void IPlugIn.PreProcessPageRequest(PageRequest request, ViewPage page)
{
XPathNavigator view = _config.SelectSingleNode("//c:view[@id=\'{0}\' and @type=\'Form\']/c:categories", request.View);
if ((view != null) && ((request.PageSize > 0) && (!(request.Inserting) && (_config.SelectSingleNode("/c:dataController/c:fields/c:field[@name=\'_Annotation_NoteNew\']") == null))))
{
_requireProcessing = true;
string ns = ControllerConfiguration.Namespace;
List <DynamicExpression> expressions = new List <DynamicExpression>(_config.Expressions);
// create NewXXX fields under "fields" node
StringBuilder sb = new StringBuilder();
XmlWriterSettings settings = new XmlWriterSettings();
settings.ConformanceLevel = ConformanceLevel.Fragment;
XmlWriter writer = XmlWriter.Create(sb, settings);
// NoteNew field
writer.WriteStartElement("field", ns);
writer.WriteAttributeString("name", "_Annotation_NoteNew");
writer.WriteAttributeString("type", "String");
writer.WriteAttributeString("allowSorting", "false");
writer.WriteAttributeString("allowQBE", "false");
writer.WriteAttributeString("label", Localizer.Replace("AnnotationNoteNewFieldLabel", "Notes"));
writer.WriteAttributeString("computed", "true");
writer.WriteElementString("formula", ns, "null");
writer.WriteEndElement();
DynamicExpression de = new DynamicExpression();
de.Target = "_Annotation_NoteNew";
de.Scope = DynamicExpressionScope.DataFieldVisibility;
de.Type = DynamicExpressionType.ClientScript;
de.Test = "this.get_isEditing()";
de.ViewId = request.View;
expressions.Add(de);
// AttachmentNew field
writer.WriteStartElement("field", ns);
writer.WriteAttributeString("name", "_Annotation_AttachmentNew");
writer.WriteAttributeString("type", "Byte[]");
writer.WriteAttributeString("onDemand", "true");
writer.WriteAttributeString("sourceFields", this.KeyFields);
writer.WriteAttributeString("onDemandHandler", "AnnotationPlugIn");
writer.WriteAttributeString("allowQBE", "false");
writer.WriteAttributeString("allowSorting", "false");
writer.WriteAttributeString("label", Localizer.Replace("AnnotationAttachmentNewFieldLabel", "Attachment"));
writer.WriteAttributeString("computed", "true");
writer.WriteElementString("formula", ns, "null");
writer.WriteEndElement();
writer.Close();
this.Fields.AppendChild(sb.ToString());
DynamicExpression ade = new DynamicExpression();
ade.Target = "_Annotation_AttachmentNew";
ade.Scope = DynamicExpressionScope.DataFieldVisibility;
ade.Type = DynamicExpressionType.ClientScript;
ade.Test = "this.get_isEditing()";
ade.ViewId = request.View;
expressions.Add(ade);
// create NewXXX data fields under "view/dataFields" node
sb = new StringBuilder();
writer = XmlWriter.Create(sb);
writer.WriteStartElement("category", ns);
writer.WriteAttributeString("id", "Annotations");
writer.WriteAttributeString("headerText", Localizer.Replace("AnnotationCategoryHeaderText", "Notes and Attachments"));
writer.WriteElementString("description", ns, Localizer.Replace("AnnotationCategoryDescription", "Enter optional notes and attach files."));
writer.WriteStartElement("dataFields", ns);
// _Annotation_NoteNew dataField
writer.WriteStartElement("dataField", ns);
writer.WriteAttributeString("fieldName", "_Annotation_NoteNew");
writer.WriteAttributeString("columns", "50");
writer.WriteAttributeString("rows", "7");
writer.WriteEndElement();
// _Annotation_AttachmentNew
writer.WriteStartElement("dataField", ns);
writer.WriteAttributeString("fieldName", "_Annotation_AttachmentNew");
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndElement();
writer.Close();
view.AppendChild(sb.ToString());
_retrieveAnnotations = !(request.Inserting);
_config.Expressions = expressions.ToArray();
}
}
public virtual ControllerConfiguration EnsureVitalElements()
{
// verify that the data controller has views and actions
XPathNavigator root = SelectSingleNode("/c:dataController[c:views/c:view and c:actions/c:actionGroup]");
if (root != null)
{
return(this);
}
// add missing configuration elements
XmlDocument doc = new XmlDocument();
doc.LoadXml(_navigator.OuterXml);
ControllerConfiguration config = new ControllerConfiguration(doc.CreateNavigator());
XPathNavigator fieldsNode = config.SelectSingleNode("/c:dataController/c:fields[not(c:field[@isPrimaryKey=\'true\'])]");
if (fieldsNode != null)
{
fieldsNode.AppendChild("<field name=\"PrimaryKey\" type=\"Int32\" isPrimaryKey=\"true\" readOnly=\"true\"/>");
}
root = config.SelectSingleNode("/c:dataController");
EnsureChildNode(root, "views");
XPathNavigator viewsNode = config.SelectSingleNode("/c:dataController/c:views[not(c:view)]");
if (viewsNode != null)
{
StringBuilder sb = new StringBuilder("<view id=\"view1\" type=\"Form\" label=\"Form\"><categories><category id=\"c1\" newColumn" +
"=\"true\"><dataFields>");
XPathNodeIterator fieldIterator = config.Select("/c:dataController/c:fields/c:field");
while (fieldIterator.MoveNext())
{
string fieldName = fieldIterator.Current.GetAttribute("name", String.Empty);
bool hidden = (fieldName == "PrimaryKey");
string length = fieldIterator.Current.GetAttribute("length", String.Empty);
if (String.IsNullOrEmpty(length) && (((bool)(fieldIterator.Current.Evaluate("not(c:items/@style!=\'\')", _resolver))) == true))
{
if (fieldIterator.Current.GetAttribute("type", String.Empty) == "String")
{
length = "50";
}
else
{
length = "20";
}
}
sb.AppendFormat("<dataField fieldName=\"{0}\" hidden=\"{1}\"", fieldName, hidden.ToString().ToLower());
if (!(String.IsNullOrEmpty(length)))
{
sb.AppendFormat(" columns=\"{0}\"", length);
}
sb.Append(" />");
}
sb.Append("</dataFields></category></categories></view>");
viewsNode.AppendChild(sb.ToString());
}
EnsureChildNode(root, "actions");
XPathNavigator actionsNode = config.SelectSingleNode("/c:dataController/c:actions[not(c:actionGroup)]");
if (actionsNode != null)
{
actionsNode.AppendChild(@"<actionGroup id=""ag1"" scope=""Form"">
<action id=""a1"" commandName=""Confirm"" causesValidation=""true"" whenLastCommandName=""New"" />
<action id=""a2"" commandName=""Cancel"" whenLastCommandName=""New"" />
<action id=""a3"" commandName=""Confirm"" causesValidation=""true"" whenLastCommandName=""Edit"" />
<action id=""a4"" commandName=""Cancel"" whenLastCommandName=""Edit"" />
<action id=""a5"" commandName=""Edit"" causesValidation=""true"" />
</actionGroup>");
}
XPathNavigator plugIn = config.SelectSingleNode("/c:dataController/@plugIn");
if (plugIn != null)
{
plugIn.DeleteSelf();
config._plugIn = null;
}
return(config);
}