Adds buttons to copy a link to the current page directly into clipboard. Two buttons are supported: Markdown and Jira syntax. Both buttons support HTML for rich text editors.
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// ==UserScript==
// @name Confluence: copy link buttons
// @namespace https://github.com/rybak
// @version 3
// @description Adds buttons to copy a link to the current page directly into clipboard. Two buttons are supported: Markdown and Jira syntax. Both buttons support HTML for rich text editors.
// @author Andrei Rybak
// @homepageURL https://github.com/rybak/atlassian-tweaks
// @include https://confluence*
// @match https://confluence.example.com
// @icon https://seeklogo.com/images/C/confluence-logo-D9B07137C2-seeklogo.com.png
// @grant none
// ==/UserScript==
/*
* Copyright (c) 2023 Andrei Rybak
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
(function() {
'use strict';
const LOG_PREFIX = '[Confluence copy link buttons]:';
function log(...toLog) {
console.log(LOG_PREFIX, ...toLog);
}
function error(...toLog) {
console.error(LOG_PREFIX, ...toLog);
}
function cloudCopyIcon() {
// icon similar to the achnor "Copy link" under the button "Share"
return '<svg width="24" height="24" viewBox="0 0 24 24" role="presentation"><path d="M12.654 8.764a.858.858 0 01-1.213-1.213l1.214-1.214a3.717 3.717 0 015.257 0 3.714 3.714 0 01.001 5.258l-1.214 1.214-.804.804a3.72 3.72 0 01-5.263.005.858.858 0 011.214-1.214c.781.782 2.05.78 2.836-.005l.804-.803 1.214-1.214a1.998 1.998 0 00-.001-2.831 2 2 0 00-2.83 0l-1.215 1.213zm-.808 6.472a.858.858 0 011.213 1.213l-1.214 1.214a3.717 3.717 0 01-5.257 0 3.714 3.714 0 01-.001-5.258l1.214-1.214.804-.804a3.72 3.72 0 015.263-.005.858.858 0 01-1.214 1.214 2.005 2.005 0 00-2.836.005l-.804.803L7.8 13.618a1.998 1.998 0 00.001 2.831 2 2 0 002.83 0l1.215-1.213z" fill="currentColor"></path></svg>';
}
/*
* Calls one of the parameters, based on the version of Confluence running.
* This is needed to account for the differences in HTML and CSS.
*
* Tested on versions:
* - Confluence Server 7.13.*
* - Confluence Server 7.19.*
* - Confluence Cloud 1000.0.0-22300355ddad (a free version on https://atlassian.net as of 2023-06-19)
*/
function onVersion(selfHostedFn, cloudFn) {
if (document.querySelector('meta[name=ajs-cloud-id]')) {
// It would seem that all Cloud instances of Confluece have this <meta> tag.
return cloudFn();
}
/*
* Try to parse version number hidden in the <meta> tags.
* Assume Confluence Cloud, if can't parse.
*/
const maybeVersionElem = document.querySelector('meta[name=ajs-version-number]');
if (maybeVersionElem) {
const majorVersion = parseInt(maybeVersionElem.content);
if (isNaN(majorVersion)) {
log("Couldn't parse major version", e);
return cloudFn();
}
if (majorVersion >= 1000) {
return cloudFn();
} else {
return selfHostedFn();
}
} else {
log("Couldn't find meta tag with version");
return cloudFn();
}
}
function addLinkToClipboard(event, plainText, html) {
event.stopPropagation();
event.preventDefault();
let clipboardData = event.clipboardData || window.clipboardData;
clipboardData.setData('text/plain', plainText);
clipboardData.setData('text/html', html);
}
function copyClickAction(event, plainTextFn) {
event.preventDefault();
try {
let pageTitle = null;
try {
pageTitle = document.querySelector('meta[name="ajs-page-title"]').content;
} catch (ignored) {
}
if (!pageTitle) {
try {
// `AJS` is defined in Confluence's own JS
pageTitle = AJS.Data.get('page-title');
} catch (e) {
error('Could not get the page title. Aborting.', e);
return;
}
}
const url = document.location.href;
/*
* Using both plain text and HTML ("rich text") means that the copied links
* can be inserted both in plain text inputs (Jira syntax – for Jira, Markdown
* syntax – for Bitbucket, GitHub, etc) and in rich text inputs, such as
* Microsoft Word, Slack, etc.
*/
const plainText = plainTextFn(url, pageTitle);
const html = htmlSyntaxLink(url, pageTitle);
const handleCopyEvent = e => {
addLinkToClipboard(e, plainText, html);
};
document.addEventListener('copy', handleCopyEvent);
document.execCommand('copy');
document.removeEventListener('copy', handleCopyEvent);
} catch (e) {
error('Could not do the copying', e);
}
}
// adapted from https://stackoverflow.com/a/35385518/1083697 by Mark Amery
function htmlToElement(html) {
const template = document.createElement('template');
template.innerHTML = html.trim();
return template.content.firstChild;
}
function selfHostedButtonHtml(text, title) {
const icon = '<span class="aui-icon aui-icon-small aui-iconfont-copy"></span>';
return `<a href="#" class="aui-button aui-button-subtle" title="${title}"><span>${icon}${text}</span></a>`;
}
function cloudButtonHtml(text, title) {
const icon = cloudCopyIcon();
// Custom CSS is needed to make the ${text} readable.
const customCss = 'font-size: 16px; line-height: 26px;';
// HTML & CSS classes from the "Watch this page" button
const watchThisPageButton = document.querySelector('[data-id="page-watch-button"]');
const buttonClasses = watchThisPageButton.className;
const innerSpanClasses = watchThisPageButton.children[0].className;
const innerInnerSpanClasses = watchThisPageButton.children[0].children[0].className;
return htmlToElement(
`<button class="${buttonClasses}" type="button">
<span class="${innerSpanClasses}" title="${title}">
<span class="${innerInnerSpanClasses}" role="img" style="--icon-primary-color: currentColor; --icon-secondary-color: var(--ds-surface, #FFFFFF); ${customCss}">
${icon}${text}
</span>
</span>
</button>`
);
}
function copyButton(text, title, plainTextFn) {
const onclick = (event) => copyClickAction(event, plainTextFn);
return onVersion(
() => {
const copyButtonAnchor = htmlToElement(selfHostedButtonHtml(text, title));
copyButtonAnchor.onclick = onclick;
const copyButtonListItem = htmlToElement('<li class="ajs-button normal"></li>');
copyButtonListItem.appendChild(copyButtonAnchor);
return copyButtonListItem;
},
() => {
const button = cloudButtonHtml(text, title);
button.onclick = onclick;
return button;
}
);
}
function htmlSyntaxLink(url, pageTitle) {
const html = `<a href="${url}">${pageTitle}</a>`;
return html;
}
function markdownSyntaxLink(url, pageTitle) {
return `[${pageTitle}](${url})`;
}
function jiraSyntaxLink(url, pageTitle) {
return `[${pageTitle}|${url}]`;
}
function insertBefore(newElem, oldElem) {
oldElem.parentNode.insertBefore(newElem, oldElem);
}
// from https://stackoverflow.com/a/61511955/1083697 by Yong Wang
function waitForElement(selector) {
return new Promise(resolve => {
if (document.querySelector(selector)) {
return resolve(document.querySelector(selector));
}
const observer = new MutationObserver(mutations => {
if (document.querySelector(selector)) {
resolve(document.querySelector(selector));
observer.disconnect();
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
});
}
function createButtons() {
onVersion(
() => waitForElement('#action-menu-link'),
() => waitForElement('button[aria-label="Share"]').then(shareButton => {
// HTML of Cloud version is weird, lots of nesting and wrapping
return shareButton.parentNode.parentNode.parentNode.parentNode;
})
).then(target => {
/*
* Buttons are added to the left of the `target` element.
*/
log('target', target);
const markdownListItem = copyButton("[]()", "Copy Markdown link", markdownSyntaxLink);
const jiraListItem = copyButton("[|]", "Copy Jira syntax link", jiraSyntaxLink);
insertBefore(markdownListItem, target);
insertBefore(jiraListItem, target);
log('Created buttons');
});
}
try {
createButtons();
} catch (e) {
error('Could not create buttons', e);
}
})();