text: /*---------------------------------------------------------------------------------------------
   *  Copyright (c) Microsoft Corporation. All rights reserved.
   *  Licensed under the MIT License. See License.txt in the project root for license information.
   *--------------------------------------------------------------------------------------------*/
  import { Range } from '../../common/core/range.js';
  import { Selection } from '../../common/core/selection.js';
  export class MoveCaretCommand {
      constructor(selection, isMovingLeft) {
          this._selection = selection;
          this._isMovingLeft = isMovingLeft;
      }
      getEditOperations(model, builder) {
          if (this._selection.startLineNumber !== this._selection.endLineNumber || this._selection.isEmpty()) {
              return;
          }
          const lineNumber = this._selection.startLineNumber;
          const startColumn = this._selection.startColumn;
          const endColumn = this._selection.endColumn;
          if (this._isMovingLeft && startColumn === 1) {
              return;
          }
          if (!this._isMovingLeft && endColumn === model.getLineMaxColumn(lineNumber)) {
              return;
          }
          if (this._isMovingLeft) {
              const rangeBefore = new Range(lineNumber, startColumn - 1, lineNumber, startColumn);
              const charBefore = model.getValueInRange(rangeBefore);
              builder.addEditOperation(rangeBefore, null);
              builder.addEditOperation(new Range(lineNumber, endColumn, lineNumber, endColumn), charBefore);
          }
          else {
              const rangeAfter = new Range(lineNumber, endColumn, lineNumber, endColumn + 1);
              const charAfter = model.getValueInRange(rangeAfter);
              builder.addEditOperation(rangeAfter, null);
              builder.addEditOperation(new Range(lineNumber, startColumn, lineNumber, startColumn), charAfter);
          }
      }
      computeCursorState(model, helper) {
          if (this._isMovingLeft) {
              return new Selection(this._selection.startLineNumber, this._selection.startColumn - 1, this._selection.endLineNumber, this._selection.endColumn - 1);
          }
          else {
              return new Selection(this._selection.startLineNumber, this._selection.startColumn + 1, this._selection.endLineNumber, this._selection.endColumn + 1);
          }
      }
  }
  