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simple script do scroll to top at header (*.kaskus.co.id)
// ==UserScript==
// @name Kaskus-Head-Scroller
// @namespace http://userscripts.org/scripts/show/Kaskus-Head-Scroller
// @include *.kaskus.co.id/*
// @version 0.1
// @dtversion 1404260001
// @timestamp 1398534731798
// @description simple script do scroll to top at header (*.kaskus.co.id)
// @author tuxie.forte;
// @license (CC) by-nc-sa 3.0
//
// -!--latestupdate
//
// v0.1 - 2014-04-26
// init
//
// -/!latestupdate---
//
//
//
// ==/UserScript==
//
(function(){
// Initialize Global Variables
var gvar=function() {};
/*
window.alert(new Date().getTime());
*/
//========-=-=-=-=--=========
gvar.__DEBUG__ = !1; // development
//========-=-=-=-=--=========
// =====
// START
function start_Main(){
var $el = $D(gvar.target_selector);
if( !$el ){
clog('missing target node');
return;
}
if( !gvar.is_mobile )
$el = $el[0];
else{
GM_addGlobalStyle(rSRC.getMobCSS_patch(), 'patch_head', 1);
if( $D('#mqr-content-wrapper') ){ // mqr already has something todo w/ design and event
}
else{
GM_addGlobalStyle(rSRC.getMobCSS(), 'fixed_head', 1);
Dom.Ev(window, 'scroll', function(){
var nVScroll = document.documentElement.scrollTop || document.body.scrollTop,
el_ = $D('#site-header');
if( nVScroll > 0 ){
!hasClass('fx', el_) && addClass('fx', el_);
}
else{
removeClass('fx', el_);
}
});
}
}
if( $el )
_o('click', $el, function(e){
var el = e.target||e;
if(el && el.nodeName == 'A')
return !1;
nat_scrollTo(document.body, 0, 234);
});
}
// -
// -
// -
// -
//=========
// code below should adapting current QR Engine for this plugins works
// leave code below as wot it is, as long you know what todo
//========= Common Functions && Global Var Init ====
// static routine
function isDefined(x) { return !(x == null && x !== null); }
function isUndefined(x) { return x == null && x !== null; }
function isString(x) { return (typeof(x)!='object' && typeof(x)!='function'); }
function trimStr(x) { return (typeof(x)=='string' && x ? x.replace(/^\s+|\s+$/g,"") : '') };
function _o(m,e,f){Dom.Ev(e,m,function(e){typeof(f)=='function'?f(e):void(0)});}
function hasClass(cName, Obj){
if(cName=="" || !cName) return;
var re, cCls = (Obj.className ? Obj.className : '');
if( !cCls )
return !1;
else{
re = new RegExp('\\b'+cName+'\\b', "i");
return re.test( cCls );
}
}
function addClass(cName, Obj){
if(cName=="") return;
var neocls = (Obj.className ? Obj.className : '');
if(neocls.indexOf(cName)!=-1) return;
neocls+=(neocls!=''?' ':'')+cName;
Obj.setAttribute('class', neocls);
}
function removeClass(cName, Obj){
if(!cName || !Obj) return;
var neocls, rmvclss = getAttr('class', Obj);
neocls = getAttr('class', Obj);
rmvclss = cName.split(' ');
for(var i=0; i<rmvclss.length; ++i)
neocls = neocls.replace(rmvclss[i], '');
neocls = trimStr(neocls);
setAttr('class', neocls, Obj);
}
function createTextEl(a) {
return document.createTextNode(a)
}
function createEl(type, attrArray, html){
var node = document.createElement(type);
for (var attr in attrArray)
if (attrArray.hasOwnProperty(attr))
node.setAttribute(attr, attrArray[attr]);
if(html) node.innerHTML = html;
return node;
}
function getAttr(name, Obj){
if("string" === typeof name && "object" === typeof Obj && Obj)
return Obj.getAttribute(name)||'';
else
return;
}
function setAttr(name, value, Obj){
if("string" === typeof name && "object" === typeof Obj)
return Obj.setAttribute(name, value);
}
var GM_addGlobalStyle = function (a, b, c) {
var d, e;
if (a.match(/^https?:\/\/.+/)) {
d = createEl("link", { type: "text/css", rel:'stylesheet', href:a });
}else{
d = createEl("style", { type: "text/css" });
d.appendChild(createTextEl(a));
}
if (isDefined(b) && isString(b)) d.setAttribute("id", b);
if (isDefined(c) && c) {
document.body.insertBefore(d, document.body.firstChild)
} else {
e = document.getElementsByTagName("head");
if (isDefined(e[0]) && e[0].nodeName == "HEAD") gvar.$w.setTimeout(function () {
e[0].appendChild(d)
}, 100);
else document.body.insertBefore(d, document.body.firstChild)
}
return d
};
// Get Elements
var $D = function (q, root, single) {
if (root && typeof root == 'string') {
root = $D(root, null, true);
if (!root) { return null; }
}
if( !q ) return false;
if ( typeof q == 'object') return q;
root = root || document;
if (q[0]=='/' || (q[0]=='.' && q[1]=='/')) {
if (single) { return document.evaluate(q, root, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue; }
return document.evaluate(q, root, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
}
else if (q[0]=='.') { return root.getElementsByClassName(q.substr(1)); }
else { return root.getElementById( (q[0]=='#' ? q.substr(1):q.substr(0)) ); }
return root.getElementsByTagName(q);
};
// utk add - remove element
var Dom = {
g: function(el) {
if(!el) return false;
return ( isString(el) ? document.getElementById(el) : el );
},
add: function(el, dest) {
var el = this.g(el);
var dest = this.g(dest);
if(el && dest) dest.appendChild(el);
},
remove: function(el) {
var el = this.g(el);
if(el && el.parentNode)
el.parentNode.removeChild(el);
},
Ev: function() {
if (window.addEventListener) {
return function(el, type, fn, ph) {
if(typeof(el)=='object')
this.g(el).addEventListener(type, function(e){fn(e);}, (isUndefined(ph) ? false : ph));
};
}else if (window.attachEvent) {
return function(el, type, fn) {
var f = function() { fn.call(this.g(el), window.event); };
this.g(el).attachEvent('on' + type, f);
};
}
}()
};
// native scrollTo
function nat_scrollTo(element, to, duration) {
var start = element.scrollTop,
change = to - start,
currentTime = 0,
increment = 20;
var animateScroll = function(){
currentTime += increment;
var val = Math.easeInOutQuad(currentTime, start, change, duration);
element.scrollTop = val;
if(currentTime < duration) {
setTimeout(animateScroll, increment);
}
};
animateScroll();
}
//t = current time
//b = start value
//c = change in value
//d = duration
Math.easeInOutQuad = function (t, b, c, d) {
t /= d/2;
if (t < 1) return c/2*t*t + b;
t--;
return -c/2 * (t*(t-2) - 1) + b;
};
var rSRC = {
getMobCSS: function(){
return ''
+'#site-header.fx{ position:relative}'
+'#site-header.fx #site-nav{ width:620px;position:fixed;top:0;z-index:99999}'
+'#site-header.fx .main-h.r{margin-top:30px}'
;
},
getMobCSS_patch: function(){
return ''
+'#site-nav h1{ text-align:left}'
+'#site-nav h1 > a{ display:inline-block; height:25px;}'
;
}
};
// ----my ge-debug--------
function show_alert(msg, force) {
if(arguments.callee.counter) { arguments.callee.counter++; } else { arguments.callee.counter=1; }
GM_log('('+arguments.callee.counter+') '+msg);
if(force==0) { return; }
}
function clog(msg) {
if(!gvar.__DEBUG__) return;
show_alert(msg);
}
// -end static
//=========
function init(){
gvar.is_mobile = /^https?:\/\/m\.kaskus\./i.test(location.href);
gvar.head_id_desktop = 'site-header';
gvar.head_class_mobile = 'meta-header';
gvar.target_selector = (gvar.is_mobile ? '#'+gvar.head_id_desktop : '.meta-header');
start_Main();
}
// ------
init();
})()
/* tF. */