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

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