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@angular-mdl/core

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Angular components, directives and styles based on material design lite https://getmdl.io.

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import { Component, ElementRef, forwardRef, HostBinding, HostListener, Input, Renderer2, ViewChild, ViewEncapsulation, } from "@angular/core"; import { NG_VALUE_ACCESSOR } from "@angular/forms"; import { toBoolean } from "../common/boolean-property"; import { noop } from "../common/noop"; import { callNative } from "../common/native-support"; import { toNumber } from "../common/number.property"; import * as i0 from "@angular/core"; import * as i1 from "@angular/forms"; export class MdlSliderComponent { constructor(renderer, elRef) { this.renderer = renderer; this.elRef = elRef; this.isSliderContainer = true; this.onTouchedCallback = noop; this.onChangeCallback = noop; this.disabledIntern = false; } get disabled() { return this.disabledIntern; } set disabled(value) { this.disabledIntern = toBoolean(value); } get value() { return this.valueIntern; } set value(v) { this.valueIntern = toNumber(v); this.updateSliderUI(); this.onChangeCallback(v); } onMouseUp(event) { event.target.blur(); } onMouseDown(event) { if (event.target !== this.elRef.nativeElement) { return; } // Discard the original event and create a new event that // is on the slider element. event.preventDefault(); const newEvent = new MouseEvent("mousedown", { relatedTarget: event.relatedTarget, button: event.button, buttons: event.buttons, clientX: event.clientX, clientY: this.inputEl?.nativeElement.getBoundingClientRect().y, screenX: event.screenX, screenY: event.screenY, }); callNative(this.inputEl?.nativeElement, "dispatchEvent", newEvent); } ngAfterViewInit() { this.updateSliderUI(); } writeValue(value) { this.valueIntern = value; this.updateSliderUI(); } registerOnChange(fn) { this.onChangeCallback = fn; } registerOnTouched(fn) { this.onTouchedCallback = fn; } setDisabledState(isDisabled) { this.disabled = isDisabled; } updateSliderUI() { // if the input hat a static value (for example value="30" // the setvalue method is called before the ViewChilds are initialized // this has changed in Angular 9! :( const min = toNumber(this.min); const max = toNumber(this.max); if (!this.inputEl || this.valueIntern == null || max == null || min == null) { return; } const fraction = (this.valueIntern - min) / (max - min); if (fraction === 0) { this.renderer.addClass(this.inputEl.nativeElement, "is-lowest-value"); } else { this.renderer.removeClass(this.inputEl.nativeElement, "is-lowest-value"); } this.renderer.setStyle(this.lowerEl?.nativeElement, "flex", "" + fraction); this.renderer.setStyle(this.upperEl?.nativeElement, "flex", "" + (1 - fraction)); } } MdlSliderComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.4", ngImport: i0, type: MdlSliderComponent, deps: [{ token: i0.Renderer2 }, { token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Component }); MdlSliderComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.0.4", type: MdlSliderComponent, selector: "mdl-slider", inputs: { min: "min", max: "max", step: "step", disabled: "disabled", value: "value" }, host: { listeners: { "mouseup": "onMouseUp($event)", "mousedown": "onMouseDown($event)" }, properties: { "class.mdl-slider__container": "this.isSliderContainer" } }, providers: [ { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => MdlSliderComponent), multi: true, }, ], viewQueries: [{ propertyName: "lowerEl", first: true, predicate: ["lower"], descendants: true, static: true }, { propertyName: "upperEl", first: true, predicate: ["uppper"], descendants: true, static: true }, { propertyName: "inputEl", first: true, predicate: ["input"], descendants: true, static: true }], ngImport: i0, template: ` <input class="mdl-slider is-upgraded" type="range" [min]="min" [max]="max" [step]="step" [(ngModel)]="value" [disabled]="disabled" tabindex="0" #input /> <div class="mdl-slider__background-flex"> <div class="mdl-slider__background-lower" #lower></div> <div class="mdl-slider__background-upper" #uppper></div> </div> `, isInline: true, styles: [":host{height:22px;user-select:none;-webkit-user-select:none;-moz-user-select:none}\n"], dependencies: [{ kind: "directive", type: i1.DefaultValueAccessor, selector: "input:not([type=checkbox])[formControlName],textarea[formControlName],input:not([type=checkbox])[formControl],textarea[formControl],input:not([type=checkbox])[ngModel],textarea[ngModel],[ngDefaultControl]" }, { kind: "directive", type: i1.RangeValueAccessor, selector: "input[type=range][formControlName],input[type=range][formControl],input[type=range][ngModel]" }, { kind: "directive", type: i1.NgControlStatus, selector: "[formControlName],[ngModel],[formControl]" }, { kind: "directive", type: i1.NgModel, selector: "[ngModel]:not([formControlName]):not([formControl])", inputs: ["name", "disabled", "ngModel", "ngModelOptions"], outputs: ["ngModelChange"], exportAs: ["ngModel"] }], encapsulation: i0.ViewEncapsulation.None }); i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.4", ngImport: i0, type: MdlSliderComponent, decorators: [{ type: Component, args: [{ selector: "mdl-slider", providers: [ { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => MdlSliderComponent), multi: true, }, ], template: ` <input class="mdl-slider is-upgraded" type="range" [min]="min" [max]="max" [step]="step" [(ngModel)]="value" [disabled]="disabled" tabindex="0" #input /> <div class="mdl-slider__background-flex"> <div class="mdl-slider__background-lower" #lower></div> <div class="mdl-slider__background-upper" #uppper></div> </div> `, encapsulation: ViewEncapsulation.None, styles: [":host{height:22px;user-select:none;-webkit-user-select:none;-moz-user-select:none}\n"] }] }], ctorParameters: function () { return [{ type: i0.Renderer2 }, { type: i0.ElementRef }]; }, propDecorators: { min: [{ type: Input }], max: [{ type: Input }], step: [{ type: Input }], lowerEl: [{ type: ViewChild, args: ["lower", { static: true }] }], upperEl: [{ type: ViewChild, args: ["uppper", { static: true }] }], inputEl: [{ type: ViewChild, args: ["input", { static: true }] }], isSliderContainer: [{ type: HostBinding, args: ["class.mdl-slider__container"] }], disabled: [{ type: Input }], value: [{ type: Input }], onMouseUp: [{ type: HostListener, args: ["mouseup", ["$event"]] }], onMouseDown: [{ type: HostListener, args: ["mousedown", ["$event"]] }] } }); //# 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{\n  AfterViewInit,\n  Component,\n  ElementRef,\n  forwardRef,\n  HostBinding,\n  HostListener,\n  Input,\n  Renderer2,\n  ViewChild,\n  ViewEncapsulation,\n} from \"@angular/core\";\nimport { ControlValueAccessor, NG_VALUE_ACCESSOR } from \"@angular/forms\";\nimport { toBoolean } from \"../common/boolean-property\";\nimport { noop } from \"../common/noop\";\nimport { callNative } from \"../common/native-support\";\nimport { toNumber } from \"../common/number.property\";\n\n@Component({\n  selector: \"mdl-slider\",\n  providers: [\n    {\n      provide: NG_VALUE_ACCESSOR,\n      useExisting: forwardRef(() => MdlSliderComponent),\n      multi: true,\n    },\n  ],\n  template: `\n    <input\n      class=\"mdl-slider is-upgraded\"\n      type=\"range\"\n      [min]=\"min\"\n      [max]=\"max\"\n      [step]=\"step\"\n      [(ngModel)]=\"value\"\n      [disabled]=\"disabled\"\n      tabindex=\"0\"\n      #input\n    />\n    <div class=\"mdl-slider__background-flex\">\n      <div class=\"mdl-slider__background-lower\" #lower></div>\n      <div class=\"mdl-slider__background-upper\" #uppper></div>\n    </div>\n  `,\n  styles: [\n    `\n      :host {\n        height: 22px;\n        user-select: none;\n        -webkit-user-select: none;\n        -moz-user-select: none;\n      }\n    `,\n  ],\n  encapsulation: ViewEncapsulation.None,\n})\nexport class MdlSliderComponent implements ControlValueAccessor, AfterViewInit {\n  @Input()\n  min: number | string | undefined;\n  @Input()\n  max: number | string | undefined;\n  @Input()\n  step: number | string | undefined;\n  @ViewChild(\"lower\", { static: true })\n  lowerEl: ElementRef | undefined;\n  @ViewChild(\"uppper\", { static: true })\n  upperEl: ElementRef | undefined;\n  @ViewChild(\"input\", { static: true })\n  inputEl: ElementRef | undefined;\n  @HostBinding(\"class.mdl-slider__container\")\n  isSliderContainer = true;\n  private valueIntern: number | null | undefined;\n  private onTouchedCallback: () => void = noop;\n  private onChangeCallback: (_: unknown) => void = noop;\n  private disabledIntern = false;\n\n  constructor(private renderer: Renderer2, private elRef: ElementRef) {}\n\n  @Input()\n  get disabled(): boolean {\n    return this.disabledIntern;\n  }\n\n  set disabled(value: boolean) {\n    this.disabledIntern = toBoolean(value);\n  }\n\n  get value(): number | string | undefined | null {\n    return this.valueIntern;\n  }\n\n  @Input() set value(v: number | string | undefined | null) {\n    this.valueIntern = toNumber(v);\n    this.updateSliderUI();\n    this.onChangeCallback(v);\n  }\n\n  @HostListener(\"mouseup\", [\"$event\"])\n  onMouseUp(event: MouseEvent): void {\n    (event.target as HTMLElement).blur();\n  }\n\n  @HostListener(\"mousedown\", [\"$event\"])\n  onMouseDown(event: MouseEvent): void {\n    if (event.target !== this.elRef.nativeElement) {\n      return;\n    }\n    // Discard the original event and create a new event that\n    // is on the slider element.\n    event.preventDefault();\n    const newEvent = new MouseEvent(\"mousedown\", {\n      relatedTarget: event.relatedTarget,\n      button: event.button,\n      buttons: event.buttons,\n      clientX: event.clientX,\n      clientY: this.inputEl?.nativeElement.getBoundingClientRect().y,\n      screenX: event.screenX,\n      screenY: event.screenY,\n    });\n    callNative(this.inputEl?.nativeElement, \"dispatchEvent\", newEvent);\n  }\n\n  ngAfterViewInit(): void {\n    this.updateSliderUI();\n  }\n\n  writeValue(value: number): void {\n    this.valueIntern = value;\n    this.updateSliderUI();\n  }\n\n  registerOnChange(fn: () => unknown): void {\n    this.onChangeCallback = fn;\n  }\n\n  registerOnTouched(fn: () => unknown): void {\n    this.onTouchedCallback = fn;\n  }\n\n  setDisabledState(isDisabled: boolean): void {\n    this.disabled = isDisabled;\n  }\n\n  updateSliderUI(): void {\n    // if the input hat a static value (for example value=\"30\"\n    // the setvalue method is called before the ViewChilds are initialized\n    // this has changed in Angular 9! :(\n    const min = toNumber(this.min);\n    const max = toNumber(this.max);\n    if (\n      !this.inputEl ||\n      this.valueIntern == null ||\n      max == null ||\n      min == null\n    ) {\n      return;\n    }\n    const fraction = (this.valueIntern - min) / (max - min);\n\n    if (fraction === 0) {\n      this.renderer.addClass(this.inputEl.nativeElement, \"is-lowest-value\");\n    } else {\n      this.renderer.removeClass(this.inputEl.nativeElement, \"is-lowest-value\");\n    }\n\n    this.renderer.setStyle(this.lowerEl?.nativeElement, \"flex\", \"\" + fraction);\n    this.renderer.setStyle(\n      this.upperEl?.nativeElement,\n      \"flex\",\n      \"\" + (1 - fraction)\n    );\n  }\n}\n"]}