public static deleteRight(prevEditOperationType: EditOperationType, config: CursorConfiguration, model: ICursorSimpleModel, selections: Selection[]): [boolean, ICommand[]] {
let commands: ICommand[] = [];
let shouldPushStackElementBefore = (prevEditOperationType !== EditOperationType.DeletingRight);
for (let i = 0, len = selections.length; i < len; i++) {
const selection = selections[i];
let deleteSelection: Range = selection;
if (deleteSelection.isEmpty()) {
let position = selection.getPosition();
let rightOfPosition = MoveOperations.right(config, model, position.lineNumber, position.column);
deleteSelection = new Range(
rightOfPosition.lineNumber,
rightOfPosition.column,
position.lineNumber,
position.column
);
}
if (deleteSelection.isEmpty()) {
// Probably at end of file => ignore
commands[i] = null;
continue;
}
if (deleteSelection.startLineNumber !== deleteSelection.endLineNumber) {
shouldPushStackElementBefore = true;
}
commands[i] = new ReplaceCommand(deleteSelection, '');
}
return [shouldPushStackElementBefore, commands];
}
public static deleteRight(config: CursorConfiguration, model: ICursorSimpleModel, cursor: SingleCursorState): EditOperationResult {
let deleteSelection: Range = cursor.selection;
if (deleteSelection.isEmpty()) {
let position = cursor.position;
let rightOfPosition = MoveOperations.right(config, model, position.lineNumber, position.column);
deleteSelection = new Range(
rightOfPosition.lineNumber,
rightOfPosition.column,
position.lineNumber,
position.column
);
}
if (deleteSelection.isEmpty()) {
// Probably at end of file => ignore
return null;
}
let shouldPushStackElementBefore = false;
if (deleteSelection.startLineNumber !== deleteSelection.endLineNumber) {
shouldPushStackElementBefore = true;
}
return new EditOperationResult(new ReplaceCommand(deleteSelection, ''), {
shouldPushStackElementBefore: shouldPushStackElementBefore,
shouldPushStackElementAfter: false
});
}
public static deleteLeft(prevEditOperationType: EditOperationType, config: CursorConfiguration, model: ICursorSimpleModel, selections: Selection[]): [boolean, ICommand[]] {
if (this._isAutoClosingPairDelete(config, model, selections)) {
return this._runAutoClosingPairDelete(config, model, selections);
}
let commands: ICommand[] = [];
let shouldPushStackElementBefore = (prevEditOperationType !== EditOperationType.DeletingLeft);
for (let i = 0, len = selections.length; i < len; i++) {
const selection = selections[i];
let deleteSelection: Range = selection;
if (deleteSelection.isEmpty()) {
let position = selection.getPosition();
if (config.useTabStops && position.column > 1) {
let lineContent = model.getLineContent(position.lineNumber);
let firstNonWhitespaceIndex = strings.firstNonWhitespaceIndex(lineContent);
let lastIndentationColumn = (
firstNonWhitespaceIndex === -1
? /* entire string is whitespace */lineContent.length + 1
: firstNonWhitespaceIndex + 1
);
if (position.column <= lastIndentationColumn) {
let fromVisibleColumn = CursorColumns.visibleColumnFromColumn2(config, model, position);
let toVisibleColumn = CursorColumns.prevTabStop(fromVisibleColumn, config.tabSize);
let toColumn = CursorColumns.columnFromVisibleColumn2(config, model, position.lineNumber, toVisibleColumn);
deleteSelection = new Range(position.lineNumber, toColumn, position.lineNumber, position.column);
} else {
deleteSelection = new Range(position.lineNumber, position.column - 1, position.lineNumber, position.column);
}
} else {
let leftOfPosition = MoveOperations.left(config, model, position.lineNumber, position.column);
deleteSelection = new Range(
leftOfPosition.lineNumber,
leftOfPosition.column,
position.lineNumber,
position.column
);
}
}
if (deleteSelection.isEmpty()) {
// Probably at beginning of file => ignore
commands[i] = null;
continue;
}
if (deleteSelection.startLineNumber !== deleteSelection.endLineNumber) {
shouldPushStackElementBefore = true;
}
commands[i] = new ReplaceCommand(deleteSelection, '');
}
return [shouldPushStackElementBefore, commands];
}
public static moveToEndOfBuffer(context: CursorContext, cursors: OneCursor[], inSelectionMode: boolean): CursorState[] {
let result: CursorState[] = [];
for (let i = 0, len = cursors.length; i < len; i++) {
const cursor = cursors[i];
result[i] = this._fromModelCursorState(context, cursor, MoveOperations.moveToEndOfBuffer(context.config, context.model, cursor.modelState, inSelectionMode));
}
return result;
}
public static moveToBeginningOfLine(context: CursorContext, cursors: OneCursor[], inSelectionMode: boolean): CursorState[] {
let result: CursorState[] = [];
for (let i = 0, len = cursors.length; i < len; i++) {
const cursor = cursors[i];
result[i] = this._fromViewCursorState(context, cursor, MoveOperations.moveToBeginningOfLine(context.config, context.viewModel, cursor.viewState, inSelectionMode));
}
return result;
}
private static _moveUpByModelLines(context: CursorContext, cursors: OneCursor[], inSelectionMode: boolean, linesCount: number): CursorState[] {
let result: CursorState[] = [];
for (let i = 0, len = cursors.length; i < len; i++) {
const cursor = cursors[i];
result[i] = this._fromModelCursorState(context, cursor, MoveOperations.moveUp(context.config, context.model, cursor.modelState, inSelectionMode, linesCount));
}
return result;
}
private static _moveRight(context: CursorContext, cursors: OneCursor[], inSelectionMode: boolean, noOfColumns: number = 1): CursorState[] {
let result: CursorState[] = [];
for (let i = 0, len = cursors.length; i < len; i++) {
const cursor = cursors[i];
result[i] = this._fromViewCursorState(context, cursor, MoveOperations.moveRight(context.config, context.viewModel, cursor.viewState, inSelectionMode, noOfColumns));
}
return result;
}
public static addCursorUp(context: CursorContext, cursors: OneCursor[]): CursorState[] {
let result: CursorState[] = [], resultLen = 0;
for (let i = 0, len = cursors.length; i < len; i++) {
const cursor = cursors[i];
result[resultLen++] = new CursorState(cursor.modelState, cursor.viewState);
result[resultLen++] = this._fromViewCursorState(context, cursor, MoveOperations.translateUp(context.config, context.viewModel, cursor.viewState));
}
return result;
}
public static deleteLeft(config: CursorConfiguration, model: ICursorSimpleModel, cursor: SingleCursorState): EditOperationResult {
let r = this.autoClosingPairDelete(config, model, cursor);
if (r) {
// This was a case for an auto-closing pair delete
return r;
}
let deleteSelection: Range = cursor.selection;
if (deleteSelection.isEmpty()) {
let position = cursor.position;
if (config.useTabStops && position.column > 1) {
let lineContent = model.getLineContent(position.lineNumber);
let firstNonWhitespaceIndex = strings.firstNonWhitespaceIndex(lineContent);
let lastIndentationColumn = (
firstNonWhitespaceIndex === -1
? /* entire string is whitespace */lineContent.length + 1
: firstNonWhitespaceIndex + 1
);
if (position.column <= lastIndentationColumn) {
let fromVisibleColumn = CursorColumns.visibleColumnFromColumn2(config, model, position);
let toVisibleColumn = CursorColumns.prevTabStop(fromVisibleColumn, config.tabSize);
let toColumn = CursorColumns.columnFromVisibleColumn2(config, model, position.lineNumber, toVisibleColumn);
deleteSelection = new Range(position.lineNumber, toColumn, position.lineNumber, position.column);
} else {
deleteSelection = new Range(position.lineNumber, position.column - 1, position.lineNumber, position.column);
}
} else {
let leftOfPosition = MoveOperations.left(config, model, position.lineNumber, position.column);
deleteSelection = new Range(
leftOfPosition.lineNumber,
leftOfPosition.column,
position.lineNumber,
position.column
);
}
}
if (deleteSelection.isEmpty()) {
// Probably at beginning of file => ignore
return null;
}
let shouldPushStackElementBefore = false;
if (deleteSelection.startLineNumber !== deleteSelection.endLineNumber) {
shouldPushStackElementBefore = true;
}
return new EditOperationResult(new ReplaceCommand(deleteSelection, ''), {
shouldPushStackElementBefore: shouldPushStackElementBefore,
shouldPushStackElementAfter: false
});
}
private static _moveHalfLineRight(context: CursorContext, cursors: OneCursor[], inSelectionMode: boolean): CursorState[] {
let result: CursorState[] = [];
for (let i = 0, len = cursors.length; i < len; i++) {
const cursor = cursors[i];
const viewLineNumber = cursor.viewState.position.lineNumber;
const halfLine = Math.round(context.viewModel.getLineContent(viewLineNumber).length / 2);
result[i] = this._fromViewCursorState(context, cursor, MoveOperations.moveRight(context.config, context.viewModel, cursor.viewState, inSelectionMode, halfLine));
}
return result;
}
