public virtual ProviderConnectionPointCollection GetProviderConnectionPoints(WebPart webPart)
{
if (webPart == null)
{
throw new ArgumentNullException("webPart");
}
return GetProviderConnectionPoints(webPart.ToControl().GetType());
}
private bool CanConnectWebPartsCore(WebPart provider, ProviderConnectionPoint providerConnectionPoint, WebPart consumer, ConsumerConnectionPoint consumerConnectionPoint, WebPartTransformer transformer, bool throwOnError)
{
if (!this.Personalization.IsModifiable)
{
if (!throwOnError)
{
return false;
}
this.Personalization.EnsureEnabled(true);
}
if (provider == null)
{
throw new ArgumentNullException("provider");
}
if (!this.Controls.Contains(provider))
{
throw new ArgumentException(System.Web.SR.GetString("UnknownWebPart"), "provider");
}
if (consumer == null)
{
throw new ArgumentNullException("consumer");
}
if (!this.Controls.Contains(consumer))
{
throw new ArgumentException(System.Web.SR.GetString("UnknownWebPart"), "consumer");
}
if (providerConnectionPoint == null)
{
throw new ArgumentNullException("providerConnectionPoint");
}
if (consumerConnectionPoint == null)
{
throw new ArgumentNullException("consumerConnectionPoint");
}
Control control = provider.ToControl();
Control control2 = consumer.ToControl();
if (providerConnectionPoint.ControlType != control.GetType())
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_InvalidConnectionPoint"), "providerConnectionPoint");
}
if (consumerConnectionPoint.ControlType != control2.GetType())
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_InvalidConnectionPoint"), "consumerConnectionPoint");
}
if (provider == consumer)
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartManager_CantConnectToSelf"));
}
return false;
}
if (provider.IsClosed)
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartManager_CantConnectClosed", new object[] { provider.ID }));
}
return false;
}
if (consumer.IsClosed)
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartManager_CantConnectClosed", new object[] { consumer.ID }));
}
return false;
}
if (!providerConnectionPoint.GetEnabled(control))
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_DisabledConnectionPoint", new object[] { providerConnectionPoint.ID, provider.ID }));
}
return false;
}
if (!consumerConnectionPoint.GetEnabled(control2))
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_DisabledConnectionPoint", new object[] { consumerConnectionPoint.ID, consumer.ID }));
}
return false;
}
if (!providerConnectionPoint.AllowsMultipleConnections)
{
foreach (WebPartConnection connection in this.Connections)
{
if ((connection.Provider == provider) && (connection.ProviderConnectionPoint == providerConnectionPoint))
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_Duplicate", new object[] { providerConnectionPoint.ID, provider.ID }));
}
return false;
}
}
}
if (!consumerConnectionPoint.AllowsMultipleConnections)
{
foreach (WebPartConnection connection2 in this.Connections)
{
if ((connection2.Consumer == consumer) && (connection2.ConsumerConnectionPoint == consumerConnectionPoint))
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_Duplicate", new object[] { consumerConnectionPoint.ID, consumer.ID }));
}
return false;
}
}
}
if (transformer == null)
{
if (providerConnectionPoint.InterfaceType != consumerConnectionPoint.InterfaceType)
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_NoCommonInterface", new string[] { providerConnectionPoint.DisplayName, provider.ID, consumerConnectionPoint.DisplayName, consumer.ID }));
}
return false;
}
ConnectionInterfaceCollection secondaryInterfaces = providerConnectionPoint.GetSecondaryInterfaces(control);
if (!consumerConnectionPoint.SupportsConnection(control2, secondaryInterfaces))
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_IncompatibleSecondaryInterfaces", new string[] { consumerConnectionPoint.DisplayName, consumer.ID, providerConnectionPoint.DisplayName, provider.ID }));
}
return false;
}
}
else
{
Type type = transformer.GetType();
if (!this.AvailableTransformers.Contains(type))
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_TransformerNotAvailable", new object[] { type.FullName }));
}
Type consumerType = WebPartTransformerAttribute.GetConsumerType(type);
Type providerType = WebPartTransformerAttribute.GetProviderType(type);
if (providerConnectionPoint.InterfaceType != consumerType)
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_IncompatibleProviderTransformer", new object[] { providerConnectionPoint.DisplayName, provider.ID, type.FullName }));
}
return false;
}
if (providerType != consumerConnectionPoint.InterfaceType)
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_IncompatibleConsumerTransformer", new object[] { type.FullName, consumerConnectionPoint.DisplayName, consumer.ID }));
}
return false;
}
if (!consumerConnectionPoint.SupportsConnection(control2, ConnectionInterfaceCollection.Empty))
{
if (throwOnError)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartConnection_ConsumerRequiresSecondaryInterfaces", new object[] { consumerConnectionPoint.DisplayName, consumer.ID }));
}
return false;
}
}
return true;
}
public virtual void ExportWebPart(WebPart webPart, XmlWriter writer)
{
if (webPart == null)
{
throw new ArgumentNullException("webPart");
}
if (!this.Controls.Contains(webPart))
{
throw new ArgumentException(System.Web.SR.GetString("UnknownWebPart"), "webPart");
}
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (webPart.ExportMode == WebPartExportMode.None)
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_PartNotExportable"), "webPart");
}
bool excludeSensitive = (webPart.ExportMode == WebPartExportMode.NonSensitiveData) && (this.Personalization.Scope != PersonalizationScope.Shared);
writer.WriteStartElement("webParts");
writer.WriteStartElement("webPart");
writer.WriteAttributeString("xmlns", "http://schemas.microsoft.com/WebPart/v3");
writer.WriteStartElement("metaData");
writer.WriteStartElement("type");
Control control = webPart.ToControl();
UserControl control2 = control as UserControl;
if (control2 != null)
{
writer.WriteAttributeString("src", control2.AppRelativeVirtualPath);
}
else
{
writer.WriteAttributeString("name", WebPartUtil.SerializeType(control.GetType()));
}
writer.WriteEndElement();
writer.WriteElementString("importErrorMessage", webPart.ImportErrorMessage);
writer.WriteEndElement();
writer.WriteStartElement("data");
IDictionary propBag = PersonalizableAttribute.GetPersonalizablePropertyValues(webPart, PersonalizationScope.Shared, excludeSensitive);
writer.WriteStartElement("properties");
if (webPart is GenericWebPart)
{
this.ExportIPersonalizable(writer, control, excludeSensitive);
IDictionary dictionary2 = PersonalizableAttribute.GetPersonalizablePropertyValues(control, PersonalizationScope.Shared, excludeSensitive);
this.ExportToWriter(dictionary2, writer);
writer.WriteEndElement();
writer.WriteStartElement("genericWebPartProperties");
this.ExportIPersonalizable(writer, webPart, excludeSensitive);
this.ExportToWriter(propBag, writer);
}
else
{
this.ExportIPersonalizable(writer, webPart, excludeSensitive);
this.ExportToWriter(propBag, writer);
}
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndElement();
}
private static ICollection GetEnabledConnectionPoints(ICollection connectionPoints, WebPart webPart)
{
Control control = webPart.ToControl();
ArrayList list = new ArrayList();
foreach (ConnectionPoint point in connectionPoints)
{
if (point.GetEnabled(control))
{
list.Add(point);
}
}
return list;
}
public virtual ProviderConnectionPointCollection GetProviderConnectionPoints(WebPart webPart) {
if (webPart == null) {
throw new ArgumentNullException("webPart");
}
// Do not check that Controls.Contains(webPart), since this may be called on a WebPart
// outside of a Zone. Also, this method shouldn't really care whether the WebPart is
// inside the WebPartManager.
return GetProviderConnectionPoints(webPart.ToControl().GetType());
}
public virtual WebPartConnection ConnectWebParts(WebPart provider, ProviderConnectionPoint providerConnectionPoint, WebPart consumer, ConsumerConnectionPoint consumerConnectionPoint, WebPartTransformer transformer)
{
this.CanConnectWebPartsCore(provider, providerConnectionPoint, consumer, consumerConnectionPoint, transformer, true);
if (this.DynamicConnections.IsReadOnly)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartManager_ConnectTooLate"));
}
WebPartConnectionsCancelEventArgs e = new WebPartConnectionsCancelEventArgs(provider, providerConnectionPoint, consumer, consumerConnectionPoint);
this.OnWebPartsConnecting(e);
if (this._allowEventCancellation && e.Cancel)
{
return null;
}
Control control = provider.ToControl();
Control control2 = consumer.ToControl();
WebPartConnection connection = new WebPartConnection {
ID = this.CreateDynamicConnectionID(),
ProviderID = control.ID,
ConsumerID = control2.ID,
ProviderConnectionPointID = providerConnectionPoint.ID,
ConsumerConnectionPointID = consumerConnectionPoint.ID
};
if (transformer != null)
{
this.Internals.SetTransformer(connection, transformer);
}
this.Internals.SetIsShared(connection, this.Personalization.Scope == PersonalizationScope.Shared);
this.Internals.SetIsStatic(connection, false);
this.DynamicConnections.Add(connection);
this._hasDataChanged = true;
this.OnWebPartsConnected(new WebPartConnectionsEventArgs(provider, providerConnectionPoint, consumer, consumerConnectionPoint, connection));
return connection;
}
public virtual void ExportWebPart(WebPart webPart, XmlWriter writer) {
// Personalization.EnsureEnabled(/* ensureModifiable */ false);
if (webPart == null) {
throw new ArgumentNullException("webPart");
}
if (!Controls.Contains(webPart)) {
throw new ArgumentException(SR.GetString(SR.UnknownWebPart), "webPart");
}
if (writer == null) {
throw new ArgumentNullException("writer");
}
if (webPart.ExportMode == WebPartExportMode.None) {
throw new ArgumentException(SR.GetString(SR.WebPartManager_PartNotExportable), "webPart");
}
bool excludeSensitive = (webPart.ExportMode == WebPartExportMode.NonSensitiveData &&
!(Personalization.Scope == PersonalizationScope.Shared));
// Write the root elements
writer.WriteStartElement(ExportRootElement);
writer.WriteStartElement(ExportPartElement);
writer.WriteAttributeString(ExportPartNamespaceAttribute, ExportPartNamespaceValue);
// Write metadata
writer.WriteStartElement(ExportMetaDataElement);
writer.WriteStartElement(ExportTypeElement);
Control control = webPart.ToControl();
UserControl userControl = control as UserControl;
if (userControl != null) {
writer.WriteAttributeString(ExportUserControlSrcAttribute, userControl.AppRelativeVirtualPath);
}
else {
writer.WriteAttributeString(ExportTypeNameAttribute, WebPartUtil.SerializeType(control.GetType()));
}
writer.WriteEndElement(); //type
writer.WriteElementString(ExportErrorMessageElement, webPart.ImportErrorMessage);
writer.WriteEndElement(); //metadata
// Write the data
writer.WriteStartElement(ExportDataElement);
// We get the personalization data for the current page personalization mode
IDictionary propBag = PersonalizableAttribute.GetPersonalizablePropertyValues(webPart, PersonalizationScope.Shared, excludeSensitive);
writer.WriteStartElement(ExportPropertiesElement);
// Special case GenericWebPart
GenericWebPart genericWebPart = webPart as GenericWebPart;
if (genericWebPart != null) {
// Export IPersonalizable user control data first
ExportIPersonalizable(writer, control, excludeSensitive);
IDictionary controlData = PersonalizableAttribute.GetPersonalizablePropertyValues(control,
PersonalizationScope.Shared,
excludeSensitive);
ExportToWriter(controlData, writer);
writer.WriteEndElement(); //properties
writer.WriteStartElement(ExportGenericPartPropertiesElement);
// Export IPersonalizable part data first
ExportIPersonalizable(writer, webPart, excludeSensitive);
ExportToWriter(propBag, writer);
}
else {
// Export IPersonalizable part data first
ExportIPersonalizable(writer, webPart, excludeSensitive);
ExportToWriter(propBag, writer);
}
writer.WriteEndElement(); //properties or genericWebPartProperties
writer.WriteEndElement(); //data
writer.WriteEndElement(); //webpart
writer.WriteEndElement(); //webparts
}
public virtual WebPartConnection ConnectWebParts(WebPart provider, ProviderConnectionPoint providerConnectionPoint,
WebPart consumer, ConsumerConnectionPoint consumerConnectionPoint,
WebPartTransformer transformer) {
CanConnectWebPartsCore(provider, providerConnectionPoint, consumer, consumerConnectionPoint,
transformer, /*throwOnError*/ true);
if (DynamicConnections.IsReadOnly) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManager_ConnectTooLate));
}
WebPartConnectionsCancelEventArgs ce = new WebPartConnectionsCancelEventArgs(
provider, providerConnectionPoint, consumer, consumerConnectionPoint);
OnWebPartsConnecting(ce);
if (_allowEventCancellation && ce.Cancel) {
return null;
}
Control providerControl = provider.ToControl();
Control consumerControl = consumer.ToControl();
WebPartConnection connection = new WebPartConnection();
connection.ID = CreateDynamicConnectionID();
connection.ProviderID = providerControl.ID;
connection.ConsumerID = consumerControl.ID;
connection.ProviderConnectionPointID = providerConnectionPoint.ID;
connection.ConsumerConnectionPointID = consumerConnectionPoint.ID;
if (transformer != null) {
Internals.SetTransformer(connection, transformer);
}
Internals.SetIsShared(connection, Personalization.Scope == PersonalizationScope.Shared);
Internals.SetIsStatic(connection, false);
DynamicConnections.Add(connection);
_hasDataChanged = true;
OnWebPartsConnected(new WebPartConnectionsEventArgs(provider, providerConnectionPoint,
consumer, consumerConnectionPoint, connection));
return connection;
}
private bool CanConnectWebPartsCore(WebPart provider, ProviderConnectionPoint providerConnectionPoint,
WebPart consumer, ConsumerConnectionPoint consumerConnectionPoint,
WebPartTransformer transformer, bool throwOnError) {
if (!Personalization.IsModifiable) {
if (throwOnError) {
// Will throw appropriate exception
Personalization.EnsureEnabled(/* ensureModifiable */ true);
}
else {
return false;
}
}
if (provider == null) {
throw new ArgumentNullException("provider");
}
if (!Controls.Contains(provider)) {
throw new ArgumentException(SR.GetString(SR.UnknownWebPart), "provider");
}
if (consumer == null) {
throw new ArgumentNullException("consumer");
}
if (!Controls.Contains(consumer)) {
throw new ArgumentException(SR.GetString(SR.UnknownWebPart), "consumer");
}
if (providerConnectionPoint == null) {
throw new ArgumentNullException("providerConnectionPoint");
}
if (consumerConnectionPoint == null) {
throw new ArgumentNullException("consumerConnectionPoint");
}
Control providerControl = provider.ToControl();
Control consumerControl = consumer.ToControl();
if (providerConnectionPoint.ControlType != providerControl.GetType()) {
throw new ArgumentException(SR.GetString(SR.WebPartManager_InvalidConnectionPoint), "providerConnectionPoint");
}
if (consumerConnectionPoint.ControlType != consumerControl.GetType()) {
throw new ArgumentException(SR.GetString(SR.WebPartManager_InvalidConnectionPoint), "consumerConnectionPoint");
}
if (provider == consumer) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManager_CantConnectToSelf));
}
else {
return false;
}
}
if (provider.IsClosed) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManager_CantConnectClosed, provider.ID));
}
else {
return false;
}
}
if (consumer.IsClosed) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManager_CantConnectClosed, consumer.ID));
}
else {
return false;
}
}
if (!providerConnectionPoint.GetEnabled(providerControl)) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_DisabledConnectionPoint, providerConnectionPoint.ID, provider.ID));
}
else {
return false;
}
}
if (!consumerConnectionPoint.GetEnabled(consumerControl)) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_DisabledConnectionPoint, consumerConnectionPoint.ID, consumer.ID));
}
else {
return false;
}
}
// Check AllowsMultipleConnections on each ConnectionPoint
if (!providerConnectionPoint.AllowsMultipleConnections) {
foreach (WebPartConnection c in Connections) {
if (c.Provider == provider && c.ProviderConnectionPoint == providerConnectionPoint) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_Duplicate, providerConnectionPoint.ID, provider.ID));
}
else {
return false;
}
}
}
}
if (!consumerConnectionPoint.AllowsMultipleConnections) {
foreach (WebPartConnection c in Connections) {
if (c.Consumer == consumer && c.ConsumerConnectionPoint == consumerConnectionPoint) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_Duplicate, consumerConnectionPoint.ID, consumer.ID));
}
else {
return false;
}
}
}
}
if (transformer == null) {
if (providerConnectionPoint.InterfaceType != consumerConnectionPoint.InterfaceType) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_NoCommonInterface,
new string[] {providerConnectionPoint.DisplayName, provider.ID,
consumerConnectionPoint.DisplayName, consumer.ID}));
}
else {
return false;
}
}
ConnectionInterfaceCollection secondaryInterfaces = providerConnectionPoint.GetSecondaryInterfaces(providerControl);
if (!consumerConnectionPoint.SupportsConnection(consumerControl, secondaryInterfaces)) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_IncompatibleSecondaryInterfaces, new string[] {
consumerConnectionPoint.DisplayName, consumer.ID,
providerConnectionPoint.DisplayName, provider.ID}));
}
else {
return false;
}
}
}
else {
Type transformerType = transformer.GetType();
if (!AvailableTransformers.Contains(transformerType)) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_TransformerNotAvailable, transformerType.FullName));
}
// Check matching interfaces on connection points and transformer attribute.
// Note that we require the connection interfaces to match exactly. We do not match
// a derived interface type. This is because we want to simplify the interface matching
// algorithm when transformers are involved. If we allowed derived interfaces to match,
// then we would to take into account the "closest" match if multiple transformers
// have compatible interfaces.
Type transformerConsumerType = WebPartTransformerAttribute.GetConsumerType(transformerType);
Type transformerProviderType = WebPartTransformerAttribute.GetProviderType(transformerType);
if (providerConnectionPoint.InterfaceType != transformerConsumerType) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_IncompatibleProviderTransformer,
providerConnectionPoint.DisplayName, provider.ID, transformerType.FullName));
}
else {
return false;
}
}
if (transformerProviderType != consumerConnectionPoint.InterfaceType) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_IncompatibleConsumerTransformer,
transformerType.FullName, consumerConnectionPoint.DisplayName, consumer.ID));
}
else {
return false;
}
}
// A transformer never provides any secondary interfaces
if (!consumerConnectionPoint.SupportsConnection(consumerControl, ConnectionInterfaceCollection.Empty)) {
if (throwOnError) {
throw new InvalidOperationException(SR.GetString(SR.WebPartConnection_ConsumerRequiresSecondaryInterfaces,
consumerConnectionPoint.DisplayName, consumer.ID));
}
else {
return false;
}
}
}
return true;
}
internal void Activate()
{
this.Transformers.SetReadOnly();
WebPart provider = this.Provider;
WebPart consumer = this.Consumer;
Control control = provider.ToControl();
Control control2 = consumer.ToControl();
System.Web.UI.WebControls.WebParts.ProviderConnectionPoint providerConnectionPoint = this.ProviderConnectionPoint;
if (!providerConnectionPoint.GetEnabled(control))
{
consumer.SetConnectErrorMessage(System.Web.SR.GetString("WebPartConnection_DisabledConnectionPoint", new object[] { providerConnectionPoint.DisplayName, provider.DisplayTitle }));
}
else
{
System.Web.UI.WebControls.WebParts.ConsumerConnectionPoint consumerConnectionPoint = this.ConsumerConnectionPoint;
if (!consumerConnectionPoint.GetEnabled(control2))
{
consumer.SetConnectErrorMessage(System.Web.SR.GetString("WebPartConnection_DisabledConnectionPoint", new object[] { consumerConnectionPoint.DisplayName, consumer.DisplayTitle }));
}
else if (!provider.IsClosed && !consumer.IsClosed)
{
WebPartTransformer transformer = this.Transformer;
if (transformer == null)
{
if (providerConnectionPoint.InterfaceType == consumerConnectionPoint.InterfaceType)
{
ConnectionInterfaceCollection secondaryInterfaces = providerConnectionPoint.GetSecondaryInterfaces(control);
if (consumerConnectionPoint.SupportsConnection(control2, secondaryInterfaces))
{
object data = providerConnectionPoint.GetObject(control);
consumerConnectionPoint.SetObject(control2, data);
this._isActive = true;
}
else
{
consumer.SetConnectErrorMessage(System.Web.SR.GetString("WebPartConnection_IncompatibleSecondaryInterfaces", new string[] { consumerConnectionPoint.DisplayName, consumer.DisplayTitle, providerConnectionPoint.DisplayName, provider.DisplayTitle }));
}
}
else
{
consumer.SetConnectErrorMessage(System.Web.SR.GetString("WebPartConnection_NoCommonInterface", new string[] { providerConnectionPoint.DisplayName, provider.DisplayTitle, consumerConnectionPoint.DisplayName, consumer.DisplayTitle }));
}
}
else
{
Type type = transformer.GetType();
if (!this._webPartManager.AvailableTransformers.Contains(type))
{
string str;
if ((this._webPartManager.Context != null) && this._webPartManager.Context.IsCustomErrorEnabled)
{
str = System.Web.SR.GetString("WebPartConnection_TransformerNotAvailable");
}
else
{
str = System.Web.SR.GetString("WebPartConnection_TransformerNotAvailableWithType", new object[] { type.FullName });
}
consumer.SetConnectErrorMessage(str);
}
Type consumerType = WebPartTransformerAttribute.GetConsumerType(type);
Type providerType = WebPartTransformerAttribute.GetProviderType(type);
if ((providerConnectionPoint.InterfaceType == consumerType) && (providerType == consumerConnectionPoint.InterfaceType))
{
if (consumerConnectionPoint.SupportsConnection(control2, ConnectionInterfaceCollection.Empty))
{
object providerData = providerConnectionPoint.GetObject(control);
object obj4 = transformer.Transform(providerData);
consumerConnectionPoint.SetObject(control2, obj4);
this._isActive = true;
}
else
{
consumer.SetConnectErrorMessage(System.Web.SR.GetString("WebPartConnection_ConsumerRequiresSecondaryInterfaces", new object[] { consumerConnectionPoint.DisplayName, consumer.DisplayTitle }));
}
}
else if (providerConnectionPoint.InterfaceType != consumerType)
{
string str2;
if ((this._webPartManager.Context != null) && this._webPartManager.Context.IsCustomErrorEnabled)
{
str2 = System.Web.SR.GetString("WebPartConnection_IncompatibleProviderTransformer", new object[] { providerConnectionPoint.DisplayName, provider.DisplayTitle });
}
else
{
str2 = System.Web.SR.GetString("WebPartConnection_IncompatibleProviderTransformerWithType", new object[] { providerConnectionPoint.DisplayName, provider.DisplayTitle, type.FullName });
}
consumer.SetConnectErrorMessage(str2);
}
else
{
string str3;
if ((this._webPartManager.Context != null) && this._webPartManager.Context.IsCustomErrorEnabled)
{
str3 = System.Web.SR.GetString("WebPartConnection_IncompatibleConsumerTransformer", new object[] { consumerConnectionPoint.DisplayName, consumer.DisplayTitle });
}
else
{
str3 = System.Web.SR.GetString("WebPartConnection_IncompatibleConsumerTransformerWithType", new object[] { type.FullName, consumerConnectionPoint.DisplayName, consumer.DisplayTitle });
}
consumer.SetConnectErrorMessage(str3);
}
}
}
}
}
internal void Activate()
{
// This method should only be called on WebPartConnections in the WebPartManager, so
// _webPartManager should never be null.
Debug.Assert(_webPartManager != null);
Transformers.SetReadOnly();
WebPart providerWebPart = Provider;
// Cannot be null because Activate() is only called on valid Connections
Debug.Assert(providerWebPart != null);
WebPart consumerWebPart = Consumer;
// Cannot be null because Activate() is only called on valid Connections
Debug.Assert(consumerWebPart != null);
Control providerControl = providerWebPart.ToControl();
Control consumerControl = consumerWebPart.ToControl();
ProviderConnectionPoint providerConnectionPoint = ProviderConnectionPoint;
// Cannot be null because Activate() is only called on valid Connections
Debug.Assert(providerConnectionPoint != null);
if (!providerConnectionPoint.GetEnabled(providerControl))
{
consumerWebPart.SetConnectErrorMessage(SR.GetString(SR.WebPartConnection_DisabledConnectionPoint, providerConnectionPoint.DisplayName, providerWebPart.DisplayTitle));
return;
}
ConsumerConnectionPoint consumerConnectionPoint = ConsumerConnectionPoint;
// Cannot be null because Activate() is only called on valid Connections
Debug.Assert(consumerConnectionPoint != null);
if (!consumerConnectionPoint.GetEnabled(consumerControl))
{
consumerWebPart.SetConnectErrorMessage(SR.GetString(SR.WebPartConnection_DisabledConnectionPoint, consumerConnectionPoint.DisplayName, consumerWebPart.DisplayTitle));
return;
}
// Do not activate connections involving closed WebParts
if (!providerWebPart.IsClosed && !consumerWebPart.IsClosed)
{
WebPartTransformer transformer = Transformer;
if (transformer == null)
{
if (providerConnectionPoint.InterfaceType == consumerConnectionPoint.InterfaceType)
{
ConnectionInterfaceCollection secondaryInterfaces = providerConnectionPoint.GetSecondaryInterfaces(providerControl);
if (consumerConnectionPoint.SupportsConnection(consumerControl, secondaryInterfaces))
{
object dataObject = providerConnectionPoint.GetObject(providerControl);
consumerConnectionPoint.SetObject(consumerControl, dataObject);
_isActive = true;
}
else
{
consumerWebPart.SetConnectErrorMessage(SR.GetString(SR.WebPartConnection_IncompatibleSecondaryInterfaces, new string[] {
consumerConnectionPoint.DisplayName, consumerWebPart.DisplayTitle,
providerConnectionPoint.DisplayName, providerWebPart.DisplayTitle
}));
}
}
else
{
consumerWebPart.SetConnectErrorMessage(SR.GetString(SR.WebPartConnection_NoCommonInterface, new string[] {
providerConnectionPoint.DisplayName, providerWebPart.DisplayTitle,
consumerConnectionPoint.DisplayName, consumerWebPart.DisplayTitle
}));
}
}
else
{
Type transformerType = transformer.GetType();
if (!_webPartManager.AvailableTransformers.Contains(transformerType))
{
string errorMessage;
if (_webPartManager.Context != null && _webPartManager.Context.IsCustomErrorEnabled)
{
errorMessage = SR.GetString(SR.WebPartConnection_TransformerNotAvailable);
}
else
{
errorMessage = SR.GetString(SR.WebPartConnection_TransformerNotAvailableWithType, transformerType.FullName);
}
consumerWebPart.SetConnectErrorMessage(errorMessage);
//
}
// Check matching interfaces on connection points and transformer attribute
Type transformerConsumerType = WebPartTransformerAttribute.GetConsumerType(transformerType);
Type transformerProviderType = WebPartTransformerAttribute.GetProviderType(transformerType);
if (providerConnectionPoint.InterfaceType == transformerConsumerType &&
transformerProviderType == consumerConnectionPoint.InterfaceType)
{
// A transformer never provides any secondary interfaces
if (consumerConnectionPoint.SupportsConnection(consumerControl, ConnectionInterfaceCollection.Empty))
{
object dataObject = providerConnectionPoint.GetObject(providerControl);
object transformedObject = transformer.Transform(dataObject);
consumerConnectionPoint.SetObject(consumerControl, transformedObject);
_isActive = true;
}
else
{
consumerWebPart.SetConnectErrorMessage(SR.GetString(SR.WebPartConnection_ConsumerRequiresSecondaryInterfaces,
consumerConnectionPoint.DisplayName, consumerWebPart.DisplayTitle));
}
}
else if (providerConnectionPoint.InterfaceType != transformerConsumerType)
{
string errorMessage;
if (_webPartManager.Context != null && _webPartManager.Context.IsCustomErrorEnabled)
{
errorMessage = SR.GetString(SR.WebPartConnection_IncompatibleProviderTransformer,
providerConnectionPoint.DisplayName, providerWebPart.DisplayTitle);
}
else
{
errorMessage = SR.GetString(SR.WebPartConnection_IncompatibleProviderTransformerWithType,
providerConnectionPoint.DisplayName, providerWebPart.DisplayTitle, transformerType.FullName);
}
consumerWebPart.SetConnectErrorMessage(errorMessage);
}
else
{
string errorMessage;
if (_webPartManager.Context != null && _webPartManager.Context.IsCustomErrorEnabled)
{
errorMessage = SR.GetString(SR.WebPartConnection_IncompatibleConsumerTransformer,
consumerConnectionPoint.DisplayName, consumerWebPart.DisplayTitle);
}
else
{
errorMessage = SR.GetString(SR.WebPartConnection_IncompatibleConsumerTransformerWithType,
transformerType.FullName, consumerConnectionPoint.DisplayName, consumerWebPart.DisplayTitle);
}
consumerWebPart.SetConnectErrorMessage(errorMessage);
}
}
}
}