private void InitModel()
{
if (this.ItemType != null)
{
Model item = new Model();
PropertyInfo[] infoArray2 = this.ItemType.GetProperties();
GridFilters filters = new GridFilters();
filters.MenuFilterText = "搜索";
filters.ID = "filters" + ID;
for (int i = 0; i < infoArray2.Length; i++)
{
Func<ColumnBase, bool> predicate = null;
PropertyInfo property = infoArray2[i];
ModelField field = new ModelField
{
Name = property.Name
};
#region 映射字段类型
string fullName = property.PropertyType.FullName;
if (fullName.Contains("System.Int"))
{
var enumDataTypeAttr = AttributeHelper.GetAttribute<EnumDataTypeAttribute>(property);
if (enumDataTypeAttr == null)
{
field.Type = ModelFieldType.Int;
}
}
else if (fullName.Contains("System.DateTime"))
{
field.Type = ModelFieldType.Date;
}
else if (fullName.Contains("System.Single"))
{
field.Type = ModelFieldType.Float;
}
else if (fullName.Contains("System.Boolean"))
{
field.Type = ModelFieldType.Boolean;
}
else if (fullName.Contains("System.String"))
{
field.Type = ModelFieldType.String;
}
else if (!property.PropertyType.IsPrimitive)
{
field.Type = ModelFieldType.Object;
}
else
{
field.Type = ModelFieldType.Auto;
}
#endregion
item.Fields.Add(field);
if (predicate == null)
{
predicate = x => x.DataIndex == property.Name;
}
ColumnBase column = this.ColumnModel.Columns.FirstOrDefault<ColumnBase>(predicate);
if (column == null)
{
ColumnBase base2;
DataGridColumnAttribute displayAttr = AttributeHelper.GetAttribute<DataGridColumnAttribute>(property);
FilterAttribute filterAttr = AttributeHelper.GetAttribute<FilterAttribute>(property);
bool simpleFilterable = filterAttr != null && filterAttr.Enabled && filterAttr.FilterType == null;
GridFilter filter = null;
#region 映射列类型
if (fullName.Contains("System.Int")
|| fullName.Contains("System.Single")
|| fullName.Contains("System.Decimal")
|| fullName.Contains("System.Double"))
{
NumberColumn column1 = new NumberColumn
{
Format = this.GetFormat(displayAttr, "0")
};
base2 = column1;
if (simpleFilterable && filterAttr.FilterType == null)
{
filter = new NumericFilter();
}
}
else if (fullName.Contains("System.DateTime"))
{
DateColumn column2 = new DateColumn
{
Format = this.GetFormat(displayAttr, "Y-m-d")
};
base2 = column2;
if (simpleFilterable)
{
filter = new DateFilter()
{
AfterText = "在这之后",
BeforeText = "在这之前",
OnText = "在这天"
};
}
}
else if (fullName.Contains("System.Boolean"))
{
string[] strArray = this.GetFormat(displayAttr, "是|否").Split(new char[] { '|' });
BooleanColumn column4 = new BooleanColumn
{
TrueText = strArray[0],
FalseText = strArray[1]
};
base2 = column4;
if (simpleFilterable)
{
filter = new BooleanFilter()
{
NoText = strArray[1],
YesText = strArray[0]
};
}
}
else if (fullName.Contains("System.String"))
{
base2 = new Column();
if (simpleFilterable)
{
filter = new StringFilter();
}
}
else if (!property.PropertyType.IsPrimitive)
{
base2 = new Column();
if (simpleFilterable)
{
filter = new StringFilter();
}
}
else
{
base2 = new Column();
if (simpleFilterable)
{
filter = new StringFilter();
}
}
#endregion
#region 生成外键过滤器
if (filterAttr != null && filterAttr.Enabled && filterAttr.FilterType != null)
{
Store store = new Store();
store.ID = "filterStore" + property.Name;
if (filterAttr.FilterType.IsEnum)
{
var valueType = filterAttr.FilterType;
var values = Enum.GetValues(valueType);
var names = Enum.GetNames(valueType);
List<KeyValueModel> enumDict = new List<KeyValueModel>();
for (int it = 0; it < values.Length; it++)
{
var fieldInfo = valueType.GetField(names[it]);
var descAttr = AttributeHelper.GetAttribute<DescriptionAttribute>(fieldInfo);
if (descAttr == null)
{
throw new Exception("枚举必须要有Description");
}
int key = (int)values.GetValue(it);
enumDict.Add(new KeyValueModel()
{
Id = key,
Name = descAttr.Description
});
}
Model model = new Model();
model.Fields.Add(new ModelField("Id", ModelFieldType.Int));
model.Fields.Add(new ModelField("Name", ModelFieldType.String));
store.Model.Add(model);
store.DataSource = enumDict;
store.DataBind();
filter = new ListFilter()
{
StoreID = store.ID,
Single = true,
IDField = "Id",
LabelField = "Name"
};
}
else
{
var filterObject = Activator.CreateInstance(filterAttr.FilterType);
var filterGen = filterObject as ForeignFilterBase;
if (filterGen == null)
{
throw new ArgumentException("FilterAttribute中的FilterType的类型必须为ForeignFilterBase的子类或枚举类型");
}
store.Model.Add(filterGen.GetModel());
store.DataSource = filterGen.GetData();
store.DataBind();
filter = new ListFilter()
{
StoreID = store.ID,
Single = true,
IDField = filterGen.IdField,
LabelField = filterGen.LabelField
};
}
Bin.Add(store);
}
#endregion
base2.Text = (displayAttr == null) ? property.Name : displayAttr.DisplayName;
base2.DataIndex = property.Name;
if (displayAttr != null && displayAttr.Width != -1)
base2.Width = displayAttr.Width;
if (displayAttr != null && displayAttr.ValueType != null)
{
Type valueType = displayAttr.ValueType;
var values = Enum.GetValues(valueType);
var names = Enum.GetNames(valueType);
Dictionary<int, string> enumDict = new Dictionary<int, string>();
List<string> valueList = new List<string>();
for (int it = 0; it < values.Length; it++)
{
var fieldInfo = valueType.GetField(names[it]);
var descAttr = AttributeHelper.GetAttribute<DescriptionAttribute>(fieldInfo);
int key = (int)values.GetValue(it);
enumDict.Add(key, descAttr.Description);
valueList.Add("values[\"" + names[it] + "\"]=\"" + (descAttr != null ? descAttr.Description : names[it]) + "\";");
}
base2.Renderer.Fn = "function(){var values=Array();" + string.Join(string.Empty, valueList) + "return values[arguments[0]];}";
}
if (filter != null)
{
filter.DataIndex = property.Name;
filters.Filters.Add(filter);
}
column = base2;
this.ColumnModel.Columns.Add(base2);
}
column.TabIndex = (short)i;
}
Features.Add(filters);
if (this.ColumnModel.Columns.Count >= 10)
{
this.AutoScroll = true;
}
var list = ColumnModel.Columns.OrderBy(x => x.TabIndex).ToList();
ColumnModel.Columns.Clear();
ColumnModel.Columns.AddRange(list);
this._store.Model.Add(item);
}
}