001 package videoautomat.contentcreator;
002 import javax.swing.Box;
003 import javax.swing.BoxLayout;
004 import javax.swing.JComponent;
005 import javax.swing.JLabel;
006 import javax.swing.JPanel;
007
008 import sale.FormSheet;
009 import sale.FormSheetContentCreator;
010 import sale.FormSheet.FormButton;
011 import videoautomat.SaleProcessRent;
012 import videoautomat.contentcreator.stdactions.TransitWithAction;
013 import videoautomat.transition.RentPayConfirmTransition;
014 import videoautomat.transition.RentPayRollbackTransition;
015 import data.CatalogItemValue;
016 import data.DataBasket;
017 import data.IntegerValue;
018 import data.NumberValue;
019 import data.events.StockChangeAdapter;
020 import data.events.StockChangeEvent;
021 import data.ooimpl.MoneyBagImpl;
022 /**
023 * Changes the FormSheet layout and adds some labels and a listener
024 * to change the pay button state.
025 *
026 * @author Tobias Ruch
027 */
028 public class RentPayFSContentCreator extends FormSheetContentCreator {
029 /**
030 * ID for Serialization.
031 */
032 private static final long serialVersionUID = 9181091654692530939L;
033
034 /** String of the pay value */
035 private String payValue;
036 /** Process in which the FormSheet and so the content creator is used */
037 private SaleProcessRent processRent;
038
039 /**
040 * Creates the content creator.
041 * @param process - <code>SaleProcessRent</code> in which the ContentCreator is use to have access to some
042 * process data
043 */
044 public RentPayFSContentCreator(SaleProcessRent process){
045 this.processRent = process;
046 payValue = "";
047 }
048
049 /**
050 * Changes the FormSheetContent of the gives <code>FormSheet</code>.
051 * Adds labels, button and there actions
052 * @param fs - a <code>FormSheet</code> which should be changed.
053 */
054 protected void createFormSheetContent(FormSheet fs) {
055 JComponent jc = new JPanel();
056 jc.setLayout(new BoxLayout(jc, BoxLayout.Y_AXIS));
057 jc.add(Box.createVerticalStrut(10));
058 jc.add(new JLabel("You have to pay: " + payValue));
059 jc.add(Box.createVerticalStrut(10));
060 jc.add(fs.getComponent());
061
062 fs.setComponent(jc);
063 fs.removeAllButtons();
064
065 fs.addButton("Pay", 1, new TransitWithAction(new RentPayConfirmTransition()));
066
067 fs.addButton("Cancel", 2, new TransitWithAction(new RentPayRollbackTransition()));
068 fs.getButton(1).setEnabled(false);
069 setButtonStockListener(fs.getButton(1));
070 }
071
072
073 public void setPayValue(String payValue){
074 this.payValue = payValue;
075 }
076 /**
077 * Adds an implementation of the <code>StockChangeListener</code> to the given button, so that this button gets
078 * enabled if there is enough money in the temporar-moneybag and otherwise it gets disabled
079 *
080 * @param fb
081 * the <code>FormButton</code> the listener should en/disable
082 */
083 private void setButtonStockListener(final FormButton fb) {
084 final MoneyBagImpl bag = processRent.getTemporaryMoneyBag();
085 final DataBasket basket = processRent.getBasket();
086 final NumberValue nv_sum = processRent.getSumNumberValue();
087
088 //new StockChangeApdater, which is extended by an anonymous class
089 //which overrides the addedStockItems method
090
091 StockChangeAdapter sca = new StockChangeAdapter() {
092 private static final long serialVersionUID = 5693744331821735484L;
093 public void addedStockItems(StockChangeEvent e) {
094
095
096 if (bag.sumStock(basket, new CatalogItemValue(), new IntegerValue(0))
097 .compareTo(nv_sum)>= 0){
098 fb.setEnabled(true);
099 }
100 }
101 public void removedStockItems(StockChangeEvent e) {
102 if (bag.sumStock(basket, new CatalogItemValue(), new IntegerValue(0))
103 .compareTo(nv_sum) < 0){
104 fb.setEnabled(false);
105 }
106 }
107 };
108
109 bag.addStockChangeListener(sca);
110 }
111 }