vscode-texinfo/src/indicator.ts

89 lines
3.1 KiB
TypeScript

/**
* indicator.ts
*
* Copyright (C) 2020,2021 CismonX <admin@cismon.net>
*
* This file is part of vscode-texinfo.
*
* vscode-texinfo is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* vscode-texinfo is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* vscode-texinfo. If not, see <https://www.gnu.org/licenses/>.
*/
import * as vscode from 'vscode';
import GlobalContext from './global_context';
import { exec } from './utils/misc';
/**
* Shows whether GNU Texinfo is properly installed and configured.
*/
export default class Indicator implements vscode.Disposable {
get canDisplayPreview() {
return this._canDisplayPreview;
}
dispose() {
this.statusBarItem.dispose();
}
constructor(private readonly globalContext: GlobalContext) {
globalContext.subscribe(
vscode.commands.registerCommand('texinfo.indicator.click', this.click.bind(this)),
vscode.window.onDidChangeActiveTextEditor(this.refresh.bind(this)),
);
this.updateStatus().then(() => this.refresh(vscode.window.activeTextEditor));
}
private _canDisplayPreview = false;
private statusBarItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Right, 100);
private async click() {
await this.updateStatus();
this.refresh(vscode.window.activeTextEditor);
}
private refresh(editor?: vscode.TextEditor) {
if (editor?.document.languageId === 'texinfo') {
this.statusBarItem.show();
} else {
this.statusBarItem.hide();
}
}
private async updateStatus() {
const options = this.globalContext.options;
const output = await exec(options.makeinfo, ['--version'], options.maxSize);
const result = output.data?.match(/\(GNU texinfo\) (.*)\n/);
let tooltip = '', icon: string, version = '';
if (result && result[1]) {
version = result[1];
if (!isNaN(+version) && +version < 6.7) {
icon = '$(warning)';
tooltip = `GNU Texinfo (${options.makeinfo}) is outdated (${version} < 6.7).`;
} else {
// Unrecognizable version. Assume it is okay.
icon = '$(check)';
}
this._canDisplayPreview = true;
} else {
icon = '$(close)';
tooltip = `GNU Texinfo (${options.makeinfo}) is not correctly installed or configured.`;
this._canDisplayPreview = false;
}
this.statusBarItem.command = 'texinfo.indicator.click';
this.statusBarItem.text = `${icon} GNU Texinfo ${version}`;
this.statusBarItem.tooltip = tooltip;
}
}