add image upload via drag'n'drop

remove image upload by link
move 'image insertion from files' from MenuBar to EditorWrapper
allow uploading multiple files

Signed-off-by: Julien Veyssier <eneiluj@posteo.net>

3 files changed, 83 insertions, 100 deletions

diff --git a/src/components/EditorWrapper.vue b/src/components/EditorWrapper.vue
index e72f769d8..e589b2219 100644
--- a/src/components/EditorWrapper.vue
+++ b/src/components/EditorWrapper.vue
@@ -34,7 +34,12 @@
 			</p>
 		</div>
 		<div v-if="displayed" id="editor-wrapper" :class="{'has-conflicts': hasSyncCollission, 'icon-loading': !contentLoaded && !hasConnectionIssue, 'richEditor': isRichEditor, 'show-color-annotations': showAuthorAnnotations}">
-			<div v-if="tiptap" id="editor">
+			<div v-if="tiptap"
+				id="editor"
+				:class="{ draggedOver }"
+				@dragover.prevent.stop="draggedOver = true"
+				@dragleave.prevent.stop="draggedOver = false"
+				@drop.prevent.stop="onEditorDrop">
 				<MenuBar v-if="renderMenus"
 					ref="menubar"
 					:editor="tiptap"
@@ -45,7 +50,10 @@
 					:is-public="isPublic"
 					:autohide="autohide"
 					:loaded.sync="menubarLoaded"
-					@show-help="showHelp">
+					:uploading-image="nbUploadingImages > 0"
+					@show-help="showHelp"
+					@image-insert="insertImagePath"
+					@image-upload="uploadImageFiles">
 					<div id="editor-session-list">
 						<div v-tooltip="lastSavedStatusTooltip" class="save-status" :class="lastSavedStatusClass">
 							{{ lastSavedStatus }}
@@ -81,6 +89,7 @@
 import Vue from 'vue'
 import escapeHtml from 'escape-html'
 import moment from '@nextcloud/moment'
+import { showError } from '@nextcloud/dialogs'
 
 import { SyncService, ERROR_TYPE, IDLE_TIMEOUT } from './../services/SyncService'
 import { endpointUrl, getRandomGuestName } from './../helpers'
@@ -99,6 +108,18 @@ import { Step } from 'prosemirror-transform'
 
 const EDITOR_PUSH_DEBOUNCE = 200
 
+const imageMimes = [
+	'image/png',
+	'image/jpeg',
+	'image/jpg',
+	'image/gif',
+	'image/x-xbitmap',
+	'image/x-ms-bmp',
+	'image/bmp',
+	'image/svg+xml',
+	'image/webp',
+]
+
 export default {
 	name: 'EditorWrapper',
 	components: {
@@ -179,6 +200,8 @@ export default {
 			readOnly: true,
 			forceRecreate: false,
 			menubarLoaded: false,
+			nbUploadingImages: 0,
+			draggedOver: false,
 
 			saveStatusPolling: null,
 			displayHelp: false,
@@ -543,6 +566,51 @@ export default {
 		hideHelp() {
 			this.displayHelp = false
 		},
+		onEditorDrop(e) {
+			this.uploadImageFiles(e.dataTransfer.files)
+			this.draggedOver = false
+		},
+		uploadImageFiles(files) {
+			if (files) {
+				files.forEach((file) => {
+					this.uploadImageFile(file)
+				})
+			}
+		},
+		uploadImageFile(file) {
+			if (!imageMimes.includes(file.type)) {
+				showError(t('text', 'Image file format not supported'))
+				return
+			}
+
+			this.nbUploadingImages++
+			this.syncService.uploadImage(file).then((response) => {
+				this.insertAttachmentImage(response.data?.name, response.data?.id)
+			}).catch((error) => {
+				console.error(error)
+				showError(error?.response?.data?.error)
+			}).then(() => {
+				this.nbUploadingImages--
+			})
+		},
+		insertImagePath(imagePath) {
+			this.nbUploadingImages++
+			this.syncService.insertImageFile(imagePath).then((response) => {
+				this.insertAttachmentImage(response.data?.name, response.data?.id)
+			}).catch((error) => {
+				console.error(error)
+				showError(error?.response?.data?.error)
+			}).then(() => {
+				this.nbUploadingImages--
+			})
+		},
+		insertAttachmentImage(name, fileId) {
+			const src = 'text://image?imageFileName=' + encodeURIComponent(name)
+			// simply get rid of brackets to make sure link text is valid
+			// as it does not need to be unique and matching the real file name
+			const alt = name.replaceAll(/[[\]]/g, '')
+			this.tiptap.chain().setImage({ src, alt }).focus().run()
+		},
 	},
 }
 </script>
@@ -778,6 +846,9 @@ export default {
 
 		// relative position for the alignment of the menububble
 		#editor {
+			&.draggedOver {
+				background-color: var(--color-primary-light);
+			}
 			.content-wrapper {
 				position: relative;
 			}
diff --git a/src/components/MenuBar.vue b/src/components/MenuBar.vue
index 7c27439da..60af3cc97 100644
--- a/src/components/MenuBar.vue
+++ b/src/components/MenuBar.vue
@@ -27,6 +27,7 @@
 			accept="image/*"
 			aria-hidden="true"
 			class="hidden-visually"
+			:multiple="true"
 			@change="onImageUploadFilePicked">
 		<div v-if="isRichEditor" ref="menubar" class="menubar-icons">
 			<template v-for="(icon, $index) in allIcons">
@@ -46,7 +47,7 @@
 					class="submenu"
 					:default-icon="'icon-image'"
 					@open="toggleChildMenu(icon)"
-					@close="onImageActionClose; toggleChildMenu(icon)">
+					@close="toggleChildMenu(icon)">
 					<button slot="icon"
 						:class="{ 'icon-image': true, 'loading-small': uploadingImage }"
 						:title="icon.label"
@@ -65,20 +66,6 @@
 						@click="showImagePrompt()">
 						{{ t('text', 'Insert from Files') }}
 					</ActionButton>
-					<ActionButton v-if="!showImageLinkPrompt"
-						icon="icon-link"
-						:close-after-click="false"
-						:disabled="uploadingImage"
-						@click="showImageLinkPrompt = true">
-						{{ t('text', 'Insert from link') }}
-					</ActionButton>
-					<ActionInput v-else
-						icon="icon-link"
-						:value="imageLink"
-						@update:value="onImageLinkUpdateValue"
-						@submit="onImageLinkSubmit()">
-						{{ t('text', 'Image link to insert') }}
-					</ActionInput>
 				</Actions>
 				<button v-else-if="icon.class"
 					v-show="$index < iconCount"
@@ -137,30 +124,15 @@ import isMobile from './../mixins/isMobile'
 
 import Actions from '@nextcloud/vue/dist/Components/Actions'
 import ActionButton from '@nextcloud/vue/dist/Components/ActionButton'
-import ActionInput from '@nextcloud/vue/dist/Components/ActionInput'
 import PopoverMenu from '@nextcloud/vue/dist/Components/PopoverMenu'
 import EmojiPicker from '@nextcloud/vue/dist/Components/EmojiPicker'
 import ClickOutside from 'vue-click-outside'
 import { getCurrentUser } from '@nextcloud/auth'
-import { showError } from '@nextcloud/dialogs'
-
-const imageMimes = [
-	'image/png',
-	'image/jpeg',
-	'image/jpg',
-	'image/gif',
-	'image/x-xbitmap',
-	'image/x-ms-bmp',
-	'image/bmp',
-	'image/svg+xml',
-	'image/webp',
-]
 
 export default {
 	name: 'MenuBar',
 	components: {
 		ActionButton,
-		ActionInput,
 		PopoverMenu,
 		Actions,
 		EmojiPicker,
@@ -204,6 +176,10 @@ export default {
 			required: false,
 			default: 0,
 		},
+		uploadingImage: {
+			type: Boolean,
+			default: false,
+		},
 	},
 	data: () => {
 		return {
@@ -212,9 +188,6 @@ export default {
 			forceRecompute: 0,
 			submenuVisibility: {},
 			lastImagePath: null,
-			showImageLinkPrompt: false,
-			uploadingImage: false,
-			imageLink: '',
 			icons: [...menuBarIcons],
 		}
 	},
@@ -353,86 +326,24 @@ export default {
 				this.refocus()
 			}
 		},
-		onImageActionClose() {
-			this.showImageLinkPrompt = false
-		},
 		onUploadImage() {
 			this.$refs.imageFileInput.click()
 		},
 		onImageUploadFilePicked(event) {
-			this.uploadingImage = true
-			const files = event.target.files
-			const image = files[0]
-			if (!imageMimes.includes(image.type)) {
-				showError(t('text', 'Image format not supported'))
-				this.uploadingImage = false
-				return
-			}
-
+			this.$emit('image-upload', event.target.files)
 			// Clear input to ensure that the change event will be emitted if
 			// the same file is picked again.
 			event.target.value = ''
-
-			this.syncService.uploadImage(image).then((response) => {
-				this.insertAttachmentImage(response.data?.name, response.data?.id)
-			}).catch((error) => {
-				console.error(error)
-				showError(error?.response?.data?.error)
-			}).then(() => {
-				this.uploadingImage = false
-			})
-		},
-		onImageLinkUpdateValue(newImageLink) {
-			// this avoids the input being reset on each file polling
-			this.imageLink = newImageLink
-		},
-		onImageLinkSubmit() {
-			if (!this.imageLink) {
-				return
-			}
-			this.uploadingImage = true
-			this.showImageLinkPrompt = false
-			this.$refs.imageActions[0].closeMenu()
-
-			this.syncService.insertImageLink(this.imageLink).then((response) => {
-				this.insertAttachmentImage(response.data?.name, response.data?.id)
-			}).catch((error) => {
-				console.error(error)
-				showError(error?.response?.data?.error)
-			}).then(() => {
-				this.uploadingImage = false
-				this.imageLink = ''
-			})
-		},
-		onImagePathSubmit(imagePath) {
-			this.uploadingImage = true
-			this.$refs.imageActions[0].closeMenu()
-
-			this.syncService.insertImageFile(imagePath).then((response) => {
-				this.insertAttachmentImage(response.data?.name, response.data?.id)
-			}).catch((error) => {
-				console.error(error)
-				showError(error?.response?.data?.error)
-			}).then(() => {
-				this.uploadingImage = false
-			})
 		},
 		showImagePrompt() {
 			const currentUser = getCurrentUser()
 			if (!currentUser) {
 				return
 			}
-			OC.dialogs.filepicker(t('text', 'Insert an image'), (file) => {
-				this.onImagePathSubmit(file)
+			OC.dialogs.filepicker(t('text', 'Insert an image'), (filePath) => {
+				this.$emit('image-insert', filePath)
 			}, false, [], true, undefined, this.imagePath)
 		},
-		insertAttachmentImage(name, fileId) {
-			const src = 'text://image?imageFileName=' + encodeURIComponent(name)
-			// simply get rid of brackets to make sure link text is valid
-			// as it does not need to be unique and matching the real file name
-			const alt = name.replaceAll(/[[\]]/g, '')
-			this.editor.chain().setImage({ src, alt }).focus().run()
-		},
 		optimalPathTo(targetFile) {
 			const absolutePath = targetFile.split('/')
 			const relativePath = this.relativePathTo(targetFile).split('/')
diff --git a/src/nodes/ImageView.vue b/src/nodes/ImageView.vue
index b97ee1613..751ce2f84 100644
--- a/src/nodes/ImageView.vue
+++ b/src/nodes/ImageView.vue
@@ -318,6 +318,7 @@ export default {
 			max-width: 80%;
 			border: none;
 			text-align: center;
+			background-color: transparent;
 		}
 	}