DesignEdgeRenderer.java :  » UML » MetaBoss » com » metaboss » applications » designstudio » components » Java Open Source

// THIS SOFTWARE IS PROVIDED BY SOFTARIS PTY.LTD. AND OTHER METABOSS
// CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
// BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SOFTARIS PTY.LTD.
// OR OTHER METABOSS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF SOFTARIS PTY.LTD. OR OTHER METABOSS CONTRIBUTORS ARE ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Copyright 2000-2005  Softaris Pty.Ltd. All Rights Reserved.
package com.metaboss.applications.designstudio.components;

import java.awt.Color;
import java.awt.Graphics;

import org.jgraph.graph.DefaultEdge;
import org.jgraph.graph.EdgeRenderer;
import org.jgraph.graph.GraphConstants;

import com.metaboss.applications.designstudio.Application;
import com.metaboss.applications.designstudio.BaseUserObject;


public class DesignEdgeRenderer extends EdgeRenderer
{
  public Color getForeground()
  {
    Object lCell = view.getCell();
    if (lCell instanceof DefaultEdge)
    {
      Color lColor = Color.black; 
      DefaultEdge lEdge = (DefaultEdge) lCell; 
      if (lEdge.getSource()==null || lEdge.getTarget()==null)
        return Color.red;
      else
      {
        BaseUserObject lObject = (BaseUserObject)lEdge.getUserObject();
        if (lObject!=null && Application.isErrorElementID(lObject.getID()))
          return Color.red;
      }
    }        
    return super.getForeground();
  }
  
    public void paint(Graphics g)
    {
    Object lCell = view.getCell();
    if (lCell instanceof DefaultEdge)
    {
      beginFill = GraphConstants.isBeginFill(((DefaultEdge)lCell).getAttributes());
    }
        super.paint(g);
    }

}