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commentQuickCollapse.js
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commentQuickCollapse.js
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/* @flow */
import _ from 'lodash';
import { $ } from '../vendor';
import { Module } from '../core/module';
import {
click,
Thing,
addCSS,
} from '../utils';
import * as SelectedEntry from './selectedEntry';
export const module: Module<*> = new Module('commentQuickCollapse');
module.moduleName = 'commentQuickCollapseName';
module.category = 'commentsCategory';
module.description = 'commentQuickCollapseDesc';
module.options = {
hideCommentsOnHeaderDoubleClick: {
type: 'boolean',
value: true,
description: 'hideCommentsOnHeaderDoubleClickDesc',
title: 'hideCommentsOnHeaderDoubleClickTitle',
},
toggleCommentsOnClickLeftEdge: {
type: 'boolean',
value: false,
bodyClass: true,
description: 'toggleCommentsOnClickLeftEdgeDesc',
title: 'toggleCommentsOnClickLeftEdgeTitle',
},
leftEdgeColor: {
dependsOn: options => options.toggleCommentsOnClickLeftEdge.value,
type: 'color',
value: '#D1D1D1',
description: 'toggleCommentsLeftEdgeColorDesc',
title: 'toggleCommentsLeftEdgeColorTitle',
},
leftEdgeHoverColor: {
dependsOn: options => options.toggleCommentsOnClickLeftEdge.value,
type: 'color',
value: '#B1B1B1',
description: 'toggleCommentsLeftEdgeHoverColorDesc',
title: 'toggleCommentsLeftEdgeHoverColorTitle',
},
leftEdgeCollapsedColor: {
dependsOn: options => options.toggleCommentsOnClickLeftEdge.value,
type: 'color',
value: '#B1B1B1',
description: 'toggleCommentsLeftEdgeCollapsedColorDesc',
title: 'toggleCommentsLeftEdgeCollapsedColorTitle',
},
leftEdgeWidth: {
dependsOn: options => options.toggleCommentsOnClickLeftEdge.value,
type: 'text',
value: '50',
description: 'toggleCommentsLeftEdgeWidthDesc',
title: 'toggleCommentsLeftEdgeWidthTitle',
},
hideCollapseButton: {
dependsOn: options => options.toggleCommentsOnClickLeftEdge.value,
type: 'boolean',
value: false,
bodyClass: true,
description: 'toggleCommentsLeftEdgeHideButtonDesc',
title: 'toggleCommentsLeftEdgeHideButtonTitle',
},
scrollOnCollapse: {
type: 'boolean',
value: false,
description: 'scrollOnCollapseDesc',
title: 'scrollOnCollapseTitle',
},
};
module.include = [
'comments',
];
module.beforeLoad = () => {
if (module.options.toggleCommentsOnClickLeftEdge.value) {
toggleCommentsOnClickLeftEdge();
}
};
module.go = () => {
if (module.options.hideCommentsOnHeaderDoubleClick.value) {
hideCommentsOnHeaderDoubleClick();
}
if (module.options.scrollOnCollapse.value) {
scrollOnCollapse();
}
};
function hideCommentsOnHeaderDoubleClick() {
$('.commentarea').on('dblclick', '.tagline', (e: Event) => {
const toggleElement = Thing.checkedFrom(e.target).getCommentToggleElement();
if (!toggleElement) return;
toggleElement.click();
// since the browser will select the whole comment exchange
// on a double click, we manually deselect it
if (window.getSelection()) {
window.getSelection().removeAllRanges();
}
});
}
function toggleCommentsOnClickLeftEdge() {
const leftEdgeWidth = _.clamp(parseInt(module.options.leftEdgeWidth.value, 10), 0, parseInt((module.options.leftEdgeWidth: any).default, 10)) / 100;
addCSS(`
.commentarea .comment {
padding-left: ${2.5 * leftEdgeWidth}em !important;
}
.commentarea .comment > .entry > .tagline > .expand:hover {
background-color: ${module.options.leftEdgeHoverColor.value};
}
.commentarea .entry > .tagline > .expand {
width: ${2 * leftEdgeWidth}em !important;
background-color: ${module.options.leftEdgeColor.value};
}
.commentarea .collapsed > .entry > .tagline > .expand {
background-color: ${module.options.leftEdgeCollapsedColor.value};
}
`);
}
function scrollOnCollapse() {
$(document.body).on('click', '.expand', (event: MouseEvent) => {
// avoid scrolling on programmatic events (commentHidePersistor)
if (click.isProgrammaticEvent(event)) return;
const thing = Thing.checkedFrom(event.target);
// don't scroll on uncollapsed comments
if (thing.element.classList.contains('noncollapsed')) return;
const target = thing.getClosest(Thing.prototype.getNextSibling, { direction: 'down' });
if (!target) return;
SelectedEntry.select(target, { scrollStyle: 'adopt', from: thing.entry });
});
}