-import DropZoneLib from "dropzone";
-import {fadeOut} from "../services/animations";
+import {Component} from './component';
+import {Clipboard} from '../services/clipboard';
+
+export class Dropzone extends Component {
-/**
- * Dropzone
- * @extends {Component}
- */
-class Dropzone {
setup() {
this.container = this.$el;
this.url = this.$opts.url;
this.successMessage = this.$opts.successMessage;
this.removeMessage = this.$opts.removeMessage;
- this.uploadLimitMessage = this.$opts.uploadLimitMessage;
- this.timeoutMessage = this.$opts.timeoutMessage;
-
- const _this = this;
- this.dz = new DropZoneLib(this.container, {
- addRemoveLinks: true,
- dictRemoveFile: this.removeMessage,
- timeout: Number(window.uploadTimeout) || 60000,
- maxFilesize: Number(window.uploadLimit) || 256,
- url: this.url,
- withCredentials: true,
- init() {
- this.dz = this;
- this.dz.on('sending', _this.onSending.bind(_this));
- this.dz.on('success', _this.onSuccess.bind(_this));
- this.dz.on('error', _this.onError.bind(_this));
+ this.uploadLimit = Number(this.$opts.uploadLimit); // TODO - Use
+ this.uploadLimitMessage = this.$opts.uploadLimitMessage; // TODO - Use
+ this.timeoutMessage = this.$opts.timeoutMessage; // TODO - Use
+ // window.uploadTimeout // TODO - Use
+ // TODO - Click-to-upload buttons/areas
+ // TODO - Drop zone highlighting of existing element
+ // (Add overlay via additional temp element).
+
+ this.setupListeners();
+ }
+
+ setupListeners() {
+ this.container.addEventListener('dragenter', event => {
+ this.container.style.border = '1px dotted tomato';
+ event.preventDefault();
+ });
+
+ this.container.addEventListener('dragover', event => {
+ event.preventDefault();
+ });
+
+ const reset = () => {
+ this.container.style.border = null;
+ };
+
+ this.container.addEventListener('dragend', event => {
+ reset();
+ });
+
+ this.container.addEventListener('dragleave', event => {
+ reset();
+ });
+
+ this.container.addEventListener('drop', event => {
+ event.preventDefault();
+ const clipboard = new Clipboard(event.dataTransfer);
+ const files = clipboard.getFiles();
+ for (const file of files) {
+ this.createUploadFromFile(file);
}
});
}
- onSending(file, xhr, data) {
+ /**
+ * @param {File} file
+ * @return {Upload}
+ */
+ createUploadFromFile(file) {
+ const {dom, status, progress} = this.createDomForFile(file);
+ this.container.append(dom);
- const token = window.document.querySelector('meta[name=token]').getAttribute('content');
- data.append('_token', token);
+ const upload = {
+ file,
+ dom,
+ updateProgress(percentComplete) {
+ console.log(`progress: ${percentComplete}%`);
+ progress.textContent = `${percentComplete}%`;
+ progress.style.width = `${percentComplete}%`;
+ },
+ markError(message) {
+ status.setAttribute('data-status', 'error');
+ status.textContent = message;
+ },
+ markSuccess(message) {
+ status.setAttribute('data-status', 'success');
+ status.textContent = message;
+ },
+ };
- xhr.ontimeout = (e) => {
- this.dz.emit('complete', file);
- this.dz.emit('error', file, this.timeoutMessage);
- }
+ this.startXhrForUpload(upload);
+
+ return upload;
}
- onSuccess(file, data) {
- this.$emit('success', {file, data});
+ /**
+ * @param {Upload} upload
+ */
+ startXhrForUpload(upload) {
+ const formData = new FormData();
+ formData.append('file', upload.file, upload.file.name);
- if (this.successMessage) {
- window.$events.emit('success', this.successMessage);
- }
+ const req = window.$http.createXMLHttpRequest('POST', this.url, {
+ error() {
+ upload.markError('Upload failed'); // TODO - Update text
+ },
+ readystatechange() {
+ if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
+ upload.markSuccess('Finished upload!');
+ } 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);
+ }
+ },
+ });
- fadeOut(file.previewElement, 800, () => {
- this.dz.removeFile(file);
+ 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);
}
- onError(file, errorMessage, xhr) {
- this.$emit('error', {file, errorMessage, xhr});
+ /**
+ * @param {File} file
+ * @return {{image: Element, dom: Element, progress: Element, label: Element, status: Element}}
+ */
+ createDomForFile(file) {
+ const dom = document.createElement('div');
+ const label = document.createElement('div');
+ const status = document.createElement('div');
+ const progress = document.createElement('div');
+ const image = document.createElement('img');
- const setMessage = (message) => {
- const messsageEl = file.previewElement.querySelector('[data-dz-errormessage]');
- messsageEl.textContent = message;
- }
+ dom.classList.add('dropzone-file-item');
+ status.classList.add('dropzone-file-item-status');
+ progress.classList.add('dropzone-file-item-progress');
+
+ image.src = ''; // TODO - file icon
+ label.innerText = file.name;
- if (xhr && xhr.status === 413) {
- setMessage(this.uploadLimitMessage);
- } else if (errorMessage.file) {
- setMessage(errorMessage.file);
+ if (file.type.startsWith('image/')) {
+ image.src = URL.createObjectURL(file);
}
- }
- removeAll() {
- this.dz.removeAllFiles(true);
+ dom.append(image, label, progress, status);
+ return {
+ dom, label, image, progress, status,
+ };
}
+
}
-export default Dropzone;
\ No newline at end of file
+/**
+ * @typedef Upload
+ * @property {File} file
+ * @property {Element} dom
+ * @property {function(Number)} updateProgress
+ * @property {function(String)} markError
+ * @property {function(String)} markSuccess
+ */
projects / bookstack / blobdiff