LineGraphicalRepresentation.java example

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openflexo-master
/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.fge.geomedit.gr;

import java.awt.event.MouseEvent;
import java.util.List;
import java.util.Vector;

import org.openflexo.fge.cp.ControlPoint;
import org.openflexo.fge.geom.FGEAbstractLine;
import org.openflexo.fge.geom.FGELine;
import org.openflexo.fge.geom.FGEPoint;
import org.openflexo.fge.geomedit.ComputedControlPoint;
import org.openflexo.fge.geomedit.DraggableControlPoint;
import org.openflexo.fge.geomedit.GeometricDrawing;
import org.openflexo.fge.geomedit.GeometricSet.GeomEditBuilder;
import org.openflexo.fge.geomedit.Line;
import org.openflexo.fge.geomedit.construction.ExplicitPointConstruction;
import org.openflexo.fge.geomedit.construction.HorizontalLineWithPointConstruction;
import org.openflexo.fge.geomedit.construction.LineConstruction;
import org.openflexo.fge.geomedit.construction.LineWithTwoPointsConstruction;
import org.openflexo.fge.geomedit.construction.OrthogonalLineWithPointConstruction;
import org.openflexo.fge.geomedit.construction.ParallelLineWithPointConstruction;
import org.openflexo.fge.geomedit.construction.RotatedLineWithPointConstruction;
import org.openflexo.fge.geomedit.construction.TangentLineWithCircleAndPointConstruction;
import org.openflexo.fge.geomedit.construction.VerticalLineWithPointConstruction;
import org.openflexo.xmlcode.XMLSerializable;

public class LineGraphicalRepresentation extends GeometricObjectGraphicalRepresentation<FGELine, Line> implements XMLSerializable {
	// Called for LOAD
	public LineGraphicalRepresentation(GeomEditBuilder builder) {
		this(null, builder.drawing);
		initializeDeserialization();
	}

	public LineGraphicalRepresentation(Line line, GeometricDrawing aDrawing) {
		super(line, aDrawing);
	}

	/*@Override
	public Line getDrawable() {
		// TODO Auto-generated method stub
		return super.getDrawable();
	}
	
	@Override
	public FGELine getGeometricObject() {
		// TODO Auto-generated method stub
		return super.getGeometricObject();
	}*/

	@Override
	protected List<ControlPoint> buildControlPointsForLine(FGEAbstractLine line) {
		Vector<ControlPoint> returned = new Vector<ControlPoint>();

		LineConstruction lineConstruction = getDrawable().getConstruction();

		ExplicitPointConstruction pc1 = null;
		ExplicitPointConstruction pc2 = null;

		if (lineConstruction instanceof LineWithTwoPointsConstruction) {
			if (((LineWithTwoPointsConstruction) lineConstruction).pointConstruction1 instanceof ExplicitPointConstruction) {
				pc1 = (ExplicitPointConstruction) ((LineWithTwoPointsConstruction) lineConstruction).pointConstruction1;
			}
			if (((LineWithTwoPointsConstruction) lineConstruction).pointConstruction2 instanceof ExplicitPointConstruction) {
				pc2 = (ExplicitPointConstruction) ((LineWithTwoPointsConstruction) lineConstruction).pointConstruction2;
			}
		}

		if (lineConstruction instanceof OrthogonalLineWithPointConstruction) {
			if (((OrthogonalLineWithPointConstruction) lineConstruction).pointConstruction instanceof ExplicitPointConstruction) {
				pc1 = (ExplicitPointConstruction) ((OrthogonalLineWithPointConstruction) lineConstruction).pointConstruction;
			}
		}

		if (lineConstruction instanceof ParallelLineWithPointConstruction) {
			if (((ParallelLineWithPointConstruction) lineConstruction).pointConstruction instanceof ExplicitPointConstruction) {
				pc1 = (ExplicitPointConstruction) ((ParallelLineWithPointConstruction) lineConstruction).pointConstruction;
			}
		}

		if (lineConstruction instanceof RotatedLineWithPointConstruction) {
			if (((RotatedLineWithPointConstruction) lineConstruction).pointConstruction instanceof ExplicitPointConstruction) {
				pc1 = (ExplicitPointConstruction) ((RotatedLineWithPointConstruction) lineConstruction).pointConstruction;
			}
		}

		if (lineConstruction instanceof HorizontalLineWithPointConstruction) {
			if (((HorizontalLineWithPointConstruction) lineConstruction).pointConstruction instanceof ExplicitPointConstruction) {
				pc1 = (ExplicitPointConstruction) ((HorizontalLineWithPointConstruction) lineConstruction).pointConstruction;
			}
		}

		if (lineConstruction instanceof VerticalLineWithPointConstruction) {
			if (((VerticalLineWithPointConstruction) lineConstruction).pointConstruction instanceof ExplicitPointConstruction) {
				pc1 = (ExplicitPointConstruction) ((VerticalLineWithPointConstruction) lineConstruction).pointConstruction;
			}
		}

		if (lineConstruction instanceof TangentLineWithCircleAndPointConstruction) {
			if (((TangentLineWithCircleAndPointConstruction) lineConstruction).pointConstruction instanceof ExplicitPointConstruction) {
				pc1 = (ExplicitPointConstruction) ((TangentLineWithCircleAndPointConstruction) lineConstruction).pointConstruction;
			}
		}

		if (pc1 != null) {
			returned.add(new DraggableControlPoint<FGELine>(this, "p1", line.getP1(), pc1) {
				@Override
				public boolean dragToPoint(FGEPoint newRelativePoint, FGEPoint pointRelativeToInitialConfiguration,
						FGEPoint newAbsolutePoint, FGEPoint initialPoint, MouseEvent event) {
					getGeometricObject().setP1(newAbsolutePoint);
					setPoint(newAbsolutePoint);
					notifyGeometryChanged();
					return true;
				}

				@Override
				public void update(FGELine geometricObject) {
					setPoint(geometricObject.getP1());
				}
			});
		} else {
			returned.add(new ComputedControlPoint<FGELine>(this, "p1", line.getP1()) {
				@Override
				public void update(FGELine geometricObject) {
					setPoint(geometricObject.getP1());
				}
			});
		}

		if (pc2 != null) {
			returned.add(new DraggableControlPoint<FGELine>(this, "p2", line.getP2(), pc2) {
				@Override
				public boolean dragToPoint(FGEPoint newRelativePoint, FGEPoint pointRelativeToInitialConfiguration,
						FGEPoint newAbsolutePoint, FGEPoint initialPoint, MouseEvent event) {
					getGeometricObject().setP2(newAbsolutePoint);
					setPoint(newAbsolutePoint);
					notifyGeometryChanged();
					return true;
				}

				@Override
				public void update(FGELine geometricObject) {
					setPoint(geometricObject.getP2());
				}
			});
		} else {
			returned.add(new ComputedControlPoint<FGELine>(this, "p2", line.getP1()) {
				@Override
				public void update(FGELine geometricObject) {
					setPoint(geometricObject.getP2());
				}
			});
		}

		return returned;
	}

}