TypeScript selection.Selection类代码示例

	public static _deleteWordPartRight(model: ICursorSimpleModel, selection: Selection): Range {
		if (!selection.isEmpty()) {
			return selection;
		}

		const pos = selection.getPosition();
		const toPosition = WordOperations._moveWordPartRight(model, pos);
		return new Range(pos.lineNumber, pos.column, toPosition.lineNumber, toPosition.column);
	}

	test('Get selected changes test - multiple changes partially selected with multiple selections', () => {
		var selections: Selection[] = [];
		selections.push(Selection.createSelection(3, 1, 9, 5),  Selection.createSelection(115, 2, 129, 1));
		var changes: IChange[] = [];
		changes.push(createChange(1, 15, 1, 10), createChange(116, 135, 122, 126));
		var result = getSelectedChanges(changes, selections);
		var expected: IChange[] = [];
		expected.push(createChange(3, 9, 1, 10), createChange(116, 129, 122, 126));
		changesEqual(result, expected);
	});

	public static deleteWordPartLeft(wordSeparators: WordCharacterClassifier, model: ICursorSimpleModel, selection: Selection, whitespaceHeuristics: boolean, wordNavigationType: WordNavigationType): Range {
		if (!selection.isEmpty()) {
			return selection;
		}

		const position = new Position(selection.positionLineNumber, selection.positionColumn);
		const lineNumber = position.lineNumber;
		const column = position.column;

		if (lineNumber === 1 && column === 1) {
			// Ignore deleting at beginning of file
			return null;
		}

		if (whitespaceHeuristics) {
			let r = WordOperations._deleteWordLeftWhitespace(model, position);
			if (r) {
				return r;
			}
		}

		const wordRange = WordOperations.deleteWordLeft(wordSeparators, model, selection, whitespaceHeuristics, wordNavigationType);
		const lastWordPartEnd = _lastWordPartEnd(model.getLineContent(position.lineNumber), position.column - 2);
		const wordPartRange = new Range(lineNumber, column, lineNumber, lastWordPartEnd + 2);

		if (wordPartRange.getStartPosition().isBeforeOrEqual(wordRange.getStartPosition())) {
			return wordRange;
		}
		return wordPartRange;
	}

	public static deleteWordPartRight(wordSeparators: WordCharacterClassifier, model: ICursorSimpleModel, selection: Selection, whitespaceHeuristics: boolean, wordNavigationType: WordNavigationType): Range {
		if (!selection.isEmpty()) {
			return selection;
		}

		const position = new Position(selection.positionLineNumber, selection.positionColumn);
		const lineNumber = position.lineNumber;
		const column = position.column;

		const lineCount = model.getLineCount();
		const maxColumn = model.getLineMaxColumn(lineNumber);
		if (lineNumber === lineCount && column === maxColumn) {
			// Ignore deleting at end of file
			return null;
		}

		if (whitespaceHeuristics) {
			let r = WordOperations._deleteWordRightWhitespace(model, position);
			if (r) {
				return r;
			}
		}

		const wordRange = WordOperations.deleteWordRight(wordSeparators, model, selection, whitespaceHeuristics, wordNavigationType);
		const nextWordPartBegin = _nextWordPartBegin(model.getLineContent(position.lineNumber), position.column);
		const wordPartRange = new Range(lineNumber, column, lineNumber, nextWordPartBegin);

		if (wordRange.getEndPosition().isBeforeOrEqual(wordPartRange.getEndPosition())) {
			return wordRange;
		}
		return wordPartRange;
	}

export function testCommand(
	lines: string[],
	mode: IMode,
	selection: Selection,
	commandFactory: (selection:Selection) => editorCommon.ICommand,
	expectedLines: string[],
	expectedSelection: Selection
): void {

	let model = new Model(lines.join('\n'), Model.DEFAULT_CREATION_OPTIONS, mode);
	let config = new MockConfiguration(null);
	let cursor = new Cursor(0, config, model, null, false);

	cursor.setSelections('tests', [selection]);

	cursor.trigger('tests', editorCommon.Handler.ExecuteCommand, commandFactory(cursor.getSelection()));

	let actualValue = model.toRawText().lines;
	assert.deepEqual(actualValue, expectedLines);

	let actualSelection = cursor.getSelection();
	assert.deepEqual(actualSelection.toString(), expectedSelection.toString());

	cursor.dispose();
	config.dispose();
	model.dispose();
}

	public getEditOperations(model: editorCommon.ITokenizedModel, builder: editorCommon.IEditOperationBuilder): void {

		for (let edit of this._edits) {
			// We know that this edit.range comes from the mirror model, so it should only contain \n and no \r's
			let trimEdit = EditOperationsCommand.trimEdit(edit, model);
			if (trimEdit !== null) { // produced above in case the edit.text is identical to the existing text
				builder.addEditOperation(Range.lift(edit.range), edit.text);
			}
		}

		var selectionIsSet = false;
		if (Array.isArray(this._edits) && this._edits.length === 1 && this._initialSelection.isEmpty()) {
			if (this._edits[0].range.startColumn === this._initialSelection.endColumn &&
				this._edits[0].range.startLineNumber === this._initialSelection.endLineNumber) {
				selectionIsSet = true;
				this._selectionId = builder.trackSelection(this._initialSelection, true);
			} else if (this._edits[0].range.endColumn === this._initialSelection.startColumn &&
				this._edits[0].range.endLineNumber === this._initialSelection.startLineNumber) {
				selectionIsSet = true;
				this._selectionId = builder.trackSelection(this._initialSelection, false);
			}
		}

		if (!selectionIsSet) {
			this._selectionId = builder.trackSelection(this._initialSelection);
		}
	}

	public getEditOperations(model: ITextModel, builder: editorCommon.IEditOperationBuilder): void {
		let s = this._selection;

		this._startLineNumberDelta = 0;
		this._endLineNumberDelta = 0;
		if (s.startLineNumber < s.endLineNumber && s.endColumn === 1) {
			this._endLineNumberDelta = 1;
			s = s.setEndPosition(s.endLineNumber - 1, model.getLineMaxColumn(s.endLineNumber - 1));
		}

		let sourceLines: string[] = [];
		for (let i = s.startLineNumber; i <= s.endLineNumber; i++) {
			sourceLines.push(model.getLineContent(i));
		}
		const sourceText = sourceLines.join('\n');

		if (sourceText === '') {
			// Duplicating empty line
			if (this._isCopyingDown) {
				this._startLineNumberDelta++;
				this._endLineNumberDelta++;
			}
		}

		if (!this._isCopyingDown) {
			builder.addEditOperation(new Range(s.endLineNumber, model.getLineMaxColumn(s.endLineNumber), s.endLineNumber, model.getLineMaxColumn(s.endLineNumber)), '\n' + sourceText);
		} else {
			builder.addEditOperation(new Range(s.startLineNumber, 1, s.startLineNumber, 1), sourceText + '\n');
		}

		this._selectionId = builder.trackSelection(s);
		this._selectionDirection = this._selection.getDirection();
	}

export function testCommand(
	lines: string[],
	languageIdentifier: LanguageIdentifier,
	selection: Selection,
	commandFactory: (selection: Selection) => editorCommon.ICommand,
	expectedLines: string[],
	expectedSelection: Selection
): void {

	let model = Model.createFromString(lines.join('\n'), undefined, languageIdentifier);
	let config = new MockConfiguration(null);
	let cursor = new Cursor(config, model, viewModelHelper(model), false);

	cursor.setSelections('tests', [selection]);

	cursor.trigger('tests', editorCommon.Handler.ExecuteCommand, commandFactory(cursor.getSelection()));

	let actualValue = model.toRawText().lines;
	assert.deepEqual(actualValue, expectedLines);

	let actualSelection = cursor.getSelection();
	assert.deepEqual(actualSelection.toString(), expectedSelection.toString());

	cursor.dispose();
	config.dispose();
	model.dispose();
}