@angular/material
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Angular Material
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JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { __extends } from 'tslib';
import * as tslib_1 from 'tslib';
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ContentChildren, Directive, ElementRef, EventEmitter, Host, Inject, InjectionToken, Input, NgModule, NgZone, Optional, Output, TemplateRef, ViewChild, ViewContainerRef, ViewEncapsulation, forwardRef } from '@angular/core';
import { MAT_OPTION_PARENT_COMPONENT, MatCommonModule, MatOptgroup, MatOption, MatOptionModule, _countGroupLabelsBeforeOption, _getOptionScrollPosition, mixinDisableRipple } from '@angular/material/core';
import { ActiveDescendantKeyManager } from '@angular/cdk/a11y';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { CommonModule, DOCUMENT } from '@angular/common';
import { Overlay, OverlayConfig, OverlayModule } from '@angular/cdk/overlay';
import { Directionality } from '@angular/cdk/bidi';
import { DOWN_ARROW, ENTER, ESCAPE, TAB, UP_ARROW } from '@angular/cdk/keycodes';
import { TemplatePortal } from '@angular/cdk/portal';
import { filter } from 'rxjs/operators/filter';
import { take } from 'rxjs/operators/take';
import { switchMap } from 'rxjs/operators/switchMap';
import { tap } from 'rxjs/operators/tap';
import { delay } from 'rxjs/operators/delay';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { MatFormField } from '@angular/material/form-field';
import { Subject } from 'rxjs/Subject';
import { defer } from 'rxjs/observable/defer';
import { fromEvent } from 'rxjs/observable/fromEvent';
import { merge } from 'rxjs/observable/merge';
import { of } from 'rxjs/observable/of';
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
/**
* Autocomplete IDs need to be unique across components, so this counter exists outside of
* the component definition.
*/
var _uniqueAutocompleteIdCounter = 0;
/**
* Event object that is emitted when an autocomplete option is selected.
*/
var MatAutocompleteSelectedEvent = /** @class */ (function () {
function MatAutocompleteSelectedEvent(source, option) {
this.source = source;
this.option = option;
}
return MatAutocompleteSelectedEvent;
}());
/**
* \@docs-private
*/
var MatAutocompleteBase = /** @class */ (function () {
function MatAutocompleteBase() {
}
return MatAutocompleteBase;
}());
var _MatAutocompleteMixinBase = mixinDisableRipple(MatAutocompleteBase);
/**
* Default `mat-autocomplete` options that can be overridden.
* @record
*/
/**
* Injection token to be used to override the default options for `mat-autocomplete`.
*/
var MAT_AUTOCOMPLETE_DEFAULT_OPTIONS = new InjectionToken('mat-autocomplete-default-options');
var MatAutocomplete = /** @class */ (function (_super) {
__extends(MatAutocomplete, _super);
function MatAutocomplete(_changeDetectorRef, _elementRef,
// @deletion-target Turn into required param in 6.0.0
defaults) {
var _this = _super.call(this) || this;
_this._changeDetectorRef = _changeDetectorRef;
_this._elementRef = _elementRef;
/**
* Whether the autocomplete panel should be visible, depending on option length.
*/
_this.showPanel = false;
_this._isOpen = false;
/**
* Function that maps an option's control value to its display value in the trigger.
*/
_this.displayWith = null;
/**
* Event that is emitted whenever an option from the list is selected.
*/
_this.optionSelected = new EventEmitter();
_this._classList = {};
/**
* Unique ID to be used by autocomplete trigger's "aria-owns" property.
*/
_this.id = "mat-autocomplete-" + _uniqueAutocompleteIdCounter++;
_this._autoActiveFirstOption = defaults &&
typeof defaults.autoActiveFirstOption !== 'undefined' ?
defaults.autoActiveFirstOption :
false;
return _this;
}
Object.defineProperty(MatAutocomplete.prototype, "isOpen", {
/** Whether the autocomplete panel is open. */
get: /**
* Whether the autocomplete panel is open.
* @return {?}
*/
function () { return this._isOpen && this.showPanel; },
enumerable: true,
configurable: true
});
Object.defineProperty(MatAutocomplete.prototype, "autoActiveFirstOption", {
get: /**
* Whether the first option should be highlighted when the autocomplete panel is opened.
* Can be configured globally through the `MAT_AUTOCOMPLETE_DEFAULT_OPTIONS` token.
* @return {?}
*/
function () { return this._autoActiveFirstOption; },
set: /**
* @param {?} value
* @return {?}
*/
function (value) {
this._autoActiveFirstOption = coerceBooleanProperty(value);
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatAutocomplete.prototype, "classList", {
set: /**
* Takes classes set on the host mat-autocomplete element and applies them to the panel
* inside the overlay container to allow for easy styling.
* @param {?} value
* @return {?}
*/
function (value) {
var _this = this;
if (value && value.length) {
value.split(' ').forEach(function (className) { return _this._classList[className.trim()] = true; });
this._elementRef.nativeElement.className = '';
}
},
enumerable: true,
configurable: true
});
/**
* @return {?}
*/
MatAutocomplete.prototype.ngAfterContentInit = /**
* @return {?}
*/
function () {
this._keyManager = new ActiveDescendantKeyManager(this.options).withWrap();
// Set the initial visibiity state.
this._setVisibility();
};
/**
* Sets the panel scrollTop. This allows us to manually scroll to display options
* above or below the fold, as they are not actually being focused when active.
*/
/**
* Sets the panel scrollTop. This allows us to manually scroll to display options
* above or below the fold, as they are not actually being focused when active.
* @param {?} scrollTop
* @return {?}
*/
MatAutocomplete.prototype._setScrollTop = /**
* Sets the panel scrollTop. This allows us to manually scroll to display options
* above or below the fold, as they are not actually being focused when active.
* @param {?} scrollTop
* @return {?}
*/
function (scrollTop) {
if (this.panel) {
this.panel.nativeElement.scrollTop = scrollTop;
}
};
/** Returns the panel's scrollTop. */
/**
* Returns the panel's scrollTop.
* @return {?}
*/
MatAutocomplete.prototype._getScrollTop = /**
* Returns the panel's scrollTop.
* @return {?}
*/
function () {
return this.panel ? this.panel.nativeElement.scrollTop : 0;
};
/** Panel should hide itself when the option list is empty. */
/**
* Panel should hide itself when the option list is empty.
* @return {?}
*/
MatAutocomplete.prototype._setVisibility = /**
* Panel should hide itself when the option list is empty.
* @return {?}
*/
function () {
this.showPanel = !!this.options.length;
this._classList['mat-autocomplete-visible'] = this.showPanel;
this._classList['mat-autocomplete-hidden'] = !this.showPanel;
this._changeDetectorRef.markForCheck();
};
/** Emits the `select` event. */
/**
* Emits the `select` event.
* @param {?} option
* @return {?}
*/
MatAutocomplete.prototype._emitSelectEvent = /**
* Emits the `select` event.
* @param {?} option
* @return {?}
*/
function (option) {
var /** @type {?} */ event = new MatAutocompleteSelectedEvent(this, option);
this.optionSelected.emit(event);
};
MatAutocomplete.decorators = [
{ type: Component, args: [{selector: 'mat-autocomplete',
template: "<ng-template><div class=\"mat-autocomplete-panel\" role=\"listbox\" [id]=\"id\" [ngClass]=\"_classList\" #panel><ng-content></ng-content></div></ng-template>",
styles: [".mat-autocomplete-panel{-webkit-backface-visibility:hidden;backface-visibility:hidden;min-width:112px;max-width:280px;overflow:auto;-webkit-overflow-scrolling:touch;visibility:hidden;max-width:none;max-height:256px;position:relative}.mat-autocomplete-panel:not([class*=mat-elevation-z]){box-shadow:0 5px 5px -3px rgba(0,0,0,.2),0 8px 10px 1px rgba(0,0,0,.14),0 3px 14px 2px rgba(0,0,0,.12)}.mat-autocomplete-panel.mat-autocomplete-visible{visibility:visible}.mat-autocomplete-panel.mat-autocomplete-hidden{visibility:hidden}"],
encapsulation: ViewEncapsulation.None,
preserveWhitespaces: false,
changeDetection: ChangeDetectionStrategy.OnPush,
exportAs: 'matAutocomplete',
inputs: ['disableRipple'],
host: {
'class': 'mat-autocomplete'
},
providers: [
{ provide: MAT_OPTION_PARENT_COMPONENT, useExisting: MatAutocomplete }
]
},] },
];
/** @nocollapse */
MatAutocomplete.ctorParameters = function () { return [
{ type: ChangeDetectorRef, },
{ type: ElementRef, },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_AUTOCOMPLETE_DEFAULT_OPTIONS,] },] },
]; };
MatAutocomplete.propDecorators = {
"template": [{ type: ViewChild, args: [TemplateRef,] },],
"panel": [{ type: ViewChild, args: ['panel',] },],
"options": [{ type: ContentChildren, args: [MatOption, { descendants: true },] },],
"optionGroups": [{ type: ContentChildren, args: [MatOptgroup,] },],
"displayWith": [{ type: Input },],
"autoActiveFirstOption": [{ type: Input },],
"optionSelected": [{ type: Output },],
"classList": [{ type: Input, args: ['class',] },],
};
return MatAutocomplete;
}(_MatAutocompleteMixinBase));
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
/**
* The height of each autocomplete option.
*/
var AUTOCOMPLETE_OPTION_HEIGHT = 48;
/**
* The total height of the autocomplete panel.
*/
var AUTOCOMPLETE_PANEL_HEIGHT = 256;
/**
* Injection token that determines the scroll handling while the autocomplete panel is open.
*/
var MAT_AUTOCOMPLETE_SCROLL_STRATEGY = new InjectionToken('mat-autocomplete-scroll-strategy');
/**
* \@docs-private
* @param {?} overlay
* @return {?}
*/
function MAT_AUTOCOMPLETE_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {
return function () { return overlay.scrollStrategies.reposition(); };
}
/**
* \@docs-private
*/
var MAT_AUTOCOMPLETE_SCROLL_STRATEGY_PROVIDER = {
provide: MAT_AUTOCOMPLETE_SCROLL_STRATEGY,
deps: [Overlay],
useFactory: MAT_AUTOCOMPLETE_SCROLL_STRATEGY_PROVIDER_FACTORY,
};
/**
* Provider that allows the autocomplete to register as a ControlValueAccessor.
* \@docs-private
*/
var MAT_AUTOCOMPLETE_VALUE_ACCESSOR = {
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(function () { return MatAutocompleteTrigger; }),
multi: true
};
/**
* Creates an error to be thrown when attempting to use an autocomplete trigger without a panel.
* @return {?}
*/
function getMatAutocompleteMissingPanelError() {
return Error('Attempting to open an undefined instance of `mat-autocomplete`. ' +
'Make sure that the id passed to the `matAutocomplete` is correct and that ' +
'you\'re attempting to open it after the ngAfterContentInit hook.');
}
var MatAutocompleteTrigger = /** @class */ (function () {
function MatAutocompleteTrigger(_element, _overlay, _viewContainerRef, _zone, _changeDetectorRef, _scrollStrategy, _dir, _formField, _document) {
var _this = this;
this._element = _element;
this._overlay = _overlay;
this._viewContainerRef = _viewContainerRef;
this._zone = _zone;
this._changeDetectorRef = _changeDetectorRef;
this._scrollStrategy = _scrollStrategy;
this._dir = _dir;
this._formField = _formField;
this._document = _document;
this._componentDestroyed = false;
/**
* Whether or not the label state is being overridden.
*/
this._manuallyFloatingLabel = false;
/**
* Stream of keyboard events that can close the panel.
*/
this._closeKeyEventStream = new Subject();
/**
* `View -> model callback called when value changes`
*/
this._onChange = function () { };
/**
* `View -> model callback called when autocomplete has been touched`
*/
this._onTouched = function () { };
this._panelOpen = false;
/**
* Stream of autocomplete option selections.
*/
this.optionSelections = defer(function () {
if (_this.autocomplete && _this.autocomplete.options) {
return merge.apply(void 0, _this.autocomplete.options.map(function (option) { return option.onSelectionChange; }));
}
// If there are any subscribers before `ngAfterViewInit`, the `autocomplete` will be undefined.
// Return a stream that we'll replace with the real one once everything is in place.
return _this._zone.onStable
.asObservable()
.pipe(take(1), switchMap(function () { return _this.optionSelections; }));
});
}
/**
* @return {?}
*/
MatAutocompleteTrigger.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
this._componentDestroyed = true;
this._destroyPanel();
this._closeKeyEventStream.complete();
};
Object.defineProperty(MatAutocompleteTrigger.prototype, "panelOpen", {
/** Whether or not the autocomplete panel is open. */
get: /**
* Whether or not the autocomplete panel is open.
* @return {?}
*/
function () { return this._panelOpen && this.autocomplete.showPanel; },
enumerable: true,
configurable: true
});
/** Opens the autocomplete suggestion panel. */
/**
* Opens the autocomplete suggestion panel.
* @return {?}
*/
MatAutocompleteTrigger.prototype.openPanel = /**
* Opens the autocomplete suggestion panel.
* @return {?}
*/
function () {
this._attachOverlay();
this._floatLabel();
};
/** Closes the autocomplete suggestion panel. */
/**
* Closes the autocomplete suggestion panel.
* @return {?}
*/
MatAutocompleteTrigger.prototype.closePanel = /**
* Closes the autocomplete suggestion panel.
* @return {?}
*/
function () {
this._resetLabel();
if (this._panelOpen) {
this.autocomplete._isOpen = this._panelOpen = false;
if (this._overlayRef && this._overlayRef.hasAttached()) {
this._overlayRef.detach();
this._closingActionsSubscription.unsubscribe();
}
// Note that in some cases this can end up being called after the component is destroyed.
// Add a check to ensure that we don't try to run change detection on a destroyed view.
if (!this._componentDestroyed) {
// We need to trigger change detection manually, because
// `fromEvent` doesn't seem to do it at the proper time.
// This ensures that the label is reset when the
// user clicks outside.
this._changeDetectorRef.detectChanges();
}
}
};
Object.defineProperty(MatAutocompleteTrigger.prototype, "panelClosingActions", {
/**
* A stream of actions that should close the autocomplete panel, including
* when an option is selected, on blur, and when TAB is pressed.
*/
get: /**
* A stream of actions that should close the autocomplete panel, including
* when an option is selected, on blur, and when TAB is pressed.
* @return {?}
*/
function () {
var _this = this;
return merge(this.optionSelections, this.autocomplete._keyManager.tabOut.pipe(filter(function () { return _this._panelOpen; })), this._closeKeyEventStream, this._outsideClickStream, this._overlayRef ?
this._overlayRef.detachments().pipe(filter(function () { return _this._panelOpen; })) :
of());
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatAutocompleteTrigger.prototype, "activeOption", {
/** The currently active option, coerced to MatOption type. */
get: /**
* The currently active option, coerced to MatOption type.
* @return {?}
*/
function () {
if (this.autocomplete && this.autocomplete._keyManager) {
return this.autocomplete._keyManager.activeItem;
}
return null;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatAutocompleteTrigger.prototype, "_outsideClickStream", {
get: /**
* Stream of clicks outside of the autocomplete panel.
* @return {?}
*/
function () {
var _this = this;
if (!this._document) {
return of(null);
}
return merge(fromEvent(this._document, 'click'), fromEvent(this._document, 'touchend'))
.pipe(filter(function (event) {
var /** @type {?} */ clickTarget = /** @type {?} */ (event.target);
var /** @type {?} */ formField = _this._formField ?
_this._formField._elementRef.nativeElement : null;
return _this._panelOpen &&
clickTarget !== _this._element.nativeElement &&
(!formField || !formField.contains(clickTarget)) &&
(!!_this._overlayRef && !_this._overlayRef.overlayElement.contains(clickTarget));
}));
},
enumerable: true,
configurable: true
});
// Implemented as part of ControlValueAccessor.
/**
* @param {?} value
* @return {?}
*/
MatAutocompleteTrigger.prototype.writeValue = /**
* @param {?} value
* @return {?}
*/
function (value) {
var _this = this;
Promise.resolve(null).then(function () { return _this._setTriggerValue(value); });
};
// Implemented as part of ControlValueAccessor.
/**
* @param {?} fn
* @return {?}
*/
MatAutocompleteTrigger.prototype.registerOnChange = /**
* @param {?} fn
* @return {?}
*/
function (fn) {
this._onChange = fn;
};
// Implemented as part of ControlValueAccessor.
/**
* @param {?} fn
* @return {?}
*/
MatAutocompleteTrigger.prototype.registerOnTouched = /**
* @param {?} fn
* @return {?}
*/
function (fn) {
this._onTouched = fn;
};
// Implemented as part of ControlValueAccessor.
/**
* @param {?} isDisabled
* @return {?}
*/
MatAutocompleteTrigger.prototype.setDisabledState = /**
* @param {?} isDisabled
* @return {?}
*/
function (isDisabled) {
this._element.nativeElement.disabled = isDisabled;
};
/**
* @param {?} event
* @return {?}
*/
MatAutocompleteTrigger.prototype._handleKeydown = /**
* @param {?} event
* @return {?}
*/
function (event) {
var /** @type {?} */ keyCode = event.keyCode;
// Prevent the default action on all escape key presses. This is here primarily to bring IE
// in line with other browsers. By default, pressing escape on IE will cause it to revert
// the input value to the one that it had on focus, however it won't dispatch any events
// which means that the model value will be out of sync with the view.
if (keyCode === ESCAPE) {
event.preventDefault();
}
// Close when pressing ESCAPE or ALT + UP_ARROW, based on the a11y guidelines.
// See: https://www.w3.org/TR/wai-aria-practices-1.1/#textbox-keyboard-interaction
if (this.panelOpen && (keyCode === ESCAPE || (keyCode === UP_ARROW && event.altKey))) {
this._resetActiveItem();
this._closeKeyEventStream.next();
event.stopPropagation();
}
else if (this.activeOption && keyCode === ENTER && this.panelOpen) {
this.activeOption._selectViaInteraction();
this._resetActiveItem();
event.preventDefault();
}
else {
var /** @type {?} */ prevActiveItem = this.autocomplete._keyManager.activeItem;
var /** @type {?} */ isArrowKey = keyCode === UP_ARROW || keyCode === DOWN_ARROW;
if (this.panelOpen || keyCode === TAB) {
this.autocomplete._keyManager.onKeydown(event);
}
else if (isArrowKey && this._canOpen()) {
this.openPanel();
}
if (isArrowKey || this.autocomplete._keyManager.activeItem !== prevActiveItem) {
this._scrollToOption();
}
}
};
/**
* @param {?} event
* @return {?}
*/
MatAutocompleteTrigger.prototype._handleInput = /**
* @param {?} event
* @return {?}
*/
function (event) {
var /** @type {?} */ target = /** @type {?} */ (event.target);
var /** @type {?} */ value = target.value;
// Based on `NumberValueAccessor` from forms.
if (target.type === 'number') {
value = value == '' ? null : parseFloat(value);
}
// If the input has a placeholder, IE will fire the `input` event on page load,
// focus and blur, in addition to when the user actually changed the value. To
// filter out all of the extra events, we save the value on focus and between
// `input` events, and we check whether it changed.
// See: https://connect.microsoft.com/IE/feedback/details/885747/
if (this._canOpen() && this._previousValue !== value &&
document.activeElement === event.target) {
this._previousValue = value;
this._onChange(value);
this.openPanel();
}
};
/**
* @return {?}
*/
MatAutocompleteTrigger.prototype._handleFocus = /**
* @return {?}
*/
function () {
if (this._canOpen()) {
this._previousValue = this._element.nativeElement.value;
this._attachOverlay();
this._floatLabel(true);
}
};
/**
* In "auto" mode, the label will animate down as soon as focus is lost.
* This causes the value to jump when selecting an option with the mouse.
* This method manually floats the label until the panel can be closed.
* @param {?=} shouldAnimate Whether the label should be animated when it is floated.
* @return {?}
*/
MatAutocompleteTrigger.prototype._floatLabel = /**
* In "auto" mode, the label will animate down as soon as focus is lost.
* This causes the value to jump when selecting an option with the mouse.
* This method manually floats the label until the panel can be closed.
* @param {?=} shouldAnimate Whether the label should be animated when it is floated.
* @return {?}
*/
function (shouldAnimate) {
if (shouldAnimate === void 0) { shouldAnimate = false; }
if (this._formField && this._formField.floatLabel === 'auto') {
if (shouldAnimate) {
this._formField._animateAndLockLabel();
}
else {
this._formField.floatLabel = 'always';
}
this._manuallyFloatingLabel = true;
}
};
/**
* If the label has been manually elevated, return it to its normal state.
* @return {?}
*/
MatAutocompleteTrigger.prototype._resetLabel = /**
* If the label has been manually elevated, return it to its normal state.
* @return {?}
*/
function () {
if (this._manuallyFloatingLabel) {
this._formField.floatLabel = 'auto';
this._manuallyFloatingLabel = false;
}
};
/**
* Given that we are not actually focusing active options, we must manually adjust scroll
* to reveal options below the fold. First, we find the offset of the option from the top
* of the panel. If that offset is below the fold, the new scrollTop will be the offset -
* the panel height + the option height, so the active option will be just visible at the
* bottom of the panel. If that offset is above the top of the visible panel, the new scrollTop
* will become the offset. If that offset is visible within the panel already, the scrollTop is
* not adjusted.
* @return {?}
*/
MatAutocompleteTrigger.prototype._scrollToOption = /**
* Given that we are not actually focusing active options, we must manually adjust scroll
* to reveal options below the fold. First, we find the offset of the option from the top
* of the panel. If that offset is below the fold, the new scrollTop will be the offset -
* the panel height + the option height, so the active option will be just visible at the
* bottom of the panel. If that offset is above the top of the visible panel, the new scrollTop
* will become the offset. If that offset is visible within the panel already, the scrollTop is
* not adjusted.
* @return {?}
*/
function () {
var /** @type {?} */ index = this.autocomplete._keyManager.activeItemIndex || 0;
var /** @type {?} */ labelCount = _countGroupLabelsBeforeOption(index, this.autocomplete.options, this.autocomplete.optionGroups);
var /** @type {?} */ newScrollPosition = _getOptionScrollPosition(index + labelCount, AUTOCOMPLETE_OPTION_HEIGHT, this.autocomplete._getScrollTop(), AUTOCOMPLETE_PANEL_HEIGHT);
this.autocomplete._setScrollTop(newScrollPosition);
};
/**
* This method listens to a stream of panel closing actions and resets the
* stream every time the option list changes.
* @return {?}
*/
MatAutocompleteTrigger.prototype._subscribeToClosingActions = /**
* This method listens to a stream of panel closing actions and resets the
* stream every time the option list changes.
* @return {?}
*/
function () {
var _this = this;
var /** @type {?} */ firstStable = this._zone.onStable.asObservable().pipe(take(1));
var /** @type {?} */ optionChanges = this.autocomplete.options.changes.pipe(tap(function () { return _this._positionStrategy.recalculateLastPosition(); }),
// Defer emitting to the stream until the next tick, because changing
// bindings in here will cause "changed after checked" errors.
delay(0));
// When the zone is stable initially, and when the option list changes...
return merge(firstStable, optionChanges)
.pipe(
// create a new stream of panelClosingActions, replacing any previous streams
// that were created, and flatten it so our stream only emits closing events...
switchMap(function () {
_this._resetActiveItem();
_this.autocomplete._setVisibility();
return _this.panelClosingActions;
}),
// when the first closing event occurs...
take(1))
.subscribe(function (event) { return _this._setValueAndClose(event); });
};
/**
* Destroys the autocomplete suggestion panel.
* @return {?}
*/
MatAutocompleteTrigger.prototype._destroyPanel = /**
* Destroys the autocomplete suggestion panel.
* @return {?}
*/
function () {
if (this._overlayRef) {
this.closePanel();
this._overlayRef.dispose();
this._overlayRef = null;
}
};
/**
* @param {?} value
* @return {?}
*/
MatAutocompleteTrigger.prototype._setTriggerValue = /**
* @param {?} value
* @return {?}
*/
function (value) {
var /** @type {?} */ toDisplay = this.autocomplete && this.autocomplete.displayWith ?
this.autocomplete.displayWith(value) :
value;
// Simply falling back to an empty string if the display value is falsy does not work properly.
// The display value can also be the number zero and shouldn't fall back to an empty string.
var /** @type {?} */ inputValue = toDisplay != null ? toDisplay : '';
// If it's used within a `MatFormField`, we should set it through the property so it can go
// through change detection.
if (this._formField) {
this._formField._control.value = inputValue;
}
else {
this._element.nativeElement.value = inputValue;
}
};
/**
* This method closes the panel, and if a value is specified, also sets the associated
* control to that value. It will also mark the control as dirty if this interaction
* stemmed from the user.
* @param {?} event
* @return {?}
*/
MatAutocompleteTrigger.prototype._setValueAndClose = /**
* This method closes the panel, and if a value is specified, also sets the associated
* control to that value. It will also mark the control as dirty if this interaction
* stemmed from the user.
* @param {?} event
* @return {?}
*/
function (event) {
if (event && event.source) {
this._clearPreviousSelectedOption(event.source);
this._setTriggerValue(event.source.value);
this._onChange(event.source.value);
this._element.nativeElement.focus();
this.autocomplete._emitSelectEvent(event.source);
}
this.closePanel();
};
/**
* Clear any previous selected option and emit a selection change event for this option
* @param {?} skip
* @return {?}
*/
MatAutocompleteTrigger.prototype._clearPreviousSelectedOption = /**
* Clear any previous selected option and emit a selection change event for this option
* @param {?} skip
* @return {?}
*/
function (skip) {
this.autocomplete.options.forEach(function (option) {
if (option != skip && option.selected) {
option.deselect();
}
});
};
/**
* @return {?}
*/
MatAutocompleteTrigger.prototype._attachOverlay = /**
* @return {?}
*/
function () {
if (!this.autocomplete) {
throw getMatAutocompleteMissingPanelError();
}
if (!this._overlayRef) {
this._portal = new TemplatePortal(this.autocomplete.template, this._viewContainerRef);
this._overlayRef = this._overlay.create(this._getOverlayConfig());
}
else {
/** Update the panel width, in case the host width has changed */
this._overlayRef.updateSize({ width: this._getHostWidth() });
}
if (this._overlayRef && !this._overlayRef.hasAttached()) {
this._overlayRef.attach(this._portal);
this._closingActionsSubscription = this._subscribeToClosingActions();
}
this.autocomplete._setVisibility();
this.autocomplete._isOpen = this._panelOpen = true;
};
/**
* @return {?}
*/
MatAutocompleteTrigger.prototype._getOverlayConfig = /**
* @return {?}
*/
function () {
return new OverlayConfig({
positionStrategy: this._getOverlayPosition(),
scrollStrategy: this._scrollStrategy(),
width: this._getHostWidth(),
direction: this._dir ? this._dir.value : 'ltr'
});
};
/**
* @return {?}
*/
MatAutocompleteTrigger.prototype._getOverlayPosition = /**
* @return {?}
*/
function () {
this._positionStrategy = this._overlay.position().connectedTo(this._getConnectedElement(), { originX: 'start', originY: 'bottom' }, { overlayX: 'start', overlayY: 'top' })
.withFallbackPosition({ originX: 'start', originY: 'top' }, { overlayX: 'start', overlayY: 'bottom' });
return this._positionStrategy;
};
/**
* @return {?}
*/
MatAutocompleteTrigger.prototype._getConnectedElement = /**
* @return {?}
*/
function () {
return this._formField ? this._formField._connectionContainerRef : this._element;
};
/**
* Returns the width of the input element, so the panel width can match it.
* @return {?}
*/
MatAutocompleteTrigger.prototype._getHostWidth = /**
* Returns the width of the input element, so the panel width can match it.
* @return {?}
*/
function () {
return this._getConnectedElement().nativeElement.getBoundingClientRect().width;
};
/**
* Resets the active item to -1 so arrow events will activate the
* correct options, or to 0 if the consumer opted into it.
* @return {?}
*/
MatAutocompleteTrigger.prototype._resetActiveItem = /**
* Resets the active item to -1 so arrow events will activate the
* correct options, or to 0 if the consumer opted into it.
* @return {?}
*/
function () {
this.autocomplete._keyManager.setActiveItem(this.autocomplete.autoActiveFirstOption ? 0 : -1);
};
/**
* Determines whether the panel can be opened.
* @return {?}
*/
MatAutocompleteTrigger.prototype._canOpen = /**
* Determines whether the panel can be opened.
* @return {?}
*/
function () {
var /** @type {?} */ element = this._element.nativeElement;
return !element.readOnly && !element.disabled;
};
MatAutocompleteTrigger.decorators = [
{ type: Directive, args: [{
selector: "input[matAutocomplete], textarea[matAutocomplete]",
host: {
'role': 'combobox',
'autocomplete': 'off',
'aria-autocomplete': 'list',
'[attr.aria-activedescendant]': 'activeOption?.id',
'[attr.aria-expanded]': 'panelOpen.toString()',
'[attr.aria-owns]': 'autocomplete?.id',
// Note: we use `focusin`, as opposed to `focus`, in order to open the panel
// a little earlier. This avoids issues where IE delays the focusing of the input.
'(focusin)': '_handleFocus()',
'(blur)': '_onTouched()',
'(input)': '_handleInput($event)',
'(keydown)': '_handleKeydown($event)',
},
exportAs: 'matAutocompleteTrigger',
providers: [MAT_AUTOCOMPLETE_VALUE_ACCESSOR]
},] },
];
/** @nocollapse */
MatAutocompleteTrigger.ctorParameters = function () { return [
{ type: ElementRef, },
{ type: Overlay, },
{ type: ViewContainerRef, },
{ type: NgZone, },
{ type: ChangeDetectorRef, },
{ type: undefined, decorators: [{ type: Inject, args: [MAT_AUTOCOMPLETE_SCROLL_STRATEGY,] },] },
{ type: Directionality, decorators: [{ type: Optional },] },
{ type: MatFormField, decorators: [{ type: Optional }, { type: Host },] },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] },] },
]; };
MatAutocompleteTrigger.propDecorators = {
"autocomplete": [{ type: Input, args: ['matAutocomplete',] },],
};
return MatAutocompleteTrigger;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
var MatAutocompleteModule = /** @class */ (function () {
function MatAutocompleteModule() {
}
MatAutocompleteModule.decorators = [
{ type: NgModule, args: [{
imports: [MatOptionModule, OverlayModule, MatCommonModule, CommonModule],
exports: [MatAutocomplete, MatOptionModule, MatAutocompleteTrigger, MatCommonModule],
declarations: [MatAutocomplete, MatAutocompleteTrigger],
providers: [MAT_AUTOCOMPLETE_SCROLL_STRATEGY_PROVIDER],
},] },
];
/** @nocollapse */
MatAutocompleteModule.ctorParameters = function () { return []; };
return MatAutocompleteModule;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
/**
* Generated bundle index. Do not edit.
*/
export { MatAutocompleteSelectedEvent, MatAutocompleteBase, _MatAutocompleteMixinBase, MAT_AUTOCOMPLETE_DEFAULT_OPTIONS, MatAutocomplete, MatAutocompleteModule, AUTOCOMPLETE_OPTION_HEIGHT, AUTOCOMPLETE_PANEL_HEIGHT, MAT_AUTOCOMPLETE_SCROLL_STRATEGY, MAT_AUTOCOMPLETE_SCROLL_STRATEGY_PROVIDER_FACTORY, MAT_AUTOCOMPLETE_SCROLL_STRATEGY_PROVIDER, MAT_AUTOCOMPLETE_VALUE_ACCESSOR, getMatAutocompleteMissingPanelError, MatAutocompleteTrigger };
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