newticketauction.java

这是手机下载网络图像源码 共初学者参考

        Form confirm = new Form("Confirm Bid");
        Form notice = new Form("Bid Received");

        Form auctionForm = new Form("dummy");

        Alert loginAlert = 
            new Alert("Alert", 
                      "Your must enter your ID and password"
                      + " before you can proceed.",
                      null, null);

        Login() {
            super("Make A Bid");
            id.setLabel("Enter Auction ID:");
            append(id);
            pd.setLabel("Enter PIN:");
            append(pd);
            append(curBid);
            append(incBid);
            append(minBid);
            append(bidText);
            addCommand(BACK_CMD);
            addCommand(NEXT_CMD);
            setCommandListener(this);

            ItemCommandListener icl = new MyItemCommandListener();
            confirm.append("dummy");
            confirm.addCommand(CANCEL_CMD);
            confirm.setCommandListener(this);

            auctionHyperlink.setDefaultCommand(AUCTION_CMD);
            auctionHyperlink.setItemCommandListener(icl); 

            submitButton.setDefaultCommand(SUBMIT_CMD);
            submitButton.setItemCommandListener(icl); 

            deleteFormItem(notice);
            notice.append(new StringItem("Your bid has been received:", ""));
            notice.append(new StringItem("Confirm #:", "12-B455-31"));
            notice.addCommand(BAND_CMD);
            notice.setCommandListener(this);
            loginAlert.setTimeout(Alert.FOREVER);

            auctionForm.append("dummy");
            auctionForm.addCommand(BACK_CMD);
            auctionForm.setCommandListener(this);
        }

        String bandName, bid, ticketID, _bandName;
        int _bandIndex;

        void setBid(String bandName, String bid) {
            this.bandName = bandName;
            this.bid = bid;
        }

        void setID(String bandName, String ticketID) {
            this.bandName = bandName;
            this.ticketID = ticketID;
        }

        void setBandAttributes(String bandName, int bandIndex)
        {
          _bandName = bandName;
          _bandIndex = bandIndex;
        }
        void doSubmit() {
            TimerService = new Timer();
            TimerClient timerClient = new TimerClient();
            TimerService.schedule(timerClient, 0, 1000);        
            display.setCurrent(submitMsg);
        }

        class MyItemCommandListener implements ItemCommandListener
        {
            public void commandAction(Command c,
                                      Item item) {

                if (c == SUBMIT_CMD) {
                    doSubmit();
                } else if (c == AUCTION_CMD) {
                    deleteFormItem(auctionForm);
                    auctionForm.setTitle("Auction:" +login.ticketID);
                    band.getAuctionData(auctionForm, login.bandName, 
					login._bandIndex);
                    display.setCurrent(auctionForm);
                }
            }
        }

        public void commandAction(Command c, Displayable s) {
            if (s instanceof Form) {
                Form obj = (Form) s;
                if (obj == this) {
                    if (c == BACK_CMD) {
                        display.setCurrent(band_ticket_Form);
                    } else if (c == NEXT_CMD) {
                      if ((id.getString().length() == 0) || 
                          (pd.getString().length() == 0)) { // ||
                          // (bidText.getString().length() == 0)) {
                        display.setCurrent(loginAlert);
                      } else {
                        login.setID(_bandName, band.getTicketID(_bandName,
                                           _bandIndex));

                        String bidAmt = bidText.getString();
                        System.err.println("\n\n #### bidAmt : " + bidAmt);

                        // check if bid text is valid, if not pop up an alert
                        if (bidAmt.equals("")) {
                            Alert errorAlert = new Alert("Alert", 
							 "The bid amount you have entered is invalid.",
                                          null, AlertType.ERROR);
                            errorAlert.setTimeout(Alert.FOREVER);
                            display.setCurrent(errorAlert);
                        } else {

                            deleteFormItem(login.confirm);
                            login.confirm.append(new StringItem("Please confirm this information is correct before submitting your bid", ""));
                            auctionHyperlink.setText(login.ticketID);
                            login.confirm.append(auctionHyperlink);
                            login.confirm.append(new StringItem("Band: " + 
						       login.bandName, ""));
                            login.confirm.append(new StringItem("Bid Amount:",
                                                                "$"+bidAmt));
                            login.confirm.append(submitButton);
 
                            display.setCurrent(login.confirm);
                       }
                      }

                    }
                } else if (obj == confirm) {
                    if (c == CANCEL_CMD) {
                        display.setCurrent(this);
                    }
                } else if (obj == notice) {
                    if (c == BAND_CMD) {
                      display.setCurrent(band_ticket_Form);
                    }
                } else if (obj == auctionForm) {
                    if (c == BACK_CMD) {
                      display.setCurrent(confirm);
                    }
                }
            }
        }
        private class TimerClient extends TimerTask {
            public final void run() {
                 if (submitGauge.getValue() == submitGauge.getMaxValue()) {
                        TimerService.cancel();
                        submitGauge.setValue(0);
                        display.setCurrent(notice);        
                } else {
                        submitGauge.setValue(submitGauge.getValue()+10);
                }        
            }
        }

    }



    class Band {
        private BandListTable table;

        class TicketItem {
            // Ticket info
            String name;   // item name i.e. band name
            String seat;   // seat number
            String sect;   // seat section
            String date;   // concert date
            String place;  // concert place
            String state;  // place's state

            // Bid info
            String id;        // id i.e. item number
            String numItem;   // quantity
            String begBid;    // beginning bid price
            String curBid;    // current bid price
            String incBid;    // bid increment
            String numBids;   // # of bids
            String endsAt;    // Bid close time

            TicketItem(String name,
                       String seat,
                       String sect,
                       String date,
                       String place,
                       String state,
                       String id,
                       String numItem,
                       String begBid,
                       String curBid,
                       String incBid,
                       String numBids,
                       String endsAt) {
                this.name = name;
                this.seat = seat;
                this.sect = sect;
                this.date = date;
                this.place = place;
                this.state = state;
                this.id = id;
                this.numItem = numItem;
                this.begBid = begBid;
                this.curBid = curBid;
                this.incBid = incBid;
                this.numBids = numBids;
                this.endsAt = endsAt;
            }

            TicketItem(String name) {
                this(name, "n/a", "n/a", "n/a", "n/a", "n/a", 
                     "0", "0", "0", "0", "0", "0", "0");
            }
        }

        class BandListTable {
            private Vector vec = new Vector();
            BandListTable() {
                vec = new Vector();
            }
            void put(int nth, Object obj) {
                Object o = null;
                try { 
                    o = vec.elementAt(nth);
                } catch (ArrayIndexOutOfBoundsException e) {
                    o = null;
                }
                if (o == null) {
                    vec.addElement(obj);
                } else {
                    vec.setElementAt(obj, nth);
                }
            }
            Object get(String bandName) {
                int num = vec.size();
                for (int i = 0; i < num; i++) {
                    Object obj = vec.elementAt(i);
                    if (obj instanceof Vector) {
                        Vector v = (Vector) obj;
                        TicketItem item = (TicketItem) v.elementAt(0);
                        if (item.name.equals(bandName)) {
                            return obj;
                        }
                    }
                }
                return null;
            }
            Object elementAt(int index) {
                return vec.elementAt(index);
            }
            void remove(int i) {
                Object o = null;
                try { 
                    o = vec.elementAt(i);
                } catch (ArrayIndexOutOfBoundsException e) {
                    o = null;
                }
                if (o != null) {
                    vec.removeElementAt(i);
                }
            }
            int size() {
                return vec.size();
            }
        }

        Band() {
            table = new BandListTable();
        

            TicketItem t;

            /**
             * 0: Alanis Morrisette
             */
            t = new TicketItem("Alanis Morrisette",
                               "18 & 19",
                               "XF, Row 17",
                               "Aug 23, 2002",
                               "PacBell Stadium",
                               "San Francisco, CA",
                               "#7720",
                               "2",
                               "45.00",
                               "69.00",
                               "2.00",
                               "3",
                               "12:00 am on Aug 16, 2002");
            add(0, "Alanis Morrisette", t);

            /**
             * 1: Envy
             */
            t = new TicketItem("Envy",
                               "10, 11, 12, 13",
                               "F9, Row A",
                               "Sep 7, 2002",
                               "Civic Center",
                               "Santa Cruz, CA",
                               "4509",
                               "4",
                               "100.00",
                               "101.00",
                               "1.00",
                               "1",
                               "9:45 pm on Sep 1, 2002");
            add(1, "Envy", t);

            t = new TicketItem("Envy",
                               "69 & 70",
                               "PIT Row 1",
                               "Aug 9, 2002",
                               "Monterey Civic Ampitheatre",
                               "Monterey, CA",
                               "3058",
                               "2",
                               "9.00",
                               "175.00",
                               "2.50",
                               "40",
                               "9:00 pm on Aug 2, 2002");
            add(1, "Envy", t);

            t = new TicketItem("Envy",
                               "5 & 6 & 7",
                               "PIT Rw 11",
                               "Aug 10, 2002",
                               "Monterey Civic Ampitheatre",
                               "Monterey, CA",
                               "3541",
                               "3",
                               "28.00",
                               "97.00",
                               "1.00",
                               "11",
                               "11:15 pm on Aug 2, 2002");
            add(1, "Envy", t);