("*").andSelf(), i = 0;
 110
 111                         ret.find("*").andSelf().each(function(){
 112                                 if ( this.nodeName !== orig[i].nodeName )
 113                                         return;
 114
 115                                 var events = jQuery.data( orig[i], "events" );
 116
 117                                 for ( var type in events ) {
 118                                         for ( var handler in events[ type ] ) {
 119                                                 jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
 120                                         }
 121                                 }
 122
 123                                 i++;
 124                         });
 125                 }
 126
 127                 // Return the cloned set
 128                 return ret;
 129         },
 130
 131         html: function( value ) {
 132                 return value === undefined ?
 133                         (this[0] ?
 134                                 this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") :
 135                                 null) :
 136                         this.empty().append( value );
 137         },
 138
 139         replaceWith: function( value ) {
 140                 return this.after( value ).remove();
 141         },
 142
 143         domManip: function( args, table, callback ) {
 144                 var fragment, scripts, cacheable, cached, cacheresults, first;
 145                 var value = args[0];
 146
 147                 if ( jQuery.isFunction(value) ) {
 148                         return this.each(function() {
 149                                 args[0] = value.call(this);
 150                                 return jQuery(this).domManip( args, table, callback );
 151                         });
 152                 };
 153
 154                 if ( this[0] ) {
 155                         if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 ) {
 156                                 cacheable = true;
 157                                 cacheresults = jQuery.fragments[ args[0] ];
 158                                 if ( cacheresults ) {
 159                                         if ( cacheresults !== 1 ) {
 160                                                 fragment = cacheresults;
 161                                         }
 162                                         cached = true;
 163                                 }
 164                         }
 165
 166                         if ( !fragment ) {
 167                                 fragment = (this[0].ownerDocument || this[0]).createDocumentFragment();
 168                                 scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment );
 169                         }
 170
 171                         first = fragment.firstChild;
 172
 173                         if ( first ) {
 174                                 table = table && jQuery.nodeName( first, "tr" );
 175
 176                                 for ( var i = 0, l = this.length; i < l; i++ ) {
 177                                         callback.call(
 178                                                 table ?
 179                                                         root(this[i], first) :
 180                                                         this[i],
 181                                                 cacheable || this.length > 1 || i > 0 ?
 182                                                         fragment.cloneNode(true) :
 183                                                         fragment
 184                                         );
 185                                 }
 186                         }
 187
 188                         if ( scripts ) {
 189                                 jQuery.each( scripts, evalScript );
 190                         }
 191
 192                         if ( cacheable ) {
 193                                 jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
 194                         }
 195                 }
 196
 197                 return this;
 198
 199                 function root( elem, cur ) {
 200                         return jQuery.nodeName(elem, "table") ?
 201                                 (elem.getElementsByTagName("tbody")[0] ||
 202                                 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
 203                                 elem;
 204                 }
 205         }
 206 });
 207
 208 jQuery.fragments = {};
 209
 210 jQuery.each({
 211         appendTo: "append",
 212         prependTo: "prepend",
 213         insertBefore: "before",
 214         insertAfter: "after",
 215         replaceAll: "replaceWith"
 216 }, function(name, original){
 217         jQuery.fn[ name ] = function( selector ) {
 218                 var ret = [], insert = jQuery( selector );
 219
 220                 for ( var i = 0, l = insert.length; i < l; i++ ) {
 221                         var elems = (i > 0 ? this.clone(true) : this).get();
 222                         jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
 223                         ret = ret.concat( elems );
 224                 }
 225
 226                 return this.pushStack( ret, name, selector );
 227         };
 228 });
 229
 230 jQuery.each({
 231         remove: function( selector ) {
 232                 if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) {
 233                         if ( this.nodeType === 1 ) {
 234                                 cleanData( jQuery("*", this).add(this) );
 235                         }
 236
 237                         if ( this.parentNode ) {
 238                                 this.parentNode.removeChild( this );
 239                         }
 240                 }
 241         },
 242
 243         empty: function() {
 244                 // Remove element nodes and prevent memory leaks
 245                 if ( this.nodeType === 1 ) {
 246                         cleanData( jQuery("*", this) );
 247                 }
 248
 249                 // Remove any remaining nodes
 250                 while ( this.firstChild ) {
 251                         this.removeChild( this.firstChild );
 252                 }
 253         }
 254 }, function(name, fn){
 255         jQuery.fn[ name ] = function(){
 256                 return this.each( fn, arguments );
 257         };
 258 });
 259
 260 jQuery.extend({
 261         clean: function( elems, context, fragment ) {
 262                 context = context || document;
 263
 264                 // !context.createElement fails in IE with an error but returns typeof 'object'
 265                 if ( typeof context.createElement === "undefined" )
 266                         context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 267
 268                 // If a single string is passed in and it's a single tag
 269                 // just do a createElement and skip the rest
 270                 if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) {
 271                         var match = /^<(\w+)\s*\/?>$/.exec(elems[0]);
 272                         if ( match )
 273                                 return [ context.createElement( match[1] ) ];
 274                 }
 275
 276                 var ret = [], scripts = [], div = context.createElement("div");
 277
 278                 jQuery.each(elems, function(i, elem){
 279                         if ( typeof elem === "number" )
 280                                 elem += '';
 281
 282                         if ( !elem )
 283                                 return;
 284
 285                         // Convert html string into DOM nodes
 286                         if ( typeof elem === "string" ) {
 287                                 // Fix "XHTML"-style tags in all browsers
 288                                 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
 289                                         return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
 290                                                 all :
 291                                                 front + "></" + tag + ">";
 292                                 });
 293
 294                                 // Trim whitespace, otherwise indexOf won't work as expected
 295                                 var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
 296
 297                                 var wrap =
 298                                         // option or optgroup
 299                                         !tags.indexOf("<opt") &&
 300                                         [ 1, "<select multiple='multiple'>", "</select>" ] ||
 301
 302                                         !tags.indexOf("<leg") &&
 303                                         [ 1, "<fieldset>", "</fieldset>" ] ||
 304
 305                                         tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
 306                                         [ 1, "<table>", "</table>" ] ||
 307
 308                                         !tags.indexOf("<tr") &&
 309                                         [ 2, "<table><tbody>", "</tbody></table>" ] ||
 310
 311                                         // <thead> matched above
 312                                         (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
 313                                         [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
 314
 315                                         !tags.indexOf("<col") &&
 316                                         [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
 317
 318                                         // IE can't serialize <link> and <script> tags normally
 319                                         !jQuery.support.htmlSerialize &&
 320                                         [ 1, "div<div>", "</div>" ] ||
 321
 322                                         [ 0, "", "" ];
 323
 324                                 // Go to html and back, then peel off extra wrappers
 325                                 div.innerHTML = wrap[1] + elem + wrap[2];
 326
 327                                 // Move to the right depth
 328                                 while ( wrap[0]-- )
 329                                         div = div.lastChild;
 330
 331                                 // Remove IE's autoinserted <tbody> from table fragments
 332                                 if ( !jQuery.support.tbody ) {
 333
 334                                         // String was a <table>, *may* have spurious <tbody>
 335                                         var hasBody = /<tbody/i.test(elem),
 336                                                 tbody = !tags.indexOf("<table") && !hasBody ?
 337                                                         div.firstChild && div.firstChild.childNodes :
 338
 339                                                 // String was a bare <thead> or <tfoot>
 340                                                 wrap[1] == "<table>" && !hasBody ?
 341                                                         div.childNodes :
 342                                                         [];
 343
 344                                         for ( var j = tbody.length - 1; j >= 0 ; --j )
 345                                                 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
 346                                                         tbody[ j ].parentNode.removeChild( tbody[ j ] );
 347
 348                                         }
 349
 350                                 // IE completely kills leading whitespace when innerHTML is used
 351                                 if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
 352                                         div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
 353
 354                                 elem = jQuery.makeArray( div.childNodes );
 355                         }
 356
 357                         if ( elem.nodeType )
 358                                 ret.push( elem );
 359                         else
 360                                 ret = jQuery.merge( ret, elem );
 361
 362                 });
 363
 364                 if ( fragment ) {
 365                         for ( var i = 0; ret[i]; i++ ) {
 366                                 if ( jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
 367                                         scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
 368                                 } else {
 369                                         if ( ret[i].nodeType === 1 )
 370                                                 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
 371                                         fragment.appendChild( ret[i] );
 372                                 }
 373                         }
 374
 375                         return scripts;
 376                 }
 377
 378                 return ret;
 379         }
 380 });
 381
 382 function cleanData( elems ) {
 383         for ( var i = 0, l = elems.length; i < l; i++ ) {
 384                 var id = elems[i][expando];
 385                 if ( id ) {
 386                         delete jQuery.cache[ id ];
 387                 }
 388         }
 389 }