-import DropZoneLib from 'dropzone';
-import {fadeOut} from '../services/animations';
import {Component} from './component';
+import {Clipboard} from '../services/clipboard';
+import {
+ elem, getLoading, onSelect, removeLoading,
+} from '../services/dom';
export class Dropzone extends Component {
setup() {
this.container = this.$el;
+ this.statusArea = this.$refs.statusArea;
+ this.dropTarget = this.$refs.dropTarget;
+ this.selectButtons = this.$manyRefs.selectButton || [];
+
this.url = this.$opts.url;
this.successMessage = this.$opts.successMessage;
- this.removeMessage = this.$opts.removeMessage;
- this.uploadLimit = Number(this.$opts.uploadLimit);
+ this.errorMessage = this.$opts.errorMessage;
+ this.uploadLimitMb = Number(this.$opts.uploadLimit);
this.uploadLimitMessage = this.$opts.uploadLimitMessage;
- this.timeoutMessage = this.$opts.timeoutMessage;
+ this.zoneText = this.$opts.zoneText;
+ this.fileAcceptTypes = this.$opts.fileAccept;
- const component = this;
- this.dz = new DropZoneLib(this.container, {
- addRemoveLinks: true,
- dictRemoveFile: this.removeMessage,
- timeout: Number(window.uploadTimeout) || 60000,
- maxFilesize: this.uploadLimit,
- url: this.url,
- withCredentials: true,
- init() {
- this.dz = this;
- this.dz.on('sending', component.onSending.bind(component));
- this.dz.on('success', component.onSuccess.bind(component));
- this.dz.on('error', component.onError.bind(component));
- },
- });
+ this.setupListeners();
+ }
+
+ setupListeners() {
+ onSelect(this.selectButtons, this.manualSelectHandler.bind(this));
+ this.setupDropTargetHandlers();
}
- onSending(file, xhr, data) {
- const token = window.document.querySelector('meta[name=token]').getAttribute('content');
- data.append('_token', token);
+ setupDropTargetHandlers() {
+ let depth = 0;
- xhr.ontimeout = () => {
- this.dz.emit('complete', file);
- this.dz.emit('error', file, this.timeoutMessage);
+ const reset = () => {
+ this.hideOverlay();
+ depth = 0;
};
+
+ this.dropTarget.addEventListener('dragenter', event => {
+ event.preventDefault();
+ depth += 1;
+
+ if (depth === 1) {
+ this.showOverlay();
+ }
+ });
+
+ this.dropTarget.addEventListener('dragover', event => {
+ event.preventDefault();
+ });
+
+ this.dropTarget.addEventListener('dragend', reset);
+ this.dropTarget.addEventListener('dragleave', () => {
+ depth -= 1;
+ if (depth === 0) {
+ reset();
+ }
+ });
+ this.dropTarget.addEventListener('drop', event => {
+ event.preventDefault();
+ reset();
+ const clipboard = new Clipboard(event.dataTransfer);
+ const files = clipboard.getFiles();
+ for (const file of files) {
+ this.createUploadFromFile(file);
+ }
+ });
}
- onSuccess(file, data) {
- this.$emit('success', {file, data});
+ manualSelectHandler() {
+ const input = elem('input', {type: 'file', style: 'left: -400px; visibility: hidden; position: fixed;', accept: this.fileAcceptTypes});
+ this.container.append(input);
+ input.click();
+ input.addEventListener('change', () => {
+ for (const file of input.files) {
+ this.createUploadFromFile(file);
+ }
+ input.remove();
+ });
+ }
- if (this.successMessage) {
- window.$events.emit('success', this.successMessage);
+ showOverlay() {
+ const overlay = this.dropTarget.querySelector('.dropzone-overlay');
+ if (!overlay) {
+ const zoneElem = elem('div', {class: 'dropzone-overlay'}, [this.zoneText]);
+ this.dropTarget.append(zoneElem);
}
+ }
- fadeOut(file.previewElement, 800, () => {
- this.dz.removeFile(file);
- });
+ hideOverlay() {
+ const overlay = this.dropTarget.querySelector('.dropzone-overlay');
+ if (overlay) {
+ overlay.remove();
+ }
}
- onError(file, errorMessage, xhr) {
- this.$emit('error', {file, errorMessage, xhr});
+ /**
+ * @param {File} file
+ * @return {Upload}
+ */
+ createUploadFromFile(file) {
+ const {
+ dom, status, progress, dismiss,
+ } = this.createDomForFile(file);
+ this.statusArea.append(dom);
+ const component = this;
- const setMessage = message => {
- const messsageEl = file.previewElement.querySelector('[data-dz-errormessage]');
- messsageEl.textContent = message;
+ const upload = {
+ file,
+ dom,
+ updateProgress(percentComplete) {
+ progress.textContent = `${percentComplete}%`;
+ progress.style.width = `${percentComplete}%`;
+ },
+ markError(message) {
+ status.setAttribute('data-status', 'error');
+ status.textContent = message;
+ removeLoading(dom);
+ this.updateProgress(100);
+ },
+ markSuccess(message) {
+ status.setAttribute('data-status', 'success');
+ status.textContent = message;
+ removeLoading(dom);
+ setTimeout(dismiss, 2400);
+ component.$emit('upload-success', {
+ name: file.name,
+ });
+ },
};
- if (xhr && xhr.status === 413) {
- setMessage(this.uploadLimitMessage);
- } else if (errorMessage.file) {
- setMessage(errorMessage.file);
+ // Enforce early upload filesize limit
+ if (file.size > (this.uploadLimitMb * 1000000)) {
+ upload.markError(this.uploadLimitMessage);
+ return upload;
}
+
+ this.startXhrForUpload(upload);
+
+ return upload;
+ }
+
+ /**
+ * @param {Upload} upload
+ */
+ startXhrForUpload(upload) {
+ const formData = new FormData();
+ formData.append('file', upload.file, upload.file.name);
+ const component = this;
+
+ const req = window.$http.createXMLHttpRequest('POST', this.url, {
+ error() {
+ upload.markError(component.errorMessage);
+ },
+ readystatechange() {
+ if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
+ upload.markSuccess(component.successMessage);
+ } else if (this.readyState === XMLHttpRequest.DONE && this.status >= 400) {
+ const content = this.responseText;
+ const data = content.startsWith('{') ? JSON.parse(content) : {message: content};
+ const message = data?.message || content;
+ upload.markError(message);
+ }
+ },
+ });
+
+ req.upload.addEventListener('progress', evt => {
+ const percent = Math.min(Math.ceil((evt.loaded / evt.total) * 100), 100);
+ upload.updateProgress(percent);
+ });
+
+ req.setRequestHeader('Accept', 'application/json');
+ req.send(formData);
}
- removeAll() {
- this.dz.removeAllFiles(true);
+ /**
+ * @param {File} file
+ * @return {{image: Element, dom: Element, progress: Element, status: Element, dismiss: function}}
+ */
+ createDomForFile(file) {
+ const image = elem('img', {src: "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.224 7.373a.924.924 0 0 0-.92.925l-.006 7.404c0 .509.412.925.921.925h5.557a.928.928 0 0 0 .926-.925v-5.553l-2.777-2.776Zm3.239 3.239V8.067l2.545 2.545z' style='fill:%23000;fill-opacity:.75'/%3E%3C/svg%3E"});
+ const status = elem('div', {class: 'dropzone-file-item-status'}, []);
+ const progress = elem('div', {class: 'dropzone-file-item-progress'});
+ const imageWrap = elem('div', {class: 'dropzone-file-item-image-wrap'}, [image]);
+
+ const dom = elem('div', {class: 'dropzone-file-item'}, [
+ imageWrap,
+ elem('div', {class: 'dropzone-file-item-text-wrap'}, [
+ elem('div', {class: 'dropzone-file-item-label'}, [file.name]),
+ getLoading(),
+ status,
+ ]),
+ progress,
+ ]);
+
+ if (file.type.startsWith('image/')) {
+ image.src = URL.createObjectURL(file);
+ }
+
+ const dismiss = () => {
+ dom.classList.add('dismiss');
+ dom.addEventListener('animationend', () => {
+ dom.remove();
+ });
+ };
+
+ dom.addEventListener('click', dismiss);
+
+ return {
+ dom, progress, status, dismiss,
+ };
}
}
+
+/**
+ * @typedef Upload
+ * @property {File} file
+ * @property {Element} dom
+ * @property {function(Number)} updateProgress
+ * @property {function(String)} markError
+ * @property {function(String)} markSuccess
+ */
projects / bookstack / blobdiff