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SavedConnections.cs
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SavedConnections.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace ConnectionStringManager
{
public partial class SavedConnectionsManager : Form, ISavedConnectionView
{
public SavedConnectionsManager()
{
InitializeComponent();
}
public event ConnectionAction TestConnection;
public IList<ConnectionStringEntry> ConnectionStrings { get; set; }
public IList<SavedConnection> SavedConnections
{
get { return _savedConnections; }
set
{
_savedConnections = value.ToList();
BindToGrid();
}
}
public event UpdateConnectionAction UpdateSavedConnections;
private delegate void InvokeMethod();
private List<SavedConnection> _savedConnections;
private void BindToGrid()
{
if (lstConnections.InvokeRequired)
{
lstConnections.Invoke(new InvokeMethod(BindToGrid));
}
else
{
lstConnections.Items.Clear();
foreach (SavedConnection conn in SavedConnections)
{
ListViewItem itm = new ListViewItem();
itm.Text = conn.Name;
itm.SubItems.Add(conn.ConnectionString);
itm.Tag = conn;
lstConnections.Items.Add(itm);
}
if (lstConnections.Items.Count < 1)
{
lstConnections.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
}
else
{
lstConnections.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
}
}
}
public void RefreshView()
{
BindToGrid();
}
public void SetError(string message)
{
MessageBox.Show(message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
public void SetMessage(string message)
{
MessageBox.Show(message, "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void tsAddNewConnection_Click(object sender, EventArgs e)
{
SavedConnection newConn = new SavedConnection() { Name = "New Connection", ConnectionString = "DataSource=.;Initial Catalog=;Trusted Connection=true;" };
ListViewItem itm = new ListViewItem();
itm.Text = newConn.Name;
itm.SubItems.Add(newConn.ConnectionString);
itm.Tag = newConn;
lstConnections.Items.Add(itm);
SavedConnections.Add(newConn);
}
private SavedConnection GetSelectedItem()
{
if (lstConnections.SelectedIndices.Count < 1) { return SavedConnection.Empty; }
SavedConnection conn = lstConnections.SelectedItems[0].Tag as SavedConnection;
return conn;
}
private void tsRemove_Click(object sender, EventArgs e)
{
if (lstConnections.SelectedIndices.Count < 1) { return; }
lstConnections.Items.RemoveAt(lstConnections.SelectedIndices[0]);
}
private void lstConnections_MouseDoubleClick(object sender, MouseEventArgs e)
{
var entry = GetSelectedItem();
if (entry == SavedConnection.Empty) { return; }
ConnectionStringEditor editor = new ConnectionStringEditor();
var result = editor.ShowDialog(entry.Name, entry.ConnectionString);
if (result != System.Windows.Forms.DialogResult.OK) { return; }
entry.Name = editor.ConnectionName;
entry.ConnectionString = editor.ConnectionString;
lstConnections.SelectedItems[0].SubItems[0].Text = entry.Name;
lstConnections.SelectedItems[0].SubItems[1].Text = entry.ConnectionString;
BindToGrid();
}
private void tsSave_Click(object sender, EventArgs e)
{
PersistSavedEntries();
}
private void PersistSavedEntries()
{
List<SavedConnection> connections = new List<SavedConnection>();
foreach (ListViewItem itm in lstConnections.Items)
{
connections.Add(new SavedConnection() { Name = itm.Text, ConnectionString = itm.SubItems[1].Text });
}
this.SavedConnections.Clear();
this.SavedConnections = connections;
if (this.UpdateSavedConnections != null)
{
this.UpdateSavedConnections.Invoke(connections);
}
}
}
}