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Author: kevinlano

ACLineData.java

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+/*
+      * Classname : ACLineData
+      * 
+      * Version information : 1
+      *
+      * Date
+      * 
+      * Description : Contains methods for drawing 
+      * lines for the 
+      * association classes
+      */
+/******************************
+* Copyright (c) 2003,2019 Kevin Lano
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License 2.0 which is available at
+* http://www.eclipse.org/legal/epl-2.0
+*
+* SPDX-License-Identifier: EPL-2.0
+* *****************************/
+
+/* Package: GUI */ 
+
+import java.awt.*;
+import javax.swing.*;
+import java.awt.geom.*;
+import java.util.Vector;
+
+public class ACLineData extends LineData
+{  // coordinates of start and end points of the line
+  
+  RectData myclass; 
+  
+  final static BasicStroke solid = stroke; 
+  
+  public ACLineData(int xs, int ys, int xe, 
+                    int ye, int linecount, int type, RectData rd) 
+  { super(xs,ys,xe,ye,linecount,type); 
+    myclass = rd; 
+  }
+
+  public Object clone() 
+  { String cnt = label.substring(1,label.length()-1); 
+    int count = 0; 
+    try { count = Integer.parseInt(cnt); } 
+    catch (Exception e) 
+    { count = 0; } 
+
+    ACLineData ld = 
+      new ACLineData(xstart, ystart, xend, 
+                     yend, count, linetype, myclass); 
+    ld.setTransition(transition);
+    ld.setFlow(flow); 
+    ld.setModelElement(modelElement); 
+    return ld; 
+  } 
+
+  private void drawClass(Graphics2D g)
+  { // draw dashed line down from midpoint, to a class
+    int midx = (xstart + xend)/2; 
+    int midy = (ystart + yend)/2; 
+    g.setStroke(dashed); 
+    g.drawLine(midx,midy,midx,midy+25); 
+    g.setStroke(solid); 
+    if (myclass != null)
+    { myclass.changePosition(0,0,midx - 10, midy+25); 
+      myclass.drawData(g); 
+    }
+  } 
+
+  private void drawClass(Graphics g)
+  { // draw dashed line down from midpoint, to a class
+    int midx = (xstart + xend)/2; 
+    int midy = (ystart + yend)/2; 
+    // g.setStroke(dashed); 
+    g.drawLine(midx,midy,midx,midy+25); 
+    // g.setStroke(solid); 
+    if (myclass != null)
+    { myclass.changePosition(0,0,midx - 10, midy+25); 
+      myclass.drawData(g); 
+    }
+  }
+
+  void drawData(Graphics2D g) 
+  { if (LineLength() > 5) 
+    { g.setColor(Color.black); 
+      if (linetype == 1)
+      { g.setStroke(dashed); }
+      g.drawLine(xstart,ystart,xend,yend);
+      g.setStroke(stroke);
+      g.draw(new Line2D.Double(arrow1x,arrow1y,
+             (double) xend,(double) yend));
+      g.draw(new Line2D.Double(arrow2x,arrow2y,
+             (double) xend,(double) yend)); 
+       
+      if (modelElement != null) 
+      { Association ast = (Association) modelElement;
+        String role1 = ast.getRole1();
+        String role2 = ast.getRole2();
+        boolean ord = ast.isOrdered();
+        if (ord) { role2 = role2 + " { ordered }"; }
+        if (ast.isFrozen())
+        { role2 = role2 + " { frozen }"; } 
+        else if (ast.isAddOnly())
+        { role2 = role2 + " { addOnly }"; } // and derived
+        if (ast.isDerived())
+        { role2 = "/" + role2; } 
+        FontMetrics fm = g.getFontMetrics();
+        int xoffset = fm.stringWidth(role2); 
+        String c1 =
+          ModelElement.convertCard(ast.getCard1()); 
+        String c2 =
+          ModelElement.convertCard(ast.getCard2());
+        if (role1 != null)
+        { g.drawString(role1,xstart+5,ystart-5); }
+        if (role2 != null)
+        { g.drawString(role2,(int) role2x - leftright*xoffset,(int) role2y); }
+        g.drawString(c1,(int) card1x,(int) card1y); 
+        g.drawString(c2,(int) card2x,(int) card2y);
+        g.drawString(ast.getName(), (int) (xend + xstart)/2, 
+                                    (int) (yend + ystart)/2);
+        if (myclass != null)
+        { drawClass(g); } 
+      }
+    }
+  }
+
+  void drawData(Graphics g) 
+  { if (LineLength() > 5)
+    { g.setColor(Color.black);
+      // if (linetype == 1)
+      // { g.setStroke(dashed); }
+      g.drawLine(xstart,ystart,xend,yend);
+      // g.setStroke(stroke);
+      g.drawLine((int) arrow1x,(int) arrow1y,xend,yend);
+      g.drawLine((int) arrow2x,(int) arrow2y,xend,yend);
+      
+      if (modelElement != null)
+      { Association ast = (Association) modelElement;
+        String role1 = ast.getRole1();
+        String role2 = ast.getRole2();
+        if (ast.isOrdered()) 
+        { role2 = role2 + " { ordered }"; }
+        if (ast.isFrozen())
+        { role2 = role2 + " { frozen }"; } 
+        else if (ast.isAddOnly())
+        { role2 = role2 + " { addOnly }"; } // and derived
+        String c1 = 
+          ModelElement.convertCard(ast.getCard1()); 
+        String c2 =
+          ModelElement.convertCard(ast.getCard2());
+        if (role1 != null)
+        { g.drawString(role1,xstart+5,ystart-5); }
+        if (role2 != null)
+        { g.drawString(role2,(int) role2x,(int) role2y); }
+        g.drawString(c1,xstart+5,ystart+8); 
+        g.drawString(c2,(int) card2x,(int) card2y);
+        if (myclass != null)
+        { drawClass(g); } 
+      }
+    }
+  } 
+}
+
+