druid/website/static/js/code-block-buttons.js

67 lines
2.8 KiB
JavaScript

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Add copy-to-clipboard buttons to code blocks */
window.addEventListener('load', function() {
const COPY_BUTTON_TEXT_LABEL = 'Copy'
const COPY_BUTTON_SUCCESS_TEXT_LABEL = 'Copied'
function addCopyButtons(codeBlockSelector, copyButton) {
document.querySelectorAll(codeBlockSelector).forEach(function(codeBlock) {
codeBlock.parentNode.appendChild(copyButton.cloneNode(true));
});
}
function createCopyButton() {
const copyButton = document.createElement('button');
copyButton.classList.add('copyCodeButton');
copyButton.setAttribute('aria-label', 'Copy code to clipboard');
copyButton.setAttribute('type', 'button');
/* SVG is 'clipboard' icon from blueprintjs */
copyButton.innerHTML =
'<div class="copyCodeButtonText">' +
'<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="12" height="12" viewBox="0 0 16 16" enable-background="new 0 0 16 16" xml:space="preserve"> <g id="clipboard_3_"> <g> <path fill-rule="evenodd" clip-rule="evenodd" d="M11,2c0-0.55-0.45-1-1-1h0.22C9.88,0.4,9.24,0,8.5,0S7.12,0.4,6.78,1H7 C6.45,1,6,1.45,6,2v1h5V2z M13,2h-1v2H5V2H4C3.45,2,3,2.45,3,3v12c0,0.55,0.45,1,1,1h9c0.55,0,1-0.45,1-1V3C14,2.45,13.55,2,13,2z "/> </g> </g> </svg>' +
'<span class="copyCodeButtonTextLabel">' + COPY_BUTTON_TEXT_LABEL + '</span>' +
'</div>';
return copyButton;
}
addCopyButtons('.hljs', createCopyButton());
const clipboard = new ClipboardJS('.copyCodeButton', {
target: function(trigger) {
return trigger.parentNode.querySelector('code');
},
});
function showCopySuccess(copyButtonTextElement) {
copyButtonTextElement.textContent = COPY_BUTTON_SUCCESS_TEXT_LABEL;
setTimeout(function() {
copyButtonTextElement.textContent = COPY_BUTTON_TEXT_LABEL;
}, 2000);
}
clipboard.on('success', function(event) {
event.clearSelection();
const copyButtonTextElement = event.trigger.querySelector('.copyCodeButtonTextLabel');
showCopySuccess(copyButtonTextElement)
});
});