protected virtual new AutoGeneratedField CreateAutoGeneratedColumn(AutoGeneratedFieldProperties fieldProperties)
{
Contract.Requires(fieldProperties != null);
Contract.Ensures(Contract.Result <AutoGeneratedField>() != null);
return(default(AutoGeneratedField));
}
internal AutoGeneratedField (AutoGeneratedFieldProperties fieldProperties)
{
DataField = fieldProperties.DataField;
DataType = fieldProperties.Type;
SortExpression = fieldProperties.Name;
HeaderText = fieldProperties.Name;
ReadOnly = fieldProperties.IsReadOnly;
}
internal AutoGeneratedField(AutoGeneratedFieldProperties fieldProperties)
{
DataField = fieldProperties.DataField;
DataType = fieldProperties.Type;
SortExpression = fieldProperties.Name;
HeaderText = fieldProperties.Name;
ReadOnly = fieldProperties.IsReadOnly;
}
/// <devdoc>
/// Create a single autogenerated field. This function can be overridden to create a different AutoGeneratedField.
/// </devdoc>
protected virtual AutoGeneratedField CreateAutoGeneratedFieldFromFieldProperties(AutoGeneratedFieldProperties fieldProperties) {
AutoGeneratedField field = new AutoGeneratedField(fieldProperties.DataField);
string name = fieldProperties.Name;
((IStateManager)field).TrackViewState();
field.HeaderText = name;
field.SortExpression = name;
field.ReadOnly = fieldProperties.IsReadOnly;
field.DataType = fieldProperties.Type;
return field;
}
protected virtual void LoadViewState(object savedState) {
if (savedState != null) {
object[] autoGenFieldStateArray = (object[])savedState;
int fieldCount = autoGenFieldStateArray.Length;
AutoGeneratedFieldProperties.Clear();
for (int i = 0; i < fieldCount; i++) {
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
((IStateManager)fieldProps).LoadViewState(autoGenFieldStateArray[i]);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
}
protected virtual void LoadViewState(object savedState)
{
if (savedState != null)
{
object[] autoGenFieldStateArray = (object[])savedState;
int fieldCount = autoGenFieldStateArray.Length;
AutoGeneratedFieldProperties.Clear();
for (int i = 0; i < fieldCount; i++)
{
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
((IStateManager)fieldProps).LoadViewState(autoGenFieldStateArray[i]);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
}
protected virtual new AutoGeneratedField CreateAutoGeneratedColumn(AutoGeneratedFieldProperties fieldProperties)
{
return(default(AutoGeneratedField));
}
public override List <AutoGeneratedField> CreateAutoGeneratedFields(object dataItem, Control control)
{
if (!(control is DetailsView))
{
throw new ArgumentException(SR.GetString(SR.InvalidDefaultAutoFieldGenerator, GetType().FullName, typeof(DetailsView).FullName));
}
DetailsView detailsView = control as DetailsView;
if (dataItem == null)
{
// note that we're not throwing an exception in this case, and the calling
// code should be able to handle a null arraylist being returned
return(null);
}
List <AutoGeneratedField> generatedFields = new List <AutoGeneratedField>();
PropertyDescriptorCollection propDescs = null;
bool throwException = true;
Type dataItemType = null;
//The base class ensures that the AutoGeneratedFieldProperties collection is reset before this method is called.
//However we are doing this again in here because we have another caller DetailsView.CreateAutoGeneratedRows which is
//not being used anywhere today but kept for backward compatibility.
if (AutoGeneratedFieldProperties.Count > 0)
{
AutoGeneratedFieldProperties.Clear();
}
if (dataItem != null)
{
dataItemType = dataItem.GetType();
}
if ((dataItem != null) && (dataItem is ICustomTypeDescriptor))
{
// Get the custom properties of the object
propDescs = TypeDescriptor.GetProperties(dataItem);
}
else if (dataItemType != null)
{
// directly bindable types: strings, ints etc. get treated specially, since we
// don't care about their properties, but rather we care about them directly
if (ShouldGenerateField(dataItemType, detailsView))
{
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Name = "Item";
fieldProps.DataField = AutoGeneratedField.ThisExpression;
fieldProps.Type = dataItemType;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null)
{
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
else
{
// complex type... we get its properties
propDescs = TypeDescriptor.GetProperties(dataItemType);
}
}
if ((propDescs != null) && (propDescs.Count != 0))
{
string[] dataKeyNames = detailsView.DataKeyNames;
int keyNamesLength = dataKeyNames.Length;
string[] dataKeyNamesCaseInsensitive = new string[keyNamesLength];
for (int i = 0; i < keyNamesLength; i++)
{
dataKeyNamesCaseInsensitive[i] = dataKeyNames[i].ToLowerInvariant();
}
foreach (PropertyDescriptor pd in propDescs)
{
Type propertyType = pd.PropertyType;
if (ShouldGenerateField(propertyType, detailsView))
{
string name = pd.Name;
bool isKey = ((IList)dataKeyNamesCaseInsensitive).Contains(name.ToLowerInvariant());
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Name = name;
fieldProps.IsReadOnly = isKey;
fieldProps.Type = propertyType;
fieldProps.DataField = name;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null)
{
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
}
}
if ((generatedFields.Count == 0) && throwException)
{
// this handles the case where we got back something that either had no
// properties, or all properties were not bindable.
throw new InvalidOperationException(SR.GetString(SR.DetailsView_NoAutoGenFields, detailsView.ID));
}
return(generatedFields);
}
public override List<AutoGeneratedField> CreateAutoGeneratedFields(object dataObject, Control control) {
if (!(control is GridView)) {
throw new ArgumentException(SR.GetString(SR.InvalidDefaultAutoFieldGenerator, GetType().FullName, typeof(GridView).FullName));
}
Debug.Assert(dataObject == null || dataObject is PagedDataSource);
PagedDataSource dataSource = dataObject as PagedDataSource;
GridView gridView = control as GridView;
if (dataSource == null) {
// note that we're not throwing an exception in this case, and the calling
// code should be able to handle a null arraylist being returned
return null;
}
List<AutoGeneratedField> generatedFields = new List<AutoGeneratedField>();
PropertyDescriptorCollection propDescs = null;
bool throwException = true;
// try ITypedList first
// A PagedDataSource implements this, but returns null, if the underlying data source
// does not implement it.
propDescs = ((ITypedList)dataSource).GetItemProperties(new PropertyDescriptor[0]);
if (propDescs == null) {
Type sampleItemType = null;
object sampleItem = null;
IEnumerable realDataSource = dataSource.DataSource;
Debug.Assert(realDataSource != null, "Must have a real data source when calling CreateAutoGeneratedColumns");
Type dataSourceType = realDataSource.GetType();
// try for a typed Row property, which should be present on strongly typed collections
PropertyInfo itemProp = dataSourceType.GetProperty("Item", BindingFlags.Public | BindingFlags.Instance, null, null, new Type[] { typeof(int) }, null);
if (itemProp != null) {
sampleItemType = itemProp.PropertyType;
}
if ((sampleItemType == null) || (sampleItemType == typeof(object))) {
// last resort... try to get ahold of the first item by beginning the
// enumeration
IEnumerator e = dataSource.GetEnumerator();
if (e.MoveNext()) {
sampleItem = e.Current;
}
else {
// we don't want to throw an exception if we're bound to an IEnumerable
// data source with no records... we'll simply bail and not show any data
throwException = false;
}
if (sampleItem != null) {
sampleItemType = sampleItem.GetType();
}
// We must store the enumerator regardless of whether we got back an item from it
// because we cannot start the enumeration again, in the case of a DataReader.
// Code in CreateChildControls must deal appropriately for the case where
// there is a stored enumerator, but a null object as the first item.
gridView.StoreEnumerator(e, sampleItem);
}
if ((sampleItem != null) && (sampleItem is ICustomTypeDescriptor)) {
// Get the custom properties of the object
propDescs = TypeDescriptor.GetProperties(sampleItem);
}
else if (sampleItemType != null) {
// directly bindable types: strings, ints etc. get treated specially, since we
// don't care about their properties, but rather we care about them directly
if (ShouldGenerateField(sampleItemType, gridView)) {
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Type = sampleItemType;
fieldProps.Name = "Item";
fieldProps.DataField = AutoGeneratedField.ThisExpression;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null) {
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
else {
// complex type... we get its properties
propDescs = TypeDescriptor.GetProperties(sampleItemType);
}
}
}
else {
if (propDescs.Count == 0) {
// we don't want to throw an exception if we're bound to an ITypedList
// data source with no records... we'll simply bail and not show any data
throwException = false;
}
}
if ((propDescs != null) && (propDescs.Count != 0)) {
string[] dataKeyNames = gridView.DataKeyNames;
int keyNamesLength = dataKeyNames.Length;
string[] dataKeyNamesCaseInsensitive = new string[keyNamesLength];
for (int i = 0; i < keyNamesLength; i++) {
dataKeyNamesCaseInsensitive[i] = dataKeyNames[i].ToLowerInvariant();
}
foreach (PropertyDescriptor pd in propDescs) {
Type propertyType = pd.PropertyType;
if (ShouldGenerateField(propertyType, gridView)) {
string name = pd.Name;
bool isKey = ((IList)dataKeyNamesCaseInsensitive).Contains(name.ToLowerInvariant());
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Name = name;
fieldProps.IsReadOnly = isKey;
fieldProps.Type = propertyType;
fieldProps.DataField = name;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null) {
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
}
}
if ((generatedFields.Count == 0) && throwException) {
// this handles the case where we got back something that either had no
// properties, or all properties were not bindable.
throw new InvalidOperationException(SR.GetString(SR.GridView_NoAutoGenFields, gridView.ID));
}
return generatedFields;
}
AutoGeneratedFieldProperties[] CreateAutoFieldProperties (object dataItem)
{
PropertyDescriptorCollection props = TypeDescriptor.GetProperties (dataItem);
ArrayList retVal = new ArrayList();
if (props != null && props.Count > 0)
{
foreach (PropertyDescriptor current in props) {
if (IsBindableType (current.PropertyType)) {
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties ();
((IStateManager)field).TrackViewState();
field.Name = current.Name;
field.DataField = current.Name;
field.IsReadOnly = current.IsReadOnly;
field.Type = current.PropertyType;
retVal.Add (field);
}
}
}
if (retVal.Count > 0)
return (AutoGeneratedFieldProperties[]) retVal.ToArray (typeof(AutoGeneratedFieldProperties));
else
return new AutoGeneratedFieldProperties [0];
}
AutoGeneratedFieldProperties[] CreateAutoFieldProperties (object dataItem)
{
if (IsBindableType (dataItem.GetType ()))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties ();
((IStateManager) field).TrackViewState ();
field.Name = "Item";
field.DataField = BoundField.ThisExpression;
field.Type = dataItem.GetType ();
return new AutoGeneratedFieldProperties [] { field };
}
PropertyDescriptorCollection props = TypeDescriptor.GetProperties (dataItem, false);
if (props != null && props.Count > 0) {
ArrayList retVal = new ArrayList ();
foreach (PropertyDescriptor current in props) {
if (IsBindableType (current.PropertyType)) {
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties ();
((IStateManager) field).TrackViewState ();
field.Name = current.Name;
field.DataField = current.Name;
for (int i = 0; i < DataKeyNames.Length; i++) {
if (string.Compare (DataKeyNames [i], current.Name, StringComparison.InvariantCultureIgnoreCase) == 0) {
field.IsReadOnly = true;
break;
}
}
field.Type = current.PropertyType;
retVal.Add (field);
}
}
if (retVal.Count > 0)
return (AutoGeneratedFieldProperties []) retVal.ToArray (typeof (AutoGeneratedFieldProperties));
}
throw new HttpException (String.Format ("DetailsView with id '{0}' did not have any properties or attributes from which to generate fields. Ensure that your data source has content.", ID));
}
protected virtual AutoGeneratedField CreateAutoGeneratedColumn (AutoGeneratedFieldProperties fieldProperties)
{
return new AutoGeneratedField (fieldProperties);
}
public AutoGeneratedField DoCreateAutoGeneratedColumn (AutoGeneratedFieldProperties fieldProperties)
{
return base.CreateAutoGeneratedColumn (fieldProperties);
}
protected override void LoadViewState (object savedState)
{
if (savedState == null) {
base.LoadViewState (null);
return;
}
object [] states = (object []) savedState;
if (states[11] != null) {
object[] data = (object[]) states [11];
autoFieldProperties = new AutoGeneratedFieldProperties [data.Length];
for (int n=0; n<data.Length; n++) {
IStateManager p = new AutoGeneratedFieldProperties ();
p.TrackViewState ();
p.LoadViewState (data [n]);
autoFieldProperties [n] = (AutoGeneratedFieldProperties) p;
}
}
base.LoadViewState (states[0]);
if (states[1] != null) ((IStateManager)Columns).LoadViewState (states[1]);
if (states[2] != null) ((IStateManager)PagerSettings).LoadViewState (states[2]);
if (states[3] != null) ((IStateManager)AlternatingRowStyle).LoadViewState (states[3]);
if (states[4] != null) ((IStateManager)FooterStyle).LoadViewState (states[4]);
if (states[5] != null) ((IStateManager)HeaderStyle).LoadViewState (states[5]);
if (states[6] != null) ((IStateManager)PagerStyle).LoadViewState (states[6]);
if (states[7] != null) ((IStateManager)RowStyle).LoadViewState (states[7]);
if (states[8] != null) ((IStateManager)SelectedRowStyle).LoadViewState (states[8]);
if (states[9] != null) ((IStateManager)EditRowStyle).LoadViewState (states[9]);
if (states[10] != null) ((IStateManager)EmptyDataRowStyle).LoadViewState (states[10]);
}
AutoGeneratedFieldProperties[] CreateAutoFieldProperties(IEnumerable source, IEnumerator en)
{
Data = null;
JsonData = "";
if (this.SerializationMode == SerializationMode.Complex)
{
Data = source;
return null;
}
if (source == null) return null;
if (source is string && source.ToString().StartsWith("http"))
{
this.JsonData = "'{0}'".FormatWith(source);
this.IsUrl = true;
return null;
}
ITypedList typed = source as ITypedList;
PropertyDescriptorCollection props = typed == null ? null : typed.GetItemProperties(new PropertyDescriptor[0]);
Type prop_type;
ArrayList retVal = new ArrayList();
if (props == null)
{
object fitem = null;
prop_type = null;
PropertyInfo prop_item = source.GetType().GetProperty("Item",
BindingFlags.Instance | BindingFlags.Static |
BindingFlags.Public, null, null,
new Type[] { typeof(int) }, null);
if (prop_item != null)
{
prop_type = prop_item.PropertyType;
if (prop_type.IsInterface)
{
prop_type = null;
}
}
if (prop_type == null || prop_type == typeof(object))
{
if (en.MoveNext())
{
fitem = en.Current;
this.firstRecord = fitem;
}
if (fitem != null)
{
prop_type = fitem.GetType();
}
}
if (fitem != null && fitem is ICustomTypeDescriptor)
{
props = TypeDescriptor.GetProperties(fitem);
}
else if (prop_type != null)
{
if (IsBindableType(prop_type))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties();
((IStateManager)field).TrackViewState();
field.Name = "Item";
field.DataField = BoundField.ThisExpression;
field.Type = prop_type;
retVal.Add(field);
}
else
{
if (prop_type.IsArray)
{
Data = source;
return null;
}
else
{
props = TypeDescriptor.GetProperties(prop_type);
}
}
}
}
if (props != null && props.Count > 0)
{
foreach (PropertyDescriptor current in props)
{
if (this.IsBindableType(current.PropertyType) || this.IsComplexField(current.Name))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties();
field.Name = current.Name;
field.DataField = current.Name;
retVal.Add(field);
}
}
}
if (retVal.Count > 0)
{
return (AutoGeneratedFieldProperties[])retVal.ToArray(typeof(AutoGeneratedFieldProperties));
}
return null;
}
/// <devdoc>
/// Create a single autogenerated field. This function can be overridden to create a different AutoGeneratedField.
/// </devdoc>
protected virtual AutoGeneratedField CreateAutoGeneratedFieldFromFieldProperties(AutoGeneratedFieldProperties fieldProperties)
{
AutoGeneratedField field = new AutoGeneratedField(fieldProperties.DataField);
string name = fieldProperties.Name;
((IStateManager)field).TrackViewState();
field.HeaderText = name;
field.SortExpression = name;
field.ReadOnly = fieldProperties.IsReadOnly;
field.DataType = fieldProperties.Type;
return(field);
}
private object GetFieldValue(AutoGeneratedFieldProperties property, object obj, RecordField field, System.Data.DataRow dataRow)
{
if (field != null && field.ServerMapping.IsNotEmpty())
{
string[] mapping = field.ServerMapping.Split('.');
if (mapping.Length > 1)
{
for (int i = 0; i < mapping.Length; i++)
{
if (dataRow != null && dataRow.IsNull(mapping[i]))
{
return null;
}
PropertyInfo p = obj.GetType().GetProperty(mapping[i]);
try
{
obj = p.GetValue(obj, null);
}
catch (NullReferenceException e)
{
throw new NullReferenceException(String.Format("Mapped property '{0}' doesn't exist", mapping[i]));
}
if (obj == null)
{
return null;
}
}
return obj;
}
}
return (dataRow != null && dataRow.IsNull(property.DataField)) ? null : DataBinder.GetPropertyValue(obj, property.DataField);
}
private void BindRecord(AutoGeneratedFieldProperties[] autoFieldProperties, StringBuilder sb, object obj)
{
sb.Append("{");
System.Data.DataRow dataRow = obj as System.Data.DataRow;
foreach (AutoGeneratedFieldProperties property in autoFieldProperties)
{
FieldInReader field = this.IsInReader(property.DataField);
if (this.IgnoreExtraFields && !field.InReader)
{
continue;
}
if (field.Fields != null && field.Fields.Count > 0)
{
foreach (RecordField recordField in field.Fields)
{
object value = this.GetFieldValue(property, obj, recordField, dataRow);
if (value != null && value.GetType().IsEnum && recordField.Type == RecordFieldType.Int)
{
value = (int)value;
}
sb.AppendFormat("{0}:{1},", JSON.Serialize(string.IsNullOrEmpty(recordField.Mapping) ? recordField.Name : recordField.Mapping), JSON.Serialize(value));
}
}
else
{
if (dataRow == null || !dataRow.IsNull(property.DataField))
{
sb.AppendFormat("{0}:{1},", JSON.Serialize(property.DataField), JSON.Serialize(DataBinder.GetPropertyValue(obj, property.DataField)));
}
}
}
RemoveLastComma(sb);
sb.Append("},");
}
public override List<AutoGeneratedField> CreateAutoGeneratedFields(object dataItem, Control control) {
if (!(control is DetailsView)) {
throw new ArgumentException(SR.GetString(SR.InvalidDefaultAutoFieldGenerator, GetType().FullName, typeof(DetailsView).FullName));
}
DetailsView detailsView = control as DetailsView;
if (dataItem == null) {
// note that we're not throwing an exception in this case, and the calling
// code should be able to handle a null arraylist being returned
return null;
}
List<AutoGeneratedField> generatedFields = new List<AutoGeneratedField>();
PropertyDescriptorCollection propDescs = null;
bool throwException = true;
Type dataItemType = null;
//The base class ensures that the AutoGeneratedFieldProperties collection is reset before this method is called.
//However we are doing this again in here because we have another caller DetailsView.CreateAutoGeneratedRows which is
//not being used anywhere today but kept for backward compatibility.
if (AutoGeneratedFieldProperties.Count > 0) {
AutoGeneratedFieldProperties.Clear();
}
if (dataItem != null)
dataItemType = dataItem.GetType();
if ((dataItem != null) && (dataItem is ICustomTypeDescriptor)) {
// Get the custom properties of the object
propDescs = TypeDescriptor.GetProperties(dataItem);
}
else if (dataItemType != null) {
// directly bindable types: strings, ints etc. get treated specially, since we
// don't care about their properties, but rather we care about them directly
if (ShouldGenerateField(dataItemType, detailsView)) {
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Name = "Item";
fieldProps.DataField = AutoGeneratedField.ThisExpression;
fieldProps.Type = dataItemType;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null) {
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
else {
// complex type... we get its properties
propDescs = TypeDescriptor.GetProperties(dataItemType);
}
}
if ((propDescs != null) && (propDescs.Count != 0)) {
string[] dataKeyNames = detailsView.DataKeyNames;
int keyNamesLength = dataKeyNames.Length;
string[] dataKeyNamesCaseInsensitive = new string[keyNamesLength];
for (int i = 0; i < keyNamesLength; i++) {
dataKeyNamesCaseInsensitive[i] = dataKeyNames[i].ToLowerInvariant();
}
foreach (PropertyDescriptor pd in propDescs) {
Type propertyType = pd.PropertyType;
if (ShouldGenerateField(propertyType, detailsView)) {
string name = pd.Name;
bool isKey = ((IList)dataKeyNamesCaseInsensitive).Contains(name.ToLowerInvariant());
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Name = name;
fieldProps.IsReadOnly = isKey;
fieldProps.Type = propertyType;
fieldProps.DataField = name;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null) {
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
}
}
if ((generatedFields.Count == 0) && throwException) {
// this handles the case where we got back something that either had no
// properties, or all properties were not bindable.
throw new InvalidOperationException(SR.GetString(SR.DetailsView_NoAutoGenFields, detailsView.ID));
}
return generatedFields;
}
protected virtual ICollection CreateAutoGeneratedRows(object dataItem)
{
if (dataItem == null)
{
return null;
}
ArrayList list = new ArrayList();
PropertyDescriptorCollection properties = null;
bool flag = true;
Type type = null;
this._autoGenFieldProps = new ArrayList();
if (dataItem != null)
{
type = dataItem.GetType();
}
if ((dataItem != null) && (dataItem is ICustomTypeDescriptor))
{
properties = TypeDescriptor.GetProperties(dataItem);
}
else if (type != null)
{
if (this.IsBindableType(type))
{
AutoGeneratedFieldProperties fieldProperties = new AutoGeneratedFieldProperties();
((IStateManager) fieldProperties).TrackViewState();
fieldProperties.Name = "Item";
fieldProperties.DataField = BoundField.ThisExpression;
fieldProperties.Type = type;
AutoGeneratedField field = this.CreateAutoGeneratedRow(fieldProperties);
if (field != null)
{
list.Add(field);
this._autoGenFieldProps.Add(fieldProperties);
}
}
else
{
properties = TypeDescriptor.GetProperties(type);
}
}
if ((properties != null) && (properties.Count != 0))
{
string[] dataKeyNamesInternal = this.DataKeyNamesInternal;
int length = dataKeyNamesInternal.Length;
string[] strArray2 = new string[length];
for (int i = 0; i < length; i++)
{
strArray2[i] = dataKeyNamesInternal[i].ToLowerInvariant();
}
foreach (PropertyDescriptor descriptor in properties)
{
Type propertyType = descriptor.PropertyType;
if (this.IsBindableType(propertyType))
{
string name = descriptor.Name;
bool flag2 = strArray2.Contains(name.ToLowerInvariant());
AutoGeneratedFieldProperties properties2 = new AutoGeneratedFieldProperties();
((IStateManager) properties2).TrackViewState();
properties2.Name = name;
properties2.IsReadOnly = flag2;
properties2.Type = propertyType;
properties2.DataField = name;
AutoGeneratedField field2 = this.CreateAutoGeneratedRow(properties2);
if (field2 != null)
{
list.Add(field2);
this._autoGenFieldProps.Add(properties2);
}
}
}
}
if ((list.Count == 0) && flag)
{
throw new HttpException(System.Web.SR.GetString("DetailsView_NoAutoGenFields", new object[] { this.ID }));
}
return list;
}
private object GetFieldValue(AutoGeneratedFieldProperties property, object obj, ModelField field, System.Data.DataRow dataRow, out bool notFound)
{
notFound = false;
if (field != null && field.ServerMapping.IsNotEmpty())
{
string[] mapping = field.ServerMapping.Split('.');
if (mapping.Length > 1)
{
for (int i = 0; i < mapping.Length; i++)
{
if (dataRow != null && dataRow.IsNull(mapping[i]))
{
return null;
}
PropertyInfo p = obj.GetType().GetProperty(mapping[i]);
if (p == null)
{
notFound = true;
return null;
}
obj = p.GetValue(obj, null);
if (obj == null)
{
return null;
}
}
return obj;
}
}
if (dataRow == null)
{
var prop = TypeDescriptor.GetProperties(obj).Find(property.DataField, true);
if (prop != null)
{
return prop.GetValue(obj);
}
}
else if(!dataRow.IsNull(property.DataField))
{
return dataRow[property.DataField];
}
notFound = true;
return null;
}
protected virtual new AutoGeneratedField CreateAutoGeneratedRow(AutoGeneratedFieldProperties fieldProperties)
{
Contract.Requires(fieldProperties != null);
return(default(AutoGeneratedField));
}
public AutoGeneratedField DoCreateAutoGeneratedRow (AutoGeneratedFieldProperties filedProperties)
{
return CreateAutoGeneratedRow (filedProperties);
}
public void GridView_CreateAutoGeneratedColumn ()
{
PokerGridView g = new PokerGridView ();
AutoGeneratedFieldProperties fp = new AutoGeneratedFieldProperties();
fp.Name = "testfield";
fp.Type = typeof (string);
AutoGeneratedField gf = g.DoCreateAutoGeneratedColumn (fp);
Assert.AreEqual (typeof (string), gf.DataType , "AutoGeneratedColumn#1");
Assert.AreEqual ("testfield", gf.HeaderText, "AutoGeneratedColumn#2");
Assert.AreEqual ("System.Web.UI.WebControls.AutoGeneratedField", gf.GetType ().ToString (), "AutoGeneratedColumn#3");
}
protected override void LoadViewState(object savedState)
{
if (savedState != null)
{
object[] objArray = (object[]) savedState;
base.LoadViewState(objArray[0]);
if (objArray[1] != null)
{
((IStateManager) this.PagerStyle).LoadViewState(objArray[1]);
}
if (objArray[2] != null)
{
((IStateManager) this.HeaderStyle).LoadViewState(objArray[2]);
}
if (objArray[3] != null)
{
((IStateManager) this.FooterStyle).LoadViewState(objArray[3]);
}
if (objArray[4] != null)
{
((IStateManager) this.RowStyle).LoadViewState(objArray[4]);
}
if (objArray[5] != null)
{
((IStateManager) this.AlternatingRowStyle).LoadViewState(objArray[5]);
}
if (objArray[6] != null)
{
((IStateManager) this.CommandRowStyle).LoadViewState(objArray[6]);
}
if (objArray[7] != null)
{
((IStateManager) this.EditRowStyle).LoadViewState(objArray[7]);
}
if (objArray[8] != null)
{
((IStateManager) this.InsertRowStyle).LoadViewState(objArray[8]);
}
if (objArray[9] != null)
{
((IStateManager) this.FieldHeaderStyle).LoadViewState(objArray[9]);
}
if (objArray[10] != null)
{
((IStateManager) this.Fields).LoadViewState(objArray[10]);
}
if (objArray[11] != null)
{
OrderedDictionaryStateHelper.LoadViewState((OrderedDictionary) this.BoundFieldValues, (ArrayList) objArray[11]);
}
if (objArray[12] != null)
{
((IStateManager) this.PagerSettings).LoadViewState(objArray[12]);
}
if (objArray[13] != null)
{
((IStateManager) base.ControlStyle).LoadViewState(objArray[13]);
}
if (objArray[14] != null)
{
object[] objArray2 = (object[]) objArray[14];
int length = objArray2.Length;
this._autoGenFieldProps = new ArrayList();
for (int i = 0; i < length; i++)
{
AutoGeneratedFieldProperties properties = new AutoGeneratedFieldProperties();
((IStateManager) properties).TrackViewState();
((IStateManager) properties).LoadViewState(objArray2[i]);
this._autoGenFieldProps.Add(properties);
}
}
}
else
{
base.LoadViewState(null);
}
}
AutoGeneratedFieldProperties[] CreateAutoFieldProperties (PagedDataSource source)
{
if(source == null) return null;
PropertyDescriptorCollection props = source.GetItemProperties (new PropertyDescriptor[0]);
Type prop_type;
ArrayList retVal = new ArrayList();
if (props == null)
{
object fitem = null;
prop_type = null;
PropertyInfo prop_item = source.DataSource.GetType().GetProperty("Item",
BindingFlags.Instance | BindingFlags.Static |
BindingFlags.Public, null, null,
new Type[] { typeof(int) }, null);
if (prop_item != null) {
prop_type = prop_item.PropertyType;
}
if (prop_type == null || prop_type == typeof(object)) {
IEnumerator en = source.GetEnumerator();
if (en != null && en.MoveNext ()) {
fitem = en.Current;
_dataEnumerator = en;
}
if (fitem != null)
prop_type = fitem.GetType();
}
if (fitem != null && fitem is ICustomTypeDescriptor) {
props = TypeDescriptor.GetProperties(fitem);
} else if (prop_type != null) {
if (IsBindableType (prop_type)) {
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties ();
((IStateManager)field).TrackViewState();
field.Name = "Item";
field.DataField = BoundField.ThisExpression;
field.Type = prop_type;
retVal.Add (field);
} else {
props = TypeDescriptor.GetProperties (prop_type);
}
}
}
if (props != null && props.Count > 0)
{
foreach (PropertyDescriptor current in props) {
if (IsBindableType (current.PropertyType)) {
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties ();
((IStateManager)field).TrackViewState();
field.Name = current.Name;
field.DataField = current.Name;
for (int i = 0; i < DataKeyNames.Length; i++) {
if (string.Compare (DataKeyNames [i], current.Name, StringComparison.InvariantCultureIgnoreCase) == 0) {
field.IsReadOnly = true;
break;
}
}
field.Type = current.PropertyType;
retVal.Add (field);
}
}
}
if (retVal.Count > 0)
return (AutoGeneratedFieldProperties[]) retVal.ToArray (typeof(AutoGeneratedFieldProperties));
else
return new AutoGeneratedFieldProperties [0];
}
public override List <AutoGeneratedField> CreateAutoGeneratedFields(object dataObject, Control control)
{
if (!(control is GridView))
{
throw new ArgumentException(SR.GetString(SR.InvalidDefaultAutoFieldGenerator, GetType().FullName, typeof(GridView).FullName));
}
Debug.Assert(dataObject == null || dataObject is PagedDataSource);
PagedDataSource dataSource = dataObject as PagedDataSource;
GridView gridView = control as GridView;
if (dataSource == null)
{
// note that we're not throwing an exception in this case, and the calling
// code should be able to handle a null arraylist being returned
return(null);
}
List <AutoGeneratedField> generatedFields = new List <AutoGeneratedField>();
PropertyDescriptorCollection propDescs = null;
bool throwException = true;
// try ITypedList first
// A PagedDataSource implements this, but returns null, if the underlying data source
// does not implement it.
propDescs = ((ITypedList)dataSource).GetItemProperties(new PropertyDescriptor[0]);
if (propDescs == null)
{
Type sampleItemType = null;
object sampleItem = null;
IEnumerable realDataSource = dataSource.DataSource;
Debug.Assert(realDataSource != null, "Must have a real data source when calling CreateAutoGeneratedColumns");
Type dataSourceType = realDataSource.GetType();
// try for a typed Row property, which should be present on strongly typed collections
PropertyInfo itemProp = dataSourceType.GetProperty("Item", BindingFlags.Public | BindingFlags.Instance, null, null, new Type[] { typeof(int) }, null);
if (itemProp != null)
{
sampleItemType = itemProp.PropertyType;
}
if ((sampleItemType == null) || (sampleItemType == typeof(object)))
{
// last resort... try to get ahold of the first item by beginning the
// enumeration
IEnumerator e = dataSource.GetEnumerator();
if (e.MoveNext())
{
sampleItem = e.Current;
}
else
{
// we don't want to throw an exception if we're bound to an IEnumerable
// data source with no records... we'll simply bail and not show any data
throwException = false;
}
if (sampleItem != null)
{
sampleItemType = sampleItem.GetType();
}
// We must store the enumerator regardless of whether we got back an item from it
// because we cannot start the enumeration again, in the case of a DataReader.
// Code in CreateChildControls must deal appropriately for the case where
// there is a stored enumerator, but a null object as the first item.
gridView.StoreEnumerator(e, sampleItem);
}
if ((sampleItem != null) && (sampleItem is ICustomTypeDescriptor))
{
// Get the custom properties of the object
propDescs = TypeDescriptor.GetProperties(sampleItem);
}
else if (sampleItemType != null)
{
// directly bindable types: strings, ints etc. get treated specially, since we
// don't care about their properties, but rather we care about them directly
if (ShouldGenerateField(sampleItemType, gridView))
{
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Type = sampleItemType;
fieldProps.Name = "Item";
fieldProps.DataField = AutoGeneratedField.ThisExpression;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null)
{
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
else
{
// complex type... we get its properties
propDescs = TypeDescriptor.GetProperties(sampleItemType);
}
}
}
else
{
if (propDescs.Count == 0)
{
// we don't want to throw an exception if we're bound to an ITypedList
// data source with no records... we'll simply bail and not show any data
throwException = false;
}
}
if ((propDescs != null) && (propDescs.Count != 0))
{
string[] dataKeyNames = gridView.DataKeyNames;
int keyNamesLength = dataKeyNames.Length;
string[] dataKeyNamesCaseInsensitive = new string[keyNamesLength];
for (int i = 0; i < keyNamesLength; i++)
{
dataKeyNamesCaseInsensitive[i] = dataKeyNames[i].ToLowerInvariant();
}
foreach (PropertyDescriptor pd in propDescs)
{
Type propertyType = pd.PropertyType;
if (ShouldGenerateField(propertyType, gridView))
{
string name = pd.Name;
bool isKey = ((IList)dataKeyNamesCaseInsensitive).Contains(name.ToLowerInvariant());
AutoGeneratedFieldProperties fieldProps = new AutoGeneratedFieldProperties();
((IStateManager)fieldProps).TrackViewState();
fieldProps.Name = name;
fieldProps.IsReadOnly = isKey;
fieldProps.Type = propertyType;
fieldProps.DataField = name;
AutoGeneratedField field = CreateAutoGeneratedFieldFromFieldProperties(fieldProps);
if (field != null)
{
generatedFields.Add(field);
AutoGeneratedFieldProperties.Add(fieldProps);
}
}
}
}
if ((generatedFields.Count == 0) && throwException)
{
// this handles the case where we got back something that either had no
// properties, or all properties were not bindable.
throw new InvalidOperationException(SR.GetString(SR.GridView_NoAutoGenFields, gridView.ID));
}
return(generatedFields);
}
private void BindRecord(AutoGeneratedFieldProperties[] autoFieldProperties, StringBuilder sb, object obj)
{
sb.Append("{");
System.Data.DataRow dataRow = obj as System.Data.DataRow;
foreach (AutoGeneratedFieldProperties property in autoFieldProperties)
{
FieldInModel field = this.IsInModel(property.DataField);
if (this.IgnoreExtraFields && !field.InModel)
{
continue;
}
if (field.Fields != null && field.Fields.Count > 0)
{
foreach (ModelField recordField in field.Fields)
{
bool notFound;
object value = this.GetFieldValue(property, obj, recordField, dataRow, out notFound);
if (notFound)
{
continue;
}
if (value != null && value.GetType().IsEnum && recordField.Type == ModelFieldType.Int)
{
value = Convert.ChangeType(value, ((Enum)value).GetTypeCode());
}
sb.AppendFormat("{0}:{1},", JSON.Serialize(string.IsNullOrEmpty(recordField.Mapping) ? recordField.Name : recordField.Mapping), JSON.Serialize(value, recordField.Type == ModelFieldType.Date && recordField.RenderMilliseconds ? JSON.DateMsConvertersInternal : JSON.ConvertersInternal));
}
}
else
{
if (dataRow == null)
{
var prop = TypeDescriptor.GetProperties(obj).Find(property.DataField, true);
if (prop != null)
{
sb.AppendFormat("{0}:{1},", JSON.Serialize(property.DataField), JSON.Serialize(prop.GetValue(obj)));
}
}
else if(!dataRow.IsNull(property.DataField))
{
sb.AppendFormat("{0}:{1},", JSON.Serialize(property.DataField), JSON.Serialize(dataRow[property.DataField]));
}
}
}
RemoveLastComma(sb);
sb.Append("},");
}
protected virtual new AutoGeneratedField CreateAutoGeneratedColumn(AutoGeneratedFieldProperties fieldProperties)
{
return default(AutoGeneratedField);
}
AutoGeneratedFieldProperties[] CreateAutoFieldProperties(IEnumerable source, IEnumerator en)
{
this.DSData = null;
this.SetJsonForBinding("");
if (source == null)
{
return null;
}
List<AutoGeneratedFieldProperties> retVal = new List<AutoGeneratedFieldProperties>();
if (source is DataTable)
{
var dt = (DataTable)source;
foreach (DataColumn c in dt.Columns)
{
if (this.IsBindableType(c.DataType) || this.IsComplexField(c.ColumnName))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties();
field.Name = c.ColumnName;
field.DataField = c.ColumnName;
retVal.Add(field);
}
}
return retVal.Count > 0 ? retVal.ToArray() : null;
}
ITypedList typed = source as ITypedList;
PropertyDescriptorCollection props = typed == null ? null : typed.GetItemProperties(new PropertyDescriptor[0]);
Type prop_type;
if (props == null)
{
object fitem = null;
prop_type = null;
PropertyInfo prop_item = source.GetType().GetProperty("Item",
BindingFlags.Instance | BindingFlags.Static |
BindingFlags.Public, null, null,
new Type[] { typeof(int) }, null);
if (prop_item != null)
{
prop_type = prop_item.PropertyType;
if (prop_type.IsInterface)
{
prop_type = null;
}
}
if (prop_type == null || prop_type == typeof(object))
{
if (en.MoveNext())
{
fitem = en.Current;
this.firstRecord = fitem;
}
if (fitem != null)
{
prop_type = fitem.GetType();
}
}
if (fitem != null && fitem is ICustomTypeDescriptor)
{
props = TypeDescriptor.GetProperties(fitem);
}
else if (prop_type != null)
{
if (IsBindableType(prop_type))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties();
((IStateManager)field).TrackViewState();
field.Name = "Item";
field.DataField = BoundField.ThisExpression;
field.Type = prop_type;
retVal.Add(field);
}
else
{
if (typeof(IEnumerable).IsAssignableFrom(prop_type))
{
this.DSData = source;
if (this.Reader.Primary == null)
{
this.Reader.Add(new ArrayReader());
}
else if (!(this.Reader.Primary is ArrayReader)){
throw new Exception(ServiceMessages.DEFINE_ARRAY_READER);
}
return null;
}
else
{
props = TypeDescriptor.GetProperties(prop_type);
}
}
}
}
if (props != null && props.Count > 0)
{
foreach (PropertyDescriptor current in props)
{
if (this.IsBindableType(current.PropertyType) || this.IsComplexField(current.Name))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties();
field.Name = current.Name;
field.DataField = current.Name;
retVal.Add(field);
}
}
}
return retVal.Count > 0 ? retVal.ToArray() : null;
}
protected virtual new AutoGeneratedField CreateAutoGeneratedColumn (AutoGeneratedFieldProperties fieldProperties)
{
Contract.Requires (fieldProperties != null);
return default(AutoGeneratedField);
}
public void DetailsView_CreateAutoGenerateRow ()
{
PokerDetailsView dv = new PokerDetailsView ();
AutoGeneratedFieldProperties prop = new AutoGeneratedFieldProperties ();
prop.Name = "FieldItem";
prop.Type = typeof(String);
AutoGeneratedField field = dv.DoCreateAutoGeneratedRow (prop);
Assert.AreEqual (typeof (string), field.DataType, "FieldDataType");
Assert.AreEqual ("FieldItem", field.HeaderText, "FieldHeaderText");
Assert.AreEqual ("FieldItem",field.SortExpression ,"FieldSortExpretion");
Assert.AreEqual (typeof(AutoGeneratedField), field.GetType (), "AutoGeneratedFieldType");
}
private ICollection CreateAutoGeneratedColumns(PagedDataSource dataSource)
{
if (dataSource == null)
{
return null;
}
ArrayList list = new ArrayList();
this._autoGenFieldProps = new ArrayList();
PropertyDescriptorCollection itemProperties = null;
bool flag = true;
itemProperties = dataSource.GetItemProperties(new PropertyDescriptor[0]);
if (itemProperties == null)
{
Type propertyType = null;
object firstDataRow = null;
PropertyInfo info = dataSource.DataSource.GetType().GetProperty("Item", BindingFlags.Public | BindingFlags.Instance, null, null, new Type[] { typeof(int) }, null);
if (info != null)
{
propertyType = info.PropertyType;
}
if ((propertyType == null) || (propertyType == typeof(object)))
{
IEnumerator enumerator = dataSource.GetEnumerator();
if (enumerator.MoveNext())
{
firstDataRow = enumerator.Current;
}
else
{
flag = false;
}
if (firstDataRow != null)
{
propertyType = firstDataRow.GetType();
}
this.StoreEnumerator(enumerator, firstDataRow);
}
if ((firstDataRow != null) && (firstDataRow is ICustomTypeDescriptor))
{
itemProperties = TypeDescriptor.GetProperties(firstDataRow);
}
else if (propertyType != null)
{
if (this.IsBindableType(propertyType))
{
AutoGeneratedFieldProperties fieldProperties = new AutoGeneratedFieldProperties();
((IStateManager) fieldProperties).TrackViewState();
fieldProperties.Type = propertyType;
fieldProperties.Name = "Item";
fieldProperties.DataField = BoundField.ThisExpression;
AutoGeneratedField field = this.CreateAutoGeneratedColumn(fieldProperties);
if (field != null)
{
list.Add(field);
this._autoGenFieldProps.Add(fieldProperties);
}
}
else
{
itemProperties = TypeDescriptor.GetProperties(propertyType);
}
}
}
else if (itemProperties.Count == 0)
{
flag = false;
}
if ((itemProperties != null) && (itemProperties.Count != 0))
{
string[] dataKeyNames = this.DataKeyNames;
int length = dataKeyNames.Length;
string[] strArray2 = new string[length];
for (int i = 0; i < length; i++)
{
strArray2[i] = dataKeyNames[i].ToLowerInvariant();
}
foreach (PropertyDescriptor descriptor in itemProperties)
{
Type type = descriptor.PropertyType;
if (this.IsBindableType(type))
{
string name = descriptor.Name;
bool flag2 = strArray2.Contains(name.ToLowerInvariant());
AutoGeneratedFieldProperties properties2 = new AutoGeneratedFieldProperties();
((IStateManager) properties2).TrackViewState();
properties2.Name = name;
properties2.IsReadOnly = flag2;
properties2.Type = type;
properties2.DataField = name;
AutoGeneratedField field2 = this.CreateAutoGeneratedColumn(properties2);
if (field2 != null)
{
list.Add(field2);
this._autoGenFieldProps.Add(properties2);
}
}
}
}
if ((list.Count == 0) && flag)
{
throw new HttpException(System.Web.SR.GetString("GridView_NoAutoGenFields", new object[] { this.ID }));
}
return list;
}