bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/rendering/ExampleConnectionStyle.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.diagram.connection.rendering;
  13
  14 import java.awt.BasicStroke;
  15 import java.awt.Color;
  16 import java.awt.Graphics2D;
  17 import java.awt.geom.Ellipse2D;
  18 import java.awt.geom.Line2D;
  19 import java.awt.geom.Path2D;
  20 import java.io.Serializable;
  21
  22 public class ExampleConnectionStyle implements ConnectionStyle, Serializable {
  23
  24     private static final long serialVersionUID = -5799681720482456895L;
  25
  26     public final static BasicStroke SOLID =
  27             new BasicStroke(1f);
  28
  29     public final static BasicStroke BOLD =
  30             new BasicStroke(3f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL);
  31
  32         @Override
  33         public void drawLine(Graphics2D g, double x1, double y1, double x2,
  34                         double y2, boolean isTransient) {
  35                 g.setColor(Color.BLACK);
  36                 if(isTransient)
  37                         g.draw(new Line2D.Double(x1, y1, x2, y2));
  38                 else {
  39                         g.setStroke(BOLD);
  40                         g.draw(new Line2D.Double(x1, y1, x2, y2));
  41                         g.setStroke(SOLID);
  42                 }
  43         }
  44
  45         @Override
  46         public void drawPath(Graphics2D g, Path2D path, boolean isTransient) {
  47             g.setColor(Color.BLACK);
  48             if(isTransient)
  49                 g.draw(path);
  50             else {
  51                 g.setStroke(BOLD);
  52                 g.draw(path);
  53                 g.setStroke(SOLID);
  54             }
  55         }
  56
  57         @Override
  58         public void drawBranchPoint(Graphics2D g, double x, double y) {
  59                 g.setColor(Color.BLACK);
  60                 g.fill(new Ellipse2D.Double(x-3, y-3, 6, 6));
  61         }
  62
  63         @Override
  64         public void drawDegeneratedLine(Graphics2D g, double x, double y,
  65                         boolean isHorizontal, boolean isTransient) {
  66                 double d = getDegeneratedLineLength()*0.5;
  67                 if(isHorizontal)
  68                         g.draw(new Line2D.Double(x-d, y, x+d, y));
  69                 else
  70                         g.draw(new Line2D.Double(x, y-d, x, y+d));
  71         }
  72
  73         @Override
  74         public double getDegeneratedLineLength() {
  75                 return 8.0;
  76         }
  77
  78 }