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import { globalContext } from '../extension';
import { escapeHtml } from '../utils';
/**
* Creates and displays a Webview panel that shows a side-by-side comparison
* of a correct and incorrect code snippet, along with an explanation.
*
* This is used to help users understand suggested improvements or corrections
* by providing a visual, interactive comparison inside VS Code.
*
* @param rightCode - The correct or suggested version of the code.
* @param wrongCode - The original, incorrect version of the code.
* @param explanation - A textual explanation describing the correction.
*/
export const createCodeComparisonWebview = (rightCode: string, wrongCode: string, explanation: string) => {
const panel = vscode.window.createWebviewPanel(
'codeComparison',
'Code Comparison',
vscode.ViewColumn.Beside,
{
enableScripts: true,
retainContextWhenHidden: true,
}
);
panel.webview.html = getComparisonWebviewContent(rightCode, wrongCode, explanation);
// Handle messages from the webview
panel.webview.onDidReceiveMessage(
message => {
switch (message.command) {
case 'closeWebview':
panel.dispose(); // Close the webview
break;
}
},
undefined,
globalContext.subscriptions
);
};
/**
* Generates the HTML content for the code comparison Webview.
*
* This function returns a fully-structured HTML page that displays:
* - The correct code snippet
* - The incorrect code snippet
* - An explanation for the correction
* - A footer button that closes the Webview
*
* @param rightCode - The correct or improved code snippet.
* @param wrongCode - The original, incorrect code snippet.
* @param explanation - An explanation of why the change is necessary.
* @returns A string containing the HTML content for the Webview.
*/
const getComparisonWebviewContent = (rightCode: string, wrongCode: string, explanation: string): string => {
return `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Code Comparison</title>
<style>
:root {
--container-padding: 20px;
--section-padding: 16px;
--border-radius: 8px;
--border-color: #e1e4e8;
--section-margin: 16px;
}
body {
font-family: Arial, sans-serif;
margin: 0;
padding: var(--container-padding);
background-color: #0e0e0e;
color: #333;
display: flex;
flex-direction: column;
height: 100vh;
box-sizing: border-box;
}
.content {
flex: 1;
overflow: auto;
padding-bottom: 80px;
}
.code-block {
background: white;
padding: var(--section-padding);
margin-bottom: var(--section-margin);
border-radius: var(--border-radius);
border: 1px solid var(--border-color);
box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.code-content {
background-color: #f5f5f5;
font-family: 'Courier New', monospace;
white-space: pre-wrap;
padding: 12px;
border-radius: calc(var(--border-radius) - 2px);
overflow-x: auto;
margin-top: 8px;
border: 1px solid var(--border-color);
}
h3 {
margin: 0 0 8px 0;
color: #24292e;
font-size: 16px;
}
.explanation {
background: rgb(224, 236, 255);
padding: var(--section-padding);
margin-bottom: var(--section-margin);
border-radius: var(--border-radius);
border: 1px solid var(--border-color);
box-shadow: 0 1px 3px rgba(0,0,0,0.05);
border-left: 4px solid rgb(14, 145, 2);
}
.correct-header {
color: #2e7d32;
}
.incorrect-header {
color: #c62828;
}
.footer {
position: fixed;
bottom: 0;
left: 0;
right: 0;
background-color: #0e0e0e;
padding: 16px var(--container-padding);
display: flex;
justify-content: flex-end;
box-shadow: 0 -2px 5px rgba(0,0,0,0.05);
}
.close-button {
padding: 8px 24px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: var(--border-radius);
cursor: pointer;
font-size: 14px;
font-weight: 500;
transition: background-color 0.2s;
}
.close-button:hover {
background-color: #45a049;
}
</style>
</head>
<body>
<div class="content">
<div class="code-block">
<h3 class="correct-header">Correct Code</h3>
<div class="code-content">${escapeHtml(rightCode)}</div>
</div>
<div class="code-block">
<h3 class="incorrect-header">Incorrect Code</h3>
<div class="code-content">${escapeHtml(wrongCode)}</div>
</div>
<div class="explanation">
<h3>Explanation</h3>
<div>${escapeHtml(explanation)}</div>
</div>
</div>
<div class="footer">
<button class="close-button" id="closeButton">Got it</button>
</div>
<script>
const vscode = acquireVsCodeApi();
const closeButton = document.getElementById('closeButton');
closeButton.addEventListener('click', () => {
vscode.postMessage({
command: 'closeWebview'
});
});
</script>
</body>
</html>
`;
}; |