/// <summary> Refresh the list of thematic headings by pulling the data back from the database </summary>
/// <returns> TRUE if successful, otherwise FALSE </returns>
public static bool RefreshThematicHeadings()
{
try
{
lock (thematicHeadingsLock)
{
if (thematicHeadings != null)
{
thematicHeadings.Clear();
}
if (!Engine_Database.Populate_Thematic_Headings(Thematic_Headings, null))
{
thematicHeadings = null;
return(false);
}
}
return(true);
}
catch
{
return(false);
}
}
/// <summary> Constructor for a new instance of the Thematic_Headings_AdminViewer class </summary>
/// <param name="RequestSpecificValues"> All the necessary, non-global data specific to the current request </param>
/// <remarks> Postback from handling an edit or new thematic heading is handled here in the constructor </remarks>
public Thematic_Headings_AdminViewer(RequestCache RequestSpecificValues) : base(RequestSpecificValues)
{
RequestSpecificValues.Tracer.Add_Trace("Thematic_Headings_AdminViewer.Constructor", String.Empty);
// Set action message to nothing to start
actionMessage = String.Empty;
// If the RequestSpecificValues.Current_User cannot edit this, go back
if ((!RequestSpecificValues.Current_User.Is_System_Admin) && (!RequestSpecificValues.Current_User.Is_Portal_Admin))
{
RequestSpecificValues.Current_Mode.Mode = Display_Mode_Enum.My_Sobek;
RequestSpecificValues.Current_Mode.My_Sobek_Type = My_Sobek_Type_Enum.Home;
UrlWriterHelper.Redirect(RequestSpecificValues.Current_Mode);
return;
}
// Handle any post backs
if (RequestSpecificValues.Current_Mode.isPostBack)
{
try
{
// Pull the standard values from the form
NameValueCollection form = HttpContext.Current.Request.Form;
string save_value = form["admin_heading_tosave"];
string action_value = form["admin_heading_action"];
// Switch, depending on the request
if (action_value != null)
{
switch (action_value.Trim().ToLower())
{
case "edit":
string new_name = form["form_heading_name"];
if (new_name != null)
{
int id = Convert.ToInt32(save_value);
int order = 1 + UI_ApplicationCache_Gateway.Thematic_Headings.TakeWhile(ThisHeading => ThisHeading.ID != id).Count();
if (Engine_Database.Edit_Thematic_Heading(id, order, new_name, RequestSpecificValues.Tracer) < 1)
{
actionMessage = "Unable to edit existing thematic heading";
}
else
{
// For thread safety, lock the thematic headings list
Engine_ApplicationCache_Gateway.RefreshThematicHeadings();
actionMessage = "Thematic heading edits saved";
}
}
break;
case "delete":
int thematicDeleteId = Convert.ToInt32(save_value);
if (!Engine_Database.Delete_Thematic_Heading(thematicDeleteId, RequestSpecificValues.Tracer))
{
// Set action message
actionMessage = "Unable to delete existing thematic heading";
}
else
{
// For thread safety, lock the thematic headings list
lock (UI_ApplicationCache_Gateway.Thematic_Headings)
{
// Remove this thematic heading from the list
int i = 0;
while (i < UI_ApplicationCache_Gateway.Thematic_Headings.Count)
{
if (UI_ApplicationCache_Gateway.Thematic_Headings[i].ID == thematicDeleteId)
{
UI_ApplicationCache_Gateway.Thematic_Headings.RemoveAt(i);
}
else
{
i++;
}
}
}
// Set action message
actionMessage = "Thematic heading deleted";
}
break;
case "new":
int new_order = UI_ApplicationCache_Gateway.Thematic_Headings.Count + 1;
int newid = Engine_Database.Edit_Thematic_Heading(-1, new_order, save_value, RequestSpecificValues.Tracer);
if (newid < 1)
{
actionMessage = "Unable to save new thematic heading";
}
else
{
// For thread safety, lock the thematic headings list
lock (UI_ApplicationCache_Gateway.Thematic_Headings)
{
// Repopulate the thematic headings list
Engine_Database.Populate_Thematic_Headings(UI_ApplicationCache_Gateway.Thematic_Headings, RequestSpecificValues.Tracer);
}
// Add this blank thematic heading to the code manager
UI_ApplicationCache_Gateway.Aggregations.Add_Blank_Thematic_Heading(newid);
actionMessage = "New thematic heading saved";
}
break;
case "moveup":
string[] moveup_split = save_value.Split(",".ToCharArray());
int moveup_id = Convert.ToInt32(moveup_split[0]);
int moveup_order = Convert.ToInt32(moveup_split[1]);
if (moveup_order > 1)
{
Thematic_Heading themeHeading = UI_ApplicationCache_Gateway.Thematic_Headings[moveup_order - 1];
if (themeHeading.ID == moveup_id)
{
// For thread safety, lock the thematic headings list
lock (UI_ApplicationCache_Gateway.Thematic_Headings)
{
// Move this thematic heading up
UI_ApplicationCache_Gateway.Thematic_Headings.Remove(themeHeading);
UI_ApplicationCache_Gateway.Thematic_Headings.Insert(moveup_order - 2, themeHeading);
int current_order = 1;
foreach (Thematic_Heading thisTheme in UI_ApplicationCache_Gateway.Thematic_Headings)
{
Engine_Database.Edit_Thematic_Heading(thisTheme.ID, current_order, thisTheme.Text, RequestSpecificValues.Tracer);
current_order++;
}
// Repopulate the thematic headings list
Engine_Database.Populate_Thematic_Headings(UI_ApplicationCache_Gateway.Thematic_Headings, RequestSpecificValues.Tracer);
}
}
}
break;
case "movedown":
string[] movedown_split = save_value.Split(",".ToCharArray());
int movedown_id = Convert.ToInt32(movedown_split[0]);
int movedown_order = Convert.ToInt32(movedown_split[1]);
if (movedown_order < UI_ApplicationCache_Gateway.Thematic_Headings.Count)
{
Thematic_Heading themeHeading = UI_ApplicationCache_Gateway.Thematic_Headings[movedown_order - 1];
if (themeHeading.ID == movedown_id)
{
// For thread safety, lock the thematic headings list
lock (UI_ApplicationCache_Gateway.Thematic_Headings)
{
// Move this thematic heading down
UI_ApplicationCache_Gateway.Thematic_Headings.Remove(themeHeading);
UI_ApplicationCache_Gateway.Thematic_Headings.Insert(movedown_order, themeHeading);
int current_order = 1;
foreach (Thematic_Heading thisTheme in UI_ApplicationCache_Gateway.Thematic_Headings)
{
Engine_Database.Edit_Thematic_Heading(thisTheme.ID, current_order, thisTheme.Text, RequestSpecificValues.Tracer);
current_order++;
}
// Repopulate the thematic headings list
Engine_Database.Populate_Thematic_Headings(UI_ApplicationCache_Gateway.Thematic_Headings, RequestSpecificValues.Tracer);
}
}
}
break;
}
}
}
catch (Exception)
{
actionMessage = "Unknown error caught while handling your reqeust";
}
}
}
