private void listView_tag_KeyDown(object sender, KeyEventArgs e)
{
// delete operation for tag
if (e.KeyCode == Keys.Delete && lastSelectedPLC >= 0)
{
// check if current user has the authority to do this operation
if (GPLC.AuthVerify(Security.GPLCAuthority.Administrator))
{
// index of the last selected plc should not be over the list range
Debug.Assert(lastSelectedPLC < markers[_shownMarker].ProjectData.plcs.Count);
if (listView_tag.SelectedIndices.Count > 0)
{
// last selected plc
PLC plc = markers[_shownMarker].ProjectData.plcs[lastSelectedPLC];
// last selected tag
int index = listView_tag.SelectedIndices[0];
// db operation
ModelUtil.deleteTag(plc.tags[index].id);
// refresh tag list
refreshTagList();
}
}
}
}
private void listView_tag_DoubleClick(object sender, EventArgs e)
{
// check if current user has the authority to do this operation
if (GPLC.AuthVerify(Security.GPLCAuthority.Administrator))
{
// get the index of selected plc, -1 if no selection
int index = listView_tag.SelectedIndices.Count > 0 ? listView_tag.SelectedIndices[0] : -1;
// show tag edit control
TagEditControl(index);
}
}