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Refactor Click-to-copy with Bootstrap5
Refactor of PR google#1245. Bootstrap5-compatible code.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,86 +1,40 @@ | ||
| let codeListings = document.querySelectorAll('.highlight > pre'); | ||
| let codeListings = document.querySelectorAll(".highlight > pre"); | ||
|
|
||
| for (let index = 0; index < codeListings.length; index++) | ||
| { | ||
| const codeSample = codeListings[index].querySelector('code'); | ||
| for (let index = 0; index < codeListings.length; index++) { | ||
| const codeSample = codeListings[index].querySelector("code"); | ||
| const copyButton = document.createElement("button"); | ||
| copyButton.setAttribute('type', 'button'); | ||
| copyButton.onclick = function() { copyCode(codeSample); }; | ||
| copyButton.classList.add('fas', 'fa-copy'); | ||
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| const buttonTooltip = document.createElement('div'); | ||
| buttonTooltip.classList.add('c2c-tooltip'); | ||
| buttonTooltip.setAttribute('role', 'tooltip'); | ||
| buttonTooltip.innerHTML += 'Copy to clipboard'; | ||
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| const buttonDiv = document.createElement('div'); | ||
| buttonDiv.classList.add('click-to-copy'); | ||
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| // Use Popper to create and handle the tooltip behavior. | ||
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| const popperInstance = Popper.createPopper(copyButton, buttonTooltip, | ||
| { | ||
| modifiers: | ||
| [ | ||
| { | ||
| name: 'offset', | ||
| options: | ||
| { | ||
| offset: [0, -48], | ||
| }, | ||
| }, | ||
| ], | ||
| const buttonAttributes = { | ||
| type: "button", | ||
| title: "Copy to clipboard", | ||
| "data-bs-toggle": "tooltip", | ||
| "data-bs-placement": "top", | ||
| "data-bs-container": "body", | ||
| }; | ||
|
|
||
| Object.keys(buttonAttributes).forEach((key) => { | ||
| copyButton.setAttribute(key, buttonAttributes[key]); | ||
| }); | ||
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| copyButton.addEventListener('click', () => | ||
| { | ||
| buttonTooltip.innerHTML = 'Copied!'; | ||
| }); | ||
|
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| copyButton.addEventListener('mouseenter', () => | ||
| { | ||
| buttonTooltip.setAttribute('show-tooltip', ''); | ||
| copyButton.classList.add("fas", "fa-copy", "btn", "btn-dark", "btn-sm"); | ||
| const tooltip = new bootstrap.Tooltip(copyButton); | ||
|
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| // Enable eventListeners when the code block is on the viewport | ||
|
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| popperInstance.setOptions((options) => ({ | ||
| ...options, | ||
| modifiers: | ||
| [ | ||
| ...options.modifiers, | ||
| { name: 'eventListeners', enabled: true }, | ||
| ], | ||
| })); | ||
| popperInstance.update(); | ||
| }); | ||
| copyButton.onclick = () => { | ||
| copyCode(codeSample); | ||
| copyButton.setAttribute("data-bs-original-title", "Copied!"); | ||
| tooltip.show(); | ||
| }; | ||
|
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||
| copyButton.addEventListener('mouseleave', () => | ||
| { | ||
| buttonTooltip.removeAttribute('show-tooltip'); | ||
|
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| // Reset the message in case the button was clicked | ||
| buttonTooltip.innerHTML = 'Copy to clipboard'; | ||
|
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||
| // Disble eventListeners when the code block is NOT on the viewport | ||
|
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||
| popperInstance.setOptions((options) => ({ | ||
| ...options, | ||
| modifiers: | ||
| [ | ||
| ...options.modifiers, | ||
| { name: 'eventListeners', enabled: false }, | ||
| ], | ||
| })); | ||
| }); | ||
| copyButton.onmouseout = () => { | ||
| copyButton.setAttribute("data-bs-original-title", "Copy to clipboard"); | ||
| tooltip.hide(); | ||
| }; | ||
|
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||
| const buttonDiv = document.createElement("div"); | ||
| buttonDiv.classList.add("click-to-copy"); | ||
| buttonDiv.append(copyButton); | ||
| buttonDiv.append(buttonTooltip); | ||
| codeListings[index].insertBefore(buttonDiv, codeSample); | ||
|
|
||
| } | ||
|
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| function copyCode(codeSample) | ||
| { | ||
| const copyCode = (codeSample) => { | ||
| navigator.clipboard.writeText(codeSample.textContent.trim()); | ||
| } | ||
|
|
||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,101 +1,84 @@ | ||
| // Code formatting. | ||
|
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| .td-content { | ||
| // Highlighted code. | ||
| .highlight { | ||
| @extend .card; | ||
|
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| margin: 2rem 0; | ||
| padding: 0; | ||
| position: relative; | ||
| // Highlighted code. | ||
| .highlight { | ||
| @extend .card; | ||
|
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| .click-to-copy { | ||
| display: block; | ||
| text-align: right; | ||
| height: 1ex; | ||
| } | ||
|
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| pre { | ||
| margin: 0; | ||
| padding: 1rem; | ||
| margin: 2rem 0; | ||
| padding: 0; | ||
| position: relative; | ||
|
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| // Default click-to-copy button | ||
|
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| button { | ||
| position: absolute; | ||
| color: $gray-400; | ||
| border-radius: 3px; | ||
| border-width: 0; | ||
| background-color: inherit; | ||
| box-shadow: 1px 1px $gray-400; | ||
| right: 8px; | ||
| top: 6px; | ||
| .click-to-copy { | ||
| display: block; | ||
| text-align: right; | ||
| height: 1ex; | ||
| } | ||
|
|
||
| &:hover { | ||
| color: $dark; | ||
| background-color: $gray-400; | ||
| } | ||
| &:active { | ||
| color: $dark; | ||
| background-color: $gray-400; | ||
| transform: translateY(2px); | ||
| } | ||
| } | ||
| pre { | ||
| margin: 0; | ||
| padding: 1rem; | ||
|
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| .c2c-tooltip { | ||
| background: $dark; | ||
| color: $white; | ||
| padding: 2px 4px; | ||
| border-radius: 3px; | ||
| display: block; | ||
| visibility: hidden; | ||
| opacity: 0; | ||
| transition: visibility 0s, opacity 0.5s linear; | ||
| } | ||
| // click-to-copy button | ||
| button { | ||
| position: absolute; | ||
| color: $gray-400; | ||
| border-radius: 3px; | ||
| border-width: 0; | ||
| background-color: inherit; | ||
| box-shadow: 1px 1px $gray-400; | ||
| right: 4px; | ||
| top: 2px; | ||
|
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| .c2c-tooltip[show-tooltip] { | ||
| visibility: visible; | ||
| opacity: 1; | ||
| } | ||
| &:hover { | ||
| color: $dark; | ||
| background-color: $gray-400; | ||
| } | ||
| &:active { | ||
| color: $dark; | ||
| background-color: $gray-400; | ||
| transform: translateY(2px); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Inline code | ||
| p code, li > code, table code { | ||
| color: inherit; | ||
| padding: 0.2em 0.4em; | ||
| margin: 0; | ||
| font-size: 85%; | ||
| word-break: normal; | ||
| background-color: rgba($black, 0.05); | ||
| border-radius: $border-radius; | ||
| // Inline code | ||
| p code, | ||
| li > code, | ||
| table code { | ||
| color: inherit; | ||
| padding: 0.2em 0.4em; | ||
| margin: 0; | ||
| font-size: 85%; | ||
| word-break: normal; | ||
| background-color: rgba($black, 0.05); | ||
| border-radius: $border-radius; | ||
|
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| br { | ||
| display: none; | ||
| } | ||
| br { | ||
| display: none; | ||
| } | ||
| } | ||
|
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| // Code blocks | ||
| pre { | ||
| word-wrap: normal; | ||
| background-color: $gray-100; | ||
| padding: $spacer; | ||
|
|
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| // Code blocks | ||
| pre { | ||
| word-wrap: normal; | ||
| background-color: $gray-100; | ||
| padding: $spacer; | ||
|
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||
|
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| > code { | ||
| background-color: inherit !important; | ||
| padding: 0; | ||
| margin: 0; | ||
| font-size: 100%; | ||
| word-break: normal; | ||
| white-space: pre; | ||
| border: 0; | ||
| } | ||
| > code { | ||
| background-color: inherit !important; | ||
| padding: 0; | ||
| margin: 0; | ||
| font-size: 100%; | ||
| word-break: normal; | ||
| white-space: pre; | ||
| border: 0; | ||
| } | ||
| } | ||
|
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| pre.mermaid { | ||
| background-color: inherit; | ||
| font-size: 0; | ||
| } | ||
| pre.mermaid { | ||
| background-color: inherit; | ||
| font-size: 0; | ||
| } | ||
| } |
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