20-es5.1c85a6070d21a252942a.js

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e(t){s(this,e),this._snackBar=t,this.horizontalPosition="start",this.verticalPosition="bottom"}return d(e,[{key:"openSnackBar",value:function(){this._snackBar.open("Cannonball!!","End now",{duration:500,horizontalPosition:this.horizontalPosition,verticalPosition:this.verticalPosition})}}]),e}();return e.\u0275fac=function(t){return new(t||e)(Object(i.Yb)(c.a))},e.\u0275cmp=Object(i.Sb)({type:e,selectors:[["snack-bar-position-example"]],decls:24,vars:2,consts:[[3,"value","valueChange"],["value","start"],["value","center"],["value","end"],["value","left"],["value","right"],["value","top"],["value","bottom"],["mat-stroked-button","","aria-label","Show an example snack-bar",3,"click"]],template:function(e,t){1&e&&(Object(i.ec)(0,"mat-form-field"),Object(i.ec)(1,"mat-label"),Object(i.Sc)(2,"Horizontal position"),Object(i.dc)(),Object(i.ec)(3,"mat-select",0),Object(i.lc)("valueChange",function(e){return 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25ms linear",Object(L.k)({opacity:0})))])},H=0,G=new m.x("mat-select-scroll-strategy"),W=new m.x("MAT_SELECT_CONFIG"),K={provide:G,deps:[u.c],useFactory:function(e){return function(){return e.scrollStrategies.reposition()}}},Q=function e(t,n){s(this,e),this.source=t,this.value=n},Z=Object(p.A)(Object(p.E)(Object(p.B)(Object(p.C)(function e(t,n,i,a,r){s(this,e),this._elementRef=t,this._defaultErrorStateMatcher=n,this._parentForm=i,this._parentFormGroup=a,this.ngControl=r})))),X=new m.x("MatSelectTrigger"),U=function(){var e=function e(){s(this,e)};return e.\u0275fac=function(t){return new(t||e)},e.\u0275dir=m.Tb({type:e,selectors:[["mat-select-trigger"]],features:[m.Lb([{provide:X,useExisting:e}])]}),e}(),J=function(){var e=function(e){i(a,e);var n=r(a);function a(e,i,r,o,c,u,d,f,p,h,b,g,v,_){var y,I,R,L;return s(this,a),(y=n.call(this,c,o,d,f,h))._viewportRuler=e,y._changeDetectorRef=i,y._ngZone=r,y._dir=u,y._parentFormField=p,y.ngControl=h,y._liveAnnouncer=v,y._defaultOptions=_,y._panelOpen=!1,y._compareWith=function(e,t){return e===t},y._uid="mat-select-"+H++,y._triggerAriaLabelledBy=null,y._destroy=new k.a,y._onChange=function(){},y._onTouched=function(){},y._valueId="mat-select-value-"+H++,y._panelDoneAnimatingStream=new k.a,y._overlayPanelClass=(null===(I=y._defaultOptions)||void 0===I?void 0:I.overlayPanelClass)||"",y._focused=!1,y.controlType="mat-select",y._required=!1,y._multiple=!1,y._disableOptionCentering=null!==(L=null===(R=y._defaultOptions)||void 0===R?void 0:R.disableOptionCentering)&&void 0!==L&&L,y.ariaLabel="",y.optionSelectionChanges=Object(O.a)(function(){var e=y.options;return e?e.changes.pipe(Object(x.a)(e),Object(C.a)(function(){return Object(w.a).apply(void 0,t(e.map(function(e){return e.onSelectionChange})))})):y._ngZone.onStable.pipe(Object(j.a)(1),Object(C.a)(function(){return y.optionSelectionChanges}))}),y.openedChange=new m.s,y._openedStream=y.openedChange.pipe(Object(S.a)(function(e){return e}),Object(M.a)(function(){})),y._closedStream=y.openedChange.pipe(Object(S.a)(function(e){return!e}),Object(M.a)(function(){})),y.selectionChange=new m.s,y.valueChange=new m.s,y.ngControl&&(y.ngControl.valueAccessor=l(y)),null!=(null==_?void 0:_.typeaheadDebounceInterval)&&(y._typeaheadDebounceInterval=_.typeaheadDebounceInterval),y._scrollStrategyFactory=g,y._scrollStrategy=y._scrollStrategyFactory(),y.tabIndex=parseInt(b)||0,y.id=y.id,y}return d(a,[{key:"ngOnInit",value:function(){var e=this;this._selectionModel=new _.c(this.multiple),this.stateChanges.next(),this._panelDoneAnimatingStream.pipe(Object(I.a)(),Object(R.a)(this._destroy)).subscribe(function(){return e._panelDoneAnimating(e.panelOpen)})}},{key:"ngAfterContentInit",value:function(){var e=this;this._initKeyManager(),this._selectionModel.changed.pipe(Object(R.a)(this._destroy)).subscribe(function(e){e.added.forEach(function(e){return e.select()}),e.removed.forEach(function(e){return e.deselect()})}),this.options.changes.pipe(Object(x.a)(null),Object(R.a)(this._destroy)).subscribe(function(){e._resetOptions(),e._initializeSelection()})}},{key:"ngDoCheck",value:function(){var e=this._getTriggerAriaLabelledby();if(e!==this._triggerAriaLabelledBy){var t=this._elementRef.nativeElement;this._triggerAriaLabelledBy=e,e?t.setAttribute("aria-labelledby",e):t.removeAttribute("aria-labelledby")}this.ngControl&&this.updateErrorState()}},{key:"ngOnChanges",value:function(e){e.disabled&&this.stateChanges.next(),e.typeaheadDebounceInterval&&this._keyManager&&this._keyManager.withTypeAhead(this._typeaheadDebounceInterval)}},{key:"ngOnDestroy",value:function(){this._destroy.next(),this._destroy.complete(),this.stateChanges.complete()}},{key:"toggle",value:function(){this.panelOpen?this.close():this.open()}},{key:"open",value:function(){this._canOpen()&&(this._panelOpen=!0,this._keyManager.withHorizontalOrientation(null),this._highlightCorrectOption(),this._changeDetectorRef.markForCheck())}},{key:"close",value:function(){this._panelOpen&&(this._panelOpen=!1,this._keyManager.withHorizontalOrientation(this._isRtl()?"rtl":"ltr"),this._changeDetectorRef.markForCheck(),this._onTouched())}},{key:"writeValue",value:function(e){this.value=e}},{key:"registerOnChange",value:function(e){this._onChange=e}},{key:"registerOnTouched",value:function(e){this._onTouched=e}},{key:"setDisabledState",value:function(e){this.disabled=e,this._changeDetectorRef.markForCheck(),this.stateChanges.next()}},{key:"_isRtl",value:function(){return!!this._dir&&"rtl"===this._dir.value}},{key:"_handleKeydown",value:function(e){this.disabled||(this.panelOpen?this._handleOpenKeydown(e):this._handleClosedKeydown(e))}},{key:"_handleClosedKeydown",value:function(e){var t=e.keyCode,n=t===y.e||t===y.q||t===y.j||t===y.n,i=t===y.g||t===y.o,a=this._keyManager;if(!a.isTyping()&&i&&!Object(y.t)(e)||(this.multiple||e.altKey)&&n)e.preventDefault(),this.open();else if(!this.multiple){var r=this.selected;a.onKeydown(e);var o=this.selected;o&&r!==o&&this._liveAnnouncer.announce(o.viewValue,1e4)}}},{key:"_handleOpenKeydown",value:function(e){var t=this._keyManager,n=e.keyCode,i=n===y.e||n===y.q,a=t.isTyping();if(i&&e.altKey)e.preventDefault(),this.close();else if(a||n!==y.g&&n!==y.o||!t.activeItem||Object(y.t)(e))if(!a&&this._multiple&&n===y.a&&e.ctrlKey){e.preventDefault();var r=this.options.some(function(e){return!e.disabled&&!e.selected});this.options.forEach(function(e){e.disabled||(r?e.select():e.deselect())})}else{var o=t.activeItemIndex;t.onKeydown(e),this._multiple&&i&&e.shiftKey&&t.activeItem&&t.activeItemIndex!==o&&t.activeItem._selectViaInteraction()}else e.preventDefault(),t.activeItem._selectViaInteraction()}},{key:"_onFocus",value:function(){this.disabled||(this._focused=!0,this.stateChanges.next())}},{key:"_onBlur",value:function(){this._focused=!1,this.disabled||this.panelOpen||(this._onTouched(),this._changeDetectorRef.markForCheck(),this.stateChanges.next())}},{key:"_onAttached",value:function(){var e=this;this.overlayDir.positionChange.pipe(Object(j.a)(1)).subscribe(function(){e._changeDetectorRef.detectChanges(),e._positioningSettled()})}},{key:"_getPanelTheme",value:function(){return this._parentFormField?"mat-"+this._parentFormField.color:""}},{key:"_initializeSelection",value:function(){var e=this;Promise.resolve().then(function(){e._setSelectionByValue(e.ngControl?e.ngControl.value:e._value),e.stateChanges.next()})}},{key:"_setSelectionByValue",value:function(e){var t=this;if(this._selectionModel.selected.forEach(function(e){return e.setInactiveStyles()}),this._selectionModel.clear(),this.multiple&&e)Array.isArray(e),e.forEach(function(e){return t._selectValue(e)}),this._sortValues();else{var n=this._selectValue(e);n?this._keyManager.updateActiveItem(n):this.panelOpen||this._keyManager.updateActiveItem(-1)}this._changeDetectorRef.markForCheck()}},{key:"_selectValue",value:function(e){var t=this,n=this.options.find(function(n){try{return null!=n.value&&t._compareWith(n.value,e)}catch(i){return!1}});return n&&this._selectionModel.select(n),n}},{key:"_initKeyManager",value:function(){var e=this;this._keyManager=new g.b(this.options).withTypeAhead(this._typeaheadDebounceInterval).withVerticalOrientation().withHorizontalOrientation(this._isRtl()?"rtl":"ltr").withHomeAndEnd().withAllowedModifierKeys(["shiftKey"]),this._keyManager.tabOut.pipe(Object(R.a)(this._destroy)).subscribe(function(){e.panelOpen&&(!e.multiple&&e._keyManager.activeItem&&e._keyManager.activeItem._selectViaInteraction(),e.focus(),e.close())}),this._keyManager.change.pipe(Object(R.a)(this._destroy)).subscribe(function(){e._panelOpen&&e.panel?e._scrollOptionIntoView(e._keyManager.activeItemIndex||0):e._panelOpen||e.multiple||!e._keyManager.activeItem||e._keyManager.activeItem._selectViaInteraction()})}},{key:"_resetOptions",value:function(){var e=this,n=Object(w.a)(this.options.changes,this._destroy);this.optionSelectionChanges.pipe(Object(R.a)(n)).subscribe(function(t){e._onSelect(t.source,t.isUserInput),t.isUserInput&&!e.multiple&&e._panelOpen&&(e.close(),e.focus())}),Object(w.a).apply(void 0,t(this.options.map(function(e){return e._stateChanges}))).pipe(Object(R.a)(n)).subscribe(function(){e._changeDetectorRef.markForCheck(),e.stateChanges.next()})}},{key:"_onSelect",value:function(e,t){var n=this._selectionModel.isSelected(e);null!=e.value||this._multiple?(n!==e.selected&&(e.selected?this._selectionModel.select(e):this._selectionModel.deselect(e)),t&&this._keyManager.setActiveItem(e),this.multiple&&(this._sortValues(),t&&this.focus())):(e.deselect(),this._selectionModel.clear(),null!=this.value&&this._propagateChanges(e.value)),n!==this._selectionModel.isSelected(e)&&this._propagateChanges(),this.stateChanges.next()}},{key:"_sortValues",value:function(){var e=this;if(this.multiple){var t=this.options.toArray();this._selectionModel.sort(function(n,i){return e.sortComparator?e.sortComparator(n,i,t):t.indexOf(n)-t.indexOf(i)}),this.stateChanges.next()}}},{key:"_propagateChanges",value:function(e){var t;t=this.multiple?this.selected.map(function(e){return e.value}):this.selected?this.selected.value:e,this._value=t,this.valueChange.emit(t),this._onChange(t),this.selectionChange.emit(this._getChangeEvent(t)),this._changeDetectorRef.markForCheck()}},{key:"_highlightCorrectOption",value:function(){this._keyManager&&(this.empty?this._keyManager.setFirstItemActive():this._keyManager.setActiveItem(this._selectionModel.selected[0]))}},{key:"_canOpen",value:function(){var e;return!this._panelOpen&&!this.disabled&&(null===(e=this.options)||void 0===e?void 0:e.length)>0}},{key:"focus",value:function(e){this._elementRef.nativeElement.focus(e)}},{key:"_getPanelAriaLabelledby",value:function(){if(this.ariaLabel)return null;var e=this._getLabelId();return this.ariaLabelledby?e+" "+this.ariaLabelledby:e}},{key:"_getAriaActiveDescendant",value:function(){return this.panelOpen&&this._keyManager&&this._keyManager.activeItem?this._keyManager.activeItem.id:null}},{key:"_getLabelId",value:function(){var e;return(null===(e=this._parentFormField)||void 0===e?void 0:e.getLabelId())||""}},{key:"_getTriggerAriaLabelledby",value:function(){if(this.ariaLabel)return null;var e=this._getLabelId()+" "+this._valueId;return this.ariaLabelledby&&(e+=" "+this.ariaLabelledby),e}},{key:"_panelDoneAnimating",value:function(e){this.openedChange.emit(e)}},{key:"setDescribedByIds",value:function(e){this._ariaDescribedby=e.join(" ")}},{key:"onContainerClick",value:function(){this.focus(),this.open()}},{key:"focused",get:function(){return this._focused||this._panelOpen}},{key:"placeholder",get:function(){return this._placeholder},set:function(e){this._placeholder=e,this.stateChanges.next()}},{key:"required",get:function(){return this._required},set:function(e){this._required=Object(v.c)(e),this.stateChanges.next()}},{key:"multiple",get:function(){return this._multiple},set:function(e){this._multiple=Object(v.c)(e)}},{key:"disableOptionCentering",get:function(){return 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o=0-(t.left+e-(i?a:0)),l=t.right+e-n.width+(i?0:a);o>0?e+=o+8:l>0&&(e-=l+8),this.overlayDir.offsetX=Math.round(e),this.overlayDir.overlayRef.updatePosition()}},{key:"_calculateOverlayOffsetY",value:function(e,t,n){var i,a=this._getItemHeight(),r=(a-this._triggerRect.height)/2,o=Math.floor(256/a);return this.disableOptionCentering?0:(i=0===this._scrollTop?e*a:this._scrollTop===n?(e-(this._getItemCount()-o))*a+(a-(this._getItemCount()*a-256)%a):t-a/2,Math.round(-1*i-r))}},{key:"_checkOverlayWithinViewport",value:function(e){var t=this._getItemHeight(),n=this._viewportRuler.getViewportSize(),i=this._triggerRect.top-8,a=n.height-this._triggerRect.bottom-8,r=Math.abs(this._offsetY),o=Math.min(this._getItemCount()*t,256)-r-this._triggerRect.height;o>a?this._adjustPanelUp(o,a):r>i?this._adjustPanelDown(r,i,e):this._transformOrigin=this._getOriginBasedOnOption()}},{key:"_adjustPanelUp",value:function(e,t){var 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