LineStringDrawController.java 文件源码

protected void updateTempLineAfterMove(MouseEvent<?> event) {
    if (tempLine == null) {
        updateTempLineAfterClick();
    }

    if (currentLineStringCoordinates != null && currentLineStringCoordinates.length > 0) {
        Coordinate[] newCoords = new Coordinate[currentLineStringCoordinates.length + 1];
        System.arraycopy(currentLineStringCoordinates, 0, newCoords, 0, currentLineStringCoordinates.length);
        newCoords[currentLineStringCoordinates.length] = getPanPosition(event);

        LineString lineString = geometry.getGeometryFactory().createLineString(newCoords);
        tempLine.setGeometry(lineString);
        mapWidget.render(tempLine, RenderGroup.VECTOR, RenderStatus.UPDATE);
    }
}