Dropzone: Polished image manager elements

- Added file placeholder for non-image uploads.
- Added use of upload limits.
- Removed upload timeout variable.
- Added pass-through and usage of filetypes.
- Extracted some view text to language files and made use of existing
  text.

lang/en/components.php

@@ -7,6 +7,8 @@ return [
     // Image Manager
     'image_select' => 'Image Select',
     'image_upload' => 'Upload Image',
+    'image_intro' => 'Here you can select and manage images that have been previously uploaded to the system.',
+    'image_intro_upload' => 'Upload a new image by dragging an image file into this window, or by using the "Upload Image" button above.',
     'image_all' => 'All',
     'image_all_title' => 'View all images',
     'image_book_title' => 'View images uploaded to this book',
@@ -23,9 +25,9 @@ return [
     'images_deleted' => 'Images Deleted',
     'image_preview' => 'Image Preview',
     'image_upload_success' => 'Image uploaded successfully',
+    'image_upload_failure' => 'Image failed to upload',
     'image_update_success' => 'Image details successfully updated',
     'image_delete_success' => 'Image successfully deleted',
-    'image_upload_remove' => 'Remove',
 
     // Code Editor
     'code_editor' => 'Edit Code',

lang/en/errors.php

@@ -45,7 +45,6 @@ return [
     'cannot_create_thumbs' => 'The server cannot create thumbnails. Please check you have the GD PHP extension installed.',
     'server_upload_limit' => 'The server does not allow uploads of this size. Please try a smaller file size.',
     'uploaded'  => 'The server does not allow uploads of this size. Please try a smaller file size.',
-    'file_upload_timeout' => 'The file upload has timed out.',
 
     // Drawing & Images
     'image_upload_error' => 'An error occurred uploading the image',

resources/icons/file.svg

@@ -1,4 +1 @@
-<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M6 2c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6H6zm7 7V3.5L18.5 9H13z"/></svg>
-    <path d="M6 2c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6H6zm7 7V3.5L18.5 9H13z"/>
-    <path d="M0 0h24v24H0z" fill="none"/>
-</svg>

resources/js/components/dropzone.js

@@ -14,21 +14,28 @@ export class Dropzone extends Component {
 
         this.url = this.$opts.url;
         this.successMessage = this.$opts.successMessage;
-        this.removeMessage = this.$opts.removeMessage;
+        this.errorMessage = this.$opts.errorMessage;
-        this.uploadLimit = Number(this.$opts.uploadLimit); // TODO - Use
+        this.uploadLimitMb = Number(this.$opts.uploadLimit);
-        this.uploadLimitMessage = this.$opts.uploadLimitMessage; // TODO - Use
+        this.uploadLimitMessage = this.$opts.uploadLimitMessage;
-        this.timeoutMessage = this.$opts.timeoutMessage; // TODO - Use
         this.zoneText = this.$opts.zoneText;
-        // window.uploadTimeout // TODO - Use
+        this.fileAcceptTypes = this.$opts.fileAccept;
 
         this.setupListeners();
     }
 
     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;
@@ -42,22 +49,13 @@ export class Dropzone extends Component {
             event.preventDefault();
         });
 
-        const reset = () => {
+        this.dropTarget.addEventListener('dragend', reset);
-            this.hideOverlay();
+        this.dropTarget.addEventListener('dragleave', () => {
-            depth = 0;
-        };
-
-        this.dropTarget.addEventListener('dragend', event => {
-            reset();
-        });
-
-        this.dropTarget.addEventListener('dragleave', event => {
             depth -= 1;
             if (depth === 0) {
                 reset();
             }
         });
-
         this.dropTarget.addEventListener('drop', event => {
             event.preventDefault();
             reset();
@@ -70,10 +68,10 @@ export class Dropzone extends Component {
     }
 
     manualSelectHandler() {
-        const input = elem('input', {type: 'file', style: 'left: -400px; visibility: hidden; position: fixed;'});
+        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', event => {
+        input.addEventListener('change', () => {
             for (const file of input.files) {
                 this.createUploadFromFile(file);
             }
@@ -101,7 +99,9 @@ export class Dropzone extends Component {
      * @return {Upload}
      */
     createUploadFromFile(file) {
-        const {dom, status, progress, dismiss} = this.createDomForFile(file);
+        const {
+            dom, status, progress, dismiss,
+        } = this.createDomForFile(file);
         this.statusArea.append(dom);
         const component = this;
 
@@ -116,6 +116,7 @@ export class Dropzone extends Component {
                 status.setAttribute('data-status', 'error');
                 status.textContent = message;
                 removeLoading(dom);
+                this.updateProgress(100);
             },
             markSuccess(message) {
                 status.setAttribute('data-status', 'success');
@@ -128,6 +129,12 @@ export class Dropzone extends Component {
             },
         };
 
+        // Enforce early upload filesize limit
+        if (file.size > (this.uploadLimitMb * 1000000)) {
+            upload.markError(this.uploadLimitMessage);
+            return upload;
+        }
+
         this.startXhrForUpload(upload);
 
         return upload;
@@ -139,14 +146,15 @@ export class Dropzone extends Component {
     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('Upload failed'); // TODO - Update text
+                upload.markError(component.errorMessage);
             },
             readystatechange() {
                 if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
-                    upload.markSuccess('Finished upload!');
+                    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};
@@ -170,7 +178,7 @@ export class Dropzone extends Component {
      * @return {{image: Element, dom: Element, progress: Element, status: Element, dismiss: function}}
      */
     createDomForFile(file) {
-        const image = elem('img', {src: ''});
+        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]);
@@ -191,7 +199,7 @@ export class Dropzone extends Component {
 
         const dismiss = () => {
             dom.classList.add('dismiss');
-            dom.addEventListener('animationend', event => {
+            dom.addEventListener('animationend', () => {
                 dom.remove();
             });
         };

resources/sass/_components.scss

@@ -145,6 +145,7 @@
   box-shadow: none;
   color: #FFF;
   padding: $-xs $-m;
+  cursor: pointer;
 }
 
 .popup-header button:not(.popup-header-close) {
@@ -292,6 +293,7 @@ body.flexbox-support #entity-selector-wrap .popup-body .form-group {
 .dropzone-file-item-image-wrap {
   width: 80px;
   position: relative;
+  background-color: var(--color-primary-light);
   img {
     object-fit: cover;
     width: 100%;
@@ -322,7 +324,7 @@ body.flexbox-support #entity-selector-wrap .popup-body .form-group {
 }
 .dropzone-file-item-status[data-status] {
   display: flex;
-  font-size: .8rem;
+  font-size: .6rem;
   font-weight: 500;
   line-height: 1.2;
 }
@@ -407,7 +409,7 @@ body.flexbox-support #entity-selector-wrap .popup-body .form-group {
     min-height: auto;
     padding: $-m;
   }
-  img {
+  .image-manager-viewer img {
     max-width: 100%;
     max-height: 180px;
     display: block;

resources/views/pages/parts/image-manager.blade.php

@@ -1,11 +1,11 @@
 <div components="image-manager dropzone"
      option:dropzone:url="{{ url('/images/gallery?' . http_build_query(['uploaded_to' => $uploaded_to ?? 0])) }}"
      option:dropzone:success-message="{{ trans('components.image_upload_success') }}"
-     option:dropzone:remove-message="{{ trans('components.image_upload_remove') }}"
+     option:dropzone:error-message="{{ trans('components.image_upload_failure') }}"
      option:dropzone:upload-limit="{{ config('app.upload_limit') }}"
      option:dropzone:upload-limit-message="{{ trans('errors.server_upload_limit') }}"
-     option:dropzone:timeout-message="{{ trans('errors.file_upload_timeout') }}"
      option:dropzone:zone-text="{{ trans('components.image_dropzone_drop') }}"
+     option:dropzone:file-accept="image/*"
      option:image-manager:uploaded-to="{{ $uploaded_to ?? 0 }}"
      class="image-manager">
 
@@ -66,9 +66,8 @@
                     </div>
 
                     <div refs="image-manager@form-container-placeholder" class="p-m text-small text-muted">
-                        <p>Here you can manage or select images that have been previously uploaded to the system.</p>
+                        <p>{{ trans('components.image_intro') }}</p>
-                        <p>Upload a new image by dragging an image file into this window,
+                        <p>{{ trans('components.image_intro_upload') }}</p>
-                            or by using the "Upload Image" button above.</p>
                     </div>
 
                     <div refs="image-manager@formContainer" class="inner flex">