rust/editors/code/src/ctx.ts
2021-06-07 17:56:40 +01:00

112 lines
3.5 KiB
TypeScript

import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient/node';
import * as ra from './lsp_ext';
import { Config } from './config';
import { createClient } from './client';
import { isRustEditor, RustEditor } from './util';
import { ServerStatusParams } from './lsp_ext';
export type Workspace =
{
kind: 'Workspace Folder';
}
| {
kind: 'Detached Files';
files: vscode.TextDocument[];
};
export class Ctx {
private constructor(
readonly config: Config,
private readonly extCtx: vscode.ExtensionContext,
readonly client: lc.LanguageClient,
readonly serverPath: string,
readonly statusBar: vscode.StatusBarItem,
) {
}
static async create(
config: Config,
extCtx: vscode.ExtensionContext,
serverPath: string,
workspace: Workspace,
): Promise<Ctx> {
const client = createClient(serverPath, workspace, config.serverExtraEnv);
const statusBar = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left);
extCtx.subscriptions.push(statusBar);
statusBar.text = "rust-analyzer";
statusBar.tooltip = "ready";
statusBar.command = "rust-analyzer.analyzerStatus";
statusBar.show();
const res = new Ctx(config, extCtx, client, serverPath, statusBar);
res.pushCleanup(client.start());
await client.onReady();
client.onNotification(ra.serverStatus, (params) => res.setServerStatus(params));
return res;
}
get activeRustEditor(): RustEditor | undefined {
const editor = vscode.window.activeTextEditor;
return editor && isRustEditor(editor)
? editor
: undefined;
}
get visibleRustEditors(): RustEditor[] {
return vscode.window.visibleTextEditors.filter(isRustEditor);
}
registerCommand(name: string, factory: (ctx: Ctx) => Cmd) {
const fullName = `rust-analyzer.${name}`;
const cmd = factory(this);
const d = vscode.commands.registerCommand(fullName, cmd);
this.pushCleanup(d);
}
get globalState(): vscode.Memento {
return this.extCtx.globalState;
}
get subscriptions(): Disposable[] {
return this.extCtx.subscriptions;
}
setServerStatus(status: ServerStatusParams) {
this.statusBar.tooltip = status.message ?? "Ready";
let icon = "";
switch (status.health) {
case "ok":
this.statusBar.color = undefined;
break;
case "warning":
this.statusBar.tooltip += "\nClick to reload.";
this.statusBar.command = "rust-analyzer.reloadWorkspace";
this.statusBar.color = new vscode.ThemeColor("notificationsWarningIcon.foreground");
icon = "$(warning) ";
break;
case "error":
this.statusBar.tooltip += "\nClick to reload.";
this.statusBar.command = "rust-analyzer.reloadWorkspace";
this.statusBar.color = new vscode.ThemeColor("notificationsErrorIcon.foreground");
icon = "$(error) ";
break;
}
if (!status.quiescent) icon = "$(sync~spin) ";
this.statusBar.text = `${icon} rust-analyzer`;
}
pushCleanup(d: Disposable) {
this.extCtx.subscriptions.push(d);
}
}
export interface Disposable {
dispose(): void;
}
export type Cmd = (...args: any[]) => unknown;