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commom.js
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commom.js
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/*
author: Vinicius Gomes
email:vinigomescunha at gmail.com
*/
String.prototype.capitalize = function () {
return this.replace(/^./, function (match) {
return match.toUpperCase();
});
};
buildElement = function(o){
var ob = document.createElement(o.e);
for(var a in o.attr) {
if(typeof o.attr[a] == "object"){/*second level example: ob.style.width */
for(var b in o.attr[a]) ob[a][b] = o.attr[a][b];
} else {
ob[a] = o.attr[a];
}
}
return ob;
};
var Commom = {
limit:10,
page:0,
allowedtypes :["text","checkbox","select-one","hidden"],
fields :["name","email","address"], /*fields of node*/
toggleClass: function(n) {
e = document.getElementsByClassName(n)[0];
e.style.visibility = (e.style.visibility == "visible") ? "hidden" : "visible";
},
advert: function (d,t) {/*success alert*/
d = JSON.parse(d);
a = document.getElementsByClassName("alert")[0];
if(d.result == true ) a.innerText = t;
},
processList: function(r) {/* process fields list and send rows */
if(r == false) return r;
var div = document.createElement('div'),
h = document.createElement("div"),
c = (document.getElementById("content").offsetWidth-120),
pc = c / Commom.fields.length;
h.className = "row";
for(var i in Commom.fields){
var d = buildElement({e:"div","attr":{className:"header cell","style":{"width":pc + "px"},innerHTML: Commom.fields[i].capitalize()}});
h.appendChild(d);
}
div.appendChild(h);
for(var i in r) {
if(!r[i].id) continue;
var rw = document.createElement('div');
rw.className="row";
for(var j in r[i]) {
if(["id"].indexOf(j) !== -1) continue;//dont display field ID
var inner = typeof r[i][j] == "string" ? r[i][j] : " ";
var d = buildElement({e:"div", "attr":{className:j + " cell", innerHTML:inner, "style":{"width":pc + "px"}}});
rw.appendChild(d);
}
var b = buildElement({e:"div", "attr":{className:"control cell"}}),
ae = buildElement({e:"a", "attr":{href:"javascript:Commom.toggleUpdateForm('" + r[i].id + "')", innerText:"Editar"}}),
ad = buildElement({e:"a", "attr":{href:"javascript:Commom.delete('" + r[i].id + "')", innerText:"Deletar"}});
b.appendChild(ae);
b.appendChild(ad);
rw.appendChild(b);
div.appendChild(rw);
}
return div;
},
paginate: function(num) {
var p = document.createElement('ul'),
l = Commom.limit,
t;
p.className = "pagination";
var t = Math.floor(num/(l));
for(var i=0;i<=t;i++) {
var li = document.createElement('li');
var a = buildElement({e:"a", "attr":{innerText: i+1, "href":"javascript:Commom.list(" + i + ")"}});
li.appendChild(a);
p.appendChild(li);
}
return p;
},
listData: function (d) {/* send fields to process, and after process the rows attach in the html */
d = JSON.parse(d);
var r = d.result,
content = document.getElementById("content"),
rw = Commom.processList(r),
page = Commom.paginate(d.result.rows);
content.innerHTML = "";
if(rw) content.appendChild(rw);
content.appendChild(page);
},
getFormElements: function(t) {/*get form elements in create and update*/
var el = t.elements,
f = [];
for(var e in el) { /*while dont support select-multiple*/
if(Commom.allowedtypes.indexOf(el[e].type) == -1 ) continue;
var n = el[e].getAttribute('name'),
v = t.elements.namedItem(n).value;
f.push("fields[" + n + "]=" + encodeURIComponent(v));
}
return f.join("&");
},
create: function(e) {
e.preventDefault(); /* extract elements of form*/
if(this.elements['id']) this.elements['id'].remove();
var f = Commom.getFormElements(this);
Commom.post(f, "ajax/create.php", function(d){ Commom.advert(d,"Adicionado com sucesso!"); });
this.reset();
Commom.toggleClass("createform");
setTimeout(function(){ Commom.list(Commom.page); }, 2000);
},
update: function(e) {
e.preventDefault();
var id = this.elements['id'].value,
f = Commom.getFormElements(this);
Commom.post(f, "ajax/update.php?id=" + id, function(d){ Commom.advert(d,"Atualizado com sucesso!"); });
this.reset();
Commom.toggleClass("updateform");
Commom.list(Commom.page);
},
delete: function(e) {
Commom.post("", "ajax/delete.php?id=" + e, function(d){ Commom.advert(d,"Deletado com sucesso!"); });
setTimeout(function(){ Commom.list(Commom.page); }, 2000);
},
toggleUpdateForm: function(e) {
Commom.post("", "ajax/find.php?n=id&s=" + e , function(a){
a = JSON.parse(a);
a = a.result[0];
if(typeof a == 'undefined') {
document.getElementsByClassName("alert")[0].innerText = "404 - Not Found!";
return false;
}
var u = document.getElementById('fUpdate');
u.reset();
u = u.elements;
for(var i in u)
if(u[i].name && a[u[i].name]) u[i].value = typeof a[u[i].name] == 'string' ? a[u[i].name] : " " ;
Commom.toggleClass("updateform");
});
},
list: function (p) {
Commom.page = p;
Commom.post("", "ajax/list.php?limit=" + Commom.limit + "&page=" + parseInt(p), Commom.listData);
},
post: function(params, url, callback) {
var http = new XMLHttpRequest();
http.open("POST", url, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.onreadystatechange = function() {
if(http.readyState == 4 && http.status == 200) {
callback(http.responseText);
}
}
http.send(params);
},
buildForm: function(id) {
var cf = Commom.fields;
for(var i in cf){/*for while only support text input form*/
var d = buildElement({e:"input", "attr":{"type":"text", placeholder:cf[i] + " ... ", "name":cf[i]}});
document.getElementById(id).appendChild(d);
}
var b = buildElement({e:"button","attr":{className:"sendButton", "innerText":"Enviar"}});
document.getElementById(id).appendChild(b);
document.getElementById(id).appendChild(buildElement({e:"input","attr":{type:"hidden", "name":"id"}}));
}
};
Commom.buildForm("fCreate");
Commom.buildForm("fUpdate");
var tc = document.querySelectorAll('.toggleCreate'),
tu = document.querySelectorAll('.toggleUpdate');
for(var i=0;i<tc.length;i++) tc[i].addEventListener('click', function(){Commom.toggleClass("createform")}, false);
for(var i=0;i<tu.length;i++) tu[i].addEventListener('click', function(){Commom.toggleClass("updateform")}, false);
document.getElementById('fCreate').addEventListener('submit', Commom.create, false);
document.getElementById('fUpdate').addEventListener('submit', Commom.update, false);
Commom.list(0);