In this post we are going to see how to create a reusable login directive or login tag in HTML5 using angular js.
Every time when we create the web application we have some things are do repeatedly , creating login page, register page etc. so to render the Login form now we are going to create a Login Tag which can be used in any web application.
Like above we have to use the login-form tag in any web application to render a Login form like below.
Login directive in angular js
For the login-form we have to give the Post action method to redirect to post url for validation.
CSS:
:::::::::
For Check the form submit button invalid:
Output
OnLoad
Every time when we create the web application we have some things are do repeatedly , creating login page, register page etc. so to render the Login form now we are going to create a Login Tag which can be used in any web application.
<div class="" style="margin-top:10px">
<div>
<login-form action="/Validation/Login"></login-form>
</div>
</div>
Like above we have to use the login-form tag in any web application to render a Login form like below.
Login directive in angular js
var mainApp = angular.module('mainApp', []);
mainApp.directive('loginForm', function () {
return {
template: '<div class="card card-container">'+
'<img id="profile-img" class="profile-img-card"
src="../../Content/avatar.png" />'+
'<p id="profile-name" class="profile-name-card"></p>'+
'<form method="post" action="{{action}}" validate-invalid
class="form-signin" id="loginform">' +
'<span id="reauth-email" class="reauth-email"></span>'+
'<input type="email" name="UserName" ng-model="user.email"
id="inputEmail"
class="form-control" placeholder="Email address" required>' +
'<input type="password" name="Password"
ng-model="user.password"
id="inputPassword" class="form-control"
placeholder="Password" required>' +
'<div id="remember" class="checkbox">'+
'<label><input name="RememberMe" type="checkbox" ng-model="user.remember" value="remember-me"> Remember me</label>' +
'</div>'+
'<button ng-disabled="!form.enableSubmit"
class="btn btn-lg btn-primary btn-block btn-signin"
type="submit" >Sign in</button>' +
'</form>'+
'<a href="#" class="forgot-password"
style="color:rgb(104, 145, 162);">Forgot the password?</a>'+
'</div>',
scope: {
action:"@"
},
restrict: "E",
link: function (scope,element,attr,cntrl) {
}
}
});
For the login-form we have to give the Post action method to redirect to post url for validation.
CSS:
:::::::::
.card-container.card {
width: 350px;
padding: 40px 40px;
}
.btn {
font-weight: 700;
height: 36px;
-moz-user-select: none;
-webkit-user-select: none;
user-select: none;
cursor: default;
}
/*
* Card component
*/
.card {
background-color: #F7F7F7;
/* just in case there no content*/
padding: 20px 25px 30px;
margin: 0 auto 25px;
margin-top: 50px;
/* shadows and rounded borders */
-moz-border-radius: 2px;
-webkit-border-radius: 2px;
border-radius: 2px;
-moz-box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);
-webkit-box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);
box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);
}
.profile-img-card {
width: 96px;
height: 96px;
margin: 0 auto 10px;
display: block;
-moz-border-radius: 50%;
-webkit-border-radius: 50%;
border-radius: 50%;
}
/*
* Form styles
*/
.profile-name-card {
font-size: 16px;
font-weight: bold;
text-align: center;
margin: 10px 0 0;
min-height: 1em;
}
.reauth-email {
display: block;
color: #404040;
line-height: 2;
margin-bottom: 10px;
font-size: 14px;
text-align: center;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
.form-signin #inputEmail,
.form-signin #inputPassword {
direction: ltr;
height: 44px;
font-size: 16px;
}
.form-signin input[type=email],
.form-signin input[type=password],
.form-signin input[type=text],
.form-signin button {
width: 100%;
display: block;
margin-bottom: 10px;
z-index: 1;
position: relative;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
.form-signin .form-control:focus {
border-color: rgb(104, 145, 162);
outline: 0;
-webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgb(104, 145, 162);
box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgb(104, 145, 162);
}
.btn-signin {
/*background-color: #4d90fe; */
background-color: rgb(104, 145, 162);
/* background-color: linear-gradient(rgb(104, 145, 162), rgb(12, 97, 33));*/
padding: 0px;
font-weight: 700;
font-size: 14px;
height: 36px;
-moz-border-radius: 3px;
-webkit-border-radius: 3px;
border-radius: 3px;
border: none;
-o-transition: all 0.218s;
-moz-transition: all 0.218s;
-webkit-transition: all 0.218s;
transition: all 0.218s;
}
.btn-signin:hover,
.btn-signin:active,
.btn-signin:focus {
background-color: rgb(12, 97, 33);
}
.forgot-password {
color: rgb(104, 145, 162);
}
.forgot-password:hover,
.forgot-password:active,
.forgot-password:focus{
color: rgb(12, 97, 33);
}
button:disabled{
background-color:gray !important;
For Check the form submit button invalid:
mainApp.directive('validateInvalid', function () {
return {
restrict: "A",
link: function (scope, element, attrs) {
if (scope.form == undefined)
scope.form = {};
element.addClass('ng-invalid');
scope.form.enableSubmit = false;
scope.$watch(function () {
return element.attr('class');
}, function (val) {
var valid = true;
var classes = val.split(" ");
angular.forEach(classes, function (classname) {
if (classname == "ng-invalid") {
valid = false;
}
});
if (valid)
scope.form.enableSubmit = true;
else
scope.form.enableSubmit = false;
});
}
}
});
Output
OnLoad
After Validation
After Successful Login
From this Post you can learn how to create a reusable Lgin-form tag and use in many web application development and reduce time of developing the applications.
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