Backlog Lightbox

Backlogの画像にLightbox風のプレビューを追加する

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Backlog Lightbox
// @namespace    net.ghippos.backlog.lightbox
// @version      2
// @description  Backlogの画像にLightbox風のプレビューを追加する
// @author       mohemohe
// @match        https://*.backlog.jp/view/*
// @grant        none
// ==/UserScript==

const lightboxClass = 'preview-lightbox';

const style = `
.${lightboxClass} {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
}

.${lightboxClass} > img {
    width: auto;
    height: auto;
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
}

.ImageAttachmentBubble {
    display: none !important;
}
`;

(() => {
    document.body.insertAdjacentHTML('beforeend', `<style>${style}</style>`);

    window.addEventListener('click', (event) => {
        const target = event.target;
        const targetClass = target.attributes.class;

        if(targetClass !== undefined && (targetClass.value.indexOf('js_imageAttachment') === -1 && targetClass.value.indexOf(lightboxClass) === -1)) {
            return true;
        }

        if (targetClass.value == lightboxClass) {
            document.body.removeChild(document.querySelector(`.${lightboxClass}`));
        } else {
            document.body.insertAdjacentHTML('beforeend', `
<div class=${lightboxClass}>
    <img src=${target.href.replace('ViewAttachment','ViewAttachmentImage')}>
</div>
            `);
        }

        event.preventDefault();
        event.stopPropagation();
        return false;
    });
})();