code-server/lib/vscode/extensions/emmet/src/selectItem.ts

44 lines
1.9 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as vscode from 'vscode';
import { validate, isStyleSheet } from './util';
import { nextItemHTML, prevItemHTML } from './selectItemHTML';
import { nextItemStylesheet, prevItemStylesheet } from './selectItemStylesheet';
import { HtmlNode, CssNode } from 'EmmetFlatNode';
import { getRootNode } from './parseDocument';
export function fetchSelectItem(direction: string): void {
if (!validate() || !vscode.window.activeTextEditor) {
return;
}
const editor = vscode.window.activeTextEditor;
const document = editor.document;
const rootNode = getRootNode(document, true);
if (!rootNode) {
return;
}
let newSelections: vscode.Selection[] = [];
editor.selections.forEach(selection => {
const selectionStart = selection.isReversed ? selection.active : selection.anchor;
const selectionEnd = selection.isReversed ? selection.anchor : selection.active;
let updatedSelection;
if (isStyleSheet(editor.document.languageId)) {
updatedSelection = direction === 'next' ?
nextItemStylesheet(document, selectionStart, selectionEnd, <CssNode>rootNode) :
prevItemStylesheet(document, selectionStart, selectionEnd, <CssNode>rootNode);
} else {
updatedSelection = direction === 'next' ?
nextItemHTML(document, selectionStart, selectionEnd, <HtmlNode>rootNode) :
prevItemHTML(document, selectionStart, selectionEnd, <HtmlNode>rootNode);
}
newSelections.push(updatedSelection ? updatedSelection : selection);
});
editor.selections = newSelections;
editor.revealRange(editor.selections[editor.selections.length - 1]);
}