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.formContainerPlaceholder = this.$refs.formContainerPlaceholder;
  23         this.dropzoneContainer = this.$refs.dropzoneContainer;
  24
  25         // Instance data
  26         this.type = 'gallery';
  27         this.lastSelected = {};
  28         this.lastSelectedTime = 0;
  29         this.callback = null;
  30         this.resetState = () => {
  31             this.hasData = false;
  32             this.page = 1;
  33             this.filter = 'all';
  34         };
  35         this.resetState();
  36
  37         this.setupListeners();
  38
  39         window.setTimeout(() => {
  40             this.show(() => {
  41             }, 'gallery');
  42         }, 500);
  43     }
  44
  45     setupListeners() {
  46         onSelect(this.filterTabs, e => {
  47             this.resetAll();
  48             this.filter = e.target.dataset.filter;
  49             this.setActiveFilterTab(this.filter);
  50             this.loadGallery();
  51         });
  52
  53         this.searchForm.addEventListener('submit', event => {
  54             this.resetListView();
  55             this.loadGallery();
  56             event.preventDefault();
  57         });
  58
  59         onSelect(this.cancelSearch, () => {
  60             this.resetListView();
  61             this.resetSearchView();
  62             this.loadGallery();
  63             this.cancelSearch.classList.remove('active');
  64         });
  65
  66         this.searchInput.addEventListener('input', () => {
  67             this.cancelSearch.classList.toggle('active', this.searchInput.value.trim());
  68         });
  69
  70         onChildEvent(this.listContainer, '.load-more', 'click', async event => {
  71             showLoading(event.target);
  72             this.page += 1;
  73             await this.loadGallery();
  74             event.target.remove();
  75         });
  76
  77         this.listContainer.addEventListener('event-emit-select-image', this.onImageSelectEvent.bind(this));
  78
  79         this.listContainer.addEventListener('error', event => {
  80             event.target.src = window.baseUrl('loading_error.png');
  81         }, true);
  82
  83         onSelect(this.selectButton, () => {
  84             if (this.callback) {
  85                 this.callback(this.lastSelected);
  86             }
  87             this.hide();
  88         });
  89
  90         onChildEvent(this.formContainer, '#image-manager-delete', 'click', () => {
  91             if (this.lastSelected) {
  92                 this.loadImageEditForm(this.lastSelected.id, true);
  93             }
  94         });
  95
  96         this.formContainer.addEventListener('ajax-form-success', () => {
  97             this.refreshGallery();
  98             this.resetEditForm();
  99         });
 100         this.container.addEventListener('dropzone-upload-success', this.refreshGallery.bind(this));
 101     }
 102
 103     show(callback, type = 'gallery') {
 104         this.resetAll();
 105
 106         this.callback = callback;
 107         this.type = type;
 108         this.getPopup().show();
 109         this.dropzoneContainer.classList.toggle('hidden', type !== 'gallery');
 110
 111         if (!this.hasData) {
 112             this.loadGallery();
 113             this.hasData = true;
 114         }
 115     }
 116
 117     hide() {
 118         this.getPopup().hide();
 119     }
 120
 121     /**
 122      * @returns {Popup}
 123      */
 124     getPopup() {
 125         return window.$components.firstOnElement(this.popupEl, 'popup');
 126     }
 127
 128     async loadGallery() {
 129         const params = {
 130             page: this.page,
 131             search: this.searchInput.value || null,
 132             uploaded_to: this.uploadedTo,
 133             filter_type: this.filter === 'all' ? null : this.filter,
 134         };
 135
 136         const {data: html} = await window.$http.get(`images/${this.type}`, params);
 137         if (params.page === 1) {
 138             this.listContainer.innerHTML = '';
 139         }
 140         this.addReturnedHtmlElementsToList(html);
 141         removeLoading(this.listContainer);
 142     }
 143
 144     addReturnedHtmlElementsToList(html) {
 145         const el = document.createElement('div');
 146         el.innerHTML = html;
 147         window.$components.init(el);
 148         for (const child of [...el.children]) {
 149             this.listContainer.appendChild(child);
 150         }
 151     }
 152
 153     setActiveFilterTab(filterName) {
 154         for (const tab of this.filterTabs) {
 155             const selected = tab.dataset.filter === filterName;
 156             tab.setAttribute('aria-selected', selected ? 'true' : 'false');
 157         }
 158     }
 159
 160     resetAll() {
 161         this.resetState();
 162         this.resetListView();
 163         this.resetSearchView();
 164         this.resetEditForm();
 165         this.setActiveFilterTab('all');
 166         this.selectButton.classList.add('hidden');
 167     }
 168
 169     resetSearchView() {
 170         this.searchInput.value = '';
 171     }
 172
 173     resetEditForm() {
 174         this.formContainer.innerHTML = '';
 175         this.formContainerPlaceholder.removeAttribute('hidden');
 176     }
 177
 178     resetListView() {
 179         showLoading(this.listContainer);
 180         this.page = 1;
 181     }
 182
 183     refreshGallery() {
 184         this.resetListView();
 185         this.loadGallery();
 186     }
 187
 188     onImageSelectEvent(event) {
 189         const image = JSON.parse(event.detail.data);
 190         const isDblClick = ((image && image.id === this.lastSelected.id)
 191             && Date.now() - this.lastSelectedTime < 400);
 192         const alreadySelected = event.target.classList.contains('selected');
 193         [...this.listContainer.querySelectorAll('.selected')].forEach(el => {
 194             el.classList.remove('selected');
 195         });
 196
 197         if (!alreadySelected) {
 198             event.target.classList.add('selected');
 199             this.loadImageEditForm(image.id);
 200         } else {
 201             this.resetEditForm();
 202         }
 203         this.selectButton.classList.toggle('hidden', alreadySelected);
 204
 205         if (isDblClick && this.callback) {
 206             this.callback(image);
 207             this.hide();
 208         }
 209
 210         this.lastSelected = image;
 211         this.lastSelectedTime = Date.now();
 212     }
 213
 214     async loadImageEditForm(imageId, requestDelete = false) {
 215         if (!requestDelete) {
 216             this.formContainer.innerHTML = '';
 217         }
 218
 219         const params = requestDelete ? {delete: true} : {};
 220         const {data: formHtml} = await window.$http.get(`/images/edit/${imageId}`, params);
 221         this.formContainer.innerHTML = formHtml;
 222         this.formContainerPlaceholder.setAttribute('hidden', '');
 223         window.$components.init(this.formContainer);
 224     }
 225
 226 }