import { DropdownTranslations } from './dropdown-translations.model';
import { DropdownSelectMode } from './dropdown-select-mode.model';
import { ViewPosition } from '../../utility/models/view-position.model';
/**
 * Dropdown list base configuration model.
 */
export interface DropdownConfig {
    /**
     * Base translation data object. Used to localize table static label text.
     */
    baseTranslations?: DropdownTranslations;
    /**
     * Select option track field path which is used to uniquely identify options for selection tracking.
     * This field support object paths expressions 'root[0].nest'.
     */
    selectTrackBy?: string;
    /**
     * Display value track field path which is used to extract dropdown option display value.
     * This field support object paths expressions 'root[0].nest'.
     */
    displayTrackBy?: string;
    /**
     * Option disable state field path which is used to disabled state dropdown options.
     * This field support object paths expressions 'root[0].nest'.
     */
    disabledTrackBy?: string;
    /**
     * Popup options menu display position relative to dropdown component.
     * Support 'top-left' | 'top-right' | 'bottom-left' | 'bottom-right' values.
     */
    menuPosition?: ViewPosition;
    /**
     * Option select mode.
     * - 'multi' : Support selecting multiple options.
     * - 'single' : Support selecting a single option from options collection.
     * - 'single-toggle' : Support selecting a single option from options collection. Selection can not be removed but
     * only toggled by tapping on another option.
     */
    selectMode?: DropdownSelectMode;
    /**
     * Show dropdown option search filter text-box if true.
     */
    filterable?: boolean;
    /**
     * Time based filter debounce to optimize performance and avoid request flooding by reducing the filter
     * request frequency if true. Applicable only when dropdown filterable state is enabled.
     */
    filterDebounce?: boolean;
    /**
     * Filter debounce time in milliseconds. Applicable only when searchDebounce is true
     */
    filterDebounceTime?: number;
    /**
     * Options group field path which is used to group the dropdown options.
     * This field support object paths expressions 'root[0].nest'.
     */
    groupByField?: string;
    /**
     * Wrap selected options in dropdown view and show the number of options selected instead when
     * limit is met or exceeded. Applicable only when multi select mode is enabled.
     */
    wrapDisplaySelectLimit?: number;
    /**
     * Show selected option remove button if true.
     * Applicable only when multi select mode ios enabled.
     */
    showSelectedOptionRemoveButton?: boolean;
    /**
     * Show all select options clear button if true.
     * Applicable only when multi select mode ios enabled.
     */
    showClearSelectionButton?: boolean;
    /**
     * Options menu width in pixels.
     */
    menuWidth?: number;
    /**
     * Options menu height in pixels.
     */
    menuHeight?: number;
    /**
     * Set infinite scrollable state to load data on demand with scroll motion. Dropdown data fetch call is
     * initiated with limit and offset when user scroll to bottom hence loading the full data set on init.
     */
    loadOnScroll?: boolean;
    /**
     * View height distance ratio to trigger data fetch on scroll.
     * Higher ratio will will increase the scroll sensitivity.
     */
    loadViewDistanceRatio?: number;
    /**
     * Number of options to fetch on scroll to bottom action when load on scroll mode is enabled.
     */
    limit?: number;
    /**
     * Load data on component initialize if true.
     */
    loadDataOnInit?: boolean;
    /**
     * Close dropdown menu on option select if true.
     */
    closeMenuOnSelect?: boolean;
    /**
     * Show dropdown option select checkbox if true.
     */
    showOptionSelectCheckbox?: boolean;
    /**
     * Multi select option selected item maximum width. Apply ellipsis when selected option display text exceed the max width.
     */
    multiSelectOptionMaxWidth?: number;
    /**
     * Set first dropdown option selected on data fetch if true.
     */
    setFirstOptionSelected?: boolean;
    /**
     * Trigger select change event on init if true. Can be used to enable selectedOptions or selectedOption associated change trigger.
     */
    triggerSelectChangeOnInit?: boolean;
    /**
     * Trigger select change on explicit model update if true. Applicable only when form binding is used.
     */
    triggerSelectChangeOnModelUpdate?: boolean;
    /**
     * Trigger select change on first option select change if true. Applicable only when setFirstOptionSelected is true.
     */
    triggerSelectChangeOnFirstOptionSelect?: boolean;
    /**
     * Dynamically calculate dropdown view dimensions relative to dropdown button width. menuWith and menuHeight values are ignored when true.
     */
    dynamicDimensionCalculation?: boolean;
    /**
     * Dynamic dropdown options view dimensions calculation width ratio relative to dropdown selector.
     */
    dynamicWidthRatio?: number;
    /**
     * Dynamic dropdown options view dimensions calculation height ratio relative to dropdown selector.
     */
    dynamicHeightRatio?: number;
    /**
     * Relative parent element to render dropdown view container.
     */
    relativeParentElement: HTMLElement;
}