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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { ICodeEditor } from 'vs/editor/browser/editorBrowser';
import { ServicesAccessor } from 'vs/editor/browser/editorExtensions';
import { EditorContextKeys } from 'vs/editor/common/editorContextKeys';
import { ILanguageService } from 'vs/editor/common/languages/language';
import { SnippetController2 } from 'vs/editor/contrib/snippet/browser/snippetController2';
import * as nls from 'vs/nls';
import { IClipboardService } from 'vs/platform/clipboard/common/clipboardService';
import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
import { SnippetEditorAction } from 'vs/workbench/contrib/snippets/browser/commands/abstractSnippetsActions';
import { pickSnippet } from 'vs/workbench/contrib/snippets/browser/snippetPicker';
import { ISnippetsService } from 'vs/workbench/contrib/snippets/browser/snippets';
import { Snippet, SnippetSource } from 'vs/workbench/contrib/snippets/browser/snippetsFile';
class Args {
static fromUser(arg: any): Args {
if (!arg || typeof arg !== 'object') {
return Args._empty;
}
let { snippet, name, langId } = arg;
if (typeof snippet !== 'string') {
snippet = undefined;
}
if (typeof name !== 'string') {
name = undefined;
}
if (typeof langId !== 'string') {
langId = undefined;
}
return new Args(snippet, name, langId);
}
private static readonly _empty = new Args(undefined, undefined, undefined);
private constructor(
public readonly snippet: string | undefined,
public readonly name: string | undefined,
public readonly langId: string | undefined
) { }
}
export class InsertSnippetAction extends SnippetEditorAction {
constructor() {
super({
id: 'editor.action.insertSnippet',
title: {
value: nls.localize('snippet.suggestions.label', "Insert Snippet"),
original: 'Insert Snippet'
},
f1: true,
precondition: EditorContextKeys.writable,
description: {
description: `Insert Snippet`,
args: [{
name: 'args',
schema: {
'type': 'object',
'properties': {
'snippet': {
'type': 'string'
},
'langId': {
'type': 'string',
},
'name': {
'type': 'string'
}
},
}
}]
}
});
}
async runEditorCommand(accessor: ServicesAccessor, editor: ICodeEditor, arg: any) {
const languageService = accessor.get(ILanguageService);
const snippetService = accessor.get(ISnippetsService);
if (!editor.hasModel()) {
return;
}
const clipboardService = accessor.get(IClipboardService);
const instaService = accessor.get(IInstantiationService);
const snippet = await new Promise<Snippet | undefined>((resolve, reject) => {
const { lineNumber, column } = editor.getPosition();
const { snippet, name, langId } = Args.fromUser(arg);
if (snippet) {
return resolve(new Snippet(
false,
[],
'',
'',
'',
snippet,
'',
SnippetSource.User,
`random/${Math.random()}`
));
}
let languageId: string;
if (langId) {
if (!languageService.isRegisteredLanguageId(langId)) {
return resolve(undefined);
}
languageId = langId;
} else {
editor.getModel().tokenization.tokenizeIfCheap(lineNumber);
languageId = editor.getModel().getLanguageIdAtPosition(lineNumber, column);
// validate the `languageId` to ensure this is a user
// facing language with a name and the chance to have
// snippets, else fall back to the outer language
if (!languageService.getLanguageName(languageId)) {
languageId = editor.getModel().getLanguageId();
}
}
if (name) {
// take selected snippet
snippetService.getSnippets(languageId, { includeNoPrefixSnippets: true })
.then(snippets => snippets.find(snippet => snippet.name === name))
.then(resolve, reject);
} else {
// let user pick a snippet
resolve(instaService.invokeFunction(pickSnippet, languageId));
}
});
if (!snippet) {
return;
}
let clipboardText: string | undefined;
if (snippet.needsClipboard) {
clipboardText = await clipboardService.readText();
}
SnippetController2.get(editor)?.insert(snippet.codeSnippet, { clipboardText });
snippetService.updateUsageTimestamp(snippet);
}
}
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