}//END AddItem Method
// =================================================================================
/// <summary>
/// This method adds a new data change value to the list of data change objects.
/// </summary>
/// <param name="ItemId">String: The item identifier.</param>
/// <param name="InitialValue">String: the intial item value.</param>
/// <param name="NewValue">String: the new item value.</param>
/// <returns>Integer: is the count of data change object in the list.</returns>
/// <remarks>
/// This method consists of the following steps:
///
/// 1. Initilize the data change item object
///
/// 2. Add the item to the item object
///
/// 3. Return a number of items on the item list object
/// </remarks>
// ---------------------------------------------------------------------------------
public int AddItem(String ItemId, Guid InitialValue, Guid NewValue)
{
//
// if nothing has changed then exit.
//
if (InitialValue == NewValue)
{
return(this._Items.Count);
}
//
// Initialise the new data change item
//
EvDataChangeItem item = new EvDataChangeItem(ItemId, InitialValue.ToString( ), NewValue.ToString( ));
//
// Append the item to the item list.
//
this._Items.Add(item);
//
// return the item index.
//
return(this._Items.Count);
}//END AddItem Method
}//END AddItem Method
// =================================================================================
/// <summary>
/// This method adds a new data change value to the list of data change objects.
/// </summary>
/// <param name="ItemId">String: The item identifier.</param>
/// <param name="enumInitialValue">Enumerated Object: the intial item value.</param>
/// <param name="enumNewValue">Enumerated Object: the new item value.</param>
/// <returns>Integer: is the count of data change object in the list.</returns>
/// <remarks>
/// This method consists of the following steps:
///
/// 1. Initilize the data change item object
///
/// 2. Add the item to the item object
///
/// 3. Return a number of items on the item list object
/// </remarks>
// ---------------------------------------------------------------------------------
public int AddItem(
String ItemId,
Object enumInitialValue,
Object enumNewValue)
{
//
// Convert the enumerated value to string.
//
String InitialValue = Enum.GetName(enumInitialValue.GetType( ), enumInitialValue);
String NewValue = Enum.GetName(enumNewValue.GetType( ), enumNewValue);
//
// if nothing has changed then exit.
//
if (InitialValue.Trim( ) == NewValue.Trim( ))
{
return(this._Items.Count);
}
//
// Initialise the new data change item
//
EvDataChangeItem item = new EvDataChangeItem(ItemId, InitialValue, NewValue);
//
// Append the item to the item list.
//
this._Items.Add(item);
//
// return the item index.
//
return(this._Items.Count);
}//END AddItem Metho
}//END AddItem Method
// =================================================================================
/// <summary>
/// This method creates a Html fieldset containing the contents of the indexed data
/// change object.
/// </summary>
/// <param name="ChangeNo">Int: the index to the data change object to be displayed.</param>
/// <returns>Html as String</returns>
/// <remarks>
/// This method consists of the following steps:
///
/// 1. Initialize the stHtml string
///
/// 2. Open the fieldset element and set its legend
///
/// 3. Add a table row displaying the trail identifier if it exists
///
/// 4. Add a table row displaying the subject identifier if it exists
///
/// 5. Add a table row displaying the record identifier if it is exists
///
/// 6. Output the data change item value in a table
///
/// 7. Loop through the items in this change items as a table row.
///
/// 8. Extract data, set view, set column, format xml, add user identifier and time stamp
/// </remarks>
// ---------------------------------------------------------------------------------
public string getAsHtml(int ChangeNo)
{
//
// Initialise the stHtlm string
//
String stHtml = String.Empty;
//
// Open the fieldset element and set its legend
//
stHtml += "<fieldset class='Fields'> "
+ "<legend>Change: " + (ChangeNo + 1) + "</legend>"
+ "<table>";
//
// Add a table row displaying the trial identifier if it exists.
//
if (this._TrialId != String.Empty)
{
stHtml += "<tr>"
+ "<td class='Prompt Width_20' >TrialId:</td>"
+ "<td>" + this._TrialId + "</td>"
+ "</tr>";
}
//
// Add a table row displaying the subject identifier if it exists
//
if (this._SubjectId != String.Empty)
{
stHtml += "<tr>"
+ "<td class='Prompt Width_20' >SubjectId:</td>"
+ "<td>" + this._SubjectId + "</td>"
+ "</tr>";
}
//
// Add a table row displaying the record identifier if it is exists
//
if (this._RecordId != String.Empty)
{
stHtml += "<tr>"
+ "<td class='Prompt Width_20' >RecordId:</td>"
+ "<td>" + this._RecordId + "</td>"
+ "</tr>";
}
stHtml += "</table>\r\n";
//
// Output the data change item value in a table
//
stHtml += "<table class='View' style='width:98%' cellspacing='0' border='1' style='border-collapse:collapse;' >"
+ "<tr class='View_Header'>"
+ "<th style='width:40px;' style='text-align:center;' >Item</th>"
+ "<th style='text-align:center;' >ItemId</th>"
+ "<th style='width:425px;'style='text-align:center;' >Initial Value</th>"
+ "<th style='width:425px;'style='text-align:center;' >New Value</th>"
+ "</tr>";
//
// Iterate through the items in this change items as a table row.
//
for (int index = 0; index < this._Items.Count; index++)
{
//
// Extract data change item from the list of items.
//
EvDataChangeItem item = this._Items [index];
//
// Set the view to be "View_Item" for the event order and "View_Alt" for the odd order
//
if (index % 2 == 0)
{
stHtml += "<tr class='View_Item' >"
+ "<td style='text-align:center;'>"
+ (index + 1)
+ "</td>";
}
else
{
stHtml += "<tr class='View_Alt'>"
+ "<td style='text-align:center;'>"
+ (index + 1)
+ "</td>";
}
//
// Set the column to be "Null Data" if item identifier does not exist
// but if it exists, assign column with item identifier from the list of items
//
if (item.ItemId == String.Empty)
{
stHtml += "<td>Null Data</td>";
}
else
{
stHtml += "<td>" + EvHtmlCoding.Decode(item.ItemId) + "</td>";
}
//
// Set the column to be "Null Data" if the initial value does not exist
//
if (item.InitialValue == String.Empty)
{
stHtml += "<td>Null Data</td>";
}
else
{
string value = EvHtmlCoding.Decode(item.InitialValue);
//
// Formating XML object for display
//
if (value.Contains("< ?xml version") == true)
{
value = value.Replace("> ", ">");
value = value.Replace("\n", String.Empty);
value = value.Replace("> ", "><br/>");
}
stHtml += "<td>" + value + "</td>";
}
//
// Set the column to be "Null Data" if the new value does not exist
//
if (item.NewValue == String.Empty)
{
stHtml += "<td>Null Data</td>";
}
else
{
string value = EvHtmlCoding.Decode(item.NewValue);
//
// Formating XML object for display
//
if (value.Contains("< ?xml version") == true)
{
value = value.Replace("> ", ">");
value = value.Replace("\n", String.Empty);
value = value.Replace("> ", "> <br/>");
}
stHtml += "<td>" + value + "</td>";
}
}
//
// Add user identifier and date time stamp from the list of items to the new table row
//
stHtml += "<table>"
+ "<tr>"
+ "<td class='Prompt Width_20' >UserId:</td>"
+ "<td>"
+ this._UserId
+ "</td>"
+ "</tr>"
+ "<tr>"
+ "<td class='Prompt' >DateStamp:</td>"
+ "<td>"
+ this.stDateStamp
+ "</td>"
+ "</tr>"
+ "</table>"
+ "</fieldset>\t\n";
//
// Return the html markup as a string
//
return(stHtml);
}//END getAsHtml method