/*
Violet - A program for editing UML diagrams.
Copyright (C) 2002 Cay S. Horstmann (http://horstmann.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.horstmann.violet;
import java.awt.Graphics2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import com.horstmann.violet.framework.Graph;
import com.horstmann.violet.framework.Grid;
import com.horstmann.violet.framework.MultiLineString;
import com.horstmann.violet.framework.Node;
import com.horstmann.violet.framework.RectangularNode;
/**
An interface node in a class diagram.
*/
public class InterfaceNode extends RectangularNode
{
/**
Construct an interface node with a default size and
the text <<interface>>.
*/
public InterfaceNode()
{
name = new MultiLineString();
name.setSize(MultiLineString.LARGE);
name.setText("\u00ABinterface\u00BB");
methods = new MultiLineString();
methods.setJustification(MultiLineString.LEFT);
setBounds(new Rectangle2D.Double(0, 0, DEFAULT_WIDTH, DEFAULT_HEIGHT));
midHeight = DEFAULT_COMPARTMENT_HEIGHT;
botHeight = DEFAULT_COMPARTMENT_HEIGHT;
}
public void draw(Graphics2D g2)
{
super.draw(g2);
Rectangle2D top = new Rectangle2D.Double(getBounds().getX(),
getBounds().getY(), getBounds().getWidth(),
getBounds().getHeight() - midHeight - botHeight);
g2.draw(top);
name.draw(g2, top);
Rectangle2D mid = new Rectangle2D.Double(top.getX(),
top.getMaxY(), top.getWidth(), midHeight);
g2.draw(mid);
Rectangle2D bot = new Rectangle2D.Double(top.getX(),
mid.getMaxY(), top.getWidth(), botHeight);
g2.draw(bot);
methods.draw(g2, bot);
}
public void layout(Graph g, Graphics2D g2, Grid grid)
{
Rectangle2D min = new Rectangle2D.Double(0, 0,
DEFAULT_WIDTH, DEFAULT_COMPARTMENT_HEIGHT);
Rectangle2D top = name.getBounds(g2);
top.add(min);
Rectangle2D bot = methods.getBounds(g2);
botHeight = bot.getHeight();
if (botHeight == 0)
{
top.add(new Rectangle2D.Double(0, 0,
DEFAULT_WIDTH,
DEFAULT_HEIGHT));
midHeight = 0;
}
else
{
bot.add(min);
midHeight = DEFAULT_COMPARTMENT_HEIGHT;
botHeight = bot.getHeight();
}
Rectangle2D b = new Rectangle2D.Double(
getBounds().getX(), getBounds().getY(),
Math.max(top.getWidth(), bot.getWidth()),
top.getHeight() + midHeight + botHeight);
grid.snap(b);
setBounds(b);
}
public boolean addNode(Node n, Point2D p)
{
return n instanceof PointNode;
}
/**
Sets the name property value.
@param newValue the interface name
*/
public void setName(MultiLineString newValue)
{
name = newValue;
}
/**
Gets the name property value.
@return the interface name
*/
public MultiLineString getName()
{
return name;
}
/**
Sets the methods property value.
@param newValue the methods of this interface
*/
public void setMethods(MultiLineString newValue)
{
methods = newValue;
}
/**
Gets the methods property value.
@return the methods of this interface
*/
public MultiLineString getMethods()
{
return methods;
}
public Object clone()
{
InterfaceNode cloned = (InterfaceNode)super.clone();
cloned.name = (MultiLineString)name.clone();
cloned.methods = (MultiLineString)methods.clone();
return cloned;
}
private double midHeight;
private double botHeight;
private MultiLineString name;
private MultiLineString methods;
private static int DEFAULT_COMPARTMENT_HEIGHT = 20;
private static int DEFAULT_WIDTH = 100;
private static int DEFAULT_HEIGHT = 60;
}