mirror of
https://github.com/BookStackApp/BookStack.git
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297 lines
9.3 KiB
JavaScript
297 lines
9.3 KiB
JavaScript
import {
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onChildEvent, onSelect, removeLoading, showLoading,
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} from '../services/dom';
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import {Component} from './component';
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export class ImageManager extends Component {
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setup() {
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// Options
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this.uploadedTo = this.$opts.uploadedTo;
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// Element References
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this.container = this.$el;
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this.popupEl = this.$refs.popup;
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this.searchForm = this.$refs.searchForm;
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this.searchInput = this.$refs.searchInput;
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this.cancelSearch = this.$refs.cancelSearch;
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this.listContainer = this.$refs.listContainer;
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this.filterTabs = this.$manyRefs.filterTabs;
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this.selectButton = this.$refs.selectButton;
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this.uploadButton = this.$refs.uploadButton;
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this.uploadHint = this.$refs.uploadHint;
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this.formContainer = this.$refs.formContainer;
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this.formContainerPlaceholder = this.$refs.formContainerPlaceholder;
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this.dropzoneContainer = this.$refs.dropzoneContainer;
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this.loadMore = this.$refs.loadMore;
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// Instance data
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this.type = 'gallery';
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this.lastSelected = {};
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this.lastSelectedTime = 0;
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this.callback = null;
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this.resetState = () => {
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this.hasData = false;
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this.page = 1;
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this.filter = 'all';
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};
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this.resetState();
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this.setupListeners();
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}
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setupListeners() {
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// Filter tab click
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onSelect(this.filterTabs, e => {
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this.resetAll();
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this.filter = e.target.dataset.filter;
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this.setActiveFilterTab(this.filter);
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this.loadGallery();
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});
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// Search submit
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this.searchForm.addEventListener('submit', event => {
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this.resetListView();
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this.loadGallery();
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this.cancelSearch.toggleAttribute('hidden', !this.searchInput.value);
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event.preventDefault();
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});
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// Cancel search button
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onSelect(this.cancelSearch, () => {
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this.resetListView();
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this.resetSearchView();
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this.loadGallery();
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});
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// Load more button click
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onChildEvent(this.container, '.load-more button', 'click', this.runLoadMore.bind(this));
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// Select image event
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this.listContainer.addEventListener('event-emit-select-image', this.onImageSelectEvent.bind(this));
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// Image load error handling
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this.listContainer.addEventListener('error', event => {
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event.target.src = window.baseUrl('loading_error.png');
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}, true);
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// Footer select button click
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onSelect(this.selectButton, () => {
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if (this.callback) {
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this.callback(this.lastSelected);
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}
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this.hide();
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});
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// Delete button click
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onChildEvent(this.formContainer, '#image-manager-delete', 'click', () => {
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if (this.lastSelected) {
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this.loadImageEditForm(this.lastSelected.id, true);
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}
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});
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// Rebuild thumbs click
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onChildEvent(this.formContainer, '#image-manager-rebuild-thumbs', 'click', async (_, button) => {
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button.disabled = true;
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if (this.lastSelected) {
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await this.rebuildThumbnails(this.lastSelected.id);
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}
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button.disabled = false;
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});
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// Edit form submit
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this.formContainer.addEventListener('ajax-form-success', () => {
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this.refreshGallery();
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this.resetEditForm();
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});
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// Image upload success
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this.container.addEventListener('dropzone-upload-success', this.refreshGallery.bind(this));
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// Auto load-more on scroll
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const scrollZone = this.listContainer.parentElement;
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let scrollEvents = [];
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scrollZone.addEventListener('wheel', event => {
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const scrollOffset = Math.ceil(scrollZone.scrollHeight - scrollZone.scrollTop);
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const bottomedOut = scrollOffset === scrollZone.clientHeight;
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if (!bottomedOut || event.deltaY < 1) {
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return;
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}
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const secondAgo = Date.now() - 1000;
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scrollEvents.push(Date.now());
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scrollEvents = scrollEvents.filter(d => d >= secondAgo);
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if (scrollEvents.length > 5 && this.canLoadMore()) {
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this.runLoadMore();
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}
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});
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}
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show(callback, type = 'gallery') {
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this.resetAll();
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this.callback = callback;
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this.type = type;
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this.getPopup().show();
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const hideUploads = type !== 'gallery';
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this.dropzoneContainer.classList.toggle('hidden', hideUploads);
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this.uploadButton.classList.toggle('hidden', hideUploads);
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this.uploadHint.classList.toggle('hidden', hideUploads);
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/** @var {Dropzone} * */
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const dropzone = window.$components.firstOnElement(this.container, 'dropzone');
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dropzone.toggleActive(!hideUploads);
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if (!this.hasData) {
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this.loadGallery();
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this.hasData = true;
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}
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}
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hide() {
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this.getPopup().hide();
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}
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/**
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* @returns {Popup}
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*/
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getPopup() {
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return window.$components.firstOnElement(this.popupEl, 'popup');
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}
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async loadGallery() {
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const params = {
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page: this.page,
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search: this.searchInput.value || null,
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uploaded_to: this.uploadedTo,
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filter_type: this.filter === 'all' ? null : this.filter,
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};
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const {data: html} = await window.$http.get(`images/${this.type}`, params);
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if (params.page === 1) {
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this.listContainer.innerHTML = '';
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}
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this.addReturnedHtmlElementsToList(html);
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removeLoading(this.listContainer);
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}
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addReturnedHtmlElementsToList(html) {
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const el = document.createElement('div');
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el.innerHTML = html;
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const loadMore = el.querySelector('.load-more');
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if (loadMore) {
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loadMore.remove();
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this.loadMore.innerHTML = loadMore.innerHTML;
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}
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this.loadMore.toggleAttribute('hidden', !loadMore);
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window.$components.init(el);
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for (const child of [...el.children]) {
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this.listContainer.appendChild(child);
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}
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}
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setActiveFilterTab(filterName) {
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for (const tab of this.filterTabs) {
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const selected = tab.dataset.filter === filterName;
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tab.setAttribute('aria-selected', selected ? 'true' : 'false');
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}
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}
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resetAll() {
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this.resetState();
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this.resetListView();
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this.resetSearchView();
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this.resetEditForm();
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this.setActiveFilterTab('all');
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this.selectButton.classList.add('hidden');
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}
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resetSearchView() {
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this.searchInput.value = '';
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this.cancelSearch.toggleAttribute('hidden', true);
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}
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resetEditForm() {
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this.formContainer.innerHTML = '';
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this.formContainerPlaceholder.removeAttribute('hidden');
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}
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resetListView() {
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showLoading(this.listContainer);
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this.page = 1;
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}
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refreshGallery() {
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this.resetListView();
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this.loadGallery();
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}
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async onImageSelectEvent(event) {
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let image = JSON.parse(event.detail.data);
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const isDblClick = ((image && image.id === this.lastSelected.id)
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&& Date.now() - this.lastSelectedTime < 400);
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const alreadySelected = event.target.classList.contains('selected');
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[...this.listContainer.querySelectorAll('.selected')].forEach(el => {
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el.classList.remove('selected');
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});
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if (!alreadySelected && !isDblClick) {
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event.target.classList.add('selected');
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image = await this.loadImageEditForm(image.id);
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} else if (!isDblClick) {
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this.resetEditForm();
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} else if (isDblClick) {
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image = this.lastSelected;
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}
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this.selectButton.classList.toggle('hidden', alreadySelected);
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if (isDblClick && this.callback) {
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this.callback(image);
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this.hide();
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}
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this.lastSelected = image;
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this.lastSelectedTime = Date.now();
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}
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async loadImageEditForm(imageId, requestDelete = false) {
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if (!requestDelete) {
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this.formContainer.innerHTML = '';
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}
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const params = requestDelete ? {delete: true} : {};
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const {data: formHtml} = await window.$http.get(`/images/edit/${imageId}`, params);
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this.formContainer.innerHTML = formHtml;
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this.formContainerPlaceholder.setAttribute('hidden', '');
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window.$components.init(this.formContainer);
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const imageDataEl = this.formContainer.querySelector('#image-manager-form-image-data');
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return JSON.parse(imageDataEl.text);
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}
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runLoadMore() {
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showLoading(this.loadMore);
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this.page += 1;
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this.loadGallery();
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}
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canLoadMore() {
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return this.loadMore.querySelector('button') && !this.loadMore.hasAttribute('hidden');
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}
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async rebuildThumbnails(imageId) {
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try {
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const response = await window.$http.put(`/images/${imageId}/rebuild-thumbnails`);
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window.$events.success(response.data);
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this.refreshGallery();
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} catch (err) {
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window.$events.showResponseError(err);
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}
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}
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}
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