/// <summary>
/// Removes all connections
/// </summary>
public void Clear()
{
List <string> names = new List <string>(GetConnectionNames());
foreach (string name in names)
{
//Yes we're inlining RemoveConnection(), but we want any cancel action to cancel
//the Clear() method
if (_ConnectionDict.ContainsKey(name))
{
ConnectionBeforeRemoveEventArgs e = new ConnectionBeforeRemoveEventArgs(name);
this.BeforeConnectionRemove(this, e);
if (e.Cancel)
{
return;
}
FdoConnection conn = _ConnectionDict[name];
conn.Close();
_ConnectionDict.Remove(name);
conn.Dispose();
if (this.ConnectionRemoved != null)
{
this.ConnectionRemoved(this, new EventArgs <string>(name));
}
}
}
}
void OnBeforeConnectionRemove(object sender, ConnectionBeforeRemoveEventArgs e)
{
foreach (var name in _taskMgr.GetTaskNames())
{
var task = _taskMgr.GetTask(name);
if (typeof(FdoBulkCopy).IsAssignableFrom(task.GetType()))
{
var bcp = (FdoBulkCopy)task;
var names = new List<string>(bcp.Options.ConnectionNames);
if (names.Contains(e.ConnectionName))
{
MessageService.ShowMessage("Cannot remove connection as the task (" + name + ") depends on this connection");
e.Cancel = true;
return;
}
}
else if (typeof(FdoJoin).IsAssignableFrom(task.GetType()))
{
var join = (FdoJoin)task;
var conn = _connMgr.GetConnection(e.ConnectionName);
var opts = join.Options;
if (opts.Left.Connection == conn ||
opts.Right.Connection == conn ||
opts.Target.Connection == conn)
{
MessageService.ShowMessage("Cannot remove connection as the task (" + name + ") depends on this connection");
e.Cancel = true;
return;
}
}
}
}
protected override void OnBeforeConnectionRemove(object sender, ConnectionBeforeRemoveEventArgs e)
{
if (this.SelectedLeftConnection.Equals(e.ConnectionName) ||
this.SelectedRightConnection.Equals(e.ConnectionName) ||
this.SelectedTargetConnection.Equals(e.ConnectionName))
{
MessageService.ShowMessage("Cannot remove connection " + e.ConnectionName + " as this join task depends on it");
e.Cancel = true;
}
}
protected override void OnBeforeConnectionRemove(object sender, ConnectionBeforeRemoveEventArgs e)
{
if (ConnectionAdded(e.ConnectionName))
{
//TODO: Prompt to remove the referenced connection and any copy tasks that use
//this connection
MessageService.ShowMessage("This bulk copy task depends on the current connection");
e.Cancel = true;
}
}
/// <summary>
/// Removes the connection.
/// </summary>
/// <param name="name">The name of the connection.</param>
public void RemoveConnection(string name)
{
if (_ConnectionDict.ContainsKey(name))
{
ConnectionBeforeRemoveEventArgs e = new ConnectionBeforeRemoveEventArgs(name);
this.BeforeConnectionRemove(this, e);
if (e.Cancel)
{
return;
}
FdoConnection conn = _ConnectionDict[name];
conn.Close();
_ConnectionDict.Remove(name);
conn.Dispose();
if (this.ConnectionRemoved != null)
{
this.ConnectionRemoved(this, new EventArgs <string>(name));
}
}
}
/// <summary>
/// Removes all connections
/// </summary>
public void Clear()
{
List<string> names = new List<string>(GetConnectionNames());
foreach (string name in names)
{
//Yes we're inlining RemoveConnection(), but we want any cancel action to cancel
//the Clear() method
if (_ConnectionDict.ContainsKey(name))
{
ConnectionBeforeRemoveEventArgs e = new ConnectionBeforeRemoveEventArgs(name);
this.BeforeConnectionRemove(this, e);
if (e.Cancel)
return;
FdoConnection conn = _ConnectionDict[name];
conn.Close();
_ConnectionDict.Remove(name);
conn.Dispose();
if (this.ConnectionRemoved != null)
this.ConnectionRemoved(this, new EventArgs<string>(name));
}
}
}
void OnBeforeRemoveConnection(object sender, ConnectionBeforeRemoveEventArgs e)
{
FdoConnection conn = connMgr.GetConnection(e.ConnectionName);
//Get all views that depend on connection
List<IConnectionDependentView> matches = _tabs.FindAll(delegate(IConnectionDependentView c) { return c.DependsOnConnection(conn); });
if (matches.Count > 0)
{
//Don't close then cancel
if (!MessageService.AskQuestion(ResourceService.GetStringFormatted("QUESTION_CLOSE_TABS", e.ConnectionName)))
{
e.Cancel = true;
return;
}
else //Otherwise remove from watch list and close the view
{
foreach (IConnectionDependentView view in matches)
{
_tabs.Remove(view);
view.Close();
}
}
}
}
void OnBeforeRemoveConnection(object sender, ConnectionBeforeRemoveEventArgs e)
{
FdoConnection conn = connMgr.GetConnection(e.ConnectionName);
//Get all views that depend on connection
List <IConnectionDependentView> matches = _tabs.FindAll(delegate(IConnectionDependentView c) { return(c.DependsOnConnection(conn)); });
if (matches.Count > 0)
{
//Don't close then cancel
if (!MessageService.AskQuestion(ResourceService.GetStringFormatted("QUESTION_CLOSE_TABS", e.ConnectionName)))
{
e.Cancel = true;
return;
}
else //Otherwise remove from watch list and close the view
{
foreach (IConnectionDependentView view in matches)
{
_tabs.Remove(view);
view.Close();
}
}
}
}
/// <summary>
/// Removes the connection.
/// </summary>
/// <param name="name">The name of the connection.</param>
public void RemoveConnection(string name)
{
if (_ConnectionDict.ContainsKey(name))
{
ConnectionBeforeRemoveEventArgs e = new ConnectionBeforeRemoveEventArgs(name);
this.BeforeConnectionRemove(this, e);
if (e.Cancel)
return;
FdoConnection conn = _ConnectionDict[name];
conn.Close();
_ConnectionDict.Remove(name);
conn.Dispose();
if (this.ConnectionRemoved != null)
this.ConnectionRemoved(this, new EventArgs<string>(name));
}
}
protected virtual void OnBeforeConnectionRemove(object sender, ConnectionBeforeRemoveEventArgs e) { }
