/// <summary>
/// Displays the dialog until the user enters valid data or clicks cancel.
/// </summary>
private TsCHdaBrowseFilter PromptUser()
{
while (ShowDialog() == DialogResult.OK)
{
try
{
Technosoftware.DaAeHdaClient.Hda.TsCHdaAttribute attribute = (Technosoftware.DaAeHdaClient.Hda.TsCHdaAttribute)attributeCb_.SelectedItem;
if (attribute == null)
{
continue;
}
TsCHdaBrowseFilter filter = new TsCHdaBrowseFilter();
filter.AttributeID = attribute.ID;
filter.Operator = (TsCHdaOperator)operatorCtrl_.Value;
filter.FilterValue = filterValueCtrl_.Value;
return(filter);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
return(null);
}
/// <summary>
/// Displays the dialog until the user enters valid data or clicks cancel.
/// </summary>
private TsCHdaBrowseFilter PromptUser()
{
while (ShowDialog() == DialogResult.OK)
{
try
{
OpcClientSdk.Hda.TsCHdaAttribute attribute = (OpcClientSdk.Hda.TsCHdaAttribute)AttributeCB.SelectedItem;
if (attribute == null)
{
continue;
}
TsCHdaBrowseFilter filter = new TsCHdaBrowseFilter();
filter.AttributeID = attribute.ID;
filter.Operator = (TsCHdaOperator)OperatorCTRL.Value;
filter.FilterValue = FilterValueCTRL.Value;
return(filter);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
return(null);
}
/// <summary>
/// Adds a browse filter to the list view.
/// </summary>
private void AddFilter(TsCHdaBrowseFilter filter)
{
ListViewItem item = new ListViewItem("", Resources.IMAGE_EXPLODING_BOX);
item.SubItems.Add("");
item.SubItems.Add("");
item.SubItems[0].Text = mServer_.Attributes.Find(filter.AttributeID).Name;
item.SubItems[1].Text = filter.Operator.ToString();
item.SubItems[2].Text = Technosoftware.DaAeHdaClient.OpcConvert.ToString(filter.FilterValue);
browseFiltersLv_.Items.Add(item);
item.Tag = filter;
}
/// <summary>
/// Adds a browse filter to the list view.
/// </summary>
private void AddFilter(TsCHdaBrowseFilter filter)
{
ListViewItem item = new ListViewItem("", Resources.IMAGE_EXPLODING_BOX);
item.SubItems.Add("");
item.SubItems.Add("");
item.SubItems[0].Text = m_server.Attributes.Find(filter.AttributeID).Name;
item.SubItems[1].Text = filter.Operator.ToString();
item.SubItems[2].Text = OpcClientSdk.OpcConvert.ToString(filter.FilterValue);
BrowseFiltersLV.Items.Add(item);
item.Tag = filter;
}
/// <summary>
/// Prompts the user to edit an existing browse filter.
/// </summary>
public TsCHdaBrowseFilter ShowDialog(TsCHdaServer server, TsCHdaBrowseFilter filter)
{
// add valid attribute ids to the combo box.
attributeCb_.Items.Clear();
foreach (Technosoftware.DaAeHdaClient.Hda.TsCHdaAttribute attribute in server.Attributes)
{
if (filter.AttributeID == attribute.ID)
{
attributeCb_.Items.Add(attribute);
attributeCb_.SelectedItem = attribute;
break;
}
}
operatorCtrl_.Value = filter.Operator;
filterValueCtrl_.Value = filter.FilterValue;
// prompt user to edit filter.
return(PromptUser());
}
/// <summary>
/// Prompts the user to edit an existing browse filter.
/// </summary>
public TsCHdaBrowseFilter ShowDialog(TsCHdaServer server, TsCHdaBrowseFilter filter)
{
// add valid attribute ids to the combo box.
AttributeCB.Items.Clear();
foreach (OpcClientSdk.Hda.TsCHdaAttribute attribute in server.Attributes)
{
if (filter.AttributeID == attribute.ID)
{
AttributeCB.Items.Add(attribute);
AttributeCB.SelectedItem = attribute;
break;
}
}
OperatorCTRL.Value = filter.Operator;
FilterValueCTRL.Value = filter.FilterValue;
// prompt user to edit filter.
return(PromptUser());
}
/// <summary>
/// Invokes the callback an passes the new browse filters.
/// </summary>
private void ApplyChanges()
{
ArrayList filters = new ArrayList();
// add item id filter.
if (itemNameTb_.Text != "")
{
TsCHdaBrowseFilter filter = new TsCHdaBrowseFilter();
filter.AttributeID = Technosoftware.DaAeHdaClient.Hda.TsCHdaAttributeID.ITEMID;
filter.Operator = TsCHdaOperator.Equal;
filter.FilterValue = itemNameTb_.Text;
filters.Add(filter);
}
// add data type filter.
if (dataTypeCtrl_.SelectedType != null && dataTypeCtrl_.SelectedType != typeof(object))
{
TsCHdaBrowseFilter filter = new TsCHdaBrowseFilter();
filter.AttributeID = Technosoftware.DaAeHdaClient.Hda.TsCHdaAttributeID.DATA_TYPE;
filter.Operator = TsCHdaOperator.Equal;
filter.FilterValue = dataTypeCtrl_.SelectedType;
filters.Add(filter);
}
// add other attribute filters.
foreach (ListViewItem item in browseFiltersLv_.Items)
{
filters.Add(item.Tag);
}
// send notification.
if (mCallback_ != null)
{
mCallback_((int)maxElementsCtrl_.Value, (TsCHdaBrowseFilter[])filters.ToArray(typeof(TsCHdaBrowseFilter)));
}
}
/// <summary>
/// Invokes the callback an passes the new browse filters.
/// </summary>
private void ApplyChanges()
{
ArrayList filters = new ArrayList();
// add item id filter.
if (ItemNameTB.Text != "")
{
TsCHdaBrowseFilter filter = new TsCHdaBrowseFilter();
filter.AttributeID = OpcClientSdk.Hda.TsCHdaAttributeID.ITEMID;
filter.Operator = TsCHdaOperator.Equal;
filter.FilterValue = ItemNameTB.Text;
filters.Add(filter);
}
// add data type filter.
if (DataTypeCTRL.SelectedType != null && DataTypeCTRL.SelectedType != typeof(object))
{
TsCHdaBrowseFilter filter = new TsCHdaBrowseFilter();
filter.AttributeID = OpcClientSdk.Hda.TsCHdaAttributeID.DATA_TYPE;
filter.Operator = TsCHdaOperator.Equal;
filter.FilterValue = DataTypeCTRL.SelectedType;
filters.Add(filter);
}
// add other attribute filters.
foreach (ListViewItem item in BrowseFiltersLV.Items)
{
filters.Add(item.Tag);
}
// send notification.
if (m_callback != null)
{
m_callback((int)MaxElementsCTRL.Value, (TsCHdaBrowseFilter[])filters.ToArray(typeof(TsCHdaBrowseFilter)));
}
}
