| /* |
| * 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) |
| }); |
| }); |