Генерация ошибок
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@ -65,14 +65,25 @@ namespace ProjectLocomotive
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{
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return;
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}
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if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] + new DrawningObject(locomotive) != -1)
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try
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{
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MessageBox.Show("Объект добавлен");
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if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] + new DrawningObject(locomotive) != -1)
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{
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MessageBox.Show("Object added");
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pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
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}
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else
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{
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MessageBox.Show("Failed to add object");
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}
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}
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else
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catch(StorageOverflowException ex)
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{
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MessageBox.Show("Ошибка при добавлении объекта");
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MessageBox.Show($"Storage overflow error: {ex.Message}");
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}
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catch (Exception ex)
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{
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MessageBox.Show($"Unknown error: {ex.Message}");
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}
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}
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/// Удаление объекта
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@ -91,14 +102,25 @@ namespace ProjectLocomotive
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return;
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}
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int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
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if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
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try
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{
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MessageBox.Show("Объект удален");
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pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
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if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
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{
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MessageBox.Show("Object removed");
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pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
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}
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else
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{
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MessageBox.Show("Failed to remove object");
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}
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}
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else
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catch (LocomotiveNotFoundException ex)
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{
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MessageBox.Show("Не удалось удалить объект");
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MessageBox.Show($"Delete error: {ex.Message}");
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}
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catch (Exception ex)
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{
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MessageBox.Show($"Unknown error: {ex.Message}");
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}
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}
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/// Вывод набора
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@ -186,13 +208,14 @@ namespace ProjectLocomotive
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{
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if (saveFileDialog.ShowDialog() == DialogResult.OK)
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{
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if (_mapsCollection.SaveData(saveFileDialog.FileName))
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try
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{
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MessageBox.Show("Saved successfully", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
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_mapsCollection.SaveData(saveFileDialog.FileName);
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MessageBox.Show("Saving success", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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else
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catch (Exception ex)
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{
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MessageBox.Show("Saving failed", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
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MessageBox.Show($"Saving error: {ex.Message}", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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@ -200,16 +223,17 @@ namespace ProjectLocomotive
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{
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if (loadFileDialog.ShowDialog() == DialogResult.OK)
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{
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if (_mapsCollection.LoadData(loadFileDialog.FileName))
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try
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{
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_mapsCollection.LoadData(loadFileDialog.FileName);
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MessageBox.Show("Loaded successfully", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
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ReloadMaps();
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pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
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}
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else
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{
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MessageBox.Show("Loading failed", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
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catch (Exception ex)
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{
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MessageBox.Show($"Loading failed + {ex.Message}", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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ReloadMaps();
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pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
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}
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}
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}
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@ -0,0 +1,21 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Text;
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using System.Threading.Tasks;
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namespace ProjectLocomotive
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{
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internal class LocomotiveNotFoundException : ApplicationException
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{
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public LocomotiveNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
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public LocomotiveNotFoundException() : base() { }
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public LocomotiveNotFoundException(string message) : base(message) { }
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public LocomotiveNotFoundException(string message, Exception exception) :
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base(message, exception)
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{ }
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protected LocomotiveNotFoundException(SerializationInfo info, StreamingContext context) : base(info, context) { }
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}
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}
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@ -52,7 +52,7 @@ namespace Locomotive
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}
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}
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/// Сохранение информации по локомотивам в хранилище в файл
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public bool SaveData(string filename)
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public void SaveData(string filename)
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{
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if (File.Exists(filename))
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{
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@ -69,14 +69,13 @@ namespace Locomotive
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);
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}
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}
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return true;
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}
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/// Загрузка информации по локомотивам в депо из файла
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public bool LoadData(string filename)
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public void LoadData(string filename)
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{
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if (!File.Exists(filename))
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{
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return false;
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throw new FileNotFoundException("Файл не найден");
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}
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using (FileStream fs = new(filename, FileMode.Open))
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using (StreamReader sr = new StreamReader(fs, Encoding.UTF8))
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@ -85,7 +84,7 @@ namespace Locomotive
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if (!curLine.Contains("MapsCollection"))
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{
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return false;
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throw new FileFormatException("Формат данных в файле неправильный");
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}
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_mapStorages.Clear();
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while ((curLine = sr.ReadLine()) != null)
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@ -105,11 +104,9 @@ namespace Locomotive
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map = new RailroadMap();
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break;
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}
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_mapStorages.Add(elems[0], new MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
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_mapStorages[elems[0]].LoadData(elems[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
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}
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return true;
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}
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}
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}
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@ -33,16 +33,18 @@ namespace ProjectLocomotive
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/// Добавление объекта в набор на конкретную позицию
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public int Insert(T locomotive, int position)
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{
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if (position >= _maxCount || position < 0) return -1;
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if (position < 0) return -1;
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if (Count >= _maxCount) throw new StorageOverflowException(_maxCount);
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_places.Insert(position, locomotive);
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return position;
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}
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/// Удаление объекта из набора с конкретной позиции
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public T Remove(int position)
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{
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if (position >= _maxCount || position < 0) return null;
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//if (position >= _maxCount || position < 0) return null;
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if (_places[position] is null) throw new LocomotiveNotFoundException(position);
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T result = _places[position];
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_places.RemoveAt(position);
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_places[position] = null;
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return result;
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}
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// Индексатор
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@ -68,10 +70,6 @@ namespace ProjectLocomotive
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{
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yield return locomotive;
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}
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else
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{
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yield break;
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}
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}
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}
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}
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@ -0,0 +1,21 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Text;
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using System.Threading.Tasks;
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namespace ProjectLocomotive
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{
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internal class StorageOverflowException : ApplicationException
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{
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public StorageOverflowException(int count) : base($"В наборе превышено допустимое количество: {count}") { }
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public StorageOverflowException() : base() { }
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public StorageOverflowException(string message) : base(message) { }
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public StorageOverflowException(string message, Exception exception) :
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base(message, exception)
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{ }
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protected StorageOverflowException(SerializationInfo info, StreamingContext context) : base(info, context) { }
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}
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}
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