monaco-editor
Version:
A browser based code editor
56 lines (55 loc) • 2.79 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* 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';
var MoveCaretCommand = /** @class */ (function () {
function MoveCaretCommand(selection, isMovingLeft) {
this._selection = selection;
this._isMovingLeft = isMovingLeft;
}
MoveCaretCommand.prototype.getEditOperations = function (model, builder) {
var s = this._selection;
this._selectionId = builder.trackSelection(s);
if (s.startLineNumber !== s.endLineNumber) {
return;
}
if (this._isMovingLeft && s.startColumn === 0) {
return;
}
else if (!this._isMovingLeft && s.endColumn === model.getLineMaxColumn(s.startLineNumber)) {
return;
}
var lineNumber = s.selectionStartLineNumber;
var lineContent = model.getLineContent(lineNumber);
var left;
var middle;
var right;
if (this._isMovingLeft) {
left = lineContent.substring(0, s.startColumn - 2);
middle = lineContent.substring(s.startColumn - 1, s.endColumn - 1);
right = lineContent.substring(s.startColumn - 2, s.startColumn - 1) + lineContent.substring(s.endColumn - 1);
}
else {
left = lineContent.substring(0, s.startColumn - 1) + lineContent.substring(s.endColumn - 1, s.endColumn);
middle = lineContent.substring(s.startColumn - 1, s.endColumn - 1);
right = lineContent.substring(s.endColumn);
}
var newLineContent = left + middle + right;
builder.addEditOperation(new Range(lineNumber, 1, lineNumber, model.getLineMaxColumn(lineNumber)), null);
builder.addEditOperation(new Range(lineNumber, 1, lineNumber, 1), newLineContent);
this._cutStartIndex = s.startColumn + (this._isMovingLeft ? -1 : 1);
this._cutEndIndex = this._cutStartIndex + s.endColumn - s.startColumn;
this._moved = true;
};
MoveCaretCommand.prototype.computeCursorState = function (model, helper) {
var result = helper.getTrackedSelection(this._selectionId);
if (this._moved) {
result = result.setStartPosition(result.startLineNumber, this._cutStartIndex);
result = result.setEndPosition(result.startLineNumber, this._cutEndIndex);
}
return result;
};
return MoveCaretCommand;
}());
export { MoveCaretCommand };