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DBHomework/web/booksys/util.js

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2017-12-08 22:37:18 +08:00
/// BookSystem JavaScript Utility Library.
/// HC TECH 2017 Kiritow.
/// Under MIT License
/// Check Login
function mustLogin() {
$.post("/cgi-bin/booksys/doCheckLogin",{},function(data){
console.log("CheckLogin Ajax Success");
if(data.success!=1)
{
console.log("Not Logged in.");
location.href="login.html";
}
else
{
console.log("Logged in.");
}
},"json").fail(function(err){
console.log("Failed to check login. err:",err);
});
}
/// Check Permission
/// If level does not matches required_level, callback will be called.
function checkPermission(required_level,callback_failure,callback_success) {
$.post("/cgi-bin/booksys/doCheckPermission",{required:required_level},function(data){
console.log("CheckPermission: Ajax Success");
if(data.success!=1) {
console.log("CheckPermission: Permission Denied.")
if(callback_failure!=null) callback_failure();
} else {
console.log("CheckPermission: Permission OK.");
if(callback_success!=null) callback_success();
}
},"json").fail(function(err){
console.log("CheckPermission Ajax Failed.");
});
}
/// jQueryUI Wrapper
function createHighlight(obj){
obj.removeClass('ui-state-highlight ui-state-error ui-corner-all');
obj.addClass('ui-state-highlight ui-corner-all');
obj.html('<p><span class="ui-icon ui-icon-alert" style="float: left; margin-right:.3em;"></span>'+obj.html()+'</p>');
}
function createError(obj){
obj.removeClass('ui-state-highlight ui-state-error ui-corner-all');
obj.addClass('ui-state-error ui-corner-all');
obj.html('<p><span class="ui-icon ui-icon-alert" style="float: left; margin-right:.3em;"></span>'+obj.html()+'</p>');
}
/// URI Resolver
function GetRequest() {
var url = decodeURI(location.search);
var theRequest = new Object();
if (url.indexOf("?") != -1) {
var str = url.substr(1);
strs = str.split("&");
for(var i = 0; i < strs.length; i ++) {
theRequest[strs[i].split("=")[0]]=unescape(strs[i].split("=")[1]);
}
}
return theRequest;
}
/// Route back in browser
function GoBack() {
window.history.back();
window.location.reload();
/// Chrome?
return false;
}
function GoBackWith(n) {
window.history.go(-(n));
window.location.reload();
/// Chrome?
return false;
}