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Fixes #8574: Implement transpose letters command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /*--------------------------------------------------------------------------------------------- | ||
| * Copyright (c) Microsoft Corporation. All rights reserved. | ||
| * Licensed under the MIT License. See License.txt in the project root for license information. | ||
| *--------------------------------------------------------------------------------------------*/ | ||
| 'use strict'; | ||
|
|
||
| import * as nls from 'vs/nls'; | ||
| import { KeyCode, KeyMod } from 'vs/base/common/keyCodes'; | ||
| import { Range } from 'vs/editor/common/core/range'; | ||
| import { ICommand, ICommonCodeEditor, EditorContextKeys } from 'vs/editor/common/editorCommon'; | ||
| import { editorAction, EditorAction, ServicesAccessor } from 'vs/editor/common/editorCommonExtensions'; | ||
| import { ReplaceCommand } from 'vs/editor/common/commands/replaceCommand'; | ||
|
|
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| @editorAction | ||
| class TransposeLettersAction extends EditorAction { | ||
|
|
||
| constructor() { | ||
| super({ | ||
| id: 'editor.action.transposeLetters', | ||
| label: nls.localize('transposeLetters.label', "Transpose Letters"), | ||
| alias: 'Transpose Letters', | ||
| precondition: EditorContextKeys.Writable, | ||
| kbOpts: { | ||
| kbExpr: EditorContextKeys.TextFocus, | ||
| primary: 0, | ||
| mac: { | ||
| primary: KeyMod.WinCtrl | KeyCode.KEY_T | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| public run(accessor: ServicesAccessor, editor: ICommonCodeEditor): void { | ||
| let model = editor.getModel(); | ||
| let commands: ICommand[] = []; | ||
| let selections = editor.getSelections(); | ||
|
|
||
| for (let i = 0; i < selections.length; i++) { | ||
| let selection = selections[i]; | ||
| if (!selection.isEmpty()) { | ||
| continue; | ||
| } | ||
| let lineNumber = selection.startLineNumber; | ||
| let column = selection.startColumn; | ||
| if (column === 1) { | ||
| // at the beginning of line | ||
| continue; | ||
| } | ||
| let maxColumn = model.getLineMaxColumn(lineNumber); | ||
| if (column === maxColumn) { | ||
| // at the end of line | ||
| continue; | ||
| } | ||
|
|
||
| let lineContent = model.getLineContent(lineNumber); | ||
| let charToTheLeft = lineContent.charAt(column - 2); | ||
| let charToTheRight = lineContent.charAt(column - 1); | ||
|
|
||
| let replaceRange = new Range(lineNumber, column - 1, lineNumber, column + 1); | ||
|
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| commands.push(new ReplaceCommand(replaceRange, charToTheRight + charToTheLeft)); | ||
| } | ||
|
|
||
| if (commands.length > 0) { | ||
| editor.executeCommands(this.id, commands); | ||
| } | ||
| } | ||
| } |