source: src/main/java/genius/gui/boaframework/BOARepositoryUI.java@ 12

package genius.gui.boaframework;

import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

import genius.core.boaframework.BoaType;
import genius.core.boaframework.repository.BOAagentRepository;
import genius.core.boaframework.repository.BOArepItem;
import genius.gui.NegoGUIApp;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.sql.Savepoint;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Map.Entry;

/**
 * A user interface to the agent repository 
 * @author Wouter Pasman, Mark Hendrikx
 */
public class BOARepositoryUI {

        private static final String ADD_A_COMPONENT = "Add a component";
        private BOAagentRepository boaRepository;
        private AbstractTableModel dataModel;
        private final JTable table;
        private ArrayList<BOArepItem> items;
        
        public BOARepositoryUI(JTable pTable) {
                this.table = pTable;
                boaRepository = BOAagentRepository.getInstance();
                items = new ArrayList<BOArepItem>();
                referenceComponents();
                initTable();
        }

        private JPopupMenu createPopupMenu() {
                JPopupMenu popup = new JPopupMenu();

                JMenuItem addComponent = new JMenuItem("Add new component");
                addComponent.addActionListener(new java.awt.event.ActionListener() {
                        public void actionPerformed(java.awt.event.ActionEvent evt) {
                                addAction();
                        }
                });

                JMenuItem editComponent = new JMenuItem("Edit component");
                editComponent.addActionListener(new java.awt.event.ActionListener() {
                        public void actionPerformed(java.awt.event.ActionEvent evt) {
                                editAction();
                        }
                });
                
                JMenuItem removeComponent = new JMenuItem("Remove component");
                removeComponent.addActionListener(new java.awt.event.ActionListener() {
                        public void actionPerformed(java.awt.event.ActionEvent evt) {
                                removeAction();
                        }
                });

                popup.add(addComponent);
                popup.add(editComponent);
                popup.add(removeComponent);
                
                return popup;
        }
        
        private void referenceComponents() {
                items.clear();
                for (Entry<String, BOArepItem> entry : boaRepository.getOfferingStrategiesRepItems().entrySet()) {
                        items.add(entry.getValue());
                }

                for (Entry<String, BOArepItem> entry : boaRepository.getAcceptanceStrategiesRepItems().entrySet()) {
                        items.add(entry.getValue());
                }

                for (Entry<String, BOArepItem> entry : boaRepository.getOpponentModelsRepItems().entrySet()) {
                        items.add(entry.getValue());
                }

                for (Entry<String, BOArepItem> entry : boaRepository.getOMStrategiesRepItems().entrySet()) {
                        items.add(entry.getValue());
                }

                Collections.sort(items);
                
                if (items.size() == 0) {
                        addTemporaryComponent();
                }
        }

        private void initTable() {
                dataModel = new AbstractTableModel() {
                        private static final long serialVersionUID = -4985008096999143587L;
                        final String columnnames[] = {"Type","Name"};
                        
                        public int getColumnCount() { 
                                return columnnames.length; 
                        }
                        
                        public int getRowCount() { 
                                return items.size();
                        }
                        
                        public Object getValueAt(int row, int col) { 
                                  BOArepItem boaComponent = (BOArepItem) items.get(row);
                                  switch(col) {
                                          case 0:
                                                  return boaComponent.getTypeString();
                                          case 1:
                                                  return boaComponent.getName();
                                  }
                                  return col;
                        }
                        public String getColumnName(int column) {
                                  return columnnames[column];
                        }
                };
        
                table.setModel(dataModel);
                table.setShowVerticalLines(false);
                table.addMouseListener(new MouseAdapter() {
                
                        // if Windows
                        @Override
                public void mouseReleased(MouseEvent e) {
                    mouseCode(e);
                }
                        
                        // if Linux
                        public void mousePressed(MouseEvent e) {
                                mouseCode(e);
                        }
                        
                        private void mouseCode(MouseEvent e) {
                                int r = table.rowAtPoint(e.getPoint());
                    if (r >= 0 && r < table.getRowCount()) {
                        table.setRowSelectionInterval(r, r);
                    } else {
                        table.clearSelection();
                    }

                    int rowindex = table.getSelectedRow();
                    if (rowindex < 0)
                        return;
                    if (e.isPopupTrigger() && e.getComponent() instanceof JTable ) {
                        JPopupMenu popup = createPopupMenu();
                        popup.show(e.getComponent(), e.getX(), e.getY());
                    }
                        }
                });
                
                table.addKeyListener(new KeyAdapter() {
           public void keyReleased(KeyEvent ke) {
                   if (ke.getKeyCode() == KeyEvent.VK_DELETE) {
                           removeAction();
                   }
           }
        });
        }
        
        public void addAction() {
                // shoud return boolean if added an item.
                // if so, sort items and display again
                BOAComponentEditor loader = new BOAComponentEditor(NegoGUIApp.negoGUIView.getFrame(), "Add BOA component");
                BOArepItem item = loader.getResult(null);
                if (item != null) {
                        items.add(item);
                        Collections.sort(items);
                        table.updateUI();
                }
        }
        public void editAction() {
                BOArepItem item = items.get(table.getSelectedRow());
                BOAComponentEditor loader = new BOAComponentEditor(NegoGUIApp.negoGUIView.getFrame(), "Edit BOA component");
                BOArepItem result = loader.getResult(item);
                if (result != null) {
                        items.remove(item);
                        items.add(result);
                        Collections.sort(items);
                        table.updateUI();
                }
        }
        
        public void removeAction() {    
                if (table.getSelectedRow() != -1) {
                        BOArepItem removed = items.remove(table.getSelectedRow());
                        if (dataModel.getRowCount() == 0) {
                                addTemporaryComponent();
                        }
                        dataModel.fireTableDataChanged();
                        if (removed.getType() != BoaType.UNKNOWN) {
                                boaRepository.removeComponent(removed);
                        }
                }
        }
        
        private void addTemporaryComponent() {
                if (items.size() == 0) {
                        items.add(new BOArepItem(ADD_A_COMPONENT, "", BoaType.UNKNOWN));
                }
        }
}