TeddyCoder | Web Freelancer in Hochiminh City

Disable Ctrl + {Key}

<script>

shortcut = {
all_shortcuts: {},
add: function (e, t, n) {
var r = {
type: "keydown",
propagate: !1,
disable_in_input: !1,
target: document,
keycode: !1
};
if (n) for (var i in r) "undefined" == typeof n[i] && (n[i] = r[i]);
else n = r;
r = n.target, "string" == typeof n.target && (r = document.getElementById(n.target)), e = e.toLowerCase(), i = function (r) {
r = r || window.event;
if (n.disable_in_input) {
var i;
r.target ? i = r.target : r.srcElement && (i = r.srcElement), 3 == i.nodeType && (i = i.parentNode);
if ("INPUT" == i.tagName || "TEXTAREA" == i.tagName) return
}
r.keyCode ? code = r.keyCode : r.which && (code = r.which), i = String.fromCharCode(code).toLowerCase(), 188 == code && (i = ","), 190 == code && (i = ".");
var s = e.split("+"),
o = 0,
u = {
"`": "~",
1: "!",
2: "@",
3: "#",
4: "$",
5: "%",
6: "^",
7: "&",
8: "*",
9: "(",
0: ")",
"-": "_",
"=": "+",
";": ":",
"'": '"',
",": "<",
".": ">",
"/": "?",
"\\": "|"
}, f = {
esc: 27,
escape: 27,
tab: 9,
space: 32,
"return": 13,
enter: 13,
backspace: 8,
scrolllock: 145,
scroll_lock: 145,
scroll: 145,
capslock: 20,
caps_lock: 20,
caps: 20,
numlock: 144,
num_lock: 144,
num: 144,
pause: 19,
"break": 19,
insert: 45,
home: 36,
"delete": 46,
end: 35,
pageup: 33,
page_up: 33,
pu: 33,
pagedown: 34,
page_down: 34,
pd: 34,
left: 37,
up: 38,
right: 39,
down: 40,
f1: 112,
f2: 113,
f3: 114,
f4: 115,
f5: 116,
f6: 117,
f7: 118,
f8: 119,
f9: 120,
f10: 121,
f11: 122,
f12: 123
}, l = !1,
c = !1,
h = !1,
p = !1,
d = !1,
v = !1,
m = !1,
y = !1;
r.ctrlKey && (p = !0), r.shiftKey && (c = !0), r.altKey && (v = !0), r.metaKey && (y = !0);
for (var b = 0; k = s[b], b < s.length; b++) "ctrl" == k || "control" == k ? (o++, h = !0) : "shift" == k ? (o++, l = !0) : "alt" == k ? (o++, d = !0) : "meta" == k ? (o++, m = !0) : 1 < k.length ? f[k] == code && o++ : n.keycode ? n.keycode == code && o++ : i == k ? o++ : u[i] && r.shiftKey && (i = u[i], i == k && o++);
if (o == s.length && p == h && c == l && v == d && y == m && (t(r), !n.propagate)) return r.cancelBubble = !0, r.returnValue = !1, r.stopPropagation && (r.stopPropagation(), r.preventDefault()), !1
}, this.all_shortcuts[e] = {
callback: i,
target: r,
event: n.type
}, r.addEventListener ? r.addEventListener(n.type, i, !1) : r.attachEvent ? r.attachEvent("on" + n.type, i) : r["on" + n.type] = i
},
remove: function (e) {
var e = e.toLowerCase(),
t = this.all_shortcuts[e];
delete this.all_shortcuts[e];
if (t) {
var e = t.event,
n = t.target,
t = t.callback;
n.detachEvent ? n.detachEvent("on" + e, t) : n.removeEventListener ? n.removeEventListener(e, t, !1) : n["on" + e] = !1
}
}
},
shortcut.add("Ctrl+U",function(){
alert('Sorry\nCannot view source in this page')
}),
shortcut.add("Meta+Alt+U",function(){
alert('Sorry\nCannot view source in this page')
}),
shortcut.add("Ctrl+C",function(){
//alert('Sorry\nNever duplicate this article...')
}),

shortcut.add("Ctrl+S",function(){
alert('Sorry\nCannot save this site...')
}),

shortcut.add("Meta+S",function(){
alert('Sorry\nCannot save this site...')
});

shortcut.add("Meta+C",function(){
//alert('Sorry\nNever duplicate this article...')
});
</script>

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