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mat-daterangepicker

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Angular material date picker extension to support range selection.

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/* RANGE: Most of the code is redundant and hera as inheritance boilerplate. The relevant code adds simple logic for a 2nd input, combined with minimal changes in the datepicker component, the work is done there so in native implementation this should have minimal changes, perhaps using dedicated input without min/max/filter etc... which are only set on the 1st input */ import { __decorate, __extends, __param } from "tslib"; import { Directive, forwardRef, Optional, Input, Inject, ElementRef, OnDestroy, AfterViewInit } from '@angular/core'; import { NG_VALIDATORS, NG_VALUE_ACCESSOR } from '@angular/forms'; import { DateAdapter, MatDateFormats, MAT_DATE_FORMATS } from '@angular/material/core'; import { MatFormField } from '@angular/material/form-field'; import { MAT_INPUT_VALUE_ACCESSOR } from '@angular/material/input'; import { MatDatepickerInput, MatDatepickerInputEvent } from '@angular/material/datepicker'; import { Subscription } from 'rxjs'; export var SG_DATEPICKER_VALUE_ACCESSOR = { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(function () { return MatDaterangepickerInputEnd; }), multi: true }; export var SG_DATEPICKER_VALIDATORS = { provide: NG_VALIDATORS, useExisting: forwardRef(function () { return MatDaterangepickerInputEnd; }), multi: true }; var MatDaterangepickerInputEnd = /** @class */ (function (_super) { __extends(MatDaterangepickerInputEnd, _super); function MatDaterangepickerInputEnd(_drElementRef, _drDateAdapter, _drDateFormats, _drFormField) { var _this = _super.call(this, _drElementRef, _drDateAdapter, _drDateFormats, _drFormField) || this; _this._drElementRef = _drElementRef; _this._drDateAdapter = _drDateAdapter; _this._drDateFormats = _drDateFormats; _this._drFormField = _drFormField; _this._matDatepickerSubscription = Subscription.EMPTY; _this._drCvaOnChange = function () { }; _this._drDatepickerClearSubscription = Subscription.EMPTY; return _this; } MatDaterangepickerInputEnd_1 = MatDaterangepickerInputEnd; Object.defineProperty(MatDaterangepickerInputEnd.prototype, "matDaterangepickerEnd", { set: function (value) { if (this._datepicker !== value) { this.unregister(); this._datepicker = value; value._registerInputRangeEnd(this); } }, enumerable: true, configurable: true }); Object.defineProperty(MatDaterangepickerInputEnd.prototype, "_matDaterangepickerEnd", { get: function () { return this._datepicker; }, enumerable: true, configurable: true }); MatDaterangepickerInputEnd.prototype.ngAfterViewInit = function () { // Object.defineProperty(this, 'value', { // set: function (value: D | null) { // if(!this._matDaterangepickerEnd.applyButton){ // console.log('end '+value) // return; // } // value = this._dateAdapter.deserialize(value); // this._lastValueValid = !value || this._dateAdapter.isValid(value); // value = this._getValidDateOrNull(value); // const oldDate = this.value; // this['_assignValue'](value); // this['_formatValue'](value); // if (!this._dateAdapter.sameDate(oldDate, value)) { // this._valueChange.emit(value); // } // } // }) }; MatDaterangepickerInputEnd.prototype.ngAfterContentInit = function () { var _this = this; if (this._datepicker) { this._matDatepickerSubscription = this._matDaterangepickerEnd._selectedChangedRangeEnd.subscribe(function (selected) { _this.value = selected; _this._drCvaOnChange(selected); _this._onTouched(); _this.dateInput.emit(new MatDatepickerInputEvent(_this, _this._drElementRef.nativeElement)); _this.dateChange.emit(new MatDatepickerInputEvent(_this, _this._drElementRef.nativeElement)); }); //runs every clear range end this._drDatepickerClearSubscription = this._matDaterangepickerEnd._clearRangeEnd.subscribe(function () { _this.value = null; _this._drCvaOnChange(null); }); } }; MatDaterangepickerInputEnd.prototype.ngOnDestroy = function () { _super.prototype.ngOnDestroy.call(this); this.unregister(); this._matDatepickerSubscription.unsubscribe(); this._drDatepickerClearSubscription.unsubscribe(); }; // Implemented as part of ControlValueAccessor. MatDaterangepickerInputEnd.prototype.registerOnChange = function (fn) { this._drCvaOnChange = fn; _super.prototype.registerOnChange.call(this, fn); }; MatDaterangepickerInputEnd.prototype.unregister = function () { if (this._matDaterangepickerEnd) { this._matDaterangepickerEnd._unregisterInputRangeEnd(this); } }; var MatDaterangepickerInputEnd_1; MatDaterangepickerInputEnd.ctorParameters = function () { return [ { type: ElementRef }, { type: DateAdapter, decorators: [{ type: Optional }] }, { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_DATE_FORMATS,] }] }, { type: MatFormField, decorators: [{ type: Optional }] } ]; }; __decorate([ Input() ], MatDaterangepickerInputEnd.prototype, "matDaterangepickerEnd", null); MatDaterangepickerInputEnd = MatDaterangepickerInputEnd_1 = __decorate([ Directive({ selector: '[matDaterangepickerEnd]', providers: [ SG_DATEPICKER_VALUE_ACCESSOR, SG_DATEPICKER_VALIDATORS, { provide: MAT_INPUT_VALUE_ACCESSOR, useExisting: MatDaterangepickerInputEnd_1 }, ], host: { '[attr.aria-haspopup]': 'true', '[attr.aria-owns]': '(_datepicker?.opened && _datepicker.id) || null', '[attr.min]': 'min ? _dateAdapter.toIso8601(min) : null', '[attr.max]': 'max ? _dateAdapter.toIso8601(max) : null', '[disabled]': 'disabled', '(input)': '_onInput($event.target.value)', '(change)': '_onChange()', '(blur)': '_onBlur()', '(keydown)': '_onKeydown($event)', }, exportAs: 'MatDaterangepickerInputEnd', }), __param(1, Optional()), __param(2, Optional()), __param(2, Inject(MAT_DATE_FORMATS)), __param(3, Optional()) ], MatDaterangepickerInputEnd); return MatDaterangepickerInputEnd; }(MatDatepickerInput)); export { MatDaterangepickerInputEnd }; //# 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   RANGE: Most of the code is redundant and hera as inheritance boilerplate.\n    The relevant code adds simple logic for a 2nd input, combined with minimal changes in the\n    datepicker component, the work is done there so in native implementation this should have\n    minimal changes, perhaps using dedicated input without min/max/filter etc... which are only\n    set on the 1st input\n*/\n\nimport { Directive, forwardRef, Optional, Input, Inject, ElementRef, OnDestroy, AfterViewInit } from '@angular/core';\nimport { NG_VALIDATORS, NG_VALUE_ACCESSOR } from '@angular/forms';\n\nimport { DateAdapter, MatDateFormats, MAT_DATE_FORMATS } from '@angular/material/core';\nimport { MatFormField } from '@angular/material/form-field';\nimport { MAT_INPUT_VALUE_ACCESSOR } from '@angular/material/input';\nimport { MatDatepickerInput, MatDatepickerInputEvent } from '@angular/material/datepicker';\n\nimport { MatDaterangepicker } from './datepicker.component';\nimport { Subscription } from 'rxjs';\n\nexport const SG_DATEPICKER_VALUE_ACCESSOR: any = {\n  provide: NG_VALUE_ACCESSOR,\n  useExisting: forwardRef(() => MatDaterangepickerInputEnd),\n  multi: true\n};\n\n\nexport const SG_DATEPICKER_VALIDATORS: any = {\n  provide: NG_VALIDATORS,\n  useExisting: forwardRef(() => MatDaterangepickerInputEnd),\n  multi: true\n};\n\n\n@Directive({\n  selector: '[matDaterangepickerEnd]',\n  providers: [\n    SG_DATEPICKER_VALUE_ACCESSOR,\n    SG_DATEPICKER_VALIDATORS,\n    {provide: MAT_INPUT_VALUE_ACCESSOR, useExisting: MatDaterangepickerInputEnd},\n  ],\n  host: {\n    '[attr.aria-haspopup]': 'true',\n    '[attr.aria-owns]': '(_datepicker?.opened && _datepicker.id) || null',\n    '[attr.min]': 'min ? _dateAdapter.toIso8601(min) : null',\n    '[attr.max]': 'max ? _dateAdapter.toIso8601(max) : null',\n    '[disabled]': 'disabled',\n    '(input)': '_onInput($event.target.value)',\n    '(change)': '_onChange()',\n    '(blur)': '_onBlur()',\n    '(keydown)': '_onKeydown($event)',\n  },\n  exportAs: 'MatDaterangepickerInputEnd',\n})\nexport class MatDaterangepickerInputEnd<D> extends MatDatepickerInput<D> implements AfterViewInit, OnDestroy {\n\t@Input()\n\tset matDaterangepickerEnd(value: MatDaterangepicker<D>) {\n\t\tif (this._datepicker !== value) {\n\t\t\tthis.unregister();\n\t\t\tthis._datepicker = value;\n\t\t\tvalue._registerInputRangeEnd(this);\n\t\t}\n\t}\n\n\tprivate get _matDaterangepickerEnd() : MatDaterangepicker<D> {\n\t\treturn <any> this._datepicker;\n\t}\n\n\tprivate _matDatepickerSubscription = Subscription.EMPTY;\n\tprivate _drCvaOnChange: (value: any) => void = () => {};\n\n\tprivate _drDatepickerClearSubscription = Subscription.EMPTY;\n\n\tconstructor(private _drElementRef: ElementRef,\n\t\t\t\t@Optional() public _drDateAdapter: DateAdapter<D>,\n\t\t\t\t@Optional() @Inject(MAT_DATE_FORMATS) private _drDateFormats: MatDateFormats,\n\t\t\t\t@Optional() private _drFormField: MatFormField) {\n\t\tsuper(_drElementRef, _drDateAdapter, _drDateFormats, _drFormField); \n\t}\n\n\tngAfterViewInit(){\n\t\t// Object.defineProperty(this, 'value', {\n\t\t//   set: function (value: D | null) {\n\t\t//     if(!this._matDaterangepickerEnd.applyButton){\n\t\t//       console.log('end '+value)\n\t\t//       return;\n\t\t//     }\n\t\t//     value = this._dateAdapter.deserialize(value);\n\t\t//     this._lastValueValid = !value || this._dateAdapter.isValid(value);\n\t\t//     value = this._getValidDateOrNull(value);\n\t\t//     const oldDate = this.value;\n\t\t//     this['_assignValue'](value);\n\t\t//     this['_formatValue'](value);\n\n\t\t//     if (!this._dateAdapter.sameDate(oldDate, value)) {\n\t\t//       this._valueChange.emit(value);\n\t\t//     }\n\t\t//   }\n\t\t// })\n\t}\n\n\tngAfterContentInit() {\n\t\tif (this._datepicker) {\n\t\t\tthis._matDatepickerSubscription = this._matDaterangepickerEnd._selectedChangedRangeEnd.subscribe((selected: D) => {\n\t\t\t\tthis.value = selected;\n\t\t\t\tthis._drCvaOnChange(selected);\n\t\t\t\tthis._onTouched();\n\t\t\t\tthis.dateInput.emit(new MatDatepickerInputEvent(this, this._drElementRef.nativeElement));\n\t\t\t\tthis.dateChange.emit(new MatDatepickerInputEvent(this, this._drElementRef.nativeElement));\n\t\t\t})\n\n\t\t\t//runs every clear range end\n\t\t\tthis._drDatepickerClearSubscription = this._matDaterangepickerEnd._clearRangeEnd.subscribe(() => {\n\t\t\t\tthis.value = null\n\t\t\t\tthis._drCvaOnChange(null);\n\t\t\t})\n\t\t}\n\t}\n\n\tngOnDestroy(): void {\n\t\tsuper.ngOnDestroy();\n\t\tthis.unregister();\n\t\tthis._matDatepickerSubscription.unsubscribe();\n\t\tthis._drDatepickerClearSubscription.unsubscribe();\n\t}\n\n\t// Implemented as part of ControlValueAccessor.\n\tregisterOnChange(fn: (value: any) => void): void {\n\t\tthis._drCvaOnChange = fn;\n\t\tsuper.registerOnChange(fn);\n\t}\n\n\tprivate unregister(): void {\n\t\tif (this._matDaterangepickerEnd) {\n\t\t\tthis._matDaterangepickerEnd._unregisterInputRangeEnd(this);\n\t\t}\n\t}\n}\n"]}