ng-choices

📢 Angular Choices

Angular wrapper for choices.js - vanilla, lightweight, configurable select box/text input plugin. Similar to Select2 and Selectize but without the jQuery dependency.

Live Demo - https://stackblitz.com/edit/nb-choices

🍭 Features

• Angular forms support
• Custom Angular templates
• Placeholder support out of the box
• Works with observables and the async pipe
• Custom checkbox in multiple dropdowns
• Escaping your HTML out of the box
• Modern styling

Installation

npm install nb-choices
yarn add nb-choices

Style

@import '~nb-choices/nb-choices.scss'

## Examples

Single Select

<choices [formControl]="control"
         [choices]="options"
         placeholder="Choose..."></choices>
 

Single Select - Combo box

 <choices [formControl]="control"
          [isCombo]="true"
          [choices]="options"
          placeholder="Choose..."></choices>

Single Select - Group

this.options = [{
  label: 'Group one',
  id: 1,
  choices: [
    { value: 'Child One', label: 'Child One' },
    { value: 'Child Two', label: 'Child Two' },
  ]
 },
 {
   label: 'Group two',
   id: 2,
   choices: [
     { value: 'Child Four', label: 'Child Three' },
     { value: 'Child Five', label: 'Child Four' },
   ]
}];

<choices [formControl]="control"
         [choices]="options"
         placeholder="Choose..."></choices>

With Custom Template

this.options = [{
      value: 'chrome',
      label: 'Chrome',
      customProperties: {
        icon: 'chrome'
      }
    },
    {
      value: 'explorer',
      label: 'Explorer',
      customProperties: {
        icon: 'internet-explorer'
    }
 }];
 

<ng-template #tpl let-data>
 <i class="fa fa-{{data.customProperties?.icon}}"></i> {{data.label}}
</ng-template>
 
<choices [formControl]="control"
         [isCombo]="true"
         [choiceTemplate]="tpl"
         [choices]="options"
         placeholder="Choose..."></choices>

With Observables

ngOnInit() {
  this.loading = true;
  this.options$ = timer(500).mapTo(this.options).do(() => {
    this.loading = false
  });
}

<choices [formControl]="control"
         [isCombo]="true"
         [loading]="loading"
         [choices]="options$ | async"
         placeholder="Choose..."></choices>

Multiple Select

<choices [isMultiple]="true"
         [choices]="options"
         [isCombo]="true"
         [formControl]="control"
         placeholder="Choose skills..."></choices>

Multiple Select - With Checkbox

<choices [isMultiple]="true"
         [choices]="options"
         [withCheckbox]="true"
         [isCombo]="true"
         [formControl]="control"
         placeholder="Choose skills..."></choices>

Controls

<choices [formControl]="control"
         [isCombo]="true"
         #choices="choices"
         [choices]="options"
         placeholder="Choose..."></choices>
 
<button (click)="choices.toggleDropdown(true)">Show</button>
<button (click)="choices.toggleDropdown()">Hide</button>
<button (click)="choices.disable()">Disable</button>
<button (click)="choices.enable()">Enable</button>
<button (click)="choices.clear()">Reset</button>
<button (click)="choicesMultiple.clearMultiple()">Reset multiple select</button>

Text

<choices [text]="true" [items]="textOptions" [formControl]="controText" #choicesText="choices"></choices>
 
<button (click)="choicesText.clearMultiple()">Reset</button>

Configuration

The default configurations of nb-choices for selects are:

{
  placeholderValue: context.placeholder,
  searchEnabled: context.isCombo,
  searchPlaceholderValue: context.searchPlaceholder,
  silent: true,
  removeItems: true,
  removeItemButton: true,
  duplicateItems: false,
  resetScrollPosition: false,
  searchResultLimit: 10000,
  fuseOptions: {
    threshold: 0.2,
  },
  shouldSort: false,
  shouldSortItems: false,
  renderSelectedChoices: 'always',
  loadingText: 'Loading...',
  noResultsText: 'No results found',
  noChoicesText: 'No choices to choose from',
  itemSelectText: '',
}

The default configurations of nb-choices for texts are:

{
  duplicateItems: false,
  removeItemButton: true,
}

You can extend the configurations by providing the CHOICES_CONFIG provider for selects or the CHOICES_TEXT_CONFIG for texts.

For example:

providers: [{provide: CHOICES_CONFIG, useValue: { removeItems: false }}]

Options

@Inputs()	Description	Default
isMultiple	Whether the select should be multiple	false
placeholder	The value to show when the control is empty	Choose..
isCombo	Whether to show the search box	true
text	Whether is a text type	false
searchPlaceholder	The value to show on the search input	Search..
labelKey	The label which bound to the option text	label
valueKey	The value which bound to the option value	value
choices	The list of choices	[]
items	The list of items (relevant for text)	[]
choiceTemplate	TemplateRef that will replace the default view	null
loadingText	The loading text	Loading..
textConfig	The text config	{}
withCheckbox	Whether to show a checkbox in multiple dropdown	false
loading	Whether to show the loading text	false

@Outputs()	Description
onSearch	Triggered when a user types into an input to search choices

Custom Styling

You can customize the style by modifying the nb-choices.scss and include it in your application.

TODO

• Add Tests