mirror of
https://scm.univ-tours.fr/22107988t/rappaurio-sae501_502.git
synced 2025-08-29 22:25:58 +02:00
482 lines
23 KiB
JavaScript
482 lines
23 KiB
JavaScript
|
||
/*
|
||
|
||
******** class template ********
|
||
|
||
用
|
||
=function(){}()
|
||
似乎亦可，見 SWFObject 2.2
|
||
*/
|
||
|
||
var ClassT={}; // class template set 讓 addCode 也可以讀通
|
||
|
||
|
||
|
||
// ===================================================
|
||
/*
|
||
** class description: class template (simple version)
|
||
|
||
_=this
|
||
|
||
TODO:
|
||
|
||
|
||
HISTORY:
|
||
2008/7/21 16:12:32 create
|
||
*/
|
||
var
|
||
classT=
|
||
|
||
(ClassT.classT=function(initF){
|
||
|
||
var
|
||
|
||
// class private -----------------------------------
|
||
|
||
|
||
// instance constructor ---------------------------
|
||
instanceL=[],
|
||
initI=function(a){
|
||
var _t=this,_p=pv(_t);
|
||
instanceL.push(_t); // for destructor
|
||
//_p.vars=a
|
||
|
||
// initial instance object
|
||
},_=function(){initI.apply(this,arguments);initF&&initF.apply(this,arguments);},
|
||
|
||
|
||
// (instance private handle) 不要 instance private 的把這函數刪掉即可。
|
||
_p='_'+(''+Math.random()).replace(/\./,''),
|
||
// get private variables (instance[,destroy]), init private variables (instance[,access function list[, instance destructor]])
|
||
pv=function(i,d,k){var V,K=_p('k');return arguments.callee.caller===_p('i')?(V=_p(i[K]=_p()),V.O=i,V.L={}):(K in i)&&(V=_p(i[K]))&&i===V.O?d?(_p(i[K],1),delete i[K]):V.L:{};};
|
||
|
||
// class destructor ---------------------------
|
||
/*
|
||
please call at last (e.g., window.unload)
|
||
|
||
usage:
|
||
classT=classT.destroy();
|
||
or if you has something more to do:
|
||
classT.destroy()&&classT=null;
|
||
*/
|
||
|
||
_.destroy=function(){for(var i=0,l=instanceL.length;i<l;i++)instanceL[i].destroy();_p();};
|
||
|
||
// (instance private handle, continue)
|
||
eval('_p=(function(){var '+_p+'={a:pv,d:_.destroy,c:0,k:"+pv+'+Math.random()+'",i:initI};return function(i,d){var f=arguments.callee.caller;if(f==='+_p+'.a){if(!d)return i in '+_p+'?'+_p+'[i]:('+_p+'[i='+_p+'.c++]={},i);'+_p+'[i]={};}if(f==='+_p+'.d)'+_p+'={};}})();');
|
||
_p.toString=function(){return'';};
|
||
|
||
|
||
// class public interface ---------------------------
|
||
|
||
// func
|
||
_.func=function(){
|
||
var _t=this;
|
||
|
||
};
|
||
|
||
// class constructor ---------------------------
|
||
|
||
// do something others
|
||
|
||
|
||
_.prototype={
|
||
// 應該盡量把東西放在 class，instance 少一點…？
|
||
// ** important ** 這邊不能作 object 之 initialization，否則因為 object 只會 copy reference，因此 new 時東西會一樣。initialization 得在 _() 中作！
|
||
|
||
// instance public interface -------------------
|
||
|
||
setV:function(a){
|
||
var _t=this,_p=pv(_t);
|
||
//_p.vars=a
|
||
},
|
||
|
||
|
||
// instance destructor ---------------------------
|
||
/*
|
||
usage:
|
||
instance=instance.destroy();
|
||
or if you has something more to do:
|
||
instance.destroy()&&instance=null;
|
||
*/
|
||
destroy:function(){pv(this,1);}
|
||
}; // _.prototype=
|
||
|
||
return _;
|
||
})(); // function(initF){
|
||
|
||
// ===================================================
|
||
|
||
|
||
|
||
|
||
|
||
|
||
// 解析
|
||
|
||
|
||
|
||
// ===================================================
|
||
|
||
/*
|
||
** class description: class template
|
||
|
||
_=this
|
||
|
||
TODO:
|
||
.constructor 設定
|
||
inherits:
|
||
http://www.cnblogs.com/birdshome/archive/2005/01/28/95933.html
|
||
http://www.blogjava.net/zkjbeyond/archive/2006/05/08/45108.html
|
||
|
||
|
||
HISTORY:
|
||
2008/7/21 16:12:32 create
|
||
7/24 15:14:16 enhanced by set .toString. But.. If we use delete _p.toString, than we still can..
|
||
eval('a = pv',some_instance);
|
||
eval('var s=_p.toString;delete _p.toString;sl("** test1 _p: "+_p);_p.toString=s;sl("** test2 _p: "+_p);',a);
|
||
7/26 11:38:6 className
|
||
|
||
TOTRY:
|
||
直接對 eval 下手，使 delete 掉 eval 則 lost data
|
||
*/
|
||
var
|
||
classT_debug=
|
||
|
||
// 若是不須讓 addCode 也可以讀通，不加 ClassT.~ 也沒關係。
|
||
(ClassT.classT=function(initF){ // initF: additional initialization function
|
||
|
||
var
|
||
|
||
// class private -----------------------------------
|
||
className='',//classT
|
||
|
||
// variables
|
||
vars=7,
|
||
// function
|
||
doLog=function(m){
|
||
var _t=_;
|
||
sl((className?className+': ':'>> ')+m); // this+': '
|
||
},
|
||
|
||
|
||
|
||
// instance constructor ---------------------------
|
||
instanceL=[], // 實例 list
|
||
initI=function(a){
|
||
var _t=this,// 這裡面有用的是 this，不是 arguments.callee。
|
||
_p=pv(_t);//pv(_t,[func1,func2,..],_.destroy); // init private variables
|
||
instanceL.push(_t); // for destructor
|
||
|
||
// initial instance object
|
||
_t.property1=[];
|
||
|
||
_t.testV=a;
|
||
doLog('class create: '+a);
|
||
|
||
//return this;
|
||
},
|
||
|
||
// 盡量減少 instance 體積…有用嗎？
|
||
_=function(){
|
||
initI.apply(this,arguments);
|
||
initF&&initF.apply(this,arguments);
|
||
},
|
||
|
||
|
||
// (instance private handle) 不要 instance private 的把這函數刪掉即可。
|
||
/*
|
||
更完整的防治：比對 arguments.callee.caller 的程式碼，確定登錄過才給予存取。
|
||
…在 eval() 的第二 argument 下無用武之地。
|
||
*/
|
||
|
||
_p='_'+(''+Math.random()).replace(/\./,''),
|
||
|
||
pv=function(i,d,k){ // get private variables (instance[,destroy]), init private variables (instance[,access function list[, instance destructor]])
|
||
var V,K=_p('k');
|
||
/* V: get variables
|
||
|
||
V.L variables {}
|
||
V.O instance
|
||
|
||
for full version:
|
||
V.F 可存取函數的程式碼 list {}
|
||
V.D instance destructor
|
||
*/
|
||
|
||
// simple version
|
||
if(0)return arguments.callee.caller===_p('i')?
|
||
(V=_p(i[K]=_p()),V.O=i,V.L={})
|
||
:(K in i)&&(V=_p(i[K]))&&i===V.O?
|
||
d?(_p(i[K],1),delete i[K]):V.L
|
||
:{}; // 竄改就會出 trouble
|
||
|
||
|
||
// full version
|
||
var c=arguments.callee.caller,j=0,l;
|
||
doLog('pv: '+(c===_p('i')?'init':d?'destory':'get variables')+' by '+c);
|
||
if(c===_p('i')){
|
||
V=_p(i[K]=_p());
|
||
V.O=i;
|
||
if(k)V.D=k; // instance destructor
|
||
// 登錄可存取函數的程式碼。更狠的：不用 {} 而用 d，確定是 *完全相同* 的 function。
|
||
if(Array.isArray(d)) // []: no access!!
|
||
for(k=V.F={},l=d.length;j<l;j++)
|
||
k[d[j]]=1;
|
||
return V.L={};
|
||
}
|
||
|
||
// 預防竄改，找尋本來應該的 index。
|
||
if(!(K in i)||!(V=_p(i[K]))||i!==V.O)
|
||
for(k=_p('c');j<k;j++)
|
||
if(i===_p(j).O){
|
||
doLog('pv: correct index: '+i[K]+' to '+j);
|
||
i[K]=j;
|
||
break;
|
||
}
|
||
|
||
if((K in i)&&(V=_p(i[K]))&&i===V.O)
|
||
if(d){
|
||
// call from instance destructor
|
||
if(!V.D||c===V.D)_p(i[K],1),delete i[K];
|
||
//else throw new Error(3,'Error calling to destroy.');
|
||
}else if(!V.F||V.F[c]){
|
||
doLog('pv: get index '+i[K]+'.');
|
||
//if(!V.L)throw new Error(1,'Error to get variables! Maybe it was already destroyed?');//private variables
|
||
return V.L;
|
||
}
|
||
|
||
return {}; // throw new Error(1,'Illegal access!');
|
||
}; // of pv=function(
|
||
|
||
|
||
// (for inherits)
|
||
/*
|
||
不要 inherit 的把這段刪掉即可。
|
||
usage:
|
||
// 模擬 inherits
|
||
newClass=oldClass.clone();
|
||
// prevent re-use. 防止再造
|
||
delete oldClass.clone;
|
||
*/
|
||
(_.clone=arguments.callee).toString=function(){return '[class_template]';};
|
||
|
||
|
||
// class destructor ---------------------------
|
||
/*
|
||
please call at last (e.g., window.unload)
|
||
|
||
usage:
|
||
classT=classT.destroy();
|
||
or if you has something more to do:
|
||
classT.destroy()&&classT=null;
|
||
*/
|
||
|
||
_.destroy=function(){
|
||
doLog('destroy: Destroy class.');
|
||
for(var i=0,l=instanceL.length;i<l;i++)
|
||
instanceL[i].destroy();
|
||
_p();
|
||
};
|
||
|
||
|
||
// class public interface ---------------------------
|
||
|
||
// variables
|
||
_.variables={};
|
||
// func
|
||
_.func=function(){
|
||
var _t=this;
|
||
|
||
};
|
||
|
||
|
||
// (instance private handle, continue)
|
||
// .a: accessable caller function, .d: class destructor, c:count, .k: private variables keyword, .i: init function, m: accessable class members
|
||
// destructor: (index,1) Warning: 某些環境中 Array 可能無法用 delete?
|
||
eval('_p=(function(){var '+_p+'={a:pv,d:_.destroy,c:0,k:"+pv+'+Math.random()+'",i:initI,m:{_:{}}}; (function(m,i){for(i=0;i<m.length;i++)if(m[i])'+_p+'.m[m[i]]=1;})(['
|
||
//'func1,func2' // 在這裡填上需要 call 隱藏數值的 class private function。若無，可考慮合併到 _.destroy 前。
|
||
+']); return function(i,d){var f=arguments.callee.caller;if(f==='+_p+'.a){if(!d)return i in '+_p+'?'+_p+'[i]:('+_p+'[i='+_p+'.c++]={},i);'+_p+'[i]={};}if('+_p+'.m[f])return '+_p+'.m._;if(f==='+_p+'.d)'+_p+'={};}})();');
|
||
_p.toString=function(){return '';};
|
||
|
||
|
||
// class constructor ---------------------------
|
||
|
||
// do something others
|
||
|
||
|
||
_.prototype={
|
||
// 應該盡量把東西放在 class，instance 少一點…？
|
||
|
||
// instance public interface -------------------
|
||
|
||
// ** important ** 這邊不能作 object 之 initialization，否則因為 object 只會 copy reference，因此 new 時東西會一樣。initialization 得在 _() 中作！
|
||
property1:[],
|
||
|
||
setV:function(m){
|
||
var _t=this,_p=pv(_t);
|
||
doLog('setV: class vars='+(vars=m)+', this.vars='+(_p.vars=m));
|
||
},
|
||
|
||
getV:function(){
|
||
var _t=this,_p=pv(_t);
|
||
doLog('getV: class vars='+vars+', this.vars='+_p.vars);
|
||
},
|
||
|
||
|
||
// instance destructor ---------------------------
|
||
|
||
/*
|
||
usage:
|
||
instance=instance.destroy();
|
||
or if you has something more to do:
|
||
instance.destroy()&&instance=null;
|
||
|
||
TODO: Need *auto* detect if the object is destroyed.
|
||
*/
|
||
destroy:function(){
|
||
// If you need to do something (e.g, destroy sub-sub-objects) before destroy it, you need to call pv(this) first here.
|
||
pv(this,1);
|
||
}
|
||
|
||
}; // _.prototype=
|
||
|
||
// class name ---------------------------
|
||
if(className){
|
||
_.prototype.toString=_.toString=function(){return '[class '+className+']';};//classT
|
||
//eval('var className=_',this); // 行不通
|
||
}
|
||
|
||
return _;
|
||
})(); // (function(){
|
||
|
||
|
||
// ===================================================
|
||
|
||
|
||
/*
|
||
// test suit
|
||
sl('<hr />');
|
||
var c1=new classT(123),c2=new classT(456);
|
||
|
||
c1.setV('Hello');
|
||
c2.setV('World');
|
||
c1.getV();
|
||
c2.getV();
|
||
|
||
sl(c1.testV+','+c2.testV);
|
||
|
||
c1.destroy();
|
||
c2.destroy();
|
||
classT.destroy();
|
||
*/
|
||
|
||
|
||
|
||
|
||
|
||
/*
|
||
繼承
|
||
http://www.cnblogs.com/birdshome/archive/2005/01/28/95933.html
|
||
|
||
|
||
引入arguments.length：這代表傳入引數個數（長度），arguments.callee.length：這代表(function)自身定義的引數個數（長度）
|
||
function fn(){
|
||
var _f=arguments.callee; // f: function, flag 引入arguments.callee：這代表(function)自身
|
||
// 以 _f.* 替代 fn.*
|
||
alert('fn: _f.val='+_f.val);
|
||
}
|
||
fn.subfn=function(){
|
||
var _f=arguments.callee; // function, flag
|
||
// 當不用 new 時，以 _f.* 替代 fn.subfn.*，this.* 替代 fn.*。但在 (fn.subfn=function(){ .. }) 中間就不能用 this, _f
|
||
alert('fn.subfn: this.val='+this.val); // *** !!WARNING!! 在 eval() 中 this 可能表示 window，這時就無法用 this 來得到 fn 了。
|
||
alert('fn.subfn: _f.val='+_f.val);
|
||
};
|
||
fn.subfn.val='test value: fn.subfn.val';
|
||
fn.val='test value: fn.val';
|
||
fn.prototype={
|
||
constructor:fn, // need to adjust
|
||
subfn:function(){
|
||
var _f=arguments.callee; // function, flag
|
||
// 當不用 new 時，以 _f.* 替代 fn.subfn.*，this.* 替代 fn.*
|
||
alert('fn.prototype.subfn: this.val='+this.val);
|
||
alert('fn.prototype.subfn: _f.val='+_f.val);
|
||
alert('fn.prototype.subfn: this.constructor.val='+this.constructor.val);
|
||
},
|
||
val:'test value: fn.prototype.val'
|
||
}; // fn.prototype={
|
||
fn.prototype.subfn.val='test value: fn.prototype.subfn.val';
|
||
var inst=new fn;
|
||
//inst.constructor.subfn();
|
||
inst.subfn();
|
||
|
||
|
||
var obj={
|
||
val:34,
|
||
fn:function(){
|
||
var _f=arguments.callee; // function, flag
|
||
// 以 _f.* 替代 obj.subfn.*，this.* 替代 obj.*
|
||
alert(this.val);
|
||
}
|
||
};
|
||
ww.ee();
|
||
|
||
|
||
|
||
to hack @ Firefox 3.0: https://bugzilla.mozilla.org/show_bug.cgi?id=442333
|
||
假設 scope obj.fn 裡有一個 foo 變數，在 Firefox 上可以使用 var a; eval('a = foo', obj.fn) 把 foo 變數抓到 a 裡面，所以你如果有使用這種方法來放與安全性有關的東西，就得重新檢查一次程式碼：Module Pattern Provides No Privacy…at least not in JavaScript(TM)。在一陣討論後，這個功能打算在 Firefox 3.1 拿掉：Remove eval's optional second argument。
|
||
|
||
*/
|
||
|
||
|
||
/*
|
||
實作class:
|
||
http://www.remus.dti.ne.jp/~a-satomi/bunsyorou/ArekorePopup.html
|
||
http://www.klstudio.com/post/32.html
|
||
function classA(){
|
||
// define property
|
||
// array
|
||
this.attrs=['title','href','cite','datetime'];
|
||
// object
|
||
this.ns={
|
||
xhtml1:'http://www.w3.org/1999/xhtml',
|
||
xhtml2:'http://www.w3.org/2002/06/xhtml2',
|
||
};
|
||
return this;
|
||
}
|
||
classA.prototype={
|
||
// function
|
||
launch:function(){},
|
||
init:function(){},
|
||
// object
|
||
scanNode:{
|
||
recursive:function(node){}
|
||
},
|
||
// http://dean.edwards.name/weblog/2005/10/add-event/
|
||
addEvent:function(obj,type,listener){
|
||
if (obj.addEventListener) // Std DOM Events
|
||
obj.addEventListener(type, listener, false);
|
||
else if (obj.attachEvent) // IE
|
||
obj.attachEvent(
|
||
'on' + type,
|
||
function() { listener( {
|
||
type : window.event.type,
|
||
target : window.event.srcElement,
|
||
currentTarget : obj,
|
||
clientX : window.event.clientX,
|
||
clientY : window.event.clientY,
|
||
pageY : document.body.scrollTop + window.event.clientY,
|
||
keyCode : window.event?window.event.keyCode:e?e.which:0,
|
||
shiftKey : window.event.shiftKey,
|
||
stopPropagation : function() { window.event.cancelBubble=true; }
|
||
} ) }
|
||
);
|
||
}
|
||
};
|
||
var A=new classA();
|
||
|
||
|
||
*/
|
||
|
||
|