--- /dev/null
+package fr.orsay.lri.varna.applications.templateEditor;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics2D;
+import java.awt.Polygon;
+import java.awt.Shape;
+import java.awt.Stroke;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import fr.orsay.lri.varna.exceptions.ExceptionEdgeEndpointAlreadyConnected;
+import fr.orsay.lri.varna.exceptions.ExceptionInvalidRNATemplate;
+import fr.orsay.lri.varna.models.templates.RNATemplate.EdgeEndPointPosition;
+import fr.orsay.lri.varna.models.templates.RNATemplate.RNATemplateElement;
+import fr.orsay.lri.varna.models.templates.RNATemplate.RNATemplateElement.EdgeEndPoint;
+
+public abstract class GraphicalTemplateElement {
+
+ public boolean _debug = false;
+ protected HashMap<RelativePosition,Color> _mainColors = new HashMap<RelativePosition,Color>();
+
+ public Color _dominantColor = new Color(0.5f,0.5f,0.5f,0.9f);
+
+ public enum RelativePosition {
+ RP_OUTER,RP_INNER_GENERAL,RP_INNER_MOVE,RP_EDIT_START,RP_EDIT_END,RP_CONNECT_START5,RP_CONNECT_START3,RP_CONNECT_END5,RP_CONNECT_END3,
+ RP_EDIT_TANGENT_3,RP_EDIT_TANGENT_5;
+ };
+
+ static final Color BACKBONE_COLOR = Color.gray;
+ static final Color CONTROL_COLOR = Color.decode("#D0D0FF");
+ static final Font NUMBER_FONT = new Font("Arial", Font.BOLD,18);
+ static final Color NUMBER_COLOR = Color.gray;
+ static final Color BASE_PAIR_COLOR = Color.blue;
+ static final Color BASE_COLOR = Color.gray;
+ static final Color BASE_FILL_COLOR = Color.white;
+ static final Color BASE_FILL_3_COLOR = Color.red;
+ static final Color BASE_FILL_5_COLOR = Color.green;
+ static final Color MAGNET_COLOR = CONTROL_COLOR;
+
+ public void setDominantColor(Color c)
+ {
+ _dominantColor = c;
+ }
+
+ public Color getDominantColor()
+ {
+ return _dominantColor;
+ }
+
+ public abstract RelativePosition getRelativePosition(double x, double y);
+
+ public abstract void draw(Graphics2D g2d, boolean selected);
+ public abstract Polygon getBoundingPolygon();
+ public abstract void translate(double x, double y);
+ public abstract RelativePosition getClosestEdge(double x, double y);
+ public abstract ArrayList<RelativePosition> getConnectedEdges();
+ public abstract RNATemplateElement getTemplateElement();
+ public void setMainColor(RelativePosition edge,Color c)
+ {
+ _mainColors.put(edge, c);
+ }
+
+ public abstract Shape getArea();
+
+ public void attach(GraphicalTemplateElement e, RelativePosition edgeOrig, RelativePosition edgeDest) throws ExceptionEdgeEndpointAlreadyConnected, ExceptionInvalidRNATemplate
+ {
+ _attachedElements.put(edgeOrig, new Couple<RelativePosition,GraphicalTemplateElement>(edgeDest,e));
+ }
+
+
+ /**
+ * Same as attach(), but without touching the underlying
+ * RNATemplateElement objects.
+ * This is useful if the underlying RNATemplate already contains edges
+ * but not the graphical template.
+ */
+ public void graphicalAttach(GraphicalTemplateElement e, RelativePosition edgeOrig, RelativePosition edgeDest)
+ {
+ _attachedElements.put(edgeOrig, new Couple<RelativePosition,GraphicalTemplateElement>(edgeDest,e));
+ }
+
+ public void detach(RelativePosition edge)
+ {
+ if (_attachedElements.containsKey(edge))
+ {
+ Couple<RelativePosition,GraphicalTemplateElement> c = _attachedElements.get(edge);
+ _attachedElements.remove(edge);
+ c.second.detach(c.first);
+ }
+ }
+ public Couple<RelativePosition,GraphicalTemplateElement> getAttachedElement(RelativePosition localedge)
+ {
+ if (_attachedElements.containsKey(localedge))
+ return _attachedElements.get(localedge);
+ return null;
+ }
+ public boolean hasAttachedElement(RelativePosition localedge)
+ {
+ return _attachedElements.containsKey(localedge);
+ }
+ public abstract EdgeEndPoint getEndPoint(RelativePosition r);
+ public abstract boolean isIn(RelativePosition r);
+
+ public void draw(Graphics2D g2d)
+ {
+ draw(g2d,false);
+ }
+
+ private HashMap<RelativePosition,Couple<RelativePosition,GraphicalTemplateElement>> _attachedElements = new HashMap<RelativePosition,Couple<RelativePosition,GraphicalTemplateElement>>();
+
+
+ private Dimension getStringDimension(Graphics2D g, String s) {
+ FontMetrics fm = g.getFontMetrics();
+ Rectangle2D r = fm.getStringBounds(s, g);
+ return (new Dimension((int) r.getWidth(), (int) fm.getAscent()
+ - fm.getDescent()));
+ }
+
+
+
+ public void drawStringCentered(Graphics2D g2, String res, double x,
+ double y) {
+ Dimension d = getStringDimension(g2, res);
+ x -= (double) d.width / 2.0;
+ y += (double) d.height / 2.0;
+ if (_debug)
+ g2.drawRect((int) x, (int) y - d.height, d.width, d.height);
+ g2.drawString(res, (int) Math.round(x), (int) Math.round(y));
+ }
+
+ protected Stroke _boldStroke = new BasicStroke(2.5f, BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND, 3.0f);
+ protected Stroke _solidStroke = new BasicStroke(1.5f, BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND, 3.0f);
+ private float[] dash = { 5.0f, 5.0f };
+ protected Stroke _dashedStroke = new BasicStroke(1.5f, BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND, 3.0f, dash, 0);
+
+ public abstract RelativePosition getConnectedEdge(RelativePosition edge);
+ public abstract Point2D.Double getEdgePosition(RelativePosition edge);
+ public abstract void setEdgePosition(RelativePosition edge, Point2D.Double pos);
+ public abstract RelativePosition relativePositionFromEdgeEndPointPosition(EdgeEndPointPosition endPointPosition);
+
+ public static boolean canConnect(GraphicalTemplateElement el1, RelativePosition e1,GraphicalTemplateElement el2, RelativePosition e2)
+ {
+ return (!el1.hasAttachedElement(e1))&&(!el2.hasAttachedElement(e2))&&(el1.isIn(e1)!=el2.isIn(e2));
+ }
+
+
+ protected void drawMove(Graphics2D g2d, Point2D.Double center)
+ {
+ g2d.setStroke(_solidStroke);
+ g2d.setColor(CONTROL_COLOR);
+ g2d.fillOval((int)((center.x-Helix.MOVE_RADIUS)), (int)((center.y-Helix.MOVE_RADIUS)), (int)(2.0*Helix.MOVE_RADIUS), (int)(2.0*Helix.MOVE_RADIUS));
+ g2d.setColor(BACKBONE_COLOR);
+ g2d.drawOval((int)((center.x-Helix.MOVE_RADIUS)), (int)((center.y-Helix.MOVE_RADIUS)), (int)(2.0*Helix.MOVE_RADIUS), (int)(2.0*Helix.MOVE_RADIUS));
+ double arrowLength = Helix.MOVE_RADIUS-2.0;
+ double width = 3.0;
+ drawArrow(g2d,center,new Point2D.Double(center.x+arrowLength,center.y),width);
+ drawArrow(g2d,center,new Point2D.Double(center.x-arrowLength,center.y),width);
+ drawArrow(g2d,center,new Point2D.Double(center.x,center.y+arrowLength),width);
+ drawArrow(g2d,center,new Point2D.Double(center.x,center.y-arrowLength),width);
+ }
+
+ protected void drawEditStart(Graphics2D g2d, Helix h, double dx,double dy,double nx,double ny)
+ {
+ Point2D.Double center = h.getCenterEditStart();
+ drawEdit(g2d, center, dx,dy,nx,ny);
+ }
+ protected void drawEditEnd(Graphics2D g2d, Helix h, double dx,double dy,double nx,double ny)
+ {
+ Point2D.Double center = h.getCenterEditEnd();
+ drawEdit(g2d, center, dx,dy,nx,ny);
+ }
+
+ protected void drawEdit(Graphics2D g2d, Point2D.Double center, double dx,double dy,double nx,double ny)
+ {
+ g2d.setColor(CONTROL_COLOR);
+ g2d.fillOval((int)((center.x-Helix.EDIT_RADIUS)), (int)((center.y-Helix.EDIT_RADIUS)), (int)(2.0*Helix.EDIT_RADIUS), (int)(2.0*Helix.EDIT_RADIUS));
+ g2d.setColor(BACKBONE_COLOR);
+ g2d.drawOval((int)((center.x-Helix.EDIT_RADIUS)), (int)((center.y-Helix.EDIT_RADIUS)), (int)(2.0*Helix.EDIT_RADIUS), (int)(2.0*Helix.EDIT_RADIUS));
+ double arrowLength = Helix.EDIT_RADIUS-2.0;
+ double width = 3.0;
+ drawArrow(g2d,center,new Point2D.Double(center.x+nx*arrowLength,center.y+ny*arrowLength),width);
+ drawArrow(g2d,center,new Point2D.Double(center.x-nx*arrowLength,center.y-ny*arrowLength),width);
+ drawArrow(g2d,center,new Point2D.Double(center.x+dx*arrowLength,center.y+dy*arrowLength),width);
+ drawArrow(g2d,center,new Point2D.Double(center.x-dx*arrowLength,center.y-dy*arrowLength),width);
+ }
+
+ protected void drawArrow(Graphics2D g2d, Point2D.Double orig, Point2D.Double dest, double width)
+ {
+ g2d.setStroke(_solidStroke);
+ g2d.drawLine((int)orig.x,(int)orig.y,(int)dest.x,(int)dest.y);
+ double dx = (orig.x-dest.x)/(orig.distance(dest));
+ double dy = (orig.y-dest.y)/(orig.distance(dest));
+ double nx = dy;
+ double ny = -dx;
+ g2d.drawLine((int)dest.x,(int)dest.y,(int)(dest.x-width*(-dx+nx)),(int)(dest.y-width*(-dy+ny)));
+ g2d.drawLine((int)dest.x,(int)dest.y,(int)(dest.x-width*(-dx-nx)),(int)(dest.y-width*(-dy-ny)));
+ }
+
+
+
+ protected void drawAnchor(Graphics2D g2d, Point2D.Double p)
+ { drawAnchor(g2d,p,CONTROL_COLOR); }
+
+ protected void drawAnchor5(Graphics2D g2d, Point2D.Double p)
+ { drawAnchor(g2d,p,BASE_FILL_5_COLOR); }
+
+ protected void drawAnchor3(Graphics2D g2d, Point2D.Double p)
+ { drawAnchor(g2d,p,BASE_FILL_3_COLOR); }
+
+ protected void drawAnchor(Graphics2D g2d, Point2D.Double p, Color c)
+ {
+ g2d.setColor(c);
+ g2d.fillOval((int)(p.x-Helix.EDGE_BASE_RADIUS),(int)(p.y-Helix.EDGE_BASE_RADIUS),(int)(2.0*Helix.EDGE_BASE_RADIUS),(int)(2.0*Helix.EDGE_BASE_RADIUS));
+ g2d.setColor(BASE_COLOR);
+ g2d.drawOval((int)(p.x-Helix.EDGE_BASE_RADIUS),(int)(p.y-Helix.EDGE_BASE_RADIUS),(int)(2.0*Helix.EDGE_BASE_RADIUS),(int)(2.0*Helix.EDGE_BASE_RADIUS));
+
+ }
+
+ protected void drawMagnet(Graphics2D g2d, Point2D.Double p)
+ {
+ drawAnchor(g2d, p, MAGNET_COLOR);
+ g2d.setColor(BASE_COLOR);
+ g2d.drawOval((int)(p.x-Helix.EDGE_BASE_RADIUS),(int)(p.y-Helix.EDGE_BASE_RADIUS),(int)(2.0*Helix.EDGE_BASE_RADIUS),(int)(2.0*Helix.EDGE_BASE_RADIUS));
+ g2d.drawOval((int)(p.x-2),(int)(p.y-2),(int)(2.0*2),(int)(2.0*2));
+
+ }
+
+
+
+ protected void drawBase(Graphics2D g2d, Point2D.Double p)
+ {
+ g2d.setColor(BASE_FILL_COLOR);
+ g2d.fillOval((int)(p.x-Helix.BASE_RADIUS),(int)(p.y-Helix.BASE_RADIUS),(int)(2.0*Helix.BASE_RADIUS),(int)(2.0*Helix.BASE_RADIUS));
+ g2d.setColor(BASE_COLOR);
+ g2d.drawOval((int)(p.x-Helix.BASE_RADIUS),(int)(p.y-Helix.BASE_RADIUS),(int)(2.0*Helix.BASE_RADIUS),(int)(2.0*Helix.BASE_RADIUS));
+ }
+
+ public boolean equals(Object b)
+ {
+ if (b instanceof GraphicalTemplateElement)
+ {
+ return b==this;
+ }
+ else
+ return false;
+ }
+
+}