X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/a6633642232efd164d4708967ab59e498fbff896..refs/pull/4827/head:/resources/js/components/dropzone.js

diff --git a/resources/js/components/dropzone.js b/resources/js/components/dropzone.js
index e7273df62..1cac09b4a 100644
--- a/resources/js/components/dropzone.js
+++ b/resources/js/components/dropzone.js
@@ -1,77 +1,248 @@
-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 {
 
-/**
- * Dropzone
- * @extends {Component}
- */
-class Dropzone {
     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.errorMessage = this.$opts.errorMessage;
+        this.uploadLimitMb = Number(this.$opts.uploadLimit);
         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.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() {
+        onSelect(this.selectButtons, this.manualSelectHandler.bind(this));
+        this.setupDropTargetHandlers();
+    }
+
+    setupDropTargetHandlers() {
+        let depth = 0;
+
+        const reset = () => {
+            this.hideOverlay();
+            depth = 0;
+        };
+
+        this.dropTarget.addEventListener('dragenter', event => {
+            event.preventDefault();
+            depth += 1;
+
+            if (depth === 1 && this.isActive) {
+                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();
+
+            if (!this.isActive) {
+                return;
+            }
+
+            const clipboard = new Clipboard(event.dataTransfer);
+            const files = clipboard.getFiles();
+            for (const file of files) {
+                this.createUploadFromFile(file);
             }
         });
     }
 
-    onSending(file, xhr, data) {
+    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();
+        });
+    }
 
-        const token = window.document.querySelector('meta[name=token]').getAttribute('content');
-        data.append('_token', token);
+    showOverlay() {
+        const overlay = this.dropTarget.querySelector('.dropzone-overlay');
+        if (!overlay) {
+            const zoneElem = elem('div', {class: 'dropzone-overlay'}, [this.zoneText]);
+            this.dropTarget.append(zoneElem);
+        }
+    }
 
-        xhr.ontimeout = (e) => {
-            this.dz.emit('complete', file);
-            this.dz.emit('error', file, this.timeoutMessage);
+    hideOverlay() {
+        const overlay = this.dropTarget.querySelector('.dropzone-overlay');
+        if (overlay) {
+            overlay.remove();
         }
     }
 
-    onSuccess(file, data) {
-        this.$emit('success', {file, data});
+    /**
+     * @param {File} file
+     * @return {Upload}
+     */
+    createUploadFromFile(file) {
+        const {
+            dom, status, progress, dismiss,
+        } = this.createDomForFile(file);
+        this.statusArea.append(dom);
+        const component = this;
+
+        const upload = {
+            file,
+            dom,
+            updateProgress(percentComplete) {
+                progress.textContent = `${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,
+                });
+            },
+        };
 
-        if (this.successMessage) {
-            window.$events.emit('success', this.successMessage);
+        // Enforce early upload filesize limit
+        if (file.size > (this.uploadLimitMb * 1000000)) {
+            upload.markError(this.uploadLimitMessage);
+            return upload;
         }
 
-        fadeOut(file.previewElement, 800, () => {
-            this.dz.removeFile(file);
+        this.startXhrForUpload(upload);
+
+        return upload;
+    }
+
+    /**
+     * @param {Upload} upload
+     */
+    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);
+                }
+            },
+        });
+
+        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, 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 setMessage = (message) => {
-            const messsageEl = file.previewElement.querySelector('[data-dz-errormessage]');
-            messsageEl.textContent = message;
-        }
+        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 (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);
+        const dismiss = () => {
+            dom.classList.add('dismiss');
+            dom.addEventListener('animationend', () => {
+                dom.remove();
+            });
+        };
+
+        dom.addEventListener('click', dismiss);
+
+        return {
+            dom, progress, status, dismiss,
+        };
     }
+
 }
 
-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
+ */