2 * Class を定義し システムの管理下に置く.
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3 * 全てのクラスと pool が有効の場合インスタンスへの参照が保持される.
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4 * 1. X.Class.create( def, opt_final, opt_pool, opt_abstract ) でクラスを登録.
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5 * 2. コンストラクタ となるメソッドは、Constructor : function( arg ){ ... }, に書く.
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6 * 3. 通常通り new で インスタンス生成
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7 * 4. kill() でオブジェクトをクリーンして削除、pool が有効の場合は pool される.
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8 * 5. pool が有効の場合、new で pool されたインスタンスが返される.
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12 X.Class = ( function(){
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13 var CLASS_LIST = [],
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15 PRIVATE_CLASS_LIST = [],
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16 PRIVATE_DEF_LIST = [],
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17 CONSTRUCTOR = 'Constructor',
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18 killPrivateFlag = false,
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20 _slice = Array.prototype.slice;
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23 * var subClass = superClass.inherits( ... )
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24 * http://d.hatena.ne.jp/m-hiyama/20051018/1129605002
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26 function inherits( /* displayName, classSetting, opt_PrivateClass, props */ ){
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27 var args = X.copyArray( arguments ),
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30 superDef = X.Class._getClassDef( Super ),
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31 displayName = args[ 0 ],
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35 if( superDef.Final ) X.Notification.critical( 'X.Class inherits, Class is final!' );
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38 if( X.Type.isString( displayName ) ){
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41 displayName = 'SubClass of ' + superDef.displayName;
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43 params.push( displayName );
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46 classSetting = args[ 0 ];
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47 if( X.Type.isNumber( classSetting ) ){
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50 classSetting = superDef.setting;
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52 if( superDef.isPrivate ) classSetting = classSetting | X.Class.PRIVATE_DATA;
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53 opt_super = !!( classSetting & X.Class.SUPER_ACCESS );
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54 params.push( classSetting );
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57 if( X.Class._getClass( args[ 0 ] ) ){
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58 params.push( args.shift() );
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60 if( superDef.privateClass ){
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61 params.push( superDef.privateClass );
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63 params.push( args[ 0 ] ); /* props サブクラスでは未定義でも可 */
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67 traits = new Super();
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69 klass = X.Class.create.apply( X.Class, params );
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73 if( opt_super === true ){
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74 def = X.Class._getClassDef( klass );
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76 def.SuperProto = Super.prototype;
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77 def.SuperConstructor = superDef[ CONSTRUCTOR ] || superDef.SuperConstructor;
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83 /* X.Class.create で作られたクラスのインスタンスが共通で備えるメソッド */
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86 var instance = this,
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87 klass = X.Class._getClass( instance ),
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88 def = X.Class._getClassDef( klass ),
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90 if( def.isPrivate === true && killPrivateFlag === false ){
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91 X.Notification.critical( 'PrivateInstance.kill() work in PrivateUser.kill().' );
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94 killPrivateFlag = false; // onKill 内で PrivateInstance.kill() を防ぐため
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95 // onKill() === false の場合、kill のキャンセル
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96 // private は false での キャンセル は無視される
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97 if( X.Type.isFunction( instance.onKill ) && instance.onKill() === false && !def.isPrivate ){
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100 for( p in instance ){
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101 if( instance.hasOwnProperty && !instance.hasOwnProperty( p ) ) continue;
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102 delete instance[ p ];
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105 def.live && def.live.splice( def.live.indexOf( instance ), 1 );
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106 def.pool[ def.pool.length ] = instance;
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108 if( def.privateClass ){
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109 i = def.userList.indexOf( instance );
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111 data = X.Class._getPrivate( instance );
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112 killPrivateFlag = true;
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114 def.dataList.splice( i, 1 );
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115 def.userList.splice( i, 1 );
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119 instanceOf : function( klass ){
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121 if( this.constructor === klass ) return true;
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122 while( Super = X.Class._getClassDef( Super ).Super ){
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123 if( Super === klass ) return true;
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130 * new の実体.コンストラクタの機能は instance.Constructor に書く.
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131 * これにより pool された オブジェクト(破棄されたインスタンス) を再利用できる
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133 /* Constructor Real for GeneralClass */
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134 function C( args ){
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136 def = X.Class._getClassDef( klass ),
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137 dataUser = def._tempUser,
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140 if( def.Abstract === true ){
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141 X.Notification.critical( 'AbstractClass!' );
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144 if( def.isPrivate === true && dataUser === null ){
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145 X.Notification.critical( 'use myClass.newPrivate( instance, ...args )!' );
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148 klass.__new = null;
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149 instance = def.pool && def.pool.length > 0 ? def.pool.pop() : new klass();
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151 if( def.isPrivate === true ){
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152 userDef = X.Class._getClassDef( dataUser );
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153 userDef.dataList.push( instance );
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154 userDef.userList.push( dataUser );
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155 instance.User = dataUser;
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156 def._tempUser = null;
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158 def.live && def.live.push( instance );
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161 // klass.prototype に移動
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162 instance.Super = def.SuperProto;
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163 instance.SuperConstructor = superConstructor;
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165 def[ CONSTRUCTOR ] ?
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166 def[ CONSTRUCTOR ].apply( instance, args ) :
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167 def.SuperConstructor &&
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168 def.SuperConstructor.apply( instance, args );
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172 function superConstructor(){
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173 var s = X.Class._getClassDef( this ).SuperConstructor;
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174 s && s.apply( this, arguments );
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183 create : function( /* displayName, classSetting, opt_PrivateClass, props */ ){
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184 var args = X.copyArray( arguments ),
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185 displayName = args[ 0 ],
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187 opt_pool, opt_abstract, opt_final, opt_private,
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192 if( X.Type.isString( displayName ) === true ){
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193 classDef.displayName = displayName;
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198 classDef.setting = classSetting = args[ 0 ];
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199 if( X.Type.isNumber( classSetting ) ){
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200 opt_pool = !!( classSetting & X.Class.POOL_OBJECT );
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201 opt_abstract = !!( classSetting & X.Class.ABSTRACT );
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202 opt_final = !!( classSetting & X.Class.FINAL );
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203 opt_private = !!( classSetting & X.Class.PRIVATE_DATA );
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204 if( opt_final && opt_abstract ){
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205 X.Notification.critical( 'final & Abstract!' );
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210 classDef.setting = 0;
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214 if( PRIVATE_CLASS_LIST.indexOf( args[ 0 ] ) !== -1 ){
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215 privateDef = X.Class._getClassDef( args[ 0 ] );
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216 if( privateDef.isPrivate !== true ){
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217 X.Notification.critical( 'PrivateClass not found! please, X.Class.create( X.Class.PRIVATE, {...} ).' );
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220 if( privateDef.Abstract === true ){
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221 X.Notification.critical( 'PrivateClass is Abstract!' );
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224 classDef.privateClass = args.shift();
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229 if( props === null || !X.Type.isObject( props ) ){
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230 // サブクラスの場合、クラス定義の上書きがなくても作成可能
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232 X.Notification.critical( 'No Class Def!' );
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237 if( props[ CONSTRUCTOR ] && X.Type.isFunction( props[ CONSTRUCTOR ] ) ){
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238 classDef[ CONSTRUCTOR ] = props[ CONSTRUCTOR ];
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241 klass = new Function( 'var a=arguments,f=a.callee;if(f.__new)return f.__new(a)' );
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243 klass.superClassOf = X.Class._superClassOf;
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244 klass.subClassOf = X.Class._subClassOf;
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246 if( X.UA.Safari && X.UA.Safari < 3 ){ // TODO Gecko もこちらへ
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247 X.Class._override( X.Class._override( traits || klass.prototype, props, true ), CommonProps, false );
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248 if( traits ) klass.prototype.__proto__ = traits;
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250 klass.prototype = X.Class._override( X.Class._override( traits || klass.prototype, props, true ), CommonProps, false );
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251 klass.prototype.constructor = klass;
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253 klass.name = displayName;
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255 if( opt_abstract === true ){
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256 classDef.Abstract = true;
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258 if( opt_pool === true ){
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259 classDef.pool = [];
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260 if( opt_private === false ) classDef.live = [];
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262 if( opt_final === true ){
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263 classDef.Final = true;
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265 klass.inherits = inherits;
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267 if( opt_private === true ){
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268 if( classDef.privateClass ){
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269 X.Notification.critical( 'Private Data Class has no PrivateClass!' );
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272 classDef.isPrivate = true;
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273 PRIVATE_CLASS_LIST.push( klass );
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274 PRIVATE_DEF_LIST.push( classDef );
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276 CLASS_LIST.push( klass );
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277 DEF_LIST.push( classDef );
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281 sys_shutdown : function(){
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284 _getClass : function( instance ){
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285 var cList = CLASS_LIST,
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289 klass = cList[ --i ];
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290 if( instance.constructor === klass ) return klass;
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292 cList = PRIVATE_CLASS_LIST;
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295 klass = cList[ --i ];
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296 if( instance.constructor === klass ) return klass;
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299 if( cList.indexOf( instance ) !== -1 ) return instance;
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300 if( CLASS_LIST.indexOf( instance ) !== -1 ) return instance;
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302 _getClassDef : function( KlassOrInstance ){
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303 var i = CLASS_LIST.indexOf( KlassOrInstance );
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304 if( i === -1 ) i = CLASS_LIST.indexOf( X.Class._getClass( KlassOrInstance ) );
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305 if( i !== -1 ) return DEF_LIST[ i ];
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307 i = PRIVATE_CLASS_LIST.indexOf( KlassOrInstance );
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308 if( i === -1 ) i = PRIVATE_CLASS_LIST.indexOf( X.Class._getClass( KlassOrInstance ) );
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309 if( i !== -1 ) return PRIVATE_DEF_LIST[ i ];
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311 if( DEF_LIST.indexOf( KlassOrInstance ) !== -1 ) return KlassOrInstance;
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312 if( PRIVATE_DEF_LIST.indexOf( KlassOrInstance ) !== -1 ) return KlassOrInstance;
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314 _newPrivate : function( /* instance, args */ ){
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315 var args = X.copyArray( arguments ),
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316 user = args.shift(),
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317 def = X.Class._getClassDef( user ),
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318 privateClass = def.privateClass,
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319 privateDef = X.Class._getClassDef( privateClass ),
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321 if( def.userList ){
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322 i = def.userList.indexOf( user );
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328 X.Notification.critical( 'PrivateData already exist!' );
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331 if( privateDef._tempUser ){
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332 X.Notification.critical( 'newPrivate を連続呼び出しされたところ破綻' );
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335 privateDef._tempUser = user;
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336 return privateClass.__new( args );
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338 _getPrivate : function( instance ){
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339 var def = X.Class._getClassDef( instance ),
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340 i = def.userList.indexOf( instance );
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341 if( i !== -1 ) return def.dataList[ i ];
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343 /* over のプロパティを target にコピーする.ただし target の プロパティが優先, force で解除 */
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344 _override : function ( target, src, force ){
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347 if( p === 'Super' || p === 'SuperConstructor' || p === '__proto__' || p === 'prototype' || p === 'constructor' ){
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348 X.Notification.critical( 'Super & SuperConstructor is reserved!' );
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351 if( force || target[ p ] === void 0 ){
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352 target[ p ] = src[ p ];
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357 _superClassOf : function(){
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360 _subClassOf : function(){
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366 console.log( 'X.Core.Class' );
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