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
  12 import javax.swing.JButton;
  13 import javax.swing.JFrame;
  14 import javax.swing.JLabel;
  15 import javax.swing.JPanel;
  16 import javax.swing.JScrollPane;
  17 import javax.swing.JSpinner;
  18 import javax.swing.JTable;
  19 import javax.swing.ScrollPaneConstants;
  20 import javax.swing.SpinnerNumberModel;
  21 import javax.swing.border.TitledBorder;
  22
  23 import at.ac.tuwien.sbc.valesriegler.group.Group;
  24 import at.ac.tuwien.sbc.valesriegler.group.GroupAgent;
  25
  26 /**
  27  * Base Frame of the Group UI
  28  *
  29  * @author Gregor Riegler <gregor DOT riegler AT gmail DOT com>
  30  *
  31  */
  32 @SuppressWarnings("serial")
  33 public class GroupFrame extends JFrame {
  34         public GroupFrame(GroupOverviewModel groupModel) {
  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, groupModel);
  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
  59                 // Wizard should be shown
  60                 next.addActionListener(new ActionListener() {
  61                         @Override
  62                         public void actionPerformed(ActionEvent e) {
  63                                 int numberMembers = (int) spinner.getValue();
  64                                 final GroupCreationPanel groupCreationPanel = new GroupCreationPanel(numberMembers);
  65                                 GroupCreationHandler groupCreationHandler = new GroupCreationHandler(creationPanel, chooseGroupSizePanel,
  66                                                 groupCreationPanel);
  67
  68                                 groupCreationPanel.setCreateAndCancelHandler(groupCreationHandler);
  69                                 groupCreationHandler.showGroupCreationDetailPanel();
  70
  71                         }
  72                 });
  73
  74                 GridLayout creationPanelLayout = new GridLayout(3, 1);
  75                 chooseGroupSizePanel.setLayout(creationPanelLayout);
  76                 creationPanel.setBorder(new TitledBorder("Create Groups"));
  77
  78                 creationPanel.add(chooseGroupSizePanel);
  79                 chooseGroupSizePanel.add(creationLabel);
  80                 chooseGroupSizePanel.add(spinner);
  81                 chooseGroupSizePanel.add(next);
  82
  83                 wrapper.add(creationPanel);
  84         }
  85
  86         private void initGroupOverview(JPanel wrapper, GroupOverviewModel groupModel) {
  87                 JPanel overviewPanel = new JPanel(new GridBagLayout());
  88
  89                 JTable overviewTable = new JTable(groupModel);
  90                 JScrollPane scrollPane = new JScrollPane(overviewTable);
  91
  92                 overviewPanel.setBorder(new TitledBorder("Group Overview"));
  93                 scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED);
  94
  95                 GridBagConstraints c = new GridBagConstraints();
  96                 c.gridx = 0;
  97                 c.weightx = 1;
  98                 c.weighty = 1;
  99                 c.insets = new Insets(10, 10, 10, 10);
 100                 c.fill = GridBagConstraints.BOTH;
 101                 overviewPanel.add(scrollPane, c);
 102                 wrapper.add(overviewPanel);
 103         }
 104
 105         /**
 106          * Handles the Wizard-like creation of groups.
 107          * <p />
 108          * Give an instance of this class as a callback to the Panel from which a
 109          * group creation request should be issued
 110          */
 111         class GroupCreationHandler {
 112                 private JPanel creationPanel;
 113                 private JPanel chooseGroupSizePanel;
 114                 private JPanel groupCreationPanel;
 115
 116                 public GroupCreationHandler(JPanel creationPanel, JPanel chooseGroupSizePanel, JPanel groupCreationPanel) {
 117                         this.creationPanel = creationPanel;
 118                         this.chooseGroupSizePanel = chooseGroupSizePanel;
 119                         this.groupCreationPanel = groupCreationPanel;
 120                 }
 121
 122                 public void showGroupCreationDetailPanel() {
 123                         chooseGroupSizePanel.setVisible(false);
 124                         creationPanel.add(groupCreationPanel);
 125                 }
 126
 127                 public void handleGroupCreation(GroupCreationRequest gc) {
 128                         chooseGroupSizePanel.setVisible(true);
 129                         creationPanel.remove(groupCreationPanel);
 130                         creationPanel.repaint();
 131
 132                         createGroups(gc);
 133                 }
 134
 135                 public void createGroups(GroupCreationRequest gc) {
 136                         List<Group> newGroups = new ArrayList<>();
 137                         for (int i = 0; i < gc.numberOfGroups; i++) {
 138                                 Group group = new Group();
 139                                 group.getGroupData().setSize(gc.size);
 140                                 group.getGroupData().setPizzas(gc.pizzaTypes);
 141
 142                                 newGroups.add(group);
 143                         }
 144                         GroupAgent.getInstance().getGroupModel().addItems(newGroups);
 145                 }
 146
 147                 public void handleCancel() {
 148                         chooseGroupSizePanel.setVisible(true);
 149                         creationPanel.remove(groupCreationPanel);
 150                         creationPanel.repaint();
 151                 }
 152         }
 153
 154 }