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.isActive = true;
+
this.url = this.$opts.url;
+ this.method = (this.$opts.method || 'post').toUpperCase();
this.successMessage = this.$opts.successMessage;
- this.removeMessage = this.$opts.removeMessage;
- this.uploadLimit = Number(this.$opts.uploadLimit); // TODO - Use
- this.uploadLimitMessage = this.$opts.uploadLimitMessage; // TODO - Use
- this.timeoutMessage = this.$opts.timeoutMessage; // TODO - Use
- // window.uploadTimeout // TODO - Use
- // TODO - Click-to-upload buttons/areas
- // TODO - Drop zone highlighting of existing element
- // (Add overlay via additional temp element).
+ this.errorMessage = this.$opts.errorMessage;
+ this.uploadLimitMb = Number(this.$opts.uploadLimit);
+ this.uploadLimitMessage = this.$opts.uploadLimitMessage;
+ this.zoneText = this.$opts.zoneText;
+ this.fileAcceptTypes = this.$opts.fileAccept;
+ this.allowMultiple = this.$opts.allowMultiple === 'true';
this.setupListeners();
}
+ /**
+ * Public method to allow external disabling/enabling of this drag+drop dropzone.
+ * @param {Boolean} active
+ */
+ toggleActive(active) {
+ this.isActive = active;
+ }
+
setupListeners() {
- this.container.addEventListener('dragenter', event => {
- this.container.style.border = '1px dotted tomato';
- event.preventDefault();
- });
+ onSelect(this.selectButtons, this.manualSelectHandler.bind(this));
+ this.setupDropTargetHandlers();
+ }
- this.container.addEventListener('dragover', event => {
- event.preventDefault();
- });
+ setupDropTargetHandlers() {
+ let depth = 0;
const reset = () => {
- this.container.style.border = null;
+ this.hideOverlay();
+ depth = 0;
};
- this.container.addEventListener('dragend', event => {
- reset();
+ this.dropTarget.addEventListener('dragenter', event => {
+ event.preventDefault();
+ depth += 1;
+
+ if (depth === 1 && this.isActive) {
+ this.showOverlay();
+ }
});
- this.container.addEventListener('dragleave', event => {
- reset();
+ this.dropTarget.addEventListener('dragover', event => {
+ event.preventDefault();
});
- this.container.addEventListener('drop', event => {
+ this.dropTarget.addEventListener('dragend', reset);
+ this.dropTarget.addEventListener('dragleave', () => {
+ depth -= 1;
+ if (depth === 0) {
+ reset();
+ }
+ });
+ this.dropTarget.addEventListener('drop', event => {
event.preventDefault();
+ reset();
+
+ if (!this.isActive) {
+ return;
+ }
+
const clipboard = new Clipboard(event.dataTransfer);
const files = clipboard.getFiles();
for (const file of files) {
});
}
+ manualSelectHandler() {
+ const input = elem('input', {
+ type: 'file',
+ style: 'left: -400px; visibility: hidden; position: fixed;',
+ accept: this.fileAcceptTypes,
+ multiple: this.allowMultiple ? '' : null,
+ });
+ this.container.append(input);
+ input.click();
+ input.addEventListener('change', () => {
+ for (const file of input.files) {
+ this.createUploadFromFile(file);
+ }
+ input.remove();
+ });
+ }
+
+ showOverlay() {
+ const overlay = this.dropTarget.querySelector('.dropzone-overlay');
+ if (!overlay) {
+ const zoneElem = elem('div', {class: 'dropzone-overlay'}, [this.zoneText]);
+ this.dropTarget.append(zoneElem);
+ }
+ }
+
+ hideOverlay() {
+ const overlay = this.dropTarget.querySelector('.dropzone-overlay');
+ if (overlay) {
+ overlay.remove();
+ }
+ }
+
/**
* @param {File} file
* @return {Upload}
*/
createUploadFromFile(file) {
- const {dom, status} = this.createDomForFile(file);
- this.container.append(dom);
-
- const formData = new FormData();
- formData.append('file', file, file.name);
-
- // TODO - Change to XMLHTTPRequest so we can track progress.
- const uploadPromise = window.$http.post(this.url, formData);
+ const {
+ dom, status, progress, dismiss,
+ } = this.createDomForFile(file);
+ this.statusArea.append(dom);
+ const component = this;
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.$emit('upload-success', {
+ name: file.name,
+ });
},
};
- uploadPromise.then(returnData => {
- upload.markSuccess(returnData.statusText);
- }).catch(err => {
- upload.markError(err?.data?.message || err.message);
- });
+ // Enforce early upload filesize limit
+ if (file.size > (this.uploadLimitMb * 1000000)) {
+ upload.markError(this.uploadLimitMessage);
+ return upload;
+ }
+
+ this.startXhrForUpload(upload);
return upload;
}
/**
- * @param {File} file
- * @return {{image: Element, dom: Element, progress: Element, label: Element, status: Element}}
+ * @param {Upload} upload
*/
- createDomForFile(file) {
- const dom = document.createElement('div');
- const label = document.createElement('div');
- const status = document.createElement('div');
- const progress = document.createElement('div');
- const image = document.createElement('img');
+ startXhrForUpload(upload) {
+ const formData = new FormData();
+ formData.append('file', upload.file, upload.file.name);
+ if (this.method !== 'POST') {
+ formData.append('_method', this.method);
+ }
+ const component = this;
+
+ const req = window.$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 || data?.error || content;
+ upload.markError(message);
+ }
+ },
+ });
- dom.classList.add('dropzone-file-item');
- status.classList.add('dropzone-file-item-status');
- progress.classList.add('dropzone-file-item-progress');
+ req.upload.addEventListener('progress', evt => {
+ const percent = Math.min(Math.ceil((evt.loaded / evt.total) * 100), 100);
+ upload.updateProgress(percent);
+ });
- image.src = ''; // TODO - file icon
- label.innerText = file.name;
+ req.setRequestHeader('Accept', 'application/json');
+ req.send(formData);
+ }
+
+ /**
+ * @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);
}
- dom.append(image, label, progress, status);
+ const dismiss = () => {
+ dom.classList.add('dismiss');
+ dom.addEventListener('animationend', () => {
+ dom.remove();
+ });
+ };
+
+ dom.addEventListener('click', dismiss);
+
return {
- dom, label, image, progress, status,
+ 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