001 /* 002 Copyright (C) 2002 Renaud Pawlak <renaud@aopsys.com> 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public 015 License along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 017 USA. */ 018 019 package org.objectweb.jac.ide.diagrams; 020 021 import CH.ifa.draw.figures.ArrowTip; 022 import org.objectweb.jac.ide.RelationLink; 023 import java.awt.Color; 024 import org.objectweb.jac.aspects.gui.DisplayContext; 025 import org.objectweb.jac.core.rtti.CollectionItem; 026 import org.objectweb.jac.core.rtti.ClassRepository; 027 import org.objectweb.jac.aspects.gui.EventHandler; 028 029 030 public class RelationLinkFigure extends LinkFigure { 031 032 public RelationLinkFigure(org.objectweb.jac.ide.LinkFigure figure) { 033 super(figure); 034 } 035 public RelationLinkFigure() { 036 } 037 038 void setDecorations() { 039 if (linkFig==null) { 040 setStartDecoration(null); 041 setEndDecoration(null); 042 return; 043 } 044 RelationLink link = (RelationLink)linkFig.getLink(); 045 switch (link.getOrientation()) { 046 case RelationLink.ORIENTATION_STRAIGHT: 047 setStartDecoration(null); 048 setEndDecoration(new ArrowTip()); 049 break; 050 case RelationLink.ORIENTATION_REVERSE: 051 setStartDecoration(new ArrowTip()); 052 setEndDecoration(null); 053 break; 054 default: 055 setStartDecoration(null); 056 setEndDecoration(null); 057 } 058 if (link.isAggregation()) { 059 ArrowTip arrow = new ArrowTip(0.50, 15, 28); 060 arrow.setFillColor(Color.white); 061 setStartDecoration(arrow); 062 } 063 } 064 065 // Selectable interface 066 public void onSelect(DisplayContext context) { 067 CollectionItem coll = ClassRepository.get().getClass(Class.class) 068 .getCollection("links"); 069 EventHandler.get().onSelection( 070 context,coll,getSubstance(),null,null); 071 } 072 }