90 lines
2.3 KiB
JavaScript
90 lines
2.3 KiB
JavaScript
/* eslint-disable consistent-return */
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// Zen Mode (full screen) textarea
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//
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/*= provides zen_mode:enter */
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/*= provides zen_mode:leave */
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import Dropzone from 'dropzone';
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import $ from 'jquery';
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import Mousetrap from 'mousetrap';
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import 'mousetrap/plugins/pause/mousetrap-pause';
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import { scrollToElement } from '~/lib/utils/common_utils';
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Dropzone.autoDiscover = false;
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//
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// ### Events
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//
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// `zen_mode:enter`
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//
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// Fired when the "Edit in fullscreen" link is clicked.
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//
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// **Synchronicity** Sync
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// **Bubbles** Yes
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// **Cancelable** No
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// **Target** a.js-zen-enter
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//
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// `zen_mode:leave`
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//
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// Fired when the "Leave Fullscreen" link is clicked.
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//
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// **Synchronicity** Sync
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// **Bubbles** Yes
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// **Cancelable** No
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// **Target** a.js-zen-leave
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//
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export default class ZenMode {
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constructor() {
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this.active_backdrop = null;
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this.active_textarea = null;
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$(document).on('click', '.js-zen-enter', (e) => {
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e.preventDefault();
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return $(e.currentTarget).trigger('zen_mode:enter');
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});
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$(document).on('click', '.js-zen-leave', (e) => {
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e.preventDefault();
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return $(e.currentTarget).trigger('zen_mode:leave');
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});
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$(document).on('zen_mode:enter', (e) => {
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this.enter($(e.target).closest('.md-area').find('.zen-backdrop'));
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});
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$(document).on('zen_mode:leave', () => {
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this.exit();
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});
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$(document).on('keydown', (e) => {
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// Esc
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if (e.keyCode === 27) {
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e.preventDefault();
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return $(document).trigger('zen_mode:leave');
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}
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});
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}
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enter(backdrop) {
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Mousetrap.pause();
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this.active_backdrop = $(backdrop);
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this.active_backdrop.addClass('fullscreen');
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this.active_textarea = this.active_backdrop.find('textarea');
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// Prevent a user-resized textarea from persisting to fullscreen
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this.active_textarea.removeAttr('style');
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this.active_textarea.focus();
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}
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exit() {
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if (this.active_textarea) {
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Mousetrap.unpause();
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this.active_textarea.closest('.zen-backdrop').removeClass('fullscreen');
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scrollToElement(this.active_textarea, { duration: 0, offset: -100 });
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this.active_textarea = null;
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this.active_backdrop = null;
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const $dropzone = $('.div-dropzone');
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if ($dropzone && !$dropzone.hasClass('js-invalid-dropzone')) {
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Dropzone.forElement('.div-dropzone').enable();
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}
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}
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}
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}
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