I'm using AngularJS and filter option. When I select an item in radio buttons, its getting right data.
<input ng-click="filter = !filter" ng-value="!filter" ng-checked="filter" type="radio" ng-model="ctrl.filter[category]" />
But I need allow one select in radio buttons and its not working. What's the problem? Thanks.
DEMO
To properly work, radio inputs need a name attribute. It should be the same for all radio of the groupe.
You also need to change the ng-model of the radio to store its value in a single property.
<input ng-click="filter = !filter" ng-value="category" name="wineCategory" ng-checked="filter" type="radio" ng-model="ctrl.filter" />
Finally you need to adapt your filter methods.
All the inputs in the Radio box group must have only one reference to an ng-model which is typically the value of the input.
So, your input markup would be
<input value="{{category}}" type="radio" ng-model="ctrl.filterCategory" />
Where the value = category would be red, while or champagne.
Now likewise your filter function would change to use the ng-model like this
function filterByCategory(wine) {
return (self.filterCategory === wine.category || self.filterCategory === "") ? 'show':'hide';
}
Working demo here.
http://jsfiddle.net/nah42h1c/2/
Related
I am using angular and have a radio input like this (in a form, if it matters):
<input type="radio"
name="inputName"
id="someId"
data-ng-value=true <!-- This select "true" for my ng-model when clicked-->
ng-model = "nameOfMyVarIn$scope"
ng-change = "thisRunsWhenSelectionIsmade(true)"
required></input>
I want to clear this input. Clearing the variable bound to ng-model clears the variable, but not the checkbox. I can't find how to clear the radio button itself in the docs or in random articles - it stays selected. I made a quick copy of the example from the docs and added $scope.clearSelection - the goal is to have this function de-select the selected input. In the real application I have other inputs in the form, so I can't just clear the whole form.
Plnkr
Using your Plnkr, I've set color to null and it cleared the value. Is this what you want?
$scope.clearSelection = function(){
$scope.color = null;
}
Here is the updated Plnkr
I would like manage with AngularJS UI which allows to pick one of the options (displayed as radio buttons group) or a custom value typed in a input-text.
It should look like:
http://jsbin.com/foyujali/7/edit
Here is the code that you can see also in the link below:
HTML
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.14/angular.js"></script>
<div ng-app="tagsApp" ng-controller="TagsCtrl">
<input type="radio" id="conversion_type_sale" ng-model="tag.conversion_type" value="sale"/>
<label for=conversion_type_sale>Sale</label>
<input type="radio" id="conversion_type_lead" ng-model="tag.conversion_type" value="lead"/>
<label for=conversion_type_lead>Lead</label>
<input type="radio" id="conversion_type_custom" ng-model="tag.conversion_type" value="{{tag.conversion_type_custom_value}}"/>
<input type="text" placeholder="Custom" ng-model="tag.conversion_type_custom_value" id="conversion_type_custom_value"/>
<p>
The choosen conversion type is: <strong>{{tag.conversion_type}}</strong>
</p>
</div>
And JS:
angular.module('tagsApp', []).
controller('TagsCtrl', function ($scope) {
$scope.tag = {conversion_type: 'lead'};
});
I would prefer not to use ngChange directive so I just bind the value or ng-value (I tried both) to the model of the input-text. It doesn't work properly this way, but I suppose there is an elegant AngularJS solution. Any suggestions?
Thanks in advance!
P.S. Just to clarify - I want the following functionality: http://jsbin.com/foyujali/10/edit but I want to avoid using ngChange directive.
This is what you're looking for: http://jsfiddle.net/colares/shcv8e1h/2/
Explaning the behavior
By focusing on the text field, the radio on the left is selected and chosen value is updated regarding the value of the text field;
By focusing on radio on the left of the text field, the chosen value is updated according to what is in the text field as well;
By changing the value of the text field, the chosen value is also updated;
Finally, by focusing on any other label or radio, the custom value remains, while the chosen value is update regarding the selected option.
To do so, I had to use a few more things in custom option input:
ng-focus: when I click on the text field, it updates the chosen value regarding the text field;
ng-change: as I update the text field, the final value is also updated;
ng-model: to store the auxiliar variable customColor, which remains regardless of the selected value.
Remember, the ng-value is used to set the value of the radio (or an <option>) from a given expression when we select it. This makes the radio and input text "bound", because they have the same value.
You could use $scope.$watch and look for the change in your controller like so:
http://jsfiddle.net/2R6aN/
var app = angular.module('tagsApp',[]);
app.controller('TagsCtrl', function ($scope) {
$scope.tag = {conversion_type: 'lead'};
$scope.$watch('conversion_type_custom_value',function(new_val) {
if (new_val) {
$scope.tag.conversion_type = new_val;
}
});
});
$watch is best option. Also, Instead of using modelName in 1st parameter of $watch, you can create your own stuff(eg. watching length of input box) and do desired action on it with second parameter.
Here is the documentation I'm looking at : Example Adding Radio Buttons
It says:
KO will set the element to be checked if and only if the parameter value equals the radio button node’s value attribute
Which I have done in this: jsfiddle
self.radioValue = ko.observable(1);
and the HTML:
<input type="radio" name="teloremail" value="1" data-bind="checked: radioValue" />
For me, this doesn't automatically set the radio to checked
Any reason for this?
The type of the radio button node’s value attribute is string, so you need to store the value as string also in your observable:
self.radioValue = ko.observable("1");
Demo JSFiddle.
The example also uses a string: "almond".
I know that this has been spoken about in some Google Threads but I still can't find the right solution to bind my radio inputs to a model (in clean'n simple manner),
Currently I have HTML:
<input ng-model="searchByRma" type="radio" name="search-type">
<input ng-model="searchByDelivery" type="radio" name="search-type">
And in Controller:
$scope.searchByRma = true;
$scope.searchByDelivery = false;
This does not work (as it would with the checkboxes)...
Any ideas on how to set the default value on the first radio button without loosing data-binding?
Thanks!
I think you should use same variable with different values in those
two radio buttons.
<input ng-model="searchBy" value="Rma" type="radio" name="search-type">
<input ng-model="searchBy" value="Delivery" type="radio" name="search-type">
Then, you should have searchBy set either "Rma" or "Delivery" depending on
user input.
What has worked for me is to set the model variable to { } and that will reset the radio buttons to their default (not selected) state. Of course, this will only work if you have your radio button tags correct as in tosh's answer.
In your case:
$scope.searchBy = { };
I have a few radio buttons that belong to the same category, but I want to name them differently and make them mutually exclusive. How do I do that? Based on the selected value, I do different actions, and I can't access them if they have the same name.
Why can't you access them if they have the same name? You can add IDs (you should), you can distinguish by value or just count them and use the n-th element.
You should give radiobuttons the same name to make the browser understand they are exclusive.
You could (but should not) hack around this, and give each object a different name. Then add an onSelect/onClick handler for each object, and when the event fires, "uncheck" the other buttons. This is dirty and should be avoided.
Radio buttons require the same name to be mutually exclusive. However, they can have different ID attribute values, if you want to manipulate them individually with JavaScript.
There are lots of ways to get the selected value with jQuery:
<input type="radio" name="foo" value="1" />
<input type="radio" name="foo" value="2" />
// value of checked input tag of type 'radio'
var selectedValue = $('input[type=radio]:checked').val();
// value of checked input tag having name of 'foo'
var selectedValue = $('input[name=foo]:checked').val();
// value of the first checked radio button, regardless of name
var selectedValue = $('input:checked').val();
If you have to change the name, you can access the DOM and it's elements through JavaScript.
<input type="checkbox" name="X" id="myElement" />
<script> document.getElementById('myElement').name = 'text'; </script>
http://www.w3schools.com/JS/js_ex_dom.asp