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