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

   1 import {onChildEvent, onSelect, removeLoading, showLoading} from "../services/dom";
   2
   3 /**
   4  * ImageManager
   5  * @extends {Component}
   6  */
   7 class ImageManager {
   8
   9     setup() {
  10
  11         // Options
  12         this.uploadedTo = this.$opts.uploadedTo;
  13
  14         // Element References
  15         this.container = this.$el;
  16         this.popupEl = this.$refs.popup;
  17         this.searchForm = this.$refs.searchForm;
  18         this.searchInput = this.$refs.searchInput;
  19         this.cancelSearch = this.$refs.cancelSearch;
  20         this.listContainer = this.$refs.listContainer;
  21         this.filterTabs = this.$manyRefs.filterTabs;
  22         this.selectButton = this.$refs.selectButton;
  23         this.formContainer = this.$refs.formContainer;
  24         this.dropzoneContainer = this.$refs.dropzoneContainer;
  25
  26         // Instance data
  27         this.type = 'gallery';
  28         this.lastSelected = {};
  29         this.lastSelectedTime = 0;
  30         this.callback = null;
  31         this.resetState = () => {
  32             this.hasData = false;
  33             this.page = 1;
  34             this.filter = 'all';
  35         };
  36         this.resetState();
  37
  38         this.setupListeners();
  39
  40         window.ImageManager = this;
  41     }
  42
  43     setupListeners() {
  44         onSelect(this.filterTabs, e => {
  45             this.resetAll();
  46             this.filter = e.target.dataset.filter;
  47             this.setActiveFilterTab(this.filter);
  48             this.loadGallery();
  49         });
  50
  51         this.searchForm.addEventListener('submit', event => {
  52             this.resetListView();
  53             this.loadGallery();
  54             event.preventDefault();
  55         });
  56
  57         onSelect(this.cancelSearch, event => {
  58             this.resetListView();
  59             this.resetSearchView();
  60             this.loadGallery();
  61             this.cancelSearch.classList.remove('active');
  62         });
  63
  64         this.searchInput.addEventListener('input', event => {
  65             this.cancelSearch.classList.toggle('active', this.searchInput.value.trim());
  66         });
  67
  68         onChildEvent(this.listContainer, '.load-more', 'click', async event => {
  69             showLoading(event.target);
  70             this.page++;
  71             await this.loadGallery();
  72             event.target.remove();
  73         });
  74
  75         this.listContainer.addEventListener('event-emit-select-image', this.onImageSelectEvent.bind(this));
  76
  77         this.listContainer.addEventListener('error', event => {
  78             event.target.src = baseUrl('loading_error.png');
  79         }, true);
  80
  81         onSelect(this.selectButton, () => {
  82             if (this.callback) {
  83                 this.callback(this.lastSelected);
  84             }
  85             this.hide();
  86         });
  87
  88         onChildEvent(this.formContainer, '#image-manager-delete', 'click', event => {
  89             if (this.lastSelected) {
  90                 this.loadImageEditForm(this.lastSelected.id, true);
  91             }
  92         });
  93
  94         this.formContainer.addEventListener('ajax-form-success', this.refreshGallery.bind(this));
  95         this.container.addEventListener('dropzone-success', this.refreshGallery.bind(this));
  96     }
  97
  98     show(callback, type = 'gallery') {
  99         this.resetAll();
 100
 101         this.callback = callback;
 102         this.type = type;
 103         this.popupEl.components.popup.show();
 104         this.dropzoneContainer.classList.toggle('hidden', type !== 'gallery');
 105
 106         if (!this.hasData) {
 107             this.loadGallery();
 108             this.hasData = true;
 109         }
 110     }
 111
 112     hide() {
 113         this.popupEl.components.popup.hide();
 114     }
 115
 116     async loadGallery() {
 117         const params = {
 118             page: this.page,
 119             search: this.searchInput.value || null,
 120             uploaded_to: this.uploadedTo,
 121             filter_type: this.filter === 'all' ? null : this.filter,
 122         };
 123
 124         const {data: html} = await window.$http.get(`images/${this.type}`, params);
 125         if (params.page === 1) {
 126             this.listContainer.innerHTML = '';
 127         }
 128         this.addReturnedHtmlElementsToList(html);
 129         removeLoading(this.listContainer);
 130     }
 131
 132     addReturnedHtmlElementsToList(html) {
 133         const el = document.createElement('div');
 134         el.innerHTML = html;
 135         window.$components.init(el);
 136         for (const child of [...el.children]) {
 137             this.listContainer.appendChild(child);
 138         }
 139     }
 140
 141     setActiveFilterTab(filterName) {
 142         this.filterTabs.forEach(t => t.classList.remove('selected'));
 143         const activeTab = this.filterTabs.find(t => t.dataset.filter === filterName);
 144         if (activeTab) {
 145             activeTab.classList.add('selected');
 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 }
 214
 215 export default ImageManager;