TypeScript Selection.containsPosition方法代码示例

	public getEditOperations(model: editorCommon.ITokenizedModel, builder: editorCommon.IEditOperationBuilder): void {
		let text = model.getValueInRange(this.selection);
		builder.addEditOperation(this.selection, null);
		builder.addEditOperation(new Range(this.targetPosition.lineNumber, this.targetPosition.column, this.targetPosition.lineNumber, this.targetPosition.column), text);

		if (this.selection.containsPosition(this.targetPosition)) {
			this.targetSelection = this.selection;
			return;
		}

		if (this.targetPosition.lineNumber > this.selection.endLineNumber) {
			// Drag the selection downwards
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber - this.selection.endLineNumber + this.selection.startLineNumber,
				this.targetPosition.column,
				this.targetPosition.lineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column + this.selection.endColumn - this.selection.startColumn :
					this.selection.endColumn
			);
			return;
		}

		if (this.targetPosition.lineNumber < this.selection.endLineNumber) {
			// Drag the selection upwards
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber,
				this.targetPosition.column,
				this.targetPosition.lineNumber + this.selection.endLineNumber - this.selection.startLineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column + this.selection.endColumn - this.selection.startColumn :
					this.selection.endColumn
			);
			return;
		}

		// The target position is at the same line as the selection's end position.
		if (this.selection.endColumn <= this.targetPosition.column) {
			// The target position is after the selection's end position
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber - this.selection.endLineNumber + this.selection.startLineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column - this.selection.endColumn + this.selection.startColumn :
					this.targetPosition.column - this.selection.endColumn + this.selection.startColumn,
				this.targetPosition.lineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column :
					this.selection.endColumn
			);
		} else {
			// The target position is before the selection's end postion. Since the selection doesn't contain the target position, the selection is one-line and target position is before this selection.
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber - this.selection.endLineNumber + this.selection.startLineNumber,
				this.targetPosition.column,
				this.targetPosition.lineNumber,
				this.targetPosition.column + this.selection.endColumn - this.selection.startColumn
			);
		}
	}

	public getEditOperations(model: ITextModel, builder: editorCommon.IEditOperationBuilder): void {
		let text = model.getValueInRange(this.selection);
		if (!this.copy) {
			builder.addEditOperation(this.selection, null);
		}
		builder.addEditOperation(new Range(this.targetPosition.lineNumber, this.targetPosition.column, this.targetPosition.lineNumber, this.targetPosition.column), text);

		if (this.selection.containsPosition(this.targetPosition) && !(
			this.copy && (
				this.selection.getEndPosition().equals(this.targetPosition) || this.selection.getStartPosition().equals(this.targetPosition)
			) // we allow users to paste content beside the selection
		)) {
			this.targetSelection = this.selection;
			return;
		}

		if (this.copy) {
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber,
				this.targetPosition.column,
				this.selection.endLineNumber - this.selection.startLineNumber + this.targetPosition.lineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column + this.selection.endColumn - this.selection.startColumn :
					this.selection.endColumn
			);
			return;
		}

		if (this.targetPosition.lineNumber > this.selection.endLineNumber) {
			// Drag the selection downwards
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber - this.selection.endLineNumber + this.selection.startLineNumber,
				this.targetPosition.column,
				this.targetPosition.lineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column + this.selection.endColumn - this.selection.startColumn :
					this.selection.endColumn
			);
			return;
		}

		if (this.targetPosition.lineNumber < this.selection.endLineNumber) {
			// Drag the selection upwards
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber,
				this.targetPosition.column,
				this.targetPosition.lineNumber + this.selection.endLineNumber - this.selection.startLineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column + this.selection.endColumn - this.selection.startColumn :
					this.selection.endColumn
			);
			return;
		}

		// The target position is at the same line as the selection's end position.
		if (this.selection.endColumn <= this.targetPosition.column) {
			// The target position is after the selection's end position
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber - this.selection.endLineNumber + this.selection.startLineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column - this.selection.endColumn + this.selection.startColumn :
					this.targetPosition.column - this.selection.endColumn + this.selection.startColumn,
				this.targetPosition.lineNumber,
				this.selection.startLineNumber === this.selection.endLineNumber ?
					this.targetPosition.column :
					this.selection.endColumn
			);
		} else {
			// The target position is before the selection's end postion. Since the selection doesn't contain the target position, the selection is one-line and target position is before this selection.
			this.targetSelection = new Selection(
				this.targetPosition.lineNumber - this.selection.endLineNumber + this.selection.startLineNumber,
				this.targetPosition.column,
				this.targetPosition.lineNumber,
				this.targetPosition.column + this.selection.endColumn - this.selection.startColumn
			);
		}
	}

	private static _cursorChangeMessage(source: string, model: IModel, oldSelection: Selection, newSelection: Selection): string {
		if (oldSelection.equalsRange(newSelection)) {
			return '';
		}

		if (oldSelection.isEmpty()) {

			if (newSelection.isEmpty()) {
				// ...[]... => ...[]...
				return this._cursorMoveMessage(source, model, oldSelection.getPosition(), newSelection.getPosition());
			}

			// ...[]... => ...[x]...:
			return this._cursorSelectedMessage(model, newSelection);
		}

		if (newSelection.isEmpty()) {
			if (oldSelection.containsPosition(newSelection.getPosition())) {
				// ...a[xy]b... => ...a[]xyb... or ...ax[]yb... or ...axy[]b...
				return this._cursorUnselectedMessage(model, oldSelection);
			}

			// moved away from the old selection and collapsed it
			return this._cursorMoveMessage(source, model, oldSelection.getPosition(), newSelection.getPosition()) + '\n' + this._cursorUnselectedMessage(model, oldSelection);
		}

		// ...[x]... => ...[y]...

		if (newSelection.getStartPosition().equals(oldSelection.getStartPosition())) {

			// ...a[x]... => ...a[y]...

			if (newSelection.getEndPosition().isBefore(oldSelection.getEndPosition())) {
				// ...a[xy]... => ...a[x]y...
				return this._cursorUnselectedMessage(model, new Range(newSelection.endLineNumber, newSelection.endColumn, oldSelection.endLineNumber, oldSelection.endColumn));

			}

			// ...a[x]y... => ...a[xy]...
			return this._cursorSelectedMessage(model, new Range(oldSelection.endLineNumber, oldSelection.endColumn, newSelection.endLineNumber, newSelection.endColumn));

		}

		if (newSelection.getEndPosition().equals(oldSelection.getEndPosition())) {

			// ...[x]a... => ...[y]a...

			if (newSelection.getStartPosition().isBefore(oldSelection.getStartPosition())) {
				// ...y[x]a... => ...[yx]a...
				return this._cursorSelectedMessage(model, new Range(newSelection.startLineNumber, newSelection.startColumn, oldSelection.startLineNumber, oldSelection.startColumn));
			}

			// ...[yx]a... => ...y[x]a...
			return this._cursorUnselectedMessage(model, new Range(oldSelection.startLineNumber, oldSelection.startColumn, newSelection.startLineNumber, newSelection.startColumn));

		}

		// weird jump
		return this._cursorSelectedMessage(model, newSelection) + '\n' + this._cursorUnselectedMessage(model, oldSelection);

	}