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/* eslint-disable no-useless-escape, no-underscore-dangle, func-names, no-return-assign, consistent-return, class-methods-use-this */
import $ from 'jquery';
import 'cropper';
import { isString } from 'lodash';
import { loadCSSFile } from '../lib/utils/css_utils';
(() => {
// Matches everything but the file name
const FILENAMEREGEX = /^.*[\\\/]/;
class GitLabCrop {
constructor(
input,
{
filename,
previewImage,
modalCrop,
pickImageEl,
uploadImageBtn,
modalCropImg,
exportWidth = 200,
exportHeight = 200,
cropBoxWidth = 200,
cropBoxHeight = 200,
} = {},
) {
this.onUploadImageBtnClick = this.onUploadImageBtnClick.bind(this);
this.onModalHide = this.onModalHide.bind(this);
this.onModalShow = this.onModalShow.bind(this);
this.onPickImageClick = this.onPickImageClick.bind(this);
this.fileInput = $(input);
this.modalCropImg = isString(this.modalCropImg) ? $(this.modalCropImg) : this.modalCropImg;
this.fileInput
.attr('name', `${this.fileInput.attr('name')}-trigger`)
.attr('id', `${this.fileInput.attr('id')}-trigger`);
this.exportWidth = exportWidth;
this.exportHeight = exportHeight;
this.cropBoxWidth = cropBoxWidth;
this.cropBoxHeight = cropBoxHeight;
this.form = this.fileInput.parents('form');
this.filename = filename;
this.previewImage = previewImage;
this.modalCrop = modalCrop;
this.pickImageEl = pickImageEl;
this.uploadImageBtn = uploadImageBtn;
this.modalCropImg = modalCropImg;
this.filename = this.getElement(filename);
this.previewImage = this.getElement(previewImage);
this.pickImageEl = this.getElement(pickImageEl);
this.modalCrop = isString(modalCrop) ? $(modalCrop) : modalCrop;
this.uploadImageBtn = isString(uploadImageBtn) ? $(uploadImageBtn) : uploadImageBtn;
this.modalCropImg = isString(modalCropImg) ? $(modalCropImg) : modalCropImg;
this.cropActionsBtn = this.modalCrop.find('[data-method]');
this.bindEvents();
}
getElement(selector) {
return $(selector, this.form);
}
bindEvents() {
const _this = this;
this.fileInput.on('change', function (e) {
_this.onFileInputChange(e, this);
this.value = null;
});
this.pickImageEl.on('click', this.onPickImageClick);
this.modalCrop.on('shown.bs.modal', this.onModalShow);
this.modalCrop.on('hidden.bs.modal', this.onModalHide);
this.uploadImageBtn.on('click', this.onUploadImageBtnClick);
this.cropActionsBtn.on('click', function () {
const btn = this;
return _this.onActionBtnClick(btn);
});
return (this.croppedImageBlob = null);
}
onPickImageClick() {
return this.fileInput.trigger('click');
}
onModalShow() {
const _this = this;
return this.modalCropImg.cropper({
viewMode: 1,
center: false,
aspectRatio: 1,
modal: true,
scalable: false,
rotatable: true,
checkOrientation: true,
zoomable: true,
dragMode: 'move',
guides: false,
zoomOnTouch: false,
zoomOnWheel: false,
cropBoxMovable: false,
cropBoxResizable: false,
toggleDragModeOnDblclick: false,
built() {
const $image = $(this);
const container = $image.cropper('getContainerData');
const { cropBoxWidth, cropBoxHeight } = _this;
return $image.cropper('setCropBoxData', {
width: cropBoxWidth,
height: cropBoxHeight,
left: (container.width - cropBoxWidth) / 2,
top: (container.height - cropBoxHeight) / 2,
});
},
});
}
onModalHide() {
this.modalCropImg.attr('src', '').cropper('destroy');
const modalElement = document.querySelector('.modal-profile-crop');
if (modalElement) modalElement.remove();
}
onUploadImageBtnClick(e) {
e.preventDefault();
this.setBlob();
this.setPreview();
this.modalCrop.modal('hide');
return this.fileInput.val('');
}
onActionBtnClick(btn) {
const data = $(btn).data();
if (this.modalCropImg.data('cropper') && data.method) {
return this.modalCropImg.cropper(data.method, data.option);
}
}
onFileInputChange(e, input) {
return this.readFile(input);
}
readFile(input) {
const _this = this;
const reader = new FileReader();
reader.onload = () => {
_this.modalCropImg.attr('src', reader.result);
return _this.modalCrop.modal('show');
};
return reader.readAsDataURL(input.files[0]);
}
dataURLtoBlob(dataURL) {
let i = 0;
let len = 0;
const binary = atob(dataURL.split(',')[1]);
const array = [];
for (i = 0, len = binary.length; i < len; i += 1) {
array.push(binary.charCodeAt(i));
}
return new Blob([new Uint8Array(array)], {
type: 'image/png',
});
}
setPreview() {
const filename = this.fileInput.val().replace(FILENAMEREGEX, '');
this.previewImage.attr('src', this.dataURL);
this.previewImage.attr('srcset', this.dataURL);
return this.filename.text(filename);
}
setBlob() {
this.dataURL = this.modalCropImg
.cropper('getCroppedCanvas', {
width: 200,
height: 200,
})
.toDataURL('image/png');
return (this.croppedImageBlob = this.dataURLtoBlob(this.dataURL));
}
getBlob() {
return this.croppedImageBlob;
}
}
const cropModal = document.querySelector('.modal-profile-crop');
if (cropModal) loadCSSFile(cropModal.dataset.cropperCssPath);
$.fn.glCrop = function (opts) {
return this.each(function () {
return $(this).data('glcrop', new GitLabCrop(this, opts));
});
};
})(window.gl || (window.gl = {}));
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