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