import * as i1 from '@angular/common';
import { DOCUMENT, CommonModule } from '@angular/common';
import * as i0 from '@angular/core';
import { forwardRef, EventEmitter, numberAttribute, booleanAttribute, Component, ChangeDetectionStrategy, ViewEncapsulation, Inject, Input, Output, NgModule } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
const KNOB_VALUE_ACCESSOR = {
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => Knob),
multi: true
};
/**
* Knob is a form component to define number inputs with a dial.
* @group Components
*/
class Knob {
document;
renderer;
cd;
el;
/**
* Style class of the component.
* @group Props
*/
styleClass;
/**
* Inline style of the component.
* @group Props
*/
style;
/**
* Defines a string that labels the input for accessibility.
* @group Props
*/
ariaLabel;
/**
* Specifies one or more IDs in the DOM that labels the input field.
* @group Props
*/
ariaLabelledBy;
/**
* Index of the element in tabbing order.
* @group Props
*/
tabindex = 0;
/**
* Background of the value.
* @group Props
*/
valueColor = 'var(--primary-color, Black)';
/**
* Background color of the range.
* @group Props
*/
rangeColor = 'var(--surface-border, LightGray)';
/**
* Color of the value text.
* @group Props
*/
textColor = 'var(--text-color-secondary, Black)';
/**
* Template string of the value.
* @group Props
*/
valueTemplate = '{value}';
/**
* Name of the input element.
* @group Props
*/
name;
/**
* Size of the component in pixels.
* @group Props
*/
size = 100;
/**
* Step factor to increment/decrement the value.
* @group Props
*/
step = 1;
/**
* Mininum boundary value.
* @group Props
*/
min = 0;
/**
* Maximum boundary value.
* @group Props
*/
max = 100;
/**
* Width of the knob stroke.
* @group Props
*/
strokeWidth = 14;
/**
* When present, it specifies that the component should be disabled.
* @group Props
*/
disabled;
/**
* Whether the show the value inside the knob.
* @group Props
*/
showValue = true;
/**
* When present, it specifies that the component value cannot be edited.
* @group Props
*/
readonly = false;
/**
* Callback to invoke on value change.
* @param {number} value - New value.
* @group Emits
*/
onChange = new EventEmitter();
radius = 40;
midX = 50;
midY = 50;
minRadians = (4 * Math.PI) / 3;
maxRadians = -Math.PI / 3;
value = 0;
windowMouseMoveListener;
windowMouseUpListener;
windowTouchMoveListener;
windowTouchEndListener;
onModelChange = () => { };
onModelTouched = () => { };
constructor(document, renderer, cd, el) {
this.document = document;
this.renderer = renderer;
this.cd = cd;
this.el = el;
}
mapRange(x, inMin, inMax, outMin, outMax) {
return ((x - inMin) * (outMax - outMin)) / (inMax - inMin) + outMin;
}
onClick(event) {
if (!this.disabled && !this.readonly) {
this.updateValue(event.offsetX, event.offsetY);
}
}
updateValue(offsetX, offsetY) {
let dx = offsetX - this.size / 2;
let dy = this.size / 2 - offsetY;
let angle = Math.atan2(dy, dx);
let start = -Math.PI / 2 - Math.PI / 6;
this.updateModel(angle, start);
}
updateModel(angle, start) {
let mappedValue;
if (angle > this.maxRadians)
mappedValue = this.mapRange(angle, this.minRadians, this.maxRadians, this.min, this.max);
else if (angle < start)
mappedValue = this.mapRange(angle + 2 * Math.PI, this.minRadians, this.maxRadians, this.min, this.max);
else
return;
let newValue = Math.round((mappedValue - this.min) / this.step) * this.step + this.min;
this.value = newValue;
this.onModelChange(this.value);
this.onChange.emit(this.value);
}
onMouseDown(event) {
if (!this.disabled && !this.readonly) {
const window = this.document.defaultView || 'window';
this.windowMouseMoveListener = this.renderer.listen(window, 'mousemove', this.onMouseMove.bind(this));
this.windowMouseUpListener = this.renderer.listen(window, 'mouseup', this.onMouseUp.bind(this));
event.preventDefault();
}
}
onMouseUp(event) {
if (!this.disabled && !this.readonly) {
if (this.windowMouseMoveListener) {
this.windowMouseMoveListener();
this.windowMouseUpListener = null;
}
if (this.windowMouseUpListener) {
this.windowMouseUpListener();
this.windowMouseMoveListener = null;
}
event.preventDefault();
}
}
onTouchStart(event) {
if (!this.disabled && !this.readonly) {
const window = this.document.defaultView || 'window';
this.windowTouchMoveListener = this.renderer.listen(window, 'touchmove', this.onTouchMove.bind(this));
this.windowTouchEndListener = this.renderer.listen(window, 'touchend', this.onTouchEnd.bind(this));
event.preventDefault();
}
}
onTouchEnd(event) {
if (!this.disabled && !this.readonly) {
if (this.windowTouchMoveListener) {
this.windowTouchMoveListener();
}
if (this.windowTouchEndListener) {
this.windowTouchEndListener();
}
this.windowTouchMoveListener = null;
this.windowTouchEndListener = null;
event.preventDefault();
}
}
onMouseMove(event) {
if (!this.disabled && !this.readonly) {
this.updateValue(event.offsetX, event.offsetY);
event.preventDefault();
}
}
onTouchMove(event) {
if (!this.disabled && !this.readonly && event instanceof TouchEvent && event.touches.length === 1) {
const rect = this.el.nativeElement.children[0].getBoundingClientRect();
const touch = event.targetTouches.item(0);
if (touch) {
const offsetX = touch.clientX - rect.left;
const offsetY = touch.clientY - rect.top;
this.updateValue(offsetX, offsetY);
}
}
}
updateModelValue(newValue) {
if (newValue > this.max)
this.value = this.max;
else if (newValue < this.min)
this.value = this.min;
else
this.value = newValue;
this.onModelChange(this.value);
this.onChange.emit(this.value);
}
onKeyDown(event) {
if (!this.disabled && !this.readonly) {
switch (event.code) {
case 'ArrowRight':
case 'ArrowUp': {
event.preventDefault();
this.updateModelValue(this._value + 1);
break;
}
case 'ArrowLeft':
case 'ArrowDown': {
event.preventDefault();
this.updateModelValue(this._value - 1);
break;
}
case 'Home': {
event.preventDefault();
this.updateModelValue(this.min);
break;
}
case 'End': {
event.preventDefault();
this.updateModelValue(this.max);
break;
}
case 'PageUp': {
event.preventDefault();
this.updateModelValue(this._value + 10);
break;
}
case 'PageDown': {
event.preventDefault();
this.updateModelValue(this._value - 10);
break;
}
}
}
}
writeValue(value) {
this.value = value;
this.cd.markForCheck();
}
registerOnChange(fn) {
this.onModelChange = fn;
}
registerOnTouched(fn) {
this.onModelTouched = fn;
}
setDisabledState(val) {
this.disabled = val;
this.cd.markForCheck();
}
containerClass() {
return {
'p-knob p-component': true,
'p-disabled': this.disabled
};
}
rangePath() {
return `M ${this.minX()} ${this.minY()} A ${this.radius} ${this.radius} 0 1 1 ${this.maxX()} ${this.maxY()}`;
}
valuePath() {
return `M ${this.zeroX()} ${this.zeroY()} A ${this.radius} ${this.radius} 0 ${this.largeArc()} ${this.sweep()} ${this.valueX()} ${this.valueY()}`;
}
zeroRadians() {
if (this.min > 0 && this.max > 0)
return this.mapRange(this.min, this.min, this.max, this.minRadians, this.maxRadians);
else
return this.mapRange(0, this.min, this.max, this.minRadians, this.maxRadians);
}
valueRadians() {
return this.mapRange(this._value, this.min, this.max, this.minRadians, this.maxRadians);
}
minX() {
return this.midX + Math.cos(this.minRadians) * this.radius;
}
minY() {
return this.midY - Math.sin(this.minRadians) * this.radius;
}
maxX() {
return this.midX + Math.cos(this.maxRadians) * this.radius;
}
maxY() {
return this.midY - Math.sin(this.maxRadians) * this.radius;
}
zeroX() {
return this.midX + Math.cos(this.zeroRadians()) * this.radius;
}
zeroY() {
return this.midY - Math.sin(this.zeroRadians()) * this.radius;
}
valueX() {
return this.midX + Math.cos(this.valueRadians()) * this.radius;
}
valueY() {
return this.midY - Math.sin(this.valueRadians()) * this.radius;
}
largeArc() {
return Math.abs(this.zeroRadians() - this.valueRadians()) < Math.PI ? 0 : 1;
}
sweep() {
return this.valueRadians() > this.zeroRadians() ? 0 : 1;
}
valueToDisplay() {
return this.valueTemplate.replace('{value}', this._value.toString());
}
get _value() {
return this.value != null ? this.value : this.min;
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: Knob, deps: [{ token: DOCUMENT }, { token: i0.Renderer2 }, { token: i0.ChangeDetectorRef }, { token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "16.1.0", version: "17.3.7", type: Knob, selector: "p-knob", inputs: { styleClass: "styleClass", style: "style", ariaLabel: "ariaLabel", ariaLabelledBy: "ariaLabelledBy", tabindex: ["tabindex", "tabindex", numberAttribute], valueColor: "valueColor", rangeColor: "rangeColor", textColor: "textColor", valueTemplate: "valueTemplate", name: "name", size: ["size", "size", numberAttribute], step: ["step", "step", numberAttribute], min: ["min", "min", numberAttribute], max: ["max", "max", numberAttribute], strokeWidth: ["strokeWidth", "strokeWidth", numberAttribute], disabled: ["disabled", "disabled", booleanAttribute], showValue: ["showValue", "showValue", booleanAttribute], readonly: ["readonly", "readonly", booleanAttribute] }, outputs: { onChange: "onChange" }, host: { classAttribute: "p-element" }, providers: [KNOB_VALUE_ACCESSOR], ngImport: i0, template: `
`, isInline: true, styles: ["@keyframes dash-frame{to{stroke-dashoffset:0}}@layer primeng{.p-knob-range{fill:none;transition:stroke .1s ease-in}.p-knob-value{animation-name:dash-frame;animation-fill-mode:forwards;fill:none}.p-knob-text{font-size:1.3rem;text-align:center}}\n"], dependencies: [{ kind: "directive", type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: Knob, decorators: [{
type: Component,
args: [{ selector: 'p-knob', template: `
`, providers: [KNOB_VALUE_ACCESSOR], changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, host: {
class: 'p-element'
}, styles: ["@keyframes dash-frame{to{stroke-dashoffset:0}}@layer primeng{.p-knob-range{fill:none;transition:stroke .1s ease-in}.p-knob-value{animation-name:dash-frame;animation-fill-mode:forwards;fill:none}.p-knob-text{font-size:1.3rem;text-align:center}}\n"] }]
}], ctorParameters: () => [{ type: Document, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }, { type: i0.Renderer2 }, { type: i0.ChangeDetectorRef }, { type: i0.ElementRef }], propDecorators: { styleClass: [{
type: Input
}], style: [{
type: Input
}], ariaLabel: [{
type: Input
}], ariaLabelledBy: [{
type: Input
}], tabindex: [{
type: Input,
args: [{ transform: numberAttribute }]
}], valueColor: [{
type: Input
}], rangeColor: [{
type: Input
}], textColor: [{
type: Input
}], valueTemplate: [{
type: Input
}], name: [{
type: Input
}], size: [{
type: Input,
args: [{ transform: numberAttribute }]
}], step: [{
type: Input,
args: [{ transform: numberAttribute }]
}], min: [{
type: Input,
args: [{ transform: numberAttribute }]
}], max: [{
type: Input,
args: [{ transform: numberAttribute }]
}], strokeWidth: [{
type: Input,
args: [{ transform: numberAttribute }]
}], disabled: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], showValue: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], readonly: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], onChange: [{
type: Output
}] } });
class KnobModule {
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: KnobModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "17.3.7", ngImport: i0, type: KnobModule, declarations: [Knob], imports: [CommonModule], exports: [Knob] });
static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: KnobModule, imports: [CommonModule] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: KnobModule, decorators: [{
type: NgModule,
args: [{
imports: [CommonModule],
exports: [Knob],
declarations: [Knob]
}]
}] });
/**
* Generated bundle index. Do not edit.
*/
export { KNOB_VALUE_ACCESSOR, Knob, KnobModule };
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