import { SPACE, BACKSPACE, DELETE, HOME, END, TAB, hasModifierKey, ENTER } from '@angular/cdk/keycodes';
import { Directive, EventEmitter, ElementRef, NgZone, Optional, Inject, ChangeDetectorRef, Attribute, ContentChild, forwardRef, Input, Output, InjectionToken, Component, ViewEncapsulation, ChangeDetectionStrategy, Self, ContentChildren, NgModule } from '@angular/core';
import { mixinTabIndex, mixinColor, mixinDisableRipple, mixinDisabled, RippleRenderer, MAT_RIPPLE_GLOBAL_OPTIONS, mixinErrorState, ErrorStateMatcher } from '@angular/material/core';
import { __extends, __spread } from 'tslib';
import { DOCUMENT } from '@angular/common';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { Platform } from '@angular/cdk/platform';
import { Subject, merge } from 'rxjs';
import { take, takeUntil, startWith } from 'rxjs/operators';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import { FocusKeyManager } from '@angular/cdk/a11y';
import { Directionality } from '@angular/cdk/bidi';
import { SelectionModel } from '@angular/cdk/collections';
import { NgForm, FormGroupDirective, NgControl } from '@angular/forms';
import { MatFormFieldControl } from '@angular/material/form-field';
/**
* @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
*/
/** Event object emitted by MatChip when selected or deselected. */
var MatChipSelectionChange = /** @class */ (function () {
function MatChipSelectionChange(
/** Reference to the chip that emitted the event. */
source,
/** Whether the chip that emitted the event is selected. */
selected,
/** Whether the selection change was a result of a user interaction. */
isUserInput) {
if (isUserInput === void 0) { isUserInput = false; }
this.source = source;
this.selected = selected;
this.isUserInput = isUserInput;
}
return MatChipSelectionChange;
}());
// Boilerplate for applying mixins to MatChip.
/** @docs-private */
var MatChipBase = /** @class */ (function () {
function MatChipBase(_elementRef) {
this._elementRef = _elementRef;
}
return MatChipBase;
}());
var _MatChipMixinBase = mixinTabIndex(mixinColor(mixinDisableRipple(mixinDisabled(MatChipBase)), 'primary'), -1);
/**
* Dummy directive to add CSS class to chip avatar.
* @docs-private
*/
var MatChipAvatar = /** @class */ (function () {
function MatChipAvatar() {
}
MatChipAvatar.decorators = [
{ type: Directive, args: [{
selector: 'mat-chip-avatar, [matChipAvatar]',
host: { 'class': 'mat-chip-avatar' }
},] }
];
return MatChipAvatar;
}());
/**
* Dummy directive to add CSS class to chip trailing icon.
* @docs-private
*/
var MatChipTrailingIcon = /** @class */ (function () {
function MatChipTrailingIcon() {
}
MatChipTrailingIcon.decorators = [
{ type: Directive, args: [{
selector: 'mat-chip-trailing-icon, [matChipTrailingIcon]',
host: { 'class': 'mat-chip-trailing-icon' }
},] }
];
return MatChipTrailingIcon;
}());
/**
* Material design styled Chip component. Used inside the MatChipList component.
*/
var MatChip = /** @class */ (function (_super) {
__extends(MatChip, _super);
function MatChip(_elementRef, _ngZone, platform, globalRippleOptions,
// @breaking-change 8.0.0 `animationMode` parameter to become required.
animationMode,
// @breaking-change 9.0.0 `_changeDetectorRef` parameter to become required.
_changeDetectorRef, tabIndex,
// @breaking-change 11.0.0 `_document` parameter to become required.
_document) {
var _this = _super.call(this, _elementRef) || this;
_this._elementRef = _elementRef;
_this._ngZone = _ngZone;
_this._changeDetectorRef = _changeDetectorRef;
/** Whether the chip has focus. */
_this._hasFocus = false;
/** Whether the chip list is selectable */
_this.chipListSelectable = true;
/** Whether the chip list is in multi-selection mode. */
_this._chipListMultiple = false;
_this._selected = false;
_this._selectable = true;
_this._removable = true;
/** Emits when the chip is focused. */
_this._onFocus = new Subject();
/** Emits when the chip is blured. */
_this._onBlur = new Subject();
/** Emitted when the chip is selected or deselected. */
_this.selectionChange = new EventEmitter();
/** Emitted when the chip is destroyed. */
_this.destroyed = new EventEmitter();
/** Emitted when a chip is to be removed. */
_this.removed = new EventEmitter();
_this._addHostClassName();
// Dynamically create the ripple target, append it within the chip, and use it as the
// chip's ripple target. Adding the class '.mat-chip-ripple' ensures that it will have
// the proper styles.
_this._chipRippleTarget = (_document || document).createElement('div');
_this._chipRippleTarget.classList.add('mat-chip-ripple');
_this._elementRef.nativeElement.appendChild(_this._chipRippleTarget);
_this._chipRipple = new RippleRenderer(_this, _ngZone, _this._chipRippleTarget, platform);
_this._chipRipple.setupTriggerEvents(_elementRef);
_this.rippleConfig = globalRippleOptions || {};
_this._animationsDisabled = animationMode === 'NoopAnimations';
_this.tabIndex = tabIndex != null ? (parseInt(tabIndex) || -1) : -1;
return _this;
}
Object.defineProperty(MatChip.prototype, "rippleDisabled", {
/**
* Whether ripples are disabled on interaction
* @docs-private
*/
get: function () {
return this.disabled || this.disableRipple || !!this.rippleConfig.disabled;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChip.prototype, "selected", {
/** Whether the chip is selected. */
get: function () { return this._selected; },
set: function (value) {
var coercedValue = coerceBooleanProperty(value);
if (coercedValue !== this._selected) {
this._selected = coercedValue;
this._dispatchSelectionChange();
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChip.prototype, "value", {
/** The value of the chip. Defaults to the content inside `<mat-chip>` tags. */
get: function () {
return this._value !== undefined
? this._value
: this._elementRef.nativeElement.textContent;
},
set: function (value) { this._value = value; },
enumerable: true,
configurable: true
});
Object.defineProperty(MatChip.prototype, "selectable", {
/**
* Whether or not the chip is selectable. When a chip is not selectable,
* changes to its selected state are always ignored. By default a chip is
* selectable, and it becomes non-selectable if its parent chip list is
* not selectable.
*/
get: function () { return this._selectable && this.chipListSelectable; },
set: function (value) {
this._selectable = coerceBooleanProperty(value);
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChip.prototype, "removable", {
/**
* Determines whether or not the chip displays the remove styling and emits (removed) events.
*/
get: function () { return this._removable; },
set: function (value) {
this._removable = coerceBooleanProperty(value);
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChip.prototype, "ariaSelected", {
/** The ARIA selected applied to the chip. */
get: function () {
// Remove the `aria-selected` when the chip is deselected in single-selection mode, because
// it adds noise to NVDA users where "not selected" will be read out for each chip.
return this.selectable && (this._chipListMultiple || this.selected) ?
this.selected.toString() : null;
},
enumerable: true,
configurable: true
});
MatChip.prototype._addHostClassName = function () {
var basicChipAttrName = 'mat-basic-chip';
var element = this._elementRef.nativeElement;
if (element.hasAttribute(basicChipAttrName) ||
element.tagName.toLowerCase() === basicChipAttrName) {
element.classList.add(basicChipAttrName);
return;
}
else {
element.classList.add('mat-standard-chip');
}
};
MatChip.prototype.ngOnDestroy = function () {
this.destroyed.emit({ chip: this });
this._chipRipple._removeTriggerEvents();
};
/** Selects the chip. */
MatChip.prototype.select = function () {
if (!this._selected) {
this._selected = true;
this._dispatchSelectionChange();
this._markForCheck();
}
};
/** Deselects the chip. */
MatChip.prototype.deselect = function () {
if (this._selected) {
this._selected = false;
this._dispatchSelectionChange();
this._markForCheck();
}
};
/** Select this chip and emit selected event */
MatChip.prototype.selectViaInteraction = function () {
if (!this._selected) {
this._selected = true;
this._dispatchSelectionChange(true);
this._markForCheck();
}
};
/** Toggles the current selected state of this chip. */
MatChip.prototype.toggleSelected = function (isUserInput) {
if (isUserInput === void 0) { isUserInput = false; }
this._selected = !this.selected;
this._dispatchSelectionChange(isUserInput);
this._markForCheck();
return this.selected;
};
/** Allows for programmatic focusing of the chip. */
MatChip.prototype.focus = function () {
if (!this._hasFocus) {
this._elementRef.nativeElement.focus();
this._onFocus.next({ chip: this });
}
this._hasFocus = true;
};
/**
* Allows for programmatic removal of the chip. Called by the MatChipList when the DELETE or
* BACKSPACE keys are pressed.
*
* Informs any listeners of the removal request. Does not remove the chip from the DOM.
*/
MatChip.prototype.remove = function () {
if (this.removable) {
this.removed.emit({ chip: this });
}
};
/** Handles click events on the chip. */
MatChip.prototype._handleClick = function (event) {
if (this.disabled) {
event.preventDefault();
}
else {
event.stopPropagation();
}
};
/** Handle custom key presses. */
MatChip.prototype._handleKeydown = function (event) {
if (this.disabled) {
return;
}
switch (event.keyCode) {
case DELETE:
case BACKSPACE:
// If we are removable, remove the focused chip
this.remove();
// Always prevent so page navigation does not occur
event.preventDefault();
break;
case SPACE:
// If we are selectable, toggle the focused chip
if (this.selectable) {
this.toggleSelected(true);
}
// Always prevent space from scrolling the page since the list has focus
event.preventDefault();
break;
}
};
MatChip.prototype._blur = function () {
var _this = this;
// When animations are enabled, Angular may end up removing the chip from the DOM a little
// earlier than usual, causing it to be blurred and throwing off the logic in the chip list
// that moves focus not the next item. To work around the issue, we defer marking the chip
// as not focused until the next time the zone stabilizes.
this._ngZone.onStable
.asObservable()
.pipe(take(1))
.subscribe(function () {
_this._ngZone.run(function () {
_this._hasFocus = false;
_this._onBlur.next({ chip: _this });
});
});
};
MatChip.prototype._dispatchSelectionChange = function (isUserInput) {
if (isUserInput === void 0) { isUserInput = false; }
this.selectionChange.emit({
source: this,
isUserInput: isUserInput,
selected: this._selected
});
};
MatChip.prototype._markForCheck = function () {
// @breaking-change 9.0.0 Remove this method once the _changeDetectorRef is a required param.
if (this._changeDetectorRef) {
this._changeDetectorRef.markForCheck();
}
};
MatChip.decorators = [
{ type: Directive, args: [{
selector: "mat-basic-chip, [mat-basic-chip], mat-chip, [mat-chip]",
inputs: ['color', 'disabled', 'disableRipple', 'tabIndex'],
exportAs: 'matChip',
host: {
'class': 'mat-chip mat-focus-indicator',
'[attr.tabindex]': 'disabled ? null : tabIndex',
'role': 'option',
'[class.mat-chip-selected]': 'selected',
'[class.mat-chip-with-avatar]': 'avatar',
'[class.mat-chip-with-trailing-icon]': 'trailingIcon || removeIcon',
'[class.mat-chip-disabled]': 'disabled',
'[class._mat-animation-noopable]': '_animationsDisabled',
'[attr.disabled]': 'disabled || null',
'[attr.aria-disabled]': 'disabled.toString()',
'[attr.aria-selected]': 'ariaSelected',
'(click)': '_handleClick($event)',
'(keydown)': '_handleKeydown($event)',
'(focus)': 'focus()',
'(blur)': '_blur()',
},
},] }
];
/** @nocollapse */
MatChip.ctorParameters = function () { return [
{ type: ElementRef },
{ type: NgZone },
{ type: Platform },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_RIPPLE_GLOBAL_OPTIONS,] }] },
{ type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] },
{ type: ChangeDetectorRef },
{ type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] }
]; };
MatChip.propDecorators = {
avatar: [{ type: ContentChild, args: [MatChipAvatar,] }],
trailingIcon: [{ type: ContentChild, args: [MatChipTrailingIcon,] }],
removeIcon: [{ type: ContentChild, args: [forwardRef(function () { return MatChipRemove; }),] }],
selected: [{ type: Input }],
value: [{ type: Input }],
selectable: [{ type: Input }],
removable: [{ type: Input }],
selectionChange: [{ type: Output }],
destroyed: [{ type: Output }],
removed: [{ type: Output }]
};
return MatChip;
}(_MatChipMixinBase));
/**
* Applies proper (click) support and adds styling for use with the Material Design "cancel" icon
* available at https://material.io/icons/#ic_cancel.
*
* Example:
*
* `<mat-chip>
* <mat-icon matChipRemove>cancel</mat-icon>
* </mat-chip>`
*
* You *may* use a custom icon, but you may need to override the `mat-chip-remove` positioning
* styles to properly center the icon within the chip.
*/
var MatChipRemove = /** @class */ (function () {
function MatChipRemove(_parentChip) {
this._parentChip = _parentChip;
}
/** Calls the parent chip's public `remove()` method if applicable. */
MatChipRemove.prototype._handleClick = function (event) {
var parentChip = this._parentChip;
if (parentChip.removable && !parentChip.disabled) {
parentChip.remove();
}
// We need to stop event propagation because otherwise the event will bubble up to the
// form field and cause the `onContainerClick` method to be invoked. This method would then
// reset the focused chip that has been focused after chip removal. Usually the parent
// the parent click listener of the `MatChip` would prevent propagation, but it can happen
// that the chip is being removed before the event bubbles up.
event.stopPropagation();
};
MatChipRemove.decorators = [
{ type: Directive, args: [{
selector: '[matChipRemove]',
host: {
'class': 'mat-chip-remove mat-chip-trailing-icon',
'(click)': '_handleClick($event)',
// Prevent accidental form submissions.
'type': 'button',
}
},] }
];
/** @nocollapse */
MatChipRemove.ctorParameters = function () { return [
{ type: MatChip }
]; };
return MatChipRemove;
}());
/**
* @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
*/
/** Injection token to be used to override the default options for the chips module. */
var MAT_CHIPS_DEFAULT_OPTIONS = new InjectionToken('mat-chips-default-options');
/**
* @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
*/
// Boilerplate for applying mixins to MatChipList.
/** @docs-private */
var MatChipListBase = /** @class */ (function () {
function MatChipListBase(_defaultErrorStateMatcher, _parentForm, _parentFormGroup,
/** @docs-private */
ngControl) {
this._defaultErrorStateMatcher = _defaultErrorStateMatcher;
this._parentForm = _parentForm;
this._parentFormGroup = _parentFormGroup;
this.ngControl = ngControl;
}
return MatChipListBase;
}());
var _MatChipListMixinBase = mixinErrorState(MatChipListBase);
// Increasing integer for generating unique ids for chip-list components.
var nextUniqueId = 0;
/** Change event object that is emitted when the chip list value has changed. */
var MatChipListChange = /** @class */ (function () {
function MatChipListChange(
/** Chip list that emitted the event. */
source,
/** Value of the chip list when the event was emitted. */
value) {
this.source = source;
this.value = value;
}
return MatChipListChange;
}());
/**
* A material design chips component (named ChipList for its similarity to the List component).
*/
var MatChipList = /** @class */ (function (_super) {
__extends(MatChipList, _super);
function MatChipList(_elementRef, _changeDetectorRef, _dir, _parentForm, _parentFormGroup, _defaultErrorStateMatcher,
/** @docs-private */
ngControl) {
var _this = _super.call(this, _defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl) || this;
_this._elementRef = _elementRef;
_this._changeDetectorRef = _changeDetectorRef;
_this._dir = _dir;
_this.ngControl = ngControl;
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
_this.controlType = 'mat-chip-list';
/**
* When a chip is destroyed, we store the index of the destroyed chip until the chips
* query list notifies about the update. This is necessary because we cannot determine an
* appropriate chip that should receive focus until the array of chips updated completely.
*/
_this._lastDestroyedChipIndex = null;
/** Subject that emits when the component has been destroyed. */
_this._destroyed = new Subject();
/** Uid of the chip list */
_this._uid = "mat-chip-list-" + nextUniqueId++;
/** Tab index for the chip list. */
_this._tabIndex = 0;
/**
* User defined tab index.
* When it is not null, use user defined tab index. Otherwise use _tabIndex
*/
_this._userTabIndex = null;
/** Function when touched */
_this._onTouched = function () { };
/** Function when changed */
_this._onChange = function () { };
_this._multiple = false;
_this._compareWith = function (o1, o2) { return o1 === o2; };
_this._required = false;
_this._disabled = false;
/** Orientation of the chip list. */
_this.ariaOrientation = 'horizontal';
_this._selectable = true;
/** Event emitted when the selected chip list value has been changed by the user. */
_this.change = new EventEmitter();
/**
* Event that emits whenever the raw value of the chip-list changes. This is here primarily
* to facilitate the two-way binding for the `value` input.
* @docs-private
*/
_this.valueChange = new EventEmitter();
if (_this.ngControl) {
_this.ngControl.valueAccessor = _this;
}
return _this;
}
Object.defineProperty(MatChipList.prototype, "selected", {
/** The array of selected chips inside chip list. */
get: function () {
return this.multiple ? this._selectionModel.selected : this._selectionModel.selected[0];
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "role", {
/** The ARIA role applied to the chip list. */
get: function () { return this.empty ? null : 'listbox'; },
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "multiple", {
/** Whether the user should be allowed to select multiple chips. */
get: function () { return this._multiple; },
set: function (value) {
this._multiple = coerceBooleanProperty(value);
this._syncChipsState();
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "compareWith", {
/**
* A function to compare the option values with the selected values. The first argument
* is a value from an option. The second is a value from the selection. A boolean
* should be returned.
*/
get: function () { return this._compareWith; },
set: function (fn) {
this._compareWith = fn;
if (this._selectionModel) {
// A different comparator means the selection could change.
this._initializeSelection();
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "value", {
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
get: function () { return this._value; },
set: function (value) {
this.writeValue(value);
this._value = value;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "id", {
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
get: function () {
return this._chipInput ? this._chipInput.id : this._uid;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "required", {
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
get: function () { return this._required; },
set: function (value) {
this._required = coerceBooleanProperty(value);
this.stateChanges.next();
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "placeholder", {
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
get: function () {
return this._chipInput ? this._chipInput.placeholder : this._placeholder;
},
set: function (value) {
this._placeholder = value;
this.stateChanges.next();
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "focused", {
/** Whether any chips or the matChipInput inside of this chip-list has focus. */
get: function () {
return (this._chipInput && this._chipInput.focused) || this._hasFocusedChip();
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "empty", {
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
get: function () {
return (!this._chipInput || this._chipInput.empty) && this.chips.length === 0;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "shouldLabelFloat", {
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
get: function () { return !this.empty || this.focused; },
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "disabled", {
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
get: function () { return this.ngControl ? !!this.ngControl.disabled : this._disabled; },
set: function (value) {
this._disabled = coerceBooleanProperty(value);
this._syncChipsState();
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "selectable", {
/**
* Whether or not this chip list is selectable. When a chip list is not selectable,
* the selected states for all the chips inside the chip list are always ignored.
*/
get: function () { return this._selectable; },
set: function (value) {
var _this = this;
this._selectable = coerceBooleanProperty(value);
if (this.chips) {
this.chips.forEach(function (chip) { return chip.chipListSelectable = _this._selectable; });
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "tabIndex", {
set: function (value) {
this._userTabIndex = value;
this._tabIndex = value;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "chipSelectionChanges", {
/** Combined stream of all of the child chips' selection change events. */
get: function () {
return merge.apply(void 0, __spread(this.chips.map(function (chip) { return chip.selectionChange; })));
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "chipFocusChanges", {
/** Combined stream of all of the child chips' focus change events. */
get: function () {
return merge.apply(void 0, __spread(this.chips.map(function (chip) { return chip._onFocus; })));
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "chipBlurChanges", {
/** Combined stream of all of the child chips' blur change events. */
get: function () {
return merge.apply(void 0, __spread(this.chips.map(function (chip) { return chip._onBlur; })));
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipList.prototype, "chipRemoveChanges", {
/** Combined stream of all of the child chips' remove change events. */
get: function () {
return merge.apply(void 0, __spread(this.chips.map(function (chip) { return chip.destroyed; })));
},
enumerable: true,
configurable: true
});
MatChipList.prototype.ngAfterContentInit = function () {
var _this = this;
this._keyManager = new FocusKeyManager(this.chips)
.withWrap()
.withVerticalOrientation()
.withHorizontalOrientation(this._dir ? this._dir.value : 'ltr');
if (this._dir) {
this._dir.change
.pipe(takeUntil(this._destroyed))
.subscribe(function (dir) { return _this._keyManager.withHorizontalOrientation(dir); });
}
this._keyManager.tabOut.pipe(takeUntil(this._destroyed)).subscribe(function () {
_this._allowFocusEscape();
});
// When the list changes, re-subscribe
this.chips.changes.pipe(startWith(null), takeUntil(this._destroyed)).subscribe(function () {
if (_this.disabled) {
// Since this happens after the content has been
// checked, we need to defer it to the next tick.
Promise.resolve().then(function () {
_this._syncChipsState();
});
}
_this._resetChips();
// Reset chips selected/deselected status
_this._initializeSelection();
// Check to see if we need to update our tab index
_this._updateTabIndex();
// Check to see if we have a destroyed chip and need to refocus
_this._updateFocusForDestroyedChips();
_this.stateChanges.next();
});
};
MatChipList.prototype.ngOnInit = function () {
this._selectionModel = new SelectionModel(this.multiple, undefined, false);
this.stateChanges.next();
};
MatChipList.prototype.ngDoCheck = function () {
if (this.ngControl) {
// We need to re-evaluate this on every change detection cycle, because there are some
// error triggers that we can't subscribe to (e.g. parent form submissions). This means
// that whatever logic is in here has to be super lean or we risk destroying the performance.
this.updateErrorState();
}
};
MatChipList.prototype.ngOnDestroy = function () {
this._destroyed.next();
this._destroyed.complete();
this.stateChanges.complete();
this._dropSubscriptions();
};
/** Associates an HTML input element with this chip list. */
MatChipList.prototype.registerInput = function (inputElement) {
this._chipInput = inputElement;
};
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
MatChipList.prototype.setDescribedByIds = function (ids) { this._ariaDescribedby = ids.join(' '); };
// Implemented as part of ControlValueAccessor.
MatChipList.prototype.writeValue = function (value) {
if (this.chips) {
this._setSelectionByValue(value, false);
}
};
// Implemented as part of ControlValueAccessor.
MatChipList.prototype.registerOnChange = function (fn) {
this._onChange = fn;
};
// Implemented as part of ControlValueAccessor.
MatChipList.prototype.registerOnTouched = function (fn) {
this._onTouched = fn;
};
// Implemented as part of ControlValueAccessor.
MatChipList.prototype.setDisabledState = function (isDisabled) {
this.disabled = isDisabled;
this.stateChanges.next();
};
/**
* Implemented as part of MatFormFieldControl.
* @docs-private
*/
MatChipList.prototype.onContainerClick = function (event) {
if (!this._originatesFromChip(event)) {
this.focus();
}
};
/**
* Focuses the first non-disabled chip in this chip list, or the associated input when there
* are no eligible chips.
*/
MatChipList.prototype.focus = function (options) {
if (this.disabled) {
return;
}
// TODO: ARIA says this should focus the first `selected` chip if any are selected.
// Focus on first element if there's no chipInput inside chip-list
if (this._chipInput && this._chipInput.focused) {
// do nothing
}
else if (this.chips.length > 0) {
this._keyManager.setFirstItemActive();
this.stateChanges.next();
}
else {
this._focusInput(options);
this.stateChanges.next();
}
};
/** Attempt to focus an input if we have one. */
MatChipList.prototype._focusInput = function (options) {
if (this._chipInput) {
this._chipInput.focus(options);
}
};
/**
* Pass events to the keyboard manager. Available here for tests.
*/
MatChipList.prototype._keydown = function (event) {
var target = event.target;
// If they are on an empty input and hit backspace, focus the last chip
if (event.keyCode === BACKSPACE && this._isInputEmpty(target)) {
this._keyManager.setLastItemActive();
event.preventDefault();
}
else if (target && target.classList.contains('mat-chip')) {
if (event.keyCode === HOME) {
this._keyManager.setFirstItemActive();
event.preventDefault();
}
else if (event.keyCode === END) {
this._keyManager.setLastItemActive();
event.preventDefault();
}
else {
this._keyManager.onKeydown(event);
}
this.stateChanges.next();
}
};
/**
* Check the tab index as you should not be allowed to focus an empty list.
*/
MatChipList.prototype._updateTabIndex = function () {
// If we have 0 chips, we should not allow keyboard focus
this._tabIndex = this._userTabIndex || (this.chips.length === 0 ? -1 : 0);
};
/**
* If the amount of chips changed, we need to update the
* key manager state and focus the next closest chip.
*/
MatChipList.prototype._updateFocusForDestroyedChips = function () {
// Move focus to the closest chip. If no other chips remain, focus the chip-list itself.
if (this._lastDestroyedChipIndex != null) {
if (this.chips.length) {
var newChipIndex = Math.min(this._lastDestroyedChipIndex, this.chips.length - 1);
this._keyManager.setActiveItem(newChipIndex);
}
else {
this.focus();
}
}
this._lastDestroyedChipIndex = null;
};
/**
* Utility to ensure all indexes are valid.
*
* @param index The index to be checked.
* @returns True if the index is valid for our list of chips.
*/
MatChipList.prototype._isValidIndex = function (index) {
return index >= 0 && index < this.chips.length;
};
MatChipList.prototype._isInputEmpty = function (element) {
if (element && element.nodeName.toLowerCase() === 'input') {
var input = element;
return !input.value;
}
return false;
};
MatChipList.prototype._setSelectionByValue = function (value, isUserInput) {
var _this = this;
if (isUserInput === void 0) { isUserInput = true; }
this._clearSelection();
this.chips.forEach(function (chip) { return chip.deselect(); });
if (Array.isArray(value)) {
value.forEach(function (currentValue) { return _this._selectValue(currentValue, isUserInput); });
this._sortValues();
}
else {
var correspondingChip = this._selectValue(value, isUserInput);
// Shift focus to the active item. Note that we shouldn't do this in multiple
// mode, because we don't know what chip the user interacted with last.
if (correspondingChip) {
if (isUserInput) {
this._keyManager.setActiveItem(correspondingChip);
}
}
}
};
/**
* Finds and selects the chip based on its value.
* @returns Chip that has the corresponding value.
*/
MatChipList.prototype._selectValue = function (value, isUserInput) {
var _this = this;
if (isUserInput === void 0) { isUserInput = true; }
var correspondingChip = this.chips.find(function (chip) {
return chip.value != null && _this._compareWith(chip.value, value);
});
if (correspondingChip) {
isUserInput ? correspondingChip.selectViaInteraction() : correspondingChip.select();
this._selectionModel.select(correspondingChip);
}
return correspondingChip;
};
MatChipList.prototype._initializeSelection = function () {
var _this = this;
// Defer setting the value in order to avoid the "Expression
// has changed after it was checked" errors from Angular.
Promise.resolve().then(function () {
if (_this.ngControl || _this._value) {
_this._setSelectionByValue(_this.ngControl ? _this.ngControl.value : _this._value, false);
_this.stateChanges.next();
}
});
};
/**
* Deselects every chip in the list.
* @param skip Chip that should not be deselected.
*/
MatChipList.prototype._clearSelection = function (skip) {
this._selectionModel.clear();
this.chips.forEach(function (chip) {
if (chip !== skip) {
chip.deselect();
}
});
this.stateChanges.next();
};
/**
* Sorts the model values, ensuring that they keep the same
* order that they have in the panel.
*/
MatChipList.prototype._sortValues = function () {
var _this = this;
if (this._multiple) {
this._selectionModel.clear();
this.chips.forEach(function (chip) {
if (chip.selected) {
_this._selectionModel.select(chip);
}
});
this.stateChanges.next();
}
};
/** Emits change event to set the model value. */
MatChipList.prototype._propagateChanges = function (fallbackValue) {
var valueToEmit = null;
if (Array.isArray(this.selected)) {
valueToEmit = this.selected.map(function (chip) { return chip.value; });
}
else {
valueToEmit = this.selected ? this.selected.value : fallbackValue;
}
this._value = valueToEmit;
this.change.emit(new MatChipListChange(this, valueToEmit));
this.valueChange.emit(valueToEmit);
this._onChange(valueToEmit);
this._changeDetectorRef.markForCheck();
};
/** When blurred, mark the field as touched when focus moved outside the chip list. */
MatChipList.prototype._blur = function () {
var _this = this;
if (!this._hasFocusedChip()) {
this._keyManager.setActiveItem(-1);
}
if (!this.disabled) {
if (this._chipInput) {
// If there's a chip input, we should check whether the focus moved to chip input.
// If the focus is not moved to chip input, mark the field as touched. If the focus moved
// to chip input, do nothing.
// Timeout is needed to wait for the focus() event trigger on chip input.
setTimeout(function () {
if (!_this.focused) {
_this._markAsTouched();
}
});
}
else {
// If there's no chip input, then mark the field as touched.
this._markAsTouched();
}
}
};
/** Mark the field as touched */
MatChipList.prototype._markAsTouched = function () {
this._onTouched();
this._changeDetectorRef.markForCheck();
this.stateChanges.next();
};
/**
* Removes the `tabindex` from the chip list and resets it back afterwards, allowing the
* user to tab out of it. This prevents the list from capturing focus and redirecting
* it back to the first chip, creating a focus trap, if it user tries to tab away.
*/
MatChipList.prototype._allowFocusEscape = function () {
var _this = this;
if (this._tabIndex !== -1) {
this._tabIndex = -1;
setTimeout(function () {
_this._tabIndex = _this._userTabIndex || 0;
_this._changeDetectorRef.markForCheck();
});
}
};
MatChipList.prototype._resetChips = function () {
this._dropSubscriptions();
this._listenToChipsFocus();
this._listenToChipsSelection();
this._listenToChipsRemoved();
};
MatChipList.prototype._dropSubscriptions = function () {
if (this._chipFocusSubscription) {
this._chipFocusSubscription.unsubscribe();
this._chipFocusSubscription = null;
}
if (this._chipBlurSubscription) {
this._chipBlurSubscription.unsubscribe();
this._chipBlurSubscription = null;
}
if (this._chipSelectionSubscription) {
this._chipSelectionSubscription.unsubscribe();
this._chipSelectionSubscription = null;
}
if (this._chipRemoveSubscription) {
this._chipRemoveSubscription.unsubscribe();
this._chipRemoveSubscription = null;
}
};
/** Listens to user-generated selection events on each chip. */
MatChipList.prototype._listenToChipsSelection = function () {
var _this = this;
this._chipSelectionSubscription = this.chipSelectionChanges.subscribe(function (event) {
event.source.selected
? _this._selectionModel.select(event.source)
: _this._selectionModel.deselect(event.source);
// For single selection chip list, make sure the deselected value is unselected.
if (!_this.multiple) {
_this.chips.forEach(function (chip) {
if (!_this._selectionModel.isSelected(chip) && chip.selected) {
chip.deselect();
}
});
}
if (event.isUserInput) {
_this._propagateChanges();
}
});
};
/** Listens to user-generated selection events on each chip. */
MatChipList.prototype._listenToChipsFocus = function () {
var _this = this;
this._chipFocusSubscription = this.chipFocusChanges.subscribe(function (event) {
var chipIndex = _this.chips.toArray().indexOf(event.chip);
if (_this._isValidIndex(chipIndex)) {
_this._keyManager.updateActiveItem(chipIndex);
}
_this.stateChanges.next();
});
this._chipBlurSubscription = this.chipBlurChanges.subscribe(function () {
_this._blur();
_this.stateChanges.next();
});
};
MatChipList.prototype._listenToChipsRemoved = function () {
var _this = this;
this._chipRemoveSubscription = this.chipRemoveChanges.subscribe(function (event) {
var chip = event.chip;
var chipIndex = _this.chips.toArray().indexOf(event.chip);
// In case the chip that will be removed is currently focused, we temporarily store
// the index in order to be able to determine an appropriate sibling chip that will
// receive focus.
if (_this._isValidIndex(chipIndex) && chip._hasFocus) {
_this._lastDestroyedChipIndex = chipIndex;
}
});
};
/** Checks whether an event comes from inside a chip element. */
MatChipList.prototype._originatesFromChip = function (event) {
var currentElement = event.target;
while (currentElement && currentElement !== this._elementRef.nativeElement) {
if (currentElement.classList.contains('mat-chip')) {
return true;
}
currentElement = currentElement.parentElement;
}
return false;
};
/** Checks whether any of the chips is focused. */
MatChipList.prototype._hasFocusedChip = function () {
return this.chips.some(function (chip) { return chip._hasFocus; });
};
/** Syncs the list's state with the individual chips. */
MatChipList.prototype._syncChipsState = function () {
var _this = this;
if (this.chips) {
this.chips.forEach(function (chip) {
chip.disabled = _this._disabled;
chip._chipListMultiple = _this.multiple;
});
}
};
MatChipList.decorators = [
{ type: Component, args: [{
selector: 'mat-chip-list',
template: "<div class=\"mat-chip-list-wrapper\"><ng-content></ng-content></div>",
exportAs: 'matChipList',
host: {
'[attr.tabindex]': 'disabled ? null : _tabIndex',
'[attr.aria-describedby]': '_ariaDescribedby || null',
'[attr.aria-required]': 'role ? required : null',
'[attr.aria-disabled]': 'disabled.toString()',
'[attr.aria-invalid]': 'errorState',
'[attr.aria-multiselectable]': 'multiple',
'[attr.role]': 'role',
'[class.mat-chip-list-disabled]': 'disabled',
'[class.mat-chip-list-invalid]': 'errorState',
'[class.mat-chip-list-required]': 'required',
'[attr.aria-orientation]': 'ariaOrientation',
'class': 'mat-chip-list',
'(focus)': 'focus()',
'(blur)': '_blur()',
'(keydown)': '_keydown($event)',
'[id]': '_uid',
},
providers: [{ provide: MatFormFieldControl, useExisting: MatChipList }],
encapsulation: ViewEncapsulation.None,
changeDetection: ChangeDetectionStrategy.OnPush,
styles: [".mat-chip{position:relative;box-sizing:border-box;-webkit-tap-highlight-color:transparent;transform:translateZ(0);border:none;-webkit-appearance:none;-moz-appearance:none}.mat-standard-chip{transition:box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1);display:inline-flex;padding:7px 12px;border-radius:16px;align-items:center;cursor:default;min-height:32px;height:1px}._mat-animation-noopable.mat-standard-chip{transition:none;animation:none}.mat-standard-chip .mat-chip-remove.mat-icon{width:18px;height:18px}.mat-standard-chip::after{top:0;left:0;right:0;bottom:0;position:absolute;border-radius:inherit;opacity:0;content:\"\";pointer-events:none;transition:opacity 200ms cubic-bezier(0.35, 0, 0.25, 1)}.mat-standard-chip:hover::after{opacity:.12}.mat-standard-chip:focus{outline:none}.mat-standard-chip:focus::after{opacity:.16}.cdk-high-contrast-active .mat-standard-chip{outline:solid 1px}.cdk-high-contrast-active .mat-standard-chip:focus{outline:dotted 2px}.mat-standard-chip.mat-chip-disabled::after{opacity:0}.mat-standard-chip.mat-chip-disabled .mat-chip-remove,.mat-standard-chip.mat-chip-disabled .mat-chip-trailing-icon{cursor:default}.mat-standard-chip.mat-chip-with-trailing-icon.mat-chip-with-avatar,.mat-standard-chip.mat-chip-with-avatar{padding-top:0;padding-bottom:0}.mat-standard-chip.mat-chip-with-trailing-icon.mat-chip-with-avatar{padding-right:8px;padding-left:0}[dir=rtl] .mat-standard-chip.mat-chip-with-trailing-icon.mat-chip-with-avatar{padding-left:8px;padding-right:0}.mat-standard-chip.mat-chip-with-trailing-icon{padding-top:7px;padding-bottom:7px;padding-right:8px;padding-left:12px}[dir=rtl] .mat-standard-chip.mat-chip-with-trailing-icon{padding-left:8px;padding-right:12px}.mat-standard-chip.mat-chip-with-avatar{padding-left:0;padding-right:12px}[dir=rtl] .mat-standard-chip.mat-chip-with-avatar{padding-right:0;padding-left:12px}.mat-standard-chip .mat-chip-avatar{width:24px;height:24px;margin-right:8px;margin-left:4px}[dir=rtl] .mat-standard-chip .mat-chip-avatar{margin-left:8px;margin-right:4px}.mat-standard-chip .mat-chip-remove,.mat-standard-chip .mat-chip-trailing-icon{width:18px;height:18px;cursor:pointer}.mat-standard-chip .mat-chip-remove,.mat-standard-chip .mat-chip-trailing-icon{margin-left:8px;margin-right:0}[dir=rtl] .mat-standard-chip .mat-chip-remove,[dir=rtl] .mat-standard-chip .mat-chip-trailing-icon{margin-right:8px;margin-left:0}.mat-chip-ripple{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none;border-radius:inherit;overflow:hidden}.mat-chip-list-wrapper{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;margin:-4px}.mat-chip-list-wrapper input.mat-input-element,.mat-chip-list-wrapper .mat-standard-chip{margin:4px}.mat-chip-list-stacked .mat-chip-list-wrapper{flex-direction:column;align-items:flex-start}.mat-chip-list-stacked .mat-chip-list-wrapper .mat-standard-chip{width:100%}.mat-chip-avatar{border-radius:50%;justify-content:center;align-items:center;display:flex;overflow:hidden;object-fit:cover}input.mat-chip-input{width:150px;margin:4px;flex:1 0 150px}\n"]
}] }
];
/** @nocollapse */
MatChipList.ctorParameters = function () { return [
{ type: ElementRef },
{ type: ChangeDetectorRef },
{ type: Directionality, decorators: [{ type: Optional }] },
{ type: NgForm, decorators: [{ type: Optional }] },
{ type: FormGroupDirective, decorators: [{ type: Optional }] },
{ type: ErrorStateMatcher },
{ type: NgControl, decorators: [{ type: Optional }, { type: Self }] }
]; };
MatChipList.propDecorators = {
errorStateMatcher: [{ type: Input }],
multiple: [{ type: Input }],
compareWith: [{ type: Input }],
value: [{ type: Input }],
required: [{ type: Input }],
placeholder: [{ type: Input }],
disabled: [{ type: Input }],
ariaOrientation: [{ type: Input, args: ['aria-orientation',] }],
selectable: [{ type: Input }],
tabIndex: [{ type: Input }],
change: [{ type: Output }],
valueChange: [{ type: Output }],
chips: [{ type: ContentChildren, args: [MatChip, {
// We need to use `descendants: true`, because Ivy will no longer match
// indirect descendants if it's left as false.
descendants: true
},] }]
};
return MatChipList;
}(_MatChipListMixinBase));
/**
* @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
*/
// Increasing integer for generating unique ids.
var nextUniqueId$1 = 0;
/**
* Directive that adds chip-specific behaviors to an input element inside `<mat-form-field>`.
* May be placed inside or outside of an `<mat-chip-list>`.
*/
var MatChipInput = /** @class */ (function () {
function MatChipInput(_elementRef, _defaultOptions) {
this._elementRef = _elementRef;
this._defaultOptions = _defaultOptions;
/** Whether the control is focused. */
this.focused = false;
this._addOnBlur = false;
/**
* The list of key codes that will trigger a chipEnd event.
*
* Defaults to `[ENTER]`.
*/
this.separatorKeyCodes = this._defaultOptions.separatorKeyCodes;
/** Emitted when a chip is to be added. */
this.chipEnd = new EventEmitter();
/** The input's placeholder text. */
this.placeholder = '';
/** Unique id for the input. */
this.id = "mat-chip-list-input-" + nextUniqueId$1++;
this._disabled = false;
this._inputElement = this._elementRef.nativeElement;
}
Object.defineProperty(MatChipInput.prototype, "chipList", {
/** Register input for chip list */
set: function (value) {
if (value) {
this._chipList = value;
this._chipList.registerInput(this);
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipInput.prototype, "addOnBlur", {
/**
* Whether or not the chipEnd event will be emitted when the input is blurred.
*/
get: function () { return this._addOnBlur; },
set: function (value) { this._addOnBlur = coerceBooleanProperty(value); },
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipInput.prototype, "disabled", {
/** Whether the input is disabled. */
get: function () { return this._disabled || (this._chipList && this._chipList.disabled); },
set: function (value) { this._disabled = coerceBooleanProperty(value); },
enumerable: true,
configurable: true
});
Object.defineProperty(MatChipInput.prototype, "empty", {
/** Whether the input is empty. */
get: function () { return !this._inputElement.value; },
enumerable: true,
configurable: true
});
MatChipInput.prototype.ngOnChanges = function () {
this._chipList.stateChanges.next();
};
/** Utility method to make host definition/tests more clear. */
MatChipInput.prototype._keydown = function (event) {
// Allow the user's focus to escape when they're tabbing forward. Note that we don't
// want to do this when going backwards, because focus should go back to the first chip.
if (event && event.keyCode === TAB && !hasModifierKey(event, 'shiftKey')) {
this._chipList._allowFocusEscape();
}
this._emitChipEnd(event);
};
/** Checks to see if the blur should emit the (chipEnd) event. */
MatChipInput.prototype._blur = function () {
if (this.addOnBlur) {
this._emitChipEnd();
}
this.focused = false;
// Blur the chip list if it is not focused
if (!this._chipList.focused) {
this._chipList._blur();
}
this._chipList.stateChanges.next();
};
MatChipInput.prototype._focus = function () {
this.focused = true;
this._chipList.stateChanges.next();
};
/** Checks to see if the (chipEnd) event needs to be emitted. */
MatChipInput.prototype._emitChipEnd = function (event) {
if (!this._inputElement.value && !!event) {
this._chipList._keydown(event);
}
if (!event || this._isSeparatorKey(event)) {
this.chipEnd.emit({ input: this._inputElement, value: this._inputElement.value });
if (event) {
event.preventDefault();
}
}
};
MatChipInput.prototype._onInput = function () {
// Let chip list know whenever the value changes.
this._chipList.stateChanges.next();
};
/** Focuses the input. */
MatChipInput.prototype.focus = function (options) {
this._inputElement.focus(options);
};
/** Checks whether a keycode is one of the configured separators. */
MatChipInput.prototype._isSeparatorKey = function (event) {
if (hasModifierKey(event)) {
return false;
}
var separators = this.separatorKeyCodes;
var keyCode = event.keyCode;
return Array.isArray(separators) ? separators.indexOf(keyCode) > -1 : separators.has(keyCode);
};
MatChipInput.decorators = [
{ type: Directive, args: [{
selector: 'input[matChipInputFor]',
exportAs: 'matChipInput, matChipInputFor',
host: {
'class': 'mat-chip-input mat-input-element',
'(keydown)': '_keydown($event)',
'(blur)': '_blur()',
'(focus)': '_focus()',
'(input)': '_onInput()',
'[id]': 'id',
'[attr.disabled]': 'disabled || null',
'[attr.placeholder]': 'placeholder || null',
'[attr.aria-invalid]': '_chipList && _chipList.ngControl ? _chipList.ngControl.invalid : null',
'[attr.aria-required]': '_chipList && _chipList.required || null',
}
},] }
];
/** @nocollapse */
MatChipInput.ctorParameters = function () { return [
{ type: ElementRef },
{ type: undefined, decorators: [{ type: Inject, args: [MAT_CHIPS_DEFAULT_OPTIONS,] }] }
]; };
MatChipInput.propDecorators = {
chipList: [{ type: Input, args: ['matChipInputFor',] }],
addOnBlur: [{ type: Input, args: ['matChipInputAddOnBlur',] }],
separatorKeyCodes: [{ type: Input, args: ['matChipInputSeparatorKeyCodes',] }],
chipEnd: [{ type: Output, args: ['matChipInputTokenEnd',] }],
placeholder: [{ type: Input }],
id: [{ type: Input }],
disabled: [{ type: Input }]
};
return MatChipInput;
}());
/**
* @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
*/
var CHIP_DECLARATIONS = [
MatChipList,
MatChip,
MatChipInput,
MatChipRemove,
MatChipAvatar,
MatChipTrailingIcon,
];
var ɵ0 = {
separatorKeyCodes: [ENTER]
};
var MatChipsModule = /** @class */ (function () {
function MatChipsModule() {
}
MatChipsModule.decorators = [
{ type: NgModule, args: [{
exports: CHIP_DECLARATIONS,
declarations: CHIP_DECLARATIONS,
providers: [
ErrorStateMatcher,
{
provide: MAT_CHIPS_DEFAULT_OPTIONS,
useValue: ɵ0
}
]
},] }
];
return MatChipsModule;
}());
/**
* @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
*/
/**
* Generated bundle index. Do not edit.
*/
export { MAT_CHIPS_DEFAULT_OPTIONS, MatChip, MatChipAvatar, MatChipInput, MatChipList, MatChipListChange, MatChipRemove, MatChipSelectionChange, MatChipTrailingIcon, MatChipsModule, ɵ0 };
//# sourceMappingURL=chips.js.map