Open In App

Ember.js HistoryLocation toggleProperty() Method

Improve
Improve
Like Article
Like
Save
Share
Report

Ember.js is a JavaScript framework for building web applications. It is based on the Model-View-Controller (MVC) pattern and is designed to make it easy to create complex feature-rich web applications. Ember.js provides a set of tools and conventions for building web applications that help to manage the complexity of a modern web application.

HistoryLocation is a class in Ember.js that provides a location implementation that uses the browser’s history.pushState API to change the URL and keep the application state in sync with the URL. It is not directly related to toggleProperty() method.

The toggleProperty() method in HistoryLocation is used to toggle a boolean property on an object. It works by checking the current value of the property and then setting it to the opposite value (i.e. if it is true, it sets it to false and vice versa). The method is typically used to toggle the state of a component or object in the Ember.js application.

 

Syntax:

toggleProperty( keyName );

Parameters:

  •  keyName: It is the name of the property to toggle.

Return Value: The new property value.

Steps to install and run Ember.js:

Step 1: To run the following examples you will need to have an ember project with you. To create one, you will need to install ember-cli first. Write the below code in the terminal:

npm install ember-cli

Step 2: Now you can create the project by typing in the following piece of code:

ember new <project-name> --lang en

To start the server, type:

ember serve

Example 1: Type the following code to generate the route for this example:

Javascript




import Route from '@ember/routing/route';
import EmberObject from '@ember/object';
  
export default class FruitsRoute extends Route {
    fruits = [
        EmberObject.create({
            'name': 'Lady Finger',
            'isFruit': false,
            'color': 'green'
        }),
        EmberObject.create({
            name: 'Brinjal',
            isFruit: false,
            color: 'purple'
        }),
        EmberObject.create({
            name: 'Apple',
            isFruit: true,
            color: 'red'
        }),
        EmberObject.create({
            name: 'Grapes',
            isFruit: true,
            color: 'green'
        }),
        EmberObject.create({
            name: 'Mango',
            isFruit: true,
            color: 'yellow'
        }),
        EmberObject.create({
            name: 'Watermelon',
            isFruit: true,
            color: 'red'
        }),
        EmberObject.create({
            name: 'Orange',
            isFruit: true,
            color: 'orange'
        })
    ];
    item2;
    item3;
  
    model() {
        this.set('[]', this.fruits)
        return this;
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('fruits', this.fruits);
    }
}


app/controllers/toggleProperty1.js

Javascript




import Ember from "ember";
import { addObject, isAny, isEvery } from "@ember/array";
import EmberObject from '@ember/object';
  
const Fruit = EmberObject.extend({
    init() {
        alert(`${this.get('name')} is Added in list`);
    }
});
  
export default Ember.Controller.extend({
    actions: {
        ToggleF() {
            this.fruits.forEach((item) =>
                item.toggleProperty('isFruit'));
        },
        insertItem(data, data1, data2) {
            let temp = Fruit.create({
                name: data,
                isFruit: data1,
                color: data2
            });
            this.fruits.addObject(temp);
        }
    },
});


app/templates/toggleProperty1.hbs

HTML




{{page-title "toggleProperty"}}
<h3>Fruit's List :</h3>
<table>
    <tr>
        <th>Name</th>
        <th>Fruit</th>
        <th>Color</th>
    </tr>
    {{#each this.fruits as |detail|}}
        <tr>
            <td>{{detail.name}}</td>
            <td>{{detail.isFruit}}</td>
            <td>{{detail.color}}</td>
        </tr>
    {{/each}}
</table>
<br /><br />
<div>
    <label>Enter Fruit Name: </label>
    {{input value=this.item1}}
</div><br />
<div>
    <label>Item is Fruit: </label>
    {{input value=this.item2}}
</div><br />
<div>
    <label>Enter Fruit color: </label>
    {{input value=this.item3}}
</div><br />
<div>
    <input
        type="button"
        id="insert-item"
        value="Insert Fruit"
        {{action "insertItem" this.item1 this.item2 this.item3}}
    />
</div>
<br />
<div>
    <input
        type="button"
        id="toggle-item"
        value="Toggle Fruit"
        {{action "ToggleF" this.item4}}
    />
</div>
{{outlet}}


Output:

toggleProperty output1

Example 2: Type the following code to generate the route for this example:

ember generate route toggleProperty2

app/routes/toggleProperty2.js

Javascript




import Route from '@ember/routing/route';
import Ember from 'ember';
import EmberObject from '@ember/object';
import EmberResolver from 'ember-resolver';
  
export default class PartyRoute extends Route {
    students = [
        EmberObject.create({
            Name: 'Balit',
            skill: 'Python',
            Id: 'stu2',
            gender: true
        }),
        EmberObject.create({
            Name: 'Yashu',
            skill: 'PHP',
            Id: 'stu0',
            gender: false
        }),
        EmberObject.create({
            Name: 'Sam',
            skill: 'R',
            Id: 'stu1',
            gender: true
        }),
        EmberObject.create({
            Name: 'Pokhu',
            skill: 'JavaScript',
            Id: 'stu3',
            gender: true
        }),
        EmberObject.create({
            Name: 'Tanu',
            skill: 'Java',
            Id: 'stu4',
            gender: false
        }),
        EmberObject.create({
            Name: 'Arabh',
            skill: 'c++',
            Id: 'stu5',
            gender: true
        })];
  
    item3 = 'Gulshan';
    item2 = 'Verma';
    item1 = 'stu6';
    item4 = true;
    model() {
        return this.students;
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('students', this.students);
        controller.set('temp', this.temp);
        controller.set('item1', this.item1);
        controller.set('item2', this.item2);
        controller.set('item3', this.item3);
        controller.set('item4', this.item4);
    }
}


app/controllers/toggleProperty2.js

Javascript




import Controller from '@ember/controller';
import { action, find } from '@ember/object';
import Ember from 'ember';
  
let Student = Ember.Object.extend({
    // these will be supplied by `create`
    Name: null,
    skill: null,
    id: null,
  
    init() {
        alert(`${this.get('Name')} is Listed`);
    },
    fullName: Ember.computed('firstName',
        'lastName', function () {
            return `${this.firstName} ${this.lastName}`;
        }),
  
    Changed: Ember.observer('fullName', function () {
        console.log(`fullName changed to: ${this.fullName}`);
    }),
});
  
export default class Array2Controller extends Controller {
  
    @action
    print(data1, data2, data3, data4) {
        let temp = Student.create({
            Name: data1,
            skill: data2,
            Id: data3,
            gender: data4
        });
        this.students.addObject(temp);
    }
    @action
    toggle() {
        this.students.forEach((item) =>
            item.toggleProperty('gender'))
    }
}


app/templates/toggleProperty2.hbs

HTML




{{page-title "toggleProperty"}}
<h2>
    List of Students:
</h2>
<table>
    <tr>
        <th>Name</th>
        <th>skill</th>
        <th>Id</th>
        <th>Gender</th>
    </tr>
    {{#each this.students as |detail|}}
        <tr>
            <td>{{detail.Name}}</td>
            <td>{{detail.skill}}</td>
            <td>{{get detail "Id"}}</td>
            <td>{{if detail.gender "Male" "Female"}}</td>
        </tr>
    {{/each}}
</table>
<br />
<div>
    <label>Enter Student FirstName: </label>
    {{input value=this.item3}}
</div>
<br />
<div>
    <label>Enter Student LastName: </label>
    {{input value=this.item2}}
</div>
<br />
<div>
    <label>Enter Student Id: </label>
    {{input value=this.item1}}
</div>
<br />
<div>
    <label>Enter Student Gender: </label>
    {{input value=this.item4}}
</div>
<br />
<input
    type="button"
    id="set-code"
    value="Update Student details"
    {{action "print" this.item3 this.item2 this.item1 this.item4}}
/>
<br />
<br />
<br />
<input
    type="button"
    id="toggle-student"
    value="Toggle Gender"
    {{action "toggle"}}
/>


Output:

toggleProperty output2

Reference: https://api.emberjs.com/ember/4.8/classes/HistoryLocation/methods/toggleProperty?anchor=toggleProperty



Last Updated : 01 Feb, 2023
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads