private void EnumImportersFromDirectory(string importerDirectory)
{
if (!Directory.Exists(importerDirectory))
{
return;
}
string[] Files = Directory.GetFiles(importerDirectory, "*.DLL");
List <string> OrderedFiles = OrderedImporterFiles(Files);
foreach (string file in OrderedFiles)
{
//we know this is a native image
MainForm.LogMessage("detecting importer file " + file + " version and creation date " + FileVersions(file));
if (Path.GetFileName(file).ToUpper() == "BulkLoad.dll".ToUpper())
{
MainForm.LogMessage(String.Format(Properties.Resources.Msg_NativeImage, file));
continue;
}
Assembly Assem;
try
{
Assem = Assembly.LoadFile(file);
}
catch (Exception ex)
{
MainForm.LogMessage("Assembly " + file + " could not be used as an importer: " + ex.Message, MessageOptions.Silent);
continue;
}
Type[] typs = Assem.GetExportedTypes();
foreach (Type typ in typs)
{
//Ignore abstract classes
if (typ.IsAbstract)
{
continue;
}
//Ignore non-classes
if (!typ.IsClass)
{
continue;
}
TypeFilter loadIfcFilt = new TypeFilter(loadIfcFilter);
Type[] ifcs = typ.FindInterfaces(loadIfcFilt, "NexusInterfaces.INexusImporter");
foreach (Type ifc in ifcs)
{
//If we get in here, the Class implements the interface, so add it to the list
//and bail
INexusImporter prod = (INexusImporter)Assem.CreateInstance(typ.FullName, true);
prod.StatusChanged += new System.EventHandler(this.ImportStatusChanged);
if (prod is INexusProgressReporter)
{
(prod as INexusProgressReporter).ProgressChanged += new System.EventHandler(this.ImportProgressChanged);
}
ToolStripMenuItem tsi = new ToolStripMenuItem(prod.Name);
tsi.Tag = prod;
tsiImporters.DropDownItems.Add(tsi);
// Add subitems
// Enabled item
// All importers require an "Enabled" menu option -- if this doesn't exist in the options collection, add it.
object enabledoption;
if (!prod.Options.TryGetValue("Enabled", out enabledoption))
{
prod.Options.Add("Enabled", true);
}
// options
ToolStripMenuItem subtsi;
foreach (string option in prod.Options.Keys)
{
subtsi = new ToolStripMenuItem(option);
if (option.Substring(option.Length - 3) == "...") // dialog
{
subtsi.Tag = prod.OptionsDialog;
subtsi.Click += new System.EventHandler(this.tsiDialog_Click);
}
else // boolean
{
m_OptionList.Add(subtsi);
subtsi.Tag = prod;
subtsi.CheckOnClick = true;
bool UserSaved = ImportOptions.IsEnabled(String.Format("{0}.{1}", prod.Name, subtsi.Text));
MainForm.LogMessage("load: " + String.Format("{0}.{1}", prod.Name, option), MessageOptions.Silent);
if (ImportOptions.IsEnabled("SaveImportOptions"))
{
subtsi.Checked = UserSaved;
}
else
{
subtsi.Checked = (bool)prod.Options[option];
}
subtsi.Click += new System.EventHandler(this.tsiBool_Click);
}
tsi.DropDownItems.Add(subtsi);
}
}
}
}
}
/// <summary>
/// 把DataGrid中的数据按行赋给业务对象
/// </summary>
/// <param name="grid">DataGrid实例</param>
/// <param name="model">业务对象的类型</param>
/// <param name="isThrow">是否抛出异常</param>
/// <returns>业务对象的集合</returns>
public static List <object> BindModelByDataGrid(DataGrid grid, System.Type model, bool isThrow)
{
int RowsCount = -1;
List <object> list;
Assembly Assem;
RowsCount = grid.Items.Count;
//动态创建业务对象集合。
try
{
Assem = Assembly.Load(model.Assembly.FullName);
list = new List <object>();
for (int i = 0; i < RowsCount; i++)
{
list.Add(Assem.CreateInstance(model.FullName, true));
}
}
catch
{
return(null);
}
//获取业务类公共实例属性
PropertyInfo[] Properties = model.GetProperties(BindingFlags.Instance |
BindingFlags.Public);
#region 遍历每一列赋值
for (int i = 0; i < grid.Columns.Count; i++)
{
if (grid.Columns[i] is BoundColumn)
{
BoundColumn BC = grid.Columns[i] as BoundColumn;
foreach (PropertyInfo Property in Properties)
{
if (Property.Name == BC.DataField)
{
//把该列的每一行赋值给业务对象
for (int j = 0; j < RowsCount; j++)
{
try
{
if (grid.Items[j].Cells[i].HasControls())
{
Property.SetValue(list[j],
Convert.ChangeType((grid.Items[j].Cells[i].Controls[0] as TextBox).Text, Property.PropertyType),
null);
}
else
{
Property.SetValue(list[j], Convert.ChangeType(grid.Items[j].Cells[i].Text, Property.PropertyType), null);
}
}
catch
{
if (isThrow)
{
throw;
}
else
{
continue;
}
}
}
}
}
}
}
#endregion 遍历每一列赋值
return(list);
}
