debian-mirror-gitlab/app/assets/javascripts/profile/gl_crop.js

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