We Keep Coding

Angular - show error message on submit when form is invalid

I have this form where an error message shows under every field if I leave it empty or invalid.
<form #projectForm="ngForm" (ngSubmit)="onSubmit()">
<div class="form-group col-md-6" [class.has-error]="codeControl.invalid && codeControl.touched">
<label class="control-label">code</label>
<input type="text" class="form-control" required [(ngModel)]="projet.code" id="code" name="code" #codeControl="ngModel">
<span class="help-block" *ngIf="codeControl.invalid && codeControl.touched">code is required </span>
</div>
<div class="form-group col-md-6" [class.has-error]="libelleControl.invalid && libelleControl.touched">
<label class="control-label">libelle</label>
<input type="text" class="form-control" required [(ngModel)]="projet.libelle" id="libelle" name="libelle" #libelleControl="ngModel">
<span class="help-block" *ngIf="libelleControl.invalid && libelleControl.touched"> libelle is required </span>
</div>
<button type="submit" class="btn btn-primary" >submit </button>
</form>
But when it comes to the submit button , I don't want the submit button to be disabled until the form is valid, instead I want the submit button border to become red and a red error message shows under the submit button when clicked and the form is invalid. How can I achieve that ?

try this:
on your component
success: any;
constructor ()
{
this.success = true;
}
onSubmit(){
if(this.yourform.invalid){
this.success= false;
return;
}
}
on your html
<div *ngIf="success;then content else other_content"></div>
<ng-template #content>
<button type="submit" class="btn btn-primary" >submit </button>
</ng-template>
<ng-template #other_content>
<button type="submit" class="btn btn-primary" style="border: 2px solid red">submit
</button>
<!-- your error message goes here -->
</ng-template>
i copied the *ngIf here at How to use *ngIf else?

I would go with simple getter to manage state of the 'submit btn'
get isFormValid():boolean {
this.ngForm && this.ngForm.valid;
}
then
<button type="submit" class="btn btn-primary" [class.cssClassToManageBtnState]="isFormValid" >submit </button>

We have to override the default behaviour of submit button. So, remove the button type as submit and add click event to it
<button type="button" (click)="onSubmit()" class="btn btn-primary" >submit </button>
Remove the submit event in form tag
<form #projectForm="ngForm">
Add the conditional class to the button
<button type="submit" (click)="onSubmit()" class="btn btn-primary" [ngClass]="projectForm.valid ? '' : 'invalid-form-btn'" >submit </button>
<span *ngIf="!projectForm.valid">The form is not valid </span>
.invalid-form-btn {
border: 1px solid red;
}

CSS: Depress Dropdown grouped with Radio Buttons

I'm using bootstrap to style a group of radio buttons that also include a dropdown.
When the user selects an option from the dropdown OTHER is not included as one of the radio buttons, so it looks like the last depressed radio button has been chosen when really C | D | E has been.
Is it possible to include the OTHER dropdown as one of the radio buttons so it looks depressed when the user selected C,D,E?
Codepen here if helpful: https://codepen.io/mayagans/pen/qBdaZEJ
$( document ).ready(function() {
$("input[name='test']").change(function(){
$("#results").text($("input[name='test']:checked").val());
});
});
$(".dropdownitems").click(function () {
var value = $(this).attr("href");
document.getElementById("results").innerHTML = value
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<div class="btn-group" data-toggle="buttons">
<label id='RADIO' class="btn btn-primary">
<input type="radio" name="test" id="testNONE" autocomplete="off" value="NONE">NONE
</label>
<label class="btn btn-primary">
<input type="radio" name="test" id="testA" autocomplete="off" value="A">A
</label>
<label class="btn btn-primary">
<input type="radio" name="test" id="testB" autocomplete="off" value="B">B
</label>
<div class="btn-group">
<label class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
<input type="radio" class="" name="test" id="OTHER" autocomplete="off">OTHER<span class="caret"></span>
</label>
<ul class="dropdown-menu">
<li>C</li>
<li>D</li>
<li>E</li>
</ul>
</div>
</div>
<div id="results"></div>

I don't think that radio buttons are the good solution for this. You could just use "simple" buttons. Anyway, with bootstrap, you could add "active" to the button ( or radio button) class so that it will be shown as if it was pressed.
With single button
Pressed
<button type="button" class="btn btn-primary active">Click Me!</button>
Normal
<button type="button" class="btn btn-primary">Click Me!</button>
With your radio button it's the same
Pressed
<label class='btn btn-primary active'>
<input type='radio' name='test' id='testA' autocomplete='off' value='A'>A
</label>
Normal
<label class='btn btn-primary'>
<input type='radio' name='test' id='testA' autocomplete='off' value='A'>A
</label>
Example
<script>
$(document).ready(function () {
let pressedId
let buttonsId = ["a", "b"] // List of the buttons which are always visible
let dropDownsButtonId = ["c", "d", "e"] //List of the buttons of the dropdown
$("button").click(function () {
if (buttonsId.includes(this.id)) { //First "if" for "always visible" button
changeClass(this.id)
} else if (dropDownsButtonId.includes(this.id)) {//Second if for the button of the dropdown
changeClass("dropDownMenuButton")
}
})
function changeClass(id) {
if (pressedId !== undefined)
document.getElementById(pressedId).className = document.getElementById(pressedId).className.replace(" active", "")
document.getElementById(id).className += " active"
pressedId = id
}
})
</script>
<button type="button" class="btn btn-primary" id="a">a</button>
<button type="button" class="btn btn-primary" id="b">b</button>
<div class="dropdown">
<div class='btn-group'>
<button class="btn btn-primary dropdown-toggle" type="button" id="dropDownMenuButton"
data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown button
</button>
<ul class='dropdown-menu'>
<li>
<button type="button" class="btn btn-primary" id="c">c</button>
</li>
<li>
<button type="button" class="btn btn-primary" id="d">d</button>
</li>
<li>
<button type="button" class="btn btn-primary" id="e">e</button>
</li>
</ul>
</div>
</div>

Value is not returning after click a toggle button in bootstrap 4

I am using this Toggle Button. the UI is working fine. However, I have a problem with the jQuery whereby after clicking a Submit button, the only the first value is returning by clicking ON toggle.
<label class="switch">
<input id="toggle-event" type="checkbox" data-toggle="toggle">
<div class="slider round">
<span class="on" id="test_status" value="Active">ON</span>
<span class="off" id="test_status" value="Inactive">OFF</span>
</div>
</label>
<button type="button" id="btn_edit_device" class="btn btn-block btn-info">SUBMIT</button>
$("#btn_edit_device").on("click",function(){
if ($('input[type="checkbox"]').prop('checked',true)){
status = $("#test_status").val("Active");
console.log("Active")
}
else {
status = $("#test_status").val("Inactive");
console.log("Inactive")
}
});

The problem is here if ($('input[type="checkbox"]').prop('checked',true)){
You should change to be able to get value correctly like below.
if ($('input[type="checkbox"]').prop('checked')){
$("#btn_edit_device").on("click",function(){
if ($('input[type="checkbox"]').prop('checked')){
status = $("#test_status").val("Active");
console.log("Active")
}
else {
status = $("#test_status").val("Inactive");
console.log("Inactive")
}
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<label class="switch">
<input id="toggle-event" type="checkbox" data-toggle="toggle">
<div class="slider round">
<span class="on" id="test_status" value="Active">ON</span>
<span class="off" id="test_status" value="Inactive">OFF</span>
</div>
</label>
<button type="button" id="btn_edit_device" class="btn btn-block btn-info">SUBMIT</button>

Toggle one button at at time Bootstrap

I've been playing with this for the last hour and can't seem to figure out how to have one button toggle at a time. Also trying to have the button change to different color So if I click button1 it toggles. If I then click button2, then button1 untoggles and button2 toggles.
Here's what I have so far
<div class="Demo-boot" style="padding:30px;">
<button type="button" class="btn btn-primary" data-toggle="button">Button1</button>
<button type="button" class="btn btn-primary" data-toggle="button">Button2</button>
</div>
Here it is in action:
http://www.bootply.com/MaxkTJs3HH

You need to set it up in a button group like this::
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-primary active">
<input type="radio" name="options" id="option1" autocomplete="off" checked> Button 1
</label>
<label class="btn btn-primary">
<input type="radio" name="options" id="option2" autocomplete="off"> Button 2
</label>
</div>

first add some ids to the buttons
<div class="Demo-boot" style="padding:30px;">
<button id="button_one" type="button" class="btn btn-primary" data-toggle="button">Button1</button>
<button id="button_two" type="button" class="btn btn-primary" data-toggle="button">Button2</button>
</div>
Next add some jquery
$('#button_one').click(function (e) {
$('#button_two').removeClass('active')
});
$('#button_two').click(function (e) {
$('#button_one').removeClass('active')
});
the running product : http://www.bootply.com/tT4yYWxjyk

Checked state for buttons Bootstrap

I want to have a checked state for group chexboxes in Bootstrap 3.0.2. docs
html:
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-default">
<input type="checkbox" name="123" data-toggle="button"> <span class="glyphicon glyphicon-star"></span> 123
</label>
<label class="btn btn-default">
<input type="checkbox" name="456"> <span class="glyphicon glyphicon-star-empty"></span> 456
</label>
</div>
But data-toggle="button" doesnt works. jsfiddle
How to fix it? Thanks.

To actually check the input, you will need to add the checked property. This will not actually make it appear checked, but is important if you are using this in a form and actually want the input to be checked by default.
<input type="checkbox" name="123" data-toggle="button" checked>
To make it look checked (or pressed), add class .active to the .btn label wrapping it.
<label class="btn btn-default active">
http://jsfiddle.net/ZktYG/2/
Not sure why data-toggle="buttons" isn't working. Could be related to this: https://github.com/twbs/bootstrap/issues/8816
For now, you can achieve the same effect through JS by doing something like:
$('.btn-group').on('input', 'change', function(){
var checkbox = $(this);
var label = checkbox.parent('label');
if (checkbox.is(':checked')) {
label.addClass('active');
}
else {
label.removeClass('active');
}
});

It's been a couple of years; however, I wanted to address the actual problem above of why the data-toggle="button" wasn't working.
The answer was to remove the data-toggle="button" on the <input>'s.
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-default">
<input type="checkbox" name="123"> 123
</label>
<label class="btn btn-default">
<input type="checkbox" name="456"> 456
</label>
</div>

I solved this by making a custom attribute that housed whether it was active or not, then setting that value within JQuery's click event.
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-primary active check_button" id="check1">
<input type="checkbox" autocomplete="off" checked data-checked=true> Checkbox 1 (pre-checked)
</label>
<label class="btn btn-primary check_button" id="check2">
<input type="checkbox" autocomplete="off" data-checked=false> Checkbox 2
</label>
<label class="btn btn-primary check_button" id="check3">
<input type="checkbox" autocomplete="off" data-checked=false> Checkbox 3
</label>
</div>
You can see a working example of this within the fiddle,
https://jsfiddle.net/jeffbeagley/DTcHh/34024/