Лабораторная работа №4

src/CollectionGenericObjects/AbstractCompany.java

@@ -18,7 +18,7 @@ public abstract class AbstractCompany {
         _pictureWidth = picWidth;
         _pictureHeight = picHeight;
         _collection = collection;
-        _collection.SetMaxCount(GetMaxCount(), DrawingBulldozer.class);
+        _collection.SetMaxCount(GetMaxCount());
     }
     //перегрузка операторов в джаве невозможна
     public DrawingBulldozer GetRandomObject()

src/CollectionGenericObjects/CollectionType.java

@@ -0,0 +1,7 @@
+package CollectionGenericObjects;
+
+public enum CollectionType {
+    None,
+    Massive,
+    List
+}

src/CollectionGenericObjects/ICollectionGenericObjects.java

@@ -3,9 +3,8 @@ package CollectionGenericObjects;
 public interface ICollectionGenericObjects<T>
 {
     int getCount();
-    void SetMaxCount(int count, Class<T> type);
+    void SetMaxCount(int count);
     int Insert(T obj);
-    int Insert(T obj, int position);
     T Remove(int position);
     T Get(int position);
 }

src/CollectionGenericObjects/ListGenericObjects.java

@@ -0,0 +1,41 @@
+package CollectionGenericObjects;
+
+import java.util.ArrayList;
+import java.util.List;
+public class ListGenericObjects<T> implements ICollectionGenericObjects<T> {
+    private List<T> _collection;
+    private int _maxCount;
+    public int getCount() {
+        return _collection.size();
+    }
+    @Override
+    public void SetMaxCount(int size) {
+        if (size > 0) {
+            _maxCount = size;
+        }
+    }
+    public ListGenericObjects() {
+        _collection = new ArrayList<T>();
+    }
+    @Override
+    public T Get(int position)
+    {
+        if (position >= getCount() || position < 0) return null;
+        return _collection.get(position);
+    }
+    @Override
+    public int Insert(T obj)
+    {
+        if (getCount() == _maxCount) return -1;
+        _collection.add(obj);
+        return getCount();
+    }
+    @Override
+    public T Remove(int position)
+    {
+        if (position >= getCount() || position < 0) return null;
+        T obj = _collection.get(position);
+        _collection.remove(position);
+        return obj;
+    }
+}

src/CollectionGenericObjects/MassiveGenericObjects.java

@@ -1,14 +1,18 @@
 package CollectionGenericObjects;
 
+import Drawings.DrawingBulldozer;
 import java.lang.reflect.Array;
 
 public class MassiveGenericObjects<T> implements ICollectionGenericObjects<T>{
-    private T[] _collection;
+    private T[] _collection = null;
     private int Count;
-    public void SetMaxCount(int size, Class<T> type) {
+    @Override
+    public void SetMaxCount(int size) {
         if (size > 0) {
-            _collection = (T[]) Array.newInstance(type, size);
+            if (_collection == null){
-            Count = size;
+                _collection = (T[]) Array.newInstance((Class) DrawingBulldozer.class, size);
+                Count = size;
+            }
         }
     }
     @Override
@@ -30,36 +34,6 @@ public class MassiveGenericObjects<T> implements ICollectionGenericObjects<T>{
         return -1;
     }
     @Override
-    public int Insert(T obj, int position) {
-        if (position >= getCount() || position < 0)
-            return -1;
-        if (_collection[position] == null) {
-            _collection[position] = obj;
-            return position;
-        }
-        int index = position + 1;
-        while (index < getCount())
-        {
-            if (_collection[index] == null)
-            {
-                _collection[index] = obj;
-                return index;
-            }
-            ++index;
-        }
-        index = position - 1;
-        while (index >= 0)
-        {
-            if (_collection[index] == null)
-            {
-                _collection[index] = obj;
-                return index;
-            }
-            --index;
-        }
-        return -1;
-    }
-    @Override
     public T Remove(int position) {
         if (position >= getCount() || position < 0)
             return null;

src/CollectionGenericObjects/StorageCollection.java

@@ -0,0 +1,41 @@
+package CollectionGenericObjects;
+
+import java.util.*;
+
+public class StorageCollection<T> {
+    private Map<String, ICollectionGenericObjects<T>> _storages;
+    public StorageCollection()
+    {
+        _storages = new HashMap<String, ICollectionGenericObjects<T>>();
+    }
+    public Set<String> Keys() {
+        Set<String> keys = _storages.keySet();
+        return keys;
+    }
+    public void AddCollection(String name, CollectionType collectionType)
+    {
+        if (_storages.containsKey(name)) return;
+        if (collectionType == CollectionType.None) return;
+        else if (collectionType == CollectionType.Massive)
+            _storages.put(name, new MassiveGenericObjects<T>());
+        else if (collectionType == CollectionType.List)
+            _storages.put(name, new ListGenericObjects<T>());
+    }
+    public void DelCollection(String name)
+    {
+        if (_storages.containsKey(name))
+            _storages.remove(name);
+    }
+    // в джаве отсутствуют индикаторы
+    public ICollectionGenericObjects<T> getCollectionObject(String name) {
+        if (_storages.containsKey(name))
+            return _storages.get(name);
+        return null;
+    }
+    //дополнительное задание 1
+    public T Get(String name, int position){
+        if(_storages.containsKey(name))
+            return _storages.get(name).Remove(position);
+        return null;
+    }
+}

src/FormBulldozerCollection.java

@@ -1,6 +1,4 @@
-import CollectionGenericObjects.AbstractCompany;
+import CollectionGenericObjects.*;
-import CollectionGenericObjects.BulldozerSharingService;
-import CollectionGenericObjects.MassiveGenericObjects;
 import Drawings.CanvasFormBulldozerCollection;
 import Drawings.DrawingBulldozer;
 import Drawings.DrawingExcavator;
@@ -12,6 +10,7 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.text.ParseException;
 import java.util.Random;
+import java.util.LinkedList;
 
 import static java.lang.Integer.parseInt;
 
@@ -20,11 +19,21 @@ public class FormBulldozerCollection extends JFrame{
     private Dimension dimension;
     public static CanvasFormBulldozerCollection<DrawingBulldozer> _canvasExcavator = new CanvasFormBulldozerCollection<DrawingBulldozer>();
     private static AbstractCompany _company = null;
-    private JButton CreateExcButton = new JButton("Создать экскаватор");
+    private LinkedList<DrawingBulldozer> _collectionRemoveObjects = new LinkedList<DrawingBulldozer>();
+    private StorageCollection<DrawingBulldozer> _storageCollection = new StorageCollection<DrawingBulldozer>();
+    private JTextField textBoxCollection = new JTextField();
+    private JRadioButton radioButtonMassive = new JRadioButton("Массив");
+    private JRadioButton radioButtonList = new JRadioButton("Список");
+    private JButton buttonAddCollection = new JButton("Добавить");
+    private JList listBoxCollection = new JList();
+    private JButton buttonRemoveCollection = new JButton("Удалить");
+    private JButton buttonCreateCompany = new JButton("Создать компанию");
+    private JButton CreateExcButton = new JButton("Создать экскаватор");;
     private JButton CreateBullButton = new JButton("Создать бульдозер");
     private JButton RemoveButton = new JButton("Удалить");
     private JButton GoToCheckButton = new JButton("Тест");
     private JButton RandomButton = new JButton("Случайный объект");
+    private JButton RemoveObjectsButton = new JButton("Показать удаленный");
     private JButton RefreshButton = new JButton("Обновить");
     private JComboBox ComboBoxCollections = new JComboBox(new String[]{"", "Хранилище"});
     private JFormattedTextField MaskedTextField;
@@ -55,7 +64,7 @@ public class FormBulldozerCollection extends JFrame{
                 break;
             default: return;
         }
-        if (_company._collection.Insert(drawingBulldozer, 0) != -1) {
+        if (_company._collection.Insert(drawingBulldozer) != -1) {
             JOptionPane.showMessageDialog(null, "Объект добавлен");
             canvasShow();
         }
@@ -83,17 +92,6 @@ public class FormBulldozerCollection extends JFrame{
 
         MaskedTextField = new JFormattedTextField(mask);
 
-        ComboBoxCollections.addActionListener(new ActionListener() {
-            @Override
-            public void actionPerformed(ActionEvent e) {
-                switch (ComboBoxCollections.getSelectedItem().toString()) {
-                    case "Хранилище":
-                        _company = new BulldozerSharingService(getWidth()-200, getHeight()-70, new MassiveGenericObjects<DrawingBulldozer>());
-                        break;
-                }
-            }
-        });
-
         CreateBullButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
@@ -110,7 +108,7 @@ public class FormBulldozerCollection extends JFrame{
         RemoveButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                if (_company == null || MaskedTextField.getText() == null) {
+                if (_company == null || MaskedTextField.getText() == null || listBoxCollection.getSelectedValue().toString() == null) {
                     return;
                 }
                 int pos = parseInt(MaskedTextField.getText());
@@ -118,8 +116,10 @@ public class FormBulldozerCollection extends JFrame{
                         "Удалить", "Удаление",
                         JOptionPane.YES_NO_OPTION);
                 if (resultConfirmDialog == JOptionPane.NO_OPTION) return;
-                if (_company._collection.Remove(pos) != null) {
+                DrawingBulldozer obj = _storageCollection.Get(listBoxCollection.getSelectedValue().toString(), pos);
+                if (obj != null) {
                     JOptionPane.showMessageDialog(null, "Объект удален");
+                    _collectionRemoveObjects.push(obj);
                     canvasShow();
                 }
                 else {
@@ -178,27 +178,141 @@ public class FormBulldozerCollection extends JFrame{
             }
         });
 
+        buttonAddCollection.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (textBoxCollection.getText().isEmpty() || (!radioButtonMassive.isSelected()
+                        && !radioButtonList.isSelected())) {
+                    JOptionPane.showMessageDialog(null, "Не все данные заполнены");
+                    return;
+                }
+                CollectionType collectionType = CollectionType.None;
+                if (radioButtonMassive.isSelected())
+                {
+                    collectionType = CollectionType.Massive;
+                }
+                else if (radioButtonList.isSelected())
+                {
+                    collectionType = CollectionType.List;
+                }
+                _storageCollection.AddCollection(textBoxCollection.getText(), collectionType);
+                RefreshListBoxItems();
+            }
+        });
+
+        buttonRemoveCollection.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (listBoxCollection.getSelectedIndex() < 0 || listBoxCollection.getSelectedValue() == null) {
+                    JOptionPane.showMessageDialog(null, "Коллекция не выбрана");
+                    return;
+                }
+                int resultConfirmDialog = JOptionPane.showConfirmDialog(null,
+                        "Удалить", "Удаление",
+                        JOptionPane.YES_NO_OPTION);
+                if (resultConfirmDialog == JOptionPane.NO_OPTION) return;
+                _storageCollection.DelCollection(listBoxCollection.getSelectedValue().toString());
+                RefreshListBoxItems();
+            }
+        });
+
+        buttonCreateCompany.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (listBoxCollection.getSelectedIndex() < 0 || listBoxCollection.getSelectedValue() == null) {
+                    JOptionPane.showMessageDialog(null, "Коллекция не выбрана");
+                    return;
+                }
+                ICollectionGenericObjects<DrawingBulldozer> collection =
+                        _storageCollection.getCollectionObject(listBoxCollection.getSelectedValue().toString());
+                if (collection == null) {
+                    JOptionPane.showMessageDialog(null, "Коллекция не проинициализирована");
+                    return;
+                }
+                switch (ComboBoxCollections.getSelectedItem().toString()) {
+                    case "Хранилище":
+                        _company = new BulldozerSharingService(getWidth()-200, getHeight()-70,
+                                collection);
+                        break;
+                }
+                RefreshListBoxItems();
+            }
+        });
+
+        RemoveObjectsButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (_collectionRemoveObjects.isEmpty())
+                {
+                    return;
+                }
+                DrawingBulldozer bulldozer = null;
+                bulldozer = _collectionRemoveObjects.pop();
+                if (bulldozer == null)
+                {
+                    return;
+                }
+                FormExcavator form = new FormExcavator("Экскаватор", new Dimension(900,565));
+                form.Init(bulldozer);
+            }
+        });
+
+        JLabel labelCollectionName = new JLabel("Название коллекции");
+        ButtonGroup radioButtonsGroup = new ButtonGroup();
+        radioButtonsGroup.add(radioButtonMassive);
+        radioButtonsGroup.add(radioButtonList);
+
         _canvasExcavator.setBounds(0, 0, getWidth()-200, getHeight());
+        labelCollectionName.setBounds(getWidth()-190, 30, 150, 20);
+        textBoxCollection.setBounds(getWidth()-190, 52, 150, 25);
+        radioButtonMassive.setBounds(getWidth()-190, 80, 75, 20);
+        radioButtonList.setBounds(getWidth()-105, 80, 75, 20);
+        buttonAddCollection.setBounds(getWidth()-190, 105, 150, 20);
+        listBoxCollection.setBounds(getWidth()-190, 135, 150, 70);
+        buttonRemoveCollection.setBounds(getWidth()-190, 210, 150, 20);
         ComboBoxCollections.setBounds(getWidth()-190, 10, 150, 20);
-        CreateBullButton.setBounds(getWidth()-190, 60, 150, 30);
+        buttonCreateCompany.setBounds(getWidth()-190, 240, 150, 20);
-        CreateExcButton.setBounds(getWidth()-190, 100, 150, 30);
+        CreateBullButton.setBounds(getWidth()-190, 280, 150, 30);
-        MaskedTextField.setBounds(getWidth()-190,200,150,30);
+        CreateExcButton.setBounds(getWidth()-190, 320, 150, 30);
-        RemoveButton.setBounds(getWidth()-190, 240, 150, 30);
+        MaskedTextField.setBounds(getWidth()-190,360,150,30);
-        GoToCheckButton.setBounds(getWidth()-190, 280, 150, 30);
+        RemoveButton.setBounds(getWidth()-190, 400, 150, 30);
-        RandomButton.setBounds(getWidth()-190, 320, 150, 30);
+        GoToCheckButton.setBounds(getWidth()-190, 440, 150, 30);
+        RandomButton.setBounds(getWidth()-190, 480, 150, 30);
+        RemoveObjectsButton.setBounds(getWidth()-190, 520, 150, 30);
         RefreshButton.setBounds(getWidth()-190, getHeight()-90, 150, 30);
 
         setSize(dimension.width,dimension.height);
         setLayout(null);
         add(_canvasExcavator);
+        add(labelCollectionName);
+        add(textBoxCollection);
+        add(radioButtonMassive);
+        add(radioButtonList);
+        add(buttonAddCollection);
+        add(listBoxCollection);
+        add(buttonRemoveCollection);
         add(ComboBoxCollections);
+        add(buttonCreateCompany);
         add(CreateBullButton);
         add(CreateExcButton);
         add(MaskedTextField);
         add(RemoveButton);
         add(GoToCheckButton);
         add(RandomButton);
+        add(RemoveObjectsButton);
         add(RefreshButton);
         setVisible(true);
     }
+
+    private void RefreshListBoxItems()
+    {
+        DefaultListModel<String> list = new DefaultListModel<String>();
+        for (String name : _storageCollection.Keys()) {
+            if (name != "")
+            {
+                list.addElement(name);
+            }
+        }
+        listBoxCollection.setModel(list);
+    }
 }