| (function (global, factory) { |
| typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('rxjs'), require('@angular/core')) : |
| typeof define === 'function' && define.amd ? define('@angular/cdk/collections', ['exports', 'rxjs', '@angular/core'], factory) : |
| (global = global || self, factory((global.ng = global.ng || {}, global.ng.cdk = global.ng.cdk || {}, global.ng.cdk.collections = {}), global.rxjs, global.ng.core)); |
| }(this, (function (exports, rxjs, i0) { 'use strict'; |
| |
| /*! ***************************************************************************** |
| Copyright (c) Microsoft Corporation. |
| |
| Permission to use, copy, modify, and/or distribute this software for any |
| purpose with or without fee is hereby granted. |
| |
| THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH |
| REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
| AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, |
| INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM |
| LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR |
| OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| PERFORMANCE OF THIS SOFTWARE. |
| ***************************************************************************** */ |
| /* global Reflect, Promise */ |
| var extendStatics = function (d, b) { |
| extendStatics = Object.setPrototypeOf || |
| ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || |
| function (d, b) { for (var p in b) |
| if (Object.prototype.hasOwnProperty.call(b, p)) |
| d[p] = b[p]; }; |
| return extendStatics(d, b); |
| }; |
| function __extends(d, b) { |
| if (typeof b !== "function" && b !== null) |
| throw new TypeError("Class extends value " + String(b) + " is not a constructor or null"); |
| extendStatics(d, b); |
| function __() { this.constructor = d; } |
| d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); |
| } |
| var __assign = function () { |
| __assign = Object.assign || function __assign(t) { |
| for (var s, i = 1, n = arguments.length; i < n; i++) { |
| s = arguments[i]; |
| for (var p in s) |
| if (Object.prototype.hasOwnProperty.call(s, p)) |
| t[p] = s[p]; |
| } |
| return t; |
| }; |
| return __assign.apply(this, arguments); |
| }; |
| function __rest(s, e) { |
| var t = {}; |
| for (var p in s) |
| if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) |
| t[p] = s[p]; |
| if (s != null && typeof Object.getOwnPropertySymbols === "function") |
| for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) { |
| if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) |
| t[p[i]] = s[p[i]]; |
| } |
| return t; |
| } |
| function __decorate(decorators, target, key, desc) { |
| var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; |
| if (typeof Reflect === "object" && typeof Reflect.decorate === "function") |
| r = Reflect.decorate(decorators, target, key, desc); |
| else |
| for (var i = decorators.length - 1; i >= 0; i--) |
| if (d = decorators[i]) |
| r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; |
| return c > 3 && r && Object.defineProperty(target, key, r), r; |
| } |
| function __param(paramIndex, decorator) { |
| return function (target, key) { decorator(target, key, paramIndex); }; |
| } |
| function __metadata(metadataKey, metadataValue) { |
| if (typeof Reflect === "object" && typeof Reflect.metadata === "function") |
| return Reflect.metadata(metadataKey, metadataValue); |
| } |
| function __awaiter(thisArg, _arguments, P, generator) { |
| function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } |
| return new (P || (P = Promise))(function (resolve, reject) { |
| function fulfilled(value) { try { |
| step(generator.next(value)); |
| } |
| catch (e) { |
| reject(e); |
| } } |
| function rejected(value) { try { |
| step(generator["throw"](value)); |
| } |
| catch (e) { |
| reject(e); |
| } } |
| function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } |
| step((generator = generator.apply(thisArg, _arguments || [])).next()); |
| }); |
| } |
| function __generator(thisArg, body) { |
| var _ = { label: 0, sent: function () { if (t[0] & 1) |
| throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; |
| return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function () { return this; }), g; |
| function verb(n) { return function (v) { return step([n, v]); }; } |
| function step(op) { |
| if (f) |
| throw new TypeError("Generator is already executing."); |
| while (_) |
| try { |
| if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) |
| return t; |
| if (y = 0, t) |
| op = [op[0] & 2, t.value]; |
| switch (op[0]) { |
| case 0: |
| case 1: |
| t = op; |
| break; |
| case 4: |
| _.label++; |
| return { value: op[1], done: false }; |
| case 5: |
| _.label++; |
| y = op[1]; |
| op = [0]; |
| continue; |
| case 7: |
| op = _.ops.pop(); |
| _.trys.pop(); |
| continue; |
| default: |
| if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { |
| _ = 0; |
| continue; |
| } |
| if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { |
| _.label = op[1]; |
| break; |
| } |
| if (op[0] === 6 && _.label < t[1]) { |
| _.label = t[1]; |
| t = op; |
| break; |
| } |
| if (t && _.label < t[2]) { |
| _.label = t[2]; |
| _.ops.push(op); |
| break; |
| } |
| if (t[2]) |
| _.ops.pop(); |
| _.trys.pop(); |
| continue; |
| } |
| op = body.call(thisArg, _); |
| } |
| catch (e) { |
| op = [6, e]; |
| y = 0; |
| } |
| finally { |
| f = t = 0; |
| } |
| if (op[0] & 5) |
| throw op[1]; |
| return { value: op[0] ? op[1] : void 0, done: true }; |
| } |
| } |
| var __createBinding = Object.create ? (function (o, m, k, k2) { |
| if (k2 === undefined) |
| k2 = k; |
| Object.defineProperty(o, k2, { enumerable: true, get: function () { return m[k]; } }); |
| }) : (function (o, m, k, k2) { |
| if (k2 === undefined) |
| k2 = k; |
| o[k2] = m[k]; |
| }); |
| function __exportStar(m, o) { |
| for (var p in m) |
| if (p !== "default" && !Object.prototype.hasOwnProperty.call(o, p)) |
| __createBinding(o, m, p); |
| } |
| function __values(o) { |
| var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0; |
| if (m) |
| return m.call(o); |
| if (o && typeof o.length === "number") |
| return { |
| next: function () { |
| if (o && i >= o.length) |
| o = void 0; |
| return { value: o && o[i++], done: !o }; |
| } |
| }; |
| throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined."); |
| } |
| function __read(o, n) { |
| var m = typeof Symbol === "function" && o[Symbol.iterator]; |
| if (!m) |
| return o; |
| var i = m.call(o), r, ar = [], e; |
| try { |
| while ((n === void 0 || n-- > 0) && !(r = i.next()).done) |
| ar.push(r.value); |
| } |
| catch (error) { |
| e = { error: error }; |
| } |
| finally { |
| try { |
| if (r && !r.done && (m = i["return"])) |
| m.call(i); |
| } |
| finally { |
| if (e) |
| throw e.error; |
| } |
| } |
| return ar; |
| } |
| /** @deprecated */ |
| function __spread() { |
| for (var ar = [], i = 0; i < arguments.length; i++) |
| ar = ar.concat(__read(arguments[i])); |
| return ar; |
| } |
| /** @deprecated */ |
| function __spreadArrays() { |
| for (var s = 0, i = 0, il = arguments.length; i < il; i++) |
| s += arguments[i].length; |
| for (var r = Array(s), k = 0, i = 0; i < il; i++) |
| for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) |
| r[k] = a[j]; |
| return r; |
| } |
| function __spreadArray(to, from) { |
| for (var i = 0, il = from.length, j = to.length; i < il; i++, j++) |
| to[j] = from[i]; |
| return to; |
| } |
| function __await(v) { |
| return this instanceof __await ? (this.v = v, this) : new __await(v); |
| } |
| function __asyncGenerator(thisArg, _arguments, generator) { |
| if (!Symbol.asyncIterator) |
| throw new TypeError("Symbol.asyncIterator is not defined."); |
| var g = generator.apply(thisArg, _arguments || []), i, q = []; |
| return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i; |
| function verb(n) { if (g[n]) |
| i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; } |
| function resume(n, v) { try { |
| step(g[n](v)); |
| } |
| catch (e) { |
| settle(q[0][3], e); |
| } } |
| function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } |
| function fulfill(value) { resume("next", value); } |
| function reject(value) { resume("throw", value); } |
| function settle(f, v) { if (f(v), q.shift(), q.length) |
| resume(q[0][0], q[0][1]); } |
| } |
| function __asyncDelegator(o) { |
| var i, p; |
| return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i; |
| function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; } |
| } |
| function __asyncValues(o) { |
| if (!Symbol.asyncIterator) |
| throw new TypeError("Symbol.asyncIterator is not defined."); |
| var m = o[Symbol.asyncIterator], i; |
| return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i); |
| function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; } |
| function settle(resolve, reject, d, v) { Promise.resolve(v).then(function (v) { resolve({ value: v, done: d }); }, reject); } |
| } |
| function __makeTemplateObject(cooked, raw) { |
| if (Object.defineProperty) { |
| Object.defineProperty(cooked, "raw", { value: raw }); |
| } |
| else { |
| cooked.raw = raw; |
| } |
| return cooked; |
| } |
| ; |
| var __setModuleDefault = Object.create ? (function (o, v) { |
| Object.defineProperty(o, "default", { enumerable: true, value: v }); |
| }) : function (o, v) { |
| o["default"] = v; |
| }; |
| function __importStar(mod) { |
| if (mod && mod.__esModule) |
| return mod; |
| var result = {}; |
| if (mod != null) |
| for (var k in mod) |
| if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) |
| __createBinding(result, mod, k); |
| __setModuleDefault(result, mod); |
| return result; |
| } |
| function __importDefault(mod) { |
| return (mod && mod.__esModule) ? mod : { default: mod }; |
| } |
| function __classPrivateFieldGet(receiver, privateMap) { |
| if (!privateMap.has(receiver)) { |
| throw new TypeError("attempted to get private field on non-instance"); |
| } |
| return privateMap.get(receiver); |
| } |
| function __classPrivateFieldSet(receiver, privateMap, value) { |
| if (!privateMap.has(receiver)) { |
| throw new TypeError("attempted to set private field on non-instance"); |
| } |
| privateMap.set(receiver, value); |
| return value; |
| } |
| |
| /** |
| * @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 DataSource = /** @class */ (function () { |
| function DataSource() { |
| } |
| return DataSource; |
| }()); |
| /** Checks whether an object is a data source. */ |
| function isDataSource(value) { |
| // Check if the value is a DataSource by observing if it has a connect function. Cannot |
| // be checked as an `instanceof DataSource` since people could create their own sources |
| // that match the interface, but don't extend DataSource. |
| return value && typeof value.connect === 'function'; |
| } |
| |
| /** DataSource wrapper for a native array. */ |
| var ArrayDataSource = /** @class */ (function (_super) { |
| __extends(ArrayDataSource, _super); |
| function ArrayDataSource(_data) { |
| var _this = _super.call(this) || this; |
| _this._data = _data; |
| return _this; |
| } |
| ArrayDataSource.prototype.connect = function () { |
| return rxjs.isObservable(this._data) ? this._data : rxjs.of(this._data); |
| }; |
| ArrayDataSource.prototype.disconnect = function () { }; |
| return ArrayDataSource; |
| }(DataSource)); |
| |
| /** |
| * @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 |
| */ |
| /** |
| * A repeater that destroys views when they are removed from a |
| * {@link ViewContainerRef}. When new items are inserted into the container, |
| * the repeater will always construct a new embedded view for each item. |
| * |
| * @template T The type for the embedded view's $implicit property. |
| * @template R The type for the item in each IterableDiffer change record. |
| * @template C The type for the context passed to each embedded view. |
| */ |
| var _DisposeViewRepeaterStrategy = /** @class */ (function () { |
| function _DisposeViewRepeaterStrategy() { |
| } |
| _DisposeViewRepeaterStrategy.prototype.applyChanges = function (changes, viewContainerRef, itemContextFactory, itemValueResolver, itemViewChanged) { |
| changes.forEachOperation(function (record, adjustedPreviousIndex, currentIndex) { |
| var view; |
| var operation; |
| if (record.previousIndex == null) { |
| var insertContext = itemContextFactory(record, adjustedPreviousIndex, currentIndex); |
| view = viewContainerRef.createEmbeddedView(insertContext.templateRef, insertContext.context, insertContext.index); |
| operation = 1 /* INSERTED */; |
| } |
| else if (currentIndex == null) { |
| viewContainerRef.remove(adjustedPreviousIndex); |
| operation = 3 /* REMOVED */; |
| } |
| else { |
| view = viewContainerRef.get(adjustedPreviousIndex); |
| viewContainerRef.move(view, currentIndex); |
| operation = 2 /* MOVED */; |
| } |
| if (itemViewChanged) { |
| itemViewChanged({ |
| context: view === null || view === void 0 ? void 0 : view.context, |
| operation: operation, |
| record: record, |
| }); |
| } |
| }); |
| }; |
| _DisposeViewRepeaterStrategy.prototype.detach = function () { |
| }; |
| return _DisposeViewRepeaterStrategy; |
| }()); |
| |
| /** |
| * @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 |
| */ |
| /** |
| * A repeater that caches views when they are removed from a |
| * {@link ViewContainerRef}. When new items are inserted into the container, |
| * the repeater will reuse one of the cached views instead of creating a new |
| * embedded view. Recycling cached views reduces the quantity of expensive DOM |
| * inserts. |
| * |
| * @template T The type for the embedded view's $implicit property. |
| * @template R The type for the item in each IterableDiffer change record. |
| * @template C The type for the context passed to each embedded view. |
| */ |
| var _RecycleViewRepeaterStrategy = /** @class */ (function () { |
| function _RecycleViewRepeaterStrategy() { |
| /** |
| * The size of the cache used to store unused views. |
| * Setting the cache size to `0` will disable caching. Defaults to 20 views. |
| */ |
| this.viewCacheSize = 20; |
| /** |
| * View cache that stores embedded view instances that have been previously stamped out, |
| * but don't are not currently rendered. The view repeater will reuse these views rather than |
| * creating brand new ones. |
| * |
| * TODO(michaeljamesparsons) Investigate whether using a linked list would improve performance. |
| */ |
| this._viewCache = []; |
| } |
| /** Apply changes to the DOM. */ |
| _RecycleViewRepeaterStrategy.prototype.applyChanges = function (changes, viewContainerRef, itemContextFactory, itemValueResolver, itemViewChanged) { |
| var _this = this; |
| // Rearrange the views to put them in the right location. |
| changes.forEachOperation(function (record, adjustedPreviousIndex, currentIndex) { |
| var view; |
| var operation; |
| if (record.previousIndex == null) { // Item added. |
| var viewArgsFactory = function () { return itemContextFactory(record, adjustedPreviousIndex, currentIndex); }; |
| view = _this._insertView(viewArgsFactory, currentIndex, viewContainerRef, itemValueResolver(record)); |
| operation = view ? 1 /* INSERTED */ : 0 /* REPLACED */; |
| } |
| else if (currentIndex == null) { // Item removed. |
| _this._detachAndCacheView(adjustedPreviousIndex, viewContainerRef); |
| operation = 3 /* REMOVED */; |
| } |
| else { // Item moved. |
| view = _this._moveView(adjustedPreviousIndex, currentIndex, viewContainerRef, itemValueResolver(record)); |
| operation = 2 /* MOVED */; |
| } |
| if (itemViewChanged) { |
| itemViewChanged({ |
| context: view === null || view === void 0 ? void 0 : view.context, |
| operation: operation, |
| record: record, |
| }); |
| } |
| }); |
| }; |
| _RecycleViewRepeaterStrategy.prototype.detach = function () { |
| var e_1, _a; |
| try { |
| for (var _b = __values(this._viewCache), _c = _b.next(); !_c.done; _c = _b.next()) { |
| var view = _c.value; |
| view.destroy(); |
| } |
| } |
| catch (e_1_1) { e_1 = { error: e_1_1 }; } |
| finally { |
| try { |
| if (_c && !_c.done && (_a = _b.return)) _a.call(_b); |
| } |
| finally { if (e_1) throw e_1.error; } |
| } |
| this._viewCache = []; |
| }; |
| /** |
| * Inserts a view for a new item, either from the cache or by creating a new |
| * one. Returns `undefined` if the item was inserted into a cached view. |
| */ |
| _RecycleViewRepeaterStrategy.prototype._insertView = function (viewArgsFactory, currentIndex, viewContainerRef, value) { |
| var cachedView = this._insertViewFromCache(currentIndex, viewContainerRef); |
| if (cachedView) { |
| cachedView.context.$implicit = value; |
| return undefined; |
| } |
| var viewArgs = viewArgsFactory(); |
| return viewContainerRef.createEmbeddedView(viewArgs.templateRef, viewArgs.context, viewArgs.index); |
| }; |
| /** Detaches the view at the given index and inserts into the view cache. */ |
| _RecycleViewRepeaterStrategy.prototype._detachAndCacheView = function (index, viewContainerRef) { |
| var detachedView = viewContainerRef.detach(index); |
| this._maybeCacheView(detachedView, viewContainerRef); |
| }; |
| /** Moves view at the previous index to the current index. */ |
| _RecycleViewRepeaterStrategy.prototype._moveView = function (adjustedPreviousIndex, currentIndex, viewContainerRef, value) { |
| var view = viewContainerRef.get(adjustedPreviousIndex); |
| viewContainerRef.move(view, currentIndex); |
| view.context.$implicit = value; |
| return view; |
| }; |
| /** |
| * Cache the given detached view. If the cache is full, the view will be |
| * destroyed. |
| */ |
| _RecycleViewRepeaterStrategy.prototype._maybeCacheView = function (view, viewContainerRef) { |
| if (this._viewCache.length < this.viewCacheSize) { |
| this._viewCache.push(view); |
| } |
| else { |
| var index = viewContainerRef.indexOf(view); |
| // The host component could remove views from the container outside of |
| // the view repeater. It's unlikely this will occur, but just in case, |
| // destroy the view on its own, otherwise destroy it through the |
| // container to ensure that all the references are removed. |
| if (index === -1) { |
| view.destroy(); |
| } |
| else { |
| viewContainerRef.remove(index); |
| } |
| } |
| }; |
| /** Inserts a recycled view from the cache at the given index. */ |
| _RecycleViewRepeaterStrategy.prototype._insertViewFromCache = function (index, viewContainerRef) { |
| var cachedView = this._viewCache.pop(); |
| if (cachedView) { |
| viewContainerRef.insert(cachedView, index); |
| } |
| return cachedView || null; |
| }; |
| return _RecycleViewRepeaterStrategy; |
| }()); |
| |
| /** |
| * @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 |
| */ |
| /** |
| * Class to be used to power selecting one or more options from a list. |
| */ |
| var SelectionModel = /** @class */ (function () { |
| function SelectionModel(_multiple, initiallySelectedValues, _emitChanges) { |
| var _this = this; |
| if (_multiple === void 0) { _multiple = false; } |
| if (_emitChanges === void 0) { _emitChanges = true; } |
| this._multiple = _multiple; |
| this._emitChanges = _emitChanges; |
| /** Currently-selected values. */ |
| this._selection = new Set(); |
| /** Keeps track of the deselected options that haven't been emitted by the change event. */ |
| this._deselectedToEmit = []; |
| /** Keeps track of the selected options that haven't been emitted by the change event. */ |
| this._selectedToEmit = []; |
| /** Event emitted when the value has changed. */ |
| this.changed = new rxjs.Subject(); |
| if (initiallySelectedValues && initiallySelectedValues.length) { |
| if (_multiple) { |
| initiallySelectedValues.forEach(function (value) { return _this._markSelected(value); }); |
| } |
| else { |
| this._markSelected(initiallySelectedValues[0]); |
| } |
| // Clear the array in order to avoid firing the change event for preselected values. |
| this._selectedToEmit.length = 0; |
| } |
| } |
| Object.defineProperty(SelectionModel.prototype, "selected", { |
| /** Selected values. */ |
| get: function () { |
| if (!this._selected) { |
| this._selected = Array.from(this._selection.values()); |
| } |
| return this._selected; |
| }, |
| enumerable: false, |
| configurable: true |
| }); |
| /** |
| * Selects a value or an array of values. |
| */ |
| SelectionModel.prototype.select = function () { |
| var _this = this; |
| var values = []; |
| for (var _i = 0; _i < arguments.length; _i++) { |
| values[_i] = arguments[_i]; |
| } |
| this._verifyValueAssignment(values); |
| values.forEach(function (value) { return _this._markSelected(value); }); |
| this._emitChangeEvent(); |
| }; |
| /** |
| * Deselects a value or an array of values. |
| */ |
| SelectionModel.prototype.deselect = function () { |
| var _this = this; |
| var values = []; |
| for (var _i = 0; _i < arguments.length; _i++) { |
| values[_i] = arguments[_i]; |
| } |
| this._verifyValueAssignment(values); |
| values.forEach(function (value) { return _this._unmarkSelected(value); }); |
| this._emitChangeEvent(); |
| }; |
| /** |
| * Toggles a value between selected and deselected. |
| */ |
| SelectionModel.prototype.toggle = function (value) { |
| this.isSelected(value) ? this.deselect(value) : this.select(value); |
| }; |
| /** |
| * Clears all of the selected values. |
| */ |
| SelectionModel.prototype.clear = function () { |
| this._unmarkAll(); |
| this._emitChangeEvent(); |
| }; |
| /** |
| * Determines whether a value is selected. |
| */ |
| SelectionModel.prototype.isSelected = function (value) { |
| return this._selection.has(value); |
| }; |
| /** |
| * Determines whether the model does not have a value. |
| */ |
| SelectionModel.prototype.isEmpty = function () { |
| return this._selection.size === 0; |
| }; |
| /** |
| * Determines whether the model has a value. |
| */ |
| SelectionModel.prototype.hasValue = function () { |
| return !this.isEmpty(); |
| }; |
| /** |
| * Sorts the selected values based on a predicate function. |
| */ |
| SelectionModel.prototype.sort = function (predicate) { |
| if (this._multiple && this.selected) { |
| this._selected.sort(predicate); |
| } |
| }; |
| /** |
| * Gets whether multiple values can be selected. |
| */ |
| SelectionModel.prototype.isMultipleSelection = function () { |
| return this._multiple; |
| }; |
| /** Emits a change event and clears the records of selected and deselected values. */ |
| SelectionModel.prototype._emitChangeEvent = function () { |
| // Clear the selected values so they can be re-cached. |
| this._selected = null; |
| if (this._selectedToEmit.length || this._deselectedToEmit.length) { |
| this.changed.next({ |
| source: this, |
| added: this._selectedToEmit, |
| removed: this._deselectedToEmit |
| }); |
| this._deselectedToEmit = []; |
| this._selectedToEmit = []; |
| } |
| }; |
| /** Selects a value. */ |
| SelectionModel.prototype._markSelected = function (value) { |
| if (!this.isSelected(value)) { |
| if (!this._multiple) { |
| this._unmarkAll(); |
| } |
| this._selection.add(value); |
| if (this._emitChanges) { |
| this._selectedToEmit.push(value); |
| } |
| } |
| }; |
| /** Deselects a value. */ |
| SelectionModel.prototype._unmarkSelected = function (value) { |
| if (this.isSelected(value)) { |
| this._selection.delete(value); |
| if (this._emitChanges) { |
| this._deselectedToEmit.push(value); |
| } |
| } |
| }; |
| /** Clears out the selected values. */ |
| SelectionModel.prototype._unmarkAll = function () { |
| var _this = this; |
| if (!this.isEmpty()) { |
| this._selection.forEach(function (value) { return _this._unmarkSelected(value); }); |
| } |
| }; |
| /** |
| * Verifies the value assignment and throws an error if the specified value array is |
| * including multiple values while the selection model is not supporting multiple values. |
| */ |
| SelectionModel.prototype._verifyValueAssignment = function (values) { |
| if (values.length > 1 && !this._multiple && (typeof ngDevMode === 'undefined' || ngDevMode)) { |
| throw getMultipleValuesInSingleSelectionError(); |
| } |
| }; |
| return SelectionModel; |
| }()); |
| /** |
| * Returns an error that reports that multiple values are passed into a selection model |
| * with a single value. |
| * @docs-private |
| */ |
| function getMultipleValuesInSingleSelectionError() { |
| return Error('Cannot pass multiple values into SelectionModel with single-value mode.'); |
| } |
| |
| /** |
| * Class to coordinate unique selection based on name. |
| * Intended to be consumed as an Angular service. |
| * This service is needed because native radio change events are only fired on the item currently |
| * being selected, and we still need to uncheck the previous selection. |
| * |
| * This service does not *store* any IDs and names because they may change at any time, so it is |
| * less error-prone if they are simply passed through when the events occur. |
| */ |
| var UniqueSelectionDispatcher = /** @class */ (function () { |
| function UniqueSelectionDispatcher() { |
| this._listeners = []; |
| } |
| /** |
| * Notify other items that selection for the given name has been set. |
| * @param id ID of the item. |
| * @param name Name of the item. |
| */ |
| UniqueSelectionDispatcher.prototype.notify = function (id, name) { |
| var e_1, _a; |
| try { |
| for (var _b = __values(this._listeners), _c = _b.next(); !_c.done; _c = _b.next()) { |
| var listener = _c.value; |
| listener(id, name); |
| } |
| } |
| catch (e_1_1) { e_1 = { error: e_1_1 }; } |
| finally { |
| try { |
| if (_c && !_c.done && (_a = _b.return)) _a.call(_b); |
| } |
| finally { if (e_1) throw e_1.error; } |
| } |
| }; |
| /** |
| * Listen for future changes to item selection. |
| * @return Function used to deregister listener |
| */ |
| UniqueSelectionDispatcher.prototype.listen = function (listener) { |
| var _this = this; |
| this._listeners.push(listener); |
| return function () { |
| _this._listeners = _this._listeners.filter(function (registered) { |
| return listener !== registered; |
| }); |
| }; |
| }; |
| UniqueSelectionDispatcher.prototype.ngOnDestroy = function () { |
| this._listeners = []; |
| }; |
| return UniqueSelectionDispatcher; |
| }()); |
| UniqueSelectionDispatcher.ɵprov = i0.ɵɵdefineInjectable({ factory: function UniqueSelectionDispatcher_Factory() { return new UniqueSelectionDispatcher(); }, token: UniqueSelectionDispatcher, providedIn: "root" }); |
| UniqueSelectionDispatcher.decorators = [ |
| { type: i0.Injectable, args: [{ providedIn: 'root' },] } |
| ]; |
| |
| /** |
| * @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 for {@link _ViewRepeater}. This token is for use by Angular Material only. |
| * @docs-private |
| */ |
| var _VIEW_REPEATER_STRATEGY = new i0.InjectionToken('_ViewRepeater'); |
| |
| /** |
| * @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. |
| */ |
| |
| exports.ArrayDataSource = ArrayDataSource; |
| exports.DataSource = DataSource; |
| exports.SelectionModel = SelectionModel; |
| exports.UniqueSelectionDispatcher = UniqueSelectionDispatcher; |
| exports._DisposeViewRepeaterStrategy = _DisposeViewRepeaterStrategy; |
| exports._RecycleViewRepeaterStrategy = _RecycleViewRepeaterStrategy; |
| exports._VIEW_REPEATER_STRATEGY = _VIEW_REPEATER_STRATEGY; |
| exports.getMultipleValuesInSingleSelectionError = getMultipleValuesInSingleSelectionError; |
| exports.isDataSource = isDataSource; |
| |
| Object.defineProperty(exports, '__esModule', { value: true }); |
| |
| }))); |
| //# sourceMappingURL=cdk-collections.umd.js.map |
