0.6.x/js/dom/22_XDomBuilder.js

   1 \r
   2 X.Dom._useBuilder = true;\r
   3 \r
   4 /* --------------------------------------\r
   5  *  通常のwebページに対して使用する場合、dom ready で dom tree を写し取るために使う．\r
   6  *  完全にワンページアプリで<body/>が空な場合、このコードはビルドに含める必要はない\r
   7  * \r
   8  * TODO (注4) IE6 の空白に関する“癖”について\r
   9  * http://kojs.sukobuto.com/docs/visible-binding\r
  10  * IE6 には、「空の span エレメントに続く空白は無視される」という謎な癖があります。 \r
  11  */\r
  12 X.Dom.listenOnce( X.Dom.Event.DOM_PRE_INIT,\r
  13         X.Dom.DOM_W3C ?\r
  14 (function(){\r
  15         var r    = Node.root,\r
  16                 body = r._rawNode,\r
  17                 i, n = 0,\r
  18                 html,\r
  19                 elmProgress;\r
  20         // TODO\r
  21         // textarea の内容を控えて、消す。xnode tree 構築後に復帰。でないと、html パースでこける\r
  22         \r
  23         // cleanup tree \r
  24         X.UA.MacIE || (function/*cleanUpTree*/( elm, skip, head ){\r
  25                 var nodes      = X.copyArray( elm.childNodes ),\r
  26                         i          = 0,\r
  27                         l          = nodes.length,\r
  28                         node, tag, textNode, content;\r
  29                 for( ; i < l; ++i ){\r
  30                         node = nodes[ i ];\r
  31                         switch( node.nodeType ){\r
  32                                 case 1 :\r
  33                                         tag = node.tagName.toUpperCase();\r
  34                                         if( X.Dom.moveToHead[ tag ] ){\r
  35                                                 head = head || document.getElementsByTagName( 'head' )[ 0 ];\r
  36                                                 head.appendChild( node );\r
  37                                                 continue;\r
  38                                         } else\r
  39                                         if( X.Dom.cleanupTagNames[ tag ] ){\r
  40                                                 elm.removeChild( node );\r
  41                                                 continue;\r
  42                                         } else {\r
  43                                                 // pre タグ以下はスペースの置換は行わない\r
  44                                                 node.childNodes && node.childNodes.length && /*cleanUpTree*/arguments.callee( node, skip || X.Dom.skipCleanupTagNames[ tag ], head );\r
  45                                         };\r
  46                                         textNode = null;\r
  47                                         break;\r
  48                                 case 3 :\r
  49                                         content = skip ? node.data : X.Dom.cleanupWhiteSpace( node.data );\r
  50                                         //console.log( 'Delete space ' + node.data.length + ' => ' + content.length );\r
  51                                         if( !textNode && content !== ' ' && content.length ){\r
  52                                                 node.data = content;\r
  53                                                 textNode  = node;\r
  54                                                 break;\r
  55                                         } else\r
  56                                         if( textNode ){\r
  57                                                 textNode.data += content; // 直前が TextNode の場合 一本化して削除\r
  58                                         };\r
  59                                         // ブロック要素直下のスペースだけは削除？？\r
  60                                 default :\r
  61                                         //console.log( 'Remove type: ' + node.nodeType + ' value: ' + node.nodeValue );\r
  62                                         elm.removeChild( node );\r
  63                                         //++count;\r
  64                         };\r
  65                 };\r
  66         })( body );\r
  67         \r
  68         // body の属性値の取得\r
  69         html = body.innerHTML;\r
  70         \r
  71         body.appendChild( elmProgress = document.createElement( 'div' ) );\r
  72         elmProgress.style.cssText = 'position:absolute;top:0;left:0;z-index:9999;width:0;height:0.5em;background:#00f;overflow:hidden;';\r
  73         elmProgress.setAttribute( 'style', 'position:absolute;top:0;left:0;z-index:9999;width:0;height:0.5em;background:#00f;overflow:hidden;' );\r
  74         \r
  75         X.Dom.asyncParse( html, true )\r
  76                 .listen( X.Event.PROGRESS,\r
  77                         function(e){\r
  78                                 elmProgress.style.width = ( e.progress * 100 | 0 ) + '%';\r
  79                         }\r
  80                 )\r
  81                 .listenOnce( X.Event.SUCCESS, function( e ){\r
  82                         var xnodes = Node.root._xnodes = [], t;\r
  83                         xnodes.push.apply( xnodes, e.xnodes );\r
  84                         \r
  85                         X.Dom._asyncCreateTree( Node.root, body.childNodes, elmProgress );\r
  86                 } );\r
  87 \r
  88 }) :\r
  89 X.Dom.DOM_IE4 ?\r
  90 (function(){\r
  91         var r    = Node.root,\r
  92                 body = r._rawNode,\r
  93                 elmProgress = '_xdom_builder_progress',\r
  94                 html;\r
  95 \r
  96         /*\r
  97          * http://support.microsoft.com/kb/812417/ja\r
  98          * PRB: outerHTML の HTML 要素のプロパティは、既定の属性は表示されません。\r
  99          * \r
 100          * body.innerHTML でなく、 body.outerHTML にはできなかった、、、\r
 101          */\r
 102         html = body.innerHTML;\r
 103         body.insertAdjacentHTML( 'BeforeEnd', '<div id="' + elmProgress + '" style="position:absolute;top:0;left:0;z-index:9999;width:0;height:0.5em;background:#00f;overflow:hidden;"></div>' );\r
 104         elmProgress = document.all[ elmProgress ];\r
 105         \r
 106         X.Dom.asyncParse( html, true )\r
 107                 .listen( X.Event.PROGRESS,\r
 108                         function( e ){\r
 109                                 elmProgress.style.width = ( e.progress * 100 | 0 ) + '%';\r
 110                         }\r
 111                 )\r
 112                 .listenOnce( X.Event.SUCCESS,\r
 113                         function( e ){\r
 114                                 var xnodes = Node.root._xnodes = [], t;\r
 115                                 xnodes.push.apply( xnodes, e.xnodes );\r
 116                                 \r
 117                                 X.Dom._asyncCreateTree( Node.root, body.childNodes || body.children, elmProgress );\r
 118                         }\r
 119                 );\r
 120 }) :\r
 121 (function(){\r
 122         \r
 123 }) );\r
 124 \r
 125 X.Dom._asyncCreateTree = function ( parent, elems, elmProgress, async ){\r
 126         var xnodes      = async ? 0           : X.copyArray( parent._xnodes ),\r
 127                 l           = async ? 0           : xnodes.length,\r
 128                 stack       = async ? async.stack : [],\r
 129                 done        = async ? async.done  : 0,\r
 130                 startTime   = X.getTime(),              \r
 131                 current     = async ? async.current : {\r
 132                         me     : parent,\r
 133                         xnodes : xnodes,\r
 134                         l      : l,\r
 135                         i      : 0,\r
 136                         elems  : X.copyArray( elems ),\r
 137                         j      : 0,\r
 138                         xtext  : null,\r
 139                         flag   : 0\r
 140                 },\r
 141                 xnode, i, dive;\r
 142         while( current || ( current = stack.pop() ) ){\r
 143                 i = current.i;\r
 144                 l = current.l;\r
 145                 if( i < l ){\r
 146                         parent = current.me;\r
 147                         xnodes = current.xnodes;\r
 148                         while( xnode = xnodes[ i ] ){                   \r
 149                                 //\r
 150                                 dive = X.Dom._bindElementToXnode( parent, xnode, current );\r
 151                                 \r
 152                                 ++i;\r
 153                                 ++done;\r
 154                                 if( dive ){\r
 155                                         current.i = i;\r
 156                                         stack[ stack.length ] = current;\r
 157                                         \r
 158                                         current = dive;\r
 159                                         i       = 0;\r
 160                                         l       = dive.l;\r
 161                                         parent  = xnode;\r
 162                                         xnodes  = dive.xnodes;\r
 163                                         continue;\r
 164                                 };\r
 165                                 \r
 166                                 if( startTime + 16 <= X.getTime() ){\r
 167                                         current.i = i;\r
 168                                         if( async ){\r
 169                                                 async.current = i < l && current;\r
 170                                                 async.done    = done;\r
 171                                         };\r
 172                                         X.Timer.once( 0, X.Dom._asyncCreateTree, [ null, null, elmProgress, async || { stack : stack, current : i < l && current, done : done } ] );\r
 173                                         // progress\r
 174                                         elmProgress.style.width = ( ( 1 - done / Node._chashe.length ) * 100 | 0 ) + '%';\r
 175                                         return;\r
 176                                 };\r
 177                         };                      \r
 178                 };\r
 179                 current = null;\r
 180         };\r
 181         // complete\r
 182         X.Dom.asyncDispatch( 0, { type : X.Dom.Event.DOM_BUILDER_COMPLETE } );\r
 183         elmProgress.parentNode ? elmProgress.parentNode.removeChild( elmProgress ) : ( elmProgress.outerHTML = '' );\r
 184         delete X.Dom._asyncCreateTree;\r
 185         delete X.Dom._bindElementToXnode;\r
 186 };\r
 187 \r
 188 X.Dom._bindElementToXnode =\r
 189         X.Dom.DOM_W3C ?\r
 190                 (function( parent, xnode, current ){\r
 191                         var elems = current.elems,\r
 192                                 //j     = current.j,\r
 193                                 m     = elems.length,\r
 194                                 xtext = current.xtext,\r
 195                                 skipCleanup = current.skipCleanup,\r
 196                                 inPreTag    = current.inPreTag,\r
 197                                 elm, tag, text;\r
 198                 \r
 199                         xnode.parent = parent;\r
 200                 \r
 201                         for( ; current.j < m; ++current.j ){\r
 202                                 elm = elems[ current.j ];\r
 203                                 tag = elm.tagName && elm.tagName.toUpperCase();\r
 204                                 if( ( elm.nodeType !== 1 && elm.nodeType !== 3 ) || tag === '!' || ( tag && tag.charAt( 0 ) === '/' ) ){\r
 205                                         elm.parentNode.removeChild( elm );\r
 206                                         continue;\r
 207                                 };\r
 208                 \r
 209                                 if( xnode._xnodeType === 1 ){\r
 210                                         if( elm.nodeType === 3 ){\r
 211                                                 //if( !( text = elm.data ) || ( text = X.Dom.cleanupWhiteSpace( text ) ) === ' ' ){\r
 212                                                 //      elm.parentNode.removeChild( elm );\r
 213                                                 //      continue;\r
 214                                                 //};\r
 215                                                 alert( '[' +parent._tag + '>' +xnode._tag + '] !== ' + elm.nodeType + '\n' + elm.data );\r
 216                                         } else\r
 217                                         if( xnode._tag !== tag ){\r
 218                                                 alert( '[' +parent._tag + '>' +xnode._tag + ' ' + (xnode._xnodes ? xnode._xnodes.length : '' ) + '] !== ' + tag + ' ' + (elm.childNodes ? elm.childNodes.length : '' ) + '\n' + elm.outerHTML );\r
 219                                         } else {\r
 220                                                 xnode._rawNode = elm;\r
 221                                                 //if( ( doc = elm.ownerDocument || elm.document ) && ( doc.createElement( 'p' ).tagName === doc.createElement( 'P' ).tagName ) ){\r
 222                                                         if( tag.charAt( 0 ) === '/' ) tag = tag.slice( 1 );\r
 223                                                         xnode._tag = tag;\r
 224                                                 //};\r
 225                                                 xnode._root = parent._root;\r
 226                                                 elm.UID     = xnode._uid;\r
 227                                                 \r
 228                                                 if( tag === 'TEXTAREA' ){\r
 229                                                         xnode.attr( 'value', xnode.html() ).empty();\r
 230                                                         current.xtext = null;\r
 231                                                 } else\r
 232                                                 if( !xnode.hasClass( 'skip-cleanup' ) && ( X.Dom.cleanupTagNames[ tag ] || xnode.hasClass( 'cleanup-target' ) ) ){ // ie で body 内の script が2度よばれるのに対処\r
 233                                                         //alert( '[' +parent._tag + '>' + xnode._tag + '] remove ... ' );\r
 234                                                         xnode.destroy();\r
 235                                                 } else\r
 236                                                 if( elm.childNodes && elm.childNodes.length ){\r
 237                                                         //alert( '[' +parent._tag + '>' + xnode._tag + ' ' + (xnode._xnodes ? xnode._xnodes.length : '' ) + '] === ' + tag + ' ' + (elm.childNodes ? elm.childNodes.length : '' ) + ' Hit\n' + elm.outerHTML );\r
 238                                                         current.xtext = null;\r
 239                                                         ++current.j;\r
 240                                                         \r
 241                                                         return {\r
 242                                                                 me     : xnode,\r
 243                                                                 xnodes : X.copyArray( xnode._xnodes ),\r
 244                                                                 xtext  : null,\r
 245                                                                 flag   : 0,\r
 246                                                                 i      : 0,\r
 247                                                                 l      : xnode._xnodes.length,\r
 248                                                                 elems  : X.copyArray( elm.childNodes ),\r
 249                                                                 j      : 0,\r
 250                                                                 skipCleanup : skipCleanup || X.Dom.skipCleanupTagNames[ tag ]\r
 251                                                         };\r
 252                                                 };\r
 253                                         };\r
 254                                         ++current.j;\r
 255                                         break;\r
 256                                 };\r
 257                                 \r
 258                                 if( elm.nodeType !== 3 ){\r
 259                                         if( !( text = xnode._text ) || ( text = X.Dom.cleanupWhiteSpace( text ) ) === ' ' ){\r
 260                                                 console.log( '[' +parent._tag + '>' + xnode._uid + '] destroy ... ' );\r
 261                                                 xnode.destroy();\r
 262                                                 break;\r
 263                                         };\r
 264                                         alert(  parent._tag + ' > ' + '"' + xnode._text + '" !== ' + tag + '\n' +\r
 265                                                 'prev : ' + ( xnode.prevNode() && xnode.prevNode().html() ) + '\n' +\r
 266                                                 'next : ' + ( xnode.nextNode() && xnode.nextNode().html() ) + '\n' +\r
 267                                                 'html : ' + elm.outerHTML );\r
 268                                         break;\r
 269                                 };\r
 270                                 \r
 271                                 ++current.j;\r
 272                                 xnode._rawNode = elm;\r
 273                                 xnode._root    = parent._root;\r
 274                                 if( !skipCleanup ){\r
 275                                         if( !( text = xnode._text ) || ( text = X.Dom.cleanupWhiteSpace( text ) ) === ' ' ){\r
 276                                                 console.log( '[' +parent._tag + '>' + xnode._uid + '] destroy ... ' );\r
 277                                                 xnode.destroy();\r
 278                                         };\r
 279                                         if( xtext ){\r
 280                                                 xtext.text( xtext._text + text );\r
 281                                                 console.log( '[' +parent._tag + '>' + xnode._uid + '] xtext,destroy ... ' );\r
 282                                                 xnode.destroy();\r
 283                                         } else {\r
 284                                                 //alert( parent._tag + '>' + '"' + text + '"\n' + elm.data );\r
 285                                                 xnode.text( text );\r
 286                                         };\r
 287                                 } else\r
 288                                 if( xtext ){\r
 289                                         xtext.text( xtext._text + xnode._text );\r
 290                                         console.log( '[' +parent._tag + '>' + xnode._uid + '] xtext,destroy ... ' );\r
 291                                         xnode.destroy();\r
 292                                 };\r
 293                                 current.xtext = xtext || xnode;\r
 294                                 break;\r
 295                         };\r
 296                 }) :\r
 297                 (function ( parent, xnode, current ){\r
 298                         var elems = current.elems,\r
 299                                 j     = current.j,\r
 300                                 m     = elems.length,\r
 301                                 xtext = current.xtext,\r
 302                                 skipCleanup = current.skipCleanup,\r
 303                                 elm, tag, text;\r
 304                 \r
 305                         xnode.parent = parent;\r
 306                         \r
 307                         if( xnode._xnodeType === 3 ){\r
 308                                 //alert( X.Dom.cleanupWhiteSpace( xnode._text ) );\r
 309                                 if( !skipCleanup ){\r
 310                                         if( !( text = xnode._text ) || ( text = X.Dom.cleanupWhiteSpace( text ) ) === ' ' ){\r
 311                                                 xnode.destroy();\r
 312                                         } else\r
 313                                         if( xtext ){\r
 314                                                 //alert( 'xtext ' + text.charCodeAt( 0 ) + ' : ' + text.length );\r
 315                                                 xtext.text( xtext._text + text );\r
 316                                                 xnode.destroy();\r
 317                                         } else {\r
 318                                                 //alert( 'xnode ' + text.charCodeAt( 0 ) + ' : ' + text.length );\r
 319                                                 xnode.text( text );\r
 320                                         };\r
 321                                 } else\r
 322                                 if( xtext ){\r
 323                                         //alert( 'skip ' + text.charCodeAt( 0 ) + ' : ' + text.length );\r
 324                                         xtext.text( xtext._text + xnode._text );\r
 325                                         xnode.destroy();\r
 326                                 };\r
 327                                 current.flag |= 4;\r
 328                                 current.xtext = xtext || xnode;\r
 329                                 return;\r
 330                         };\r
 331                         \r
 332                         if( xnode._xnodeType !== 1 ){\r
 333                                 //alert( xnode._xnodeType )\r
 334                                 return;\r
 335                         };\r
 336                         \r
 337                         for( ; j < m; ++j, ++current.j ){\r
 338                                 elm = elems[ j ];\r
 339                                 tag = elm.tagName;\r
 340                                 /*\r
 341                                  * 未知のタグについては、閉じタグも含めてタグ名扱いになる\r
 342                                  */\r
 343                                 if( tag === '!' || tag.charAt( 0 ) === '/' ){\r
 344                                         //alert( '## ' + tag );\r
 345                                         continue;\r
 346                                 } else\r
 347                                 if( xnode._tag !== tag ){\r
 348                                         alert( xnode._tag + ' ' + ' !== ' + tag + '\nxnode.html():' + xnode.attr('cite') + '\nelm.outerHTML:' +  elm.outerHTML );\r
 349                                 } else {\r
 350                                         ++current.j;\r
 351                                         \r
 352                                         xnode._rawNode = elm;\r
 353                                         xnode._root    = parent._root;\r
 354                                         //xnode._tag     = X.Dom.DTD.TAG_FIX[ tag ] || tag;\r
 355                                         if( !xnode.hasClass( 'skip-cleanup' ) && ( X.Dom.cleanupTagNames[ tag ] || xnode.hasClass( 'cleanup-target' ) ) ){\r
 356                                                 xnode.destroy();\r
 357                                                 break;\r
 358                                         };\r
 359                                         \r
 360                                         !xnode._id && elm.setAttribute( 'id', 'ie4uid' + xnode._uid );\r
 361                                         elm.setAttribute( 'UID', xnode._uid );\r
 362                                         \r
 363                                         tag === 'INPUT' && (\r
 364                                                 !xnode._attrs ?\r
 365                                                         ( xnode._attrs = { type : 'text' } ) :\r
 366                                                         xnode._attrs.type || ( xnode._attrs.type = 'text' )\r
 367                                         );\r
 368                                         current.flag |= 3;\r
 369                                         current.xtext = null;\r
 370                                         \r
 371                                         if( tag === 'TEXTAREA' ){\r
 372                                                 xnode.attr( 'value', xnode.html() ).empty();\r
 373                                         } else\r
 374                                         if( xnode._xnodes && xnode._xnodes.length ){\r
 375                                                 return {\r
 376                                                         me     : xnode,\r
 377                                                         xnodes : X.copyArray( xnode._xnodes ),\r
 378                                                         xtext  : null,\r
 379                                                         flag   : 0,\r
 380                                                         i      : 0,\r
 381                                                         l      : xnode._xnodes.length,\r
 382                                                         elems  : X.copyArray( elm.children ),\r
 383                                                         j      : 0,\r
 384                                                         skipCleanup : skipCleanup || X.Dom.skipCleanupTagNames[ tag ]\r
 385                                                 };\r
 386                                         };\r
 387                                         break;\r
 388                                 };\r
 389                         };\r
 390                         // for\r
 391                         if( !xnode._rawNode ){\r
 392                                 alert( xnode._tag + ' ' + xnode._id + ' !== none...' );\r
 393                         };\r
 394                 \r
 395                         // textNode がある\r
 396                         ( current.flag & 6 ) && ( parent._dirty |= X.Dom.Dirty.IE4_TEXTNODE_FIX );\r
 397                 });\r