infojpanel.java

P2P模拟器P2Psim的程序源码

/*
 * Created on 1-dec-2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package gui;

import graph.Properties;
import graph.EdgeProperties;

import org.jgraph.graph.DefaultGraphCell;
import org.jgraph.graph.DefaultEdge;
import org.jgraph.graph.GraphConstants;

import javax.swing.JPanel;
//import javax.swing.JList;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JComboBox;
//import javax.swing.JComponent;

import java.awt.event.ActionListener;
import java.awt.event.KeyListener;
import java.awt.event.KeyEvent;
import java.awt.event.ActionEvent;

import java.awt.Dimension;
import java.awt.Color;
 
import java.util.Iterator;


/**
 * @author Administrator
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class InfoJPanel extends JPanel implements ActionListener,KeyListener
{

		
	public InfoJPanel(){
		//super();
		
		//setResizable(false);
		//getContentPane().
		//setLayout(new GridLayout(10,2));
		
		//setLayout(new BorderLayout());
		
		// almostRealContent zorg ervoor dat het altijd bovenaan staat,
		// en dat niets verticaal wordt uitgerokken
		// realContent zorgt ervoor dat niets horizontaal wordt uitgerokken.
		
		//JPanel almostRealContent = new JPanel(new BorderLayout());
		//add(almostRealContent, BorderLayout.NORTH);
		//add(new JPanel(), BorderLayout.CENTER);
		
		//realContent = new JPanel(new GridLayout(0, 1));
		//realContent = new JPanel();
		//realContent.setLayout(null);
		
		//almostRealContent.add(realContent, BorderLayout.WEST);
		//almostRealContent.add(new JPanel(), BorderLayout.CENTER);

		setLayout(null);
		
		constructPanel();		
	}
	
	
	/**
	*Publieke Methodes
	*/
	public void updateInformation(DefaultGraphCell dgc)
	{
		previousGraphCell = dgc;
		
		informationTypes.removeActionListener(this);
		
		if (dgc != null)
		{
			preferredType = (String) informationTypes.getSelectedItem();
		}
		
		//System.out.println("Preferred-type: " + preferredType);
		
		// verwijder oude informatie
		this.informationTypes.removeAllItems();
		
		if (currentComponent != null)
		{
			remove(currentComponent);
			repaint();	
		}
		
		
		if (dgc != null && GraphConstants.getValue(dgc.getAttributes()) != null)
		{
			//System.out.println(GraphConstants.getValue(dgc.getAttributes()));
			Properties p = (Properties) GraphConstants.getValue(dgc.getAttributes());
			
			Iterator i = p.getInformationTypes();
			
			// Overloop alle property-types, en steek ze in combo-box
			while(i.hasNext())
			{
				this.informationTypes.addItem((String)i.next());
			}
			
			
			// selecteer het vorige, als er een vorige was, en als het erin zat, zoniet, neem het eerste
			boolean changed = true;
			for (int k = 0; k < informationTypes.getItemCount(); k++)
			{
				if ( preferredType != null && ( (String)(informationTypes.getItemAt(k))).compareTo(preferredType) == 0)
				{ // Zoek of de string die geselecteerd was nu nog steeds in de combobox zit.
					informationTypes.setSelectedIndex(k);
					//System.out.println("Preferred found at position " + k);
					changed=false;
				}
			}
			if (! changed)
			{
				//System.out.println("Item van vorige keer geselecteerd, zelfde preferred: " + preferredType);	
			}
			else
			{
				preferredType = (String)informationTypes.getItemAt(0);
				//System.out.println("Item komt niet meer voor, nieuwe preferred: " + preferredType);
			}
			
			// Update name en color-label
			nameLabel.setText(p.getName());	
			colorLabel.setBackground(p.getColor());
			
			if (dgc instanceof DefaultEdge)
			{
				// toon de labels, en vul de capaciteit in.
				capacityLabelText.setText("Capacity:");
				capacityLabel.setText("" + ((EdgeProperties) GraphConstants.getValue(dgc.getAttributes())).getCapacity());	
			}
			else
			{
				capacityLabelText.setText("");
				capacityLabel.setText("");
			}
			
			// Update PropertyComponent
			if (((String)informationTypes.getSelectedItem()) != null)
			{
				//System.out.println(((String)informationTypes.getSelectedItem()));
				currentComponent = GUIEventManager.getComponentManager().getComponent(preferredType);
				if (currentComponent != null)
				{
					//System.out.println("update currentComponent");
					currentComponent.updateInformation(p);
					
					currentComponent.setBounds(25, 120, 250, 400);
					add(currentComponent);
					currentComponent.repaint();
				}
			}
			
		}
		else
		{
			nameLabel.setText("");	
			colorLabel.setBackground(Color.WHITE);	
			capacityLabelText.setText("");
			capacityLabel.setText("");
		}
		
		informationTypes.addActionListener(this);
	}
	
		
	/**
	*Vangt de verschillende key-actions op
	*In dit geval kan er enkel op enter worden geklikt.Dan wordt het levelnummer opgeslaan.
	*/	
	public void keyTyped(KeyEvent e) {}
    
    
	public void keyPressed(KeyEvent e) {}
	
	
	public void keyReleased(KeyEvent e) 
	{
			if (e.getKeyChar() == '\n') 
			{
					//dispose();
			}
	}

	public void actionPerformed(ActionEvent event)
	{
		if(event.getSource() instanceof JComboBox)
		{
			//System.out.println("JComboBox changed");			
			GUIEventManager.getReference().eventUpdateInfoJPanel(previousGraphCell);
		}
	}
	

	
	private void constructPanel()
	{
		
		for (int i=0; i<5; i++)
		{
			textLabel[i] = new JLabel();
		}
		
		
		textLabel[0].setText("Name:");
		textLabel[0].setOpaque(true);
		size = textLabel[0].getPreferredSize();
		textLabel[0].setBounds(10, 10, 55, 18);
		add(textLabel[0]);

		nameLabel = new JLabel("");
		
		nameLabel.setForeground(Color.DARK_GRAY);
		nameLabel.setBounds(65, 10, 100, 18);
		add(nameLabel);
		
		textLabel[1].setText("Color:");
		size = textLabel[1].getPreferredSize();
		textLabel[1].setBounds(10, 30, 55, 18);
		add(textLabel[1]);
		
		colorLabel = new JLabel("");
		colorLabel.setOpaque(true);
		colorLabel.setBounds(65, 31, 16, 16);
		colorLabel.setBackground(Color.white);
		add(colorLabel);
		
		capacityLabelText = new JLabel("");
		capacityLabelText.setText("");
		size = capacityLabelText.getPreferredSize();
		capacityLabelText.setBounds(10, 50, 55, 18);
		add(capacityLabelText);
		
		capacityLabel = new JLabel("");
		capacityLabel.setForeground(Color.DARK_GRAY);
		capacityLabel.setOpaque(true);
		capacityLabel.setBounds(65, 50, 30, 18);
		add(capacityLabel);
		
		textLabel[3].setText("Properties:");
		size = textLabel[3].getPreferredSize();
		textLabel[3].setBounds(10, 85, size.width, 18);
		add(textLabel[3]);
	
		String[] data = {};
		informationTypes = new JComboBox(data);

		informationTypes.addActionListener(this);
		informationTypes.setActionCommand("changedInformationType");
		informationTypes.setBounds(80, 81, 110, 24);
		add(informationTypes);
	}
	


	private PropertyComponent currentComponent;
	private String preferredType;
	private DefaultGraphCell previousGraphCell;
	
	private JLabel textLabel[] = new JLabel[5];			
	private JComboBox informationTypes;			
	private JButton okButton;
	
	private JLabel nameLabel;
	private JLabel colorLabel;
	private JLabel capacityLabel;
	private JLabel capacityLabelText;
	
	//private JPanel realContent;
	private Dimension size;			
}