perforce.js

var vscode = require('vscode');
var CP = require('child_process');
var window = vscode.window;
var workspace = vscode.workspace;

var isWin = /^win/.test(process.platform);
var _channel = window.createOutputChannel('Perforce Log');

function activate() {
	_channel.appendLine("Perforce Log Output");
	
	vscode.commands.registerCommand('perforce.showOutput', p_showOutput);
	vscode.commands.registerCommand('perforce.add', p_add);
	vscode.commands.registerCommand('perforce.edit', p_edit);
	vscode.commands.registerCommand('perforce.revert', p_revert);
	vscode.commands.registerCommand('perforce.diff', p_diff);
	vscode.commands.registerCommand('perforce.info', p_info);
	vscode.commands.registerCommand('perforce.menuFunctions', p_menuFunction);
}
exports.activate = activate;

function buildCmdline(command, args)
{
	var cmdline = "p4";
	if (isWin) {
		cmdline += ".exe";
	}
	
	cmdline += " " + command;
	
	if (args != undefined)
		cmdline += " " + args;
		
	return cmdline;
}

function p_showOutput() {
	_channel.show();
}

function p_add() {
	var editor = window.activeTextEditor;
	if (!editor) {
		window.showInformationMessage("Perforce: no file selected");
		return;
	}
	if (workspace.rootPath == undefined){
		window.showInformationMessage("Perforce: no folder opened");
		return;
	}
	var uri = editor.document.uri;
	var cmdline = buildCmdline("add", '"' + uri.fsPath + '"');
	
	_channel.appendLine(cmdline);
	CP.exec(cmdline, {cwd: workspace.rootPath}, function (err, stdout, stderr) {
		if(err){
			_channel.show();
			_channel.appendLine("ERROR:");
			_channel.append(stderr.toString());
		}
		else {
			window.showInformationMessage("Perforce: file opened for add");
			_channel.append(stdout.toString());
		}
	});
}

function p_edit() {
	var editor = window.activeTextEditor;
	if (!editor) {
		window.showInformationMessage("Perforce: no file selected");
		return;
	}
	if (workspace.rootPath == undefined){
		window.showInformationMessage("Perforce: no folder opened");
		return;
	}
	var uri = editor.document.uri;
	var cmdline = buildCmdline("edit", '"' + uri.fsPath + '"');
	
	_channel.appendLine(cmdline);
	CP.exec(cmdline, {cwd: workspace.rootPath}, function (err, stdout, stderr) {
		if(err){
			_channel.show();
			_channel.appendLine("ERROR:");
			_channel.append(stderr.toString());
		}
		else {
			window.showInformationMessage("Perforce: file opened for edit");
			_channel.append(stdout.toString());
		}
	});
}

function p_revert() {
	var editor = window.activeTextEditor;
	if (!editor) {
		window.showInformationMessage("Perforce: no file selected");
		return;
	}
	if (workspace.rootPath == undefined){
		window.showInformationMessage("Perforce: no folder opened");
		return;
	}
	var uri = editor.document.uri;
	var cmdline = buildCmdline("revert", '"' + uri.fsPath + '"');
	
	_channel.appendLine(cmdline);
	CP.exec(cmdline, {cwd: workspace.rootPath}, function (err, stdout, stderr) {
		if(err){
			_channel.show();
			_channel.appendLine("ERROR:");
			_channel.append(stderr.toString());
		}
		else {
			window.showInformationMessage("Perforce: file reverted");
			_channel.append(stdout.toString());
		}
	});
}

function p_diff() {
	var editor = window.activeTextEditor;
	if (!editor) {
		window.showInformationMessage("Perforce: no file selected");
		return;
	}
	if (workspace.rootPath == undefined){
		window.showInformationMessage("Perforce: no folder opened");
		return;
	}
	var uri = editor.document.uri;
	var cmdline = buildCmdline("diff", '"' + uri.fsPath + '"');
	
	//TODO: show in a 'compare' window
	//vscode.commands.executeCommand("workbench.files.action.compareFileWith", uri.fsPath);
	
	_channel.appendLine(cmdline);
	CP.exec(cmdline, {cwd:workspace.rootPath}, function (err, stdout, stderr) {
		if(err){
			_channel.show();
			_channel.appendLine("ERROR:");
			_channel.append(stderr.toString());
		}
		else {
			_channel.show();
			_channel.append(stdout.toString());
		}
	});
}

function p_info() {
	var cmdline = buildCmdline("info");

	if (workspace.rootPath == undefined){
		window.showInformationMessage("Perforce: no folder opened");
		return;
	}
	
	_channel.appendLine(cmdline);
	CP.exec(cmdline, {cwd:workspace.rootPath}, function (err, stdout, stderr) {
		if(err){
			_channel.show();
			_channel.appendLine("ERROR:");
			_channel.append(stderr.toString());
		}
		else {
			_channel.show();
			_channel.append(stdout.toString());
		}
	});
}

function p_menuFunction() {
	var items = [];
	items.push({ label: "add", description: "Open a new file to add it to the depot" });
	items.push({ label: "edit", description: "Open an existing file for edit" });
	items.push({ label: "revert", description: "Discard changes from an opened file" });
	items.push({ label: "diff", description: "Display diff of client file with depot file" });
	items.push({ label: "info", description: "Display client/server information" });
	window.showQuickPick(items, {matchOnDescription: true, placeHolder: "Choose a Perforce command:"}).then(function (selection) {
		if(selection == undefined)
			return;
		switch (selection.label) {
			case "add":
				p_add();
				break;
			case "edit":
				p_edit();
				break;
			case "revert":
				p_revert();
				break;
			case "diff":
				p_diff();
				break;
			case "info":
				p_info();
				break;
			default:
				break;
		}
	});
}