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.$refs.selectButton;
  21         this.formContainer = this.$refs.formContainer;
  22         this.dropzoneContainer = this.$refs.dropzoneContainer;
  23
  24         // Instance data
  25         this.type = 'gallery';
  26         this.lastSelected = {};
  27         this.lastSelectedTime = 0;
  28         this.callback = null;
  29         this.resetState = () => {
  30             this.hasData = false;
  31             this.page = 1;
  32             this.filter = 'all';
  33         };
  34         this.resetState();
  35
  36         this.setupListeners();
  37
  38         window.setTimeout(() => {
  39             this.show(() => {
  40             }, 'gallery');
  41         }, 500);
  42     }
  43
  44     setupListeners() {
  45         onSelect(this.filterTabs, e => {
  46             this.resetAll();
  47             this.filter = e.target.dataset.filter;
  48             this.setActiveFilterTab(this.filter);
  49             this.loadGallery();
  50         });
  51
  52         this.searchForm.addEventListener('submit', event => {
  53             this.resetListView();
  54             this.loadGallery();
  55             event.preventDefault();
  56         });
  57
  58         onSelect(this.cancelSearch, () => {
  59             this.resetListView();
  60             this.resetSearchView();
  61             this.loadGallery();
  62             this.cancelSearch.classList.remove('active');
  63         });
  64
  65         this.searchInput.addEventListener('input', () => {
  66             this.cancelSearch.classList.toggle('active', this.searchInput.value.trim());
  67         });
  68
  69         onChildEvent(this.listContainer, '.load-more', 'click', async event => {
  70             showLoading(event.target);
  71             this.page += 1;
  72             await this.loadGallery();
  73             event.target.remove();
  74         });
  75
  76         this.listContainer.addEventListener('event-emit-select-image', this.onImageSelectEvent.bind(this));
  77
  78         this.listContainer.addEventListener('error', event => {
  79             event.target.src = window.baseUrl('loading_error.png');
  80         }, true);
  81
  82         onSelect(this.selectButton, () => {
  83             if (this.callback) {
  84                 this.callback(this.lastSelected);
  85             }
  86             this.hide();
  87         });
  88
  89         onChildEvent(this.formContainer, '#image-manager-delete', 'click', () => {
  90             if (this.lastSelected) {
  91                 this.loadImageEditForm(this.lastSelected.id, true);
  92             }
  93         });
  94
  95         this.formContainer.addEventListener('ajax-form-success', this.refreshGallery.bind(this));
  96         this.container.addEventListener('dropzone-success', this.refreshGallery.bind(this));
  97     }
  98
  99     show(callback, type = 'gallery') {
 100         this.resetAll();
 101
 102         this.callback = callback;
 103         this.type = type;
 104         this.getPopup().show();
 105         this.dropzoneContainer.classList.toggle('hidden', type !== 'gallery');
 106
 107         if (!this.hasData) {
 108             this.loadGallery();
 109             this.hasData = true;
 110         }
 111     }
 112
 113     hide() {
 114         this.getPopup().hide();
 115     }
 116
 117     /**
 118      * @returns {Popup}
 119      */
 120     getPopup() {
 121         return window.$components.firstOnElement(this.popupEl, 'popup');
 122     }
 123
 124     async loadGallery() {
 125         const params = {
 126             page: this.page,
 127             search: this.searchInput.value || null,
 128             uploaded_to: this.uploadedTo,
 129             filter_type: this.filter === 'all' ? null : this.filter,
 130         };
 131
 132         const {data: html} = await window.$http.get(`images/${this.type}`, params);
 133         if (params.page === 1) {
 134             this.listContainer.innerHTML = '';
 135         }
 136         this.addReturnedHtmlElementsToList(html);
 137         removeLoading(this.listContainer);
 138     }
 139
 140     addReturnedHtmlElementsToList(html) {
 141         const el = document.createElement('div');
 142         el.innerHTML = html;
 143         window.$components.init(el);
 144         for (const child of [...el.children]) {
 145             this.listContainer.appendChild(child);
 146         }
 147     }
 148
 149     setActiveFilterTab(filterName) {
 150         for (const tab of this.filterTabs) {
 151             const selected = tab.dataset.filter === filterName;
 152             tab.setAttribute('aria-selected', selected ? 'true' : 'false');
 153         }
 154     }
 155
 156     resetAll() {
 157         this.resetState();
 158         this.resetListView();
 159         this.resetSearchView();
 160         this.resetEditForm();
 161         this.setActiveFilterTab('all');
 162         this.selectButton.classList.add('hidden');
 163     }
 164
 165     resetSearchView() {
 166         this.searchInput.value = '';
 167     }
 168
 169     resetEditForm() {
 170         this.formContainer.innerHTML = '';
 171     }
 172
 173     resetListView() {
 174         showLoading(this.listContainer);
 175         this.page = 1;
 176     }
 177
 178     refreshGallery() {
 179         this.resetListView();
 180         this.loadGallery();
 181     }
 182
 183     onImageSelectEvent(event) {
 184         const image = JSON.parse(event.detail.data);
 185         const isDblClick = ((image && image.id === this.lastSelected.id)
 186             && Date.now() - this.lastSelectedTime < 400);
 187         const alreadySelected = event.target.classList.contains('selected');
 188         [...this.listContainer.querySelectorAll('.selected')].forEach(el => {
 189             el.classList.remove('selected');
 190         });
 191
 192         if (!alreadySelected) {
 193             event.target.classList.add('selected');
 194             this.loadImageEditForm(image.id);
 195         } else {
 196             this.resetEditForm();
 197         }
 198         this.selectButton.classList.toggle('hidden', alreadySelected);
 199
 200         if (isDblClick && this.callback) {
 201             this.callback(image);
 202             this.hide();
 203         }
 204
 205         this.lastSelected = image;
 206         this.lastSelectedTime = Date.now();
 207     }
 208
 209     async loadImageEditForm(imageId, requestDelete = false) {
 210         if (!requestDelete) {
 211             this.formContainer.innerHTML = '';
 212         }
 213
 214         const params = requestDelete ? {delete: true} : {};
 215         const {data: formHtml} = await window.$http.get(`/images/edit/${imageId}`, params);
 216         this.formContainer.innerHTML = formHtml;
 217         window.$components.init(this.formContainer);
 218     }
 219
 220 }