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                 if ( this[0] ) {
 141                         var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),
 142                                 scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),
 143                                 first = fragment.firstChild;
 144
 145                         if ( first )
 146                                 for ( var i = 0, l = this.length; i < l; i++ )
 147                                         callback.call( root(this[i], first), this.length > 1 || i > 0 ?
 148                                                         fragment.cloneNode(true) : fragment );
 149
 150                         if ( scripts )
 151                                 jQuery.each( scripts, evalScript );
 152                 }
 153
 154                 return this;
 155
 156                 function root( elem, cur ) {
 157                         return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?
 158                                 (elem.getElementsByTagName("tbody")[0] ||
 159                                 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
 160                                 elem;
 161                 }
 162         }
 163 });
 164
 165 jQuery.each({
 166         appendTo: "append",
 167         prependTo: "prepend",
 168         insertBefore: "before",
 169         insertAfter: "after",
 170         replaceAll: "replaceWith"
 171 }, function(name, original){
 172         jQuery.fn[ name ] = function( selector ) {
 173                 var ret = [], insert = jQuery( selector );
 174
 175                 for ( var i = 0, l = insert.length; i < l; i++ ) {
 176                         var elems = (i > 0 ? this.clone(true) : this).get();
 177                         jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
 178                         ret = ret.concat( elems );
 179                 }
 180
 181                 return this.pushStack( ret, name, selector );
 182         };
 183 });
 184
 185 jQuery.each({
 186         remove: function( selector ) {
 187                 if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) {
 188                         if ( this.nodeType === 1 ) {
 189                                 cleanData( this.getElementsByTagName("*") );
 190                                 cleanData( [this] );
 191                         }
 192
 193                         if ( this.parentNode ) {
 194                                 this.parentNode.removeChild( this );
 195                         }
 196                 }
 197         },
 198
 199         empty: function() {
 200                 // Remove element nodes and prevent memory leaks
 201                 if ( this.nodeType === 1 ) {
 202                         cleanData( this.getElementsByTagName("*") );
 203                 }
 204
 205                 // Remove any remaining nodes
 206                 while ( this.firstChild ) {
 207                         this.removeChild( this.firstChild );
 208                 }
 209         }
 210 }, function(name, fn){
 211         jQuery.fn[ name ] = function(){
 212                 return this.each( fn, arguments );
 213         };
 214 });
 215
 216 jQuery.extend({
 217         clean: function( elems, context, fragment ) {
 218                 context = context || document;
 219
 220                 // !context.createElement fails in IE with an error but returns typeof 'object'
 221                 if ( typeof context.createElement === "undefined" )
 222                         context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 223
 224                 // If a single string is passed in and it's a single tag
 225                 // just do a createElement and skip the rest
 226                 if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) {
 227                         var match = /^<(\w+)\s*\/?>$/.exec(elems[0]);
 228                         if ( match )
 229                                 return [ context.createElement( match[1] ) ];
 230                 }
 231
 232                 var ret = [], scripts = [], div = context.createElement("div");
 233
 234                 jQuery.each(elems, function(i, elem){
 235                         if ( typeof elem === "number" )
 236                                 elem += '';
 237
 238                         if ( !elem )
 239                                 return;
 240
 241                         // Convert html string into DOM nodes
 242                         if ( typeof elem === "string" ) {
 243                                 // Fix "XHTML"-style tags in all browsers
 244                                 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
 245                                         return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
 246                                                 all :
 247                                                 front + "></" + tag + ">";
 248                                 });
 249
 250                                 // Trim whitespace, otherwise indexOf won't work as expected
 251                                 var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
 252
 253                                 var wrap =
 254                                         // option or optgroup
 255                                         !tags.indexOf("<opt") &&
 256                                         [ 1, "<select multiple='multiple'>", "</select>" ] ||
 257
 258                                         !tags.indexOf("<leg") &&
 259                                         [ 1, "<fieldset>", "</fieldset>" ] ||
 260
 261                                         tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
 262                                         [ 1, "<table>", "</table>" ] ||
 263
 264                                         !tags.indexOf("<tr") &&
 265                                         [ 2, "<table><tbody>", "</tbody></table>" ] ||
 266
 267                                         // <thead> matched above
 268                                         (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
 269                                         [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
 270
 271                                         !tags.indexOf("<col") &&
 272                                         [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
 273
 274                                         // IE can't serialize <link> and <script> tags normally
 275                                         !jQuery.support.htmlSerialize &&
 276                                         [ 1, "div<div>", "</div>" ] ||
 277
 278                                         [ 0, "", "" ];
 279
 280                                 // Go to html and back, then peel off extra wrappers
 281                                 div.innerHTML = wrap[1] + elem + wrap[2];
 282
 283                                 // Move to the right depth
 284                                 while ( wrap[0]-- )
 285                                         div = div.lastChild;
 286
 287                                 // Remove IE's autoinserted <tbody> from table fragments
 288                                 if ( !jQuery.support.tbody ) {
 289
 290                                         // String was a <table>, *may* have spurious <tbody>
 291                                         var hasBody = /<tbody/i.test(elem),
 292                                                 tbody = !tags.indexOf("<table") && !hasBody ?
 293                                                         div.firstChild && div.firstChild.childNodes :
 294
 295                                                 // String was a bare <thead> or <tfoot>
 296                                                 wrap[1] == "<table>" && !hasBody ?
 297                                                         div.childNodes :
 298                                                         [];
 299
 300                                         for ( var j = tbody.length - 1; j >= 0 ; --j )
 301                                                 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
 302                                                         tbody[ j ].parentNode.removeChild( tbody[ j ] );
 303
 304                                         }
 305
 306                                 // IE completely kills leading whitespace when innerHTML is used
 307                                 if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
 308                                         div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
 309
 310                                 elem = jQuery.makeArray( div.childNodes );
 311                         }
 312
 313                         if ( elem.nodeType )
 314                                 ret.push( elem );
 315                         else
 316                                 ret = jQuery.merge( ret, elem );
 317
 318                 });
 319
 320                 if ( fragment ) {
 321                         for ( var i = 0; ret[i]; i++ ) {
 322                                 if ( jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
 323                                         scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
 324                                 } else {
 325                                         if ( ret[i].nodeType === 1 )
 326                                                 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
 327                                         fragment.appendChild( ret[i] );
 328                                 }
 329                         }
 330
 331                         return scripts;
 332                 }
 333
 334                 return ret;
 335         }
 336 });
 337
 338 function cleanData( elems ) {
 339         for ( var i = 0, l = elems.length; i < l; i++ ) {
 340                 var id = elems[i][expando];
 341                 if ( id ) {
 342                         delete jQuery.cache[ id ];
 343                 }
 344         }
 345 }