StreamerLoader.java

package net.sf.openrocket.preset.loader;

import net.sf.openrocket.material.Material;
import net.sf.openrocket.preset.ComponentPreset;
import net.sf.openrocket.preset.ComponentPreset.Type;
import net.sf.openrocket.preset.TypedPropertyMap;

import java.io.File;

public class StreamerLoader extends BaseComponentLoader {

	private final MaterialHolder materials;

	public StreamerLoader(MaterialHolder theMaterials, File theBasePath) {
		super(theMaterials, theBasePath);
		materials = theMaterials;

        //The base component loader adds a bulk material loader, which is incompatible with the surface loader
        //for a streamer.  Remove the file column parser here so we can set your own in the code that follows.
        for (int i = 0; i < fileColumns.size(); i++) {
            RocksimComponentFileColumnParser rocksimComponentFileColumnParser = fileColumns.get(i);
            if (rocksimComponentFileColumnParser instanceof MaterialColumnParser) {
                fileColumns.remove(rocksimComponentFileColumnParser);
            }
        }

		fileColumns.add(new SurfaceMaterialColumnParser(materials,"Material",ComponentPreset.MATERIAL));
		fileColumns.add(new DoubleUnitColumnParser("Length","Units",ComponentPreset.LENGTH));
		fileColumns.add(new DoubleUnitColumnParser("Width","Units",ComponentPreset.WIDTH));
		fileColumns.add(new DoubleUnitColumnParser("Thickness","Units",ComponentPreset.THICKNESS));
	}


	@Override
	protected Type getComponentPresetType() {
		return ComponentPreset.Type.STREAMER;
	}


	@Override
	protected RocksimComponentFileType getFileType() {
		return RocksimComponentFileType.STREAMER;
	}


	@Override
	protected void postProcess(TypedPropertyMap props) {
		super.postProcess(props);

		// Fix the material since some files use bulk materials for streamers.
		Double thickness = props.get( ComponentPreset.THICKNESS );
		Material.Surface myMaterial = (Material.Surface) props.get( ComponentPreset.MATERIAL );

		Material.Surface m = materials.getSurfaceMaterial(myMaterial, thickness);

		props.put(ComponentPreset.MATERIAL, m!=null? m : myMaterial);
	}

}