Add image selection

packages/gallery/package.json

@@ -16,7 +16,7 @@
 		"domvm": "~3.2.1",
 		"exif-parser": "~0.1.9",
 		"extract-text-webpack-plugin": "^3.0.2",
-		"frptools": "2.1.0",
+		"frptools": "2.2.0",
 		"pica": "~2.0.8",
 		"pouchdb-adapter-http": "~6.3.4",
 		"pouchdb-adapter-idb": "~6.3.4",

packages/gallery/src/interface/allImages.js

@@ -1,9 +1,15 @@
-import { prop, computed } from 'frptools';
+import { prop, computed, container } from 'frptools';
 
-import { subscribeToRender, defineView, defineElement as el } from '../utils/domvm.js';
+import {
+	subscribeToRender,
+	defineView,
+	subscribeToRender,
+	defineElement as el
+} from '../utils/domvm.js';
 
+import { error } from '../services/console.js';
 import { ImageType } from '../data/image.js';
-import { pouchDocArrayHash, pouchDocHash } from '../utils/conversion.js';
+import { pouchDocArrayHash, pouchDocHash, hashSet, extractID } from '../utils/conversion.js';
 import { AlbumTemplate } from './components/albumTemplate.js';
 import { injectStyle, styled } from '../services/style.js';
 
@@ -17,7 +23,11 @@ export function uploadImages(evt, files) {
 
 export function AllImagesView(vm, params, key, opts) {
 	const model = prop({}, pouchDocHash);
-	const images = prop([], pouchDocArrayHash);
+	const images = container([], pouchDocArrayHash);
+	const visibleIds = computed(arr => arr.map(extractID), [images]);
+	const hoverId = prop(null);
+	const selectedIds = container(new Set(), hashSet);
+	const mode = computed(sIds => (sIds.size > 0 ? 'select' : 'view'), [selectedIds]);
 
 	ImageType.find(
 		{
@@ -26,7 +36,7 @@ export function AllImagesView(vm, params, key, opts) {
 		true
 	).then(la => {
 		opts.appbar.renderButtons(renderAppBarButtons);
-		subscribeToRender(vm, [images], [la.subscribe(images)]);
+		subscribeToRender(vm, [images], [la.subscribe(res => images.splice(0, images.length, ...res))]);
 	});
 
 	function renderAppBarButtons() {
@@ -43,27 +53,74 @@ export function AllImagesView(vm, params, key, opts) {
 			})
 		];
 	}
+	//
+	// function deleteImage(i) {
+	//     ImageType.delete(i._id);
+	// }
+	//
+	// function addAlbum() {
+	//     const albumName = prompt("Album Name");
+	//     if (albumName && albumName.trim()) {
+	//         const a = new AlbumType({
+	//             title: albumName.trim(),
+	//             count: 0
+	//         });
+	//         a.save();
+	//     }
+	// }
 
-	function deleteImage(i) {
+	function nodeParentWithType(node, type) {
-		ImageType.delete(i._id);
+		let parentNode = node;
+		while (parentNode && (!parentNode.data || parentNode.data.type !== type)) {
+			parentNode = parentNode.parent;
+		}
+		if (!parentNode) {
+			error(`Could not find {"type": "${type}"} parent.`);
+			return;
+		}
+		return parentNode;
 	}
 
-	function addAlbum() {
+	function toggleSelect(evt, node, vm) {
-		const albumName = prompt('Album Name');
+		const imageNode = nodeParentWithType(node, 'image');
-		if (albumName && albumName.trim()) {
+		const id = imageNode.data._id;
-			const a = new AlbumType({
+		if (selectedIds.has(id)) {
-				title: albumName.trim(),
+			selectedIds.delete(id);
-				count: 0
+		} else {
-			});
+			selectedIds.add(id);
-			a.save();
 		}
 	}
 
+	function toggleAll(evt, node, vm) {
+		if (images.length === selectedIds.size) {
+			selectedIds.clear();
+		} else {
+			images.map(extractID).forEach(i => selectedIds.add(i));
+		}
+	}
+
+	subscribeToRender(vm, [selectedIds, images, hoverId, mode]);
+
 	return function() {
-		return AlbumTemplate({
+		return el(
+			'.eventSnarfer',
+			{
+				onclick: {
+					'.photoSelect .icon svg path': toggleSelect,
+					'.photoSelect .icon': toggleSelect,
+					'.albumSelectButton .icon': toggleAll,
+					'.albumSelectButton .icon svg path': toggleAll
+				}
+			},
+			[
+				AlbumTemplate({
 					title: 'Test',
 					id: 1,
-			photos: images()
+					photos: images,
-		});
+					selectedIds,
+					mode: mode()
+				})
+			]
+		);
 	};
 }

packages/gallery/src/interface/components/albumPhotoTemplate.js

@@ -1,67 +1,78 @@
+import { prop } from 'frptools';
+
 import {
 	defineView as vw,
 	defineElement as el,
 	patchRefStyleMap,
-	patchNodeStyle
+	patchNodeStyle,
+	subscribeToRender
 } from '../../utils/domvm.js';
 import { injectStyle, styled } from '../../services/style.js';
-
+import { DEFAULT_TRANSITION, CSS_FULL_SIZE, IMAGE_MARGIN } from '../styles.js';
 import { Icon } from './icon.js';
 import { AttachmentImageView } from './attachmentImage.js';
 
-export function AlbumPhotoTemplate(doc, isSelected, selectMode) {
+const _imageHover = false;
+const dim = 'opacity: 0.7;';
+const off = 'opacity: 0;';
+const full = 'opacity: 1;';
+
+export function AlbumPhotoTemplate(vm, { doc }) {
 	const photoSelectButtonRef = `pSB${doc._id}`;
 	const photoBackgroundRef = `pBkd${doc._id}`;
+	const hover = prop(false);
+	const hoverSelectButton = prop(false);
 
+	subscribeToRender(vm, [hover, hoverSelectButton]);
+
+	return function render(vm, { isSelected, selectMode }) {
 		return photoContainer(
 			{
-			onmouseenter: [
+				class: 'photoContainer',
-				patchRefStyleMap,
+				onmouseenter: [hover, true],
-				{ [photoSelectButtonRef]: 'opacity: 0.7;', [photoBackgroundRef]: 'opacity: 0.7;' }
+				onmouseleave: [hover, false],
-			],
+				css: {
-			onmouseleave: [
+					cursor: selectMode ? 'pointer' : 'zoom-in'
-				patchRefStyleMap,
+				}
-				{ [photoSelectButtonRef]: 'opacity: 0;', [photoBackgroundRef]: 'opacity: 0;' }
-			]
 			},
 			[
-			vw(AttachmentImageView, doc, doc._hash()),
+				AttachmentImageView(doc, {
+					css: {
+						transform: isSelected ? 'translateZ(-50px)' : null
+					}
+				}),
 				photoSelectButton(
 					{
 						_ref: photoSelectButtonRef,
+						_data: doc,
+						class: 'photoSelect',
 						css: {
-						// backgroundColor: isSelected ? 'white' : 'transparent',
+							backgroundColor: isSelected ? 'white' : 'transparent',
-						// opacity: isSelected ? 1 : selectMode || _imageHover ? 0.7 : 0,
+							opacity: isSelected || hoverSelectButton() ? 1 : selectMode || hover() ? 0.7 : 0
 						},
-					onmouseenter: [patchNodeStyle, 'opacity: 1;'],
+						onmouseenter: [hoverSelectButton, true],
-					onmouseleave: [patchNodeStyle, 'opacity: 0.7;']
+						onmouseleave: [hoverSelectButton, false]
 					},
 					[
 						Icon({
-						name: 'check_circle',
+							name: selectMode && !isSelected ? 'circle_o' : 'check_circle',
 							size: 0.75,
-						fill: '#fff' // isSelected ? '#00C800' : '#fff'
+							fill: isSelected ? '#00C800' : '#fff'
 						})
 					]
 				),
 				photoBackdrop({
 					_ref: photoBackgroundRef,
 					css: {
-					// transform: isSelected ? 'translateZ(-50px)' : null,
+						transform: isSelected ? 'translateZ(-50px)' : null,
-					// opacity: selectMode || _imageHover ? 0.7 : 0,
+						opacity: selectMode || hover() ? 0.7 : 0
 					}
 				})
 			]
 		);
+	};
 }
 
-const IMAGE_MARGIN = 2;
-
-const CSS_FULL_SIZE = {
-	width: '100%',
-	height: '100%'
-};
-
 const photoContainer = styled({
 	position: 'relative',
 	perspective: '1000px',
@@ -70,21 +81,18 @@ const photoContainer = styled({
 	cursor: 'zoom-in'
 });
 
-const image = styled('img', CSS_FULL_SIZE, {
+const image = styled('img', CSS_FULL_SIZE, DEFAULT_TRANSITION, {
 	position: 'absolute',
 	top: 0,
-	left: 0,
+	left: 0
-	transition: 'transform .135s cubic-bezier(0.0,0.0,0.2,1)'
 });
 
-const photoSelectButton = styled({
+const photoSelectButton = styled(DEFAULT_TRANSITION, {
 	position: 'absolute',
 	top: '4%',
 	left: '4%',
 	zIndex: 2,
 	display: 'flex',
-	transition:
-		'transform .135s cubic-bezier(0.0,0.0,0.2,1), opacity .135s cubic-bezier(0.0,0.0,0.2,1)',
 	borderRadius: '50%',
 	padding: '2px',
 	backgroundColor: 'transparent',
@@ -92,11 +100,10 @@ const photoSelectButton = styled({
 	cursor: 'pointer'
 });
 
-const photoBackdrop = styled(CSS_FULL_SIZE, {
+const photoBackdrop = styled(CSS_FULL_SIZE, DEFAULT_TRANSITION, {
+	position: 'absolute', // Unnecessary but helps with a rendering bug in Chrome. https://gitlab.com/explorigin/gallery/issues/1
 	top: '0px',
 	left: '0px',
 	zIndex: 1,
-	transition:
-		'transform .135s cubic-bezier(0.0,0.0,0.2,1), opacity .135s cubic-bezier(0.0,0.0,0.2,1)',
 	backgroundImage: 'linear-gradient(to bottom,rgba(0,0,0,0.26),transparent 56px,transparent)'
 });

packages/gallery/src/interface/components/albumTemplate.js

@@ -5,13 +5,26 @@ import {
 	patchNodeStyle
 } from '../../utils/domvm.js';
 import { injectStyle, styled } from '../../services/style.js';
-
+import { DEFAULT_TRANSITION } from '../styles.js';
 import { Icon } from './icon.js';
 import { AlbumPhotoTemplate } from './albumPhotoTemplate.js';
 
 export function AlbumTemplate(params) {
-	const { id, title, photos } = params;
+	const { id, title, photos, selectedIds, mode } = params;
 	const albumSelectButtonRef = `albSel${id}`;
+	const selectMode = mode === 'select';
+
+	function photoMap(doc) {
+		return vw(
+			AlbumPhotoTemplate,
+			{
+				doc,
+				isSelected: selectedIds.has(doc._id),
+				selectMode
+			},
+			doc._hash()
+		);
+	}
 
 	return Album(
 		{
@@ -25,12 +38,16 @@ export function AlbumTemplate(params) {
 					{
 						_ref: albumSelectButtonRef,
 						onmouseenter: [patchNodeStyle, 'opacity: 1;'],
-						onmouseleave: [patchNodeStyle, 'opacity: 0.7;']
+						onmouseleave: [patchNodeStyle, 'opacity: 0.7;'],
+						css: {
+							opacity: selectMode ? 0.7 : 0
+						},
+						class: 'albumSelectButton'
 					},
 					[Icon({ name: 'check_circle', size: 0.25 })]
 				)
 			]),
-			albumContent(photos.map(AlbumPhotoTemplate))
+			albumContent(photos.map(photoMap))
 		]
 	);
 }
@@ -50,10 +67,8 @@ const albumContent = styled({
 	userSelect: 'none'
 });
 
-const albumSelectButton = styled({
+const albumSelectButton = styled(DEFAULT_TRANSITION, {
 	paddingLeft: '0.5em',
 	cursor: 'pointer',
-	opacity: 0, // TODO onhover 0.7
+	opacity: 0
-	transition:
-		'transform 0.135s cubic-bezier(0, 0, 0.2, 1), opacity 0.135s cubic-bezier(0, 0, 0.2, 1)'
 });

packages/gallery/src/interface/components/attachmentImage.js

@@ -4,55 +4,58 @@ import { defineElement as el } from '../../utils/domvm.js';
 import { ImageType } from '../../data/image.js';
 import { FileType } from '../../data/file.js';
 import { pouchDocHash } from '../../utils/conversion.js';
+import { styled } from '../../services/style.js';
+import { DEFAULT_TRANSITION } from '../styles.js';
 
-export function AttachmentImageView(vm, params) {
+const srcMap = new Map();
-	const model = prop(params, pouchDocHash);
-	const id = computed(pouchDocHash, [model]);
-	const sizes = computed(d => d.sizes, [model]); // always update
 
-	const blobURL = prop('');
+async function loadImageFromBlob(doc, evt, node, vm) {
-	const imageURL = computed((sizes, bURL) => bURL || sizes.thumbnail || sizes.full, [
+	const { sizes, _id } = doc;
-		sizes,
+	const options = ['thumbnail', 'preview', 'full'].filter(o => sizes.hasOwnProperty(o));
-		blobURL
-	]);
-
-	model.subscribe(() => {
-		if (blobURL()) {
-			URL.revokeObjectURL(blobURL());
-			blobURL('');
-		}
-	});
-
-	async function loadImageFromBlob() {
-		const options = ['thumbnail', 'preview', 'full'].filter(o => sizes().hasOwnProperty(o));
 
 	for (let attempt of options) {
 		try {
-				const data = await FileType.getFromURL(sizes()[attempt]);
+			const data = await FileType.getFromURL(sizes[attempt]);
-
+			let src = evt.target.src;
-				if (blobURL()) {
+			if (src.startsWith('blob:')) {
-					URL.revokeObjectURL(blobURL());
+				URL.revokeObjectURL(src);
 			}
-				blobURL(URL.createObjectURL(data));
+			src = URL.createObjectURL(data);
-				return;
+			node.patch({ src });
+			srcMap.set(_id, src);
+			// node.data = attempt;
+			break;
 		} catch (err) {
 			continue;
 		}
 	}
-	}
-
-	function cleanup() {
-		URL.revokeObjectURL(blobURL());
-	}
-
-	return function render() {
-		return el('img', {
-			src: imageURL,
-			onerror: loadImageFromBlob,
-			_key: id(),
-			_hooks: {
-				didRemove: cleanup
-			}
-		});
-	};
 }
+
+function cleanup(id, evt) {
+	const { src } = evt.target;
+	if (src.startsWith('blob:')) {
+		URL.revokeObjectURL(s);
+		srcMap.remove(id);
+	}
+}
+
+export function AttachmentImageView(doc, props) {
+	const { sizes, _id } = doc;
+	const src = srcMap.get(_id) || sizes.thumbnail || sizes.preview || sizes.full;
+
+	return image(
+		Object.assign(
+			{
+				src,
+				onerror: [loadImageFromBlob, doc],
+				_key: _id,
+				_hooks: {
+					didRemove: [cleanup, _id]
+				}
+			},
+			props || {}
+		)
+	);
+}
+
+const image = styled('img', DEFAULT_TRANSITION);

packages/gallery/src/interface/components/thumbnail.js

@@ -8,7 +8,7 @@ export function ThumbnailTemplate(doc, remove, key) {
 			{
 				onclick: { img: [remove, doc] }
 			},
-			[vw(AttachmentImageView, doc, key)]
+			[AttachmentImageView(doc)]
 		)
 	]);
 }

packages/gallery/src/interface/styles.js

@@ -0,0 +1,11 @@
+export const IMAGE_MARGIN = 2;
+
+export const CSS_FULL_SIZE = {
+	width: '100%',
+	height: '100%'
+};
+
+export const DEFAULT_TRANSITION = {
+	transition:
+		'transform 0.135s cubic-bezier(0, 0, 0.2, 1), opacity 0.135s cubic-bezier(0, 0, 0.2, 1)'
+};

packages/gallery/src/utils/comparators.js

@@ -16,6 +16,6 @@ export function isObject(obj) {
 	return typeof obj === 'object' && !Array.isArray(obj);
 }
 
-export function isString(str) {
+export function isString(obj) {
 	return typeof obj === 'string';
 }

packages/gallery/src/utils/conversion.js

@@ -49,3 +49,13 @@ export const pick = id => doc => doc[id];
 
 export const extractID = pick('_id');
 export const extractREV = pick('_rev');
+
+export function hashSet(_a) {
+	if (_a instanceof Set) {
+		return Array.from(_a.keys())
+			.sort()
+			.map(k => `${(typeof k).substr(0, 1)}:${encodeURIComponent(k)}/`)
+			.join('?');
+	}
+	return _a;
+}

packages/gallery/src/utils/domvm.js

@@ -1,8 +1,9 @@
 // export * from 'domvm/dist/dev/domvm.dev.js';
 export * from 'domvm/dist/mini/domvm.mini.js';
+import { deepAssign } from './conversion.js';
 
 export function subscribeToRender(vm, subscribables, subscriptions) {
-	const redraw = () => vm.redraw();
+	const redraw = (...args) => vm.redraw();
 	const subList = subscribables.map(s => s.subscribe(redraw)).concat(subscriptions);
 
 	vm.config({ hooks: { willUnmount: () => subList.forEach(s => s()) } });
@@ -12,10 +13,16 @@ export function patchRefStyle(ref, style, evt, node, vm) {
 	vm.refs[ref].patch({ style });
 }
 
-export function patchRefStyleMap(refStylemap, ...args) {
+export function patchRefStyleMap(refStyleMap, ...args) {
-	Object.entries(refStylemap).forEach(([r, s]) => patchRefStyle(r, s, ...args));
+	Object.entries(refStyleMap).forEach(([r, s]) => patchRefStyle(r, s, ...args));
 }
 
 export function patchNodeStyle(style, evt, node) {
 	node.patch({ style });
 }
+
+export function changeElementStateMap(refStateMap, evt, node, vm) {
+	Object.entries(refStateMap).forEach(([r, state]) => {
+		deepAssign(vm.refs[ref]._data, state);
+	});
+}