package com.c2kernel.collection.gui.view;

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;

import com.c2kernel.collection.AggregationMember;
import com.c2kernel.collection.MembershipException;
import com.c2kernel.entity.proxy.EntityProxy;
import com.c2kernel.graph.model.Vertex;
import com.c2kernel.graph.view.SelectedVertexPanel;
import com.c2kernel.gui.DomainKeyConsumer;
import com.c2kernel.gui.MainFrame;
import com.c2kernel.lookup.DomainPath;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.Language;

/**************************************************************************
 *
 * $Revision: 1.10 $
 * $Date: 2005/05/12 10:12:52 $
 *
 * Copyright (C) 2003 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/


public class SelectedMemberPanel extends SelectedVertexPanel implements DomainKeyConsumer {

	JLabel slotNumber = new JLabel();
    JTextField memberKey = new JTextField(14);

	JButton findButton = new JButton(Language.translate("Find"));
    JToggleButton changeButton = new JToggleButton(Language.translate("Change"));
    JButton removeButton = new JButton(Language.translate("Remove"));

    SelectedMemberPanel me;
    AggregationMember selectedMember = null;
	
	public SelectedMemberPanel() {
        me=this;
		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
        
        JPanel attrs = new JPanel(new GridLayout(3,2));
        attrs.add(new JLabel(Language.translate("Slot Number:")));
        attrs.add(slotNumber);
        attrs.add(new JLabel(Language.translate("Assigned Member:")));
        attrs.add(memberKey);
        memberKey.setEditable(false);
        
        add(attrs);
        add(Box.createVerticalStrut(10));

		findButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
				String code = memberKey.getText();
				if (code == null || code.length() == 0)
					code = memberKey.getText().replace('/',' ');
				MainFrame.itemFinder.pushNewKey(code);
			}
		});
		
        changeButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                if (changeButton.getModel().isSelected()) {
                    MainFrame.status.setText(Language.translate("Please scan or type your barcode to assign in the top field"));
                    MainFrame.itemFinder.setConsumer(me, "Assign");
                    findButton.setEnabled(false);
                }
                else {
                    MainFrame.status.setText("");
                    MainFrame.itemFinder.clearConsumer(me);
                    if (selectedMember.getEntityKey() > -1) findButton.setEnabled(true);
                }
            }
        });
        
        removeButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                selectedMember.clearEntity();
                selectedMember.getProperties().remove("Name");
                select(selectedMember);
            }
        });

		Box buttonBox = Box.createHorizontalBox();
		buttonBox.add(findButton);
        if (MainFrame.isAdmin) {
    		buttonBox.add(changeButton);
	   	    buttonBox.add(removeButton);
        }
        
        setButtons(false);
		add(buttonBox);
	}

	public void select(Vertex vert) {
        selectedMember = (AggregationMember)vert;
		slotNumber.setText(String.valueOf(vert.getID()));
        int memberId = selectedMember.getEntityKey();
        String name = "Empty";
        try {
            EntityProxy member = Gateway.getProxyManager().getProxy(new EntityPath(memberId));
            name = member.getName();
        } catch (Exception e) { }
        memberKey.setText(name);
        setButtons(true);
        
		revalidate();
	}
	
	public void clear() {
		slotNumber.setText("");
        memberKey.setText("");
        setButtons(false);
		revalidate();
	}

    public void setButtons(boolean state) {
        findButton.setEnabled(state);
        changeButton.getModel().setSelected(false);
        changeButton.setEnabled(state);
        removeButton.setEnabled(state);   
        MainFrame.itemFinder.clearConsumer(me);     
    }
    /**
     *
     */
    public void push(DomainPath key) {
        MainFrame.status.setText("Assigning entity "+key.getSysKey()+" to slot "+selectedMember.getID());
        try {
            selectedMember.assignEntity(key.getSysKey());
            select(selectedMember);
        } catch (MembershipException ex) {
            JOptionPane.showMessageDialog(null, "Product does not fit in this slot", "Error", JOptionPane.ERROR_MESSAGE);
        }
    }

    /**
     *
     */
    public void push(String name) {
        JOptionPane.showMessageDialog(null, "Product is not known in this centre", "Error", JOptionPane.ERROR_MESSAGE);
    }

}