public override Boolean CanResetValue(Object component)
{
//Cannot reset key property (this would create a new instance)
if (WmiHelper.IsKeyProperty(prop))
{
return(false);
}
else
{
return(!IsReadOnly);
}
}
/// <summary>
/// Creates and adds to grid a single row corresponding to a single property. Can be called recursively for embedded
/// objects.
/// </summary>
/// <param name="prop"> </param>
/// <param name="namePrefix">This is used for embedded objects, so that the propertyof an embedded object
/// appears to have name of form "Parent.Child" </param>
private DataRow CreatePropertyRow(Property prop, string namePrefix)
{
if (prop == null)
{
return(null);
}
if (propFilters.HideInherited && !prop.IsLocal)
{
return(null); //skip this property
}
DataRow propRow = NewRow();
propRow[propNameColumn] = namePrefix + prop.Name;
propRow[propTypeColumn] = CimTypeMapper.ToString(prop.Type);
if (showOperators)
{
//TODO: initialize drop-down. How: in Beta2, a DataGridColumnStyle derived class
//can be added, DataGridComboBoxColumn. Ask urtuser if they are planning to
//to add one themselves
propRow[operatorColumn] = string.Empty;
}
if (prop.Type == CimType.Object)
{
if ((showValues || showEmbeddedObjValue) &&
prop.Value is ManagementBaseObject)
{
if (showOperators)
{
propRow[operatorColumn] = "ISA";
}
propRow[propValueColumn] = ((ManagementBaseObject)prop.Value).SystemProperties["__CLASS"].Value.ToString();
}
else
{
propRow[propValueColumn] = string.Empty;
}
}
else
{
if (showValues)
{
propRow[propValueColumn] = prop.Value;
}
else
{
propRow[propValueColumn] = string.Empty;
}
}
//propRow[propDescrColumn] = WmiHelper.GetPropertyDescription(prop, wmiObj);
//set property origin column
if (showOrigin)
{
if (prop.IsLocal)
{
propRow[propOrigin] = true;
}
else
{
propRow[propOrigin] = false;
}
}
if (showKeys)
{
propRow[propIsKey] = WmiHelper.IsKeyProperty(prop);
}
//grey selectionBoxColumn for expanded embedded object properties:
if (propRow[propNameColumn].ToString().IndexOf(".") > 0)
{
//NOTE: this doesn't work!!! is there a way to disable input on an individual cell?
propRow.SetUnspecified(selectionBoxColumn);
}
Rows.Add(propRow);
if (prop.Type == CimType.Object && expandEmbedded)
{
if (prop.Value != null && prop.Value is ManagementBaseObject)
{
ManagementBaseObject embeddedObj = (ManagementBaseObject)prop.Value;
foreach (Property embeddedProp in embeddedObj.Properties)
{
CreatePropertyRow(embeddedProp, prop.Name + ".");
}
}
}
rowPropertyMap.Add(propRow, prop);
return(propRow);
}
void SetLabel()
{
ManagementPath mgmtPath = mgmtObj.Path;
if (mgmtPath.IsSingleton)
{
label = mgmtPath.ClassName;
}
else
{
//this is not a singleton. Construct label to consist of comma-separated
//key property values and caption value.
bool needCaption = true;
string keyVals = string.Empty;
string caption = string.Empty;
PropertyCollection props = mgmtObj.Properties;
try
{
caption = props["Caption"].Value.ToString();
}
catch (Exception)
{
//no "Caption" property
needCaption = false;
}
if (caption == string.Empty)
{
needCaption = false;
}
//get key property values
PropertyCollection.PropertyEnumerator propEnum = mgmtObj.Properties.GetEnumerator();
while (propEnum.MoveNext())
{
if (WmiHelper.IsKeyProperty(propEnum.Current))
{
string keyval = propEnum.Current.Value.ToString();
if (needCaption && (string.Compare(keyval, caption, true) == 0))
{
needCaption = false;
}
keyVals += keyval + ",";
}
}
if (keyVals != string.Empty)
{
//get rid of last character (a comma)
keyVals = keyVals.Substring(0, keyVals.Length - 1);
}
if (needCaption)
{
label = caption + "(" + keyVals + ")";
}
else
{
label = keyVals;
}
if (label == string.Empty)
{
label = className;
}
}
}
private void Initialize()
{
try
{
this.TableName = wmiObj.Path_.Class;
propNameColumn = new DataColumn(WMISys.GetString("WMISE_PropTable_ColumnName"));
propNameColumn.AllowNull = false;
propNameColumn.Unique = true;
propNameColumn.DataType = typeof(string);
propTypeColumn = new DataColumn(WMISys.GetString("WMISE_PropTable_ColumnType"));
propTypeColumn.AllowNull = false;
propTypeColumn.DataType = typeof(string);
propValueColumn = new DataColumn(WMISys.GetString("WMISE_PropTable_ColumnValue"));
propValueColumn.DefaultValue = null;
propDescrColumn = new DataColumn(WMISys.GetString("WMISE_PropTable_ColumnDescription"));
propDescrColumn.ReadOnly = true;
propDescrColumn.DefaultValue = string.Empty;
propDescrColumn.DataType = typeof(string);
if (showOperators)
{
operatorColumn = new DataColumn(WMISys.GetString("WMISE_PropTable_ColumnComparison"),
typeof(ComparisonOperators));
}
//operatorColumn.AllowNull = false;
/*
* ValueEditor dropDownEditor = new ValueEditor();
* dropDownEditor.Style = ValueEditorStyles.DropdownArrow;
* operatorColumn.DataValueEditorType = dropDownEditor.GetType();
*/
if (showKeys)
{
propIsKey = new DataColumn(WMISys.GetString("WMISE_PropTable_ColumnIsKey"), typeof(Boolean));
propIsKey.AllowNull = false;
propIsKey.DefaultValue = false;
}
if (showOrigin)
{
propOrigin = new DataColumn(WMISys.GetString("WMISE_PropTable_ColumnIsLocal"), typeof(Boolean));
propOrigin.AllowNull = false;
propOrigin.DefaultValue = true;
}
//set read/write permissions on columns
//Note that DefaultView takes care of the rest of the restrictions
//(see below)
if (gridMode == GridMode.EditMode)
{
propNameColumn.ReadOnly = true;
propTypeColumn.ReadOnly = true;
propValueColumn.ReadOnly = false;
if (showOrigin)
{
propOrigin.ReadOnly = true;
}
if (showKeys)
{
propIsKey.ReadOnly = true;
}
}
if (gridMode == GridMode.DesignMode && showOrigin)
{
propOrigin.ReadOnly = true;
}
Columns.Add(propNameColumn);
Columns.Add(propTypeColumn);
if (showOperators)
{
//operatorColumn.DataValueEditorType = typeof(OperatroDataColumnEditor);
operatorColumn.ReadOnly = false;
Columns.Add(operatorColumn);
}
Columns.Add(propValueColumn);
//Columns.Add(propDescrColumn);
if (showOrigin)
{
Columns.Add(propOrigin);
}
if (showKeys)
{
Columns.Add(propIsKey);
}
ISWbemPropertySet props = wmiObj.Properties_;
IEnumerator propEnum = ((IEnumerable)props).GetEnumerator();
while (propEnum.MoveNext())
{
ISWbemProperty prop = (ISWbemProperty)propEnum.Current;
if (propFilters == PropertyFilters.NoInherited &&
!prop.IsLocal)
{
continue; //skip this property
}
DataRow propRow = NewRow();
propRow[propNameColumn] = prop.Name;
propRow[propTypeColumn] = CIMTypeMapper.ToString(prop.CIMType);
propRow[propValueColumn] = prop.get_Value();
//propRow[propDescrColumn] = WmiHelper.GetPropertyDescription(prop, wmiObj);
if (showOperators)
{
propRow[operatorColumn] = "=";
}
//set property origin column
if (showOrigin)
{
if (prop.IsLocal)
{
propRow[propOrigin] = true;
}
else
{
propRow[propOrigin] = false;
}
}
if (showKeys)
{
propRow[propIsKey] = WmiHelper.IsKeyProperty(prop);
}
Rows.Add(propRow);
}
//TODO: add system properties here (if PropertyFilters.ShowAll)
this.CaseSensitive = false;
this.RowChanged += new DataRowChangeEventHandler(this.RowChangedEventHandler);
this.RowChanging += new DataRowChangeEventHandler(this.RowChangingEventHandler);
DataView view = this.DefaultView;
switch (gridMode)
{
case (GridMode.ViewMode):
{
view.AllowEdit = false; //wmi raid 2866?
view.AllowDelete = false;
view.AllowNew = false;
break;
}
case (GridMode.EditMode):
{
view.AllowEdit = true;
view.AllowDelete = false;
view.AllowNew = false;
break;
}
case (GridMode.DesignMode):
{
view.AllowEdit = true;
view.AllowDelete = true;
view.AllowNew = true;
break;
}
}
}
catch (Exception exc)
{
MessageBox.Show(WMISys.GetString("WMISE_Exception", exc.Message, exc.StackTrace));
}
}
