Add basic UI for itinerary page

src/main/java/seedu/waddle/model/item/Day.java

@@ -27,6 +27,7 @@ public int compare(Item item1, Item item2) {
      */
     public Day(int dayNumber) {
         this.dayNumber = dayNumber;
+        this.itemList = new UniqueItemList();
     }
 
     /**
@@ -107,4 +108,8 @@ public int getItemSize() {
     public boolean hasItem(Item item) {
         return this.itemList.contains(item);
     }
+
+    public UniqueItemList getItemList() {
+        return this.itemList;
+    }
 }

src/main/java/seedu/waddle/model/itinerary/Itinerary.java

@@ -7,6 +7,8 @@
 import java.util.List;
 import java.util.Objects;
 
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import seedu.waddle.commons.core.index.MultiIndex;
 import seedu.waddle.logic.commands.exceptions.CommandException;
 import seedu.waddle.model.item.Day;
@@ -201,6 +203,16 @@ public Item getItem(MultiIndex index) {
         }
     }
 
+    public ObservableList<ObservableList<Item>> getUnmodifiableItemGroups() {
+        ObservableList<ObservableList<Item>> itemGroups = FXCollections.observableArrayList();
+        itemGroups.add(this.unscheduledItemList.asUnmodifiableObservableList());
+        for (Day day : this.days) {
+            ObservableList<Item> itemList = day.getItemList().asUnmodifiableObservableList();
+            itemGroups.add(itemList);
+        }
+        return FXCollections.unmodifiableObservableList(itemGroups);
+    }
+
     /**
      * Returns true if both itineraries have the same identity and data fields.
      * This defines a stronger notion of equality between two itineraries.

src/main/java/seedu/waddle/storage/JsonAdaptedItem.java

@@ -5,7 +5,7 @@
 
 import seedu.waddle.commons.exceptions.IllegalValueException;
 import seedu.waddle.model.item.Cost;
-import seedu.waddle.model.item.Duration;
+//import seedu.waddle.model.item.Duration;
 import seedu.waddle.model.item.Item;
 import seedu.waddle.model.item.Priority;
 
@@ -19,7 +19,7 @@ public class JsonAdaptedItem {
     private final String description;
     private final String priority;
     private final String cost;
-    private final String duration;
+    //private final String duration;
 
     /**
      * Constructs a {@code JsonAdaptedItem} with the given item details.
@@ -32,7 +32,7 @@ public JsonAdaptedItem(@JsonProperty("description") String description,
         this.description = description;
         this.priority = priority;
         this.cost = cost;
-        this.duration = duration;
+        //this.duration = duration;
     }
 
     /**
@@ -42,7 +42,8 @@ public JsonAdaptedItem(Item source) {
         description = source.getDescription();
         priority = source.getPriority().priority;
         cost = source.getCost().toString();
-        duration = source.getDuration().toString();
+        //TODO duration and startTime null error
+        //duration = source.getDuration().toString();
     }
 
     /**
@@ -74,9 +75,9 @@ public Item toModelType() throws IllegalValueException {
 
         final Priority modelPriority = new Priority(priority);
         final Cost modelCost = new Cost(cost);
-        final Duration modelDuration = new Duration(duration);
+        //final Duration modelDuration = new Duration(duration);
 
-        return new Item(modelDescription, modelPriority, modelCost, modelDuration);
+        return new Item(modelDescription, modelPriority, modelCost, null);
     }
 
 }

src/main/java/seedu/waddle/ui/ItemGroupCard.java

@@ -0,0 +1,65 @@
+package seedu.waddle.ui;
+
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.scene.layout.Region;
+import javafx.scene.layout.StackPane;
+import seedu.waddle.model.item.Item;
+
+/**
+ * An UI component that displays information of a {@code Itinerary}.
+ */
+public class ItemGroupCard extends UiPart<Region> {
+
+    private static final String FXML = "ItemGroupListCard.fxml";
+
+    /**
+     * Note: Certain keywords such as "location" and "resources" are reserved keywords in JavaFX.
+     * As a consequence, UI elements' variable names cannot be set to such keywords
+     * or an exception will be thrown by JavaFX during runtime.
+     *
+     * @see <a href="https://github.com/se-edu/addressbook-level4/issues/336">The issue on AddressBook level 4</a>
+     */
+
+    public final ObservableList<Item> itemGroup;
+
+    @FXML
+    private Label id;
+    @FXML
+    private StackPane itemListPanelPlaceholder;
+
+
+    /**
+     * Creates a {@code ItineraryCode} with the given {@code Itinerary} and index to display.
+     */
+    public ItemGroupCard(ObservableList<Item> itemGroup, int displayedIndex) {
+        super(FXML);
+        this.itemGroup = itemGroup;
+        if (displayedIndex == 0) {
+            this.id.setText("Wishlist");
+        } else {
+            this.id.setText("Day " + displayedIndex);
+        }
+        System.out.println("SET ITEM GROUP ID");
+        this.itemListPanelPlaceholder.getChildren().add(new ItemListPanel(itemGroup).getRoot());
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        // short circuit if same object
+        if (other == this) {
+            return true;
+        }
+
+        // instanceof handles nulls
+        if (!(other instanceof ItemGroupCard)) {
+            return false;
+        }
+
+        // state check
+        ItemGroupCard card = (ItemGroupCard) other;
+        return id.getText().equals(card.id.getText())
+                && itemGroup.equals(card.itemGroup);
+    }
+}

src/main/java/seedu/waddle/ui/ItemGroupListPanel.java

@@ -0,0 +1,49 @@
+package seedu.waddle.ui;
+
+import java.util.logging.Logger;
+
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.scene.control.ListCell;
+import javafx.scene.control.ListView;
+import seedu.waddle.commons.core.LogsCenter;
+import seedu.waddle.model.item.Item;
+
+/**
+ * Panel containing the list of Items.
+ */
+public class ItemGroupListPanel extends ListPanel {
+    private static final String FXML = "ItemGroupListPanel.fxml";
+    private final Logger logger = LogsCenter.getLogger(ItemGroupListPanel.class);
+
+    @FXML
+    private ListView<ObservableList<Item>> itemGroupListView;
+
+    /**
+     * Creates a {@code ItemListPanel} with the given {@code ObservableList}.
+     */
+    public ItemGroupListPanel(ObservableList<ObservableList<Item>> itemGroups) {
+        super(FXML);
+        itemGroupListView.setItems(itemGroups);
+        itemGroupListView.setCellFactory(listView -> new ItemGroupListPanel.ItemGroupListViewCell());
+        System.out.println("DONE CREATING GROUP LIST PANEL");
+    }
+
+    /**
+     * Custom {@code ListCell} that displays the graphics of a {@code Item} using a {@code ItemCard}.
+     */
+    class ItemGroupListViewCell extends ListCell<ObservableList<Item>> {
+        @Override
+        protected void updateItem(ObservableList<Item> itemGroup, boolean empty) {
+            super.updateItem(itemGroup, empty);
+
+            if (empty || itemGroup == null) {
+                setGraphic(null);
+                setText(null);
+            } else {
+                setGraphic(new ItemGroupCard(itemGroup, getIndex()).getRoot());
+            }
+        }
+    }
+
+}

src/main/java/seedu/waddle/ui/MainWindow.java

@@ -207,9 +207,10 @@ private CommandResult executeCommand(String commandText) throws CommandException
                     setListPanel(new ItineraryListPanel(itineraryList));
                     break;
                 case WISH:
-                    ObservableList<Item> itemList = StageManager.getInstance().getSelectedItinerary()
-                            .getItemList().asUnmodifiableObservableList();
-                    setListPanel(new ItemListPanel(itemList));
+                    ObservableList<ObservableList<Item>> itemGroups = StageManager.getInstance()
+                            .getSelectedItinerary().getUnmodifiableItemGroups();
+                    System.out.println("GOT UNMODIFIABLE ITEM GROUPS");
+                    setListPanel(new ItemGroupListPanel(itemGroups));
                     break;
                 case SCHEDULE:
                     //TODO: create a ListPanel for Schedule page

src/main/resources/view/ItemGroupListCard.fxml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.StackPane?>
+<?import javafx.scene.layout.VBox?>
+
+<VBox VBox.vgrow="ALWAYS" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
+   <children>
+      <Label fx:id="id" prefHeight="60.0" text="Label" />
+      <StackPane fx:id="itemListPanelPlaceholder" prefHeight="100" VBox.vgrow="ALWAYS" />
+   </children>
+</VBox>

src/main/resources/view/ItemGroupListPanel.fxml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.ListView?>
+<?import javafx.scene.layout.VBox?>
+
+<VBox xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
+    <ListView fx:id="itemGroupListView" VBox.vgrow="ALWAYS" />
+</VBox>