55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
import { Controller } from '@hotwired/stimulus';
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import Croppr from 'croppr';
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export default class extends Controller {
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static targets = ['input', 'controls', 'cropper', 'x', 'y', 'w', 'h'];
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declare readonly inputTarget: HTMLInputElement;
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declare readonly controlsTarget: HTMLElement;
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declare readonly cropperTarget: HTMLImageElement;
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declare readonly xTarget: HTMLInputElement;
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declare readonly yTarget: HTMLInputElement;
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declare readonly wTarget: HTMLInputElement;
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declare readonly hTarget: HTMLInputElement;
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static values = {
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aspectRatio: String
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};
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declare readonly aspectRatioValue: string;
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readImage(file: File, callback: (string) => void): void {
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callback((window.URL || window.webkitURL).createObjectURL(file));
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}
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updateValues(data: Record<string, string>): void {
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this.xTarget.value = data.x;
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this.yTarget.value = data.y;
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this.wTarget.value = data.width;
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this.hTarget.value = data.height;
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}
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change(): void {
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this.controlsTarget.classList.toggle('d-none');
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if (this.inputTarget.files && this.inputTarget.files[0]) {
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this.readImage(this.inputTarget.files[0], (src) => {
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this.cropperTarget.addEventListener('load', () => {
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new Croppr(this.cropperTarget, {
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aspectRatio: parseFloat(this.aspectRatioValue),
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startSize: [100, 100, '%'],
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onInitialize: (instance) => { this.updateValues(instance.getValue()) },
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onCropStart: this.updateValues.bind(this),
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onCropMove: this.updateValues.bind(this),
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onCropEnd: this.updateValues.bind(this)
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});
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}, {
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once: true
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});
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this.cropperTarget.src = src;
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});
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}
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}
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}
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