source: src/main/java/negotiator/parties/EnterBidDialog.java@ 48

package negotiator.parties;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.table.TableCellRenderer;

import genius.core.Agent;
import genius.core.Bid;
import genius.core.actions.Accept;
import genius.core.actions.EndNegotiation;
import genius.core.actions.Offer;
import genius.core.exceptions.Warning;
import genius.core.utility.AdditiveUtilitySpace;

/**
 *
 * @author W.Pasman
 */
public class EnterBidDialog extends JDialog {

        private static final long serialVersionUID = -8582527630534972700L;
        private NegoInfo negoinfo; // the table model
        private genius.core.actions.Action selectedAction;
        private Agent agent;
        private JTextArea negotiationMessages = new JTextArea("NO MESSAGES YET");
        // Wouter: we have some whitespace in the buttons,
        // that makes nicer buttons and also artificially increases the window size.
        private JButton buttonAccept = new JButton(" Accept Opponent Bid ");
        private JButton buttonEnd = new JButton("End Negotiation");
        private JButton buttonBid = new JButton("       Do Bid       ");
        private JPanel buttonPanel = new JPanel();
        private JTable BidTable;
        private Bid lastOppBid;

        /**
         * 
         * @param agent
         * @param parent
         * @param modal
         * @param us
         * @param lastOppBid
         *            last oppponent bid that can be accepted, or null if no such
         *            bid.
         * @throws Exception
         */
        public EnterBidDialog(Agent agent, java.awt.Frame parent, boolean modal,
                        AdditiveUtilitySpace us, Bid lastOppBid) throws Exception {
                super(parent, modal);
                this.agent = agent;
                negoinfo = new NegoInfo(null, null, us);
                this.lastOppBid = lastOppBid;
                initThePanel();
        }

        // quick hack.. we can't refer to the Agent's utilitySpace because
        // the field is protected and there is no getUtilitySpace function either.
        // therefore the Agent has to inform us when utilspace changes.
        public void setUtilitySpace(AdditiveUtilitySpace us) {
                negoinfo.utilitySpace = us;
        }

        private void initThePanel() {
                if (negoinfo == null)
                        throw new NullPointerException("negoinfo is null");
                Container pane = getContentPane();
                pane.setLayout(new BorderLayout());
                setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
                setTitle("Choose action for agent " + agent.getName());
                // setSize(new java.awt.Dimension(600, 400));
                // setBounds(0,0,640,480);

                // createFrom north field: the message field
                pane.add(negotiationMessages, "North");

                // createFrom center panel: the bid table
                BidTable = new JTable(negoinfo);
                // BidTable.setModel(negoinfo); // need a model for column size etc...
                // Why doesn't this work???
                BidTable.setGridColor(Color.lightGray);
                JPanel tablepane = new JPanel(new BorderLayout());
                tablepane.add(BidTable.getTableHeader(), "North");
                tablepane.add(BidTable, "Center");
                pane.add(tablepane, "Center");
                BidTable.setRowHeight(35);

                buttonAccept.setEnabled(lastOppBid != null);
                // createFrom south panel: the buttons:
                buttonPanel.setLayout(new FlowLayout());
                buttonPanel.add(buttonEnd);
                buttonPanel.add(buttonAccept);
                // buttonPanel.add(buttonSkip);
                buttonPanel.add(buttonBid);
                pane.add(buttonPanel, "South");
                buttonBid.setSelected(true);

                // set action listeners for the buttons
                buttonBid.addActionListener(new java.awt.event.ActionListener() {
                        public void actionPerformed(java.awt.event.ActionEvent evt) {
                                buttonBidActionPerformed(evt);
                        }
                });
                // buttonSkip.addActionListener(new java.awt.event.ActionListener() {
                // public void actionPerformed(java.awt.event.ActionEvent evt) {
                // buttonSkipActionPerformed(evt);
                // }
                // });
                buttonEnd.addActionListener(new java.awt.event.ActionListener() {
                        public void actionPerformed(java.awt.event.ActionEvent evt) {
                                buttonEndActionPerformed(evt);
                        }
                });
                buttonAccept.addActionListener(new java.awt.event.ActionListener() {
                        public void actionPerformed(java.awt.event.ActionEvent evt) {
                                buttonAcceptActionPerformed(evt);
                        }
                });
                pack(); // pack will do complete layout, getting all cells etc.
        }

        private Bid getBid() {
                Bid bid = null;
                try {
                        bid = negoinfo.getBid();
                } catch (Exception e) {
                        JOptionPane.showMessageDialog(null,
                                        "There is a problem with your bid: " + e.getMessage());
                }
                return bid;
        }

        private void buttonBidActionPerformed(java.awt.event.ActionEvent evt) {

                Bid bid = getBid();
                if (bid != null) {
                        selectedAction = new Offer(agent.getAgentID(), bid);
                        setVisible(false);
                }
        }

        private void buttonAcceptActionPerformed(java.awt.event.ActionEvent evt) {
                Bid bid = getBid();
                if (bid != null) {
                        System.out.println("Accept performed");
                        selectedAction = new Accept(agent.getAgentID(), lastOppBid);
                        setVisible(false);
                }
        }

        private void buttonEndActionPerformed(java.awt.event.ActionEvent evt) {
                System.out.println("End Negotiation performed");
                selectedAction = new EndNegotiation(agent.getAgentID());
                setVisible(false);
        }

        /**
         * This is called by UIAgent repeatedly, to ask for next action.
         * 
         * @param opponentAction
         *            is action done by opponent
         * @param myPreviousBid
         * @return our next negotionat action.
         */
        public genius.core.actions.Action askUserForAction(
                        genius.core.actions.Action opponentAction, Bid myPreviousBid) {
                negoinfo.lastAccepted = null;
                if (opponentAction == null) {
                        negotiationMessages.setText("Opponent did not send any action.");
                }
                if (opponentAction instanceof Accept) {
                        negotiationMessages.setText("Opponent accepted your last bid!");
                        negoinfo.lastAccepted = myPreviousBid;
                }
                if (opponentAction instanceof EndNegotiation) {
                        negotiationMessages.setText("Opponent cancels the negotiation.");
                }
                if (opponentAction instanceof Offer) {
                        negotiationMessages.setText("Opponent proposes the following bid:");
                        negoinfo.lastAccepted = ((Offer) opponentAction).getBid();
                }
                try {
                        negoinfo.setOurBid(myPreviousBid);
                } catch (Exception e) {
                        new Warning("error in askUserForAction:", e, true, 2);
                }

                BidTable.setDefaultRenderer(BidTable.getColumnClass(0),
                                new MyCellRenderer1(negoinfo));
                BidTable.setDefaultEditor(BidTable.getColumnClass(0), new MyCellEditor(
                                negoinfo));

                pack();
                setVisible(true); // this returns only after the panel closes.
                // Wouter: this WILL return normally if Thread is killed, and the
                // ThreadDeath exception will disappear.
                return selectedAction;
        }
}

/********************************************************************/

class MyCellRenderer1 implements TableCellRenderer {
        NegoInfo negoinfo;

        public MyCellRenderer1(NegoInfo n) {
                negoinfo = n;
        }

        // the default converts everything to string...
        public Component getTableCellRendererComponent(JTable table, Object value,
                        boolean isSelected, boolean hasFocus, int row, int column) {
                return negoinfo.getValueAt(row, column);
        }
}

/********************************************************/