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SourceCode/PROMS/ReferencedObjectsOld/LibSource/RODBInterface/RODBInterface.cs

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/*********************************************************************************************
* Copyright 2002 - Volian Enterprises, Inc. All rights reserved.
* Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
* ------------------------------------------------------------------------------
* $Workfile: RODBInterface.cs $ $Revision: 48 $
* $Author: Kathy $ $Date: 9/06/05 11:25a $
*
* $History: RODBInterface.cs $
*
* ***************** Version 48 *****************
* User: Kathy Date: 9/06/05 Time: 11:25a
* Updated in $/LibSource/RODBInterface
* B2005-035
*
* ***************** Version 47 *****************
* User: Jsj Date: 5/03/05 Time: 11:45a
* Updated in $/LibSource/RODBInterface
*
* ***************** Version 46 *****************
* User: Kathy Date: 7/15/04 Time: 11:10a
* Updated in $/LibSource/RODBInterface
* Fix B2004-016
*
* ***************** Version 45 *****************
* User: Jsj Date: 5/19/04 Time: 11:11a
* Updated in $/LibSource/RODBInterface
* fixed typo in warning message
*
* ***************** Version 44 *****************
* User: Jsj Date: 5/13/04 Time: 2:19p
* Updated in $/LibSource/RODBInterface
* RO FST will skip records that do not have a valid parent.
*
* ***************** Version 43 *****************
* User: Jsj Date: 5/11/04 Time: 9:28a
* Updated in $/LibSource/RODBInterface
* We were getting multiple tree entries after creating the FST file.
*
* ***************** Version 42 *****************
* User: Jsj Date: 4/08/04 Time: 9:42a
* Updated in $/LibSource/RODBInterface
* Optimized and added new read functions to speed up RO.FST file
* creation.
*
* ***************** Version 41 *****************
* User: Jsj Date: 3/19/04 Time: 9:40a
* Updated in $/LibSource/RODBInterface
* bug fix, was using parent node's group definition instead of the
* current node's group definition
* B2004-008
*
* ***************** Version 40 *****************
* User: Jsj Date: 1/12/04 Time: 12:08p
* Updated in $/LibSource/RODBInterface
* changed SQL Server catalog name from"RO" to "VEPROMS RO"
*
* ***************** Version 39 *****************
* User: Jsj Date: 1/07/04 Time: 2:17p
* Updated in $/LibSource/RODBInterface
* allow use of SQL Server
*
* ***************** Version 38 *****************
* User: Kathy Date: 5/30/03 Time: 12:47p
* Updated in $/LibSource/RODBInterface
* B2003-040: flag inserted groups have no children for xml
*
* ***************** Version 37 *****************
* User: Kathy Date: 5/21/03 Time: 12:44p
* Updated in $/LibSource/RODBInterface
* B2003-041: field name changes fixes.
*
* ***************** Version 36 *****************
* User: Kathy Date: 5/07/03 Time: 1:57p
* Updated in $/LibSource/RODBInterface
* B2003-033 fix
*
* ***************** Version 35 *****************
* User: Jsj Date: 4/14/03 Time: 2:59p
* Updated in $/LibSource/RODBInterface
* changes to help speed up RO FST file creation
*
* ***************** Version 34 *****************
* User: Kathy Date: 4/04/03 Time: 9:39a
* Updated in $/LibSource/RODBInterface
* B2003-030: flag parent's HasChild attribute for new ros
*
* ***************** Version 33 *****************
* User: Kathy Date: 3/13/03 Time: 1:17p
* Updated in $/LibSource/RODBInterface
* master different than local fieldname, use local
*
* ***************** Version 32 *****************
* User: Kathy Date: 1/27/03 Time: 2:12p
* Updated in $/LibSource/RODBInterface
* test oledb
*
* ***************** Version 31 *****************
* User: Kathy Date: 12/17/02 Time: 2:32p
* Updated in $/LibSource/RODBInterface
* new top group with apostrophe failed
*
* ***************** Version 30 *****************
* User: Kathy Date: 12/17/02 Time: 11:05a
* Updated in $/LibSource/RODBInterface
* fixed bug on apostrophe in field def (schema string)
*
* ***************** Version 29 *****************
* User: Kathy Date: 12/10/02 Time: 2:24p
* Updated in $/LibSource/RODBInterface
* fieldname special chars & various bug fixes
*
* ***************** Version 28 *****************
* User: Kathy Date: 12/06/02 Time: 11:57a
* Updated in $/LibSource/RODBInterface
* mods for SQL Server
*
* ***************** Version 27 *****************
* User: Kathy Date: 12/02/02 Time: 8:28a
* Updated in $/LibSource/RODBInterface
* fieldname replace chars
*
* ***************** Version 26 *****************
* User: Kathy Date: 12/02/02 Time: 6:11a
* Updated in $/LibSource/RODBInterface
* Fix some bugs and add status bar on long ops
*
* ***************** Version 25 *****************
* User: Jsj Date: 11/27/02 Time: 12:46p
* Updated in $/LibSource/RODBInterface
* modifications for RO.FST file creation
*
* ***************** Version 24 *****************
* User: Kathy Date: 11/26/02 Time: 12:56p
* Updated in $/LibSource/RODBInterface
* fixed single quote crash in accpageid
*
* ***************** Version 23 *****************
* User: Kathy Date: 11/11/02 Time: 7:15a
* Updated in $/LibSource/RODBInterface
* Added RODB_ReadRO to read an RO given a recid/table name
*
* ***************** Version 22 *****************
* User: Kathy Date: 10/24/02 Time: 11:16a
* Updated in $/LibSource/RODBInterface
* delete hi-level group (table)
*
* ***************** Version 21 *****************
* User: Kathy Date: 10/15/02 Time: 2:16p
* Updated in $/LibSource/RODBInterface
* minor bug fixes & new group (database, i.e. table level)
*
* ***************** Version 20 *****************
* User: Kathy Date: 10/10/02 Time: 1:04p
* Updated in $/LibSource/RODBInterface
* xmltree=tree control
*
* ***************** Version 19 *****************
* User: Kathy Date: 10/10/02 Time: 10:56a
* Updated in $/LibSource/RODBInterface
* console.writeline->Messagebox
*
* ***************** Version 18 *****************
* User: Kathy Date: 10/10/02 Time: 10:00a
* Updated in $/LibSource/RODBInterface
* delete bug fix & accessory page id support
*
* ***************** Version 17 *****************
* User: Kathy Date: 10/07/02 Time: 11:25a
* Updated in $/LibSource/RODBInterface
* image file saving of xml using xmltextwriter was missing sometext
*
* ***************** Version 16 *****************
* User: Kathy Date: 10/02/02 Time: 1:41p
* Updated in $/LibSource/RODBInterface
* tie tree to insert/delete changes (round 1)
*
* ***************** Version 15 *****************
* User: Jsj Date: 10/01/02 Time: 4:45p
* Updated in $/LibSource/RODBInterface
* hooks for passed in database path
*
* ***************** Version 14 *****************
* User: Kathy Date: 9/27/02 Time: 1:22p
* Updated in $/LibSource/RODBInterface
* remove using vlnxml
*
* ***************** Version 13 *****************
* User: Kathy Date: 9/27/02 Time: 1:18p
* Updated in $/LibSource/RODBInterface
* fix digit as first char in fieldname & recurse through tree adjusting
* for modified field names
*
* ***************** Version 12 *****************
* User: Jsj Date: 9/26/02 Time: 11:13a
* Updated in $/LibSource/RODBInterface
* added VLNXML reference
*
* ***************** Version 11 *****************
* User: Kathy Date: 9/25/02 Time: 9:55a
* Updated in $/LibSource/RODBInterface
* generate xml strings for writing to database by using xmltextwriter
*
* ***************** Version 10 *****************
* User: Kathy Date: 9/19/02 Time: 10:02a
* Updated in $/LibSource/RODBInterface
* minor changes for schema and other bug fixes
*
* ***************** Version 9 *****************
* User: Kathy Date: 9/11/02 Time: 1:14p
* Updated in $/LibSource/RODBInterface
* vlnxml
*
* ***************** Version 8 *****************
* User: Kathy Date: 9/10/02 Time: 12:54p
* Updated in $/LibSource/RODBInterface
* menu titles
*
* ***************** Version 7 *****************
* User: Kathy Date: 9/06/02 Time: 11:43a
* Updated in $/LibSource/RODBInterface
* datetimestamp
*
* ***************** Version 6 *****************
* User: Kathy Date: 8/30/02 Time: 11:56a
* Updated in $/LibSource/RODBInterface
* new/update ro field records.
*
* ***************** Version 5 *****************
* User: Kathy Date: 8/30/02 Time: 9:43a
* Updated in $/LibSource/RODBInterface
* compile
*
* ***************** Version 4 *****************
* User: Jsj Date: 8/28/02 Time: 3:40p
* Updated in $/LibSource/RODBInterface
* added a create table function
*
* ***************** Version 3 *****************
* User: Jsj Date: 8/28/02 Time: 3:03p
* Updated in $/LibSource/RODBInterface
* read connection strings from a text file
*
* ***************** Version 2 *****************
* User: Kathy Date: 8/28/02 Time: 10:52a
* Updated in $/LibSource/RODBInterface
* development
*********************************************************************************************/
using System;
using System.Collections;
using System.IO;
using System.Data;
using System.Xml;
using System.Xml.XPath;
using System.Xml.Schema;
using System.Text;
using System.Windows.Forms;
using DBEncapsulation;
using ROFields;
using VlnStatus;
//using IniFileIO;
using System.Collections.Specialized;
using Org.Mentalis.Files;
//using VlnProfiler; //don't forget to add VlnProfiler to the reference list
namespace RODBInterface
{
/// <summary>
/// Summary description for Class1
/// </summary>
public enum RecordType: uint
{
Master=0, SubDatabase=1, Schema=2, Group=3, GroupSchema=4, RRO=5, SchemaStart=6, SchemaEnd=7
}
/// <summary>
/// The following class handles generation of sql strings to get/put requested parts of
/// XML RO Tree. And performs the database access using the VLN_DB class.
/// </summary>
public class RODB
{
DBEncapsulation.DBEncapsulate DBE;
DBEncapsulation.OLEDB_DBEncap DBE_OLEDB;
// DBEncapsulation.ODBC_DBEncap DBE_ODBC;
private VlnXmlDocument ROXml;
private string schemastart;
private string schemaend;
private string lastTable="";
private HybridDictionary dicFldTypes;
// private string strAccOLEDBconn = "";
// private string strSQLOLEDBconn = "";
// private string strAccODBCconn = "";
// private string strodbcConn = "";
private string strDatabaseConnectionCommand;
// int dbConnectionType = 0; // we are only doing OLE-DB
int dbProviderType = 0;
string dbServerPath="";
string dbServerUserName="";
string dbServerPassword="";
// private enum CONNTYPE {OLEDB, ODBC};
private enum DB_PROVIDER {ACCESS,SQL_SERVER,ORACLE};
// public RODB(int conntype, string connectstring)
public RODB(string RODirectoyPath)
{
// Setup the connection string
//if (RODirectoyPath.Equals(""))
// GetConnectionStringFromFile();
//else
BuildConnectionString(RODirectoyPath);
// Initialize the connection depending on OLE-DB or ODBC:
// conntype = 2; // ODBC: 1; // OLE-DB: 2 need to define this programmatically
//END OF TEMPORARY
// Either use an OLE-DB or ODBC connection, depending on what was passed in.
//**** We are only doing OLE-DB
// if ( dbConnectionType == (int)CONNTYPE.ODBC) // ODBC
// {
// DBE_ODBC = new ODBC_DBEncap();
// DBE = DBE_ODBC;
// }
// else // OLE-DB
// {
DBE_OLEDB = new OLEDB_DBEncap();
DBE = DBE_OLEDB;
// }
try
{
// DBE.Connection(strAccOLEDBconn);
//DBE.Connection(strodbcConn);
//SQL:
// DBE.Connection(strSQLOLEDBconn);
DBE.Connection(strDatabaseConnectionCommand);
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Setup of OLEDB/ODBC");
}
}
// public void GetConnectionStringFromFile()
// {
// /* This file should contain the connection strings in the followin order:
// * AccOLEDBconn, SQLOLEDBconn, AccODBCconn, odbcConn.
// */
// // append "ConnectList.txt" to the path of the location of the exe being run
// // for example: VE-PROMS.NET\BIN or BIN\DEBUG
// // This set in Visual Studio .NET in the properties dialog of the project, select
// // Configuration Properties. You will see an option call Output Path.
// string FileName = Application.StartupPath + "\\ConnectList.txt";
//
// if (!File.Exists(FileName))
// {
// // File does not exist
// MessageBox.Show("Could not find ConnectList.txt file");
// return;
// }
//
// /*
// * Open the text file for reading
// */
// StreamReader sr = File.OpenText(FileName);
//
// /*
// * Connection string to MS-access use with oledb directly
// */
// strAccOLEDBconn = sr.ReadLine();
//
// /*
// * connection string to SQL-server use with oledb
// */
// strSQLOLEDBconn = sr.ReadLine();
//
// /*
// * connection string to for oledb to odbc dsn
// */
// strAccODBCconn = sr.ReadLine();
//
// /*
// * ODBC connection:
// * ACCESS:
// */
// strodbcConn = sr.ReadLine();
//
// sr.Close(); // close ConnectList.txt
//
// }
private void GetDbServerInfo(string ROdir)
{
// string strConnectionType;
string strServerProvider;
string ROiniPath = ROdir + "\\ROAPP.INI";
//**** For now we are only doing OLE-DB
//****
// Get the database connection type
// strConnectionType = TheIniFile.GetINIKeyValueStr("Database Server","Connection Type","OLEDB",10,ROiniPath);
// strConnectionType = strConnectionType.ToUpper();
// if (strConnectionType.Equals("OLEDB"))
// dbConnectionType = (int)CONNTYPE.OLEDB;
// else if (strConnectionType.Equals("ODBC"))
// {
// dbConnectionType = (int)CONNTYPE.ODBC;
// dbODBC_DNS = TheIniFile.GetINIKeyValueStr("Database Server","DNS","",10,ROiniPath);
// }
// Get the database Provider name - default to Access
IniReader in1 = new IniReader(ROiniPath);
strServerProvider = in1.ReadString("Database Server","Driver","ACCESS");
strServerProvider = strServerProvider.ToUpper();
if (strServerProvider.Equals("SQL SERVER"))
dbProviderType = (int)DB_PROVIDER.SQL_SERVER;
else if (strServerProvider.Equals("ORACLE"))
dbProviderType = (int)DB_PROVIDER.ORACLE;
else // default to ACCESS
dbProviderType = (int)DB_PROVIDER.ACCESS;
// Get the database server path
dbServerPath = in1.ReadString("Database Server", "Path", ROdir);
dbServerUserName = in1.ReadString("Database Server", "UserID", "");
dbServerPassword = in1.ReadString("Database Server", "Password", "");
if (dbProviderType.Equals((int)DB_PROVIDER.ACCESS))
{
if (dbServerUserName.Equals(""))
dbServerUserName = "Admin"; // default user name for Access
}
else if (dbServerUserName.Equals("") || (dbServerUserName.Length>0 && dbServerPassword.Equals("")))
{
userpass pwdlg = new userpass(dbServerUserName);
// If using SQL Server or Oracle
// prompt for a user name and password.
pwdlg.Text = strServerProvider + pwdlg.Text;
if (pwdlg.ShowDialog() == DialogResult.OK)
{
dbServerUserName = pwdlg.uname;
dbServerPassword = pwdlg.pword;
}
else
{
dbServerUserName = "";
dbServerPassword = "";
}
}
}
public void BuildConnectionString(string DataConnectionPath)
{
GetDbServerInfo(DataConnectionPath);
// if (dbConnectionType.Equals(CONNTYPE.OLEDB))
// {
if (dbProviderType.Equals((int)DB_PROVIDER.SQL_SERVER))
{
/*
* Connect to SQL-server using OLEDB
*/
// !!!!! do we need the Workstation ID? if so, we need to pass this in too!
// - don't seem to need Workstation ID - jsj 1/6/04
// strSQLOLEDBconn = "Provider=SQLOLEDB;Persist Security Info=False;User ID=sa;Initial Catalog=RO;Data Source=DELL-W2K-SERVER\\SQL2000;Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Workstation ID=KATHY;Use Encryption for Data=False;Tag with column collation when possible=False";
// strDatabaseConnectionCommand = "Provider=SQLOLEDB;Persist Security Info=False;User ID="+dbServerUserName+";Password="+dbServerPassword+";Initial Catalog=RO;Data Source=" + dbServerPath + ";Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Use Encryption for Data=False;Tag with column collation when possible=False";
strDatabaseConnectionCommand = "Provider=SQLOLEDB;Persist Security Info=False;User ID="+dbServerUserName+";Password="+dbServerPassword+";Initial Catalog=VEPROMS RO;Data Source="+dbServerPath+";Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Use Encryption for Data=False;Tag with column collation when possible=False";
}
else if (dbProviderType.Equals((int)DB_PROVIDER.ORACLE))
{
// Don't know if this connect string will work or not on Oracle
// we need to test this with an Oracle Database Server
// Note that this is the same connection string used for SQL Server
// BUT the provider is different!
strDatabaseConnectionCommand = "Provider=MSDAORA;Persist Security Info=False;User ID="+dbServerUserName+";Password="+dbServerPassword+";Initial Catalog=VEPROMS RO;Data Source="+dbServerPath+";Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Use Encryption for Data=False;Tag with column collation when possible=False";
}
else
{
/*
* Connect to MSAccess using OLEDB directly
*/
// strAccOLEDBconn = "Provider=Microsoft.Jet.OLEDB.4.0;Password=\"\";User ID=Admin;Data Source=I:\\RO Design\\RO\\ROMaster.mdb;Mode=Share Deny None;Extended Properties=\"\";Jet OLEDB:System database=\"\";Jet OLEDB:Registry Path=\"\";Jet OLEDB:Database Password=\"\";Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password=\"\";Jet OLEDB:Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=False";
// strAccOLEDBconn = "Provider=Microsoft.Jet.OLEDB.4.0;Password=\"\";User ID=Admin;Data Source=" + DataConnectionPath +"\\ROMaster.mdb;Mode=Share Deny None;Extended Properties=\"\";Jet OLEDB:System database=\"\";Jet OLEDB:Registry Path=\"\";Jet OLEDB:Database Password=\"\";Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password=\"\";Jet OLEDB:Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=False";
strDatabaseConnectionCommand = "Provider=Microsoft.Jet.OLEDB.4.0;Password=\"\";User ID=Admin;Data Source=" + DataConnectionPath +"\\ROMaster.mdb;Mode=Share Deny None;Extended Properties=\"\";Jet OLEDB:System database=\"\";Jet OLEDB:Registry Path=\"\";Jet OLEDB:Database Password=\"\";Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password=\"\";Jet OLEDB:Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=False";
}
// }
// else // ODBC connection
// {
// if (dbODBC_DNS.Length > 0)
// {
//
// /*
// * Connect to MSAccess using OLEDB and ODBC DSN
// */
//
// // strAccODBCconn = "Provider=MSDASQL.1;Persist Security Info=False;Data Source=Access for RO;Extended Properties=\"DSN=Access for RO;DBQ=I:\\RO Design\\RO\\ROMaster.mdb;DriverId=25;FIL=MS Access;MaxBufferSize=2048;PageTimeout=5;\"";
//
// // strAccODBCconn = "Provider=MSDASQL.1;Persist Security Info=False;Data Source=Access for RO;Extended Properties=\"DSN=Access for RO;DBQ=" + DataConnectionPath + "\\ROMaster.mdb;DriverId=25;FIL=MS Access;MaxBufferSize=2048;PageTimeout=5;\"";
// strDatabaseConnectionCommand = "Provider=MSDASQL.1;Persist Security Info=False;Data Source=Access for RO;Extended Properties=\"DSN=Access for RO;DBQ=" + DataConnectionPath + "\\ROMaster.mdb;DriverId=25;FIL=MS Access;MaxBufferSize=2048;PageTimeout=5;\"";
// }
//
// /*
// * Connection to MSAccess using an ODBC connection
// */
// // strodbcConn = "Driver={Microsoft Access Driver (*.mdb)};DBQ=i:\\Ro Design\\RO\\ROMaster.mdb";
// strodbcConn = "Driver={Microsoft Access Driver (*.mdb)};DBQ=" + DataConnectionPath + "\\ROMaster.mdb";
//
// // Connection to SQL Server using an ODBC connection
// //strodbcConn = "Driver={SQL Server};Server=DELL-W2K-SERVER\\SQL2000;UID=sa;Database=ROMaster";
//
// //SQL - DSN - worked: string strodbcConn = "DSN=SQL RO;UID=sa";
// //Initial odbc tests on strodbcconn
// }
}
// get the next table name & update it to the next possible.
public string RODB_GetNextGroupTable()
{
// read record type of master for this table. This is where the highest recid is stored.
// Update the recid by 1, write it out and return the new recid.
string strGetNxt = "SELECT Info FROM ROMaster where RecID = '00000001' and RecType=" + (uint)RecordType.Master;
string rettable=null;
try
{
DBE.Command(strGetNxt);
DBE.Reader();
if (DBE.Read())
{
rettable = DBE.GetString(0);
string nxttable = rettable.Substring(2,6);
int ltbl = System.Convert.ToInt32(nxttable,10);
ltbl++;
nxttable = ltbl.ToString("d6"); // this format "d6" should pad left with zeros
string newstr = "RO" + nxttable;
DBE.ReaderClose();
DBE.CommandDispose();
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
string strUpdate = "UPDATE ROMaster SET Info = '" + newstr + "'";
strUpdate = strUpdate + ", ModDateTime = '" + dt + "' WHERE RecID = '00000001' and RecType=" + (uint)RecordType.Master;
DBE.Command(strUpdate);
DBE.Reader();
DBE.ReaderClose();
DBE.CommandDispose();
return rettable;
}
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Getting new record id");
}
return null;
}
// get the next recid for this table & update it.
public string RODB_GetNextRecId(string table)
{
// read record type of master for this table. This is where the highest recid is stored.
// Update the recid by 1, write it out and return the new recid.
string strGetNxt = "SELECT Info FROM " + table + " where RecID = '00000000' and RecType=" + (uint)RecordType.Master;
try
{
DBE.Command(strGetNxt);
DBE.Reader();
if (DBE.Read())
{
string RecID = DBE.GetString(0);
int lrecid = System.Convert.ToInt32(RecID,16);
lrecid++;
RecID = lrecid.ToString("x");
// need an 8 char string so pad left with zero
string padstr = RecID.PadLeft(8,'0');
DBE.ReaderClose();
DBE.CommandDispose();
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
string strUpdate = "UPDATE " + table + " SET Info = '" + padstr + "'";
strUpdate = strUpdate + ", ModDateTime = '" + dt + "' WHERE RecID = '00000000' and RecType=" + (uint)RecordType.Master;
DBE.Command(strUpdate);
DBE.Reader();
DBE.ReaderClose();
DBE.CommandDispose();
return padstr;
}
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Getting new record id");
}
return null;
}
public VlnXmlDocument RODB_GetRoot()
{
// Create an xmldoc and initialize it with a root node
ROXml = new VlnXmlDocument();
XmlNode elem=ROXml.CreateNode(XmlNodeType.Element, "RO_Root", "");
ROXml.AppendChild(elem);
return ROXml;
}
// pass in root node. This will get Groups from Root node. This is a special case because
// the list of top level groups is off of the ROMaster database.
public bool RODB_GetRootGroups(VlnXmlElement root)
{
string table;
string group;
string title;
// Get menu fields to display
try
{
DBE.OpenConnection();
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Could not open database connection");
// MessageBox.Show(e.StackTrace,"Debug");
return false;
}
string strGetGroups = "SELECT RecID,Info FROM ROMaster where RecType = " + (uint) RecordType.SubDatabase;
strGetGroups += " ORDER BY RecID ASC";
DBE.Command(strGetGroups);
DBE.Reader();
SortedList mySL = new SortedList();
while(DBE.Read())
{
// Parse info string, it has group name & table name. Store in a sorted
// list, sorting by Group Name.
string mrecid = DBE.GetString(0);
group = DBE.GetString(1);
mySL.Add(mrecid,group);
}
DBE.CommandDispose();
DBE.ReaderClose();
// Now, for each group, i.e. table, make xml elements for the top level groups by
// reading in the Xml Element for the group from each table.
for ( int i = 0; i < mySL.Count; i++ )
{
group = mySL.GetByIndex(i).ToString();
int grnamindx = group.IndexOf("\t");
if (grnamindx == -1)
{// no tab, default to RO000001
table = "RO000001";
title = group;
}
else
{
StringBuilder tablesb = new StringBuilder(70);
tablesb.Append(group);
tablesb.Remove(0,grnamindx+1);
table = tablesb.ToString();
title = group.Substring(0,grnamindx);
}
strGetGroups = "SELECT RecID,Info FROM " + table + " where RecType = " + (uint) RecordType.Group;
strGetGroups = strGetGroups + " and ParentID = '00000000'";
strGetGroups += " ORDER BY RecID ASC";
try
{
DBE.Command(strGetGroups);
DBE.Reader();
if(DBE.Read())
{
string RecID = DBE.GetString(0);
string Info = DBE.GetString(1);
XmlTextReader rdr = new XmlTextReader(Info, XmlNodeType.Element, null);
XmlNode nd = ROXml.ReadNode(rdr);
VlnXmlElement elem = (VlnXmlElement)nd;
root.AppendChild(elem);
elem.SetAttribute("RecID", RecID);
elem.SetAttribute("ParentID","00000000");
elem.SetAttribute("Table", table);
elem.SetAttribute("MasterRecID", mySL.GetKey(i).ToString());
//elem.SetAttribute("MenuTitle", elem.InnerText);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error getting group data");
// try to continue on with the next group - may be one missing table.
}
DBE.CommandDispose();
DBE.ReaderClose();
}
// get child count for each group.
XmlNode node = root.FirstChild;
while (node != null)
{
if (node is VlnXmlElement)
{
VlnXmlElement child = (VlnXmlElement) node;
//get child count for each table listed in innertext.
string strGetSubCount = "SELECT COUNT (RecID) as cnt FROM " + child.GetAttribute("Table") + " WHERE ";
strGetSubCount = strGetSubCount + "ParentID='" + child.GetAttribute("RecID") + "'";
try
{
DBE.Command(strGetSubCount);
DBE.Reader();
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error reading RO Data");
return false;
}
if (DBE.Read())
{
int cnt = DBE.GetInt32(0);
if (cnt>0)
child.SetAttribute("HasChild","True");
else
child.SetAttribute("HasChild","False");
child.SetAttribute("ChildLoaded","False");
}
DBE.CommandDispose();
DBE.ReaderClose();
}
node = node.NextSibling;
}
// for the beginning and end schema element, go to the master & read it from there. Store these to be used
// by all of the databases.
string strGetSchemaPiece;
schemastart = null;
strGetSchemaPiece = "SELECT Info From ROMaster where (ParentID='00000000' and RecType = " + (uint) RecordType.SchemaStart + ")";
DBE.Command(strGetSchemaPiece);
DBE.Reader();
if (DBE.Read())
schemastart = DBE.GetString(0);
else
{
DBE.CommandDispose();
DBE.ReaderClose();
return false;
}
DBE.CommandDispose();
DBE.ReaderClose();
schemaend = null;
strGetSchemaPiece = "SELECT Info From ROMaster where (ParentID='00000000' and RecType = " + (uint) RecordType.SchemaEnd + ")";
DBE.Command(strGetSchemaPiece);
DBE.Reader();
if (DBE.Read())
schemaend = DBE.GetString(0);
else
{
DBE.CommandDispose();
DBE.ReaderClose();
return false;
}
DBE.CommandDispose();
DBE.ReaderClose();
return true;
}
public bool RODB_DeleteGroup(XmlNode group, string tbname, string toprecid)
{
VlnXmlElement egroup = null;
string strDel;
strDel = "DELETE FROM ROMaster WHERE ";
// delete table entry in ROMaster
if (group !=null)
{
egroup = (VlnXmlElement) group;
strDel = strDel + "RecID='" + egroup.GetAttribute("MasterRecID") + "'";
}
else
strDel = strDel + "RecID='" + toprecid + "'";
try
{
DBE.Command(strDel);
DBE.Reader();
DBE.Read();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error When deleting SubGroup ROs.");
DBE.CommandDispose();
DBE.ReaderClose();
return false;
}
DBE.CommandDispose();
DBE.ReaderClose();
// now remove the table.
if (egroup != null)
strDel = "DROP TABLE " + egroup.GetAttribute("Table");
else
strDel = "DROP TABLE " + tbname;
try
{
DBE.Command(strDel);
DBE.Reader();
DBE.Read();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error When deleting SubGroup ROs.");
DBE.CommandDispose();
DBE.ReaderClose();
return false;
}
DBE.CommandDispose();
DBE.ReaderClose();
return true;
}
// Delete from database either the group or RO from input node.
public bool RODB_DeleteRO(XmlNode group)
{
// delete from database and then delete from tree. delete group and all
// subgroups & ros beneath it. delete subgroups by calling this.
// note that if just an ro is passed in, it will only delete it.
XmlNode node = group.FirstChild;
VlnXmlElement child;
VlnXmlElement egroup = (VlnXmlElement) group;
string strDelSub;
if (group.Name == "vlnGroup")
{
while (node != null)
{
if (node is VlnXmlElement)
{
child = (VlnXmlElement) node;
// if this is a group, call this again.
if (child.Name == "vlnGroup")
{
bool success = RODB_DeleteRO(node);
if (success == false)
{
MessageBox.Show("error in RODB_DeleteGroup");
return false;
}
}
}
node = node.NextSibling;
}
// delete all db records that have the ParentID = to this group RecID.
// (All subgroups should be processed from above recursion.
strDelSub = "DELETE FROM " + egroup.GetAttribute("Table") + " WHERE ";
strDelSub = strDelSub + "ParentID='" + egroup.GetAttribute("RecID") + "'";
try
{
DBE.Command(strDelSub);
DBE.Reader();
DBE.Read();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error When deleting SubGroup ROs.");
DBE.CommandDispose();
DBE.ReaderClose();
return false;
}
DBE.CommandDispose();
DBE.ReaderClose();
}
// now delete this ro or group, i.e. the one passed in.
strDelSub = "DELETE FROM " + egroup.GetAttribute("Table") + " WHERE ";
strDelSub = strDelSub + "RecID='" + egroup.GetAttribute("RecID") + "'";
try
{
DBE.Command(strDelSub);
DBE.Reader();
DBE.Read();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error When deleting this RO.");
DBE.CommandDispose();
DBE.ReaderClose();
return false;
}
DBE.CommandDispose();
DBE.ReaderClose();
return true;
}
private string GenerateXmlString(XmlNode node, bool isgroup)
{
string retstr;
XmlTextWriter xmlTextWriter;
StringWriter strWriter = new StringWriter();
xmlTextWriter = new XmlTextWriter(strWriter);
VlnXmlElement enode;
XmlNode kid;
kid = node.FirstChild;
enode = (VlnXmlElement) node;
if (isgroup == true)
{
xmlTextWriter.WriteStartElement("vlnGroup");
if (enode.HasAttribute("RetVal"))
{
xmlTextWriter.WriteStartAttribute("RetVal", null);
xmlTextWriter.WriteString(enode.GetAttribute("RetVal"));
xmlTextWriter.WriteEndAttribute();
}
if (enode.HasAttribute("MenuItem"))
{
xmlTextWriter.WriteStartAttribute("MenuItem", null);
xmlTextWriter.WriteString(enode.GetAttribute("MenuItem"));
xmlTextWriter.WriteEndAttribute();
}
if (enode.HasAttribute("FieldsInUse"))
{
xmlTextWriter.WriteStartAttribute("FieldsInUse", null);
xmlTextWriter.WriteString(enode.GetAttribute("FieldsInUse"));
xmlTextWriter.WriteEndAttribute();
}
if (enode.HasAttribute("GroupMenuItem"))
{
xmlTextWriter.WriteStartAttribute("GroupMenuItem", null);
xmlTextWriter.WriteString(enode.GetAttribute("GroupMenuItem"));
xmlTextWriter.WriteEndAttribute();
}
if (enode.HasAttribute("GroupFieldsInUse"))
{
xmlTextWriter.WriteStartAttribute("GroupFieldsInUse", null);
xmlTextWriter.WriteString(enode.GetAttribute("GroupFieldsInUse"));
xmlTextWriter.WriteEndAttribute();
}
if (enode.HasAttribute("AccPageID"))
{
xmlTextWriter.WriteStartAttribute("AccPageID", null);
xmlTextWriter.WriteString(enode.GetAttribute("AccPageID"));
xmlTextWriter.WriteEndAttribute();
}
if (enode.HasAttribute("AccPageIDPrefix"))
{
xmlTextWriter.WriteStartAttribute("AccPageIDPrefix", null);
xmlTextWriter.WriteString(enode.GetAttribute("AccPageIDPrefix"));
xmlTextWriter.WriteEndAttribute();
}
xmlTextWriter.WriteStartAttribute("MenuTitle", null);
xmlTextWriter.WriteString(enode.GetAttribute("MenuTitle"));
xmlTextWriter.WriteEndAttribute();
while (kid != null)
{
if ((kid is XmlText) || (kid.ChildNodes.Count == 1 && kid.Name != "vlnGroup"))
kid.WriteTo(xmlTextWriter);
kid = kid.NextSibling;
}
}
else
{
xmlTextWriter.WriteStartElement(node.Name);
xmlTextWriter.WriteStartAttribute("MenuTitle", null);
xmlTextWriter.WriteString(enode.GetAttribute("MenuTitle"));
xmlTextWriter.WriteEndAttribute();
while (kid != null)
{
kid.WriteTo(xmlTextWriter);
kid = kid.NextSibling;
}
}
xmlTextWriter.WriteEndElement(); // vlnGroup or top of RO.
xmlTextWriter.Flush();
xmlTextWriter.Close();
retstr = strWriter.ToString();
// replace the single quote because ODBC fails if it's in a string because
// the single quote represents the beg/end of string when sending string to
// ODBC.
retstr = retstr.Replace("\'","&apos;");
return(retstr);
}
public bool RODB_WriteGroup(XmlNode group, VlnXmlElement master)
{
bool retval = true;
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
string xmlstr = GenerateXmlString(group, true);
string strUpdate = "UPDATE " + master.GetAttribute("Table") + " SET Info = '" + xmlstr + "'";
strUpdate = strUpdate + ", ModDateTime = '" + dt + "' WHERE RecID='" + master.GetAttribute("RecID") + "'";
try
{
DBE.Command(strUpdate);
DBE.Reader();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error on write group");
retval = false;
}
DBE.ReaderClose();
DBE.CommandDispose();
return retval;
}
public bool RODB_InsertGroup(VlnXmlElement group)
{
bool retval = true;
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
string xmlstr = GenerateXmlString(group, true);
string strInsert = "INSERT INTO " + group.GetAttribute("Table") + "(RecID, RecType, ParentID, ModDateTime, Info) ";
strInsert = strInsert + " VALUES ('" + group.GetAttribute("RecID") + "'," + (uint) RecordType.Group + ",'";
strInsert = strInsert + group.GetAttribute("ParentID") + "','" + dt + "','" + xmlstr + "');";
try
{
DBE.Command(strInsert);
DBE.Reader();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error on insert group");
retval = false;
}
DBE.ReaderClose();
DBE.CommandDispose();
return retval;
}
// add a new database table, add a record to master to point to it. return
// that record number.
public string RODB_AddNewTable(string TblName, string newgrpname)
{
bool retval = false;
// create the table. this is done by doing a select into the new table
// from the RoMaster because using the create table command didn't have
// a datatype that was compatible between sql & ms-access (for the memo
// field 'Info').
string strMkTable = "SELECT * INTO " + TblName;
strMkTable = strMkTable + " FROM ROMaster WHERE RecID = '00000000';";
try
{
DBE.Command(strMkTable);
DBE.Reader();
retval = true;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error creating table.");
}
DBE.ReaderClose();
DBE.CommandDispose();
// return if error on table create.
if (retval == false) return null;
// remove the first record. It was inserted just to have something to copy to
// create the table. (see previous comment)
string strDel = "DELETE FROM " + TblName + " WHERE RecID = '00000000'";
try
{
DBE.Command(strDel);
DBE.Reader();
DBE.Read();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error When deleting SubGroup ROs.");
DBE.CommandDispose();
DBE.ReaderClose();
return null;
}
DBE.CommandDispose();
DBE.ReaderClose();
// now insert the first record
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
string strInsert = "INSERT INTO " + TblName + "( RecID, RecType, ParentID, ModDateTime, Info ) ";
strInsert = strInsert + " VALUES ('00000000', 0,'00000000','" + dt + "','00000001');";
retval = false;
try
{
DBE.Command(strInsert);
DBE.Reader();
retval=true;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error creating table.");
}
DBE.ReaderClose();
DBE.CommandDispose();
// return if error on insert of master record of new table, otherwise add
// this table reference to the master.
if (retval == false) return null;
string recid = RODB_GetNextRecId("ROMaster");
string info = CvtUserFldToFld(newgrpname) + "\t" + TblName;
strInsert = "INSERT INTO ROMaster ( RecID, RecType, ParentID, ModDateTime, Info ) ";
strInsert = strInsert + " VALUES ('"+recid+"', 1,'00000001','" + dt + "','"+info+"');";
retval = false;
try
{
DBE.Command(strInsert);
DBE.Reader();
retval=true;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error writing new table to master.");
}
DBE.ReaderClose();
DBE.CommandDispose();
if (retval == false)
return null;
else
return recid;
}
// Copy over field definitions from the ROMaster to the input table.
public bool RODB_CopyFieldDefs(string fromtb, string totb, int type)
{
ArrayList retlist = new ArrayList();
string strGetFields;
string Info;
string RecID;
string name;
uint ftype;
ROField rof;
bool success;
// select all of the field definition records in this table.
strGetFields = "SELECT RecID, Info from ROMaster where RecType = 2";
DBE.Command(strGetFields);
DBE.Reader();
while (DBE.Read())
{
RecID = DBE.GetString(0);
Info = DBE.GetString(1);
// it's defined in the local table if the first character is "<" which starts
// the schema definition string.
name = ParseEleName(Info);
if (name != null)
{
// what type of schema element?
rof = new ROField(name, RecID, null, 0);
ftype = rof.ParseFieldType(Info);
rof.SetFieldType(ftype);
retlist.Add((object) rof);
}
}
DBE.ReaderClose();
DBE.CommandDispose();
// using this list, add new records for field defintion references to the new
// table.
for (int i=0; i< retlist.Count; i++)
{
rof = (ROField) retlist[i];
if (rof.GetFieldname != null)
{
string mrecid = rof.GetRecID;
string lrecid = RODB_GetNextRecId(totb);
StringBuilder strbld = new StringBuilder();
strbld.Append(mrecid);
strbld.Append(" ");
string strtype = rof.GetFieldType.ToString();
strbld.Append(strtype.PadLeft(3,'0'));
strbld.Append(" ");
if (strtype == "128") // append an 'a' for combo type
strbld.Append(rof.MakeFieldName(rof.GetFieldname)+"a");
else
strbld.Append(rof.MakeFieldName(rof.GetFieldname));
// add new field.
success = RODB_NewSchemaPiece(lrecid, "00000002", totb, strbld.ToString(), 2);
if (success == false) return false;
}
}
return true;
}
// This is simular to GetChildData() but this function reads in
// all the subgroups for the given node
// Note that this function is designed to be call for the
// root node (i.e. it gets all of group and RO data for a given
// database table)
public bool RODB_GetGroupAndSubgroups(VlnXmlElement node)
{
VlnStatusBar StatBar = new VlnStatusBar("Reading from the Database");
string tablename = node.GetAttribute("Table");
string strGetChildData = "SELECT * FROM " + tablename;
strGetChildData = strGetChildData + " where (RecType = 3 or RecType = 5) AND ParentID <> '00000002' ORDER BY ParentID,RecID ASC";
HybridDictionary dicGroups = new HybridDictionary();
dicGroups.Add(node.GetAttribute("RecID").ToString(), node);
StatBar.BarMax = RODB_GetNumberOfGroupRecords(tablename); //get number of groups
StatBar.BarStepValue = 5;
StatBar.StatMsg = node.InnerText;
DBE.Command(strGetChildData);
DBE.Reader();
// skip the first record - it's the node that we passed in
if (!DBE.Read())
{
DBE.ReaderClose();
StatBar.PerformStep(1);
return false;
}
while (DBE.Read())
{
string RecID = DBE.GetString(0);
int RecType = DBE.GetInt32(1);
string ParID = DBE.GetString(2);
string AccPageID = DBE.GetString(3);
string Info = DBE.GetString(5);
if (!ParID.Equals(node.GetAttribute("RecID")))
{
if (!dicGroups.Contains(ParID))
{
string strMBText = "The following record is being skipped. The parent for this RO is missing:\n\n RecID: " + RecID + "\n\n Table: " + tablename +"\n";
MessageBox.Show(strMBText, "Warning - Orphan RO Record");
continue; // skip - no parent for this node
}
node = (VlnXmlElement)dicGroups[ParID];
node.SetAttribute("HasChild", "True");
node.SetAttribute("ChildLoaded","True");
}
else
{
node.SetAttribute("ChildLoaded","True");
}
if (RecType == (uint) RecordType.Group)
{
VlnXmlElement elem;
StatBar.PerformStep();
try
{
XmlTextReader rdr = new XmlTextReader(Info, XmlNodeType.Element, null);
XmlNode nd = ROXml.ReadNode(rdr);
elem = (VlnXmlElement)nd;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error reading Xml Group From data");
DBE.ReaderClose();
return false;
}
elem.SetAttribute("RecID", RecID);
elem.SetAttribute("ParentID",node.GetAttribute("RecID"));
elem.SetAttribute("Table", node.GetAttribute("Table"));
if (!dicGroups.Contains(RecID))
{
node.AppendChild(elem);
dicGroups.Add(RecID,elem);
}
// The Parameter Display Data is stored along with the group. This data
// was migrated over so that the data was not lost, but there is no
// User Interface to get to it. So remove the xml elements from the
// group part of tree. All valid group data only has one sublevel of
// data defining the group name.
XmlNode grp = (XmlNode) elem;
XmlNode kid = grp.FirstChild;
XmlNode tmpkid;
while (kid != null)
{
tmpkid = kid.NextSibling;
if (kid is VlnXmlElement)
if (kid.ChildNodes.Count>1) grp.RemoveChild(kid);
kid = tmpkid;
}
}
// Store data in the VlnXmlElement as an RO
else if (RecType == (uint) RecordType.RRO)
{
//Create the reader.
XmlNode ro;
try
{
XmlTextReader roreader = new XmlTextReader(Info, XmlNodeType.Element, null);
ro = ROXml.ReadNode(roreader);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error reading Xml RRO From data");
DBE.ReaderClose();
return false;
}
VlnXmlElement elem = (VlnXmlElement) ro;
node.AppendChild(ro);
elem.SetAttribute("RecID", RecID);
elem.SetAttribute("ParentID",node.GetAttribute("RecID"));
elem.SetAttribute("Table", node.GetAttribute("Table"));
elem.SetAttribute("AccPageID", AccPageID);
}
}
DBE.ReaderClose();
dicGroups = null;
StatBar.Dispose();
return true;
}
public bool RODB_GetChildData(VlnXmlElement node,bool CheckChildCount)
{
// get menu fields to display here.
string tablename = node.GetAttribute("Table");
string strGetChildData = "SELECT RecID,RecType,AccPageID, Info FROM " + tablename + " where ";
strGetChildData = strGetChildData + "(RecType = " + (uint)RecordType.Group + " or RecType = ";
strGetChildData = strGetChildData + (uint)RecordType.RRO + ") and ";
strGetChildData = strGetChildData + "ParentID='" + node.GetAttribute("RecID") + "'";
strGetChildData += " ORDER BY RecID ASC";
//bool readit=false;
DBE.Command(strGetChildData);
DBE.Reader();
while (DBE.Read())
{
//get count for attribute element
string RecID = DBE.GetString(0);
int RecType = DBE.GetInt32(1);
string AccPageID = DBE.GetString(2);
string Info = DBE.GetString(3);
node.SetAttribute("HasChild", "True");
// Store data in the VlnXmlElement as a subgroup
if (RecType == (uint) RecordType.Group)
{
VlnXmlElement elem;
try
{
XmlTextReader rdr = new XmlTextReader(Info, XmlNodeType.Element, null);
XmlNode nd = ROXml.ReadNode(rdr);
elem = (VlnXmlElement)nd;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error reading Xml Group From data");
DBE.ReaderClose();
return false;
}
node.AppendChild(elem);
elem.SetAttribute("RecID", RecID);
elem.SetAttribute("ParentID",node.GetAttribute("RecID"));
elem.SetAttribute("Table", node.GetAttribute("Table"));
// The Parameter Display Data is stored along with the group. This data
// was migrated over so that the data was not lost, but there is no
// User Interface to get to it. So remove the xml elements from the
// group part of tree. All valid group data only has one sublevel of
// data defining the group name.
XmlNode grp = (XmlNode) elem;
XmlNode kid = grp.FirstChild;
XmlNode tmpkid;
while (kid != null)
{
tmpkid = kid.NextSibling;
if (kid is VlnXmlElement)
if (kid.ChildNodes.Count>1) grp.RemoveChild(kid);
kid = tmpkid;
}
}
// Store data in the VlnXmlElement as an RO
else if (RecType == (uint) RecordType.RRO)
{
//Create the reader.
XmlNode ro;
try
{
XmlTextReader roreader = new XmlTextReader(Info, XmlNodeType.Element, null);
ro = ROXml.ReadNode(roreader);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error reading Xml RRO From data");
DBE.ReaderClose();
return false;
}
VlnXmlElement elem = (VlnXmlElement) ro;
node.AppendChild(ro);
elem.SetAttribute("RecID", RecID);
elem.SetAttribute("ParentID",node.GetAttribute("RecID"));
elem.SetAttribute("Table", node.GetAttribute("Table"));
elem.SetAttribute("AccPageID", AccPageID);
}
}
DBE.ReaderClose();
// get child count for each subgroup.
if(CheckChildCount)
{
//A different approach - Look for grandchildren and set the haschildren attribute
//Build a query to get a list of children with children
string strGetSubCount = "SELECT R1.ParentID,COUNT(*) AS CNT FROM " + tablename + " R1 "
+ "INNER JOIN " + tablename + " R2 ON R1.ParentID = R2.RecID "
+ "WHERE (R1.RecType = " + (uint)RecordType.Group + " or R1.RecType=" + (uint)RecordType.RRO + ") "
+ "and R2.ParentID ='" + node.GetAttribute("RecID") + "' group by R1.ParentID;";
try
{
DBE.Command(strGetSubCount);
DBE.Reader();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error reading data");
}
//Build a Dictionary of Children with Children from the query results
HybridDictionary dicChild = new HybridDictionary();
while(DBE.Read())
dicChild[DBE.GetString(0)]=DBE.GetInt32(1);//This adds the entry and sets the value
DBE.CommandDispose();
DBE.ReaderClose();
XmlNode child = node.FirstChild;
while (child != null) //Look at each child node
{
if (child is VlnXmlElement)
{
VlnXmlElement echild = (VlnXmlElement) child;
if (echild.Name == "vlnGroup")
{
//If the dictionary contains an entry, the child has children
echild.SetAttribute("HasChild",(dicChild.Contains(echild.GetAttribute("RecID")))?"True":"False");
echild.SetAttribute("ChildLoaded", "False");
}
}
child = child.NextSibling;
}
dicChild=null;
}
node.SetAttribute("ChildLoaded","True");
return true;
}
// public bool OLD_RODB_GetChildData(VlnXmlElement node,bool CheckChildCount)
// {
// Profiler.Start("GCD_1");
// // get menu fields to display here.
// string tablename = node.GetAttribute("Table");
// string strGetChildData = "SELECT RecID,RecType,AccPageID, Info FROM " + tablename + " where ";
// strGetChildData = strGetChildData + "(RecType = " + (uint)RecordType.Group + " or RecType = ";
// strGetChildData = strGetChildData + (uint)RecordType.RRO + ") and ";
// strGetChildData = strGetChildData + "ParentID='" + node.GetAttribute("RecID") + "'";
// strGetChildData += " ORDER BY RecID ASC";
// Profiler.End("GCD_1");
// //bool readit=false;
// Profiler.Start("GCD_2");
// DBE.Command(strGetChildData);
// Profiler.End("GCD_2");
// Profiler.Start("GCD_3");
// DBE.Reader();
// Profiler.End("GCD_3");
// Profiler.Start("GCD_4");
// while (DBE.Read())
// {
// //get count for attribute element
// string RecID = DBE.GetString(0);
// int RecType = DBE.GetInt32(1);
// string AccPageID = DBE.GetString(2);
// string Info = DBE.GetString(3);
// node.SetAttribute("HasChild", "True");
// // Store data in the VlnXmlElement as a subgroup
// if (RecType == (uint) RecordType.Group)
// {
// VlnXmlElement elem;
// try
// {
// XmlTextReader rdr = new XmlTextReader(Info, XmlNodeType.Element, null);
// XmlNode nd = ROXml.ReadNode(rdr);
// elem = (VlnXmlElement)nd;
// }
// catch (Exception e)
// {
// MessageBox.Show(e.Message, "Error reading Xml Group From data");
// DBE.ReaderClose();
// return false;
// }
// node.AppendChild(elem);
// elem.SetAttribute("RecID", RecID);
// elem.SetAttribute("ParentID",node.GetAttribute("RecID"));
// elem.SetAttribute("Table", node.GetAttribute("Table"));
//
// // The Parameter Display Data is stored along with the group. This data
// // was migrated over so that the data was not lost, but there is no
// // User Interface to get to it. So remove the xml elements from the
// // group part of tree. All valid group data only has one sublevel of
// // data defining the group name.
// XmlNode grp = (XmlNode) elem;
// XmlNode kid = grp.FirstChild;
// XmlNode tmpkid;
// while (kid != null)
// {
// tmpkid = kid.NextSibling;
// if (kid is VlnXmlElement)
// if (kid.ChildNodes.Count>1) grp.RemoveChild(kid);
// kid = tmpkid;
// }
// }
//
// // Store data in the VlnXmlElement as an RO
// else if (RecType == (uint) RecordType.RRO)
// {
// //Create the reader.
// XmlNode ro;
// try
// {
// XmlTextReader roreader = new XmlTextReader(Info, XmlNodeType.Element, null);
// ro = ROXml.ReadNode(roreader);
// }
// catch (Exception e)
// {
// MessageBox.Show(e.Message, "Error reading Xml RRO From data");
// DBE.ReaderClose();
// return false;
// }
//
//
// VlnXmlElement elem = (VlnXmlElement) ro;
// node.AppendChild(ro);
// elem.SetAttribute("RecID", RecID);
// elem.SetAttribute("ParentID",node.GetAttribute("RecID"));
// elem.SetAttribute("Table", node.GetAttribute("Table"));
// elem.SetAttribute("AccPageID", AccPageID);
// }
// }
// Profiler.End("GCD_4");
// Profiler.Start("GCD_5");
// DBE.ReaderClose();
//
// if (CheckChildCount)
// {
// // get child count for each subgroup.
// XmlNode child = node.FirstChild;
// // while (child != null && CheckChildCount)
// while (child != null)
// {
// if (child is VlnXmlElement)
// {
// VlnXmlElement echild = (VlnXmlElement) child;
// if (echild.Name == "vlnGroup")
// {
// //get child count for each table listed in innertext.
// string strGetSubCount = "SELECT COUNT(RecID) AS CNT FROM " + echild.GetAttribute("Table") + " WHERE ";
// strGetSubCount = strGetSubCount + "(RecType = " + (uint)RecordType.Group + " or RecType=" + (uint)RecordType.RRO + ")";
// strGetSubCount = strGetSubCount + " and ParentID='" + echild.GetAttribute("RecID") + "'";
// try
// {
// DBE.Command(strGetSubCount);
// DBE.Reader();
// }
// catch (Exception e)
// {
// MessageBox.Show(e.Message,"Error reading data");
// }
// if (DBE.Read())
// {
// int cnt = DBE.GetInt32(0);
// if (cnt>0)
// echild.SetAttribute("HasChild","True");
// else
// echild.SetAttribute("HasChild","False");
// echild.SetAttribute("ChildLoaded", "False");
// }
// DBE.CommandDispose();
// DBE.ReaderClose();
// }
// }
// child = child.NextSibling;
// }
// }
// node.SetAttribute("ChildLoaded","True");
// Profiler.End("GCD_5");
// return true;
// }
public bool IsDuplicateAccPageID(VlnXmlElement ro,string newacc)
{
string strcheck, inacc=null;
bool isdup=false;
int indx = newacc.IndexOf("'");
if (indx >= 0)
inacc=newacc.Insert(indx,"'");
else
inacc=newacc;
strcheck = "SELECT Count(RecID) AS CNT FROM " + ro.GetAttribute("Table") + " WHERE AccPageID = '" + inacc + "'";
if (ro.HasAttribute("RecID")) // new ro's don't have recid defined yet before this test.
strcheck = strcheck + " AND (NOT RecID = '" + ro.GetAttribute("RecID") + "')";
try
{
DBE.Command(strcheck);
DBE.Reader();
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error on check");
return true;
}
if (DBE.Read())
{
int cnt = DBE.GetInt32(0);
if (cnt>0)
isdup = true;
else
isdup = false;
}
DBE.CommandDispose();
DBE.ReaderClose();
return isdup;
}
public VlnXmlElement RODB_ReadRO(string tbl, string recid)
{
VlnXmlElement retele = null;
string readstr = "SELECT ParentID, AccPageID, Info FROM " + tbl + " WHERE RecID = '" + recid + "'";
try
{
DBE.Command(readstr);
DBE.Reader();
if (DBE.Read())
{
string ParentID = DBE.GetString(0);
string AccPageID = DBE.GetString(1);
string Info = DBE.GetString(2);
// Store data in the VlnXmlElement
XmlTextReader rdr = new XmlTextReader(Info, XmlNodeType.Element, null);
XmlNode nd = ROXml.ReadNode(rdr);
retele = (VlnXmlElement)nd;
retele.SetAttribute("RecID", recid);
retele.SetAttribute("ParentID",ParentID);
retele.SetAttribute("Table", tbl);
if (retele.Name != "vlnGroup") retele.SetAttribute("AccPageID", AccPageID);
}
DBE.CommandDispose();
DBE.ReaderClose();
// if this is a group, see if children.
if (retele.Name == "vlnGroup")
{
string strGetSubCount = "SELECT COUNT (RecID) as cnt FROM " + tbl + " WHERE ";
strGetSubCount = strGetSubCount + "ParentID='" + recid + "'";
DBE.Command(strGetSubCount);
DBE.Reader();
if (DBE.Read())
{
int cnt = DBE.GetInt32(0);
if (cnt>0)
retele.SetAttribute("HasChild","True");
else
retele.SetAttribute("HasChild","False");
retele.SetAttribute("ChildLoaded","False");
}
DBE.CommandDispose();
DBE.ReaderClose();
}
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Error on Read of RO");
return null;
}
return retele;
}
public bool RODB_WriteRO(VlnXmlElement ro)
{
bool success;
if (ro.Name == "vlnGroup")
{
success = RODB_WriteGroup(ro, ro);
return success;
}
else
{
string wraccid=null;
string accid = ro.GetAttribute("AccPageID");
int quote = accid.IndexOf("'");
if (quote>=0)
wraccid = accid.Insert(quote,"'");
else
wraccid = accid;
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
string xmlstr = GenerateXmlString(ro, false);
string strUpdate = "UPDATE " + ro.GetAttribute("Table") + " SET Info = '" + xmlstr + "'";
strUpdate = strUpdate + ", ModDateTime = '" + dt + "', AccPageID = '" + wraccid + "' WHERE RecID='" + ro.GetAttribute("RecID") + "'";
try
{
DBE.Command(strUpdate);
DBE.Reader();
success = true;
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Database Write Error");
success = false;
}
DBE.ReaderClose();
DBE.CommandDispose();
}
return success;
}
public bool RODB_InsertRO(VlnXmlElement ro)
{
bool success=false;
string strInsert=null;
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
VlnXmlElement parent = (VlnXmlElement)ro.ParentNode;
string lrecid = RODB_GetNextRecId(parent.GetAttribute("Table"));
ro.SetAttribute("Table",parent.GetAttribute("Table"));
ro.SetAttribute("RecID",lrecid);
ro.SetAttribute("ParentID",parent.GetAttribute("RecID"));
string haskids = parent.GetAttribute("HasChild");
if (haskids == "False" || haskids=="")
{
parent.SetAttribute("HasChild","True");
parent.SetAttribute("ChildLoaded", "True");
}
string xmlstr = GenerateXmlString(ro, false);
string wraccid=null;
if (ro.HasAttribute("AccPageID"))
{
string accid = ro.GetAttribute("AccPageID");
int quote = accid.IndexOf("'");
if (quote>=0)
wraccid = accid.Insert(quote,"'");
else
wraccid = accid;
}
if (ro.Name == "vlnGroup")
{
// add attribute to flag that this does not have xml children, i.e. any
// other subgroups or ros under it.
ro.SetAttribute("HasChild", "False");
if (ro.HasAttribute("AccPageID"))
{
strInsert = "INSERT INTO " + parent.GetAttribute("Table") + "( RecID, RecType, ParentID, ModDateTime, AccPageID, Info ) ";
strInsert = strInsert + " VALUES ('" + ro.GetAttribute("RecID") + "'," + (uint) RecordType.Group + ",'" + ro.GetAttribute("ParentID");
strInsert = strInsert + "','" + wraccid + "','" + dt + "','" + xmlstr + "');";
}
else
{
strInsert = "INSERT INTO " + parent.GetAttribute("Table") + "( RecID, RecType, ParentID, ModDateTime, Info ) ";
strInsert = strInsert + " VALUES ('" + ro.GetAttribute("RecID") + "'," + (uint) RecordType.Group + ",'" + ro.GetAttribute("ParentID");
strInsert = strInsert + "','" + dt + "','" + xmlstr + "');";
}
}
else
{
strInsert = "INSERT INTO " + parent.GetAttribute("Table") + "( RecID, RecType, ParentID, AccPageId, ModDateTime, Info ) ";
strInsert = strInsert + " VALUES ('" + ro.GetAttribute("RecID") + "'," + (uint) RecordType.RRO + ",'" + ro.GetAttribute("ParentID");
strInsert = strInsert + "','" + wraccid + "','" + dt + "','" + xmlstr + "');";
}
try
{
DBE.Command(strInsert);
DBE.Reader();
success=true;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Database Write Error");
}
DBE.ReaderClose();
DBE.CommandDispose();
return success;
}
private string ParseEleName(string info)
{
string elemname;
// need to find element type too.
int issingle = info.IndexOf("Single");
int idx1 = info.IndexOf("element name=");
if (idx1 >0)
{
elemname=info.Substring(idx1+14,info.Length-idx1-14);
idx1 = elemname.IndexOf("\"");
elemname = CvtFldToUserFld(elemname.Substring(0,idx1));
// if we have a choice element, remove the last character (it was added to the
// field names in order to allow for unique fields names for the choice items.
if (info.IndexOf("xsd:choice") > 0)
{
string trun = elemname.Remove((elemname.Length)-1,1);
return trun;
}
return elemname;
}
return null;
}
// Given an element to start at, get the fields in use. Pass in the element you're
// on, the available list for this group & a string representing 'FieldsInUse' or
// 'GroupFieldsInUse'.
public ArrayList RODB_GetFieldsInUse(VlnXmlElement elem, ArrayList avail, string strFieldsInUse, ref string origFieldsInUse, bool RemoveFromAvailList)
{
VlnXmlElement startelem = elem;
// if doing groups, the fields in use is defined for the parent (except for the top node)
//if (useparent == true && elem.ParentNode.Name != "RO_Root")
// startelem = (VlnXmlElement) elem.ParentNode;
// if this element doesn't have any fields in use, walk up the tree until
// we find them.
string FieldsInUse="";
if (startelem.HasAttribute(strFieldsInUse) == false)
{
VlnXmlElement parent;
parent = (VlnXmlElement) startelem.ParentNode;
while (parent != null && FieldsInUse == "")
{
FieldsInUse = parent.GetAttribute(strFieldsInUse);
if (parent.Name != "RO_Root")
parent = (VlnXmlElement) parent.ParentNode;
else
parent = null;
}
}
else
FieldsInUse = startelem.GetAttribute(strFieldsInUse);
origFieldsInUse = FieldsInUse; // make a copy to compare to later.
ArrayList inuse = new ArrayList();
// if there are no fields in use (may be inserting a top group)
// return an empty list.
if (FieldsInUse=="") return inuse;
// Go through the FieldsInUse list and move elements from the avail list
// to the inuse list
int strpos = 0;
string recid;
recid = FieldsInUse.Substring(strpos,8);
while (recid != null)
{
// find it in avail list. Remove it from there & add to inuse list
for(int i=0; i<avail.Count; i++)
{
ROField rof = (ROField) avail[i];
string lrecid = rof.GetRecID;
if (lrecid == recid)
{
// remove it from avail list & add it to inuse list
ROField inuserof = new ROField(rof.GetFieldname,rof.GetRecID,rof.GetMasterRecID,rof.GetFieldType);
inuse.Add((object) inuserof);
if (RemoveFromAvailList)
avail.RemoveAt(i);
break;
}
}
strpos = strpos + 9;
if (strpos > FieldsInUse.Length)
recid = null;
else
{
recid = FieldsInUse.Substring(strpos,8);
}
}
return inuse;
}
private string CvtUserFldToFld(string fldname)
{
if (fldname.Length < 2)
return fldname;
// a digit cannot start an xml fieldname, prepend a "__" to it.
string tmp0;
if (char.IsDigit(fldname,0))
tmp0 = "__" + fldname;
else
tmp0 = fldname;
// an xml fieldname cannot have a space, change it to a "__"
string tmpstr = tmp0.Replace(" ","__");
int len = tmpstr.Length;
int cnt = 0;
// this is also our sequence that tells us the follow 3 digits is the ascii number (base 10)
// of the character we replaced.
string OKpunch = "-._";
string outstr = "";
int decval;
while (cnt < len)
{
char tmpchr = tmpstr[cnt];
if(!char.IsLetterOrDigit(tmpchr)&& (OKpunch.IndexOf(tmpchr) == -1) )
{
decval = tmpchr;
outstr += OKpunch + decval.ToString("D3");
}
else
{
outstr += tmpchr.ToString();
}
cnt++;
}
return outstr;
}
private string CvtFldToUserFld(string fldname)
{
string tmpstr0;
if (fldname.Length < 2) return fldname;
// an xml element name cannot begin with a digit. we had prepended a "__"
if (fldname.Substring(0,2) == "__" && char.IsDigit(fldname,2))
tmpstr0 = fldname.Substring(2,fldname.Length-2);
else
tmpstr0 = fldname;
// an xml element name cannot have a space, we converted to a "__"
string tmpstr = tmpstr0.Replace("__"," ");
int len = tmpstr.Length;
int cur = 0;
// this is also our sequence that tells us the follow 3 digits is the ascii number (base 10)
// of the character we replaced.
string OKpunch = "-._";
string outstr = "";
int decval, indx;
if (tmpstr.Length <6)
indx = -1;
else
indx=tmpstr.IndexOf(OKpunch,cur);
string asc_spchar;
while (indx>=0)
{
outstr += tmpstr.Substring(cur,indx-cur);
asc_spchar = tmpstr.Substring(indx+3,3);
decval = System.Convert.ToInt16(asc_spchar,10);
outstr += System.Convert.ToChar(decval).ToString();
cur = indx+6;
if (cur+6 > len)
indx = -1;
else
indx = tmpstr.IndexOf(OKpunch,cur);
}
if (cur<len) outstr += tmpstr.Substring(cur,len-cur);
return outstr;
}
// Process the given field type.
// return the type value used in the RO.FST file
ushort GetFSTreturnType(ushort fldtype, string fldname,VlnXmlElement elem)
{
ushort rtnval =0;
/*
* Here are the possible field types:
*
public enum FieldTypes: uint
{
Nil=0, SingleTxt=1, VariableTxt=2, FrmtSingleTxt=4, XYPlot=8, Table=10, Image=20,
MultiTxt=40, Combination=128, MultiFld=100
}
*/
switch ((uint)fldtype)
{
case 1: // Fixed length text
case 2: // Variable length text
case 4: // formatted text
case 40: // Multi line text
rtnval = 1;
break;
case 10: // Table
rtnval = 2;
break;
case 8: // X/Y Plot
rtnval = 4;
break;
// case 20: // image (intergrated graphics) - this is the decimal representation
case 32: // image (intergrated graphics) - this is the HEX representation
rtnval = 8;
break;
/***
case 128: //combo field
rtnval = GetComboFieldTypes(fldname,elem);
break;
***/
}
return rtnval;
}
/***
ushort GetComboFieldTypes(string fldname,VlnXmlElement elem)
{
ushort rtnval = 0;
// string fldname = fieldname.Substring(0,fieldname.Length-1);
string tmp = "";
XmlNode elmnode = (XmlNode) elem;
XmlNode nd;
tmp = fldname + "a"; // Fixed Length String
nd = elmnode.SelectSingleNode(tmp);
if (nd != null)
rtnval |= 1;
tmp = fldname + "b"; // Multi Line Text
nd = elmnode.SelectSingleNode(tmp);
if (nd != null)
rtnval |= 1;
tmp = fldname + "c"; // Table
nd = elmnode.SelectSingleNode(tmp);
if (nd != null)
rtnval |= 2;
tmp = fldname + "d"; // X/Y Plot
nd = elmnode.SelectSingleNode(tmp);
if (nd != null)
rtnval |= 4;
return rtnval;
}
***/
// Get the field types being used per the passed in list of used field names.
/***
public ushort RODB_GetFieldType(VlnXmlElement elem,ArrayList FldsUsed)
{
string strGetFields;
string Info;
string RecID;
string name;
string tmpname;
ushort ftype = 0;
ROField rof;
// select all of the field definition records in this table.
strGetFields = "SELECT RecID, Info from " + elem.GetAttribute("Table");
strGetFields = strGetFields + " where RecType = 2"; // + rtype.ToString();
DBE.Command(strGetFields);
DBE.Reader();
while (DBE.Read())
{
RecID = DBE.GetString(0);
Info = DBE.GetString(1);
// it's defined in the local table if the first character is "<" which starts
// the schema definition string.
if ("<" == Info.Substring(0,1))
{
name = ParseEleName(Info);
if (name != null)
{
rof = new ROField(name, RecID, null, 0);
uint tmpfldtype = rof.ParseFieldType(Info);
if (tmpfldtype == 128) // is it a combo type?
name = name.Substring(0,name.Length-1);
tmpname = name.Replace(" ","_");
if (char.IsDigit(tmpname,0))
tmpname = "_" + tmpname;
// if (name != null)
// {
if (FldsUsed.BinarySearch(tmpname) >= 0) // is this field being used?
{
// rof = new ROField(name, RecID, null, 0);
ftype |= GetFSTreturnType(System.Convert.ToUInt16(rof.ParseFieldType(Info)),tmpname,elem);
// ftype |= System.Convert.ToUInt16(rof.ParseFieldType(Info));
}
}
}
else
{
// references master, but what we need is here: the field name and
// the the field type. Just parse this from the info field.
string parsename;
string strftype;
strftype = Info.Substring(9,3);
parsename = Info.Substring(13,Info.Length-13);
if (strftype.Equals("128")) // is it a combo type?
parsename = parsename.Substring(0,parsename.Length-1);
if (FldsUsed.BinarySearch(parsename) >= 0) // is this field being used?
{
ftype |= GetFSTreturnType(System.Convert.ToUInt16(Info.Substring(9,3)),parsename,elem);
// ftype |= System.Convert.ToUInt16(Info.Substring(9,3));
}
}
}
DBE.ReaderClose();
DBE.CommandDispose();
return ftype;
}
***/
public ushort RODB_GetFieldType(VlnXmlElement elem, string TableName, string Fld)
{
string strGetFields;
string Info;
string RecID;
string name;
string tmpname;
ushort ftype = 0;
ROField rof;
if(TableName != lastTable)
{
lastTable=TableName;
dicFldTypes=new HybridDictionary();
// select all of the field definition records in this table.
// strGetFields = "SELECT RecID, Info from " + elem.GetAttribute("Table");
strGetFields = "SELECT RecID, Info from " + TableName;
strGetFields = strGetFields + " where RecType = 2"; // + rtype.ToString();
DBE.Command(strGetFields);
DBE.Reader();
// NOTE !!!!
// This function does not handle Combo type fields (128).
while (DBE.Read())// && ftype == 0)
{
RecID = DBE.GetString(0);
Info = DBE.GetString(1);
// it's defined in the local table if the first character is "<" which starts
// the schema definition string.
if ("<" == Info.Substring(0,1))
{
name = ParseEleName(Info);
if (name != null)
{
tmpname = CvtUserFldToFld(name);
//if (tmpname.Equals(Fld))
//{
rof = new ROField(name, RecID, null, 0);
// uint tmpfldtype = rof.ParseFieldType(Info);
ftype = GetFSTreturnType(System.Convert.ToUInt16(rof.ParseFieldType(Info)),tmpname,elem);
dicFldTypes[tmpname]=ftype;
//}
}
}
else
{
// references master, but what we need is here: the field name and
// the the field type. Just parse this from the info field.
string parsename;
// string strftype;
// strftype = Info.Substring(9,3);
parsename = Info.Substring(13,Info.Length-13);
//if (parsename.Equals(Fld))
//{
ftype = GetFSTreturnType(System.Convert.ToUInt16(Info.Substring(9,3)),parsename,elem);
dicFldTypes[parsename]=ftype;
//}
}
}
DBE.ReaderClose();
DBE.CommandDispose();
}
ftype = ((ushort) dicFldTypes[Fld]);
return ftype;
}
// For the given element's table, get all of the RO fields defined in this table.
public ArrayList RODB_GetFields(VlnXmlElement elem, uint rtype)
{
ArrayList retlist = new ArrayList();
string strGetFields;
string Info;
string RecID;
string name;
uint ftype;
ROField rof;
// select all of the field definition records in this table.
strGetFields = "SELECT RecID, Info from " + elem.GetAttribute("Table");
strGetFields = strGetFields + " where RecType = 2"; // + rtype.ToString();
DBE.Command(strGetFields);
DBE.Reader();
while (DBE.Read())
{
RecID = DBE.GetString(0);
Info = DBE.GetString(1);
// it's defined in the local table if the first character is "<" which starts
// the schema definition string.
if ("<" == Info.Substring(0,1))
{
name = ParseEleName(Info);
if (name != null)
{
// what type of schema element?
rof = new ROField(name, RecID, null, 0);
ftype = rof.ParseFieldType(Info);
rof.SetFieldType(ftype);
retlist.Add((object) rof);
}
}
else
{
// the recid points to a field definition (schema) in the master - use it to get
// the schema element from the master and copy it.
string parsename;
string masterrecid;
string strftype;
masterrecid = Info.Substring(0,8);
strftype = Info.Substring(9,3);
ftype = System.Convert.ToUInt32(Info.Substring(9,3));
parsename = CvtFldToUserFld(Info.Substring(13,Info.Length-13));
// if we have a choice element, remove the last character (it was added to the
// field names in order to allow for unique fields names for the choice items.
if (ftype == (uint) FieldTypes.Combination)
{
string tparsename = parsename.Remove((parsename.Length)-1,1); // remove the choice string and the space
parsename = tparsename;
}
rof = new ROField(parsename, RecID, masterrecid, ftype);
retlist.Add((object) rof);
}
}
DBE.ReaderClose();
DBE.CommandDispose();
return retlist;
}
public string RODB_GetSchemaPiece(string Recid, string table)
{
string strGetSchemaPiece;
string Info;
strGetSchemaPiece = "SELECT Info From " + table + " where (RecID = '" + Recid + "')";
DBE.Command(strGetSchemaPiece);
DBE.Reader();
if (DBE.Read())
Info = DBE.GetString(0);
else
Info = null;
DBE.ReaderClose();
DBE.CommandDispose();
return Info.Replace("&apos;","\'");
}
public bool RODB_NewSchemaPiece(string recid, string parentid, string table, string schpiece, uint rtype)
{
string strSchemaPiece;
bool success = true;
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
strSchemaPiece = "INSERT INTO " + table + " (RecID, RecType, ParentID, ModDateTime, Info) VALUES ('";
// B2004-016: at one point all fields are returned using a record type of 2 (Schema) -
// but the insertion code did not account for this when inserting a type of 4 (GroupSchema) - i.e.
// RecordType of 4 is no longer used, all fields (whether schema or group) are defined
// as RecordTYpe of 2.
//strSchemaPiece = strSchemaPiece + recid + "', " + rtype.ToString() + ", '" + parentid + "', '" + dt + "', '" + schpiece.Replace("\'","&apos;") + "');";
strSchemaPiece = strSchemaPiece + recid + "', 2, '" + parentid + "', '" + dt + "', '" + schpiece.Replace("\'","&apos;") + "');";
DBE.Command(strSchemaPiece);
try
{
DBE.Command(strSchemaPiece);
DBE.Reader();
}
catch (Exception e)
{
success = false;
MessageBox.Show(e.Message, "Database Write Error");
}
DBE.ReaderClose();
DBE.CommandDispose();
return success;
}
public bool RODB_WriteSchemaPiece(string Recid, string table, string schpiece)
{
string strWriteSchemaPiece;
bool success = true;
string dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
strWriteSchemaPiece = "UPDATE " + table + " SET " + table + ".Info = '" + schpiece.Replace("\'","&apos;") + "'";
strWriteSchemaPiece = strWriteSchemaPiece + ", ModDateTime = '" + dt + "' WHERE RecID = '" + Recid + "';";
try
{
DBE.Command(strWriteSchemaPiece);
DBE.Reader();
}
catch (Exception e)
{
success = false;
MessageBox.Show(e.Message, "Database Update Error");
}
DBE.ReaderClose();
DBE.CommandDispose();
return success;
}
// Create a new field record in master and reference in the current table.
// pass in current rodb object, the xml element creating and editlevel
// is a recordType of either Group (group field definitions) or rro for
// the ro definition. the string apd represents an append string which is
// appended to the fieldname for combo types, otherwise it's null
public bool RODB_NewFieldRecord(ROField myrof, VlnXmlElement myelem, string strschema, uint editlevel, string apd)
{
bool success;
// get a new record id for this and save it in the master table.
string mrecid = RODB_GetNextRecId("ROMaster");
// get recid in ROMaster for group, so that we can set the parent field.
// walk up the tree until we find a 'MasterRecID' attribute.
VlnXmlElement parent;
parent = myelem;
while (parent != null)
{
if (parent.HasAttribute("MasterRecID")) break;
parent = (VlnXmlElement) parent.ParentNode;
}
success = RODB_NewSchemaPiece(mrecid,parent.GetAttribute("MasterRecID"),"ROMaster", strschema, editlevel);
if (success != true) return false;
// also reference it from the local table.
string lrecid = RODB_GetNextRecId(myelem.GetAttribute("Table"));
myrof.SetRecID(lrecid);
myrof.SetMasterRecID(mrecid);
StringBuilder strbld = new StringBuilder();
strbld.Append(mrecid);
strbld.Append(" ");
string strtype = myrof.GetFieldType.ToString();
strbld.Append(strtype.PadLeft(3,'0'));
strbld.Append(" ");
strbld.Append(myrof.MakeFieldName(myrof.GetFieldname));
if (apd != null) strbld.Append(apd);
// Need ParentID field, get by looking up xml tree to find parentID attribute = "00000000", then
// use this recid.
parent = myelem;
while (parent.GetAttribute("ParentID") != "00000000")
{
parent = (VlnXmlElement) parent.ParentNode;
}
success = RODB_NewSchemaPiece(lrecid,parent.GetAttribute("RecID"), myelem.GetAttribute("Table"), strbld.ToString(), editlevel);
return success;
}
private string DoCmbFieldReplace(string repstring, string oname, string nname, string letter)
{
string cmboname, cmbnname;
cmboname = oname.Insert(oname.Length-1,letter);
cmbnname = nname.Insert(nname.Length-1,letter);
return (repstring.Replace(cmboname,cmbnname));
}
private bool RODB_ProcessRROFieldChange(VlnXmlElement child, string oldname, string newname, uint editlevel,
VlnStatusMessage StatMsgWindow, bool combofield)
{
bool success;
string str;
string info;
string tinfo1, tinfo2, tinfo3, tinfo4;
string dt;
string onameOpen, nnameOpen, onameClose, nnameClose, onameComma, nnameComma;
string onameOpenX, nnameOpenX;
onameOpen = "<" + oldname + ">";
nnameOpen = "<" + newname + ">";
onameOpenX = "&lt;" + oldname + "&gt;";
nnameOpenX = "&lt;" + newname + "&gt;";
onameComma = "&lt;" + oldname + ","; // if format in attribute
nnameComma = "&lt;" + newname + ",";
onameClose = "</" + oldname + ">";
nnameClose = "</" + newname + ">";
dt = string.Format("{0:yyyyMMddHHmmss}", System.DateTime.Now);
try
{
// first do the string replace for the group node. This will change any
// attributes which may have changed.
str = "SELECT Info From " + child.GetAttribute("Table") + " where (RecID = '" + child.GetAttribute("RecID") + "')";
DBE.Command(str);
DBE.Reader();
if (DBE.Read())
info = DBE.GetString(0);
else
info = null;
DBE.ReaderClose();
DBE.CommandDispose();
tinfo1 = info.Replace(onameOpen, nnameOpen);
tinfo2 = tinfo1.Replace(onameClose, nnameClose);
tinfo3 = tinfo2.Replace(onameComma, nnameComma);
tinfo4 = tinfo3.Replace(onameOpenX, nnameOpenX);
if (tinfo4 != info)
{
StatMsgWindow.StatusMessage = child.GetAttribute("MenuTitle");
str = "UPDATE " + child.GetAttribute("Table") + " SET Info = '" + tinfo4 + "'";
str = str + ", ModDateTime = '" + dt + "' WHERE RecID = '" + child.GetAttribute("RecID") + "';";
DBE.Command(str);
DBE.Reader();
DBE.ReaderClose();
DBE.CommandDispose();
if (child.Name == "vlnGroup"&&child.ParentNode.Name != "RO_Root")
{
XmlNodeList nodeList;
nodeList = child.SelectNodes(oldname);
foreach (XmlNode nod in nodeList)
{
XmlNode newnode = ROXml.CreateNode(XmlNodeType.Element, newname, "");
newnode.InnerXml = nod.InnerXml;
child.ReplaceChild(newnode,nod);
}
}
// if at top, replace strings in attributes for xml node. Only needs done
// for top node because remainder are done in xml string replace for entire
// node and written to database, but XML tree is deleted from memory and
// reread in as needed.
if (child.ParentNode.Name == "RO_Root")
{
string tmp, tmp1;
tmp = child.GetAttribute("RetVal");
if (tmp != null)
{
tmp1 = tmp.Replace(onameOpen, nnameOpen);
child.SetAttribute("RetVal", tmp1);
}
tmp = child.GetAttribute("MenuItem");
if (tmp != null)
{
string conameOpen = "<" + oldname + ",";
string cnnameOpen = "<" + newname + ",";
tmp1 = tmp.Replace(onameOpen, nnameOpen);
string tmp2 = tmp1.Replace(conameOpen, cnnameOpen);
child.SetAttribute("MenuItem", tmp2);
}
tmp = child.GetAttribute("AccPageID");
if (tmp != null)
{
tmp1 = tmp.Replace(onameOpen, nnameOpen);
child.SetAttribute("AccPageID", tmp1);
}
tmp = child.GetAttribute("GroupMenuItem");
if (tmp != null)
{
tmp1 = tmp.Replace(onameOpen, nnameOpen);
child.SetAttribute("GroupMenuItem", tmp1);
}
}
}
// if this was an RO field definition change, need to go through the XML for
// the ROs too.
if (editlevel == (uint) RecordType.Schema)
{
XmlNode chldnode = (XmlNode) child.FirstChild;
VlnXmlElement echild;
while (chldnode != null)
{
if (chldnode is VlnXmlElement)
{
echild = (VlnXmlElement) chldnode;
if (echild.Name != "vlnGroup")
{
// If this is a group defintion subtree it will only have one
// child, which is the text definition for the subgroup. Don't
// include these in the tree.
int levelCnt = chldnode.ChildNodes.Count;
string TheMenuTitle = echild.GetAttribute("MenuTitle");
if ((levelCnt >= 1) && !TheMenuTitle.Equals(""))
{
// read record, do string replace in info & write record. Also, replace
// the xml node with a node with the new name.
str = "SELECT Info From " + echild.GetAttribute("Table") + " where (RecID = '" + echild.GetAttribute("RecID") + "')";
DBE.Command(str);
DBE.Reader();
if (DBE.Read())
info = DBE.GetString(0);
else
info = null;
DBE.ReaderClose();
DBE.CommandDispose();
if (combofield==false)
{
tinfo1 = info.Replace(onameOpen,nnameOpen);
tinfo2 = tinfo1.Replace(onameClose, nnameClose);
XmlNodeList nodeList;
nodeList = echild.SelectNodes(oldname);
foreach (XmlNode nod in nodeList)
{
XmlNode newnode = ROXml.CreateNode(XmlNodeType.Element, newname, "");
newnode.InnerXml = nod.InnerXml;
echild.ReplaceChild(newnode,nod);
}
}
else // need a,b,c,d yikes
{
string nma, nmb, nmc, nmd;
nma = DoCmbFieldReplace(info, onameOpen, nnameOpen, "a");
nmb = DoCmbFieldReplace(nma, onameOpen, nnameOpen, "b");
nmc = DoCmbFieldReplace(nmb, onameOpen, nnameOpen, "c");
nmd = DoCmbFieldReplace(nmc, onameOpen, nnameOpen, "d");
nma = DoCmbFieldReplace(nmd, onameClose, nnameClose, "a");
nmb = DoCmbFieldReplace(nma, onameClose, nnameClose, "b");
nmc = DoCmbFieldReplace(nmb, onameClose, nnameClose, "c");
tinfo2 = DoCmbFieldReplace(nmc, onameClose, nnameClose, "d");
// replace the combo nodes with the new name, do a-d in case there are more than
// one value field stored for this combo type
for (char tmplet = 'a';tmplet < 'e'; tmplet++)
{
XmlNodeList nodeList;
nodeList = echild.SelectNodes(oldname+tmplet.ToString());
foreach (XmlNode nod in nodeList)
{
XmlNode newnode = ROXml.CreateNode(XmlNodeType.Element, newname+tmplet, "");
newnode.InnerXml = nod.InnerXml;
echild.ReplaceChild(newnode,nod);
}
}
}
StatMsgWindow.StatusMessage = echild.GetAttribute("MenuTitle");
str = "UPDATE " + echild.GetAttribute("Table") + " SET Info = '" + tinfo2 + "'";
str = str + ", ModDateTime = '" + dt + "' WHERE RecID = '" + echild.GetAttribute("RecID") + "';";
DBE.Command(str);
DBE.Reader();
DBE.ReaderClose();
DBE.CommandDispose();
}
}
}
chldnode = chldnode.NextSibling;
}
}
return true;
}
catch (Exception e)
{
success = false;
MessageBox.Show(e.Message,"Database Update Error");
}
return success;
}
// RODB_UpdateNamesInROs: goes through subtree (top node is 'fld') and if this
// updated field is used (either in [Group]FieldsInUse or was used in parent, then
// 1) if group node, check for attributes using "<oldname>" and if found, update
// to "<newname>
// 2) if group edit, modify this node's xml data with the new fieldname,
// otherwise, edit 'ROs' under this to replace <oldname> with <newname>
// Input: VlnXmlElement fld: start processing at this node.
// string myrecid: local recid to be used for check to see if used (in FieldsInUse
// or GroupFieldsInUse.
// string oldname, newname - old and new field names
// string myrecid - local record storing field name
// uint editlevel - if editting groups, do check for for item 1 above in
// Group attributes, otherwise do in
// bool parentused - set to false from caller, this is recursive and will
// be set appropriately for recursive calls.
public bool RODB_UpdateFieldNames(VlnXmlElement fld, string myrecid, string oldname,
string newname, uint editlevel, bool parentused, VlnStatusMessage StatMsgWindow, bool combofield)
{
bool success;
bool useAtLevel = false;
XmlNode node;
VlnXmlElement child;
string fldinuse;
if (editlevel == (uint)RecordType.Schema)
fldinuse = "FieldsInUse";
else
fldinuse = "GroupFieldsInUse";
// Do the current level before walking through any children groups.
if (fld.Name == "vlnGroup")
{
if (fld.HasAttribute(fldinuse))
{
// if recid not in here, don't process for this node.
string fiu = fld.GetAttribute(fldinuse);
if (fiu.IndexOf(myrecid) >= 0) useAtLevel = true;
}
if (useAtLevel==true || parentused==true) useAtLevel = true;
if (useAtLevel == true)
{
string haskids, kidsloaded;
haskids = fld.GetAttribute("HasChild");
kidsloaded = fld.GetAttribute("ChildLoaded");
if (haskids == "True" && kidsloaded == "False" )
{
success = RODB_GetChildData(fld,true);
if (success == false) return false;
fld.SetAttribute("ChildLoaded","True");
}
parentused = true; // for kids of this group.
success = RODB_ProcessRROFieldChange(fld, oldname, newname, editlevel, StatMsgWindow, combofield);
if (success==false) return false;
}
}
node = (XmlNode) fld.FirstChild;
while (node != null)
{
if (node is VlnXmlElement)
{
useAtLevel=false;
child = (VlnXmlElement) node;
// If this is a group menu edit, process group nodes, by recursive
// call and then modify data on group record.
// For both, when hitting a group node, check that it either doesn't
// have 'FieldsInUse' or 'GroupFieldsInUse' or that if it does,
// this record id is in the list -> only process these, otherwise
// the field is not used.
if (child.Name == "vlnGroup")
{
// see if inuse for this one, either defined here or from parent.
if (child.HasAttribute(fldinuse))
{
// if recid not in here, don't process for this node. Still
// need to check children because they may redefine fields in use.
string fiu = child.GetAttribute(fldinuse);
if (fiu.IndexOf(myrecid) >= 0) useAtLevel = true;
}
if (useAtLevel == false && parentused == true) useAtLevel = true;
// update this record if it doesn't have it's own , then do kids
// of it.
success = RODB_UpdateFieldNames(child, myrecid, oldname, newname,editlevel,useAtLevel, StatMsgWindow, combofield);
if (success == false) return false;
}
}
node = node.NextSibling;
}
// now update ROs at this level, only if RO mods (not group).
//if (parentused && editlevel==(uint)RecordType.Schema)
//{
// success = RODB_ProcessRROFieldChange(fld, oldname, newname, editlevel);
// if (success==false) return false;
//}
return true;
}
// check if the name entered is one used for setting up
// the new graphics or setpoint databases.
private bool RODB_CheckForStandardName(string oname)
{
string oldname = CvtFldToUserFld(oname);
if (oldname.CompareTo("Name") == 0) return true;
if (oldname.CompareTo("Image ID") == 0) return true;
if (oldname.CompareTo("Image") == 0) return true;
if (oldname.CompareTo("Setpoint ID") == 0) return true;
if (oldname.CompareTo("Setpoint Value") == 0) return true;
if (oldname.CompareTo("Associated System/Component") == 0) return true;
if (oldname.CompareTo("Applicability") == 0) return true;
if (oldname.CompareTo("Revision") == 0) return true;
if (oldname.CompareTo("Short Description") == 0) return true;
if (oldname.CompareTo("Description") == 0) return true;
if (oldname.CompareTo("Key Assumptions") == 0) return true;
if (oldname.CompareTo("Basis") == 0) return true;
if (oldname.CompareTo("References") == 0) return true;
if (oldname.CompareTo("Group") == 0) return true;
if (oldname.CompareTo("Parameter") == 0) return true;
return false;
}
public bool RODB_UpdateFieldRecord(ROField myrof, VlnXmlElement myelem, string strschema,
string oldname, string newname, uint editlevel, bool combofield)
{
bool success=false;
// If this is a generic definition that was modified, i.e. from ROMaster, ask
// the user whether to update the generic field definition or make it local.
if (myrof.GetMasterRecID != null)
{
// if field is defined in the ROMaster, and we change the field name -
// first check if it is using one of the names used to define new
// setpoint or graphics databases. If so, make it a local change only!
bool changegeneric = true;
if (oldname != newname)
{
// if this is one of the standard names - don't let them save it.
bool isused=RODB_CheckForStandardName(oldname);
if (isused == true)
{
MessageBox.Show("The field name is used to define new Setpoints or Graphics Database.\n The update will be for this local (database) group only.","Field name modification.");
changegeneric = false;
}
}
// if standard name, from above check, don't ask user if it is generic
// or not.
if (changegeneric != false)
{
System.Windows.Forms.DialogResult result = MessageBox.Show ("Update Generic definition?", "Referenced Object Definition",
MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.No) changegeneric = false;
}
if (changegeneric == true)
{
success = RODB_WriteSchemaPiece(myrof.GetMasterRecID,"ROMaster", strschema);
if (success != true) return false;
// if change in fieldname, need to go through all of the databases to
// adjust for it.
if (oldname != newname)
{
VlnStatusMessage StatMsgWindow = new VlnStatusMessage("Status of RO Field Change");
// get root xml element
// loop through each subgroup under root.
VlnXmlElement topgroup;
topgroup = (VlnXmlElement) ROXml.FirstChild.FirstChild;
string sqlstr, recid, tbl;
while (topgroup != null)
{
tbl = topgroup.GetAttribute("Table");
// get the recid of this field definition from the current table.
sqlstr = "SELECT RecID FROM " + tbl;
sqlstr = sqlstr + " WHERE (((" + tbl + ".RecType) = 2) AND ((" + tbl + ".Info) like ('";
sqlstr = sqlstr + myrof.GetMasterRecID + "%')));";
DBE.Command(sqlstr);
DBE.Reader();
if (DBE.Read())
recid = DBE.GetString(0);
else
recid = null;
DBE.ReaderClose();
DBE.CommandDispose();
if (recid != null)
{
// update the local field definition record
StringBuilder strbld = new StringBuilder();
strbld.Append(myrof.GetMasterRecID);
strbld.Append(" ");
string strtype = myrof.GetFieldType.ToString();
strbld.Append(strtype.PadLeft(3,'0'));
strbld.Append(" ");
strbld.Append(myrof.MakeFieldName(myrof.GetFieldname));
success = RODB_WriteSchemaPiece(recid,topgroup.GetAttribute("Table"), strbld.ToString());
topgroup.SetAttribute("TreeNotData", "True");
// Update subelements too.
if (success == true)
success = RODB_UpdateFieldNames(topgroup, recid, oldname, newname, editlevel, false, StatMsgWindow, combofield);
topgroup = (VlnXmlElement) topgroup.NextSibling;
}
}
StatMsgWindow.Dispose();
}
}
else // change local
{
// modify the current to have the definition local.
success=RODB_WriteSchemaPiece(myrof.GetRecID,myelem.GetAttribute("Table"), strschema);
// get top group node in tree. and from there process fields if
// there was a change in fieldname text
if (success == true && oldname != newname)
{
VlnStatusMessage StatMsgWindow = new VlnStatusMessage("Status of RO Field Change");
// get top node - the one immediately below the RO_Root.
VlnXmlElement parent, startEle;
parent = myelem;
startEle = myelem;
while(parent.Name != "RO_Root")
{
startEle = parent;
parent = (VlnXmlElement) parent.ParentNode;
}
startEle.SetAttribute("TreeNotData", "True");
success = RODB_UpdateFieldNames(startEle, myrof.GetRecID, oldname, newname, editlevel, false, StatMsgWindow, combofield);
StatMsgWindow.Dispose();
}
}
}
else
{
success = RODB_WriteSchemaPiece(myrof.GetRecID,myelem.GetAttribute("Table"),strschema);
// changed the fieldname, change xml text.
if (success == true && oldname != newname)
{
VlnStatusMessage StatMsgWindow = new VlnStatusMessage("Status of RO Field Change");
// get top node - the one immediately below the RO_Root.
VlnXmlElement parent, startEle;
parent = myelem;
startEle = myelem;
while(parent.Name != "RO_Root")
{
startEle = parent;
parent = (VlnXmlElement) parent.ParentNode;
}
startEle.SetAttribute("TreeNotData", "True");
success = RODB_UpdateFieldNames(startEle, myrof.GetRecID, oldname, newname, editlevel, false, StatMsgWindow, combofield);
StatMsgWindow.Dispose();
}
}
return success;
}
public XmlSchema RODB_GetGroupSchema(VlnXmlElement elem)
{
XmlSchema myschema;
VlnXmlElement parent;
string entireschema;
// if at top of tree, use this group schema information (fields in use). but if not,
// the parent node defines the schema for the subgroups.
if (elem.ParentNode.Name == "RO_Root")
parent = elem;
else
parent = elem;
// bug fix B2004-008
// need to use the current node's group definition all the time
// parent = (VlnXmlElement) elem.ParentNode;
while (parent != null)
{
if (parent.HasAttribute("GroupFieldsInUse") == true) break;
// if we've looped to the top, just set the parent to null. (B2004-015)
if (parent.ParentNode is VlnXmlElement)
parent = (VlnXmlElement) parent.ParentNode;
else
parent = null;
}
if (parent == null) return null;
// The group schema never gets saved as an attribute. it's always read in, because
// it's not used as often as the ro schema. So for the Group Schema, we're looking
// for 'GroupFieldsInUse'.
// otherwise, read in schema definitions for those 'FieldsInUse'.
string strGetSchemaPiece;
entireschema = null;
string GroupFieldsInUse = parent.GetAttribute("GroupFieldsInUse");
int strpos = 0;
string Info;
// For each item in use, get its xmlschema text. If unique to this group, the definition
// exists local to this table. Otherwise, go back to the master.
string recid;
recid = GroupFieldsInUse.Substring(0,8);
while (recid != null)
{
strGetSchemaPiece = "SELECT Info From " + elem.GetAttribute("Table") + " where (RecID = '" + recid + "')";
DBE.Command(strGetSchemaPiece);
DBE.Reader();
if (DBE.Read())
{
Info = DBE.GetString(0);
// if the info string has "<", i.e. an opening XML schema bracket, use
// this text as the field definition, otherwise, go to the master to get
// it.
if ("<" == Info.Substring(0,1))
{
// use this field definition, else get from the master.
entireschema = entireschema + Info;
}
else
{
string recidpart = Info.Substring(0,8);
strGetSchemaPiece = "SELECT Info From RoMaster where (RecID = '" + recidpart + "')";
DBE.ReaderClose();
DBE.CommandDispose();
DBE.Command(strGetSchemaPiece);
DBE.Reader();
if (DBE.Read())
{
Info = DBE.GetString(0);
entireschema = entireschema + Info;
}
}
DBE.ReaderClose();
DBE.CommandDispose();
strpos = strpos + 9;
if (strpos > GroupFieldsInUse.Length)
recid = null;
else
recid = GroupFieldsInUse.Substring(strpos,8);
}
DBE.ReaderClose();
DBE.CommandDispose();
}
entireschema = schemastart + entireschema + schemaend;
XmlTextReader schemareader = new XmlTextReader(entireschema,XmlNodeType.Element,null);
try
{
myschema = XmlSchema.Read(schemareader,null);
return myschema;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Schema Error");
return null;
}
}
public XmlSchema RODB_GetSchema(VlnXmlElement elem)
{
XmlSchema myschema;
VlnXmlElement parent;
string entireschema;
XmlNode nparent;
nparent = elem; //.ParentNode;
if (nparent is VlnXmlDocument)
{
// at top already. use this one.
parent = elem;
}
else
{
parent = (VlnXmlElement) nparent;
while (parent != null)
{
if (parent.HasAttribute("Schema") == true) break;
if (parent.HasAttribute("FieldsInUse") == true) break;
parent = (VlnXmlElement) parent.ParentNode;
}
}
// if the schema has already been read in, just use it from the schema attribute,
// otherwise, read in schema definitions for those 'FieldsInUse'.
if (parent.HasAttribute("Schema"))
{
entireschema = parent.GetAttribute("Schema");
}
else
{
string strGetSchemaPiece;
entireschema = null;
string FieldsInUse = parent.GetAttribute("FieldsInUse");
int strpos = 0;
string Info;
// For each item in use, get its xmlschema text. If unique to this group, the definition
// exists local to this table. Otherwise, go back to the master.
string recid;
recid = FieldsInUse.Substring(0,8);
while (recid != null)
{
strGetSchemaPiece = "SELECT Info From " + elem.GetAttribute("Table") + " where (RecID = '" + recid + "')";
DBE.Command(strGetSchemaPiece);
DBE.Reader();
if (DBE.Read())
{
Info = DBE.GetString(0);
// if the info string has "<", i.e. an opening XML schema bracket, use
// this text as the field definition, otherwise, go to the master to get
// it.
if ("<" == Info.Substring(0,1))
{
// use this field definition, else get from the master.
entireschema = entireschema + Info;
}
else
{
string recidpart = Info.Substring(0,8);
string localfieldname = Info.Substring(13,Info.Length-13);
strGetSchemaPiece = "SELECT Info From RoMaster where (RecID = '" + recidpart + "')";
DBE.ReaderClose();
DBE.CommandDispose();
DBE.Command(strGetSchemaPiece);
DBE.Reader();
if (DBE.Read())
{
// check if field name is same, if not, use local name.
string goodname;
Info = DBE.GetString(0);
int indx1 = Info.IndexOf("\"");
int indx2 = Info.IndexOf("\"",indx1+1);
string masterfieldname = Info.Substring(indx1+1,indx2-indx1-1);
if (localfieldname != masterfieldname)
goodname = Info.Replace(masterfieldname,localfieldname);
else
goodname = Info;
entireschema = entireschema + goodname;
}
}
DBE.ReaderClose();
DBE.CommandDispose();
strpos = strpos + 9;
if (strpos > FieldsInUse.Length)
recid = null;
else
recid = FieldsInUse.Substring(strpos,8);
}
}
DBE.ReaderClose();
DBE.CommandDispose();
entireschema = schemastart + entireschema + schemaend;
}
XmlTextReader schemareader = new XmlTextReader(entireschema,XmlNodeType.Element,null);
try
{
myschema = XmlSchema.Read(schemareader,null);
parent.SetAttribute("Schema",entireschema);
return myschema;
}
catch (Exception e)
{
MessageBox.Show(e.Message,"Schema Read Error");
return null;
}
}
public int RODB_GetNumberOfROValueRecords(string tablename)
{
// get menu fields to display here.
string strGetRoCount = "SELECT COUNT(RecType) AS NumRecs FROM " + tablename;
strGetRoCount += " WHERE RecType = " + (uint)RecordType.RRO;
DBE.Command(strGetRoCount);
DBE.Reader();
DBE.Read();
int ROCnt = DBE.GetInt32(0);
DBE.ReaderClose();
DBE.CommandDispose();
return ROCnt;
}
public int RODB_GetNumberOfGroupRecords(string tablename)
{
// get menu fields to display here.
string strGetGrpCount = "SELECT COUNT(RecType) AS NumRecs FROM " + tablename;
strGetGrpCount += " WHERE RecType = " + (uint)RecordType.Group;
DBE.Command(strGetGrpCount);
DBE.Reader();
DBE.Read();
int GrpCnt = DBE.GetInt32(0);
DBE.ReaderClose();
DBE.CommandDispose();
return GrpCnt;
}
}
}
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