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(global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/a11y'), require('@angular/cdk/bidi'), require('@angular/cdk/coercion'), require('@angular/cdk/keycodes'), require('@angular/common'), require('@angular/core'), require('rxjs'), require('rxjs/operators')) :\n typeof define === 'function' && define.amd ? define('@angular/cdk/stepper', ['exports', '@angular/cdk/a11y', '@angular/cdk/bidi', '@angular/cdk/coercion', '@angular/cdk/keycodes', '@angular/common', '@angular/core', 'rxjs', 'rxjs/operators'], factory) :\n (global = global || self, factory((global.ng = global.ng || {}, global.ng.cdk = global.ng.cdk || {}, global.ng.cdk.stepper = {}), global.ng.cdk.a11y, global.ng.cdk.bidi, global.ng.cdk.coercion, global.ng.cdk.keycodes, global.ng.common, global.ng.core, global.rxjs, global.rxjs.operators));\n}(this, (function (exports, a11y, bidi, coercion, keycodes, common, core, rxjs, operators) { 'use strict';\n\n /**\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 var CdkStepHeader = /** @class */ (function () {\n function CdkStepHeader(_elementRef) {\n this._elementRef = _elementRef;\n }\n /** Focuses the step header. */\n CdkStepHeader.prototype.focus = function () {\n this._elementRef.nativeElement.focus();\n };\n return CdkStepHeader;\n }());\n CdkStepHeader.decorators = [\n { type: core.Directive, args: [{\n selector: '[cdkStepHeader]',\n host: {\n 'role': 'tab',\n },\n },] }\n ];\n CdkStepHeader.ctorParameters = function () { return [\n { type: core.ElementRef }\n ]; };\n\n /**\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 var CdkStepLabel = /** @class */ (function () {\n function CdkStepLabel(/** @docs-private */ template) {\n this.template = template;\n }\n return CdkStepLabel;\n }());\n CdkStepLabel.decorators = [\n { type: core.Directive, args: [{\n selector: '[cdkStepLabel]',\n },] }\n ];\n CdkStepLabel.ctorParameters = function () { return [\n { type: core.TemplateRef }\n ]; };\n\n /**\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 /** Used to generate unique ID for each stepper component. */\n var nextId = 0;\n /** Change event emitted on selection changes. */\n var StepperSelectionEvent = /** @class */ (function () {\n function StepperSelectionEvent() {\n }\n return StepperSelectionEvent;\n }());\n /** Enum to represent the different states of the steps. */\n var STEP_STATE = {\n NUMBER: 'number',\n EDIT: 'edit',\n DONE: 'done',\n ERROR: 'error'\n };\n /** InjectionToken that can be used to specify the global stepper options. */\n var STEPPER_GLOBAL_OPTIONS = new core.InjectionToken('STEPPER_GLOBAL_OPTIONS');\n /**\n * InjectionToken that can be used to specify the global stepper options.\n * @deprecated Use `STEPPER_GLOBAL_OPTIONS` instead.\n * @breaking-change 8.0.0.\n */\n var MAT_STEPPER_GLOBAL_OPTIONS = STEPPER_GLOBAL_OPTIONS;\n var CdkStep = /** @class */ (function () {\n /** @breaking-change 8.0.0 remove the `?` after `stepperOptions` */\n function CdkStep(_stepper, stepperOptions) {\n this._stepper = _stepper;\n /** Whether user has seen the expanded step content or not. */\n this.interacted = false;\n this._editable = true;\n this._optional = false;\n this._completedOverride = null;\n this._customError = null;\n this._stepperOptions = stepperOptions ? stepperOptions : {};\n this._displayDefaultIndicatorType = this._stepperOptions.displayDefaultIndicatorType !== false;\n this._showError = !!this._stepperOptions.showError;\n }\n Object.defineProperty(CdkStep.prototype, \"editable\", {\n /** Whether the user can return to this step once it has been marked as completed. */\n get: function () {\n return this._editable;\n },\n set: function (value) {\n this._editable = coercion.coerceBooleanProperty(value);\n },\n enumerable: false,\n configurable: true\n });\n Object.defineProperty(CdkStep.prototype, \"optional\", {\n /** Whether the completion of step is optional. */\n get: function () {\n return this._optional;\n },\n set: function (value) {\n this._optional = coercion.coerceBooleanProperty(value);\n },\n enumerable: false,\n configurable: true\n });\n Object.defineProperty(CdkStep.prototype, \"completed\", {\n /** Whether step is marked as completed. */\n get: function () {\n return this._completedOverride == null ? this._getDefaultCompleted() : this._completedOverride;\n },\n set: function (value) {\n this._completedOverride = coercion.coerceBooleanProperty(value);\n },\n enumerable: false,\n configurable: true\n });\n CdkStep.prototype._getDefaultCompleted = function () {\n return this.stepControl ? this.stepControl.valid && this.interacted : this.interacted;\n };\n Object.defineProperty(CdkStep.prototype, \"hasError\", {\n /** Whether step has an error. */\n get: function () {\n return this._customError == null ? this._getDefaultError() : this._customError;\n },\n set: function (value) {\n this._customError = coercion.coerceBooleanProperty(value);\n },\n enumerable: false,\n configurable: true\n });\n CdkStep.prototype._getDefaultError = function () {\n return this.stepControl && this.stepControl.invalid && this.interacted;\n };\n /** Selects this step component. */\n CdkStep.prototype.select = function () {\n this._stepper.selected = this;\n };\n /** Resets the step to its initial state. Note that this includes resetting form data. */\n CdkStep.prototype.reset = function () {\n this.interacted = false;\n if (this._completedOverride != null) {\n this._completedOverride = false;\n }\n if (this._customError != null) {\n this._customError = false;\n }\n if (this.stepControl) {\n this.stepControl.reset();\n }\n };\n CdkStep.prototype.ngOnChanges = function () {\n // Since basically all inputs of the MatStep get proxied through the view down to the\n // underlying MatStepHeader, we have to make sure that change detection runs correctly.\n this._stepper._stateChanged();\n };\n return CdkStep;\n }());\n CdkStep.decorators = [\n { type: core.Component, args: [{\n selector: 'cdk-step',\n exportAs: 'cdkStep',\n template: '<ng-template><ng-content></ng-content></ng-template>',\n encapsulation: core.ViewEncapsulation.None,\n changeDetection: core.ChangeDetectionStrategy.OnPush\n },] }\n ];\n CdkStep.ctorParameters = function () { return [\n { type: CdkStepper, decorators: [{ type: core.Inject, args: [core.forwardRef(function () { return CdkStepper; }),] }] },\n { type: undefined, decorators: [{ type: core.Optional }, { type: core.Inject, args: [STEPPER_GLOBAL_OPTIONS,] }] }\n ]; };\n CdkStep.propDecorators = {\n stepLabel: [{ type: core.ContentChild, args: [CdkStepLabel,] }],\n content: [{ type: core.ViewChild, args: [core.TemplateRef, { static: true },] }],\n stepControl: [{ type: core.Input }],\n label: [{ type: core.Input }],\n errorMessage: [{ type: core.Input }],\n ariaLabel: [{ type: core.Input, args: ['aria-label',] }],\n ariaLabelledby: [{ type: core.Input, args: ['aria-labelledby',] }],\n state: [{ type: core.Input }],\n editable: [{ type: core.Input }],\n optional: [{ type: core.Input }],\n completed: [{ type: core.Input }],\n hasError: [{ type: core.Input }]\n };\n var CdkStepper = /** @class */ (function () {\n function CdkStepper(_dir, _changeDetectorRef, \n // @breaking-change 8.0.0 `_elementRef` and `_document` parameters to become required.\n _elementRef, _document) {\n this._dir = _dir;\n this._changeDetectorRef = _changeDetectorRef;\n this._elementRef = _elementRef;\n /** Emits when the component is destroyed. */\n this._destroyed = new rxjs.Subject();\n /** Steps that belong to the current stepper, excluding ones from nested steppers. */\n this.steps = new core.QueryList();\n this._linear = false;\n this._selectedIndex = 0;\n /** Event emitted when the selected step has changed. */\n this.selectionChange = new core.EventEmitter();\n this._orientation = 'horizontal';\n this._groupId = nextId++;\n this._document = _document;\n }\n Object.defineProperty(CdkStepper.prototype, \"linear\", {\n /** Whether the validity of previous steps should be checked or not. */\n get: function () {\n return this._linear;\n },\n set: function (value) {\n this._linear = coercion.coerceBooleanProperty(value);\n },\n enumerable: false,\n configurable: true\n });\n Object.defineProperty(CdkStepper.prototype, \"selectedIndex\", {\n /** The index of the selected step. */\n get: function () {\n return this._selectedIndex;\n },\n set: function (index) {\n var newIndex = coercion.coerceNumberProperty(index);\n if (this.steps && this._steps) {\n // Ensure that the index can't be out of bounds.\n if (!this._isValidIndex(index) && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n throw Error('cdkStepper: Cannot assign out-of-bounds value to `selectedIndex`.');\n }\n var selectedStep = this.selected;\n if (selectedStep) {\n // TODO: this should really be called something like `visited` instead. Just because\n // the user has seen the step doesn't guarantee that they've interacted with it.\n selectedStep.interacted = true;\n }\n if (this._selectedIndex !== newIndex && !this._anyControlsInvalidOrPending(newIndex) &&\n (newIndex >= this._selectedIndex || this.steps.toArray()[newIndex].editable)) {\n this._updateSelectedItemIndex(index);\n }\n }\n else {\n this._selectedIndex = newIndex;\n }\n },\n enumerable: false,\n configurable: true\n });\n Object.defineProperty(CdkStepper.prototype, \"selected\", {\n /** The step that is selected. */\n get: function () {\n // @breaking-change 8.0.0 Change return type to `CdkStep | undefined`.\n return this.steps ? this.steps.toArray()[this.selectedIndex] : undefined;\n },\n set: function (step) {\n this.selectedIndex = this.steps ? this.steps.toArray().indexOf(step) : -1;\n },\n enumerable: false,\n configurable: true\n });\n CdkStepper.prototype.ngAfterContentInit = function () {\n var _this = this;\n this._steps.changes\n .pipe(operators.startWith(this._steps), operators.takeUntil(this._destroyed))\n .subscribe(function (steps) {\n _this.steps.reset(steps.filter(function (step) { return step._stepper === _this; }));\n _this.steps.notifyOnChanges();\n });\n };\n CdkStepper.prototype.ngAfterViewInit = function () {\n var _this = this;\n // Note that while the step headers are content children by default, any components that\n // extend this one might have them as view children. We initialize the keyboard handling in\n // AfterViewInit so we're guaranteed for both view and content children to be defined.\n this._keyManager = new a11y.FocusKeyManager(this._stepHeader)\n .withWrap()\n .withHomeAndEnd()\n .withVerticalOrientation(this._orientation === 'vertical');\n (this._dir ? this._dir.change : rxjs.of())\n .pipe(operators.startWith(this._layoutDirection()), operators.takeUntil(this._destroyed))\n .subscribe(function (direction) { return _this._keyManager.withHorizontalOrientation(direction); });\n this._keyManager.updateActiveItem(this._selectedIndex);\n // No need to `takeUntil` here, because we're the ones destroying `steps`.\n this.steps.changes.subscribe(function () {\n if (!_this.selected) {\n _this._selectedIndex = Math.max(_this._selectedIndex - 1, 0);\n }\n });\n // The logic which asserts that the selected index is within bounds doesn't run before the\n // steps are initialized, because we don't how many steps there are yet so we may have an\n // invalid index on init. If that's the case, auto-correct to the default so we don't throw.\n if (!this._isValidIndex(this._selectedIndex)) {\n this._selectedIndex = 0;\n }\n };\n CdkStepper.prototype.ngOnDestroy = function () {\n this.steps.destroy();\n this._destroyed.next();\n this._destroyed.complete();\n };\n /** Selects and focuses the next step in list. */\n CdkStepper.prototype.next = function () {\n this.selectedIndex = Math.min(this._selectedIndex + 1, this.steps.length - 1);\n };\n /** Selects and focuses the previous step in list. */\n CdkStepper.prototype.previous = function () {\n this.selectedIndex = Math.max(this._selectedIndex - 1, 0);\n };\n /** Resets the stepper to its initial state. Note that this includes clearing form data. */\n CdkStepper.prototype.reset = function () {\n this._updateSelectedItemIndex(0);\n this.steps.forEach(function (step) { return step.reset(); });\n this._stateChanged();\n };\n /** Returns a unique id for each step label element. */\n CdkStepper.prototype._getStepLabelId = function (i) {\n return \"cdk-step-label-\" + this._groupId + \"-\" + i;\n };\n /** Returns unique id for each step content element. */\n CdkStepper.prototype._getStepContentId = function (i) {\n return \"cdk-step-content-\" + this._groupId + \"-\" + i;\n };\n /** Marks the component to be change detected. */\n CdkStepper.prototype._stateChanged = function () {\n this._changeDetectorRef.markForCheck();\n };\n /** Returns position state of the step with the given index. */\n CdkStepper.prototype._getAnimationDirection = function (index) {\n var position = index - this._selectedIndex;\n if (position < 0) {\n return this._layoutDirection() === 'rtl' ? 'next' : 'previous';\n }\n else if (position > 0) {\n return this._layoutDirection() === 'rtl' ? 'previous' : 'next';\n }\n return 'current';\n };\n /** Returns the type of icon to be displayed. */\n CdkStepper.prototype._getIndicatorType = function (index, state) {\n if (state === void 0) { state = STEP_STATE.NUMBER; }\n var step = this.steps.toArray()[index];\n var isCurrentStep = this._isCurrentStep(index);\n return step._displayDefaultIndicatorType ? this._getDefaultIndicatorLogic(step, isCurrentStep) :\n this._getGuidelineLogic(step, isCurrentStep, state);\n };\n CdkStepper.prototype._getDefaultIndicatorLogic = function (step, isCurrentStep) {\n if (step._showError && step.hasError && !isCurrentStep) {\n return STEP_STATE.ERROR;\n }\n else if (!step.completed || isCurrentStep) {\n return STEP_STATE.NUMBER;\n }\n else {\n return step.editable ? STEP_STATE.EDIT : STEP_STATE.DONE;\n }\n };\n CdkStepper.prototype._getGuidelineLogic = function (step, isCurrentStep, state) {\n if (state === void 0) { state = STEP_STATE.NUMBER; }\n if (step._showError && step.hasError && !isCurrentStep) {\n return STEP_STATE.ERROR;\n }\n else if (step.completed && !isCurrentStep) {\n return STEP_STATE.DONE;\n }\n else if (step.completed && isCurrentStep) {\n return state;\n }\n else if (step.editable && isCurrentStep) {\n return STEP_STATE.EDIT;\n }\n else {\n return state;\n }\n };\n CdkStepper.prototype._isCurrentStep = function (index) {\n return this._selectedIndex === index;\n };\n /** Returns the index of the currently-focused step header. */\n CdkStepper.prototype._getFocusIndex = function () {\n return this._keyManager ? this._keyManager.activeItemIndex : this._selectedIndex;\n };\n CdkStepper.prototype._updateSelectedItemIndex = function (newIndex) {\n var stepsArray = this.steps.toArray();\n this.selectionChange.emit({\n selectedIndex: newIndex,\n previouslySelectedIndex: this._selectedIndex,\n selectedStep: stepsArray[newIndex],\n previouslySelectedStep: stepsArray[this._selectedIndex],\n });\n // If focus is inside the stepper, move it to the next header, otherwise it may become\n // lost when the active step content is hidden. We can't be more granular with the check\n // (e.g. checking whether focus is inside the active step), because we don't have a\n // reference to the elements that are rendering out the content.\n this._containsFocus() ? this._keyManager.setActiveItem(newIndex) :\n this._keyManager.updateActiveItem(newIndex);\n this._selectedIndex = newIndex;\n this._stateChanged();\n };\n CdkStepper.prototype._onKeydown = function (event) {\n var hasModifier = keycodes.hasModifierKey(event);\n var keyCode = event.keyCode;\n var manager = this._keyManager;\n if (manager.activeItemIndex != null && !hasModifier &&\n (keyCode === keycodes.SPACE || keyCode === keycodes.ENTER)) {\n this.selectedIndex = manager.activeItemIndex;\n event.preventDefault();\n }\n else {\n manager.onKeydown(event);\n }\n };\n CdkStepper.prototype._anyControlsInvalidOrPending = function (index) {\n if (this._linear && index >= 0) {\n return this.steps.toArray().slice(0, index).some(function (step) {\n var control = step.stepControl;\n var isIncomplete = control ? (control.invalid || control.pending || !step.interacted) : !step.completed;\n return isIncomplete && !step.optional && !step._completedOverride;\n });\n }\n return false;\n };\n CdkStepper.prototype._layoutDirection = function () {\n return this._dir && this._dir.value === 'rtl' ? 'rtl' : 'ltr';\n };\n /** Checks whether the stepper contains the focused element. */\n CdkStepper.prototype._containsFocus = function () {\n if (!this._document || !this._elementRef) {\n return false;\n }\n var stepperElement = this._elementRef.nativeElement;\n var focusedElement = this._document.activeElement;\n return stepperElement === focusedElement || stepperElement.contains(focusedElement);\n };\n /** Checks whether the passed-in index is a valid step index. */\n CdkStepper.prototype._isValidIndex = function (index) {\n return index > -1 && (!this.steps || index < this.steps.length);\n };\n return CdkStepper;\n }());\n CdkStepper.decorators = [\n { type: core.Directive, args: [{\n selector: '[cdkStepper]',\n exportAs: 'cdkStepper',\n },] }\n ];\n CdkStepper.ctorParameters = function () { return [\n { type: bidi.Directionality, decorators: [{ type: core.Optional }] },\n { type: core.ChangeDetectorRef },\n { type: core.ElementRef },\n { type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] }\n ]; };\n CdkStepper.propDecorators = {\n _steps: [{ type: core.ContentChildren, args: [CdkStep, { descendants: true },] }],\n _stepHeader: [{ type: core.ContentChildren, args: [CdkStepHeader, { descendants: true },] }],\n linear: [{ type: core.Input }],\n selectedIndex: [{ type: core.Input }],\n selected: [{ type: core.Input }],\n selectionChange: [{ type: core.Output }]\n };\n\n /**\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 /** Button that moves to the next step in a stepper workflow. */\n var CdkStepperNext = /** @class */ (function () {\n function CdkStepperNext(_stepper) {\n this._stepper = _stepper;\n /** Type of the next button. Defaults to \"submit\" if not specified. */\n this.type = 'submit';\n }\n // We have to use a `HostListener` here in order to support both Ivy and ViewEngine.\n // In Ivy the `host` bindings will be merged when this class is extended, whereas in\n // ViewEngine they're overwritten.\n // TODO(crisbeto): we move this back into `host` once Ivy is turned on by default.\n // tslint:disable-next-line:no-host-decorator-in-concrete\n CdkStepperNext.prototype._handleClick = function () {\n this._stepper.next();\n };\n return CdkStepperNext;\n }());\n CdkStepperNext.decorators = [\n { type: core.Directive, args: [{\n selector: 'button[cdkStepperNext]',\n host: {\n '[type]': 'type',\n }\n },] }\n ];\n CdkStepperNext.ctorParameters = function () { return [\n { type: CdkStepper }\n ]; };\n CdkStepperNext.propDecorators = {\n type: [{ type: core.Input }],\n _handleClick: [{ type: core.HostListener, args: ['click',] }]\n };\n /** Button that moves to the previous step in a stepper workflow. */\n var CdkStepperPrevious = /** @class */ (function () {\n function CdkStepperPrevious(_stepper) {\n this._stepper = _stepper;\n /** Type of the previous button. Defaults to \"button\" if not specified. */\n this.type = 'button';\n }\n // We have to use a `HostListener` here in order to support both Ivy and ViewEngine.\n // In Ivy the `host` bindings will be merged when this class is extended, whereas in\n // ViewEngine they're overwritten.\n // TODO(crisbeto): we move this back into `host` once Ivy is turned on by default.\n // tslint:disable-next-line:no-host-decorator-in-concrete\n CdkStepperPrevious.prototype._handleClick = function () {\n this._stepper.previous();\n };\n return CdkStepperPrevious;\n }());\n CdkStepperPrevious.decorators = [\n { type: core.Directive, args: [{\n selector: 'button[cdkStepperPrevious]',\n host: {\n '[type]': 'type',\n }\n },] }\n ];\n CdkStepperPrevious.ctorParameters = function () { return [\n { type: CdkStepper }\n ]; };\n CdkStepperPrevious.propDecorators = {\n type: [{ type: core.Input }],\n _handleClick: [{ type: core.HostListener, args: ['click',] }]\n };\n\n /**\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 var CdkStepperModule = /** @class */ (function () {\n function CdkStepperModule() {\n }\n return CdkStepperModule;\n }());\n CdkStepperModule.decorators = [\n { type: core.NgModule, args: [{\n imports: [bidi.BidiModule],\n exports: [\n CdkStep,\n CdkStepper,\n CdkStepHeader,\n CdkStepLabel,\n CdkStepperNext,\n CdkStepperPrevious,\n ],\n declarations: [\n CdkStep,\n CdkStepper,\n CdkStepHeader,\n CdkStepLabel,\n CdkStepperNext,\n CdkStepperPrevious,\n ]\n },] }\n ];\n\n /**\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\n /**\n * Generated bundle index. Do not edit.\n */\n\n exports.CdkStep = CdkStep;\n exports.CdkStepHeader = CdkStepHeader;\n exports.CdkStepLabel = CdkStepLabel;\n exports.CdkStepper = CdkStepper;\n exports.CdkStepperModule = CdkStepperModule;\n exports.CdkStepperNext = CdkStepperNext;\n exports.CdkStepperPrevious = CdkStepperPrevious;\n exports.MAT_STEPPER_GLOBAL_OPTIONS = MAT_STEPPER_GLOBAL_OPTIONS;\n exports.STEPPER_GLOBAL_OPTIONS = STEPPER_GLOBAL_OPTIONS;\n exports.STEP_STATE = STEP_STATE;\n exports.StepperSelectionEvent = StepperSelectionEvent;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n//# sourceMappingURL=cdk-stepper.umd.js.map\n"]} |