Small JS framework veryide. librar source code

CopyCode The Code is as follows :/*
* Copyright veryide, 2007-2008
* Http://www.veryide.com/
*
* $ ID: veryide. Library. JS, v2.3 Leilei $
*/

Function $ (OBJ) {return document. getelementbyid (OBJ );}
Function $ n (OBJ) {return document. getelementsbyname (OBJ );}
Function $ T (OBJ) {return document. getelementsbytagname (OBJ );}

Function $ V (STR) {document. Write (STR );}

// Body load
Function addloadevent (func ){
VaR oldonload = Window. onload;
If (typeof window. onload! = 'Function '){
Window. onload = func;
} Else {
Window. onload = function (){
Oldonload ();
Func ();
}
}
}

// Object event
Function addobjectevent (Ele, EVT, func ){
VaR oldonevent = ele ['on' + EVT];
If (typeof ele ['on' + EVT]! = 'Function '){
Ele ['on' + EVT] = func;
} Else {
Ele ['on' + EVT] = function (event ){
Oldonevent (event );
Func (event );
}
}
}

// Key event
Function addkeyevent (Key, func ){
If (! Veryide. tmpkey ){
Veryide. tmpkey = [];
}

Veryide. tmpkey ["K" + key] = func;
}

Addkeyevent. Listener = function (E, test ){
VaR event = E | window. event;
If (veryide. tmpkey ["K" + event. keycode]) {
Veryide. tmpkey ["K" + event. keycode] (event );
}
If (TEST ){
Alert (event. keycode );
}
}
// Onkeydown determines charcode/keycode

// Obtain the object
Function GetObject (o ){
If (typeof (o )! = "Object "){
VaR o = $ (O );
}
Return O;
}

/*
String. Prototype. Trim = function (){
Return this. Replace (/(^ \ s +) | \ s + $/g ,"");
}
*/

String. Prototype. Trim = function (){
Return this. Replace (/(^ \ s *) | (\ s * $)/g ,"");
}
String. Prototype. ltrim = function (){
Return this. Replace (/(^ \ s *)/g ,"");
}
String. Prototype. rtrim = function (){
Return this. Replace (/(\ s * $)/g ,"");
}

// Returns the number of bytes of the string.
String. Prototype. Long = function (){
VaR I;
VaR L = This. length;
VaR Len;
Len = 0;
For (I = 0; I <L; I ++ ){
If (this. charcodeat (I)> 255)
Len + = 2;
Else
Len ++;
}
Return Len;
}

// Check whether a value exists in the array
Function inarray (A, v ){
VaR L = A. length;
For (VAR I = 0; I <= L; I ++ ){
If (A [I] = V) return true;
}
Return false;
}

// All elements whose class is *
Document. getelementsbyclassname = function (){
VaR children = Document. getelementsbytagname ('*') | document. All;
VaR elements = new array ();
VaR Len = children. length;

For (VAR I = 0; I <Len; I ++ ){
VaR child = children [I];
VaR classnames = Child. classname. Split ('');
For (var j = 0; j <classnames. length; j ++ ){
For (var k = 0; k <arguments. length; k ++ ){
If (classnames [J] = arguments [k]) {
Elements. Push (child );
Break;
}
}
}
}

Return elements;
}

// All elements whose IDs start *
Document. getelementsbyprefix = function (prefix ){
VaR children = Document. getelementsbytagname ('*') | document. All;
VaR elements = new array ();
VaR Len = children. length;

For (VAR I = 0; I <Len; I ++ ){
VaR child = children [I];
VaR eid = Child. ID;
If (Eid & EID. indexof (prefix)>-1)
Elements. Push (child );
}

Return elements;
}

/* Search for the page meta */
Function getmeta (name, ATT ){
Required AGS = Document. getelementsbytagname ("meta ");
For (CNT = 0; CNT <symbol AGS. length; CNT ++ ){
If (cmdags [CNT]. getattribute ("name") = Name ){
If (! ATT ){
Return required AGS [CNT];
} Else {
Return destination AGS [CNT]. getattribute (ATT );
}
} Else {
Return NULL;
}
}
}

// Load the new script
Function loadscript (SRC, target ){
If (! Target ){
VaR root = $ T ("head") [0];
} Else {
VaR root = GetObject (target );
}

VaR script = Document. createelement ("script ");
Script. type = "text/JavaScript ";
Script. src = SRC;

VaR code = arguments [2];
If (CODE ){
Script. charset = code;
}

Root. appendchild (SCRIPT );
}

// Get the file name
Function getfilename (URL ){
VaR strurl = location. href;
If (URL ){
Strurl = URL;
}
VaR arrurl = strurl. Split ("/");
VaR strpage = arrurl [arrurl. Length-1];
Return strpage;
}

// Absolute object location
Function getposition (OBJ ){
VaR OBJ = GetObject (OBJ );

This. width = obj. offsetwidth;
This. Height = obj. offsetheight;
This. Top = obj. offsettop;
This. Left = obj. offsetleft;
While (OBJ = obj. offsetparent ){
This. Top + = obj. offsettop;
This. Left + = obj. offsetleft;
}
}

Function getselect (OBJ ){
VaR OBJ = GetObject (OBJ );

This. value = "";
This. Text = "";
This. Index = "";

If (obj. length> 0 ){
This. value = OBJ [obj. selectedindex]. value;
This. Text = OBJ [obj. selectedindex]. text;
This. Index = obj. selectedindex;
}
This. getatt = function (ATT ){
Return OBJ [obj. selectedindex]. getattribute (ATT );
}
}

//
Function getradio (OBJ ){
VaR OBJ = $ n (OBJ );
VaR Len = obj. length;

This. value = "";
For (VAR I = 0; I <Len; I ++ ){
If (OBJ [I]. Checked = true ){
This. value = OBJ [I]. value;
Break;
}
}
}

// Hide object display
Function showhide (OBJ ){
VaR OBJ = GetObject (OBJ );
If (OBJ ){
If (obj. offsetheight = 0 | obj. style. display = "NONE") {obj. style. display = "Block";} else {obj. style. display = "NONE ";}
}
}

Function setcheckbox (OBJ, v ){
VaR OBJ = $ n (OBJ );

If (OBJ [0]) {
VaR Len = obj. length;
For (VAR I = 0; I <Len; I ++ ){
If (OBJ [I]. value = V ){
OBJ [I]. Checked = true;
} Else {
OBJ [I]. Checked = false;
}
}
} Else {
OBJ = $ (OBJ );
If (obj. value = V ){
OBJ. Checked = true;
} Else {
OBJ [I]. Checked = false;
}
}
}

// Select a list item
Function setselect (OBJ, v ){
VaR OBJ = $ (OBJ );
VaR Len = obj. length;
For (VAR I = 0; I <Len; I ++ ){
If (OBJ [I]. value = V ){
OBJ. selectedindex = I;
Break;
}
}
}

// Select a single option
Function setradio (O, v ){
VaR OBJ = $ n (O );
VaR Len = obj. length;
For (VAR I = 0; I <Len; I ++ ){
If (OBJ [I]. value = V ){
OBJ [I]. Checked = true;
Break;
}
}
}

// Disable the object
Function setdisabled (OBJ, B ){
VaR OBJ = GetObject (OBJ );
If (OBJ) {obj. Disabled = B ;}
}

Function setclass (OBJ, class, type ){
VaR OBJ = GetObject (OBJ );
If (OBJ ){
Switch (type ){
Case "+ ":
OBJ. classname + = "" + class;
Break;

Case "-":
OBJ. classname = obj. classname. Replace (class ,"");
Break;

Case "":
OBJ. classname = Class;
Break;

}
}
}

// Create a continuous downlink list item
Function newnumoption (OBJ, S, E, T ){
VaR OBJ = GetObject (OBJ );
If (t = "new") {obj. Length = 0 ;}
For (VAR I = s; I <(E + 1); I ++ ){
OBJ. Options [obj. Length] = New Option (I, I );
}
}

// Delete an object
Function delelement (OBJ ){
VaR OBJ = GetObject (OBJ );
VaR P = obj. parentnode;
P. removechild (OBJ );
}

// Confirm the operation
Function getconfirm (Info ){
If (! Confirm (Info) {return false}
}

// Open a link in a new window
// Rel = "_ blank"
Function _ blank (){
VaR anchors = Document. getelementsbytagname ("");
VaR Len = anchors. length;
For (VAR I = 0; I <Len; I ++ ){
VaR anchor = anchors [I];
If (anchor. getattribute ("href") & anchor. getattribute ("rel") = "_ blank "){
Anchor.tar get = "_ blank ";
}
}
}

// Obtain URL parameters
Function getquery (n, URL ){
If (! URL ){
VaR url = location. href;
}

VaR v = '';
VaR o = URL. indexof (n + "= ");
If (o! =-1 ){
O + = n. Length + 1;
E = URL. indexof ("&", O );
If (E =-1 ){
E = URL. length;
}
V = Unescape (URL. substring (o, e ));
}

// Seo
If (! V ){
VaR o = URL. indexof (n + "-");
If (o! =-1 ){
O + = n. Length + 1;
E = URL. indexof ("-", O );
If (E =-1 ){
E = URL. length;
}
V = Unescape (URL. substring (o, e ));
}
}

Return V;
}

// Convert the fullwidth to halfwidth
Function switchchar (STR ){
VaR str1 = "1234567890 abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz ";
VaR str2 = "1234567890 abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz ";

VaR Len = Str. length;
For (VAR I = 0; I <Len; I ++ ){
VaR n = str2.indexof (Str. charat (I ));
If (n! =-1) STR = Str. Replace (Str. charat (I), str1.charat (n ));
}
Return STR;
}

/*
Obtain random characters
***********
LEN Length
Upper case letter for vupper
Whether vlower is a lowercase letter
Number of vnum
*/
Function getrnd (Len, vupper, vlower, vnum ){
VaR seed_array = new array ();
VaR seedary;

Seed_array [0] = ""
Seed_array [1] = "a B c d e f g h I j k l m n o p q r s t u v w x y z ";
Seed_array [2] = "a B c d e f g h I j k l m n o p q r s t u v w x y z ";
Seed_array [3] = "0 1 2 3 4 5 6 7 8 9 ";

If (! Vupper &&! Vlower &&! Vnum) {vupper = true; vlower = true; vnum = true ;}

If (vupper) {seed_array [0] + = seed_array [1];}
If (vlower) {seed_array [0] + = "" + seed_array [2];}
If (vnum) {seed_array [0] + = "" + seed_array [3];}

Seed_array [0] = seed_array [0]. Split ("");
Seedary = "";

For (VAR I = 0; I <Len; I ++ ){
Seedary + = seed_array [0] [math. Round (math. Random () * (seed_array [0]. Length-1)]
}
Return (seedary );
}

/*
Obtain cookies
Name Cookie name
Sub-Cookie name
*/
Function getcookie (name, sub ){
VaR STR = "";
VaR arr = document. cookie. replace (/% 25/g, "% "). replace (/% 5f/g ,"_"). match (New Regexp ("(^ |)" + name + "= ([^;] *) (; | $ )"));
If (Arr! = NULL ){
Try {
STR = decodeuricomponent (ARR [2]);
} Catch (e ){
STR = arr [2];
}
}

If (sub ){
If (STR ){
VaR nsubvaluebegin = Str. indexof (sub + "= ");
} Else {
VaR nsubvaluebegin =-1
}

If (nsubvaluebegin! =-1 ){
VaR nsubvalueend = Str. indexof ("&", nsubvaluebegin );
If (nsubvalueend =-1)
Nsubvalueend = Str. length;
VaR ssubvalue = Str. substring (nsubvaluebegin + sub. Length + 1, nsubvalueend); // obtain the specified subkey Value
STR = ssubvalue;
} Else {
STR = "";
}
}
Return STR;
}

Function setcookie (Key, value, iexpiredays, domain ){
VaR cookies = key. Replace ("_", "% 5f") + "=" + encodeuricomponent (value) + ";";

If (iexpiredays ){
VaR dexpire = new date ();
Dexpire. settime (dexpire. gettime () + parseint (iexpiredays * 24*60*60*1000 ));
Cookies + = "expires =" + dexpire. togmtstring () + ";";
}

If (domain ){
Cookies + = "Domain =" + domain + ";";
}
Cookies + = "Path = /;";
Document. Cookie = cookies;
}

/* State */
Veryide. Script ["library"] = true;