// Medusa is a graph viewer which allows interactive editing of networks
// (edges and nodes) and also connects to databases.
//
// Copyright (C) 2006 Sean Hooper
//
// 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 medusa.applet;

//import TimeNet.Stringlet;
import java.awt.BorderLayout;
import java.awt.Graphics;
import javax.swing.JApplet;
import java.awt.event.ItemListener;
import java.awt.event.ActionListener;
import java.awt.Color;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import javax.swing.JCheckBox;
import java.awt.event.ActionEvent;
import java.awt.event.ItemEvent;
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import medusa.*;
import medusa.dataio.DataLoader;
import medusa.display.BasicGraphPanel;
import medusa.georgios.Layouts.Layouts;
import medusa.graph.Graph;



/**
 * MedusaLite is an applet version of medusa.
 * The parameters required are very strict, since the applet will probably be used
 * as a complement to a webserver and the data will be generated by scripts.
 *
 *
 * 
 * 
 * 
 * 
 *  
 * 
 * 
 * 
Lightweight network viewer
 * 
 
 * 
 *
 * 
 *
 * 
 *
 *   

 * 
 * 
 * @author Sean Hooper
 * @version 1.0
 */
public class MedusaLite extends JApplet
        implements ItemListener, ActionListener{
    
    final Color babyBlue=new Color(230,226,230);
    public BasicGraphPanel panel;
    private MedusaSettings stringSettings;
    //InfoPanel infoPanel;
    private JScrollPane jScrollPane;
    //Image image;
    public JPanel controlPanel = new JPanel();
    private int xParam;
    private int yParam;
    JCheckBox relax=new JCheckBox("Relax",false);
    JCheckBox pretty=new JCheckBox("Edge colours",true);
    JCheckBox names = new JCheckBox("Labels", true);
    JMenuBar jMenuBar1 = new javax.swing.JMenuBar();
    JMenuItem randomButton = new JMenuItem("Random");
    JMenu layout_menu = new JMenu("Layout");
    JMenu clustering_menu = new JMenu("Clustering");
    JMenuItem circularButton = new JMenuItem("Circular");
    JMenuItem gridButton = new JMenuItem("Grid");
    JMenuItem hierarchicalButton = new JMenuItem("Hierarchical");
    JMenuItem geometryButton = new JMenuItem("Distance Geometry");
    JMenuItem kmeansButton = new JMenuItem("k-means");
    JMenuItem affinityButton = new JMenuItem("Affinity Propagation");
    JMenuItem mclButton = new JMenuItem("Markov Clustering");
    JMenuItem predefinedButton = new JMenuItem("Predefined Clustering");
    JMenuItem frButton = new JMenuItem("Fruchterman");
    JMenuItem imageButton = new JMenuItem("Export");
    
    public void initPanel(){
        System.out.println("Initializing MedusaAppletPanel");
        String settingsParam=getParameter("settings");
        
        setLocalStringSettings(new MedusaSettings(settingsParam));
        
        String linkStart=getParameter("linkStart");
        String linkEnd=getParameter("linkEnd");
        System.out.println(linkStart);
        //MedusaAppletPanel panel=new MedusaAppletPanel(getLocalStringSettings(), this, linkStart, linkEnd);
        
        setPanel(new MedusaAppletPanel(getLocalStringSettings(), this, linkStart, linkEnd));
        getPanel().stop();
    }
    
    
    public void init(){
        // first, lets find out how large the panel should be.
        int myX=getParameter("X")==null ? 900:Integer.parseInt(getParameter("X"));
        int myY=getParameter("Y")==null ? 900:Integer.parseInt(getParameter("Y"));
        
        // check the size
        System.out.println("size: "+myX+" "+myY);

  
        // create panels and such
        initPanel();

        
        // get the dataloader and set the size
        DataLoader dl = new DataLoader(myX,myY);
        
        // get the graph
        String edges = getParameter("edges");
        String nodes = getParameter("nodes");
        Graph g = dl.readParameters(edges,nodes);
        
        // check if g is null. that should not be the case.
        if (g==null)
            throw new RuntimeException("Graph is null!");
        
        // convert node positions to pixel position
        dl.convertToRealDistances(g);
        
        // add the graph to the panel
        panel.setGraph(g);
        
        // set things such as arrows, interactions etc
        setPrefs();
        
        // lay out the graph if necessary
        String layoutParam=getParameter("layout");
        if (layoutParam!=null){
            if (layoutParam.compareTo("true")==0){
                getPanel().energy();
            }
        }
        
        // add the panels to the applet frame
        Container content = getContentPane();
        content.setLayout(new BorderLayout());
        setJScrollPane(new JScrollPane(getPanel()));
        content.add("Center", getJScrollPane());
               
        controlPanel=new JPanel();
        populateControlPanel();
        
        content.add("South",controlPanel);

        //pack();
        
       
    }
    
    public void setPrefs(){
        //netPanel.setImage(image);
        getPanel().setPretty(true);
        getPanel().setArrows(false);
        getPanel().setLabel(true);
        getPanel().setConfidence(true);
        getPanel().setCool(true);
        getPanel().repaint();
        
    }
    
    public void populateControlPanel(){
        controlPanel.setLayout(new GridLayout(1,5));
        controlPanel.setBackground(babyBlue);
        relax.setBackground(babyBlue);
        pretty.setBackground(babyBlue);
        names.setBackground(babyBlue);
        
        layout_menu.setBackground(babyBlue);
        clustering_menu.setBackground(babyBlue);

        controlPanel.add(relax); relax.addItemListener(this);
        controlPanel.add(pretty); pretty.addItemListener(this);
        controlPanel.add(names); names.addItemListener(this);



        layout_menu.add(frButton); frButton.setBackground(babyBlue);frButton.addActionListener(this);
        layout_menu.add(randomButton); randomButton.setBackground(babyBlue);randomButton.addActionListener(this);
        layout_menu.add(circularButton); circularButton.setBackground(babyBlue);circularButton.addActionListener(this);
        layout_menu.add(gridButton); gridButton.setBackground(babyBlue);gridButton.addActionListener(this);
        layout_menu.add(hierarchicalButton);hierarchicalButton.setBackground(babyBlue); hierarchicalButton.addActionListener(this);
        layout_menu.add(geometryButton); geometryButton.setBackground(babyBlue);geometryButton.addActionListener(this);
        clustering_menu.add(predefinedButton);predefinedButton.setBackground(babyBlue); predefinedButton.addActionListener(this);
        clustering_menu.add(kmeansButton); kmeansButton.setBackground(babyBlue);kmeansButton.addActionListener(this);
        clustering_menu.add(affinityButton); affinityButton.setBackground(babyBlue);affinityButton.addActionListener(this);
        clustering_menu.add(mclButton);mclButton.setBackground(babyBlue); mclButton.addActionListener(this);
        jMenuBar1.add(layout_menu);
        jMenuBar1.add(clustering_menu);
        controlPanel.add(jMenuBar1);

 getPanel().repaint();
    }
    
    
    public void destroy() {
        //netPanel.stop();
        remove(panel);
        
    }
    
    public void start() {
        
        // panel.start();
    }

    public void startRelax() {
        getPanel().start();
        //panel.energy();
    }
    
       public void stopRelax() {
        getPanel().stop();
        //panel.energy();
    }
    
    public void stop() {
        panel.stop();
    }
    
    public String getAppletInfo(){
        return "Title: MedusaLite \nAuthor: Sean Hooper  and  Georgios Pavlopoulos";
    }
    
        /*
         * Handle the button
         */
    public void actionPerformed(ActionEvent e) {
        Object es=e.getSource();
        if (es==frButton){
            relax.setSelected(false);
            getPanel().energy();
        }
        if (es == randomButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_Random_Coordinates(g, getPanel());
           getPanel().repaint();
        }
        if (es == gridButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_Grid_Coordinates(g, getPanel());
           getPanel().repaint();
        }
if (es == circularButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_Circular_Coordinates(g, getPanel());
           getPanel().repaint();
        }
        if (es == hierarchicalButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_GO_like_Coordinates(g, getPanel());
           getPanel().repaint();
        }
        if (es == geometryButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_Distance_Geomretry_Coordinates(g, getPanel());
           getPanel().repaint();
        }
        if (es == kmeansButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_Kmeans_Clustering(g, getPanel());
           getPanel().repaint();
        }
        if (es == affinityButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_Affinity_Propagation_Clustering(g, getPanel());
           getPanel().repaint();
        }
        if (es == mclButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_MCL_Propagation_Clustering(g, getPanel());
           getPanel().repaint();
        }
        if (es == predefinedButton){
             getPanel().stop();
             Graph g = getPanel().getGraph();
             Layouts.Apply_Predefined_Clustering(g, getPanel());
           getPanel().repaint();
        }
        
    }
    
    /*
     * Handle item state changes
     */
    public void itemStateChanged(ItemEvent e){
        Object src = e.getSource();
        if (src==relax){
            if (relax.isSelected()){
                startRelax();
                //panel.energy();
            } else
                stopRelax();
        }
        if (src == pretty){
            getPanel().setPretty(pretty.isSelected());
            getPanel().repaint();
        }
        if (src == names){
            getPanel().setLabel(names.isSelected());
            getPanel().repaint();
        }
    }
    
    /**
     *
     * Paints the container. This forwards the paint to any lightweight
     * components that are children of this container. If this method is
     * reimplemented, super.paint(g) should be called so that lightweight
     * components are properly rendered. If a child component is entirely
     * clipped by the current clipping setting in g, paint() will not be
     * forwarded to that child.
     *
     * @param g the specified Graphics window
     * @see Component#update(Graphics)
     */
    public void paint(Graphics g) {
        super.paint(g);
    }
    
    public void setLocalStringSettings(MedusaSettings stringSettings) {
        this.stringSettings = stringSettings;
    }
    
    public void setPanel(BasicGraphPanel panel) {
        this.panel = panel;
    }
    
    public BasicGraphPanel getPanel() {
        return panel;
    }
    
    public int getXParam() {
        return xParam;
    }
    
    public void setXParam(int xParam) {
        this.xParam = xParam;
    }
    
    public int getYParam() {
        return yParam;
    }
    
    public void setYParam(int yParam) {
        this.yParam = yParam;
    }
    
    public MedusaSettings getLocalStringSettings() {
        return stringSettings;
    }
    
    public JScrollPane getJScrollPane() {
        return jScrollPane;
    }
    
    public void setJScrollPane(JScrollPane jScrollPane) {
        this.jScrollPane = jScrollPane;
    }
    
    
    /**
     * Add controllers for javascript!
     * Some examples follow. Remember to repaint!
     * 
     */
    public void setHideWhenMoveJS(boolean hwm){
        getPanel().setHideWhenMove(hwm);
    }
    public void setArrowsJS(boolean arrows){
        getPanel().setArrows(arrows);
        getPanel().repaint();
    }
     public void setPrettyJS(boolean tof){
        getPanel().setPretty(tof);
        getPanel().repaint();
    }
    public void setConfidenceJS(boolean tof){
        getPanel().setConfidence(tof);
        getPanel().repaint();
    }
    
}