public void Execute(INode sender, EventParams paramsValue)
{
if (GetEnabled())
{
ILayoutDisableable layoutDisableable = (ILayoutDisableable)FindParent(typeof(ILayoutDisableable));
if (layoutDisableable != null)
{
layoutDisableable.DisableLayout();
}
try
{
if (DoBeforeExecute(sender, paramsValue))
{
FinishExecute(sender, paramsValue);
}
}
finally
{
if (layoutDisableable != null)
{
layoutDisableable.EnableLayout();
}
}
}
}
protected void DoCompleted(EventParams paramsValue)
{
if (OnCompleted != null)
{
OnCompleted(this, paramsValue);
}
}
/// <remarks> Creates and sends a ViewActionEvent. </remarks>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
if (Source != null)
{
Source.HandleEvent(new ViewActionEvent(_action));
}
}
private void DoAfterExecute(EventParams paramsValue)
{
if (_afterExecute != null)
{
_afterExecute.Execute(this, paramsValue);
}
}
protected internal void PerformDefault(DataLink link, EventParams paramsValue)
{
if (_enabled && link.Active)
{
InternalPerformDefault(link, _targetColumns.Split(';', ','), paramsValue);
}
}
/// <summary> Calls the other action. </summary>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
if (_action != null)
{
_action.Execute(this, paramsValue);
}
}
/// <summary> Executes each child action sequentially. </summary>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
// Don't use a foreach here to avoid the possibility that the action changes the form and throws the enumerator changed error
for (int count = 0; count < (Children != null ? Children.Count : 0); count++)
{
((IAction)Children[count]).Execute(this, paramsValue);
}
}
private void BeforeExecuteCompleted(INode sender, EventParams paramsValue)
{
IBlockable blockable = _beforeExecute as IBlockable;
if (blockable != null)
{
blockable.OnCompleted -= new NodeEventHandler(BeforeExecuteCompleted);
}
FinishExecute(sender, paramsValue);
}
/// <summary> Executes the IAction child conditionally. </summary>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
foreach (Node localNode in Children)
{
if (localNode is IAction && EvaluateCondition())
{
((IAction)localNode).Execute(this, paramsValue);
}
}
}
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
if (_document != String.Empty)
{
_params = paramsValue;
if ((_mode == FormMode.Delete) && !ConfirmDelete)
{
SourceLink.Source.DataView.Delete();
}
else
{
_mainSourceParams = paramsValue["AParams"] as DataParams;
try
{
IFormInterface form = HostNode.Session.LoadForm(this, _document, new FormInterfaceHandler(InternalBeforeActivateForm));
try
{
form.OnClosed += new EventHandler(OnClosedHandler);
form.TopMost = TopMost;
InternalAfterActivateForm(form);
bool forceAcceptReject = (_onFormAccepted != null) || (_onFormRejected != null) || (OnFormAcceptedEvent != null) || (OnFormRejectedEvent != null);
if ((_mode != FormMode.None) || (SourceLinkType != SourceLinkType.None) || forceAcceptReject)
{
if (forceAcceptReject)
{
form.ForceAcceptReject = true;
}
form.Show
(
(IFormInterface)FindParent(typeof(IFormInterface)),
new FormInterfaceHandler(FormAccepted),
new FormInterfaceHandler(FormRejected),
_mode
);
}
else
{
form.Show(_mode);
}
}
catch
{
form.Dispose();
throw;
}
}
finally
{
_mainSourceParams = null;
}
}
}
}
// Action
/// <remarks> Sets the next request property of the hostnode.</remarks>
/// <seealso cref="IHost.NextRequest"/>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
Request request = HostNode.NextRequest;
if (request == null)
{
HostNode.NextRequest = new Request(Document);
}
else
{
request.Document = Document;
}
}
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
var form = paramsValue["AForm"] as IFormInterface;
if (form != null && form.MainSource != null && form.MainSource.Active && form.MainSource.DataView != null && form.MainSource.DataView.Active)
{
var localParamsValue = new Alphora.Dataphor.DAE.Runtime.DataParams();
foreach (DataField field in form.MainSource.DataView.Fields)
{
localParamsValue.Add(new DAE.Runtime.DataParam(field.Name, field.DataType, DAE.Language.Modifier.Out, field.AsNative));
}
BaseArgument.ApplyArguments(this, localParamsValue);
}
}
/// <summary> Sets the target member to value. </summary>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
string value;
if (_source == null)
{
value = _value;
}
else
{
value = _source.DataView.Fields[_columnName].AsString;
}
ReflectionUtility.SetInstanceMember(_node, _memberName, value);
}
/// <summary>
/// Executes the given action, hooking the OnCompleted if it is a Blockable action.
/// </summary>
/// <param name="action"></param>
protected void BlockableExecute(IAction action, EventParams paramsValue)
{
IBlockable blockable = action as IBlockable;
if (blockable != null)
{
blockable.OnCompleted += new NodeEventHandler(BlockableCompleted);
blockable.Disposed += new EventHandler(BlockableDisposed);
}
action.Execute(this, paramsValue);
if (blockable == null)
{
DoCompleted(paramsValue);
}
}
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
EnsureModuleHostDisposed();
_moduleHost = HostNode.Session.CreateHost();
try
{
_moduleHost.Load(ModuleExpression, null);
_moduleHost.Open();
((IAction)_moduleHost.FindNode(_actionName)).Execute(this, paramsValue);
}
catch
{
EnsureModuleHostDisposed();
throw;
}
}
/// <summary>
/// Returns true if the before execute action is not a Blockable node, meaning that the FinishExecute should be called immediately.
/// </summary>
/// <param name="paramsValue"></param>
/// <returns></returns>
private bool DoBeforeExecute(INode sender, EventParams paramsValue)
{
if (_beforeExecute != null)
{
IBlockable blockable = _beforeExecute as IBlockable;
if (blockable != null)
{
blockable.OnCompleted += new NodeEventHandler(BeforeExecuteCompleted);
}
_beforeExecute.Execute(this, paramsValue);
// return true to indicate the FinishExecute should be called immediately
// return false to indicate the FinishExecute should be called on the ExecuteCompleted of the BeforeExecute action
return(blockable == null);
}
return(true);
}
protected virtual void OnClosedHandler(object sender, EventArgs e)
{
if (_onFormClose != null)
{
_onFormClose.Execute(this, new EventParams("AForm", sender));
}
// Disable the source(s) first before disestablishing the link
((IFormInterface)sender).BroadcastEvent(new DisableSourceEvent());
if (_sourceLink != null)
{
_sourceLink.TargetSource = null;
}
DoCompleted(_params);
_params = null;
}
/// <remarks> Performs the search. </remarks>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
if ((Source != null) && (Source.DataView != null))
{
DAE.Schema.Order saveOrder = null;
if ((Source.Order == null) || (Source.Order.Columns.Count != 1) || (Source.Order.Columns[0].Column.Name != _columnName))
{
saveOrder = Source.Order;
Source.OrderString = String.Format("order {{ {0} }}", _columnName);
}
try
{
DAE.Schema.RowType rowType = new DAE.Schema.RowType();
rowType.Columns.Add(new DAE.Schema.Column(_columnName, (Source.DataView.TableType.Columns[_columnName]).DataType));
using (DAE.Runtime.Data.Row row = new DAE.Runtime.Data.Row(Source.DataView.Process.ValueManager, rowType))
{
((DAE.Runtime.Data.Scalar)row.GetValue(_columnName)).AsString = _value;
if (Mode == FindActionMode.Nearest)
{
Source.DataView.FindNearest(row);
}
else
{
bool found = Source.DataView.FindKey(row);
if (!found && (Mode == FindActionMode.ExactOnly))
{
throw new ClientException(ClientException.Codes.ValueNotFound, _value);
}
}
}
}
finally
{
if (saveOrder != null)
{
Source.Order = saveOrder;
}
}
}
}
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
if (HasScript())
{
Assembly assembly = GetCompiledAssembly();
ScriptBase script = CreateScript(assembly);
try
{
SetNodeReferences(script);
script.Execute(sender, paramsValue);
}
catch (AbortException)
{
throw;
}
catch (Exception exception)
{
throw new ClientException(ClientException.Codes.ScriptExecutionError, exception, Name);
}
}
}
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
var localParamsValue = new Alphora.Dataphor.DAE.Runtime.DataParams();
var process = HostNode.Session.DataSession.UtilityProcess;
foreach (KeyValuePair <string, object> entry in paramsValue)
{
localParamsValue.Add
(
new Alphora.Dataphor.DAE.Runtime.DataParam
(
entry.Key,
// If null, arbitrarily use string
entry.Value == null
? process.DataTypes.SystemString
: Alphora.Dataphor.DAE.Client.DataSession.ScalarTypeFromNativeType(process, entry.Value.GetType()),
DAE.Language.Modifier.Out,
entry.Value
)
);
}
BaseArgument.ApplyArguments(this, localParamsValue);
}
private void BlockableCompleted(INode sender, EventParams paramsValue)
{
DetachBlockable(sender as IBlockable);
DoCompleted(paramsValue);
}
// Action
/// <remarks> Clears the next request property of the hostnode. </remarks>
/// <seealso cref="IHost.NextRequest"/>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
HostNode.NextRequest = null;
}
// Action
/// <summary> Runs script on the local server. </summary>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
DAE.Runtime.DataParams localParamsValue = BaseArgument.CollectArguments(this);
if (_script != String.Empty)
{
Guid enlistWithATID = Guid.Empty;
if ((_enlistWith != null) && (_enlistWith.DataView != null) && _enlistWith.DataView.Active && (_enlistWith.DataView.ApplicationTransactionServer != null))
{
enlistWithATID = _enlistWith.DataView.ApplicationTransactionServer.ApplicationTransactionID;
}
DAE.IServerProcess process = HostNode.Session.DataSession.ServerSession.StartProcess(new DAE.ProcessInfo(HostNode.Session.DataSession.ServerSession.SessionInfo));
try
{
if (enlistWithATID != Guid.Empty)
{
process.JoinApplicationTransaction(enlistWithATID, false);
}
ErrorList errors = new ErrorList();
DAE.IServerScript script = process.PrepareScript(_script);
try
{
foreach (DAE.IServerBatch batch in script.Batches)
{
if (batch.IsExpression())
{
DAE.IServerExpressionPlan plan = batch.PrepareExpression(localParamsValue);
try
{
errors.AddRange(plan.Messages);
if (plan.DataType is DAE.Schema.TableType)
{
plan.Close(plan.Open(localParamsValue));
}
else
{
plan.Evaluate(localParamsValue).Dispose();
}
}
finally
{
batch.UnprepareExpression(plan);
}
}
else
{
DAE.IServerStatementPlan plan = batch.PrepareStatement(localParamsValue);
try
{
errors.AddRange(plan.Messages);
plan.Execute(localParamsValue);
}
finally
{
batch.UnprepareStatement(plan);
}
}
}
}
finally
{
process.UnprepareScript(script);
}
HostNode.Session.ReportErrors(HostNode, errors);
}
finally
{
HostNode.Session.DataSession.ServerSession.StopProcess(process);
}
BaseArgument.ApplyArguments(this, localParamsValue);
}
}
protected override void InternalPerformDefault(DataLink link, string[] targetColumns, EventParams paramsValue)
{
var sourceColumns = _sourceColumns.Split(',', ';');
for (int i = 0; i < Math.Min(sourceColumns.Length, targetColumns.Length); i++)
{
var sourceField = _source[sourceColumns[i].Trim()];
var targetField = link.DataSet[targetColumns[i].Trim()];
if (sourceField.HasValue())
{
targetField.AsNative = sourceField.AsNative;
}
else
{
targetField.ClearValue();
}
}
}
protected abstract void InternalPerformDefault(DataLink link, string[] targetColumns, EventParams paramsValue);
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
LookupUtility.DoLookup(this, new FormInterfaceHandler(LookupFormAccept), new FormInterfaceHandler(LookupFormReject), null);
}
protected override void InternalExecute(Alphora.Dataphor.Frontend.Client.INode sender, Alphora.Dataphor.Frontend.Client.EventParams paramsValue)
{
((Web.Session)HostNode.Session).OnBeforeRenderBody += new RenderHandler(SessionBeforeRender);
}
protected abstract void InternalExecute(INode sender, EventParams paramsValue);
private void FinishExecute(INode sender, EventParams paramsValue)
{
InternalExecute(sender, paramsValue);
DoAfterExecute(paramsValue);
}
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
HostNode.Session.InvokeHelp((sender == null ? this : sender), _helpKeyword, _helpKeywordBehavior, _helpString);
}
