/// <summary>
/// Previews EForm
/// </summary>
/// <param name="eform"></param>
private void PreviewEForm(Eform eform)
{
PreviewPanel.Visible = true;
// set eform title
EFormName.Text = eform.Name;
//PreviewEFormPage.BuildPage(eform.Pages[0]);
}
/// <summary>
/// Inserts the EForm object into DB
/// </summary>
/// <param name="eform"></param>
private void SaveEForm(Eform eform)
{
// default version number
string versionNumber = "0";
// ??? version number used for active bit, on insert, turn on, on exisitng, use prvious value
if (!string.IsNullOrEmpty(POSTEFormId))
{
MetadataEForm prevEform = new MetadataEForm();
prevEform.Get(int.Parse(POSTEFormId));
versionNumber = prevEform[MetadataEForm.EFormVersionNum].ToString();
}
EformMetadataBuilder builder = new EformMetadataBuilder(eform.Name, eform.Disease, versionNumber);
foreach (EformPage page in eform.Pages)
{
builder.NewPage(page.Title, "1");
for (int i = 0; i < page.Sections.Length; i++)
{
EformSection section = page.Sections[i];
ProcessSection(builder, section, i);
}
}
// after traversing, save
builder.Save();
// update eform id hidden
// locate inserted record
MetadataEForm biz = new MetadataEForm();
// after save, if existing eform exists, remove duplicate
if (!string.IsNullOrEmpty(POSTEFormId))// && POSTEFormId != EFormId.Value)
{
int eformId = int.Parse(POSTEFormId);
biz.Delete(eformId);
biz = GetEFormbyName(eform.Name);
EFormId.Value = biz[MetadataEForm.MetadataEFormId].ToString();
// set client message
OperationMessage.Value = string.Empty;
}
else
{
biz = GetEFormbyName(eform.Name);
EFormId.Value = biz[MetadataEForm.MetadataEFormId].ToString();
// set client message
OperationMessage.Value = string.Empty;
}
}
/// <summary>
/// Writes the EForm to the Response
/// </summary>
private void WriteEForm()
{
Response.Clear();
Eform eform = ObjectSerializer.InstanceFromJSON <Eform>(JSONEForm);
if (OutputType == OUTPUT_JSON)
{
WriteJSON(eform);
}
else if (OutputType == OUTPUT_XML)
{
WriteXML(eform);
}
Response.End();
}
/// <summary>
/// Delegate approriate method based on client params
/// </summary>
private void ProcessClientRequest()
{
// determine method called
if (!string.IsNullOrEmpty(QueryMethodName))
{
// with eform, process
if (!string.IsNullOrEmpty(POSTJSONEform))
{
Eform eform = GetEformObject(POSTJSONEform);
if (QueryMethodName == METHOD_SAVE_EFORM)
{
// insert eform data
SaveEForm(eform);
}
else if (QueryMethodName == METHOD_PREVIEW_EFORM)
{
PreviewEForm(eform);
}
}
else
{
if (QueryMethodName == METHOD_LOAD_EFORM && !string.IsNullOrEmpty(POSTEFormId))
{
MetadataEForm biz = new MetadataEForm();
biz.Get(int.Parse(POSTEFormId));
BuildPageFromEForm(biz[MetadataEForm.EFormName].ToString());
EFormSectionPanel.Visible = true;
}
else if (QueryMethodName == METHOD_GET_ITEMS && !string.IsNullOrEmpty(QueryTable))
{
ToolboxPanel.Visible = true;
BuildToolboxItems(QueryTable);
}
else if (QueryMethodName == METHOD_GET_SECTION || QueryMethodName == METHOD_GET_SUB_SECTION)
{
BuildBlankPage();
EFormSectionPanel.Visible = true;
}
else if (QueryMethodName == METHOD_DELETE_EFORM)
{
DeleteEForm();
}
}
}
}
public GetEform()
: base()
{
this.Init += (a, b) =>
{
// create sample blank form
_eform = new Eform();
EformPage page = new EformPage();
page.Sections = new EformSection[] { new EformSection() };
_eform.Pages = new EformPage[] { page };
// default eform id and JSON eform from client POST
EFormId.Value = POSTEFormId;
JSONData.Value = POSTJSONEform;
ProcessClientRequest();
};
}
/// <summary>
/// Returns an Eform object from its JSON representation
/// </summary>
/// <param name="JSON">the json string representation of an EForm</param>
/// <returns></returns>
private Eform GetEformObject(string JSON)
{
Eform eform = ObjectSerializer.InstanceFromJSON <Eform>(JSON);
return(eform);
}
/// <summary>
/// Writes the EForm as xml
/// </summary>
/// <param name="eform"></param>
private void WriteXML(Eform eform)
{
Response.ContentType = "text/xml";
eform.ToXml().Save(Response.OutputStream);
}
/// <summary>
/// Writes the EForm as JSON text
/// </summary>
/// <param name="eform"></param>
private void WriteJSON(Eform eform)
{
Response.ContentType = "text/plain";
Response.Write(eform.ToJSON());
}
