shadowik/PIbd-21_Zaharchenko_M.I._DoubleDeckerBus._Base
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Exeptions

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This commit is contained in:
shadowik 2022-11-28 17:38:26 +04:00
parent 0c5960afb2
commit a7feb55e23
5 changed files with 73 additions and 21 deletions
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19
DoubleDeckerBus/DoubleDeckerBus/BusNotFoundException.cs Normal file
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@ -0,0 +1,19 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
namespace DoubleDeckerBus
{
[Serializable]
internal class BusNotFoundException : ApplicationException
{
public BusNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
public BusNotFoundException() : base() { }
public BusNotFoundException(string message) : base(message) { }
public BusNotFoundException(string message, Exception exception) : base(message, exception) { }
protected BusNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
}
}

39
DoubleDeckerBus/DoubleDeckerBus/FormMapWithSetBuses.cs
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@ -88,15 +88,27 @@ namespace DoubleDeckerBus
return;
}
int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
try
{
MessageBox.Show("Объект удален");
pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
{
MessageBox.Show("Объект удален");
pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
}
else
{
MessageBox.Show("Не удалось удалить объект");
}
}
else
catch (BusNotFoundException ex)
{
MessageBox.Show("Не удалось удалить объект");
MessageBox.Show($"Ошибка удаления: {ex.Message}");
}
catch (Exception ex)
{
MessageBox.Show($"Неизветсная шибка: {ex.Message}");
}
}
private void ButtonShowStorage_Click(object sender, EventArgs e)
@ -183,13 +195,13 @@ namespace DoubleDeckerBus
{
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
if (_mapsCollection.SaveData(saveFileDialog.FileName))
try
{
_mapsCollection.SaveData(saveFileDialog.FileName);
MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Не сохранилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
catch (Exception ex) {
MessageBox.Show($"Не сохранилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
@ -198,13 +210,14 @@ namespace DoubleDeckerBus
{
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
if (_mapsCollection.LoadData(openFileDialog.FileName))
{
try {
_mapsCollection.LoadData(openFileDialog.FileName);
MessageBox.Show("Загрузка прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
ReloadMaps();
}
else {
MessageBox.Show("Ошибка при загрузке", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
catch (Exception ex)
{
MessageBox.Show($"Ошибка при загрузке: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}

11
DoubleDeckerBus/DoubleDeckerBus/MapsCollection.cs
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@ -51,7 +51,7 @@ namespace DoubleDeckerBus
stream.Write(info, 0, info.Length);
}
public bool SaveData(string filename)
public void SaveData(string filename)
{
if (File.Exists(filename))
{
@ -65,14 +65,13 @@ namespace DoubleDeckerBus
sw.Write($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}{Environment.NewLine}");
}
}
return true;
}
public bool LoadData(string filename)
public void LoadData(string filename)
{
if (!File.Exists(filename))
{
return false;
throw new Exception("Файл не найден");
}
string line;
using (StreamReader sw = new(filename))
@ -80,7 +79,7 @@ namespace DoubleDeckerBus
line = sw.ReadLine();
if (line == null || !line.Contains("MapsCollection"))
{
return false;
throw new Exception("Формат данных в файле не совпадает");
}
_mapStorages.Clear();
@ -102,8 +101,6 @@ namespace DoubleDeckerBus
_mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
line = sw.ReadLine();
}
return true;
}
}
}

4
DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs
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@ -29,8 +29,11 @@ namespace DoubleDeckerBus
public int Insert(T bus, int position)
{
// TODO проверка на _maxCount
if (position < 0 || position >= _maxCount || BusyPlaces == _maxCount) return -1;
// TODO проверка позиции
BusyPlaces++;
_places.Insert(position, bus);
return position;
@ -38,6 +41,7 @@ namespace DoubleDeckerBus
public T Remove(int position)
{
// TODO проверка позиции
if (position < 0 || position >= _maxCount) return null;
T savedBus = _places[position];
_places.RemoveAt(position);

19
DoubleDeckerBus/DoubleDeckerBus/StorageOverFlowException.cs Normal file
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@ -0,0 +1,19 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
namespace DoubleDeckerBus
{
[Serializable]
internal class StorageOverflowException : ApplicationException
{
public StorageOverflowException(int count) : base($"В наборе превышено допустимое количество: {count}") { }
public StorageOverflowException() : base() { }
public StorageOverflowException(string message) : base(message) { }
public StorageOverflowException(string message, Exception exception) : base(message, exception) { }
protected StorageOverflowException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
}
}