/// <summary>
/// Adds a new list view item representation of the key in/out
/// </summary>
/// <param name="zStream">The stream to read the key definitions from</param>
/// <returns></returns>
private void AddListViewItems(FileStream zStream)
{
listViewKeys.Items.Clear();
while (zStream.Position < zStream.Length)
{
var zKeyDef = new IOPairDefinition(zStream);
var zItem = new ListViewItem(new string[] {
zKeyDef.GetInputString(),
zKeyDef.GetOutputString()
});
zItem.Tag = zKeyDef;
listViewKeys.Items.Add(zItem);
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
var zInput = (IODefinition)txtKeyIn.Tag;
var zOutput = getCurrentOutputDefinition();
if (null == zInput || null == zOutput)
{
MessageBox.Show(this, "Please specify both an input and output key.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
zInput.Flags = GetFlags(zInput, FlagsFromEnum.Input);
var zPairDef = new IOPairDefinition(zInput, zOutput);
// TODO: is it worth keeping a hashset of these to cut the time from o(n) to o(1)?
// verify this is not already defined
foreach (ListViewItem zListItem in listViewKeys.Items)
{
var zKeyOldDef = (IOPairDefinition)zListItem.Tag;
if (zPairDef.GetHashCode() != zKeyOldDef.GetHashCode())
{
continue;
}
MessageBox.Show(this, "Duplicate inputs are not allowed!", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
var zItem = new ListViewItem(new string[] {
zPairDef.GetInputString(),
zPairDef.GetOutputString()
});
zItem.Tag = zPairDef;
listViewKeys.Items.Add(zItem);
listViewKeys.SelectedItems.Clear();
zItem.Selected = true;
MarkDirty();
}