Генерация ошибок

This commit is contained in:
devil_1nc 2022-11-19 20:07:56 +04:00
parent 88dcfeef92
commit d583f3c9af
5 changed files with 104 additions and 48 deletions

View File

@ -120,6 +120,8 @@ namespace ProjectPlane
return;
}
int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
try
{
if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
{
MessageBox.Show("Object removed");
@ -130,6 +132,16 @@ namespace ProjectPlane
MessageBox.Show("Error with object removing");
}
}
catch(PlaneNotFoundException ex)
{
MessageBox.Show($"Ошибка удаления: {ex.Message}");
}
catch (Exception ex)
{
MessageBox.Show($"Неизвестная ошибка: {ex.Message}");
}
}
/// <summary>
/// Вывод набора
/// </summary>
@ -235,30 +247,34 @@ namespace ProjectPlane
{
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
if (_mapsCollection.LoadData(openFileDialog.FileName))
try
{
_mapsCollection.LoadData(openFileDialog.FileName);
MessageBox.Show("Succesfull loading", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Loading failed", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
ReloadMaps();
pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
}
catch (Exception ex)
{
MessageBox.Show($"Loading failed {ex.Message}", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void saveToolStripMenuItem_Click(object sender, EventArgs e)
{
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
if (_mapsCollection.SaveData(saveFileDialog.FileName))
try
{
_mapsCollection.SaveData(saveFileDialog.FileName);
MessageBox.Show("Succesfull saving", "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
catch(Exception ex)
{
MessageBox.Show("Savingfailed", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
MessageBox.Show($"Saving failed {ex.Message}", "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}

View File

@ -84,55 +84,54 @@ namespace ProjectPlane
byte[] info = new UTF8Encoding(true).GetBytes(text);
stream.Write(info, 0, info.Length);
}
public bool SaveData(string filename)
public void SaveData(string filename)
{
if (File.Exists(filename))
{
File.Delete(filename);
}
using (FileStream fs = new(filename, FileMode.Create))
using (StreamWriter sw = new StreamWriter(fs, Encoding.UTF8))
{
WriteToFile($"MapsCollection{Environment.NewLine}", fs);
sw.WriteLine("MapsCollection");
foreach (var storage in _mapStorages)
{
WriteToFile($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}{Environment.NewLine}", fs);
sw.WriteLine(
$"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}"
);
}
}
return true;
}
/// <summary>
/// Загрузка нформации по автомобилям на парковках из файла
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public bool LoadData(string filename)
public void LoadData(string filename)
{
if (!File.Exists(filename))
{
return false;
throw new Exception("File not found");
}
string bufferTextFromFile = "";
using (FileStream fs = new(filename, FileMode.Open))
using (StreamReader sr = new StreamReader(fs, Encoding.UTF8))
{
byte[] b = new byte[fs.Length];
UTF8Encoding temp = new(true);
while (fs.Read(b, 0, b.Length) > 0)
string curLine = sr.ReadLine();
if (!curLine.Contains("MapsCollection"))
{
bufferTextFromFile += temp.GetString(b);
throw new Exception("Incorrect format");
}
}
var strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
if (!strs[0].Contains("MapsCollection"))
{
//если нет такой записи, то это не те данные
return false;
}
//очищаем записи
_mapStorages.Clear();
for (int i = 1; i < strs.Length; ++i)
while ((curLine = sr.ReadLine()) != null)
{
var elem = strs[i].Split(separatorDict);
var elem = curLine.Split(separatorDict);
AbstractMap map = null;
switch (elem[1])
{
@ -146,7 +145,8 @@ namespace ProjectPlane
_mapStorages.Add(elem[0], new MapWithSetPlanesGeneric<IDrawingObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
_mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
}
return true;
}
}
}
}

View File

@ -0,0 +1,19 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.Serialization;
namespace ProjectPlane
{
internal class PlaneNotFoundException : ApplicationException
{
public PlaneNotFoundException(int i) : base($"Не найден объект по позиции { i}") { }
public PlaneNotFoundException() : base() { }
public PlaneNotFoundException(string message) : base(message) { }
public PlaneNotFoundException(string message, Exception exception) : base(message, exception)
{ }
protected PlaneNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
}
}

View File

@ -43,7 +43,7 @@ namespace ProjectPlane
/// <returns></returns>
public int Insert(T plane, int position)
{
if (position < 0 || position >= _maxCount) return -1;
if (position < 0 || position >= _maxCount) throw new StorageOverflowException(_maxCount);
_places.Insert(position, plane);
return position;
}
@ -54,7 +54,7 @@ namespace ProjectPlane
/// <returns></returns>
public T Remove(int position)
{
if (position < 0 || position >= _maxCount) return null;
if (position < 0 || position >= _maxCount) throw new PlaneNotFoundException(position);
T temp = _places[position];
_places.RemoveAt(position);
return temp;

View File

@ -0,0 +1,21 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.Serialization;
namespace ProjectPlane
{
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) { }
}
}