I need to have a Rich Text Area box to bind to knockout observable variable, I tried using Ckseditor control but the binding did not work even if I put a custom KO binding for CKSeditor. So I switched back to regular html textarea, then i can see the binding of the text, however it will show the text with html tags like this -
<p>This is the scope</p>
I would like to convert the textarea to a rich textarea control like cks or any other, anyone has any idea how to do it?
<script src="https://cdn.ckeditor.com/4.5.7/standard/ckeditor.js"></script>
<div class="form-group">
<label for="Scope">Scope</label>
<textarea rows="10" name="Scope" class="form-control input-sm" id="Scope" data-bind="value: Scope"></textarea>
</div>
Following is the Knockout observable variable code:
self.Scope = ko.observable("<p>This is the scope</p>");
In markup file, I didn't use the data-bind attribute to ckeditor textarea
CKEDITOR.replace('Scope1');
function GetFormatedTextFromDB(){
this.Scope1 = ko.observable($('#Scope1').val("<b>Murugesa Pandian test</b>"));
};
ko.applyBindings(new GetFormatedTextFromDB());
//pass your retrieved variable to val function
Output from script
Related
Accessibility guidelines were invented before components were released, so they always say that a label is used to identify a form control like <input> or <textarea>, etc. What happens when I have a complex Angular / React / ... component that acts like a form control?
Imagine a <custom-select> that renders an input and adds items to a list. The resulting html looks like:
<custom-select ....>
<input ...>
</custom-select>
When I type something in the input and I press enter, it adds that entry to the list and renders the input again, something like:
<custom-select ....>
<span>What I typed</span>
<input ...>
</custom-select>
Of course, if I type something else in the input and I press enter, it gets added to the list:
<custom-select ....>
<span>What I typed</span>
<span>Something else</span>
<input ...>
</custom-select>
If we want to use this custom component in a form, we would like to put a label to it like any other form item, p.e:
<label for="foo">Foo</label>
<input id="foo" type="text">
<label for="select">Select a country</label>
<custom-select id="select"></custom-select>
Is this even valid a11y? Wave tool will complain of an orphan label while axe says nothing. So, can we use a plain old label to tag a custom component for accessibility purposes? We need a label to be put there for consistency but needs to be accessible.
In case I can do this, that custom-select is also rendering an input. That input needs its own label or aria-label, right?
Yes the input will need to be labeled.
Is there any reason for the component to not manage this? Accept the labeling text and then render the correct accessible HTML for the label and input pair?
So in React:
<CustomSelect labelText="Enter your destination" />
with the component doing:
const id = generatedUniqueId() // This will need to be memoized in the real implementation to avoid creating new id's with every render.
...
<>
<label for={id}>{labelText}</label>
<input id={id} />
</>
Atleast in angular: You can preserve a11y like the following:
// Custom Input HTML (Using Angular Material for eg);
// You can import the label inside the custom component and bind it to the
input field so that you can always have a new ID to every custom input
<mat-form-field [attr.aria-labelledby]="customAriaLabelledByIDs">
<mat-label *ngIf="label" [for]="customId">{{ label }}</mat-label>
<input matInput [id]="customId" />
</mat-form-field>
// In your component.ts file,
#Input() customId: string;
#Input() customAriaLabelledByIDs: string[];
combinedAriaLabelledByIDs: string;
ngOnInit() {
if (this.customAriaLabelledByIDs) {
this.combinedAriaLabelledByIDs =
this.customAriaLabelledByIDs.length === 1
? this.customAriaLabelledByIDs[0]
: this.customAriaLabelledByIDs.join(' ');
}
}
/// Wherever you use, now you will have something like this:
<your-custom-selector
[customAriaLabelledByIDs]="['id-1', 'id-2', 'id-3']"
[customId]="first-name-ID"
></your-custom-selector>
<your-custom-selector
[customAriaLabelledByIDs]="['id-4', 'id-5', 'id-6']"
[customId]="second-name-ID"
></your-custom-selector>
etc.,
You can add multiple aria-attributes to the #Input() and use it from the custom component like, aria-label, role, aria-expanded, etc...
Let me know if you need any more explanation on any of the things i mentioned above. Will be happy to help!!
I have here a html text box. It has an ng-model and an initial value on it. The problem is the initial value is not shown when there's an ng-model present and I need both of the ng-model and the initial value for the textbox.
HTML:
<input type="text"
ng-model="selPcode"
name="missionId"
value="123">
JS:
$scope.setPcode = function(site){
$scope.selPcode = site.id};
Can anyone suggest a way how to make the value show in the text box and keep the ng-model present? Thanks in advance.
Set an initial value to the ng-model on your controller's scope. Something like $scope.selPcode = 123. Set it to what your value would have been. That way, it'll display initially and then you can also change it.
Well, Angular works with two-way data binding, so why not simply set the initial value in your controller?
$scope.selPcode = 123;
This way, you'll see it in your input.
Use ng-init without having to touch the controller and keep the code in the HTML readable, like you would with the value= syntax for the standard use of the Inputbox. Plunkr here
Example Here (Controller As Syntax):
<div ng-controller="myController as my">
<h1>Hello {{my.name}}</h1>
<input type="text"
ng-init="my.selPcode=123"
ng-model="my.selPcode"
name="missionId">
</div>
Controller:
myApp.controller('myController', function($scope) {
this.name = "Gene";
});
I have an html form ( ) , I want that it is displayed when I click on a button.
the declaration of the form is the following :
<div id = "formulaire" class="gl" >
and the button is :
Edit
I use angularjs in my code . Please help me.
It better to use a simple variable than a function in this case. I would also recommend using controller scope when setting variables instead of the application scope so you don't run into issues with the variables when your application becomes large.
I also picked data-ng-click over ng-click because it will allow the html to validate correctly (which can be checked using the W3's validator).
Try this...
"use strict";
angular.module('myApp', [])
.controller("myController", function() {
this.edit = false;
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.5/angular.min.js"></script>
<div data-ng-app="myApp" data-ng-controller="myController as ctrl">
Edit
<div id="formulaire" class="gl" data-ng-show="ctrl.edit">
<form>
<fieldset>
<label>Field:</label>
<input type="text" />
</fieldset>
</form>
</div>
</div>
Have you looked into the ngShow directive? It ables you to show or hide a DOM element depending on whether the attribute expression resolves to a truthey or falsey value.
Add model change on click
Edit
And then display the form if model is true
<div id = "formulaire" class="gl" ng-if="show">
I am still new towards AngularJS, I made a simple textarea to handle user input using angular model binding like below code (noted that my ng-app and ng-controller are being injected somewhere else but it is within the entire <div></div>):
HTML:
<div ng-controller="StatusCtrl">
//some other HTML
<div class="sPTabs-holder">
<tabset>
<tab heading="Status">
<div>
<form class="statusPost" enctype="multipart/form-data">
<div class="form-group no-margin">
<div class="col-md-12 col-sm-12 no-pad">
<textarea type="text" ng-model="inputStatus" class="statusPostBox" placeholder="what's new on your mind?"></textarea>
</div>
</div>
<div class="form-group no-margin">
<div class="col-md-12 col-sm-12 no-pad">
<button style="width: 12%;" ng-click="postStatus()" class="btn btn-primary btn-sm" type="button">Share</button>
</div>
</div>
</form>
</div>
</tab>
<tab heading="Image">Image</tab>
</tabset>
</div>
</div>
JS:
'use strict';
var Status = angular.module('Status',['ui.bootstrap','ngResource','ngSanitize'])
Status.controller('StatusCtrl', ['StatusService','$resource','$scope','$http', '$timeout', '$sce',
function StatusCtrl(StatusService, $resource, $scope, $http, $timeout, $sce) {
//Usable models
$scope.inputStatus;
//Html-bind
$scope.makeTrust = function(html){
return $sce.trustAsHtml(html);
}
$scope.postStatus = function(){
if ($scope.inputStatus == null){
console.log('Blank post alert');
alert('You cannot post with blank statuses!');
}else{
console.log($scope.inputStatus);
}
}
}]);
My problem is whenever I click on the submit button angular will always pop me with the empty input error even though I have input in the textarea. At first I thought that I made a mistake in my model binding so I have tried out to echo the value in html using {{inputStatus}}, things appeared as it was typed and also when I try to define a default value in $scope.inputStatus = 'default value', the console does indeed echoed 'default value', but the problem is it doesn't store anything that is being typed in the form. What have i done wrong in my code?
Noted that I am not so familiar on how to setup AngularJS in JSFiddle. I apologize in advance if you would like to see the working demo.
**Update 1 - I have narrow down the problem, apparently the problem only occur when I am using angular tabs by Angular Bootstrap. So what happen is if you revise the HTML code, there is this <tabset> section. When declaring the ng-controller after the <tabset> section and everything works like a charm but if you declare it before the <tabset> section, that is where everything mess up.
You should initialize $scope.inputStatus in your controller, otherwise it will pop out an alert windows if you haven't input anything in the textarea (which will initialize or update $scope.inputStatus).
So you change your controller to
$scope.inputStatus = "";
Then everything will work, here is a working demo.
update
If you are using <tabset>, then you are facing child scope problem. <tabset> will create a child scope inside your controller, which means, the scope bind to tabset is the child of scope bind to StatusCtrl.
There are two ways to fix this problem. The first one is accessing the parent scope directly by changing your ngModel to below
<textarea type="text" ng-model="$parent.inputStatus" class="statusPostBox" placeholder="what's new on your mind?"></textarea>
The second one is easier but may looks like a trick, use Dot notation like #lcycook mentioned. In your controller StatusCtrl, declare a dictionary called data
$scope.data = {
inputStatus: ""
};
Then you can access the inputStatus by data.inputStatus anywhere inside the controller scope and you don't need to care about the child scope.
While there is no direct evidence, I suspect your text area is masked inside a child scope. This is common for new AngularJS developers.
While you are learning which directive creates a child scope (e.g. ng-if, ng-repeat), you can avoid this problem with "Dot notation". Which is, wrapping the model inside an object.
You can do this by initializing your ng-model or at least the wrapper object in your controller.
$scope.data = {};
// OR
$scope.data = {inputStatus=''};
Then in your template
<textarea type="text" ng-model="data.inputStatus" class="statusPostBox" placeholder="what's new on your mind?"></textarea>
Process it in your controller by referring it as $scope.data.inputStatus.
Some people even argue you are doing it wrong if you don't do this for any ng-model, but I find thinking wrapper object name is hard so I still use "dotless" one if I know the there is no child scope.
Can <div contenteditable="true">Some Text</div> be used instead of texarea and then passed trough form somehow?
Ideally without JS
Using HTML5, how do I use contenteditable fields in a form submission?
Content Editable does not work as a form element. Only javascript can allow it to work.
EDIT: In response to your comment... This should work.
<script>
function getContent(){
document.getElementById("my-textarea").value = document.getElementById("my-content").innerHTML;
}
</script>
<div id="my-content" contenteditable="true">Some Text</div>
<form action="some-page.php" onsubmit="return getContent()">
<textarea id="my-textarea" style="display:none"></textarea>
<input type="submit" />
</form>
I have tested and verified that this does work in FF and IE9.
You could better use:
<script>
function getContent(){
document.getElementById("my-textarea").value = document.getElementById("my-content").innerText;
}
</script>
NOTE: I changed innerHTML to innerText. This way you don't get HTML elements and text but only text.
Example: I submited "text", innerHTML gives the value: "\r\n text". It filters out "text" but it's longer then 4 characters.
innerText gives the value "text".
This is useful if you want to count the characters.
Try out this
document.getElementById('formtextarea').value=document.getElementById('editable_div').innerHTML;
a full example:-
<script>
function getContent() {
var div_val = document.getElementById("editablediv").innerHTML;
document.getElementById("formtextarea").value = div_val;
if (div_val == '') {
//alert("option alert or show error message")
return false;
//empty form will not be submitted. You can also alert this message like this.
}
}
</script>
`
<div id="editablediv" contenteditable="true">
Some Text</div>
<form id="form" action="action.php" onsubmit="return getContent()">
<textarea id="formtextarea" style="display:none"></textarea>
<input type="submit" />
</form>
`
Instead of this, you can use JQuery (if there is boundation to use JQuery for auto-resizing textarea or any WYSIWYG text editor)
Without JS it doesn't seem possible unfortunately.
If anyone is interested I patched up a solution with VueJS for a similar problem. In my case I have:
<h2 #focusout="updateMainMessage" v-html="mainMessage" contenteditable="true"></h2>
<textarea class="d-none" name="gift[main_message]" :value="mainMessage"></textarea>
In "data" you can set a default value for mainMessage, and in methods I have:
methods: {
updateMainMessage: function(e) {
this.mainMessage = e.target.innerText;
}
}
"d-none" is a Boostrap 4 class for display none.
Simple as that, and then you can get the value of the contenteditable field inside "gift[main_message]" during a normal form submit for example. I'm not interested in formatting, therefore "innerText" works better than "innerHTML" for me.