X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/a6633642232efd164d4708967ab59e498fbff896..36116a45d4047b68c5a6ecf2ab3bb19e3e40782a:/resources/js/components/dropzone.js

diff --git a/resources/js/components/dropzone.js b/resources/js/components/dropzone.js
index e7273df62..87c6b4d4f 100644
--- a/resources/js/components/dropzone.js
+++ b/resources/js/components/dropzone.js
@@ -1,77 +1,154 @@
-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
+ */