tech.tablesaw.plotly.components.threeD.Camera Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of tablesaw-jsplot Show documentation

There is a newer version: 0.43.1

package tech.tablesaw.plotly.components.threeD;

import com.mitchellbosecke.pebble.error.PebbleException;
import com.mitchellbosecke.pebble.template.PebbleTemplate;
import tech.tablesaw.plotly.components.Component;

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.HashMap;
import java.util.Map;

public class Camera extends Component {

    private final Center center;
    private final Up up;
    private final Eye eye;

    private Camera(CameraBuilder builder) {
        this.eye = builder.eye;
        this.up = builder.up;
        this.center = builder.center;
    }

    private Map getContext() {
        Map context = new HashMap<>();
        context.put("up", up);
        context.put("eye", eye);
        context.put("center", center);
        return context;
    }

    @Override
    public String asJavascript() {
        Writer writer = new StringWriter();
        PebbleTemplate compiledTemplate;
        try {
            compiledTemplate = engine.getTemplate("camera_template.html");

            compiledTemplate.evaluate(writer, getContext());
        } catch (PebbleException | IOException e) {
            e.printStackTrace();
        }
        return writer.toString();
    }

    public CameraBuilder cameraBuilder() {
        return new CameraBuilder();
    }

    public static class CameraBuilder {

        private Center center;
        private Up up;
        private Eye eye;

        public CameraBuilder xAxis(Center center) {
            this.center = center;
            return this;
        }

        public CameraBuilder yAxis(Up up) {
            this.up = up;
            return this;
        }

        public CameraBuilder zAxis(Eye eye) {
            this.eye = eye;
            return this;
        }

        public Camera build() {
            return new Camera(this);
        }
    }
}