/// <summary>
/// Creates a new item.
/// </summary>
private void NewMI_Click(object sender, System.EventArgs e)
{
OpcDa::ItemValue template = null;
// copy the current selection.
if (ItemListLV.SelectedItems.Count > 0)
{
template = (OpcDa::ItemValue)((OpcDa::ItemValue)ItemListLV.SelectedItems[0].Tag).Clone();
}
// prompt user to edit new item.
OpcDa::ItemValue[] items = new ItemValueListEditDlg().ShowDialog(new OpcDa::ItemValue[] { template }, true);
if (items == null)
{
return;
}
// add new items.
foreach (OpcDa::ItemValue item in items)
{
AddItem(item);
}
// adjust columns to fit data.
AdjustColumns();
}
/// <summary>
/// Edits the item template.
/// </summary>
private void EditTemplate(OpcDa::ItemValue template)
{
// prompt user to edit the template.
OpcDa::ItemValue[] templates = new ItemValueListEditDlg().ShowDialog(new OpcDa::ItemValue[] { template }, false);
if (templates == null || templates.Length != 1)
{
return;
}
// get existing items without applying defaults.
ArrayList items = new ArrayList();
foreach (ListViewItem item in ItemListLV.Items)
{
if (item.Tag != null && item.Tag.GetType() == typeof(OpcDa::ItemValue))
{
if (item.Tag != m_template)
{
items.Add(item.Tag);
}
}
}
// re-initialize the list with the new template.
Initialize(m_server, templates[0]);
// add items back.
foreach (OpcDa::ItemValue item in items)
{
AddItem(item);
}
}
/// <summary>
/// Edits a group of items.
/// </summary>
private void EditMI_Click(object sender, System.EventArgs e)
{
// check if the template if being editied.
if (ItemListLV.SelectedItems.Count == 1)
{
if (ItemListLV.SelectedItems[0].Tag == m_template)
{
EditTemplate(m_template);
return;
}
}
// build list of items to edit (exclude template).
ArrayList itemList = new ArrayList(ItemListLV.SelectedItems.Count);
foreach (ListViewItem item in ItemListLV.SelectedItems)
{
if (item.Tag != null && item.Tag.GetType() == typeof(OpcDa::ItemValue))
{
if (item.Tag != m_template)
{
itemList.Add(item.Tag);
}
}
}
// prompt user to edit list of items.
OpcDa::ItemValue[] items = new ItemValueListEditDlg().ShowDialog((OpcDa::ItemValue[])itemList.ToArray(typeof(OpcDa::ItemValue)), false);
if (items == null)
{
return;
}
// remove changed items.
RemoveMI_Click(sender, e);
// add changed items.
foreach (OpcDa::ItemValue item in items)
{
// clear values only flag if quality or timestamp specified.
if (item.QualitySpecified || item.TimestampSpecified)
{
ValuesOnlyMI.Checked = false;
}
AddItem(item);
}
// adjust columns to fit data.
AdjustColumns();
}