src/main/java/at/ac/tuwien/sbc/valesriegler/group/gui/GroupFrame.java

   1 package at.ac.tuwien.sbc.valesriegler.group.gui;
   2
   3 import java.awt.GridLayout;
   4 import java.awt.event.ActionEvent;
   5 import java.awt.event.ActionListener;
   6 import java.util.ArrayList;
   7 import java.util.List;
   8 import java.util.concurrent.atomic.AtomicInteger;
   9
  10 import javax.swing.JButton;
  11 import javax.swing.JFrame;
  12 import javax.swing.JLabel;
  13 import javax.swing.JOptionPane;
  14 import javax.swing.JPanel;
  15 import javax.swing.JScrollPane;
  16 import javax.swing.JSpinner;
  17 import javax.swing.JTable;
  18 import javax.swing.SpinnerNumberModel;
  19 import javax.swing.border.TitledBorder;
  20
  21 import at.ac.tuwien.sbc.valesriegler.group.Group;
  22
  23 /**
  24  * Base Frame of the Group UI
  25  *
  26  * @author Gregor Riegler <gregor DOT riegler AT gmail DOT com>
  27  *
  28  */
  29 public class GroupFrame extends JFrame {
  30         private int idCounter = 1;
  31
  32         private GroupOverviewModel groupModel;
  33
  34         public GroupFrame() {
  35                 super("Groups");
  36                 JPanel wrapper = new JPanel();
  37                 GridLayout wrapperLayout = new GridLayout(2, 1);
  38                 wrapper.setLayout(wrapperLayout);
  39
  40                 // Create Wizard-like panel for the creation of groups
  41                 initGroupCreation(wrapper);
  42
  43                 // Create the panel for the group overview table
  44                 initGroupOverview(wrapper);
  45
  46                 setContentPane(wrapper);
  47                 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  48         }
  49
  50         private void initGroupCreation(JPanel wrapper) {
  51                 final JPanel creationPanel = new JPanel();
  52                 final JPanel chooseGroupSizePanel = new JPanel();
  53                 JLabel creationLabel = new JLabel("How many members should the group have?");
  54                 JButton next = new JButton("Next");
  55                 SpinnerNumberModel model = new SpinnerNumberModel(1,1,4,1);
  56             final JSpinner spinner = new JSpinner(model);
  57
  58             // When 'next' is clicked the second, final panel of the Group Creation Wizard should be shown
  59             next.addActionListener(new ActionListener() {
  60                         @Override
  61                         public void actionPerformed(ActionEvent e) {
  62                                 int numberMembers = (int) spinner.getValue();
  63                                 final GroupCreationPanel groupCreationPanel = new GroupCreationPanel(numberMembers);
  64                                 GroupCreationHandler groupCreationHandler = new GroupCreationHandler(creationPanel, chooseGroupSizePanel, groupCreationPanel);
  65
  66                                 groupCreationPanel.setCreateAndCancelHandler(groupCreationHandler);
  67                                 groupCreationHandler.showGroupCreationDetailPanel();
  68
  69
  70                         }
  71                 });
  72
  73             GridLayout creationPanelLayout = new GridLayout(3,1);
  74             chooseGroupSizePanel.setLayout(creationPanelLayout);
  75             creationPanel.setBorder(new TitledBorder("Create Groups"));
  76
  77             creationPanel.add(chooseGroupSizePanel);
  78                 chooseGroupSizePanel.add(creationLabel);
  79                 chooseGroupSizePanel.add(spinner);
  80                 chooseGroupSizePanel.add(next);
  81
  82                 wrapper.add(creationPanel);
  83         }
  84
  85         private void initGroupOverview(JPanel wrapper) {
  86                 JPanel overviewPanel = new JPanel();
  87                 groupModel = new GroupOverviewModel();
  88                 JTable overviewTable = new JTable(groupModel);
  89                 JScrollPane scrollPane = new JScrollPane(overviewTable);
  90
  91                 overviewPanel.setBorder(new TitledBorder("Group Overview"));
  92                 scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
  93
  94                 overviewPanel.add(scrollPane);
  95                 wrapper.add(overviewPanel);
  96         }
  97
  98
  99         /**
 100          * Handles the Wizard-like creation of groups.
 101          * <p />
 102          * Give an instance of this class as a callback to the Panel from which
 103          * a group creation request should be issued
 104          */
 105         class GroupCreationHandler {
 106                 private JPanel creationPanel;
 107                 private JPanel chooseGroupSizePanel;
 108                 private JPanel groupCreationPanel;
 109
 110                 public GroupCreationHandler(JPanel creationPanel, JPanel chooseGroupSizePanel, JPanel groupCreationPanel) {
 111                         this.creationPanel = creationPanel;
 112                         this.chooseGroupSizePanel = chooseGroupSizePanel;
 113                         this.groupCreationPanel = groupCreationPanel;
 114                 }
 115
 116                 public void showGroupCreationDetailPanel() {
 117                         chooseGroupSizePanel.setVisible(false);
 118                         creationPanel.add(groupCreationPanel);
 119                 }
 120
 121                 public void handleGroupCreation(GroupCreationRequest gc) {
 122                         chooseGroupSizePanel.setVisible(true);
 123                         creationPanel.remove(groupCreationPanel);
 124                         creationPanel.repaint();
 125
 126                         createGroups(gc);
 127                 }
 128
 129                 private void createGroups(GroupCreationRequest gc) {
 130                         List<Group> newGroups = new ArrayList<>();
 131                         for(int i=0; i<gc.numberOfGroups; i++) {
 132                                 Group group = new Group();
 133                                 group.setId(idCounter);
 134                                 group.setSize(gc.size);
 135                                 group.setPizzas(gc.pizzaTypes);
 136                                 idCounter = idCounter + 1;
 137
 138                                 newGroups.add(group);
 139                         }
 140                         groupModel.addItems(newGroups);
 141                 }
 142
 143                 public void handleCancel() {
 144                         chooseGroupSizePanel.setVisible(true);
 145                         creationPanel.remove(groupCreationPanel);
 146                         creationPanel.repaint();
 147                 }
 148         }
 149
 150 }