/*
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.Dimension;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.GeneralPath;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.List;
import javax.swing.JLabel;
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;
/**
A package node in a UML diagram.
*/
public class PackageNode extends RectangularNode
{
/**
Construct a package node with a default size
*/
public PackageNode()
{
name = "";
contents = new MultiLineString();
setBounds(new Rectangle2D.Double(0, 0, DEFAULT_WIDTH, DEFAULT_HEIGHT));
top = new Rectangle2D.Double(0, 0, DEFAULT_TOP_WIDTH, DEFAULT_TOP_HEIGHT);
bot = new Rectangle2D.Double(0, DEFAULT_TOP_HEIGHT, DEFAULT_WIDTH, DEFAULT_HEIGHT - DEFAULT_TOP_HEIGHT);
}
public void draw(Graphics2D g2)
{
super.draw(g2);
Rectangle2D bounds = getBounds();
label.setText("<html>" + name + "</html>");
label.setFont(g2.getFont());
Dimension d = label.getPreferredSize();
label.setBounds(0, 0, d.width, d.height);
g2.draw(top);
double textX = bounds.getX() + NAME_GAP;
double textY = bounds.getY() + (top.getHeight() - d.getHeight()) / 2;
g2.translate(textX, textY);
label.paint(g2);
g2.translate(-textX, -textY);
g2.draw(bot);
contents.draw(g2, bot);
}
public Shape getShape()
{
GeneralPath path = new GeneralPath();
path.append(top, false);
path.append(bot, false);
return path;
}
public void layout(Graph g, Graphics2D g2, Grid grid)
{
Rectangle2D bounds = getBounds();
label.setText("<html>" + name + "</html>");
label.setFont(g2.getFont());
Dimension d = label.getPreferredSize();
top = new Rectangle2D.Double(bounds.getX(), bounds.getY(),
Math.max(d.getWidth(), DEFAULT_TOP_WIDTH),
Math.max(d.getHeight(), DEFAULT_TOP_HEIGHT));
bot = contents.getBounds(g2);
Rectangle2D min = new Rectangle2D.Double(0, 0,
DEFAULT_WIDTH, DEFAULT_HEIGHT - DEFAULT_TOP_HEIGHT);
bot.add(min);
double width = Math.max(top.getWidth() + DEFAULT_WIDTH - DEFAULT_TOP_WIDTH, bot.getWidth());
double height = top.getHeight() + bot.getHeight();
List children = getChildren();
if (children.size() > 0)
{
Rectangle2D childBounds = new Rectangle2D.Double(
bounds.getX(), bounds.getY(), 0, 0);
for (int i = 0; i < children.size(); i++)
{
Node child = (Node)children.get(i);
child.layout(g, g2, grid);
childBounds.add(child.getBounds());
}
width = Math.max(width,
childBounds.getWidth() + XGAP);
height = Math.max(height,
childBounds.getHeight() + YGAP);
}
Rectangle2D b = new Rectangle2D.Double(
bounds.getX(), bounds.getY(), width, height);
grid.snap(b);
setBounds(b);
top = new Rectangle2D.Double(
bounds.getX(), bounds.getY(),
Math.max(d.getWidth() + 2 * NAME_GAP, DEFAULT_TOP_WIDTH),
Math.max(d.getHeight(), DEFAULT_TOP_HEIGHT));
bot = new Rectangle2D.Double(bounds.getX(),
bounds.getY() + top.getHeight(),
bounds.getWidth(), bounds.getHeight() - top.getHeight());
}
/**
Sets the name property value.
@param newValue the class name
*/
public void setName(String newValue)
{
name = newValue;
}
/**
Gets the name property value.
@return the class name
*/
public String getName()
{
return name;
}
/**
Sets the contents property value.
@param newValue the contents of this class
*/
public void setContents(MultiLineString newValue)
{
contents = newValue;
}
/**
Gets the contents property value.
@return the contents of this class
*/
public MultiLineString getContents()
{
return contents;
}
public Object clone()
{
PackageNode cloned = (PackageNode)super.clone();
cloned.contents = (MultiLineString)contents.clone();
return cloned;
}
public boolean addNode(Node n, Point2D p)
{
if (n instanceof ClassNode || n instanceof InterfaceNode || n instanceof PackageNode)
{
addChild(n);
return true;
}
else
return n instanceof NoteNode;
}
private String name;
private MultiLineString contents;
private Rectangle2D top;
private Rectangle2D bot;
private static int DEFAULT_TOP_WIDTH = 60;
private static int DEFAULT_TOP_HEIGHT = 20;
private static int DEFAULT_WIDTH = 100;
private static int DEFAULT_HEIGHT = 80;
private static final int NAME_GAP = 3;
private static final int XGAP = 5;
private static final int YGAP = 5;
private static JLabel label = new JLabel();
}