/// <summary>
/// Read Item
/// </summary>
private void ReadItem()
{
if (itemsListView.SelectedItems.Count > 0)
{
ListViewItem firstSelectedItem = itemsListView.SelectedItems[0];
if (firstSelectedItem == null)
{
return;
}
if (firstSelectedItem.Tag == null)
{
return;
}
string itemText = firstSelectedItem.Text;
DaItem daItem = firstSelectedItem.Tag as DaItem;
if (daItem == null)
{
return;
}
if (serviceWindow == null)
{
return;
}
ValueQT itemValues;
bool result = serviceWindow.ReadDaItem(daItem, out itemValues);
if (result)
{
firstSelectedItem.SubItems.Clear();
firstSelectedItem.Text = itemText;
firstSelectedItem.Tag = daItem;
if (daItem.AccessRights != EnumAccessRights.WRITEABLE && itemValues != null)
{
firstSelectedItem.SubItems.Add(ValueConverter.ArrayToString(itemValues));
firstSelectedItem.SubItems.Add(itemValues.Quality.ToString());
firstSelectedItem.SubItems.Add(ValueConverter.DateTimeOptions(itemValues.TimeStamp));
}
else
{
firstSelectedItem.SubItems.Add("");
firstSelectedItem.SubItems.Add("");
firstSelectedItem.SubItems.Add("");
}
firstSelectedItem.SubItems.Add(daItem.DaSubscription.DaSession.Url);
firstSelectedItem.SubItems.Add(daItem.DaSubscription.Name);
}
if (result)
{
serviceWindow.Show(this.dockPanel);
}
}
}
/// <summary>
/// Update list view items if are an item form the collection
/// </summary>
/// <param name="aDaSubscription"></param>
/// <param name="items"></param>
/// <param name="values"></param>
/// <param name="results"></param>
public void DataChanged(DaSubscription aDaSubscription, DaItem[] items, ValueQT[] values, int[] results)
{
foreach (ListViewItem listViewItem in itemsListView.Items)
{
if (listViewItem == null)
{
continue;
}
if (listViewItem.Tag == null)
{
continue;
}
DaItem daItem = listViewItem.Tag as DaItem;
if (daItem == null)
{
continue;
}
string itemText = listViewItem.Text;
for (int i = 0; i < items.Length; i++)
{
if (daItem == items[i])
{
if (ResultCode.SUCCEEDED(results[i]))
{
listViewItem.SubItems.Clear();
listViewItem.Text = itemText;
listViewItem.Tag = daItem;
if (daItem.AccessRights != EnumAccessRights.WRITEABLE && values[i] != null)
{
listViewItem.SubItems.Add(ValueConverter.ArrayToString(values[i]));
listViewItem.SubItems.Add(values[i].Quality.ToString());
listViewItem.SubItems.Add(ValueConverter.DateTimeOptions(values[i].TimeStamp));
}
else
{
listViewItem.SubItems.Add("");
listViewItem.SubItems.Add("");
listViewItem.SubItems.Add("");
}
listViewItem.SubItems.Add(daItem.DaSubscription.DaSession.Url);
listViewItem.SubItems.Add(daItem.DaSubscription.Name);
}
}
}
}
}
/// <summary>
/// Add List View Items
/// </summary>
/// <param name="item"></param>
/// <param name="itemValuesO"></param>
private void AddListViewItem(DaItem item, ValueQT itemValues)
{
ListViewItem listViewItem = new ListViewItem(item.Id);
if (item.AccessRights != EnumAccessRights.WRITEABLE && itemValues != null)
{
listViewItem.SubItems.Add(ValueConverter.ArrayToString(itemValues));
listViewItem.SubItems.Add(itemValues.Quality.ToString());
listViewItem.SubItems.Add(ValueConverter.DateTimeOptions(itemValues.TimeStamp));
}
else
{
listViewItem.SubItems.Add("");
listViewItem.SubItems.Add("");
listViewItem.SubItems.Add("");
}
listViewItem.SubItems.Add(item.DaSubscription.DaSession.Url);
listViewItem.SubItems.Add(item.DaSubscription.Name);
listViewItem.Tag = item;
SetItemImage(item.CurrentState, listViewItem);
itemsListView.Items.Add(listViewItem);
item.StateChangeCompleted -= new Softing.OPCToolbox.Client.StateChangeEventHandler(item_StateChangeCompleted);
item.StateChangeCompleted += new Softing.OPCToolbox.Client.StateChangeEventHandler(item_StateChangeCompleted);
}
/// <summary>
/// Fill Read Service Data
/// </summary>
/// <param name="itemId"></param>
/// <param name="hasReadRights"></param>
/// <param name="itemValues"></param>
/// <returns></returns>
private Helper.CustomProperties FillReadService(string itemId, bool hasReadRights, ValueQT itemValues)
{
//display the read values
Helper.CustomProperties readServiceColl = new DemoClient.Helper.CustomProperties();
Helper.CustomProperty customProperty = new DemoClient.Helper.CustomProperty("Item Id",
"System.String", null, null, itemId);
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
readServiceColl.Properties.Add(customProperty);
if (hasReadRights && itemValues != null)
{
customProperty = new DemoClient.Helper.CustomProperty("Value",
"System.String", null, null, ValueConverter.ArrayToString(itemValues));
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
readServiceColl.Properties.Add(customProperty);
customProperty = new DemoClient.Helper.CustomProperty("Quality",
"System.String", null, null, itemValues.Quality.ToString());
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
readServiceColl.Properties.Add(customProperty);
customProperty = new DemoClient.Helper.CustomProperty("Time Stamp",
"System.String", null, null, ValueConverter.DateTimeOptions(itemValues.TimeStamp));
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
readServiceColl.Properties.Add(customProperty);
}
else
{
//there are no read values, fiil data with empty strings
customProperty = new DemoClient.Helper.CustomProperty("Value",
"System.String", null, null, "");
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
readServiceColl.Properties.Add(customProperty);
customProperty = new DemoClient.Helper.CustomProperty("Quality",
"System.String", null, null, "");
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
readServiceColl.Properties.Add(customProperty);
customProperty = new DemoClient.Helper.CustomProperty("Time Stamp",
"System.String", null, null, "");
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
readServiceColl.Properties.Add(customProperty);
}
return(readServiceColl);
}
/// <summary>
/// Fill Write Service
/// </summary>
/// <param name="itemId"></param>
/// <param name="hasWriteAccess"></param>
/// <param name="itemValue"></param>
private Helper.CustomProperties FillWriteService(string itemId, Type itemDataType, bool hasWriteAccess, ValueQT itemValues)
{
Helper.DataTypes dataTypeHelper = new DataTypes();
Helper.CustomProperties writeServiceColl = new DemoClient.Helper.CustomProperties();
Helper.CustomProperty customProperty = new DemoClient.Helper.CustomProperty("Item Id",
"System.String", null, null, itemId);
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
writeServiceColl.Properties.Add(customProperty);
//create the DaItem value
if (!itemValues.Data.GetType().IsArray)
{
//the DaItem VALUE is not an array
customProperty = new DemoClient.Helper.CustomProperty("Value",
"System.String", null, null, ValueConverter.ArrayToString(itemValues));
if (!hasWriteAccess)
{
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
}
writeServiceColl.Properties.Add(customProperty);
dataTypeHelper.Type = itemDataType;
customProperty = new DemoClient.Helper.CustomProperty("Data Type",
dataTypeHelper.RequiredDataTypes.Values.GetType().ToString(), null, null, dataTypeHelper.NativeDataType,
typeof(Helper.DataTypeEditor), typeof(Helper.DataTypeEditor));
if (!hasWriteAccess)
{
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
}
writeServiceColl.Properties.Add(customProperty);
customProperty = new DemoClient.Helper.CustomProperty("Start Index",
"System.String", null, null, "");
if (!hasWriteAccess)
{
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
}
writeServiceColl.Properties.Add(customProperty);
}
else
{
//DaItem VALUE is an Array
customProperty = new DemoClient.Helper.CustomProperty("Value",
"System.String", null, null, ValueConverter.DataToString(itemValues));
if (!hasWriteAccess)
{
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
}
writeServiceColl.Properties.Add(customProperty);
Array dataArray = itemValues.Data as Array;
if (dataArray.GetLowerBound(0) == 0)
{
dataTypeHelper.Type = itemDataType;
customProperty = new DemoClient.Helper.CustomProperty("Data Type",
dataTypeHelper.RequiredDataTypes.Values.GetType().ToString(), null, null, dataTypeHelper.NativeDataType,
typeof(Helper.DataTypeEditor), typeof(Helper.DataTypeEditor));
}
else
{
string dataType = dataArray.GetType().ToString();
dataType = dataType.Remove(dataType.IndexOf('*'));
dataTypeHelper.Type = System.Type.GetType(dataType);
customProperty = new DemoClient.Helper.CustomProperty("Data Type",
dataTypeHelper.RequiredDataTypes.Values.GetType().ToString(), null, null, dataTypeHelper.NativeDataType,
typeof(Helper.DataTypeEditor), typeof(Helper.DataTypeEditor));
}
if (!hasWriteAccess)
{
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
}
writeServiceColl.Properties.Add(customProperty);
customProperty = new DemoClient.Helper.CustomProperty("Start Index",
"System.Int32", null, null, dataArray.GetLowerBound(0));
if (!hasWriteAccess)
{
customProperty.Attributes = new Attribute[] {
ReadOnlyAttribute.Yes
};
}
writeServiceColl.Properties.Add(customProperty);
}
return(writeServiceColl);
}
