MultiSelectModel API in Angular MultiSelect API component

Interface for a class MultiSelect

Properties

actionBegin

EmitType<Object>

Triggers before fetching data from the remote server.

actionComplete

EmitType<Object>

Triggers after data is fetched successfully from the remote server.

actionFailure

EmitType<Object>

Triggers when the data fetch request from the remote server fails.

beforeOpen

EmitType<Object>

Fires when popup opens before animation.

blur

EmitType<Object>

Event triggers when the input get focus-out.

change

EmitType<MultiSelectChangeEventArgs>

Fires each time when selection changes happened in list items after model and input value get affected.

chipSelection

EmitType<Object>

Event triggers when the chip selection.

close

EmitType<PopupEventArgs>

Fires when popup close after animation completion.

created

EmitType<Object>

Triggers when the component is created.

customValueSelection

EmitType<CustomValueEventArgs>

Triggers when the customValue is selected.

dataBound

EmitType<Object>

Triggers when data source is populated in the popup list..

destroyed

EmitType<Object>

Triggers when the component is destroyed.

filtering

EmitType<FilteringEventArgs>

Triggers event,when user types a text in search box.

For more details about filtering, refer to Filtering documentation.

focus

EmitType<Object>

Event triggers when the input get focused.

open

EmitType<PopupEventArgs>

Fires when popup opens after animation completion.

removed

EmitType<RemoveEventArgs>

Fires after the selected item removed from the widget.

removing

EmitType<RemoveEventArgs>

Fires before the selected item removed from the widget.

select

EmitType<SelectEventArgs>

Triggers when an item in the popup is selected by the user either with mouse/tap or with keyboard navigation.

selectedAll

EmitType<ISelectAllEventArgs>

Fires after select all process completion.

tagging

EmitType<TaggingEventArgs>

Fires before set the selected item as chip in the component.

For more details about chip customization refer Chip Customization

actionFailureTemplate

string

Accepts the template and assigns it to the popup list content of the MultiSelect component when the data fetch request from the remote server fails.

allowCustomValue

boolean

Allows user to add a custom value, the value which is not present in the suggestion list.

allowFiltering

boolean

To enable the filtering option in this component. Filter action performs when type in search box and collect the matched item through filtering event. If searching character does not match, noRecordsTemplate property value will be shown.

changeOnBlur

boolean

By default, the multiselect component fires the change event while focus out the component. If you want to fires the change event on every value selection and remove, then disable the changeOnBlur property.

closePopupOnSelect

boolean

Based on the property, when item get select popup visibility state will changed.

cssClass

string

Sets the CSS classes to root element of this component which helps to customize the complete styles.

dataSource

Object[] | DataManager | string[] | number[] | boolean[]

Accepts the list items either through local or remote service and binds it to the MultiSelect component. It can be an array of JSON Objects or an instance of DataManager.

delimiterChar

string

Sets the delimiter character for ‘default’ and ‘delimiter’ visibility modes.

enableGroupCheckBox

boolean

Specifies a Boolean value that indicates the whether the grouped list items are allowed to check by checking the group header in checkbox mode. By default, there is no checkbox provided for group headers. This property allows you to render checkbox for group headers and to select all the grouped items at once

enablePersistence

boolean

Enable or disable persisting MultiSelect component’s state between page reloads. If enabled, following list of states will be persisted.

1. value

enableRtl

boolean

Enable or disable rendering component in right to left direction.

enableSelectionOrder

boolean

Reorder the selected items in popup visibility state.

enabled

boolean

Specifies a value that indicates whether the MultiSelect component is enabled or not.

fields

FieldSettingsModel

The fields property maps the columns of the data table and binds the data to the component.

• text - Maps the text column from data table for each list item.
• value - Maps the value column from data table for each list item.
• iconCss - Maps the icon class column from data table for each list item.

• groupBy - Group the list items with it’s related items by mapping groupBy field.

  <input type="text" tabindex="1" id="list"> </input>

  let customers: MultiSelect = new MultiSelect({
   dataSource:new DataManager({ url:'http://js.syncfusion.com/demos/ejServices/Wcf/Northwind.svc/' }),
   query: new Query().from('Customers').select(['ContactName', 'CustomerID']).take(5),
   fields: { text: 'ContactName', value: 'CustomerID' },
   placeholder: 'Select a customer'
  });
  customers.appendTo("#list");

filterBarPlaceholder

string

Accepts the value to be displayed as a watermark text on the filter bar.

filterType

string

Determines on which filter type, the MultiSelect component needs to be considered on search action. The FilterType and its supported data types are

The default value set to StartsWith, all the suggestion items which contain typed characters to listed in the suggestion popup.

floatLabelType

FloatLabelType

Specifies whether to display the floating label above the input element. Possible values are:

• Never: The label will never float in the input when the placeholder is available.
• Always: The floating label will always float above the input.
• Auto: The floating label will float above the input after focusing or entering a value in the input.

footerTemplate

string

Accepts the template design and assigns it to the footer container of the popup list.

For more details about the available template options refer to Template documentation.

groupTemplate

string

Accepts the template design and assigns it to the group headers present in the MultiSelect popup list.

headerTemplate

string

Accepts the template design and assigns it to the header container of the popup list.

For more details about the available template options refer to Template documentation.

hideSelectedItem

boolean

Hides the selected item from the list item.

htmlAttributes

Object

Gets or sets the additional attribute to HtmlAttributes property in MultiSelect, which helps to add attribute like title, name etc, input should be key value pair.

 <input type="text" id="country">

import { MultiSelect } from '@syncfusion/ej2-dropdowns';

let countries: { [key: string]: Object; }[] = [
  { Name: "Australia", Code: "AU" },
  { Name: "Bermuda", Code: "BM" },
  { Name: "Canada", Code: "CA" },
  { Name: "Cameroon", Code: "CM" },
  { Name: "Denmark", Code: "DK" }
];
// initialize MultiSelect component
let multiselect: MultiSelect = new MultiSelect({
  //set the local data to dataSource property
  dataSource: countries,
  // map the appropriate columns to fields property
  fields: { text: 'Name', value: 'Code' },
  htmlAttributes: { name: "country", placeholder: "Select a country", title: "MultiSelect DropDown" }
});
multiselect.appendTo('#country');

ignoreAccent

boolean

ignoreAccent set to true, then ignores the diacritic characters or accents when filtering.

ignoreCase

boolean

Sets case sensitive option for filter operation.

itemTemplate

string

Accepts the template design and assigns it to each list item present in the popup.

For more details about the available template options refer to Template documentation. We have built-in template engine which provides options to compile template string into a executable function. For EX: We have expression evolution as like ES6 expression string literals.

locale

string

Overrides the global culture and localization value for this component. Default global culture is ‘en-US’.

maximumSelectionLength

number

Sets limitation to the value selection. based on the limitation, list selection will be prevented.

mode

string

configures visibility mode for component interaction.

• Box - selected items will be visualized in chip.
• Delimiter - selected items will be visualized in text content.
• Default - on focus in component will act in box mode. on blur component will act in delimiter mode.
• CheckBox - The ‘checkbox’ will be visualized in list item.

noRecordsTemplate

string

Accepts the template design and assigns it to popup list of MultiSelect component when no data is available on the component.

openOnClick

boolean

Whether to automatically open the popup when the control is clicked.

placeholder

string

Gets or sets the placeholder in the component to display the given information in input when no item selected.

popupHeight

string | number

Gets or sets the height of the popup list. By default it renders based on its list item.

For more details about the popup configuration refer to Popup Configuration documentation.

popupWidth

string | number

Gets or sets the width of the popup list and percentage values has calculated based on input width.

For more details about the popup configuration refer to Popup Configuration documentation.

query

Query

Accepts the external Query which will execute along with the data processing in MultiSelect.

readonly

boolean

Gets or sets the readonly to input or not. Once enabled, just you can copy or highlight the text however tab key action will perform.

selectAllText

string

Specifies the selectAllText to be displayed on the component.

showClearButton

boolean

Enables close icon with the each selected item.

showDropDownIcon

boolean

Allows you to either show or hide the DropDown button on the component

showSelectAll

boolean

Allows you to either show or hide the selectAll option on the component.

sortOrder

string

Specifies the sortOrder to sort the data source. The available type of sort orders are

• None - The data source is not sorting.
• Ascending - The data source is sorting with ascending order.
• Descending - The data source is sorting with descending order.

text

string

Selects the list item which maps the data text field in the component.

unSelectAllText

string

Specifies the UnSelectAllText to be displayed on the component.

value

number[] | string[] | boolean[]

Selects the list item which maps the data value field in the component.

 <input type="text" id="country">

import { MultiSelect } from '@syncfusion/ej2-dropdowns';

let countries: { [key: string]: Object; }[] = [
  { Name: "Australia", Code: "AU" },
  { Name: "Bermuda", Code: "BM" },
  { Name: "Canada", Code: "CA" },
  { Name: "Cameroon", Code: "CM" },
  { Name: "Denmark", Code: "DK" }
];
// initialize MultiSelect component
let multiselect: MultiSelect = new MultiSelect({
  //set the local data to dataSource property
  dataSource: countries,
  // map the appropriate columns to fields property
  fields: { text: 'Name', value: 'Code' },
  // set the placeholder to MultiSelect input element
  placeholder: 'Select a Country',
  value: ["CM"]
});
multiselect.appendTo('#country');

valueTemplate

string

Accepts the template design and assigns it to the selected list item in the input element of the component. For more details about the available template options refer to Template documentation. We have built-in template engine which provides options to compile template string into a executable function. For EX: We have expression evolution as like ES6 expression string literals.

width

string | number

Gets or sets the width of the component. By default, it sizes based on its parent. container dimension.

zIndex

number

specifies the z-index value of the component popup element.