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.GridBagConstraints;
   4 import java.awt.GridBagLayout;
   5 import java.awt.GridLayout;
   6 import java.awt.Insets;
   7 import java.awt.event.ActionEvent;
   8 import java.awt.event.ActionListener;
   9 import java.util.ArrayList;
  10 import java.util.List;
  11 import java.util.concurrent.atomic.AtomicInteger;
  12
  13 import javax.swing.JButton;
  14 import javax.swing.JFrame;
  15 import javax.swing.JLabel;
  16 import javax.swing.JOptionPane;
  17 import javax.swing.JPanel;
  18 import javax.swing.JScrollPane;
  19 import javax.swing.JSpinner;
  20 import javax.swing.JTable;
  21 import javax.swing.SpinnerNumberModel;
  22 import javax.swing.border.TitledBorder;
  23
  24 import at.ac.tuwien.sbc.valesriegler.group.Group;
  25
  26 /**
  27  * Base Frame of the Group UI
  28  *
  29  * @author Gregor Riegler <gregor DOT riegler AT gmail DOT com>
  30  *
  31  */
  32 public class GroupFrame extends JFrame {
  33         private int idCounter = 1;
  34
  35         private GroupOverviewModel groupModel;
  36
  37         public GroupFrame() {
  38                 super("Groups");
  39                 JPanel wrapper = new JPanel();
  40                 GridLayout wrapperLayout = new GridLayout(2, 1);
  41                 wrapper.setLayout(wrapperLayout);
  42
  43                 // Create Wizard-like panel for the creation of groups
  44                 initGroupCreation(wrapper);
  45
  46                 // Create the panel for the group overview table
  47                 initGroupOverview(wrapper);
  48
  49                 setContentPane(wrapper);
  50                 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  51         }
  52
  53         private void initGroupCreation(JPanel wrapper) {
  54                 final JPanel creationPanel = new JPanel();
  55                 final JPanel chooseGroupSizePanel = new JPanel();
  56                 JLabel creationLabel = new JLabel("How many members should the group have?");
  57                 JButton next = new JButton("Next");
  58                 SpinnerNumberModel model = new SpinnerNumberModel(1,1,4,1);
  59             final JSpinner spinner = new JSpinner(model);
  60
  61             // When 'next' is clicked the second, final panel of the Group Creation Wizard should be shown
  62             next.addActionListener(new ActionListener() {
  63                         @Override
  64                         public void actionPerformed(ActionEvent e) {
  65                                 int numberMembers = (int) spinner.getValue();
  66                                 final GroupCreationPanel groupCreationPanel = new GroupCreationPanel(numberMembers);
  67                                 GroupCreationHandler groupCreationHandler = new GroupCreationHandler(creationPanel, chooseGroupSizePanel, groupCreationPanel);
  68
  69                                 groupCreationPanel.setCreateAndCancelHandler(groupCreationHandler);
  70                                 groupCreationHandler.showGroupCreationDetailPanel();
  71
  72
  73                         }
  74                 });
  75
  76             GridLayout creationPanelLayout = new GridLayout(3,1);
  77             chooseGroupSizePanel.setLayout(creationPanelLayout);
  78             creationPanel.setBorder(new TitledBorder("Create Groups"));
  79
  80             creationPanel.add(chooseGroupSizePanel);
  81                 chooseGroupSizePanel.add(creationLabel);
  82                 chooseGroupSizePanel.add(spinner);
  83                 chooseGroupSizePanel.add(next);
  84
  85                 wrapper.add(creationPanel);
  86         }
  87
  88         private void initGroupOverview(JPanel wrapper) {
  89                 JPanel overviewPanel = new JPanel(new GridBagLayout());
  90
  91                 groupModel = new GroupOverviewModel();
  92                 JTable overviewTable = new JTable(groupModel);
  93                 JScrollPane scrollPane = new JScrollPane(overviewTable);
  94
  95                 overviewPanel.setBorder(new TitledBorder("Group Overview"));
  96                 scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
  97
  98                 GridBagConstraints c = new GridBagConstraints();
  99                 c.gridx = 0;
 100                 c.weightx = 1;
 101                 c.weighty = 1;
 102                 c.insets = new Insets(10, 10, 10, 10);
 103                 c.fill = GridBagConstraints.BOTH;
 104                 overviewPanel.add(scrollPane, c);
 105                 wrapper.add(overviewPanel);
 106         }
 107
 108
 109         /**
 110          * Handles the Wizard-like creation of groups.
 111          * <p />
 112          * Give an instance of this class as a callback to the Panel from which
 113          * a group creation request should be issued
 114          */
 115         class GroupCreationHandler {
 116                 private JPanel creationPanel;
 117                 private JPanel chooseGroupSizePanel;
 118                 private JPanel groupCreationPanel;
 119
 120                 public GroupCreationHandler(JPanel creationPanel, JPanel chooseGroupSizePanel, JPanel groupCreationPanel) {
 121                         this.creationPanel = creationPanel;
 122                         this.chooseGroupSizePanel = chooseGroupSizePanel;
 123                         this.groupCreationPanel = groupCreationPanel;
 124                 }
 125
 126                 public void showGroupCreationDetailPanel() {
 127                         chooseGroupSizePanel.setVisible(false);
 128                         creationPanel.add(groupCreationPanel);
 129                 }
 130
 131                 public void handleGroupCreation(GroupCreationRequest gc) {
 132                         chooseGroupSizePanel.setVisible(true);
 133                         creationPanel.remove(groupCreationPanel);
 134                         creationPanel.repaint();
 135
 136                         createGroups(gc);
 137                 }
 138
 139                 private void createGroups(GroupCreationRequest gc) {
 140                         List<Group> newGroups = new ArrayList<>();
 141                         for(int i=0; i<gc.numberOfGroups; i++) {
 142                                 Group group = new Group();
 143                                 group.setId(idCounter);
 144                                 group.setSize(gc.size);
 145                                 group.setPizzas(gc.pizzaTypes);
 146                                 idCounter = idCounter + 1;
 147
 148                                 newGroups.add(group);
 149                         }
 150                         groupModel.addItems(newGroups);
 151                 }
 152
 153                 public void handleCancel() {
 154                         chooseGroupSizePanel.setVisible(true);
 155                         creationPanel.remove(groupCreationPanel);
 156                         creationPanel.repaint();
 157                 }
 158         }
 159
 160 }