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Maintainers Wanted

This project was originally intended to be only consumed by my NG applications. I'm now working full-time on React related project only and it's been a while since I did look into Angular related code.

However, since there are now several people relying on this small and simple package, I'm looking for volunteers to actiely look after this project. If anyone is interested, please reply into this ticket.

Build Status npm version Coverage Status npm Commitizen friendly semantic-release

angular2-expandable-list

Expandable lists made easy for Angular2+

Angular2 Expandable List is an HTML <angular2-expandable-list> tag enhanced with styling and animation. now compatible with Angular4 too.

Plunker DEMOs:

screenshot

Table of contents

Installation

  1. Install the component using npm:
# To get the latest stable version and update package.json file:
$ npm install angular2-expandable-list --save

or yarn with:

$ yarn add angular2-expandable-list

Setup

If you are using System.js you may want to add this into map and package config:

{
  "map": {
    "angular2-expandable-list": "node_modules/angular2-expandable-list/bundles/angular2-expandable-list.umd.js"
  }
}

If you are using Webpack you may want to add this into your vendor.js file:

// vendor.ts
import '@angular/platform-browser';
import '@angular/platform-browser-dynamic';
import '@angular/core';
import '@angular/common';
import '@angular/http';

// Third parties packages
import 'rxjs';
import 'angular2-expandable-list';

angular2-expandable-list class is an Angular2 module therefore, it needs to be registered in the modules array (encouraged way):

// app.module.ts
import { NgModule }             from '@angular/core';
import { BrowserModule }        from '@angular/platform-browser';
import { ExpandableListModule } from 'angular2-expandable-list';
import { AppComponent }         from './app.component';

@NgModule({
  declarations: [ AppComponent ],
  imports: [
    BrowserModule,
    ExpandableListModule // import Angular's ExpandableListModule modules
  ],
  bootstrap: [ AppComponent ]
})
export class AppModule { }

Usage

Use the component anywhere around your application:

// app.component.ts
import { Component } from '@angular/core';

@Component({
  selector: 'app',
  template: `
  <expandable-list>
    <expandable-list-item>
      <span title>My List</span>
      <a item href="http://www.goo.gl">Google</a>
      <a item href="http://www.goo.gl">Google</a>
      <expandable-list-divider></expandable-list-divider>
      <a item href="http://www.goo.gl">Google</a>
    </expandable-list-item>
  </expandable-list>
  `
})
export class AppComponent  { }

Design your list

List and list-item

The Angular2-expandable-list is composed of a <expandable-list> wrapper and one or more <expandable-list-item>. Start your list creating these 2 html tags in your template like this:

<expandable-list>
  <expandable-list-item></expandable-list-item>
</expandable-list>

Title and secondary

Now, each <expandable-list-item> needs a title and a list of elements. It is possible to create both a primary and a secondary title for each item like the following example.

<expandable-list>
  <expandable-list-item>
    <span title>Primary Title</span>
    <span secondary>Secondary</span>
  </expandable-list-item>
</expandable-list>

List items

Now you're ready to fill your list with some items.

<expandable-list>
  <expandable-list-item>
    <span title>Primary Title</span>
    <span secondary>Secondary</span>
    <a item href="http://www.goo.gl">Google</a>
    <a item href="http://www.goo.gl">Google</a>
    <a item href="http://www.goo.gl">Google</a>
  </expandable-list-item>
</expandable-list>

It is important to append the html attribute item to each of the item you want to be rendered in the list and it's up to you which HTML tag to use. We've just filled our list with anchor link but feel free to use any other tag.

Dividers

<expandable-list>
  <expandable-list-item>
    <span title>Primary Title</span>
    <span secondary>Secondary</span>
    <a item href="http://www.goo.gl">Google</a>
    <a item href="http://www.goo.gl">Google</a>
    <expandable-list-divider></expandable-list-divider>
    <a item href="http://www.goo.gl">Google</a>
  </expandable-list-item>
</expandable-list>

Create more

Now you can create as many <expandable-list-item> nodes as you want inside your <expandable-list>.

<expandable-list>
  <expandable-list-item>
    <span title>Primary Title</span>
    <span secondary>Secondary</span>
    <a item href="http://www.goo.gl">Google</a>
    <a item href="http://www.goo.gl">Google</a>
    <expandable-list-divider></expandable-list-divider>
    <a item href="http://www.goo.gl">Google</a>
  </expandable-list-item>

  <expandable-list-item>
    <span title>Another list</span>
    <a item href="http://www.goo.gl">Google</a>
    <a item href="http://www.goo.gl">Google</a>
  </expandable-list-item>
</expandable-list>

Demo App

Have a look at the demo available in this repository for a real Angular2 application using the Angular2-Cookie-Law library.

From your terminal all the Node dependencies using npm:

$ npm run demo

Open your browser to http://localhost:9007/ to see the application running.

Options

Properties

isExpanded

Type Default value
boolean false

Used for interacting with the expandable-list-item element.

Example:

@Component({
  selector: 'app',
  template: `
    <expandable-list class="expandable-list">
      <expandable-list-item [isExpanded]="listExpanded">
        <span title>My list</span>
        <a item href="http://www.goo.gl">Google</a>
        <a item href="http://www.goo.gl">Google</a>
        <a item href="http://www.goo.gl">Google</a>
      </expandable-list-item>
    </expandable-list>
  `
})
export class AppComponent {
  listExpanded = true;
}

Attributes

Name Type Description
disabled boolean When applied to the expandable-list-item, disabled the
is-expanded boolean Reflect the expandable state of the item list element

Events

Name Type Description
onExpanded boolean Triggered when the list expansion status changes

Example:

@Component({
  selector: 'app',
  template: `
    <expandable-list class="expandable-list">
      <expandable-list-item [isExpanded]="listExpanded"
                            (onExpanded)="listExpanded = $event">
        <span title>My list</span>
        <a item href="http://www.goo.gl">Google</a>
      </expandable-list-item>
    </expandable-list>
  `
})
export class AppComponent {
  listExpanded = true;
}

Angular 4

This module will work with Angular 4 projects but requires @angular/animations to be included in your project as the Angular animations are not part of the @angular/core library starting from the version >=4.

Make sure to include the BrowserAnimationsModule in your App module like in the following example:

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';

import { BrowserAnimationsModule } from '@angular/platform-browser/animations';

@NgModule({
  bootstrap: [ AppComponent ],
  declarations: [
    AppComponent,
  ],
  imports: [
    BrowserModule,
    BrowserAnimationsModule, // Angular 4 Only
  ],
})
export class AppModule { }

Everything else will just work as before.

Contributing

This package is using the AngularJS commit messages as default way to contribute with commitizen node package integrated in this repository.

  1. Fork it!
  2. Create your feature branch: git checkout -b my-new-feature
  3. Add your changes: git add .
  4. Commit your changes: npm run commit
  5. Push to the branch: git push origin my-new-feature
  6. Submit a pull request 😎

Changelog

Changelog available here

License

MIT License © Andrea SonnY