@angular/material
Version:
Angular Material
161 lines • 21 kB
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 { 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. */
export class MatSort extends _MatSortBase {
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();
}
/** 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);
}
/**
* 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();
}
}
MatSort.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.0-rc.1", ngImport: i0, type: MatSort, deps: [{ token: MAT_SORT_DEFAULT_OPTIONS, optional: true }], target: i0.ɵɵFactoryTarget.Directive });
MatSort.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.0.0-rc.1", 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 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.0-rc.1", 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: {'class': 'mat-sort'},\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"]}