/**
 * @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 { Subject } from 'rxjs';
/**
 * Class to be used to power selecting one or more options from a list.
 */
export class SelectionModel {
    constructor(_multiple = false, initiallySelectedValues, _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 Subject();
        if (initiallySelectedValues && initiallySelectedValues.length) {
            if (_multiple) {
                initiallySelectedValues.forEach(value => 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;
        }
    }
    /** Selected values. */
    get selected() {
        if (!this._selected) {
            this._selected = Array.from(this._selection.values());
        }
        return this._selected;
    }
    /**
     * Selects a value or an array of values.
     */
    select(...values) {
        this._verifyValueAssignment(values);
        values.forEach(value => this._markSelected(value));
        this._emitChangeEvent();
    }
    /**
     * Deselects a value or an array of values.
     */
    deselect(...values) {
        this._verifyValueAssignment(values);
        values.forEach(value => this._unmarkSelected(value));
        this._emitChangeEvent();
    }
    /**
     * Toggles a value between selected and deselected.
     */
    toggle(value) {
        this.isSelected(value) ? this.deselect(value) : this.select(value);
    }
    /**
     * Clears all of the selected values.
     */
    clear() {
        this._unmarkAll();
        this._emitChangeEvent();
    }
    /**
     * Determines whether a value is selected.
     */
    isSelected(value) {
        return this._selection.has(value);
    }
    /**
     * Determines whether the model does not have a value.
     */
    isEmpty() {
        return this._selection.size === 0;
    }
    /**
     * Determines whether the model has a value.
     */
    hasValue() {
        return !this.isEmpty();
    }
    /**
     * Sorts the selected values based on a predicate function.
     */
    sort(predicate) {
        if (this._multiple && this.selected) {
            this._selected.sort(predicate);
        }
    }
    /**
     * Gets whether multiple values can be selected.
     */
    isMultipleSelection() {
        return this._multiple;
    }
    /** Emits a change event and clears the records of selected and deselected values. */
    _emitChangeEvent() {
        // 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. */
    _markSelected(value) {
        if (!this.isSelected(value)) {
            if (!this._multiple) {
                this._unmarkAll();
            }
            this._selection.add(value);
            if (this._emitChanges) {
                this._selectedToEmit.push(value);
            }
        }
    }
    /** Deselects a value. */
    _unmarkSelected(value) {
        if (this.isSelected(value)) {
            this._selection.delete(value);
            if (this._emitChanges) {
                this._deselectedToEmit.push(value);
            }
        }
    }
    /** Clears out the selected values. */
    _unmarkAll() {
        if (!this.isEmpty()) {
            this._selection.forEach(value => 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.
     */
    _verifyValueAssignment(values) {
        if (values.length > 1 && !this._multiple && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getMultipleValuesInSingleSelectionError();
        }
    }
}
/**
 * Returns an error that reports that multiple values are passed into a selection model
 * with a single value.
 * @docs-private
 */
export function getMultipleValuesInSingleSelectionError() {
    return Error('Cannot pass multiple values into SelectionModel with single-value mode.');
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"selection-model.js","sourceRoot":"","sources":["../../../../../../src/cdk/collections/selection-model.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,OAAO,EAAC,MAAM,MAAM,CAAC;AAE7B;;GAEG;AACH,MAAM,OAAO,cAAc;IAyBzB,YACU,YAAY,KAAK,EACzB,uBAA6B,EACrB,eAAe,IAAI;QAFnB,cAAS,GAAT,SAAS,CAAQ;QAEjB,iBAAY,GAAZ,YAAY,CAAO;QA3B7B,iCAAiC;QACzB,eAAU,GAAG,IAAI,GAAG,EAAK,CAAC;QAElC,2FAA2F;QACnF,sBAAiB,GAAQ,EAAE,CAAC;QAEpC,yFAAyF;QACjF,oBAAe,GAAQ,EAAE,CAAC;QAclC,gDAAgD;QACvC,YAAO,GAAG,IAAI,OAAO,EAAsB,CAAC;QAOnD,IAAI,uBAAuB,IAAI,uBAAuB,CAAC,MAAM,EAAE;YAC7D,IAAI,SAAS,EAAE;gBACb,uBAAuB,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE,CAAC,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC,CAAC;aACrE;iBAAM;gBACL,IAAI,CAAC,aAAa,CAAC,uBAAuB,CAAC,CAAC,CAAC,CAAC,CAAC;aAChD;YAED,oFAAoF;YACpF,IAAI,CAAC,eAAe,CAAC,MAAM,GAAG,CAAC,CAAC;SACjC;IACH,CAAC;IA3BD,uBAAuB;IACvB,IAAI,QAAQ;QACV,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE;YACnB,IAAI,CAAC,SAAS,GAAG,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,UAAU,CAAC,MAAM,EAAE,CAAC,CAAC;SACvD;QAED,OAAO,IAAI,CAAC,SAAS,CAAC;IACxB,CAAC;IAsBD;;OAEG;IACH,MAAM,CAAC,GAAG,MAAW;QACnB,IAAI,CAAC,sBAAsB,CAAC,MAAM,CAAC,CAAC;QACpC,MAAM,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE,CAAC,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC,CAAC;QACnD,IAAI,CAAC,gBAAgB,EAAE,CAAC;IAC1B,CAAC;IAED;;OAEG;IACH,QAAQ,CAAC,GAAG,MAAW;QACrB,IAAI,CAAC,sBAAsB,CAAC,MAAM,CAAC,CAAC;QACpC,MAAM,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE,CAAC,IAAI,CAAC,eAAe,CAAC,KAAK,CAAC,CAAC,CAAC;QACrD,IAAI,CAAC,gBAAgB,EAAE,CAAC;IAC1B,CAAC;IAED;;OAEG;IACH,MAAM,CAAC,KAAQ;QACb,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;IACrE,CAAC;IAED;;OAEG;IACH,KAAK;QACH,IAAI,CAAC,UAAU,EAAE,CAAC;QAClB,IAAI,CAAC,gBAAgB,EAAE,CAAC;IAC1B,CAAC;IAED;;OAEG;IACH,UAAU,CAAC,KAAQ;QACjB,OAAO,IAAI,CAAC,UAAU,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC;IACpC,CAAC;IAED;;OAEG;IACH,OAAO;QACL,OAAO,IAAI,CAAC,UAAU,CAAC,IAAI,KAAK,CAAC,CAAC;IACpC,CAAC;IAED;;OAEG;IACH,QAAQ;QACN,OAAO,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;IACzB,CAAC;IAED;;OAEG;IACH,IAAI,CAAC,SAAkC;QACrC,IAAI,IAAI,CAAC,SAAS,IAAI,IAAI,CAAC,QAAQ,EAAE;YACnC,IAAI,CAAC,SAAU,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;SACjC;IACH,CAAC;IAED;;OAEG;IACH,mBAAmB;QACjB,OAAO,IAAI,CAAC,SAAS,CAAC;IACxB,CAAC;IAED,qFAAqF;IAC7E,gBAAgB;QACtB,sDAAsD;QACtD,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC;QAEtB,IAAI,IAAI,CAAC,eAAe,CAAC,MAAM,IAAI,IAAI,CAAC,iBAAiB,CAAC,MAAM,EAAE;YAChE,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC;gBAChB,MAAM,EAAE,IAAI;gBACZ,KAAK,EAAE,IAAI,CAAC,eAAe;gBAC3B,OAAO,EAAE,IAAI,CAAC,iBAAiB;aAChC,CAAC,CAAC;YAEH,IAAI,CAAC,iBAAiB,GAAG,EAAE,CAAC;YAC5B,IAAI,CAAC,eAAe,GAAG,EAAE,CAAC;SAC3B;IACH,CAAC;IAED,uBAAuB;IACf,aAAa,CAAC,KAAQ;QAC5B,IAAI,CAAC,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,EAAE;YAC3B,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE;gBACnB,IAAI,CAAC,UAAU,EAAE,CAAC;aACnB;YAED,IAAI,CAAC,UAAU,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC;YAE3B,IAAI,IAAI,CAAC,YAAY,EAAE;gBACrB,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;aAClC;SACF;IACH,CAAC;IAED,yBAAyB;IACjB,eAAe,CAAC,KAAQ;QAC9B,IAAI,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,EAAE;YAC1B,IAAI,CAAC,UAAU,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;YAE9B,IAAI,IAAI,CAAC,YAAY,EAAE;gBACrB,IAAI,CAAC,iBAAiB,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;aACpC;SACF;IACH,CAAC;IAED,sCAAsC;IAC9B,UAAU;QAChB,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,EAAE;YACnB,IAAI,CAAC,UAAU,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE,CAAC,IAAI,CAAC,eAAe,CAAC,KAAK,CAAC,CAAC,CAAC;SAC/D;IACH,CAAC;IAED;;;OAGG;IACK,sBAAsB,CAAC,MAAW;QACxC,IAAI,MAAM,CAAC,MAAM,GAAG,CAAC,IAAI,CAAC,IAAI,CAAC,SAAS,IAAI,CAAC,OAAO,SAAS,KAAK,WAAW,IAAI,SAAS,CAAC,EAAE;YAC3F,MAAM,uCAAuC,EAAE,CAAC;SACjD;IACH,CAAC;CACF;AAeD;;;;GAIG;AACH,MAAM,UAAU,uCAAuC;IACrD,OAAO,KAAK,CAAC,yEAAyE,CAAC,CAAC;AAC1F,CAAC","sourcesContent":["/**\n * @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 {Subject} from 'rxjs';\n\n/**\n * Class to be used to power selecting one or more options from a list.\n */\nexport class SelectionModel<T> {\n  /** Currently-selected values. */\n  private _selection = new Set<T>();\n\n  /** Keeps track of the deselected options that haven't been emitted by the change event. */\n  private _deselectedToEmit: T[] = [];\n\n  /** Keeps track of the selected options that haven't been emitted by the change event. */\n  private _selectedToEmit: T[] = [];\n\n  /** Cache for the array value of the selected items. */\n  private _selected: T[] | null;\n\n  /** Selected values. */\n  get selected(): T[] {\n    if (!this._selected) {\n      this._selected = Array.from(this._selection.values());\n    }\n\n    return this._selected;\n  }\n\n  /** Event emitted when the value has changed. */\n  readonly changed = new Subject<SelectionChange<T>>();\n\n  constructor(\n    private _multiple = false,\n    initiallySelectedValues?: T[],\n    private _emitChanges = true) {\n\n    if (initiallySelectedValues && initiallySelectedValues.length) {\n      if (_multiple) {\n        initiallySelectedValues.forEach(value => this._markSelected(value));\n      } else {\n        this._markSelected(initiallySelectedValues[0]);\n      }\n\n      // Clear the array in order to avoid firing the change event for preselected values.\n      this._selectedToEmit.length = 0;\n    }\n  }\n\n  /**\n   * Selects a value or an array of values.\n   */\n  select(...values: T[]): void {\n    this._verifyValueAssignment(values);\n    values.forEach(value => this._markSelected(value));\n    this._emitChangeEvent();\n  }\n\n  /**\n   * Deselects a value or an array of values.\n   */\n  deselect(...values: T[]): void {\n    this._verifyValueAssignment(values);\n    values.forEach(value => this._unmarkSelected(value));\n    this._emitChangeEvent();\n  }\n\n  /**\n   * Toggles a value between selected and deselected.\n   */\n  toggle(value: T): void {\n    this.isSelected(value) ? this.deselect(value) : this.select(value);\n  }\n\n  /**\n   * Clears all of the selected values.\n   */\n  clear(): void {\n    this._unmarkAll();\n    this._emitChangeEvent();\n  }\n\n  /**\n   * Determines whether a value is selected.\n   */\n  isSelected(value: T): boolean {\n    return this._selection.has(value);\n  }\n\n  /**\n   * Determines whether the model does not have a value.\n   */\n  isEmpty(): boolean {\n    return this._selection.size === 0;\n  }\n\n  /**\n   * Determines whether the model has a value.\n   */\n  hasValue(): boolean {\n    return !this.isEmpty();\n  }\n\n  /**\n   * Sorts the selected values based on a predicate function.\n   */\n  sort(predicate?: (a: T, b: T) => number): void {\n    if (this._multiple && this.selected) {\n      this._selected!.sort(predicate);\n    }\n  }\n\n  /**\n   * Gets whether multiple values can be selected.\n   */\n  isMultipleSelection() {\n    return this._multiple;\n  }\n\n  /** Emits a change event and clears the records of selected and deselected values. */\n  private _emitChangeEvent() {\n    // Clear the selected values so they can be re-cached.\n    this._selected = null;\n\n    if (this._selectedToEmit.length || this._deselectedToEmit.length) {\n      this.changed.next({\n        source: this,\n        added: this._selectedToEmit,\n        removed: this._deselectedToEmit\n      });\n\n      this._deselectedToEmit = [];\n      this._selectedToEmit = [];\n    }\n  }\n\n  /** Selects a value. */\n  private _markSelected(value: T) {\n    if (!this.isSelected(value)) {\n      if (!this._multiple) {\n        this._unmarkAll();\n      }\n\n      this._selection.add(value);\n\n      if (this._emitChanges) {\n        this._selectedToEmit.push(value);\n      }\n    }\n  }\n\n  /** Deselects a value. */\n  private _unmarkSelected(value: T) {\n    if (this.isSelected(value)) {\n      this._selection.delete(value);\n\n      if (this._emitChanges) {\n        this._deselectedToEmit.push(value);\n      }\n    }\n  }\n\n  /** Clears out the selected values. */\n  private _unmarkAll() {\n    if (!this.isEmpty()) {\n      this._selection.forEach(value => this._unmarkSelected(value));\n    }\n  }\n\n  /**\n   * Verifies the value assignment and throws an error if the specified value array is\n   * including multiple values while the selection model is not supporting multiple values.\n   */\n  private _verifyValueAssignment(values: T[]) {\n    if (values.length > 1 && !this._multiple && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n      throw getMultipleValuesInSingleSelectionError();\n    }\n  }\n}\n\n/**\n * Event emitted when the value of a MatSelectionModel has changed.\n * @docs-private\n */\nexport interface SelectionChange<T> {\n  /** Model that dispatched the event. */\n  source: SelectionModel<T>;\n  /** Options that were added to the model. */\n  added: T[];\n  /** Options that were removed from the model. */\n  removed: T[];\n}\n\n/**\n * Returns an error that reports that multiple values are passed into a selection model\n * with a single value.\n * @docs-private\n */\nexport function getMultipleValuesInSingleSelectionError() {\n  return Error('Cannot pass multiple values into SelectionModel with single-value mode.');\n}\n"]}