BookStack Code Mirror - bookstack/blob - resources/js/components/image-manager.js

   1 import {
   2     onChildEvent, onSelect, removeLoading, showLoading,
   3 } from '../services/dom';
   4 import {Component} from './component';
   5
   6 export class ImageManager extends Component {
   7
   8     setup() {
   9         // Options
  10         this.uploadedTo = this.$opts.uploadedTo;
  11
  12         // Element References
  13         this.container = this.$el;
  14         this.popupEl = this.$refs.popup;
  15         this.searchForm = this.$refs.searchForm;
  16         this.searchInput = this.$refs.searchInput;
  17         this.cancelSearch = this.$refs.cancelSearch;
  18         this.listContainer = this.$refs.listContainer;
  19         this.filterTabs = this.$manyRefs.filterTabs;
  20         this.selectButton = this.$refs.selectButton;
  21         this.uploadButton = this.$refs.uploadButton;
  22         this.uploadHint = this.$refs.uploadHint;
  23         this.formContainer = this.$refs.formContainer;
  24         this.formContainerPlaceholder = this.$refs.formContainerPlaceholder;
  25         this.dropzoneContainer = this.$refs.dropzoneContainer;
  26         this.loadMore = this.$refs.loadMore;
  27
  28         // Instance data
  29         this.type = 'gallery';
  30         this.lastSelected = {};
  31         this.lastSelectedTime = 0;
  32         this.callback = null;
  33         this.resetState = () => {
  34             this.hasData = false;
  35             this.page = 1;
  36             this.filter = 'all';
  37         };
  38         this.resetState();
  39
  40         this.setupListeners();
  41     }
  42
  43     setupListeners() {
  44         onSelect(this.filterTabs, e => {
  45             this.resetAll();
  46             this.filter = e.target.dataset.filter;
  47             this.setActiveFilterTab(this.filter);
  48             this.loadGallery();
  49         });
  50
  51         this.searchForm.addEventListener('submit', event => {
  52             this.resetListView();
  53             this.loadGallery();
  54             event.preventDefault();
  55         });
  56
  57         onSelect(this.cancelSearch, () => {
  58             this.resetListView();
  59             this.resetSearchView();
  60             this.loadGallery();
  61         });
  62
  63         onChildEvent(this.container, '.load-more button', 'click', async event => {
  64             const wrapper = event.target.closest('.load-more');
  65             showLoading(wrapper);
  66             this.page += 1;
  67             await this.loadGallery();
  68         });
  69
  70         this.listContainer.addEventListener('event-emit-select-image', this.onImageSelectEvent.bind(this));
  71
  72         this.listContainer.addEventListener('error', event => {
  73             event.target.src = window.baseUrl('loading_error.png');
  74         }, true);
  75
  76         onSelect(this.selectButton, () => {
  77             if (this.callback) {
  78                 this.callback(this.lastSelected);
  79             }
  80             this.hide();
  81         });
  82
  83         onChildEvent(this.formContainer, '#image-manager-delete', 'click', () => {
  84             if (this.lastSelected) {
  85                 this.loadImageEditForm(this.lastSelected.id, true);
  86             }
  87         });
  88
  89         this.formContainer.addEventListener('ajax-form-success', () => {
  90             this.refreshGallery();
  91             this.resetEditForm();
  92         });
  93         this.container.addEventListener('dropzone-upload-success', this.refreshGallery.bind(this));
  94     }
  95
  96     show(callback, type = 'gallery') {
  97         this.resetAll();
  98
  99         this.callback = callback;
 100         this.type = type;
 101         this.getPopup().show();
 102
 103         const hideUploads = type !== 'gallery';
 104         this.dropzoneContainer.classList.toggle('hidden', hideUploads);
 105         this.uploadButton.classList.toggle('hidden', hideUploads);
 106         this.uploadHint.classList.toggle('hidden', hideUploads);
 107
 108         /** @var {Dropzone} * */
 109         const dropzone = window.$components.firstOnElement(this.container, 'dropzone');
 110         dropzone.toggleActive(!hideUploads);
 111
 112         if (!this.hasData) {
 113             this.loadGallery();
 114             this.hasData = true;
 115         }
 116     }
 117
 118     hide() {
 119         this.getPopup().hide();
 120     }
 121
 122     /**
 123      * @returns {Popup}
 124      */
 125     getPopup() {
 126         return window.$components.firstOnElement(this.popupEl, 'popup');
 127     }
 128
 129     async loadGallery() {
 130         const params = {
 131             page: this.page,
 132             search: this.searchInput.value || null,
 133             uploaded_to: this.uploadedTo,
 134             filter_type: this.filter === 'all' ? null : this.filter,
 135         };
 136
 137         const {data: html} = await window.$http.get(`images/${this.type}`, params);
 138         if (params.page === 1) {
 139             this.listContainer.innerHTML = '';
 140         }
 141         this.addReturnedHtmlElementsToList(html);
 142         removeLoading(this.listContainer);
 143     }
 144
 145     addReturnedHtmlElementsToList(html) {
 146         const el = document.createElement('div');
 147         el.innerHTML = html;
 148
 149         const loadMore = el.querySelector('.load-more');
 150         if (loadMore) {
 151             loadMore.remove();
 152             this.loadMore.innerHTML = loadMore.innerHTML;
 153         }
 154         this.loadMore.toggleAttribute('hidden', !loadMore);
 155
 156         window.$components.init(el);
 157         for (const child of [...el.children]) {
 158             this.listContainer.appendChild(child);
 159         }
 160     }
 161
 162     setActiveFilterTab(filterName) {
 163         for (const tab of this.filterTabs) {
 164             const selected = tab.dataset.filter === filterName;
 165             tab.setAttribute('aria-selected', selected ? 'true' : 'false');
 166         }
 167     }
 168
 169     resetAll() {
 170         this.resetState();
 171         this.resetListView();
 172         this.resetSearchView();
 173         this.resetEditForm();
 174         this.setActiveFilterTab('all');
 175         this.selectButton.classList.add('hidden');
 176     }
 177
 178     resetSearchView() {
 179         this.searchInput.value = '';
 180     }
 181
 182     resetEditForm() {
 183         this.formContainer.innerHTML = '';
 184         this.formContainerPlaceholder.removeAttribute('hidden');
 185     }
 186
 187     resetListView() {
 188         showLoading(this.listContainer);
 189         this.page = 1;
 190     }
 191
 192     refreshGallery() {
 193         this.resetListView();
 194         this.loadGallery();
 195     }
 196
 197     onImageSelectEvent(event) {
 198         const image = JSON.parse(event.detail.data);
 199         const isDblClick = ((image && image.id === this.lastSelected.id)
 200             && Date.now() - this.lastSelectedTime < 400);
 201         const alreadySelected = event.target.classList.contains('selected');
 202         [...this.listContainer.querySelectorAll('.selected')].forEach(el => {
 203             el.classList.remove('selected');
 204         });
 205
 206         if (!alreadySelected) {
 207             event.target.classList.add('selected');
 208             this.loadImageEditForm(image.id);
 209         } else {
 210             this.resetEditForm();
 211         }
 212         this.selectButton.classList.toggle('hidden', alreadySelected);
 213
 214         if (isDblClick && this.callback) {
 215             this.callback(image);
 216             this.hide();
 217         }
 218
 219         this.lastSelected = image;
 220         this.lastSelectedTime = Date.now();
 221     }
 222
 223     async loadImageEditForm(imageId, requestDelete = false) {
 224         if (!requestDelete) {
 225             this.formContainer.innerHTML = '';
 226         }
 227
 228         const params = requestDelete ? {delete: true} : {};
 229         const {data: formHtml} = await window.$http.get(`/images/edit/${imageId}`, params);
 230         this.formContainer.innerHTML = formHtml;
 231         this.formContainerPlaceholder.setAttribute('hidden', '');
 232         window.$components.init(this.formContainer);
 233     }
 234
 235 }