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Merged
jdneo merged 8 commits intoLeetCode-OpenSource:masterfromxuzaixian:master
Mar 12, 2019
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15 changes: 15 additions & 0 deletionspackage.json
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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,6 +33,7 @@
"onCommand:leetcode.createSession",
"onCommand:leetcode.refreshExplorer",
"onCommand:leetcode.showProblem",
"onCommand:leetcode.previewProblem",
"onCommand:leetcode.searchProblem",
"onCommand:leetcode.testSolution",
"onCommand:leetcode.submitSolution",
Expand DownExpand Up@@ -94,6 +95,11 @@
"title": "Show Problem",
"category": "LeetCode"
},
{
"command": "leetcode.previewProblem",
"title": "Preview Problem",
"category": "LeetCode"
},
{
"command": "leetcode.searchProblem",
"title": "Search Problem",
Expand DownExpand Up@@ -164,12 +170,21 @@
"command": "leetcode.showProblem",
"when": "view == leetCodeExplorer && viewItem == problem",
"group": "leetcode@1"
},
{
"command": "leetcode.previewProblem",
"when": "view == leetCodeExplorer && viewItem == problem",
"group": "leetcode@1"
}
],
"commandPalette": [
{
"command": "leetcode.showProblem",
"when": "never"
},
{
"command": "leetcode.previewProblem",
"when": "never"
}
],
"explorer/context": [
Expand Down
10 changes: 10 additions & 0 deletionssrc/explorer/LeetCodeNode.ts
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@@ -1,6 +1,7 @@
// Copyright (c) jdneo. All rights reserved.
// Licensed under the MIT license.

import { Command } from "vscode";
import { IProblem, ProblemState } from "../shared";

export class LeetCodeNode {
Expand DownExpand Up@@ -48,4 +49,13 @@ export class LeetCodeNode {
public get parentName(): string {
return this.parentNodeName;
}

public get previewCommand(): Command {
return {
title: "Preview Problem",
command: "leetcode.previewProblem",
arguments: [this],
};
}

}
1 change: 1 addition & 0 deletionssrc/explorer/LeetCodeTreeDataProvider.ts
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Expand Up@@ -52,6 +52,7 @@ export class LeetCodeTreeDataProvider implements vscode.TreeDataProvider<LeetCod
collapsibleState: element.isProblem ? vscode.TreeItemCollapsibleState.None : vscode.TreeItemCollapsibleState.Collapsed,
contextValue: element.isProblem ? "problem" : element.id.toLowerCase(),
iconPath: this.parseIconPathFromProblemState(element),
command: element.isProblem ? element.previewCommand : undefined,
};
}

Expand Down
4 changes: 4 additions & 0 deletionssrc/extension.ts
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Expand Up@@ -15,6 +15,7 @@ import { LeetCodeTreeDataProvider } from "./explorer/LeetCodeTreeDataProvider";
import { leetCodeChannel } from "./leetCodeChannel";
import { leetCodeExecutor } from "./leetCodeExecutor";
import { leetCodeManager } from "./leetCodeManager";
import { leetCodePreviewProvider } from "./leetCodePreviewProvider";
import { leetCodeResultProvider } from "./leetCodeResultProvider";
import { leetCodeStatusBarItem } from "./leetCodeStatusBarItem";

Expand All@@ -29,11 +30,13 @@ export async function activate(context: vscode.ExtensionContext): Promise<void>
});

const leetCodeTreeDataProvider: LeetCodeTreeDataProvider = new LeetCodeTreeDataProvider(context);
leetCodePreviewProvider.initialize(context);
leetCodeResultProvider.initialize(context);

context.subscriptions.push(
leetCodeStatusBarItem,
leetCodeChannel,
leetCodePreviewProvider,
leetCodeResultProvider,
vscode.window.createTreeView("leetCodeExplorer", { treeDataProvider: leetCodeTreeDataProvider, showCollapseAll: true }),
vscode.languages.registerCodeLensProvider({ scheme: "file" }, codeLensProvider),
Expand All@@ -43,6 +46,7 @@ export async function activate(context: vscode.ExtensionContext): Promise<void>
vscode.commands.registerCommand("leetcode.signout", () => leetCodeManager.signOut()),
vscode.commands.registerCommand("leetcode.selectSessions", () => session.selectSession()),
vscode.commands.registerCommand("leetcode.createSession", () => session.createSession()),
vscode.commands.registerCommand("leetcode.previewProblem", (node: LeetCodeNode) => leetCodePreviewProvider.preview(node)),
vscode.commands.registerCommand("leetcode.showProblem", (node: LeetCodeNode) => show.showProblem(node)),
vscode.commands.registerCommand("leetcode.searchProblem", () => show.searchProblem()),
vscode.commands.registerCommand("leetcode.refreshExplorer", () => leetCodeTreeDataProvider.refresh()),
Expand Down
10 changes: 7 additions & 3 deletionssrc/leetCodeExecutor.ts
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Expand Up@@ -75,18 +75,22 @@ class LeetCodeExecutor {
);
}

public async showProblem(node: IProblem, language: string, outDir: string): Promise<string> {
const fileName: string = genFileName(node, language);
public async showProblem(problemNode: IProblem, language: string, outDir: string): Promise<string> {
const fileName: string = genFileName(problemNode, language);
const filePath: string = path.join(outDir, fileName);

if (!await fse.pathExists(filePath)) {
const codeTemplate: string = await this.executeCommandWithProgressEx("Fetching problem data...", "node", [await this.getLeetCodeBinaryPath(), "show",node.id, "-cx", "-l", language]);
const codeTemplate: string = await this.executeCommandWithProgressEx("Fetching problem data...", "node", [await this.getLeetCodeBinaryPath(), "show",problemNode.id, "-cx", "-l", language]);
await fse.writeFile(filePath, codeTemplate);
}

return filePath;
}

public async getDescription(problemNode: IProblem): Promise<string> {
return await this.executeCommandWithProgressEx("Fetching problem description...", "node", [await this.getLeetCodeBinaryPath(), "show", problemNode.id, "-x"]);
}

public async listSessions(): Promise<string> {
return await this.executeCommandEx("node", [await this.getLeetCodeBinaryPath(), "session"]);
}
Expand Down
107 changes: 107 additions & 0 deletionssrc/leetCodePreviewProvider.ts
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@@ -0,0 +1,107 @@
import { commands, Disposable, ExtensionContext, ViewColumn, WebviewPanel, window } from "vscode";
import { leetCodeExecutor } from "./leetCodeExecutor";
import { IProblem } from "./shared";
class LeetCodePreviewProvider implements Disposable {

private context: ExtensionContext;
private panel: WebviewPanel | undefined;

public initialize(context: ExtensionContext): void {
this.context = context;
}

public async preview(node: IProblem): Promise<void> {
if (!this.panel) {
const panelType: string = "previewProblem";
const panelTitle: string = node.name;
this.panel = window.createWebviewPanel(panelType, panelTitle, ViewColumn.Active, {
enableScripts: true,
enableCommandUris: true,
enableFindWidget: true,
retainContextWhenHidden: true,
});
}

this.panel.onDidDispose(() => {
this.panel = undefined;
}, null, this.context.subscriptions);

this.panel.webview.onDidReceiveMessage(async (message: IWebViewMessage) => {
switch (message.command) {
case "ShowProblem":
await commands.executeCommand("leetcode.showProblem", node);
this.dispose();
return;
}
});
this.panel.webview.html = await this.provideHtmlContent(node);
}

public dispose(): void {
if (this.panel) {
this.panel.dispose();
}
}

public async provideHtmlContent(node: IProblem): Promise<string> {
return await this.renderHTML(node);
}

private async renderHTML(node: IProblem): Promise<string> {
const description: string = await leetCodeExecutor.getDescription(node);
const descriptionHTML: string = description.replace(/\n/g, "<br>");
const htmlTemplate: string = `
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Preview Problem</title>
</head>
<style>
#solve {
position: fixed;
bottom: 1rem;
right: 1rem;
border: 0;
margin: 1rem 0;
padding: 0.2rem 1rem;
color: white;
background-color: var(--vscode-button-background);
}
#solve:hover {
background-color: var(--vscode-button-hoverBackground);
}
#solve:active {
border: 0;
}
</style>
<body>
<div >
${ descriptionHTML}
</div>
<button id="solve">Code Now</button>
<script>
(function() {
const vscode = acquireVsCodeApi();
let button = document.getElementById('solve');
button.onclick = solveHandler;
function solveHandler() {
vscode.postMessage({
command: 'ShowProblem',
});
}
}());
</script>
</body>
</html>
`;
return htmlTemplate;
}

}
export interface IWebViewMessage {
command: string;
}

export const leetCodePreviewProvider: LeetCodePreviewProvider = new LeetCodePreviewProvider();
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