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/** * @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 { coerceBooleanProperty } from '@angular/cdk/coercion'; import { Directive, EventEmitter, Inject, InjectionToken, Input, Optional, Output, } from '@angular/core'; import { mixinDisabled, mixinInitialized } from '@angular/material/core'; import { Subject } from 'rxjs'; import { getSortDuplicateSortableIdError, getSortHeaderMissingIdError, getSortInvalidDirectionError, } from './sort-errors'; import * as i0 from "@angular/core"; /** Injection token to be used to override the default options for `mat-sort`. */ export const MAT_SORT_DEFAULT_OPTIONS = new InjectionToken('MAT_SORT_DEFAULT_OPTIONS'); // Boilerplate for applying mixins to MatSort. /** @docs-private */ const _MatSortBase = mixinInitialized(mixinDisabled(class { })); /** Container for MatSortables to manage the sort state and provide default sort parameters. */ class MatSort extends _MatSortBase { /** The sort direction of the currently active MatSortable. */ get direction() { return this._direction; } set direction(direction) { if (direction && direction !== 'asc' && direction !== 'desc' && (typeof ngDevMode === 'undefined' || ngDevMode)) { throw getSortInvalidDirectionError(direction); } this._direction = direction; } /** * Whether to disable the user from clearing the sort by finishing the sort direction cycle. * May be overridden by the MatSortable's disable clear input. */ get disableClear() { return this._disableClear; } set disableClear(v) { this._disableClear = coerceBooleanProperty(v); } constructor(_defaultOptions) { super(); this._defaultOptions = _defaultOptions; /** Collection of all registered sortables that this directive manages. */ this.sortables = new Map(); /** Used to notify any child components listening to state changes. */ this._stateChanges = new Subject(); /** * The direction to set when an MatSortable is initially sorted. * May be overridden by the MatSortable's sort start. */ this.start = 'asc'; this._direction = ''; /** Event emitted when the user changes either the active sort or sort direction. */ this.sortChange = new EventEmitter(); } /** * Register function to be used by the contained MatSortables. Adds the MatSortable to the * collection of MatSortables. */ register(sortable) { if (typeof ngDevMode === 'undefined' || ngDevMode) { if (!sortable.id) { throw getSortHeaderMissingIdError(); } if (this.sortables.has(sortable.id)) { throw getSortDuplicateSortableIdError(sortable.id); } } this.sortables.set(sortable.id, sortable); } /** * Unregister function to be used by the contained MatSortables. Removes the MatSortable from the * collection of contained MatSortables. */ deregister(sortable) { this.sortables.delete(sortable.id); } /** Sets the active sort id and determines the new sort direction. */ sort(sortable) { if (this.active != sortable.id) { this.active = sortable.id; this.direction = sortable.start ? sortable.start : this.start; } else { this.direction = this.getNextSortDirection(sortable); } this.sortChange.emit({ active: this.active, direction: this.direction }); } /** Returns the next sort direction of the active sortable, checking for potential overrides. */ getNextSortDirection(sortable) { if (!sortable) { return ''; } // Get the sort direction cycle with the potential sortable overrides. const disableClear = sortable?.disableClear ?? this.disableClear ?? !!this._defaultOptions?.disableClear; let sortDirectionCycle = getSortDirectionCycle(sortable.start || this.start, disableClear); // Get and return the next direction in the cycle let nextDirectionIndex = sortDirectionCycle.indexOf(this.direction) + 1; if (nextDirectionIndex >= sortDirectionCycle.length) { nextDirectionIndex = 0; } return sortDirectionCycle[nextDirectionIndex]; } ngOnInit() { this._markInitialized(); } ngOnChanges() { this._stateChanges.next(); } ngOnDestroy() { this._stateChanges.complete(); } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSort, deps: [{ token: MAT_SORT_DEFAULT_OPTIONS, optional: true }], target: i0.ɵɵFactoryTarget.Directive }); } static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.0.0", type: MatSort, selector: "[matSort]", inputs: { disabled: ["matSortDisabled", "disabled"], active: ["matSortActive", "active"], start: ["matSortStart", "start"], direction: ["matSortDirection", "direction"], disableClear: ["matSortDisableClear", "disableClear"] }, outputs: { sortChange: "matSortChange" }, host: { classAttribute: "mat-sort" }, exportAs: ["matSort"], usesInheritance: true, usesOnChanges: true, ngImport: i0 }); } } export { MatSort }; i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatSort, decorators: [{ type: Directive, args: [{ selector: '[matSort]', exportAs: 'matSort', host: { 'class': 'mat-sort', }, inputs: ['disabled: matSortDisabled'], }] }], ctorParameters: function () { return [{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_SORT_DEFAULT_OPTIONS] }] }]; }, propDecorators: { active: [{ type: Input, args: ['matSortActive'] }], start: [{ type: Input, args: ['matSortStart'] }], direction: [{ type: Input, args: ['matSortDirection'] }], disableClear: [{ type: Input, args: ['matSortDisableClear'] }], sortChange: [{ type: Output, args: ['matSortChange'] }] } }); /** Returns the sort direction cycle to use given the provided parameters of order and clear. */ function getSortDirectionCycle(start, disableClear) { let sortOrder = ['asc', 'desc']; if (start == 'desc') { sortOrder.reverse(); } if (!disableClear) { sortOrder.push(''); } return sortOrder; } //# 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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {BooleanInput, coerceBooleanProperty} from '@angular/cdk/coercion';\nimport {\n  Directive,\n  EventEmitter,\n  Inject,\n  InjectionToken,\n  Input,\n  OnChanges,\n  OnDestroy,\n  OnInit,\n  Optional,\n  Output,\n} from '@angular/core';\nimport {CanDisable, HasInitialized, mixinDisabled, mixinInitialized} from '@angular/material/core';\nimport {Subject} from 'rxjs';\nimport {SortDirection} from './sort-direction';\nimport {\n  getSortDuplicateSortableIdError,\n  getSortHeaderMissingIdError,\n  getSortInvalidDirectionError,\n} from './sort-errors';\n\n/** Position of the arrow that displays when sorted. */\nexport type SortHeaderArrowPosition = 'before' | 'after';\n\n/** Interface for a directive that holds sorting state consumed by `MatSortHeader`. */\nexport interface MatSortable {\n  /** The id of the column being sorted. */\n  id: string;\n\n  /** Starting sort direction. */\n  start: SortDirection;\n\n  /** Whether to disable clearing the sorting state. */\n  disableClear: boolean;\n}\n\n/** The current sort state. */\nexport interface Sort {\n  /** The id of the column being sorted. */\n  active: string;\n\n  /** The sort direction. */\n  direction: SortDirection;\n}\n\n/** Default options for `mat-sort`.  */\nexport interface MatSortDefaultOptions {\n  /** Whether to disable clearing the sorting state. */\n  disableClear?: boolean;\n  /** Position of the arrow that displays when sorted. */\n  arrowPosition?: SortHeaderArrowPosition;\n}\n\n/** Injection token to be used to override the default options for `mat-sort`. */\nexport const MAT_SORT_DEFAULT_OPTIONS = new InjectionToken<MatSortDefaultOptions>(\n  'MAT_SORT_DEFAULT_OPTIONS',\n);\n\n// Boilerplate for applying mixins to MatSort.\n/** @docs-private */\nconst _MatSortBase = mixinInitialized(mixinDisabled(class {}));\n\n/** Container for MatSortables to manage the sort state and provide default sort parameters. */\n@Directive({\n  selector: '[matSort]',\n  exportAs: 'matSort',\n  host: {\n    'class': 'mat-sort',\n  },\n  inputs: ['disabled: matSortDisabled'],\n})\nexport class MatSort\n  extends _MatSortBase\n  implements CanDisable, HasInitialized, OnChanges, OnDestroy, OnInit\n{\n  /** Collection of all registered sortables that this directive manages. */\n  sortables = new Map<string, MatSortable>();\n\n  /** Used to notify any child components listening to state changes. */\n  readonly _stateChanges = new Subject<void>();\n\n  /** The id of the most recently sorted MatSortable. */\n  @Input('matSortActive') active: string;\n\n  /**\n   * The direction to set when an MatSortable is initially sorted.\n   * May be overridden by the MatSortable's sort start.\n   */\n  @Input('matSortStart') start: SortDirection = 'asc';\n\n  /** The sort direction of the currently active MatSortable. */\n  @Input('matSortDirection')\n  get direction(): SortDirection {\n    return this._direction;\n  }\n  set direction(direction: SortDirection) {\n    if (\n      direction &&\n      direction !== 'asc' &&\n      direction !== 'desc' &&\n      (typeof ngDevMode === 'undefined' || ngDevMode)\n    ) {\n      throw getSortInvalidDirectionError(direction);\n    }\n    this._direction = direction;\n  }\n  private _direction: SortDirection = '';\n\n  /**\n   * Whether to disable the user from clearing the sort by finishing the sort direction cycle.\n   * May be overridden by the MatSortable's disable clear input.\n   */\n  @Input('matSortDisableClear')\n  get disableClear(): boolean {\n    return this._disableClear;\n  }\n  set disableClear(v: BooleanInput) {\n    this._disableClear = coerceBooleanProperty(v);\n  }\n  private _disableClear: boolean;\n\n  /** Event emitted when the user changes either the active sort or sort direction. */\n  @Output('matSortChange') readonly sortChange: EventEmitter<Sort> = new EventEmitter<Sort>();\n\n  constructor(\n    @Optional()\n    @Inject(MAT_SORT_DEFAULT_OPTIONS)\n    private _defaultOptions?: MatSortDefaultOptions,\n  ) {\n    super();\n  }\n\n  /**\n   * Register function to be used by the contained MatSortables. Adds the MatSortable to the\n   * collection of MatSortables.\n   */\n  register(sortable: MatSortable): void {\n    if (typeof ngDevMode === 'undefined' || ngDevMode) {\n      if (!sortable.id) {\n        throw getSortHeaderMissingIdError();\n      }\n\n      if (this.sortables.has(sortable.id)) {\n        throw getSortDuplicateSortableIdError(sortable.id);\n      }\n    }\n\n    this.sortables.set(sortable.id, sortable);\n  }\n\n  /**\n   * Unregister function to be used by the contained MatSortables. Removes the MatSortable from the\n   * collection of contained MatSortables.\n   */\n  deregister(sortable: MatSortable): void {\n    this.sortables.delete(sortable.id);\n  }\n\n  /** Sets the active sort id and determines the new sort direction. */\n  sort(sortable: MatSortable): void {\n    if (this.active != sortable.id) {\n      this.active = sortable.id;\n      this.direction = sortable.start ? sortable.start : this.start;\n    } else {\n      this.direction = this.getNextSortDirection(sortable);\n    }\n\n    this.sortChange.emit({active: this.active, direction: this.direction});\n  }\n\n  /** Returns the next sort direction of the active sortable, checking for potential overrides. */\n  getNextSortDirection(sortable: MatSortable): SortDirection {\n    if (!sortable) {\n      return '';\n    }\n\n    // Get the sort direction cycle with the potential sortable overrides.\n    const disableClear =\n      sortable?.disableClear ?? this.disableClear ?? !!this._defaultOptions?.disableClear;\n    let sortDirectionCycle = getSortDirectionCycle(sortable.start || this.start, disableClear);\n\n    // Get and return the next direction in the cycle\n    let nextDirectionIndex = sortDirectionCycle.indexOf(this.direction) + 1;\n    if (nextDirectionIndex >= sortDirectionCycle.length) {\n      nextDirectionIndex = 0;\n    }\n    return sortDirectionCycle[nextDirectionIndex];\n  }\n\n  ngOnInit() {\n    this._markInitialized();\n  }\n\n  ngOnChanges() {\n    this._stateChanges.next();\n  }\n\n  ngOnDestroy() {\n    this._stateChanges.complete();\n  }\n}\n\n/** Returns the sort direction cycle to use given the provided parameters of order and clear. */\nfunction getSortDirectionCycle(start: SortDirection, disableClear: boolean): SortDirection[] {\n  let sortOrder: SortDirection[] = ['asc', 'desc'];\n  if (start == 'desc') {\n    sortOrder.reverse();\n  }\n  if (!disableClear) {\n    sortOrder.push('');\n  }\n\n  return sortOrder;\n}\n"]}