73 lines
2.2 KiB
C#
73 lines
2.2 KiB
C#
using System.Collections;
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namespace GUI;
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public delegate string SearchQuery();
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public class PasswordListBox : ListBox
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{
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public event DataRequest? PathRequest;
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public event SearchQuery? SearchQueryRequest;
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public PasswordListBox(DataRequest PathRequest, SearchQuery? SearchQueryRequest = null) : base()
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{
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this.PathRequest = PathRequest;
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this.SearchQueryRequest = SearchQueryRequest;
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}
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public PasswordListBox() : base() { }
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/*do not instantiate this class using this constructor if you want to use the ReloadResults method afterwards.
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Use this so that the MainForm.Designer.cs file doesn't have a stroke due to Event References, then re-instantiate the object
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afterwards using the other constructor*/
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public void ReloadResults(object? sender = null, EventArgs? arg = null)
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{
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DirectoryInfo d;
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FileInfo[] files = new FileInfo[0];
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try
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{
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if (PathRequest != null)
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{
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d = new DirectoryInfo(PathRequest());
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}
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else
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{
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throw new InvalidOperationException("You cannot use the ReloadResults method if you instantiated the object using the parameterless constructor");
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}
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files = d.GetFiles("*.gpg");
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}
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catch (ArgumentNullException e)
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{
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MessageBox.Show(e.ToString(), "Error: Invalid path", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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List<string> elements = new List<string>();
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for (int i = 0; i < files.Length; i++)
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{
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elements.Add(files[i].Name);
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}
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string[] copy = elements.ToArray();
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string? searchQuery = SearchQueryRequest?.Invoke();
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if (searchQuery != null) //we have a search query
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{
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foreach (string s in copy)
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{
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if (!s.Contains(searchQuery))
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{
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elements.Remove(s);
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}
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}
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}
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this.DataSource = elements;
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try
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{
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SelectedIndex = 0;
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} catch (ArgumentOutOfRangeException)
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{
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SelectedIndex = -1;
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}
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}
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}
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