/* Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
 * 
 * ludovic.apvrille AT enst.fr
 * 
 * This software is a computer program whose purpose is to allow the
 * edition of TURTLE analysis, design and deployment diagrams, to
 * allow the generation of RT-LOTOS or Java code from this diagram,
 * and at last to allow the analysis of formal validation traces
 * obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
 * from INRIA Rhone-Alpes.
 * 
 * This software is governed by the CeCILL  license under French law and
 * abiding by the rules of distribution of free software.  You can  use,
 * modify and/ or redistribute the software under the terms of the CeCILL
 * license as circulated by CEA, CNRS and INRIA at the following URL
 * "http://www.cecill.info".
 * 
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
 * 
 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean  that it is complicated to manipulate,  and  that  also
 * therefore means  that it is reserved for developers  and  experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and,  more generally, to use and operate it in the
 * same conditions as regards security.
 * 
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL license and that you accept its terms.
 */




package ui.tmlad;

import myutil.GraphicLib;
import ui.*;
import ui.util.IconManager;

import javax.swing.*;
import java.awt.*;
import java.awt.geom.Line2D;

/**
 * Class TMLADForLoop
 *For loop of a TML activity diagram
 * Creation: 21/11/2005
 * @version 1.0 21/11/2005
 * @author Ludovic APVRILLE
 */
public class TMLADForStaticLoop extends TGCWithoutInternalComponent implements EmbeddedComment, AllowedBreakpoint, BasicErrorHighlight {
    private final static String IN_LOOP = "inside loop";
    private final static String EXIT_LOOP = "exit loop";

    protected int lineLength = 5;
    protected int textX =  5;
    protected int textY =  15;
    protected int arc = 5;
    protected String valueLoop = "";

    protected int stateOfError = 0; // Not yet checked

    public TMLADForStaticLoop(int _x, int _y, int _minX, int _maxX, int _minY, int _maxY, boolean _pos, TGComponent _father, TDiagramPanel _tdp)  {
        super(_x, _y, _minX, _maxX, _minY, _maxY, _pos, _father, _tdp);

        width = 30;
        height = 20;
        minWidth = 30;

        nbConnectingPoint = 3;
        connectingPoint = new TGConnectingPoint[3];
        connectingPoint[0] = new TGConnectingPointTMLAD(this, 0, -lineLength, true, false, 0.5, 0.0);
        connectingPoint[1] = new TGConnectingPointTMLAD(this, 0, lineLength, false, true, 1.0, 0.45); // loop
        connectingPoint[2] = new TGConnectingPointTMLAD(this, 0, lineLength, false, true, 0.5, 1.0); // after lopp

        moveable = true;
        editable = true;
        removable = true;

        value = "10";
        name = "for loop";

        myImageIcon = IconManager.imgic912;
    }

    public void makeValueLoop() {
        valueLoop = "Loop " + value + " times";
    }

    public void internalDrawing(Graphics g) {

        if (valueLoop.length() == 0) {
            makeValueLoop();
        }
        int w  = g.getFontMetrics().stringWidth(valueLoop);
        int w1 = Math.max(minWidth, w + 2 * textX);
        if ((w1 != width) & (!tdp.isScaled())) {
            setCd(x + width/2 - w1/2, y);
            width = w1;
            //updateConnectingPoints();
        }

        if (stateOfError > 0)  {
            Color c = g.getColor();
            switch(stateOfError) {
            case ErrorHighlight.OK:
                g.setColor(ColorManager.FOR);
                break;
            default:
                g.setColor(ColorManager.UNKNOWN_BOX_ACTION);
            }
            g.fillRoundRect(x, y, width, height, arc, arc);
            g.setColor(c);
        }

        g.drawRoundRect(x, y, width, height, arc, arc);
        g.drawLine(x+(width/2), y, x+(width/2), y - lineLength);
        g.drawLine(x+(width/2), y+height, x+(width/2), y + lineLength + height);
        //g.drawLine(x+width, y+height/2, x+width +lineLength, y+height/2);

        g.drawString(valueLoop, x + (width - w) / 2 , y + textY);

	//info on loops
	g.drawString(IN_LOOP, x+width+2, y+height/2);
	g.drawString(EXIT_LOOP, x+width/2+2, y+height+10);
	
    }

    public boolean editOndoubleClick(JFrame frame) {
        String text = "Static for loop : ";
        String s = (String)JOptionPane.showInputDialog(frame, text,
                                                       "Setting value", JOptionPane.PLAIN_MESSAGE, IconManager.imgic101,
                                                       null,
                                                       getValue());

        if (s != null) {
            s = s.trim();
        }

        //System.out.println("emptytext=" + emptyText);

        if ((s != null) && (s.length() > 0) && (s.matches("\\d*"))) {
            setValue(s);
            makeValueLoop();
            //System.out.println("Value ok");
            return true;
        }

        return false;
    }

    public TGComponent isOnMe(int _x, int _y) {
        if (GraphicLib.isInRectangle(_x, _y, x, y, width, height)) {
            return this;
        }

        if ((int)(Line2D.ptSegDistSq(x+(width/2), y-lineLength, x+(width/2), y + lineLength + height, _x, _y)) < distanceSelected) {
            return this;
        }

        if ((int)(Line2D.ptSegDistSq(x+width, y+height/2, x+width +lineLength, y+height/2, _x, _y)) < distanceSelected) {
            return this;
        }

        return null;
    }


    public int getType() {
        return TGComponentManager.TMLAD_FOR_STATIC_LOOP;
    }

    public int getDefaultConnector() {
        return TGComponentManager.CONNECTOR_TMLAD;
    }

    public void setStateAction(int _stateAction) {
        stateOfError = _stateAction;
    }
}