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Signed-off-by: Jessica He <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| import path = require('path'); | ||
| import * as vscode from 'vscode'; | ||
| import { Disposable, Uri, window, ExtensionContext} from "vscode"; | ||
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| class JavaClassDocument implements vscode.CustomDocument { | ||
| constructor(uri: Uri) { this.uri = uri; } | ||
| uri: Uri; | ||
| dispose(): void { } | ||
| } | ||
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| export class JavaClassEditorProvider implements vscode.CustomReadonlyEditorProvider { | ||
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| private context: ExtensionContext; | ||
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| openCustomDocument(uri: Uri, openContext: vscode.CustomDocumentOpenContext, token: vscode.CancellationToken): JavaClassDocument { | ||
| return new JavaClassDocument(uri); | ||
| } | ||
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| public register(context: ExtensionContext): Disposable { | ||
| this.context = context; | ||
| const providerRegistration = vscode.window.registerCustomEditorProvider(JavaClassEditorProvider.viewType, javaClassEditorProvider); | ||
| return providerRegistration; | ||
| } | ||
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| private static readonly viewType = 'decompiled.javaClass'; | ||
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| async resolveCustomEditor(document: vscode.CustomDocument, webviewPanel: vscode.WebviewPanel, token: vscode.CancellationToken): Promise<void> { | ||
| const nonce: string = this.getNonce(); | ||
| webviewPanel.webview.options = { | ||
| enableScripts: true, | ||
| localResourceRoots: [Uri.joinPath(Uri.parse(this.context.extensionPath), 'webview-resources')] | ||
| }; | ||
| const classUri = Uri.parse((document.uri.toString()).replace(/^file/, "class")); | ||
| const styleUri = Uri.file( | ||
| path.join(this.context.extensionPath, 'webview-resources', 'button.css') | ||
| ); | ||
| const style: string = `<link rel="stylesheet" type="text/css" href="${webviewPanel.webview.asWebviewUri(styleUri).toString()}">`; | ||
| webviewPanel.webview.html = ` | ||
| <html lang="en"> | ||
| <head> | ||
| <meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'nonce-${nonce}'; style-src ${webviewPanel.webview.cspSource};"> | ||
| ${style} | ||
| </head> | ||
| <body> | ||
| <div class="center"> | ||
| <p>This file is not displayed in the text editor because it is a Java class file. Click here to decompile and open.</p> | ||
| <button id="btn"><center>Decompile Class File</center></button> | ||
| <div> | ||
| <script nonce="${nonce}"> | ||
| const vscode = acquireVsCodeApi(); | ||
| document.getElementById("btn").addEventListener("click", decompiled); | ||
| function decompiled() { | ||
| vscode.postMessage({ command: 'decompiled' }); | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> | ||
| `; | ||
| webviewPanel.webview.onDidReceiveMessage(message => { | ||
| switch (message.command) { | ||
| case 'decompiled': | ||
| webviewPanel.dispose(); | ||
| window.showTextDocument(classUri, { preview: false }); | ||
| return; | ||
| } | ||
| }, undefined, this.context.subscriptions); | ||
| } | ||
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| private getNonce(): string { | ||
| let text = ""; | ||
| const possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; | ||
| for (let i = 0; i < 32; i++) { | ||
| text += possible.charAt(Math.floor(Math.random() * possible.length)); | ||
| } | ||
| return text; | ||
| } | ||
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| } | ||
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| export const javaClassEditorProvider: JavaClassEditorProvider = new JavaClassEditorProvider(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* https://css-tricks.com/overriding-default-button-styles/ */ | ||
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| button { | ||
| display: inline-block; | ||
| border: none; | ||
| padding: 12px 16px; | ||
| margin: 0; | ||
| text-decoration: none; | ||
| background: var(--vscode-button-background); | ||
| color: #ffffff; | ||
| font-family: sans-serif; | ||
| font-size: 14px; | ||
| cursor: pointer; | ||
| text-align: center; | ||
| } | ||
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| button:hover, | ||
| button:focus { | ||
| background: var(--vscode-button-hoverBackground); | ||
| } | ||
| button:focus { | ||
| outline: 1px solid var(--vscode-button-hoverBackground); | ||
| /* outline-offset: -4px; */ | ||
| } | ||
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| .center { | ||
| text-align: center; | ||
| margin: 0; | ||
| position: absolute; | ||
| top: 50%; | ||
| left: 50%; | ||
| -ms-transform: translate(-50%, -50%); | ||
| transform: translate(-50%, -50%); | ||
| } |