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
  27         // Instance data
  28         this.type = 'gallery';
  29         this.lastSelected = {};
  30         this.lastSelectedTime = 0;
  31         this.callback = null;
  32         this.resetState = () => {
  33             this.hasData = false;
  34             this.page = 1;
  35             this.filter = 'all';
  36         };
  37         this.resetState();
  38
  39         this.setupListeners();
  40     }
  41
  42     setupListeners() {
  43         onSelect(this.filterTabs, e => {
  44             this.resetAll();
  45             this.filter = e.target.dataset.filter;
  46             this.setActiveFilterTab(this.filter);
  47             this.loadGallery();
  48         });
  49
  50         this.searchForm.addEventListener('submit', event => {
  51             this.resetListView();
  52             this.loadGallery();
  53             event.preventDefault();
  54         });
  55
  56         onSelect(this.cancelSearch, () => {
  57             this.resetListView();
  58             this.resetSearchView();
  59             this.loadGallery();
  60         });
  61
  62         onChildEvent(this.listContainer, '.load-more button', 'click', async event => {
  63             const wrapper = event.target.closest('.load-more');
  64             showLoading(wrapper);
  65             this.page += 1;
  66             await this.loadGallery();
  67             wrapper.remove();
  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         window.$components.init(el);
 149         for (const child of [...el.children]) {
 150             this.listContainer.appendChild(child);
 151         }
 152     }
 153
 154     setActiveFilterTab(filterName) {
 155         for (const tab of this.filterTabs) {
 156             const selected = tab.dataset.filter === filterName;
 157             tab.setAttribute('aria-selected', selected ? 'true' : 'false');
 158         }
 159     }
 160
 161     resetAll() {
 162         this.resetState();
 163         this.resetListView();
 164         this.resetSearchView();
 165         this.resetEditForm();
 166         this.setActiveFilterTab('all');
 167         this.selectButton.classList.add('hidden');
 168     }
 169
 170     resetSearchView() {
 171         this.searchInput.value = '';
 172     }
 173
 174     resetEditForm() {
 175         this.formContainer.innerHTML = '';
 176         this.formContainerPlaceholder.removeAttribute('hidden');
 177     }
 178
 179     resetListView() {
 180         showLoading(this.listContainer);
 181         this.page = 1;
 182     }
 183
 184     refreshGallery() {
 185         this.resetListView();
 186         this.loadGallery();
 187     }
 188
 189     onImageSelectEvent(event) {
 190         const image = JSON.parse(event.detail.data);
 191         const isDblClick = ((image && image.id === this.lastSelected.id)
 192             && Date.now() - this.lastSelectedTime < 400);
 193         const alreadySelected = event.target.classList.contains('selected');
 194         [...this.listContainer.querySelectorAll('.selected')].forEach(el => {
 195             el.classList.remove('selected');
 196         });
 197
 198         if (!alreadySelected) {
 199             event.target.classList.add('selected');
 200             this.loadImageEditForm(image.id);
 201         } else {
 202             this.resetEditForm();
 203         }
 204         this.selectButton.classList.toggle('hidden', alreadySelected);
 205
 206         if (isDblClick && this.callback) {
 207             this.callback(image);
 208             this.hide();
 209         }
 210
 211         this.lastSelected = image;
 212         this.lastSelectedTime = Date.now();
 213     }
 214
 215     async loadImageEditForm(imageId, requestDelete = false) {
 216         if (!requestDelete) {
 217             this.formContainer.innerHTML = '';
 218         }
 219
 220         const params = requestDelete ? {delete: true} : {};
 221         const {data: formHtml} = await window.$http.get(`/images/edit/${imageId}`, params);
 222         this.formContainer.innerHTML = formHtml;
 223         this.formContainerPlaceholder.setAttribute('hidden', '');
 224         window.$components.init(this.formContainer);
 225     }
 226
 227 }