// $Id: FigSimpleState.java,v 1.15 2004/08/08 20:42:27 mvw Exp $
// Copyright (c) 1996-2004 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies.  This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason.  IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

// File: FigSimpleState.java
// Classes: FigSimpleState
// Original Author: ics 125b silverbullet team

package org.argouml.uml.diagram.state.ui;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.beans.PropertyVetoException;
import java.util.Iterator;

import org.argouml.uml.generator.ParserDisplay;
import org.tigris.gef.graph.GraphModel;
import org.tigris.gef.presentation.FigLine;
import org.tigris.gef.presentation.FigRRect;
import org.tigris.gef.presentation.FigRect;
import org.tigris.gef.presentation.FigText;

/** Class to display graphics for a UML MState in a diagram. */

public class FigSimpleState extends FigState {

    ////////////////////////////////////////////////////////////////
    // constants

    private static final int MARGIN = 2;

    ////////////////////////////////////////////////////////////////
    // instance variables

    private FigRect cover;
    private FigLine divider;


    ////////////////////////////////////////////////////////////////
    // constructors

    /**
     * The main constructor
     */
    public FigSimpleState() {
	setBigPort(new FigRRect(getInitialX() + 1, getInitialY() + 1,
			 getInitialWidth() - 2, getInitialHeight() - 2,
			 Color.cyan, Color.cyan));
	cover =
	    new FigRRect(getInitialX(), getInitialY(),
			 getInitialWidth(), getInitialHeight(),
			 Color.black, Color.white);

	getBigPort().setLineWidth(0);
	getNameFig().setLineWidth(0);
	getNameFig().setBounds(getInitialX() + 2, getInitialY() + 2,
			       getInitialWidth() - 4,
			       getNameFig().getBounds().height);
	getNameFig().setFilled(false);

	divider =
	    new FigLine(getInitialX(),
			getInitialY() + 2 + getNameFig().getBounds().height + 1,
			getInitialWidth() - 1,
			getInitialY() + 2 + getNameFig().getBounds().height + 1,
			Color.black);   

	// add Figs to the FigNode in back-to-front order
	addFig(getBigPort());
	addFig(cover);
	addFig(getNameFig());
	addFig(divider);
	addFig(getInternal());

	//setBlinkPorts(false); //make port invisble unless mouse enters
	Rectangle r = getBounds();
	setBounds(r.x, r.y, r.width, r.height);
    }

    /**
     * The constructor that hooks into an existing UML element
     * @param gm ignored
     * @param node the UML element
     */
    public FigSimpleState(GraphModel gm, Object node) {
	this();
	setOwner(node);
    }

    /**
     * @see org.argouml.uml.diagram.ui.FigNodeModelElement#placeString()
     */
    public String placeString() { return "new State"; }

    /**
     * @see java.lang.Object#clone()
     */
    public Object clone() {
	FigSimpleState figClone = (FigSimpleState) super.clone();
	Iterator it = figClone.getFigs(null).iterator();
	figClone.setBigPort((FigRRect) it.next());
	figClone.cover = (FigRect) it.next();
	figClone.setNameFig((FigText) it.next());
	figClone.divider = (FigLine) it.next();
	figClone.setInternal((FigText) it.next());
	return figClone;
    }

    ////////////////////////////////////////////////////////////////
    // accessors

    /**
     * @see org.tigris.gef.presentation.Fig#getMinimumSize()
     */
    public Dimension getMinimumSize() {
	Dimension nameDim = getNameFig().getMinimumSize();
	Dimension internalDim = getInternal().getMinimumSize();

	int h = nameDim.height + 4 + internalDim.height;
	int w = Math.max(nameDim.width + 4, internalDim.width + 4);
	return new Dimension(w, h);
    }

    /** Override setBounds to keep shapes looking right 
     * @see org.tigris.gef.presentation.Fig#setBounds(int, int, int, int)
     */
    public void setBounds(int x, int y, int w, int h) {
	if (getNameFig() == null) {
	    return;
	}
	Rectangle oldBounds = getBounds();
	Dimension nameDim = getNameFig().getMinimumSize();

	getNameFig().setBounds(x + 2, y + 2, w - 4,  nameDim.height);
	divider.setShape(x, y + nameDim.height + 1,
			  x + w - 1,
			  y + nameDim.height + 1);

	getInternal().setBounds(x + 2, y + nameDim.height + 4,
			    w - 4, h - nameDim.height - 6);

	getBigPort().setBounds(x, y, w, h);
	cover.setBounds(x, y, w, h);

	calcBounds(); //_x = x; _y = y; _w = w; _h = h;
	updateEdges();
	firePropChange("bounds", oldBounds, getBounds());
    }

    ////////////////////////////////////////////////////////////////
    // Fig accessors

    /**
     * @see org.tigris.gef.presentation.Fig#setLineColor(java.awt.Color)
     */
    public void setLineColor(Color col) {
	cover.setLineColor(col);
	divider.setLineColor(col);
    }
    
    /**
     * @see org.tigris.gef.presentation.Fig#getLineColor()
     */
    public Color getLineColor() { return cover.getLineColor(); }

    /**
     * @see org.tigris.gef.presentation.Fig#setFillColor(java.awt.Color)
     */
    public void setFillColor(Color col) { cover.setFillColor(col); }
        
    /**
     * @see org.tigris.gef.presentation.Fig#getFillColor()
     */
    public Color getFillColor() { return cover.getFillColor(); }

    /**
     * @see org.tigris.gef.presentation.Fig#setFilled(boolean)
     */
    public void setFilled(boolean f) { cover.setFilled(f); }
    
    /**
     * @see org.tigris.gef.presentation.Fig#getFilled()
     */
    public boolean getFilled() { return cover.getFilled(); }

    /**
     * @see org.tigris.gef.presentation.Fig#setLineWidth(int)
     */
    public void setLineWidth(int w) {
	cover.setLineWidth(w);
	divider.setLineWidth(w);
    }
    
    /**
     * @see org.tigris.gef.presentation.Fig#getLineWidth()
     */
    public int getLineWidth() { return cover.getLineWidth(); }


    ////////////////////////////////////////////////////////////////
    // event processing  

    /**
     * @see org.argouml.uml.diagram.ui.FigNodeModelElement#textEdited(org.tigris.gef.presentation.FigText)
     */
    public void textEdited(FigText ft) throws PropertyVetoException {
	super.textEdited(ft);
	if (ft == getInternal()) {
	    Object state = getOwner();
	    if (state == null) return;
	    String s = ft.getText();
	    ParserDisplay.SINGLETON.parseStateBody(/*(MState)*/state, s);
	}
    }
   

    /**
     * @see org.argouml.uml.diagram.state.ui.FigState#getInitialHeight()
     */
    protected int getInitialHeight() {
        return 40;
    }

    /**
     * @see org.argouml.uml.diagram.state.ui.FigState#getInitialWidth()
     */
    protected int getInitialWidth() {
        return 70;
    }

    /**
     * @see org.argouml.uml.diagram.state.ui.FigState#getInitialX()
     */
    protected int getInitialX() {
        return 0;
    }

    /**
     * @see org.argouml.uml.diagram.state.ui.FigState#getInitialY()
     */
    protected int getInitialY() {
        return 0;
    }

} /* end class FigSimpleState */