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Добавлены исключения и их обработка, немного изменена отрисовка объектов в хранилище и логика их хранения

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Данила Мочалов 2022-12-02 18:34:48 +04:00
parent 29ba58c11a
commit 02ac7e5533
6 changed files with 201 additions and 128 deletions
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169
FormMapWithSetLocomotives.java
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@ -6,6 +6,55 @@ import java.awt.event.ActionListener;
import java.awt.image.BufferedImage; import java.awt.image.BufferedImage;
import java.text.ParseException; import java.text.ParseException;
import java.util.HashMap; import java.util.HashMap;
// Остановился на первом коммите и этом файле. Проблема в том, что в СиШарпе при throw не нужно кусок кода
// обматывать в try catch, а в жабе это необходимо.
public class FormMapWithSetLocomotives extends JComponent { public class FormMapWithSetLocomotives extends JComponent {
private BufferedImage bufferImg = null; private BufferedImage bufferImg = null;
@ -113,24 +162,32 @@ public class FormMapWithSetLocomotives extends JComponent {
// Кнопка добавления локомотива // Кнопка добавления локомотива
JButton addLocomotiveButton = new JButton("Add Locomotive"); JButton addLocomotiveButton = new JButton("Add Locomotive");
addLocomotiveButton.addActionListener(e -> { addLocomotiveButton.addActionListener(e -> {
FormLocomotiveConfig formLocomotiveConfig = new FormLocomotiveConfig(); FormLocomotiveConfig formLocomotiveConfig = new FormLocomotiveConfig();
formLocomotiveConfig.setVisible(true); formLocomotiveConfig.setVisible(true);
formLocomotiveConfig.AddListener(locomotive -> { formLocomotiveConfig.AddListener(locomotive -> {
if (listBoxMaps.getSelectedIndex() == -1) { if (listBoxMaps.getSelectedIndex() == -1) {
return; return;
}
if (locomotive!=null) {
DrawningObjectLocomotive objectLocomotive = new DrawningObjectLocomotive(locomotive);
if (_mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).Plus(objectLocomotive)!= -1){
JOptionPane.showMessageDialog(formFrame, "Object added", "Success", JOptionPane.OK_CANCEL_OPTION);
bufferImg = _mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).ShowSet();
repaint();
} }
else { if (locomotive!=null) {
JOptionPane.showMessageDialog(formFrame, "Object cannot be added", "Error", JOptionPane.OK_CANCEL_OPTION); try {
DrawningObjectLocomotive objectLocomotive = new DrawningObjectLocomotive(locomotive);
if (_mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).Plus(objectLocomotive)!= -1){
JOptionPane.showMessageDialog(formFrame, "Object added", "Success", JOptionPane.OK_CANCEL_OPTION);
bufferImg = _mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).ShowSet();
repaint();
}
else {
JOptionPane.showMessageDialog(formFrame, "Object cannot be added", "Error", JOptionPane.OK_CANCEL_OPTION);
}
}
catch (StorageOverflowException ex) {
JOptionPane.showMessageDialog(formFrame, "Storage overflow error: "+ ex.getMessage());
}
catch (Exception ex) {
JOptionPane.showMessageDialog(formFrame, "Unknown error: "+ ex.getMessage());
}
} }
} });
});
}); });
statusPanel.add(addLocomotiveButton); statusPanel.add(addLocomotiveButton);
@ -149,20 +206,27 @@ public class FormMapWithSetLocomotives extends JComponent {
JFormattedTextField finalMaskedTextFieldPosition = maskedTextFieldPosition; JFormattedTextField finalMaskedTextFieldPosition = maskedTextFieldPosition;
deleteLocomotiveButton.addActionListener(e -> { deleteLocomotiveButton.addActionListener(e -> {
// логика удаления // логика удаления
if ((String)mapSelectComboBox.getSelectedItem() == null) { try{
return; if ((String)mapSelectComboBox.getSelectedItem() == null) {
return;
}
if (finalMaskedTextFieldPosition == null) {
return;
}
int position = Integer.parseInt(finalMaskedTextFieldPosition.getText());
if (_mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).Minus(position) != null) {
JOptionPane.showMessageDialog(formFrame, "Object removed", "Success", JOptionPane.OK_CANCEL_OPTION);
bufferImg = _mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).ShowSet();
repaint();
}
else{
JOptionPane.showMessageDialog(formFrame, "Object cannot be removed", "Error", JOptionPane.OK_CANCEL_OPTION);
}}
catch (LocomotiveNotFoundException ex) {
JOptionPane.showMessageDialog(formFrame, "Locomotive not found error: " + ex.getMessage());
} }
if (finalMaskedTextFieldPosition == null) { catch (Exception ex) {
return; JOptionPane.showMessageDialog(formFrame, "Unknown error: "+ ex.getMessage());
}
int position = Integer.parseInt(finalMaskedTextFieldPosition.getText());
if (_mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).Minus(position) != null) {
JOptionPane.showMessageDialog(formFrame, "Object removed", "Success", JOptionPane.OK_CANCEL_OPTION);
bufferImg = _mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).ShowSet();
repaint();
}
else{
JOptionPane.showMessageDialog(formFrame, "Object cannot be removed", "Error", JOptionPane.OK_CANCEL_OPTION);
} }
}); });
statusPanel.add(deleteLocomotiveButton); statusPanel.add(deleteLocomotiveButton);
@ -186,8 +250,13 @@ public class FormMapWithSetLocomotives extends JComponent {
{ {
return; return;
} }
bufferImg = _mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).ShowOnMap(); try {
repaint(); bufferImg = _mapsCollection.Get(listBoxMaps.getSelectedValue().toString()).ShowOnMap();
repaint();
}
catch (Exception ex) {
JOptionPane.showMessageDialog(null, "Unknown error: "+ ex.getMessage());
}
}); });
statusPanel.add(showOnMapButton); statusPanel.add(showOnMapButton);
@ -271,10 +340,13 @@ public class FormMapWithSetLocomotives extends JComponent {
fileChooser.setDialogTitle("Saving"); fileChooser.setDialogTitle("Saving");
int result = fileChooser.showSaveDialog(FormMapWithSetLocomotives.this); int result = fileChooser.showSaveDialog(FormMapWithSetLocomotives.this);
if (result == JFileChooser.APPROVE_OPTION ) { if (result == JFileChooser.APPROVE_OPTION ) {
if (_mapsCollection.SaveData(fileChooser.getSelectedFile().getAbsolutePath())) { try {
_mapsCollection.SaveData(fileChooser.getSelectedFile().getAbsolutePath());
JOptionPane.showMessageDialog(null, "Save success"); JOptionPane.showMessageDialog(null, "Save success");
} }
else JOptionPane.showMessageDialog(null, "Save failed"); catch (Exception ex) {
JOptionPane.showMessageDialog(null, "Save error: " + ex.getMessage());
}
} }
}); });
@ -285,13 +357,16 @@ public class FormMapWithSetLocomotives extends JComponent {
fileChooser.setDialogTitle("Loading"); fileChooser.setDialogTitle("Loading");
int result = fileChooser.showSaveDialog(FormMapWithSetLocomotives.this); int result = fileChooser.showSaveDialog(FormMapWithSetLocomotives.this);
if (result == JFileChooser.APPROVE_OPTION ) { if (result == JFileChooser.APPROVE_OPTION ) {
if (_mapsCollection.LoadData(fileChooser.getSelectedFile().getAbsolutePath())) { try {
_mapsCollection.LoadData(fileChooser.getSelectedFile().getAbsolutePath());
JOptionPane.showMessageDialog(null, "Load success"); JOptionPane.showMessageDialog(null, "Load success");
ReloadMaps();
repaint();
}
catch (Exception ex) {
JOptionPane.showMessageDialog(null, "Load error: " + ex.getMessage());
} }
else JOptionPane.showMessageDialog(null, "Load failed");
} }
ReloadMaps();
repaint();
}); });
statusPanel.add(loadButton); statusPanel.add(loadButton);
@ -306,11 +381,14 @@ public class FormMapWithSetLocomotives extends JComponent {
return; return;
} }
if(listBoxMaps.getSelectedValue().toString() == null) return; if(listBoxMaps.getSelectedValue().toString() == null) return;
if (_mapsCollection.SaveMap(listBoxMaps.getSelectedValue().toString(), fileChooser.getSelectedFile().getAbsolutePath())) { try {
_mapsCollection.SaveMap(listBoxMaps.getSelectedValue().toString(), fileChooser.getSelectedFile().getAbsolutePath());
JOptionPane.showMessageDialog(null, "Map saving success"); JOptionPane.showMessageDialog(null, "Map saving success");
repaint();
}
catch (Exception ex) {
JOptionPane.showMessageDialog(null, "Map saving error: " + ex.getMessage());
} }
else JOptionPane.showMessageDialog(null, "Map saving fail");
repaint();
} }
}); });
statusPanel.add(saveMapButton); statusPanel.add(saveMapButton);
@ -321,13 +399,16 @@ public class FormMapWithSetLocomotives extends JComponent {
fileChooser.setDialogTitle("Loading"); fileChooser.setDialogTitle("Loading");
int result = fileChooser.showSaveDialog(FormMapWithSetLocomotives.this); int result = fileChooser.showSaveDialog(FormMapWithSetLocomotives.this);
if (result == JFileChooser.APPROVE_OPTION ) { if (result == JFileChooser.APPROVE_OPTION ) {
if (_mapsCollection.LoadMap(fileChooser.getSelectedFile().getAbsolutePath())) { try {
_mapsCollection.LoadMap(fileChooser.getSelectedFile().getAbsolutePath());
JOptionPane.showMessageDialog(null, "Load Map success"); JOptionPane.showMessageDialog(null, "Load Map success");
ReloadMaps();
repaint();
}
catch (Exception ex) {
JOptionPane.showMessageDialog(null, "Load Map error: " + ex.getMessage());
} }
else JOptionPane.showMessageDialog(null, "Load Map failed");
} }
ReloadMaps();
repaint();
}); });
statusPanel.add(loadMapButton); statusPanel.add(loadMapButton);

5
LocomotiveNotFoundException.java Normal file
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@ -0,0 +1,5 @@
public class LocomotiveNotFoundException extends Exception{
public LocomotiveNotFoundException(int i) {
super("Не найден объект по позиции " + i);
}
}

20
MapWithSetLocomotivesGeneric.java
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@ -13,9 +13,9 @@ public class MapWithSetLocomotivesGeneric
/// Высота окна отрисовки /// Высота окна отрисовки
private final int _pictureHeight; private final int _pictureHeight;
/// Размер занимаемого объектом места (ширина) /// Размер занимаемого объектом места (ширина)
private final int _placeSizeWidth = 210; private final int _placeSizeWidth = 150;
/// Размер занимаемого объектом места (высота) /// Размер занимаемого объектом места (высота)
private final int _placeSizeHeight = 90; private final int _placeSizeHeight = 150;
public final SetLocomotivesGeneric<T> _setLocomotives; public final SetLocomotivesGeneric<T> _setLocomotives;
// Список удаленных объектов // Список удаленных объектов
@ -39,12 +39,12 @@ public class MapWithSetLocomotivesGeneric
} }
/// Добавление /// Добавление
public int Plus(T locomotive) public int Plus(T locomotive) throws StorageOverflowException
{ {
return this._setLocomotives.Insert(locomotive); return this._setLocomotives.Insert(locomotive);
} }
/// Удаление /// Удаление
public T Minus(int position) public T Minus(int position) throws LocomotiveNotFoundException
{ {
T temp = this._setLocomotives.Remove(position); T temp = this._setLocomotives.Remove(position);
if (temp == null) return null; if (temp == null) return null;
@ -62,7 +62,7 @@ public class MapWithSetLocomotivesGeneric
} }
/// Просмотр объекта на карте /// Просмотр объекта на карте
public BufferedImage ShowOnMap() public BufferedImage ShowOnMap() throws LocomotiveNotFoundException, StorageOverflowException
{ {
Shaking(); Shaking();
for (var locomotive : _setLocomotives.GetLocomotives()) for (var locomotive : _setLocomotives.GetLocomotives())
@ -86,7 +86,7 @@ public class MapWithSetLocomotivesGeneric
} }
/// "Взбалтываем" набор, чтобы все элементы оказались в начале /// "Взбалтываем" набор, чтобы все элементы оказались в начале
private void Shaking() private void Shaking() throws LocomotiveNotFoundException, StorageOverflowException
{ {
int j = _setLocomotives.Count() - 1; int j = _setLocomotives.Count() - 1;
for (int i = 0; i < _setLocomotives.Count(); i++) for (int i = 0; i < _setLocomotives.Count(); i++)
@ -157,8 +157,8 @@ public class MapWithSetLocomotivesGeneric
/// Метод прорисовки объектов /// Метод прорисовки объектов
private void DrawLocomotives(Graphics2D g) private void DrawLocomotives(Graphics2D g)
{ {
int width = _pictureWidth / _placeSizeWidth; int width = _pictureWidth / _placeSizeWidth - 1;
int height = _pictureHeight / _placeSizeHeight; int height = _pictureHeight / _placeSizeHeight - 1;
int curWidth = 0; int curWidth = 0;
int curHeight = 0; int curHeight = 0;
@ -166,7 +166,7 @@ public class MapWithSetLocomotivesGeneric
for (var locomotive : _setLocomotives.GetLocomotives()) for (var locomotive : _setLocomotives.GetLocomotives())
{ {
// установка позиции // установка позиции
if (locomotive != null) locomotive.SetObject(curWidth * _placeSizeWidth + 10, curHeight * _placeSizeHeight + 18, _pictureWidth, _pictureHeight); if (locomotive != null) locomotive.SetObject(curWidth * _placeSizeWidth + 10, curHeight * _placeSizeHeight + 80, _pictureWidth, _pictureHeight);
if (locomotive != null) locomotive.DrawningObject(g); if (locomotive != null) locomotive.DrawningObject(g);
if (curWidth < width) curWidth++; if (curWidth < width) curWidth++;
else else
@ -189,7 +189,7 @@ public class MapWithSetLocomotivesGeneric
} }
/// Загрузка списка из массива строк /// Загрузка списка из массива строк
public void LoadData(String[] records) public void LoadData(String[] records) throws StorageOverflowException
{ {
Collections.reverse(Arrays.asList(records)); Collections.reverse(Arrays.asList(records));
for (var rec : records) for (var rec : records)

114
MapsCollection.java
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@ -2,6 +2,7 @@ import java.io.*;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
import java.util.HashMap; import java.util.HashMap;
import java.util.zip.DataFormatException;
public class MapsCollection { public class MapsCollection {
/// Словарь (хранилище) с картами /// Словарь (хранилище) с картами
@ -51,59 +52,49 @@ public class MapsCollection {
} }
/// Сохранение информации по локомотивам в хранилище в файл /// Сохранение информации по локомотивам в хранилище в файл
public boolean SaveData(String filename) public void SaveData(String filename) throws IOException
{ {
File file = new File(filename); File file = new File(filename);
if (file.exists()) if (file.exists())
{ {
file.delete(); file.delete();
} }
try(BufferedWriter bw = new BufferedWriter(new FileWriter(filename))) { BufferedWriter bw = new BufferedWriter(new FileWriter(filename));
bw.write("MapsCollection\n"); bw.write("MapsCollection\n");
for (var storage : _mapStorages.entrySet()) { for (var storage : _mapStorages.entrySet()) {
bw.write("" + storage.getKey() + separatorDict + storage.getValue().GetData(separatorDict.charAt(0), separatorData) + "\n"); bw.write("" + storage.getKey() + separatorDict + storage.getValue().GetData(separatorDict.charAt(0), separatorData) + "\n");
}
} }
catch (IOException ex) {
System.out.println(ex.getMessage());
}
return true;
} }
// Сохранение одной выбранной карты // Сохранение одной выбранной карты
public boolean SaveMap(String map_name, String filename) { public void SaveMap(String map_name, String filename) throws IOException{
File file = new File(filename); File file = new File(filename);
MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap> map = Get(map_name); MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap> map = Get(map_name);
if (file.exists()) if (file.exists())
{ {
file.delete(); file.delete();
} }
try(BufferedWriter bw = new BufferedWriter(new FileWriter(filename))) { BufferedWriter bw = new BufferedWriter(new FileWriter(filename));
bw.write("SingleMap\n"); bw.write("SingleMap\n");
bw.write("" + map_name + "\n"); bw.write("" + map_name + "\n");
bw.write("" + map.getClass() + "\n"); bw.write("" + map.getClass() + "\n");
for (var locomotive : map._setLocomotives.GetLocomotives()) { for (var locomotive : map._setLocomotives.GetLocomotives()) {
bw.write("" + locomotive.getInfo() + "\n"); bw.write("" + locomotive.getInfo() + "\n");
}
} }
catch (IOException ex) {
System.out.println(ex.getMessage());
}
return true;
} }
// Загрузка одной карты // Загрузка одной карты
public boolean LoadMap(String filename){ public void LoadMap(String filename) throws StorageOverflowException, IOException, DataFormatException{
File file = new File(filename); File file = new File(filename);
if (!file.exists()) if (!file.exists())
{ {
return false; throw new FileNotFoundException("Файл не найден");
} }
try {
BufferedReader br = new BufferedReader(new FileReader(filename)); BufferedReader br = new BufferedReader(new FileReader(filename));
String curLine = br.readLine(); String curLine = br.readLine();
if (!curLine.contains("SingleMap")) { if (!curLine.contains("SingleMap")) {
return false; throw new DataFormatException("Неверный формат данных");
} }
String mapName = br.readLine(); String mapName = br.readLine();
String mapClass = br.readLine(); String mapClass = br.readLine();
@ -113,7 +104,6 @@ public class MapsCollection {
_mapStorages.get(mapName)._setLocomotives.Insert(DrawningObjectLocomotive.Create(curLine)); _mapStorages.get(mapName)._setLocomotives.Insert(DrawningObjectLocomotive.Create(curLine));
} }
_mapStorages.get(mapName)._setLocomotives.ReversePlaces(); _mapStorages.get(mapName)._setLocomotives.ReversePlaces();
return true;
} }
AbstractMap map = null; AbstractMap map = null;
switch (mapClass) switch (mapClass)
@ -133,53 +123,43 @@ public class MapsCollection {
_mapStorages.get(mapName)._setLocomotives.Insert(DrawningObjectLocomotive.Create(curLine)); _mapStorages.get(mapName)._setLocomotives.Insert(DrawningObjectLocomotive.Create(curLine));
} }
_mapStorages.get(mapName)._setLocomotives.ReversePlaces(); _mapStorages.get(mapName)._setLocomotives.ReversePlaces();
} catch (IOException ex) {
System.out.println(ex.getMessage());
}
return true;
} }
/// Загрузка информации по локомотивам в депо из файла /// Загрузка информации по локомотивам в депо из файла
public boolean LoadData(String filename) public void LoadData(String filename) throws DataFormatException, IOException, StorageOverflowException
{ {
File file = new File(filename); File file = new File(filename);
if (!file.exists()) if (!file.exists())
{ {
return false; throw new FileNotFoundException("Файл не найден");
} }
try {
BufferedReader br = new BufferedReader(new FileReader(filename)); BufferedReader br = new BufferedReader(new FileReader(filename));
String curLine = br.readLine(); String curLine = br.readLine();
if (!curLine.contains("MapsCollection")) { if (!curLine.contains("MapsCollection")) {
return false; throw new DataFormatException("Неверный формат данных");
}
_mapStorages.clear();
while ((curLine = br.readLine()) != null) {
var elems = curLine.split(separatorDict);
AbstractMap map = null;
switch (elems[1])
{
case "class SimpleMap":
map = new SimpleMap();
break;
case "class SpikeMap":
map = new SpikeMap();
break;
case "class RailMap":
map = new RailMap();
break;
} }
_mapStorages.clear(); _mapStorages.put(elems[0], new MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
while ((curLine = br.readLine()) != null) { _mapStorages.get(elems[0]).LoadData(elems[2].split(Character.toString(separatorData)));
var elems = curLine.split(separatorDict);
AbstractMap map = null;
switch (elems[1])
{
case "class SimpleMap":
map = new SimpleMap();
break;
case "class SpikeMap":
map = new SpikeMap();
break;
case "class RailMap":
map = new RailMap();
break;
}
_mapStorages.put(elems[0], new MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
_mapStorages.get(elems[0]).LoadData(elems[2].split(Character.toString(separatorData)));
}
} catch (IOException ex) {
System.out.println(ex.getMessage());
} }
return true;
} }

16
SetLocomotivesGeneric.java
View File

@ -18,20 +18,22 @@ public class SetLocomotivesGeneric <T>
_places = new ArrayList<>(); _places = new ArrayList<>();
} }
public int Insert (T locomotive) { public int Insert (T locomotive) throws StorageOverflowException{
return Insert(locomotive, 0); return Insert(locomotive, 0);
} }
public int Insert (T locomotive, int position) { public int Insert (T locomotive, int position) throws StorageOverflowException{
if (position >= _maxCount|| position < 0) return -1; if (position < 0) return -1;
_places.add(position, locomotive); if (Count() >= _maxCount) throw new StorageOverflowException(_maxCount);
return position; _places.add(position, locomotive);
return position;
} }
public T Remove (int position) { public T Remove (int position) throws LocomotiveNotFoundException {
if (position >= _maxCount || position < 0) return null; if (position >= _maxCount || position < 0) return null;
if (_places.get(position) == null) throw new LocomotiveNotFoundException(position);
T result = _places.get(position); T result = _places.get(position);
_places.remove(position); _places.set(position, null);
return result; return result;
} }

5
StorageOverflowException.java Normal file
View File

@ -0,0 +1,5 @@
public class StorageOverflowException extends Exception{
public StorageOverflowException(int count) {
super("В наборе превышено допустимое количество: " + count);
}
}