/// <reference types="ignite-ui" />
import { ElementRef, Renderer, IterableDiffers } from "@angular/core";
import { IgControlBase } from "../igcontrolbase/igcontrolbase";
import { ControlValueAccessor, NgModel } from "@angular/forms";
export declare class IgComboComponent extends IgControlBase<IgCombo> implements ControlValueAccessor {
    model: NgModel;
    protected _model: any;
    private _dataSource;
    private _changes;
    constructor(model: NgModel, el: ElementRef, renderer: Renderer, differs: IterableDiffers);
    ngOnInit(): void;
    writeValue(value: any): void;
    onChange: (_: any) => void;
    onTouched: () => void;
    registerOnChange(fn: () => any): void;
    registerOnTouched(fn: () => any): void;
    ngDoCheck(): void;
    /**
     * Performs databinding on the combo box. The [databinding](ui.igcombo#events:dataBinding) and [dataBound](ui.igcombo#events:dataBound) events are always raised.
     */
    dataBind(): Object;
    /**
     * Forces an update of the igCombo value according to the current text in the igCombo input.
     *
     * 				The refresh is primarily intended to be used with [allowCustomValue](ui.igcombo#options:allowCustomValue) set to true.
     * 				The refresh will take the current text and, if no selection is applied, will set it as igCombo value provided that [allowCustomValue](ui.igcombo#options:allowCustomValue) true.
     */
    refreshValue(): Object;
    /**
     * Gets the associated data of an item by value matching it's [valueKey](ui.igcombo#options:valueKey) property.
     *
     * @param value Value matching the valueKey property of item to be tested if it is selected
     */
    dataForValue(value: Object): Object;
    /**
     * Gets the associated data of li element in the combo.
     *
     * @param $element jQuery element of item in the drop down list
     */
    dataForElement($element: Object): Object;
    /**
     * Gets object/s containing data and list item in the combo by element/s.
     *
     * @param $element jQuery object with drop down list item element or elements
     */
    itemsFromElement($element: Object): Object;
    /**
     * Gets object/s containing data and list item in the combo by value/s.
     *
     * @param value Value of item in the drop down list or array with values.
     */
    itemsFromValue(value: Object): Object;
    /**
     * Gets object/s containing data and list item in the combo by index/es.
     *
     * @param index Index or array of indexes of items in the drop down list
     */
    itemsFromIndex(index: number): Object;
    /**
     * Gets array with data and objects representing li elements in combo box.
     */
    items(): any[];
    /**
     * Gets array with objects representing the filtered li elements in combo box.
     */
    filteredItems(): any[];
    /**
     * Gets array with objects representing selected li elements in combo box.
     */
    selectedItems(): any[];
    /**
     * Triggers filtering.
     *
     * @param texts Filter by string, or array of strings.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [filtering](ui.igcombo#events:filtering) and [filtered](ui.igcombo#events:filtered) events.
     */
    filter(texts?: Object, event?: Object): Object;
    /**
     * Clears filtering.
     *
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [filtering](ui.igcombo#events:filtering) and [filtered](ui.igcombo#events:filtered) events.
     */
    clearFiltering(event?: Object): Object;
    /**
     * Opens the drop-down.
     *
     * @param callback Specifies callback function to be executed when open animation is completed.
     * @param focusCombo Set to false to not focus combo"s text input after the drop down is opened. By default the combo's input is focused.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [dropDownOpening](ui.igcombo#events:dropDownOpening) and [dropDownOpened](ui.igcombo#events:dropDownOpened) events.
     */
    openDropDown(callback?: Function, focusCombo?: boolean, event?: Object): Object;
    /**
     * Closes the drop down.
     *
     * @param callback Specifies callback function to be executed when close animation is completed.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [dropDownClosing](ui.igcombo#events:dropDownClosing) and [dropDownClosed](ui.igcombo#events:dropDownClosed) events.
     */
    closeDropDown(callback?: Function, event?: Object): Object;
    /**
     * Clears the input text, resets highlighting, filtering and selection.
     *
     * @param options     Object with set of options controlling the behavior of this api method.
     focusCombo (boolean): Set to true to focus combo after clearing the input.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    clearInput(options?: Object, event?: Object): Object;
    /**
     * Verifies whether a specified value is selected.
     *
     * @param value Value matching the [valueKey](ui.igcombo#options:valueKey) property of item to be tested if it is selected
     */
    isValueSelected(value: Object): boolean;
    /**
     * Verifies whether the li representing the data source's record at the specified index is selected.
     *
     * @param index Index of data source record
     */
    isIndexSelected(index: Object): boolean;
    /**
     * Selects list item/items from the drop-down list by specified value or array of values. When called witout params will return the value of the selected item or if [multiSelection](ui.igcombo#options:multiSelection) is enabled array of selected values.
     *
     * @param value Value or array of values matching the valueKey property of item/items to be selected
     * @param options Object with set of options controlling the behavior of this api method.
                    closeDropDown (boolean): Set to true to close the drop down list after the selection.
                    focusCombo (boolean): Set to true to focus combo after the selection.
                    additive (boolean): Set to true to select the item without losing other selection. Works only when multi selection is enabled.
                    keepFiltering (boolean): Set to true to keep filtering after the selection. By default the filtering is cleared.
                    keepInputText (boolean): Set to true to keep input text unchanged after the selection. By default input text is updated.
                    keepHighlighting (boolean): Set to true to keep highlighting unchanged after the selection. By default highlighting is removed.
                    keepNavItem (boolean): Set to true to keep current navigation item unchanged after the selection. By default the navigation item is changed to the new selected item.
                    keepScrollPosition (boolean): Set to true to keep current scroll position. By default the scroll position will change so that the last selected item is visible.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    value(value?: Object, options?: Object, event?: Object): Object;
    /**
     * Selects a list item from the drop-down list.
     *
     * @param $items jQuery object with item or items to be selected.
     * @param options Object with set of options controlling the behavior of this api method.
                    closeDropDown (boolean): Set to true to close the drop down list after the selection.
                    focusCombo (boolean): Set to true to focus combo after the selection.
                    additive (boolean): Set to true to select the item without losing other selection. Works only when multi selection is enabled.
                    keepFiltering (boolean): Set to true to keep filtering after the selection. By default the filtering is cleared.
                    keepInputText (boolean): Set to true to keep input text unchanged after the selection. By default input text is updated.
                    keepHighlighting (boolean): Set to true to keep highlighting unchanged after the selection. By default highlighting is removed.
                    keepNavItem (boolean): Set to true to keep current navigation item unchanged after the selection. By default the navigation item is changed to the new selected item.
                    keepScrollPosition (boolean): Set to true to keep current scroll position. By default the scroll position will change so that the last selected item is visible.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    select($items: Object, options?: Object, event?: Object): Object;
    /**
     * Gets/Sets selected item/s from the drop-down list by specified index.
     *
     * @param index Index or array of indexes of items to be selected
     * @param options Object with set of options controlling the behavior of this api method.
                    closeDropDown (boolean): Set to true to close the drop down list after the selection.
                    focusCombo (boolean): Set to true to focus combo after the selection.
                    additive (boolean): Set to true to select the item without losing other selection. Works only when multi selection is enabled.
                    keepFiltering (boolean): Set to true to keep filtering after the selection. By default the filtering is cleared.
                    keepInputText (boolean): Set to true to keep input text unchanged after the selection. By default input text is updated.
                    keepHighlighting (boolean): Set to true to keep highlighting unchanged after the selection. By default highlighting is removed.
                    keepNavItem (boolean): Set to true to keep current navigation item unchanged after the selection. By default the navigation item is changed to the new selected item.
                    keepScrollPosition (boolean): Set to true to keep current scroll position. By default the scroll position will change so that the last selected item is visible.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    index(index?: Object, options?: Object, event?: Object): Object;
    /**
     * Selects all items from the drop-down list.
     *
     * @param options Object with set of options controlling the behavior of this api method.
                    closeDropDown (boolean): Set to true to close the drop down list after the selection.
                    focusCombo (boolean): Set to true to focus combo after the selection.
                    keepFiltering (boolean): Set to true to keep filtering after the selection. By default the filtering is cleared.
                    keepInputText (boolean): Set to true to keep input text unchanged after the selection. By default input text is updated.
                    keepHighlighting (boolean): Set to true to keep highlighting unchanged after the selection. By default highlighting is removed.
                    keepNavItem (boolean): Set to true to keep current navigation item unchanged after the selection. By default the navigation item is changed to the new selected item.
                    keepScrollPosition (boolean): Set to true to keep current scroll position. By default the scroll position will change so that the last selected item is visible.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    selectAll(options?: Object, event?: Object): Object;
    /**
     * Deselects a list item from the drop down list by value.
     *
     * @param value Value or array of values matching the [valueKey](ui.igcombo#options:valueKey) property of item/items to be deselected
     * @param options Object with set of options controlling the behavior of this api method.
                    focusCombo (boolean): Set to true to focus combo after the deselection.
                    keepInputText (boolean): Set to true to keep input text unchanged after the deselection. By default input text is updated.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    deselectByValue(value: Object, options?: Object, event?: Object): Object;
    /**
     * Deselects a list item from the drop down list.
     *
     * @param $items jQuery object with item or items to be deselected
     * @param options Object with set of options controlling the behavior of this api method.
                    focusCombo (boolean): Set to true to focus combo after the deselection.
                    keepInputText (boolean): Set to true to keep input text unchanged after the deselection. By default input text is updated.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    deselect($items: Object, options?: Object, event?: Object): Object;
    /**
     * Deselects a list item from the drop down list by index.
     *
     * @param index Index or array of indexes of items to be selected
     * @param options Object with set of options controlling the behavior of this api method.
                    focusCombo (boolean): Set to true to focus combo after the deselection.
                    keepInputText (boolean): Set to true to keep input text unchanged after the deselection. By default input text is updated.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    deselectByIndex(index: Object, options?: Object, event?: Object): Object;
    /**
     * Deselects all selected items from the drop down list.
     *
     * @param options Object with set of options controlling the behavior of this api method.
                    focusCombo (boolean): Set to true to focus combo after the deselection.
                    keepInputText (boolean): Set to true to keep input text unchanged after the deselection. By default input text is updated.
     * @param event Indicates the browser event which triggered this action (not API). Calling the method with this param set to "true" will trigger [selectionChanging](ui.igcombo#events:selectionChanging) and [selectionChanged](ui.igcombo#events:selectionChanged) events.
     */
    deselectAll(options?: Object, event?: Object): Object;
    /**
     * Gets/Sets index of active item in list.
     *
     * @param index New active index for list. In order to clear active item, use -1.
     * @return number|object Returns index of active item in list or -1, if parameter is undefined. Otherwise, it returns reference to this igCombo.
     */
    activeIndex(index?: number): number | Object;
    /**
     * Gets/Sets text in text input field.
     *
     * @param text New text value for combo's input field.
     * @return string|object If parameter is undefined, then current text in field is returned. Otherwise, it returns reference to this igCombo.
     */
    text(text?: string): string | Object;
    /**
     * Gets/Sets scrollTop attribute of html element, which scrolls drop-down list of items.
     *
     * @param value New value for scroll top in list. Note: if list is closed and new value is provided, then openDropDown() is called automatically.
     * @return number|object If parameter is undefined, then scrollTop is returned. Otherwise, it returns reference to this igCombo.
     */
    listScrollTop(value?: number): number | Object;
    /**
     * Gets jQuery objects representing all rendered list items in the combo drop down list.
     */
    listItems(): Object;
    /**
     * Gets jQuery object of the outer element of the combo.
     */
    comboWrapper(): Object;
    /**
     * Gets jQuery object of the drop down associated with this combo widget
     */
    dropDown(): Object;
    /**
     * Gets jQuery object of the container that holds the list with items.
     */
    list(): Object;
    /**
     * Gets jQuery object of the text input associated with this combo widget.
     */
    textInput(): Object;
    /**
     * Gets jQuery object of the value input associated with this combo widget.
     */
    valueInput(): Object;
    /**
     * Gets reference to [igValidator](ui.igvalidator) used by igCombo.
     *
     * @param destroy Request to destroy validator.
     */
    validator(destroy?: boolean): Object;
    /**
     * Trigger validation.
     */
    validate(): boolean;
    /**
     * Returns boolean representing whether the combo drop down list is opened.
     */
    dropDownOpened(): boolean;
    /**
     * Repositions drop down under combo input. Has effect only when the drop down is attached to body.
     */
    positionDropDown(): Object;
    /**
     * Destroys the igCombo widget.
     */
    destroy(): Object;
}