From 279234a081e5ea772978732ae5d2e45d8adcd741 Mon Sep 17 00:00:00 2001
From: Zephyrrus <krisztian1997@gmail.com>
Date: Wed, 22 Jul 2020 02:14:06 +0300
Subject: feat: add new search input

For now, it clones the autocomplete from buefy, untill a PR or resolution to the opened issue about not being able to manipulate how the suggestions are applied is found
---
 src/site/components/search-input/SearchInput.vue | 516 +++++++++++++++++++++++
 src/site/components/search/Search.vue            | 119 ++++++
 src/site/pages/dashboard/index.vue               |  21 +-
 src/site/store/images.js                         |   1 +
 4 files changed, 646 insertions(+), 11 deletions(-)
 create mode 100644 src/site/components/search-input/SearchInput.vue
 create mode 100644 src/site/components/search/Search.vue

(limited to 'src')

diff --git a/src/site/components/search-input/SearchInput.vue b/src/site/components/search-input/SearchInput.vue
new file mode 100644
index 0000000..abc433a
--- /dev/null
+++ b/src/site/components/search-input/SearchInput.vue
@@ -0,0 +1,516 @@
+<template>
+	<div
+		class="autocomplete control"
+		:class="{'is-expanded': expanded}">
+		<b-input
+			ref="input"
+			v-model="newValue"
+			type="text"
+			:size="size"
+			:loading="loading"
+			:rounded="rounded"
+			:icon="icon"
+			:icon-right="newIconRight"
+			:icon-right-clickable="newIconRightClickable"
+			:icon-pack="iconPack"
+			:maxlength="maxlength"
+			:autocomplete="newAutocomplete"
+			:use-html5-validation="false"
+			v-bind="$attrs"
+			@input="onInput"
+			@focus="focused"
+			@blur="onBlur"
+			@keyup.native.esc.prevent="isActive = false"
+			@keydown.native.tab="tabPressed"
+			@keydown.native.enter.prevent="enterPressed"
+			@keydown.native.up.prevent="keyArrows('up')"
+			@keydown.native.down.prevent="keyArrows('down')"
+			@icon-right-click="rightIconClick"
+			@icon-click="(event) => $emit('icon-click', event)" />
+
+		<transition name="fade">
+			<div
+				v-show="isActive && (data.length > 0 || hasEmptySlot || hasHeaderSlot)"
+				ref="dropdown"
+				class="dropdown-menu"
+				:class="{ 'is-opened-top': isOpenedTop && !appendToBody }"
+				:style="style">
+				<div
+					v-show="isActive"
+					class="dropdown-content"
+					:style="contentStyle">
+					<div
+						v-if="hasHeaderSlot"
+						class="dropdown-item">
+						<slot name="header" />
+					</div>
+					<a
+						v-for="(option, index) in data"
+						:key="index"
+						class="dropdown-item"
+						:class="{ 'is-hovered': option === hovered }"
+						@click="setSelected(option, undefined, $event)">
+
+						<slot
+							v-if="hasDefaultSlot"
+							:option="option"
+							:index="index" />
+						<span v-else>
+							{{ getValue(option, true) }}
+						</span>
+					</a>
+					<div
+						v-if="data.length === 0 && hasEmptySlot"
+						class="dropdown-item is-disabled">
+						<slot name="empty" />
+					</div>
+					<div
+						v-if="hasFooterSlot"
+						class="dropdown-item">
+						<slot name="footer" />
+					</div>
+				</div>
+			</div>
+		</transition>
+	</div>
+</template>
+
+<script>
+/* eslint-disable no-underscore-dangle */
+/* eslint-disable vue/require-default-prop */
+/* eslint-disable vue/no-reserved-keys */
+import { getValueByPath, removeElement, createAbsoluteElement } from '../../../../node_modules/buefy/src/utils/helpers';
+import FormElementMixin from '../../../../node_modules/buefy/src/utils/FormElementMixin';
+
+export default {
+	name: 'SearchInput',
+	mixins: [FormElementMixin],
+	inheritAttrs: false,
+	props: {
+		value: [Number, String],
+		data: {
+			type: Array,
+			default: () => [],
+		},
+		field: {
+			type: String,
+			default: 'value',
+		},
+		keepFirst: Boolean,
+		clearOnSelect: Boolean,
+		openOnFocus: Boolean,
+		customFormatter: Function,
+		checkInfiniteScroll: Boolean,
+		keepOpen: Boolean,
+		clearable: Boolean,
+		maxHeight: [String, Number],
+		dropdownPosition: {
+			type: String,
+			default: 'auto',
+		},
+		iconRight: String,
+		iconRightClickable: Boolean,
+		appendToBody: Boolean,
+		customSelector: Function,
+	},
+	data() {
+		return {
+			selected: null,
+			hovered: null,
+			isActive: false,
+			newValue: this.value,
+			newAutocomplete: this.autocomplete || 'off',
+			isListInViewportVertically: true,
+			hasFocus: false,
+			style: {},
+			_isAutocomplete: true,
+			_elementRef: 'input',
+			_bodyEl: undefined, // Used to append to body
+		};
+	},
+	computed: {
+		/**
+         * White-listed items to not close when clicked.
+         * Add input, dropdown and all children.
+         */
+		whiteList() {
+			const whiteList = [];
+			whiteList.push(this.$refs.input.$el.querySelector('input'));
+			whiteList.push(this.$refs.dropdown);
+			// Add all chidren from dropdown
+			if (this.$refs.dropdown !== undefined) {
+				const children = this.$refs.dropdown.querySelectorAll('*');
+				for (const child of children) {
+					whiteList.push(child);
+				}
+			}
+			if (this.$parent.$data._isTaginput) {
+				// Add taginput container
+				whiteList.push(this.$parent.$el);
+				// Add .tag and .delete
+				const tagInputChildren = this.$parent.$el.querySelectorAll('*');
+				for (const tagInputChild of tagInputChildren) {
+					whiteList.push(tagInputChild);
+				}
+			}
+			return whiteList;
+		},
+		/**
+         * Check if exists default slot
+         */
+		hasDefaultSlot() {
+			return !!this.$scopedSlots.default;
+		},
+		/**
+         * Check if exists "empty" slot
+         */
+		hasEmptySlot() {
+			return !!this.$slots.empty;
+		},
+		/**
+         * Check if exists "header" slot
+         */
+		hasHeaderSlot() {
+			return !!this.$slots.header;
+		},
+		/**
+         * Check if exists "footer" slot
+         */
+		hasFooterSlot() {
+			return !!this.$slots.footer;
+		},
+		/**
+         * Apply dropdownPosition property
+         */
+		isOpenedTop() {
+			return this.dropdownPosition === 'top' || (this.dropdownPosition === 'auto' && !this.isListInViewportVertically);
+		},
+		newIconRight() {
+			if (this.clearable && this.newValue) {
+				return 'close-circle';
+			}
+			return this.iconRight;
+		},
+		newIconRightClickable() {
+			if (this.clearable) {
+				return true;
+			}
+			return this.iconRightClickable;
+		},
+		contentStyle() {
+			return {
+				// eslint-disable-next-line no-nested-ternary
+				maxHeight: this.maxHeight === undefined
+					// eslint-disable-next-line no-restricted-globals
+					? null : (isNaN(this.maxHeight) ? this.maxHeight : `${this.maxHeight}px`),
+			};
+		},
+	},
+	watch: {
+		/**
+         * When dropdown is toggled, check the visibility to know when
+         * to open upwards.
+         */
+		isActive(active) {
+			if (this.dropdownPosition === 'auto') {
+				if (active) {
+					this.calcDropdownInViewportVertical();
+				} else {
+					// Timeout to wait for the animation to finish before recalculating
+					setTimeout(() => {
+						this.calcDropdownInViewportVertical();
+					}, 100);
+				}
+			}
+			if (active) this.$nextTick(() => this.setHovered(null));
+		},
+		/**
+         * When updating input's value
+         *   1. Emit changes
+         *   2. If value isn't the same as selected, set null
+         *   3. Close dropdown if value is clear or else open it
+         */
+		newValue(value) {
+			this.$emit('input', value);
+			// Check if selected is invalid
+			const currentValue = this.getValue(this.selected);
+			if (currentValue && currentValue !== value) {
+				this.setSelected(null, false);
+			}
+			// Close dropdown if input is clear or else open it
+			if (this.hasFocus && (!this.openOnFocus || value)) {
+				this.isActive = !!value;
+			}
+		},
+		/**
+         * When v-model is changed:
+         *   1. Update internal value.
+         *   2. If it's invalid, validate again.
+         */
+		value(value) {
+			this.newValue = value;
+		},
+		/**
+         * Select first option if "keep-first
+         */
+		data(value) {
+			// Keep first option always pre-selected
+			if (this.keepFirst) {
+				this.selectFirstOption(value);
+			}
+		},
+	},
+	created() {
+		if (typeof window !== 'undefined') {
+			document.addEventListener('click', this.clickedOutside);
+			if (this.dropdownPosition === 'auto') window.addEventListener('resize', this.calcDropdownInViewportVertical);
+		}
+	},
+	mounted() {
+		if (this.checkInfiniteScroll && this.$refs.dropdown && this.$refs.dropdown.querySelector('.dropdown-content')) {
+			const list = this.$refs.dropdown.querySelector('.dropdown-content');
+			list.addEventListener('scroll', () => this.checkIfReachedTheEndOfScroll(list));
+		}
+		if (this.appendToBody) {
+			this.$data._bodyEl = createAbsoluteElement(this.$refs.dropdown);
+			this.updateAppendToBody();
+		}
+	},
+	beforeDestroy() {
+		if (typeof window !== 'undefined') {
+			document.removeEventListener('click', this.clickedOutside);
+			if (this.dropdownPosition === 'auto') window.removeEventListener('resize', this.calcDropdownInViewportVertical);
+		}
+		if (this.checkInfiniteScroll && this.$refs.dropdown && this.$refs.dropdown.querySelector('.dropdown-content')) {
+			const list = this.$refs.dropdown.querySelector('.dropdown-content');
+			list.removeEventListener('scroll', this.checkIfReachedTheEndOfScroll);
+		}
+		if (this.appendToBody) {
+			removeElement(this.$data._bodyEl);
+		}
+	},
+	methods: {
+		/**
+         * Set which option is currently hovered.
+         */
+		setHovered(option) {
+			if (option === undefined) return;
+			this.hovered = option;
+		},
+		/**
+         * Set which option is currently selected, update v-model,
+         * update input value and close dropdown.
+         */
+		setSelected(option, closeDropdown = true, event = undefined) {
+			if (option === undefined) return;
+			this.selected = option;
+			this.$emit('select', this.selected, event);
+			if (this.selected !== null) {
+				if (this.customSelector) {
+					this.newValue = this.clearOnSelect ? '' : this.customSelector(this.selected, this.newValue);
+				} else {
+					this.newValue = this.clearOnSelect ? '' : this.getValue(this.selected);
+				}
+				this.setHovered(null);
+			}
+			// eslint-disable-next-line no-unused-expressions
+			closeDropdown && this.$nextTick(() => { this.isActive = false; });
+			this.checkValidity();
+		},
+		/**
+         * Select first option
+         */
+		selectFirstOption(options) {
+			this.$nextTick(() => {
+				if (options.length) {
+					// If has visible data or open on focus, keep updating the hovered
+					if (this.openOnFocus || (this.newValue !== '' && this.hovered !== options[0])) {
+						this.setHovered(options[0]);
+					}
+				} else {
+					this.setHovered(null);
+				}
+			});
+		},
+		/**
+         * Enter key listener.
+         * Select the hovered option.
+         */
+		enterPressed(event) {
+			if (this.hovered === null) return;
+			this.setSelected(this.hovered, !this.keepOpen, event);
+		},
+		/**
+         * Tab key listener.
+         * Select hovered option if it exists, close dropdown, then allow
+         * native handling to move to next tabbable element.
+         */
+		tabPressed(event) {
+			if (this.hovered === null) {
+				this.isActive = false;
+				return;
+			}
+			this.setSelected(this.hovered, !this.keepOpen, event);
+		},
+		/**
+         * Close dropdown if clicked outside.
+         */
+		clickedOutside(event) {
+			if (this.whiteList.indexOf(event.target) < 0) this.isActive = false;
+		},
+		/**
+         * Return display text for the input.
+         * If object, get value from path, or else just the value.
+         */
+		getValue(option) {
+			if (option === null) return;
+			if (typeof this.customFormatter !== 'undefined') {
+				// eslint-disable-next-line consistent-return
+				return this.customFormatter(option);
+			}
+			// eslint-disable-next-line consistent-return
+			return typeof option === 'object'
+				? getValueByPath(option, this.field)
+				: option;
+		},
+		/**
+         * Check if the scroll list inside the dropdown
+         * reached it's end.
+         */
+		checkIfReachedTheEndOfScroll(list) {
+			if (list.clientHeight !== list.scrollHeight
+                && list.scrollTop + list.clientHeight >= list.scrollHeight) {
+				this.$emit('infinite-scroll');
+			}
+		},
+		/**
+         * Calculate if the dropdown is vertically visible when activated,
+         * otherwise it is openened upwards.
+         */
+		calcDropdownInViewportVertical() {
+			this.$nextTick(() => {
+				/**
+                * this.$refs.dropdown may be undefined
+                * when Autocomplete is conditional rendered
+                */
+				if (this.$refs.dropdown === undefined) return;
+				const rect = this.$refs.dropdown.getBoundingClientRect();
+				this.isListInViewportVertically = (
+					rect.top >= 0
+                    && rect.bottom <= (window.innerHeight
+                        || document.documentElement.clientHeight)
+				);
+				if (this.appendToBody) {
+					this.updateAppendToBody();
+				}
+			});
+		},
+		/**
+         * Arrows keys listener.
+         * If dropdown is active, set hovered option, or else just open.
+         */
+		keyArrows(direction) {
+			const sum = direction === 'down' ? 1 : -1;
+			if (this.isActive) {
+				let index = this.data.indexOf(this.hovered) + sum;
+				index = index > this.data.length - 1 ? this.data.length : index;
+				index = index < 0 ? 0 : index;
+				this.setHovered(this.data[index]);
+				const list = this.$refs.dropdown.querySelector('.dropdown-content');
+				const element = list.querySelectorAll('a.dropdown-item:not(.is-disabled)')[index];
+				if (!element) return;
+				const visMin = list.scrollTop;
+				const visMax = list.scrollTop + list.clientHeight - element.clientHeight;
+				if (element.offsetTop < visMin) {
+					list.scrollTop = element.offsetTop;
+				} else if (element.offsetTop >= visMax) {
+					list.scrollTop = (
+						element.offsetTop
+                        - list.clientHeight
+                        + element.clientHeight
+					);
+				}
+			} else {
+				this.isActive = true;
+			}
+		},
+		/**
+         * Focus listener.
+         * If value is the same as selected, select all text.
+         */
+		focused(event) {
+			if (this.getValue(this.selected) === this.newValue) {
+				this.$el.querySelector('input').select();
+			}
+			if (this.openOnFocus) {
+				this.isActive = true;
+				if (this.keepFirst) {
+					this.selectFirstOption(this.data);
+				}
+			}
+			this.hasFocus = true;
+			this.$emit('focus', event);
+		},
+		/**
+        * Blur listener.
+        */
+		onBlur(event) {
+			this.hasFocus = false;
+			this.$emit('blur', event);
+		},
+		onInput() {
+			const currentValue = this.getValue(this.selected);
+			if (currentValue && currentValue === this.newValue) return;
+			this.$emit('typing', this.newValue);
+			this.checkValidity();
+		},
+		rightIconClick(event) {
+			if (this.clearable) {
+				this.newValue = '';
+				if (this.openOnFocus) {
+					this.$el.focus();
+				}
+			} else {
+				this.$emit('icon-right-click', event);
+			}
+		},
+		checkValidity() {
+			if (this.useHtml5Validation) {
+				this.$nextTick(() => {
+					this.checkHtml5Validity();
+				});
+			}
+		},
+		updateAppendToBody() {
+			const dropdownMenu = this.$refs.dropdown;
+			const trigger = this.$refs.input.$el;
+			if (dropdownMenu && trigger) {
+				// update wrapper dropdown
+				const root = this.$data._bodyEl;
+				root.classList.forEach((item) => root.classList.remove(item));
+				root.classList.add('autocomplete');
+				root.classList.add('control');
+				if (this.expandend) {
+					root.classList.add('is-expandend');
+				}
+				const rect = trigger.getBoundingClientRect();
+				let top = rect.top + window.scrollY;
+				const left = rect.left + window.scrollX;
+				if (!this.isOpenedTop) {
+					top += trigger.clientHeight;
+				} else {
+					top -= dropdownMenu.clientHeight;
+				}
+				this.style = {
+					position: 'absolute',
+					top: `${top}px`,
+					left: `${left}px`,
+					width: `${trigger.clientWidth}px`,
+					maxWidth: `${trigger.clientWidth}px`,
+					zIndex: '99',
+				};
+			}
+		},
+	},
+};
+</script>
diff --git a/src/site/components/search/Search.vue b/src/site/components/search/Search.vue
new file mode 100644
index 0000000..57226a9
--- /dev/null
+++ b/src/site/components/search/Search.vue
@@ -0,0 +1,119 @@
+<template>
+	<div class="level-right">
+		<div class="level-item">
+			<b-field>
+				<SearchInput
+					ref="autocomplete"
+					v-model="query"
+					:data="filteredHints"
+					:customSelector="handleSelect"
+					field="name"
+					class="lolisafe-input search"
+					placeholder="Search"
+					type="search"
+					open-on-focus
+					@typing="handleTyping">
+					<template slot-scope="props">
+						<b>{{ props.option.name }}:</b>
+						<small>
+							{{ props.option.valueFormat }}
+						</small>
+					</template>
+				</SearchInput>
+				<p class="control">
+					<b-button type="is-lolisafe" @click="onSubmit">
+						Search
+					</b-button>
+				</p>
+			</b-field>
+		</div>
+	</div>
+</template>
+
+<script>
+import SearchInput from '~/components/search-input/SearchInput.vue';
+
+export default {
+	components: {
+		SearchInput,
+	},
+	data() {
+		return {
+			query: '',
+			hints: [
+				{
+					'name': 'tag',
+					'valueFormat': 'name',
+					'hint': '',
+				},
+				{
+					'name': 'album',
+					'valueFormat': 'name',
+					'hint': '',
+				},
+				{
+					'name': 'before',
+					'valueFormat': 'specific date',
+					'hint': '',
+				},
+				{
+					'name': 'during',
+					'valueFormat': 'specific date',
+					'hint': '',
+				},
+				{
+					'name': 'after',
+					'valueFormat': 'specific date',
+					'hint': '',
+				},
+			],
+			filteredHints: [],
+		};
+	},
+	created() {
+		this.filteredHints = this.hints; // fixes the issue where on pageload, suggestions wont load
+	},
+	methods: {
+		handleSelect(selected, currentValue) {
+			this.$refs.autocomplete.focus();
+			if (!currentValue) { return `${selected.name}:`; }
+			if (/[^:][\s|;|,]+$/gi.test(currentValue)) return `${currentValue}${selected.name}:`;
+			return currentValue.replace(/\w+$/gi, `${selected.name}:`);
+		},
+		handleTyping(qry) {
+			qry = qry || '';
+			// get the last word or group of words
+			const lastWord = (qry.match(/("[^"]*")|[^;, ]+/g) || ['']).pop().toLowerCase();
+			// if there's an open/unbalanced quote, don't autosuggest
+			if (/^[^"]*("[^"]*"[^"]*)*(")[^"]*$/.test(qry)) { this.filteredHints = []; return; }
+			// don't autosuggest if we have an open query but no text yet
+			if (/:[\s|;|,]?$/gi.test(qry)) { this.filteredHints = []; return; }
+			// if the above query didn't match (all quotes are balanced
+			// and the previous tag has value
+			// check if we're about to start a new tag
+			if (/[\s|;|,]+$/gi.test(qry)) { this.filteredHints = this.hints; return; }
+
+			// if we got here, then we handled all special cases
+			// now take last word, and check if we can autosuggest a tag
+			this.filteredHints = this.hints.filter((hint) => hint.name
+				.toString()
+				.toLowerCase()
+				.indexOf(lastWord) === 0);
+		},
+		sanitizeQuery(qry) {
+			// \w+:\s+? to transform 'tag: 123' into 'tag:123'
+		},
+		onSubmit() {
+			this.$emit('search', this.query);
+		},
+	},
+};
+</script>
+
+<style lang="scss" scoped>
+	.search {
+		::v-deep .dropdown-content {
+			background-color: #323846;
+		}
+	}
+</style>
diff --git a/src/site/pages/dashboard/index.vue b/src/site/pages/dashboard/index.vue
index d623b5c..cfd68ba 100644
--- a/src/site/pages/dashboard/index.vue
+++ b/src/site/pages/dashboard/index.vue
@@ -16,17 +16,7 @@
 						</div>
 						<div class="level-right">
 							<div class="level-item">
-								<b-field>
-									<b-input
-										class="lolisafe-input"
-										placeholder="Search"
-										type="search" />
-									<p class="control">
-										<b-button type="is-lolisafe">
-											Search
-										</b-button>
-									</p>
-								</b-field>
+								<Search @search="onSearch" />
 							</div>
 						</div>
 					</nav>
@@ -68,11 +58,13 @@ import { mapState, mapGetters, mapActions } from 'vuex';
 
 import Sidebar from '~/components/sidebar/Sidebar.vue';
 import Grid from '~/components/grid/Grid.vue';
+import Search from '~/components/search/Search.vue';
 
 export default {
 	components: {
 		Sidebar,
 		Grid,
+		Search,
 	},
 	middleware: ['auth', ({ store }) => {
 		store.commit('images/resetState');
@@ -82,6 +74,7 @@ export default {
 		return {
 			current: 1,
 			isLoading: false,
+			search: '',
 		};
 	},
 	computed: {
@@ -98,6 +91,9 @@ export default {
 	watch: {
 		current: 'fetchPaginate',
 	},
+	created() {
+		this.filteredHints = this.hints; // fixes the issue where on pageload, suggestions wont load
+	},
 	methods: {
 		...mapActions({
 			fetch: 'images/fetch',
@@ -107,6 +103,9 @@ export default {
 			await this.fetch(this.current);
 			this.isLoading = false;
 		},
+		onSearch(query) {
+			this.searc = query;
+		},
 	},
 };
 </script>
diff --git a/src/site/store/images.js b/src/site/store/images.js
index be04c8a..4737c26 100644
--- a/src/site/store/images.js
+++ b/src/site/store/images.js
@@ -8,6 +8,7 @@ export const getDefaultState = () => ({
 		limit: 30,
 		totalFiles: 0,
 	},
+	search: '',
 	albumName: null,
 	albumDownloadEnabled: false,
 	fileExtraInfoMap: {}, // information about the selected file
-- 
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