TypeScript ICoordinatesConverter.convertModelRangeToViewRange方法代碼示例

	public setSelectionStart(range: Range): void {
		this._setState(
			this.modelState.withSelectionStart(range),
			this.viewState.withSelectionStart(this.coordinatesConverter.convertModelRangeToViewRange(range)),
			false
		);
	}

	public onCursorRevealRange(eventsCollector: ViewEventsCollector, e: ICursorRevealRangeEvent): void {
		// Ensure event has viewRange
		const viewRange = (
			e.viewRange
				? e.viewRange
				: this.coordinatesConverter.convertModelRangeToViewRange(e.range)
		);
		eventsCollector.emit(new viewEvents.ViewRevealRangeRequestEvent(
			viewRange,
			e.verticalType,
			e.revealHorizontal
		));
	}

	private _getOrCreateViewModelDecoration(modelDecoration: editorCommon.IModelDecoration): ViewModelDecoration {
		let id = modelDecoration.id;
		let r = this._decorationsCache[id];
		if (!r) {
			r = new ViewModelDecoration(modelDecoration);
			this._decorationsCache[id] = r;
		}
		if (r.range === null) {
			const modelRange = modelDecoration.range;
			if (modelDecoration.options.isWholeLine) {
				let start = this._coordinatesConverter.convertModelPositionToViewPosition(new Position(modelRange.startLineNumber, 1));
				let end = this._coordinatesConverter.convertModelPositionToViewPosition(new Position(modelRange.endLineNumber, this.model.getLineMaxColumn(modelRange.endLineNumber)));
				r.range = new Range(start.lineNumber, start.column, end.lineNumber, end.column);
			} else {
				r.range = this._coordinatesConverter.convertModelRangeToViewRange(modelRange);
			}
		}
		return r;
	}

	private _getOrCreateViewModelDecoration(modelDecoration: IModelDecoration): ViewModelDecoration {
		const id = modelDecoration.id;
		let r = this._decorationsCache[id];
		if (!r) {
			const modelRange = modelDecoration.range;
			const options = modelDecoration.options;
			let viewRange: Range;
			if (options.isWholeLine) {
				const start = this._coordinatesConverter.convertModelPositionToViewPosition(new Position(modelRange.startLineNumber, 1));
				const end = this._coordinatesConverter.convertModelPositionToViewPosition(new Position(modelRange.endLineNumber, this.model.getLineMaxColumn(modelRange.endLineNumber)));
				viewRange = new Range(start.lineNumber, start.column, end.lineNumber, end.column);
			} else {
				viewRange = this._coordinatesConverter.convertModelRangeToViewRange(modelRange);
			}
			r = new ViewModelDecoration(viewRange, options);
			this._decorationsCache[id] = r;
		}
		return r;
	}

	public endRecoverSelectionFromMarkers(ctx: IOneCursorOperationContext, recoveredSelection: Selection): boolean {
		ctx.cursorPositionChangeReason = editorCommon.CursorChangeReason.RecoverFromMarkers;
		ctx.shouldPushStackElementBefore = true;
		ctx.shouldPushStackElementAfter = true;
		ctx.shouldReveal = false;
		ctx.shouldRevealHorizontal = false;

		let selectionStart = new Range(recoveredSelection.selectionStartLineNumber, recoveredSelection.selectionStartColumn, recoveredSelection.selectionStartLineNumber, recoveredSelection.selectionStartColumn);
		let position = new Position(recoveredSelection.positionLineNumber, recoveredSelection.positionColumn);

		let viewSelectionStart = this.coordinatesConverter.convertModelRangeToViewRange(selectionStart);
		let viewPosition = this.coordinatesConverter.convertViewPositionToModelPosition(position);

		this._setState(
			new SingleCursorState(selectionStart, 0, position, 0),
			new SingleCursorState(viewSelectionStart, 0, viewPosition, 0),
			false
		);

		return true;
	}

	public restoreState(state: IOneCursorState): void {
		let position = this.model.validatePosition(state.position);
		let selectionStart: Range;
		if (state.selectionStart) {
			selectionStart = this.model.validateRange(state.selectionStart);
		} else {
			selectionStart = new Range(position.lineNumber, position.column, position.lineNumber, position.column);
		}

		let viewPosition = this.coordinatesConverter.validateViewPosition(new Position(state.viewPosition.lineNumber, state.viewPosition.column), position);
		let viewSelectionStart: Range;
		if (state.viewSelectionStart) {
			viewSelectionStart = this.coordinatesConverter.validateViewRange(new Range(state.viewSelectionStart.startLineNumber, state.viewSelectionStart.startColumn, state.viewSelectionStart.endLineNumber, state.viewSelectionStart.endColumn), selectionStart);
		} else {
			viewSelectionStart = this.coordinatesConverter.convertModelRangeToViewRange(selectionStart);
		}

		this._setState(
			new SingleCursorState(selectionStart, state.selectionStartLeftoverVisibleColumns, position, state.leftoverVisibleColumns),
			new SingleCursorState(viewSelectionStart, state.selectionStartLeftoverVisibleColumns, viewPosition, state.leftoverVisibleColumns),
			false
		);
	}

	public convertModelRangeToViewRange(modelRange: Range): Range {
		return this._coordinatesConverter.convertModelRangeToViewRange(modelRange);
	}