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         this.addReturnedHtmlElementsToList(html);
 126         removeLoading(this.listContainer);
 127     }
 128
 129     addReturnedHtmlElementsToList(html) {
 130         const el = document.createElement('div');
 131         el.innerHTML = html;
 132         window.components.init(el);
 133         for (const child of [...el.children]) {
 134             this.listContainer.appendChild(child);
 135         }
 136     }
 137
 138     setActiveFilterTab(filterName) {
 139         this.filterTabs.forEach(t => t.classList.remove('selected'));
 140         const activeTab = this.filterTabs.find(t => t.dataset.filter === filterName);
 141         if (activeTab) {
 142             activeTab.classList.add('selected');
 143         }
 144     }
 145
 146     resetAll() {
 147         this.resetState();
 148         this.resetListView();
 149         this.resetSearchView();
 150         this.resetEditForm();
 151         this.setActiveFilterTab('all');
 152         this.selectButton.classList.add('hidden');
 153     }
 154
 155     resetSearchView() {
 156         this.searchInput.value = '';
 157     }
 158
 159     resetEditForm() {
 160         this.formContainer.innerHTML = '';
 161     }
 162
 163     resetListView() {
 164         showLoading(this.listContainer);
 165         this.page = 1;
 166     }
 167
 168     refreshGallery() {
 169         this.resetListView();
 170         this.loadGallery();
 171     }
 172
 173     onImageSelectEvent(event) {
 174         const image = JSON.parse(event.detail.data);
 175         const isDblClick = ((image && image.id === this.lastSelected.id)
 176             && Date.now() - this.lastSelectedTime < 400);
 177         const alreadySelected = event.target.classList.contains('selected');
 178         [...this.listContainer.querySelectorAll('.selected')].forEach(el => {
 179             el.classList.remove('selected');
 180         });
 181
 182         if (!alreadySelected) {
 183             event.target.classList.add('selected');
 184             this.loadImageEditForm(image.id);
 185         } else {
 186             this.resetEditForm();
 187         }
 188         this.selectButton.classList.toggle('hidden', alreadySelected);
 189
 190         if (isDblClick && this.callback) {
 191             this.callback(image);
 192             this.hide();
 193         }
 194
 195         this.lastSelected = image;
 196         this.lastSelectedTime = Date.now();
 197     }
 198
 199     async loadImageEditForm(imageId, requestDelete = false) {
 200         if (!requestDelete) {
 201             this.formContainer.innerHTML = '';
 202         }
 203
 204         const params = requestDelete ? {delete: true} : {};
 205         const {data: formHtml} = await window.$http.get(`/images/edit/${imageId}`, params);
 206         this.formContainer.innerHTML = formHtml;
 207         window.components.init(this.formContainer);
 208     }
 209
 210 }
 211
 212 export default ImageManager;