Set dropdown to a particular value in AngularJS - javascript

I have the following HTML code and want the select dropdown once loaded to automatically select the entry coming from the DB - in this case from the rule.id variable. How do I do this in AngularJS?
<div class="card-second-input" ng-if="rule.unfolded">
<select ng-init="rule.actionId" class="rectangle-30" ng-class="rules-option" ng-model="selectedAction" ng-options="team.name for team in teams track by team.id">
<option class="rules-option" value="">Select Team</option>
</select>
</div>
P.S I am using Angular 1.x

Basically setting the ng-model value to required team object can make this change.
This should be done inside controller.
Kindly have a look into following code:-
<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js">
</script>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<select class="rectangle-30" ng-model="selectedAction" ng-options="team.name for team in teams track by team.id">
<option value="">Select Team</option>
</select>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.teams = [
{"name": "A", "id" : 1},
{"name": "B", "id" : 2},
{"name": "C", "id" : 3},
{"name": "D", "id" : 4}
];
$scope.selectedAction = {"name": "B", "id" : 2};
});
</script>
</body>
</html>
Focus on line
$scope.selectedAction = {"name": "B", "id" : 2};

Take a look at this post. I think this may be the solution you are after
How to set a selected option of a dropdown list control using angular JS

Use ng-option like this
ng-options="team.id as team.name for team in teams track by team.id"
And set your item Id to model like this $scope.selectedAction = ieamId from controller which get from DB.

Related

angular js ng-option not working for select tag

I'm trying to get the ng-option to use a JSON formatted array, but not sure why it's not displaying the select option rows. For instance:
index.js:
$scope.seloptions= [{ key: k1, name: n1 },{ key: k2, name: n2 }];
index.html:
<select name="set_aside" ng-model="set_aside" ng-options="option.key for option in seloptions track by name"></select>
I have no idea what I'm doing wrong. The select tag is not getting populated.
EDIT
Also assume that the necessary setup for the angular code is there and both files are in same directory.
The problem is that you are tracking by name which is undefined.
update line :
ng-options="option.key for option in seloptions track by name"
to
ng-options="option.key for option in seloptions track by option.name"
Working example :
var app = angular.module('plunker', []);
app.controller('MainCtrl', function($scope) {
$scope.seloptions= [{ key: "key1", name: "n1" },{ key:" key2", name: "n2" }];
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<body ng-app="plunker">
<div ng-controller="MainCtrl">
<select name="set_aside" ng-model="set_aside" ng-options="option.key for option in seloptions track by option.name">
<option value="">Select One</option>
</select>
</div>
</body>

Is it possible to pass a variable in ng-repeat?

I'm new to angular and was wondering is it possible to replace firstP inside ng-repeat Directive with a variable? I'm using AngularJS v1.6.6
ng-repeat="option in people['firstP']"
var people = {
"firstP": [
"",
"James",
"Jack",
],
"SecondP": [
"",
"Bill",
"Bob",
]
};
is it possible to replace firstP inside ng-repeat Directive with a variable?
Yes it's possible to replace firstP with a variable, after all you are just using the normal javascript object bracket notation in Angular.
Solution:
If you are trying to display the people object contents dynamically, then you can do it like this:
<div ng-repeat="(key, value) in people">
<select>
<option ng-repeat="option in people[key]">{{option}}</option>
</select>
</div>
First you need to loop over the people object keys, then for each key take the relevant array, then loop over each array to display its contents.
Note:
Note that we can replace the people[key] with value directly in the ng-repeat so it becomes ng-repeat="option in value".
I just used people[key] for the question purpose, to answer your specific question.
Demo:
Here's a live working Plunker.
I think you have to assign people object to $scope variable in order to access people object in your html.
HTML
<html ng-app="myApp" ng-controller="testCtrl">
<ul>
<li ng-repeat="name in people[element]">{{name}}</li>
</ul>
</html>
JS
var app = angular.module('myApp', []);
var testCtrl = function($scope){
$scope.element = 'firstP';
$scope.people = {
"firstP" : [
"Jake",
"James",
"Jack",
],
"SecondP" : [
"",
"Bill",
"Bob",
]};
}
app.controller('testCtrl',['$scope',testCtrl]);
to check https://jsfiddle.net/0zk4mfak/6/
As per my understanding,
Define the array in your controller with the $scope variable:
In controller:
app.controller('nameCtrl', function($scope) {
$scope.people = { firstP: ['james', 'jack'] };
});
In Html:
<div ng-controller="nameCtrl">
<ul>
<li ng-repeat="option in people.firstP">{{option}}</li>
</ul>
</div>
Try this.Hope it helps..!
Your code looks suspiciously like it will populate a select (dropdown) box. If that is the case use ng-options for Angular 1:
Given this array of items on the $scope:
$scope.items = [{
id: 1,
label: 'aLabel',
subItem: { name: 'aSubItem' }
}, {
id: 2,
label: 'bLabel',
subItem: { name: 'bSubItem' }
}];
This will work:
<select ng-options="item as item.label for item in items track by item.id"
ng-model="selected"></select>
$scope.selected = $scope.items[0];
or ngFor in Angular 2 like in this answer:
<select name="selectmake" [(ngModel)]="makeListFilter">
<option *ngFor="let muscleCar of muscleCars" [ngValue]="muscleCar">
{{muscleCar.name}}
</option>
</select>

Set default selected in dropdown while binding Key-Value pair Object in AngularJs

I have a JavaScript Object in the following form, (Plnkr)
{
"1" : "John",
"2" : "Jane",
.
. //Continues.
}
I'm binding this Object to a dropdown using AngularJs, here is the html code
<select ng-model="CurrentName" ng-options="key as value for(key , value) in Names"></select>
And here is the Controller code
NamesScript.controller('NamesDropDown', function($scope) {
var Data = Result.Data; //This is a Parent Object I'm getting from a REST call. This contains the names Object.
$scope.Names = Data.names;
$scope.CurrentName = Data.CurrentName; //Yes getting the CurrentName separately it's NOT present in the Names Object.
//CurrentName Object is in this form {"7":"Foo"}
}
I'm getting the DropDown properly populated except that the default is always blank. How do I set the default value equal to the one I'm getting in CurrentName object?
Thanks.
check my plnkr i have a sample example for this. you need to specify value key in your controller
HTML
<!doctype html>
<html ng-app>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.0.6/angular.min.js"></script>
<script src="script.js"></script>
</head>
<body>
<div ng-controller="MyCntrl">
<select ng-model="prop.value" ng-options="v for v in prop.values">
</select>
</div>
</body>
</html>
Script.js
function MyCntrl($scope) {
$scope.prop = { "type": "select",
"name": "Service",
"value": "Service 3",
"values": [ "Service 1", "Service 2", "Service 3", "Service 4"]
};
}

Use select in angular to pass multiple arguments

In Angular Js is there a way to use a select element the same way you can with a list of links?
For example if I have some links like this:
<a ng-click="ctrl.change('argument1','argument2')">One</a>
<a ng-click="ctrl.change('argument3','argument4')">Two</a>
...
Is there a way I can do the same thing with a select element?
<select>
<option value="argument1,argument2">One</option>
<option value="argument3,argument4">Two</option>
...
</select>
you can pass the variables and model through ng-change , hope below code helps you,
template
<div ng-controller="myCtrl">
<select ng-model="item" ng-options="i.name for i in items" ng-change="changed('hello','world',item)">
<option value="">choose items</option>
</select>
</div>
controller
function myCtrl($scope) {
$scope.items = [{
"name": "first",
"type" : "type1"
}, {
"name": "second",
"type" : "type2"
}, {
"name": "third",
"type" : "type3"
}];
$scope.changed = function (hello,world,item) {
alert(hello); // argument1
alert(world); //argument2
alert(item.type); //model argument based on the selection
}
}
do u mean this? use controller value instead of scope value if u wish
<select ng-options="['a,b','c,d']" ng-model="selected" ng-change="ctrl.change(selected)">

angularjs i am using multiple select tag how to clear its all option after saved in db

How to clear multiple select option after saving into DB, i am using ng-model to clear it. Its clearing in back-end but not in UI side.
In controller I am writing:
smsType = {};
smsType.smsTypeId = [];
HTML code:
<div class="form-group">
<select ng-model="smsType.smsTypeId" ui-jq="chosen" multiple
class="w-md"
ng-options="s.id as s.name for s in smsoption.name">
</select>
</div>
Its not reflecting in ui side
Please give me some suggestion i am new to angularjs
Please see demo below
you missed $scope here
smsType.smsTypeId = [];
should be
$scope.smsType.smsTypeId = [];
// Code goes here
angular.module("myApp", []);
angular.module("myApp").controller("SelectCtrl", ["$scope",
function($scope) {
$scope.smsoption = {
name: [{
"id": "122",
"name": "denmark"
}, {
"id": "123",
"name": "france"
}, {
"id": "124",
"name": "italy"
}]
};
$scope.saveit = function() {
console.log($scope.selectCenter);
$scope.smsType.smsTypeId = [];
}
}
]);
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<h1>ngOption demo</h1>
<div ng-app="myApp">
<div ng-controller="SelectCtrl">
<select ng-model="smsType.smsTypeId" ui-jq="chosen" multiple class="w-md" ng-options="s.id as s.name for s in smsoption.name">
</select>
<hr/>You have chosen:
<span ng-repeat="type in smsType.smsTypeId">{{type}} | </span>
<button ng-click="saveit()">Save</button>
</div>
</div>
The model is the output, not the input. To clear it you need to clear smsoption. The model should reflect the options you have selected, not the other way around.
smsoption = [];
Should do it

Categories