mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-15 04:24:57 +01:00
648 lines
24 KiB
TypeScript
648 lines
24 KiB
TypeScript
/**
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* EGroupware eTemplate2 - JS object implementing expose view of media and a gallery view
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Hadi Nategh <hn[at]stylite.de>
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*/
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/*egw:uses
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/vendor/bower-asset/jquery/dist/jquery.js;
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/api/js/jquery/blueimp/js/blueimp-gallery.min.js;
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*/
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"use strict";
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import {et2_createWidget} from "./et2_core_widget";
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import {et2_dialog} from "./et2_widget_dialog";
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type Constructor<T = {}> = new (...args: any[]) => T;
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/**
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* This function extends the given widget with blueimp gallery plugin
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*
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* @param {type} widget
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* @returns {widget}
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*/
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function expose<TBase extends Constructor>(Base: TBase) {
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"use strict";
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// Minimum data to qualify as an image and not cause errors
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const IMAGE_DEFAULT = {
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title: egw.lang('loading'),
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href: '',
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type: 'image/png',
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thumbnail: '',
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loading: true
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};
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// For filtering to only show things we can handle
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const MIME_REGEX = (navigator.userAgent.match(/(MSIE|Trident)/)) ?
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// IE only supports video/mp4 mime type
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new RegExp(/(video\/mp4)|(image\/:*(?!tif|x-xcf|pdf))|(audio\/:*)/) :
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new RegExp(/(video\/(mp4|ogg|webm))|(image\/:*(?!tif|x-xcf|pdf))|(audio\/:*)/);
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const MIME_AUDIO_REGEX = new RegExp(/(audio\/:*)/);
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// open office document mime type currently supported by webodf editor
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const MIME_ODF_REGEX = new RegExp(/application\/vnd\.oasis\.opendocument\.text/);
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// Only one gallery
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var gallery = null;
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/**
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* See if the current widget is in a nextmatch, as this allows us to display
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* thumbnails underneath
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*
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* @param {et2_IExposable} widget
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* @returns {et2_nextmatch | null}
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*/
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var find_nextmatch = function (widget) {
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let current = widget;
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let nextmatch = null;
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while (nextmatch == null && current) {
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current = current.getParent();
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if (typeof current != 'undefined' && current.instanceOf(et2_nextmatch)) {
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nextmatch = current;
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}
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}
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// No nextmatch, or nextmatch not quite ready
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// At the moment only filemanger nm would work
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// as gallery, thus we disable other nestmatches
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// to build up gallery but filemanager
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if (nextmatch == null || nextmatch.controller == null || !nextmatch.dom_id.match(/filemanager/, 'ig')) return null;
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return nextmatch;
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};
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/**
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* Read images out of the data for the nextmatch
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*
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* @param {et2_nextmatch} nm
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* @param {Object[]} images
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* @param {number} start_at
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* @returns {undefined}
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*/
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var read_from_nextmatch = function (nm, images, start_at) {
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if (!start_at) start_at = 0;
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let image_index = start_at;
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let stop = Math.max.apply(null, Object.keys(nm.controller._indexMap));
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for (let i = start_at; i <= stop; i++) {
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if (!nm.controller._indexMap[i] || !nm.controller._indexMap[i].uid) {
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// Returning instead of using IMAGE_DEFAULT means we stop as
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// soon as a hole is found, instead of getting everything that is
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// available. The gallery can't fill in the holes.
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images[image_index++] = IMAGE_DEFAULT;
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continue;
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}
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let uid = nm.controller._indexMap[i].uid;
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if (!uid) continue;
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let data = egw.dataGetUIDdata(uid);
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if (data && data.data && data.data.mime && MIME_REGEX.test(data.data.mime) && !MIME_AUDIO_REGEX.test(data.data.mime)) {
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let media = this.getMedia(data.data);
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images[image_index++] = jQuery.extend({}, data.data, media[0]);
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}
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}
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};
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/**
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* Set a particular index/image in the gallery instead of just appending
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* it to the end
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*
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* @param {integer} index
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* @param {Object} image
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* @returns {undefined}
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*/
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var set_slide = function (index, image) {
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let active = (index == gallery.index);
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// Pad with blanks until length is right
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while (index > gallery.getNumber()) {
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gallery.add([jQuery.extend({}, IMAGE_DEFAULT)]);
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}
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// Don't bother with adding a default, we just did that
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if (image.loading) {
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//Add load class if it's really a slide with error
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if (gallery.slidesContainer.find('[data-index="' + index + '"]').hasClass(gallery.options.slideErrorClass))
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jQuery(gallery.slides[index])
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.addClass(gallery.options.slideLoadingClass)
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.removeClass(gallery.options.slideErrorClass);
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return;
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}
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// Remove the loading class if the slide is loaded
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else {
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jQuery(gallery.slides[index]).removeClass(gallery.options.slideLoadingClass);
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}
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// Just use add to let gallery create everything it needs
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let new_index = gallery.num;
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gallery.add([image]);
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// Move it to where we want it.
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// Gallery uses arrays and indexes and has several internal variables
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// that need to be updated.
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//
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// list
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gallery.list[index] = gallery.list[new_index];
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gallery.list.splice(new_index, 1);
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// indicators & slides
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let dom_nodes = ['indicators', 'slides'];
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for (let i in dom_nodes) {
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let var_name = dom_nodes[i];
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// Remove old one from DOM
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jQuery(gallery[var_name][index]).remove();
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// Move new one into it's place in gallery
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gallery[var_name][index] = gallery[var_name][new_index];
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// Move into place in DOM
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let node = jQuery(gallery[var_name][index]);
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node.attr('data-index', index)
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.insertAfter(jQuery("[data-index='" + (index - 1) + "']", node.parent()));
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if (active) node.addClass(gallery.options.activeIndicatorClass);
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gallery[var_name].splice(new_index, 1);
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}
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if (active) {
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gallery.activeIndicator = jQuery(gallery.indicators[index]);
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}
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// positions
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gallery.positions[index] = active ? 0 : (index > gallery.index ? gallery.slideWidth : -gallery.slideWidth);
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gallery.positions.splice(new_index, 1);
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// elements - removing will allow to re-do the slide
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if (gallery.elements[index]) {
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delete gallery.elements[index];
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gallery.loadElement(index);
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}
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// Remove the one we just added
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gallery.num -= 1;
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};
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return class exposable extends Base {
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private mime_regexp: RegExp;
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private mime_odf_regex: RegExp;
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private expose_options: {
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container: string; toggleControlsOnReturn: boolean; closeOnSwipeUpOrDown: boolean; clearSlides: boolean; onopen: any; emulateTouchEvents: boolean; onslideend: (index, slide) => void; rightEdgeClass: string; thumbnailWithImgTag: boolean; onslidecomplete: (index, slide) => void; continuous: boolean; startSlideshow: boolean; fullscreenClass: string; onslide: (index, slide) => void; playingClass: string; slideClass: string; urlProperty: string; closeOnEscape: boolean; singleClass: string; slideErrorClass: string; index: number; preloadRange: number; slideContentClass: string; onclosed: any; hidePageScrollbars: boolean; displayTransition: boolean; indicatorContainer: string; disableScroll: boolean; unloadElements: boolean; nextClass: string; stopTouchEventsPropagation: boolean; transitionSpeed: number; carousel: boolean; titleProperty: string; prevClass: string; typeProperty: string; enableKeyboardNavigation: boolean; slidesContainer: string; closeOnSlideClick: boolean; stretchImages: boolean; onclose: any; onopened: any; playPauseClass: string; thumbnailProperty: string; titleElement: string; slideLoadingClass: string; toggleSlideshowOnSpace: boolean; thumbnailIndicators: boolean; activeIndicatorClass: string; displayClass: string; closeClass: string; slideshowInterval: number; toggleClass: string; hideControlsOnSlideshow: boolean; controlsClass: string; toggleFullscreenOnSlideShow: boolean; leftEdgeClass: string; slideshowTransitionSpeed: undefined
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};
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constructor(...args: any[])
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{
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// Call the inherited constructor
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super(...args);
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this.mime_regexp = MIME_REGEX;
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this.mime_audio_regexp = MIME_AUDIO_REGEX;
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this.mime_odf_regex = MIME_ODF_REGEX;
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let self = this;
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this.expose_options = {
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// The Id, element or querySelector of the gallery widget:
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container: '#blueimp-gallery',
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// The tag name, Id, element or querySelector of the slides container:
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slidesContainer: 'div',
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// The tag name, Id, element or querySelector of the title element:
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titleElement: 'h3',
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// The class to add when the gallery is visible:
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displayClass: 'blueimp-gallery-display',
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// The class to add when the gallery controls are visible:
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controlsClass: 'blueimp-gallery-controls',
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// The class to add when the gallery only displays one element:
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singleClass: 'blueimp-gallery-single',
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// The class to add when the left edge has been reached:
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leftEdgeClass: 'blueimp-gallery-left',
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// The class to add when the right edge has been reached:
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rightEdgeClass: 'blueimp-gallery-right',
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// The class to add when the automatic slideshow is active:
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playingClass: 'blueimp-gallery-playing',
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// The class for all slides:
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slideClass: 'slide',
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// The slide class for loading elements:
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slideLoadingClass: '',
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// The slide class for elements that failed to load:
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slideErrorClass: 'slide-error',
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// The class for the content element loaded into each slide:
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slideContentClass: 'slide-content',
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// The class for the "toggle" control:
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toggleClass: 'toggle',
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// The class for the "prev" control:
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prevClass: 'prev',
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// The class for the "next" control:
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nextClass: 'next',
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// The class for the "close" control:
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closeClass: 'close',
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// The class for the "play-pause" toggle control:
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playPauseClass: 'play-pause',
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// The class to add for fullscreen button option
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fullscreenClass: 'fullscreen',
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// The list object property (or data attribute) with the object type:
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typeProperty: 'type',
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// The list object property (or data attribute) with the object title:
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titleProperty: 'title',
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// The list object property (or data attribute) with the object URL:
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urlProperty: 'href',
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// The gallery listens for transitionend events before triggering the
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// opened and closed events, unless the following option is set to false:
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displayTransition: true,
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// Defines if the gallery slides are cleared from the gallery modal,
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// or reused for the next gallery initialization:
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clearSlides: true,
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// Defines if images should be stretched to fill the available space,
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// while maintaining their aspect ratio (will only be enabled for browsers
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// supporting background-size="contain", which excludes IE < 9).
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// Set to "cover", to make images cover all available space (requires
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// support for background-size="cover", which excludes IE < 9):
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stretchImages: true,
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// Toggle the controls on pressing the Return key:
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toggleControlsOnReturn: true,
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// Toggle the automatic slideshow interval on pressing the Space key:
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toggleSlideshowOnSpace: true,
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// Navigate the gallery by pressing left and right on the keyboard:
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enableKeyboardNavigation: true,
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// Close the gallery on pressing the ESC key:
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closeOnEscape: true,
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// Close the gallery when clicking on an empty slide area:
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closeOnSlideClick: false,
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// Close the gallery by swiping up or down:
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closeOnSwipeUpOrDown: true,
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// Emulate touch events on mouse-pointer devices such as desktop browsers:
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emulateTouchEvents: true,
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// Stop touch events from bubbling up to ancestor elements of the Gallery:
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stopTouchEventsPropagation: false,
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// Hide the page scrollbars:
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hidePageScrollbars: true,
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// Stops any touches on the container from scrolling the page:
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disableScroll: true,
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// Carousel mode (shortcut for carousel specific options):
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carousel: true,
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// Allow continuous navigation, moving from last to first
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// and from first to last slide:
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continuous: false,
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// Remove elements outside of the preload range from the DOM:
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unloadElements: true,
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// Start with the automatic slideshow:
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startSlideshow: false,
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// Delay in milliseconds between slides for the automatic slideshow:
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slideshowInterval: 3000,
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// The starting index as integer.
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// Can also be an object of the given list,
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// or an equal object with the same url property:
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index: 0,
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// The number of elements to load around the current index:
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preloadRange: 2,
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// The transition speed between slide changes in milliseconds:
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transitionSpeed: 400,
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//Hide controls when the slideshow is playing
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hideControlsOnSlideshow: true,
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//Request fullscreen on slide show
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toggleFullscreenOnSlideShow: true,
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// The transition speed for automatic slide changes, set to an integer
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// greater 0 to override the default transition speed:
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slideshowTransitionSpeed: undefined,
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// The tag name, Id, element or querySelector of the indicator container:
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indicatorContainer: 'ol',
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// The class for the active indicator:
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activeIndicatorClass: 'active',
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// The list object property (or data attribute) with the thumbnail URL,
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// used as alternative to a thumbnail child element:
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thumbnailProperty: 'thumbnail',
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// Defines if the gallery indicators should display a thumbnail:
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thumbnailIndicators: true,
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//thumbnail with image tag
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thumbnailWithImgTag: true,
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// Callback function executed when the Gallery is initialized.
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// Is called with the gallery instance as "this" object:
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onopen: jQuery.proxy(this.expose_onopen, this),
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// Callback function executed when the Gallery has been initialized
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// and the initialization transition has been completed.
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// Is called with the gallery instance as "this" object:
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onopened: jQuery.proxy(this.expose_onopened, this),
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// Callback function executed on slide change.
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// Is called with the gallery instance as "this" object and the
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// current index and slide as arguments:
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onslide: function (index, slide) {
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// Call our onslide method, and include gallery as an attribute
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self.expose_onslide.apply(self, [this, index, slide]);
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},
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// Callback function executed after the slide change transition.
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// Is called with the gallery instance as "this" object and the
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// current index and slide as arguments:
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onslideend: function (index, slide) {
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// Call our onslide method, and include gallery as an attribute
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self.expose_onslideend.apply(self, [this, index, slide]);
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},
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//// Callback function executed on slide content load.
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// Is called with the gallery instance as "this" object and the
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// slide index and slide element as arguments:
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onslidecomplete: function (index, slide) {
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// Call our onslide method, and include gallery as an attribute
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self.expose_onslidecomplete.apply(self, [this, index, slide]);
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},
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//// Callback function executed when the Gallery is about to be closed.
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// Is called with the gallery instance as "this" object:
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onclose: jQuery.proxy(this.expose_onclose, this),
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// Callback function executed when the Gallery has been closed
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// and the closing transition has been completed.
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// Is called with the gallery instance as "this" object:
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onclosed: jQuery.proxy(this.expose_onclosed, this)
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};
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let $body = jQuery('body');
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if ($body.find('#blueimp-gallery').length == 0) {
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// Gallery Main DIV container
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let $expose_node = jQuery(document.createElement('div')).attr({
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id: "blueimp-gallery",
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class: "blueimp-gallery"
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});
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// Create Gallery DOM NODE
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$expose_node.append('<div class="slides"></div><h3 class="title"></h3><a class="prev">‹</a><a class="next">›</a><a title="' + egw().lang('Close') + '" class="close">×</a><a title="' + egw().lang('Play/Pause') + '" class="play-pause"></a><a title="' + egw().lang('Fullscreen') + '" class="fullscreen"></a><a title="' + egw().lang('Save') + '" class="download"></a><ol class="indicator"></ol>');
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// Append the gallery Node to DOM
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$body.append($expose_node);
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}
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}
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set_value(_value) {
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//todo: not sure if we need that with the new construction
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//if (typeof this._super == 'undefined') return;
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// @ts-ignore
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super.set_value(_value);
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// Do not run set value of expose if expose_view is not set
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// it causes a wired error on nested image widgets which
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// seems the expose is not its child widget
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// @ts-ignore
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if (!this.options.expose_view) {
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return;
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}
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let fe = egw_get_file_editor_prefered_mimes();
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let self = this;
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// If the media type is not supported do not bind the click handler
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if (!_value || typeof _value.mime != 'string' || (!_value.mime.match(MIME_REGEX, 'ig')
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&& (!fe || fe.mime && !fe.mime[_value.mime])) || typeof _value.download_url == 'undefined') {
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return;
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}
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// @ts-ignore
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if (typeof this.options.expose_view != 'undefined' && this.options.expose_view) {
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// @ts-ignore
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jQuery(this.node).on('click', function (event) {
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// Do not trigger expose view if one of the operator keys are held
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if (!event.altKey && !event.ctrlKey && !event.shiftKey && !event.metaKey) {
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if (_value.mime.match(MIME_REGEX, 'ig') && !_value.mime.match(MIME_AUDIO_REGEX,'ig')) {
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self._init_blueimp_gallery(event, _value);
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}
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else if (_value.mime.match(MIME_AUDIO_REGEX,'ig'))
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{
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self._audio_player(_value);
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}
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else if (fe && fe.mime && fe.edit && fe.mime[_value.mime]) {
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egw.open_link(egw.link('/index.php', {
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menuaction: fe.edit.menuaction,
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path: _value.path,
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cd: 'no' // needed to not reload framework in sharing
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}), '', fe.edit_popup);
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}
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}
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event.stopImmediatePropagation();
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}).addClass('et2_clickable');
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}
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}
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private _init_blueimp_gallery(event, _value) {
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let mediaContent = [];
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let nm = find_nextmatch(this);
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let current_index = 0;
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if (nm && !this._is_target_indepth(nm, event.target)) {
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// Get the row that was clicked, find its index in the list
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let current_entry = nm.controller.getRowByNode(event.target);
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// But before it goes, we'll pull everything we can
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read_from_nextmatch.call(this, nm, mediaContent);
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// find current_entry in array and set it's array-index
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for (let i = 0; i < mediaContent.length; i++) {
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if ('filemanager::' + mediaContent[i].path == current_entry.uid) {
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current_index = i;
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break;
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}
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}
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// This will trigger nm to refresh and get just the ones we can handle
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// but it might take a while, so do it later - make sure our current
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// one is loaded first.
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window.setTimeout(function () {
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nm.applyFilters({col_filter: {mime: '/' + MIME_REGEX.source + '/'}});
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}, 1);
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} else {
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// @ts-ignore
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mediaContent = this.getMedia(_value);
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// Do not show thumbnail indicator on single expose view
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this.expose_options.thumbnailIndicators = false;
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}
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this.expose_options.index = current_index;
|
||
// @ts-ignore
|
||
gallery = blueimp.Gallery(mediaContent, this.expose_options);
|
||
}
|
||
|
||
/**
|
||
* audio player expose
|
||
* @param _value
|
||
* @private
|
||
*/
|
||
private _audio_player(_value)
|
||
{
|
||
let button = [
|
||
{"button_id": 1, "text": egw.lang('close'), id: '1', image: 'cancel', default: true}
|
||
];
|
||
|
||
// @ts-ignore
|
||
let mediaContent = this.getMedia(_value)[0];
|
||
et2_createWidget("dialog",{
|
||
callback: function(_btn, value){
|
||
if (_btn == et2_dialog.OK_BUTTON)
|
||
{
|
||
|
||
}
|
||
},
|
||
beforeClose: function(){
|
||
|
||
},
|
||
title: mediaContent.title,
|
||
buttons: button,
|
||
minWidth: 350,
|
||
minHeight: 200,
|
||
modal: false,
|
||
position:"right bottom,right-50 bottom-10",
|
||
value: {
|
||
content: {
|
||
src:mediaContent.download_href
|
||
}
|
||
},
|
||
resizable: false,
|
||
template: egw.webserverUrl+'/api/templates/default/audio_player.xet',
|
||
dialogClass:"audio_player"
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Check if clicked target from nm is in depth
|
||
*
|
||
* @param nm nextmatch widget
|
||
* @param target selected target dom node
|
||
*
|
||
* @return {boolean} returns false if target is not in depth otherwise True
|
||
*/
|
||
private _is_target_indepth(nm, target?)
|
||
{
|
||
let res = false;
|
||
if (nm) {
|
||
if (!target) {
|
||
// @ts-ignore
|
||
let target = this.getDOMNode();
|
||
}
|
||
let entry = nm.controller.getRowByNode(target);
|
||
if (entry && entry.controller.getDepth() > 0) {
|
||
res = true;
|
||
}
|
||
}
|
||
return res;
|
||
}
|
||
|
||
expose_onopen(event) {}
|
||
|
||
expose_onopened()
|
||
{
|
||
// Check to see if we're in a nextmatch, do magic
|
||
let nm = find_nextmatch(this);
|
||
let self = this;
|
||
if (nm) {
|
||
// Add scrolling to the indicator list
|
||
let total_count = nm.controller._grid.getTotalCount();
|
||
if (total_count >= gallery.num) {
|
||
let $indicator = gallery.container.find('.indicator');
|
||
$indicator.off()
|
||
.addClass('paginating')
|
||
.swipe(function (event, direction, distance) {
|
||
// @ts-ignore
|
||
if (direction == jQuery.fn.swipe.directions.LEFT)
|
||
{
|
||
distance *= -1;
|
||
}
|
||
// @ts-ignore
|
||
else if (direction == jQuery.fn.swipe.directions.RIGHT)
|
||
{
|
||
// OK.
|
||
}
|
||
else
|
||
{
|
||
return;
|
||
}
|
||
jQuery(this).css('left', min(0, parseInt(jQuery(this).css('left')) - (distance * 30)) + 'px');
|
||
});
|
||
// Bind the mousewheel handler for FF (DOMMousewheel), and other browsers (mousewheel)
|
||
$indicator.bind('mousewheel DOMMousewheel', function (event, _delta) {
|
||
var delta = _delta || event.originalEvent.wheelDelta / 120;
|
||
if (delta > 0 && parseInt(jQuery(this).css('left')) > gallery.container.width() / 2) return;
|
||
|
||
//Reload next pictures into the gallery by scrolling on thumbnails
|
||
if (delta < 0 && jQuery(this).width() + parseInt(jQuery(this).css('left')) < gallery.container.width()) {
|
||
var nextIndex = gallery.indicatorContainer.find('[title="loading"]')[0];
|
||
if (nextIndex) self.expose_onslideend(gallery, nextIndex.dataset.index - 1);
|
||
return;
|
||
}
|
||
// Move it about 5 indicators
|
||
jQuery(this).css('left', parseInt(jQuery(this).css('left')) - (-delta * gallery.activeIndicator.width() * 5) + 'px');
|
||
|
||
event.preventDefault();
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Trigger on slide left/right
|
||
*/
|
||
expose_onslide(gallery, index, slide)
|
||
{
|
||
//todo
|
||
//if (typeof this._super == 'undefined') return;
|
||
// First let parent try
|
||
super.expose_onslide(gallery, index, slide);
|
||
let nm = find_nextmatch(this);
|
||
if (nm) {
|
||
// See if we need to move the indicator
|
||
let indicator = gallery.container.find('.indicator');
|
||
let current = jQuery('.active', indicator).position();
|
||
|
||
if (current) {
|
||
indicator.animate({left: (gallery.container.width() / 2) - current.left}, 10);
|
||
}
|
||
}
|
||
}
|
||
|
||
expose_onslideend(gallery, index)
|
||
{
|
||
// Check to see if we're in a nextmatch, do magic
|
||
let nm = find_nextmatch(this);
|
||
if (nm) {
|
||
// Check to see if we're near the end, or maybe some pagination
|
||
// would be good.
|
||
let total_count = nm.controller._grid.getTotalCount();
|
||
|
||
// Already at the end, don't bother
|
||
if (index == total_count - 1 || index == 0) return;
|
||
|
||
// Try to determine direction from state of next & previous slides
|
||
let direction = 1;
|
||
for (let i in gallery.elements) {
|
||
// Loading or error
|
||
if (gallery.elements[i] == 1 || gallery.elements[i] == 3 || gallery.list[i].loading) {
|
||
direction = i >= index ? 1 : -1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (!gallery.list[index + direction] || gallery.list[index + direction].loading ||
|
||
total_count > gallery.getNumber() && index + ET2_DATAVIEW_STEPSIZE > gallery.getNumber()) {
|
||
// This will get the next batch of rows
|
||
let start = Math.max(0, direction > 0 ? index : index - ET2_DATAVIEW_STEPSIZE);
|
||
let end = Math.min(total_count - 1, start + ET2_DATAVIEW_STEPSIZE);
|
||
nm.controller._gridCallback(start, end);
|
||
let images = [];
|
||
read_from_nextmatch.call(this, nm, images, start);
|
||
|
||
// Gallery always adds to the end, causing problems with pagination
|
||
for (let i in images) {
|
||
//if(i == index || i < gallery.num) continue;
|
||
set_slide(i, images[i]);
|
||
//gallery.add([images[i]]);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
expose_onslidecomplete() {}
|
||
|
||
expose_onclose()
|
||
{
|
||
// Check to see if we're in a nextmatch, remove magic
|
||
let nm = find_nextmatch(this);
|
||
if (nm && !this._is_target_indepth(nm))
|
||
{
|
||
// Remove scrolling from thumbnails
|
||
gallery.container.find('.indicator')
|
||
.removeClass('paginating')
|
||
.off('mousewheel')
|
||
.off('swipe');
|
||
|
||
// Remove applied mime filter
|
||
nm.applyFilters({col_filter: {mime: ''}});
|
||
}
|
||
}
|
||
|
||
expose_onclosed() {}
|
||
}
|
||
}
|
||
|