EVOLUTION-MANAGER

Edit File: Root_.xba

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE script:module PUBLIC "-//OpenOffice.org//DTD OfficeDocument 1.0//EN" "module.dtd">
<script:module xmlns:script="http://openoffice.org/2000/script" script:name="Root_" script:language="StarBasic">REM =======================================================================================================================
REM ===					The Access2Base library is a part of the LibreOffice project.									===
REM ===					Full documentation is available on http://www.access2base.com									===
REM =======================================================================================================================

Option Compatible
Option ClassModule

Option Explicit

REM -----------------------------------------------------------------------------------------------------------------------
REM --- FOR INTERNAL USE ONLY								        														---
REM -----------------------------------------------------------------------------------------------------------------------

REM -----------------------------------------------------------------------------------------------------------------------
REM --- CLASS ROOT FIELDS 								        														---
REM -----------------------------------------------------------------------------------------------------------------------

Private ErrorHandler		As Boolean
Private MinimalTraceLevel	As Integer
Private TraceLogs()			As Variant
Private TraceLogCount		As Integer
Private TraceLogLast		As Integer
Private TraceLogMaxEntries	As Integer
Private CalledSub			As String
Private Introspection		As Object				&apos;	com.sun.star.beans.Introspection	
Private VersionNumber		As String				&apos;	Actual Access2Base version number
Private Locale				As String
Private FindRecord			As Object
Private StatusBar			As Object
Private Dialogs				As Object				&apos;	Collection
Private TempVars			As Object				&apos;	Collection
Private CurrentDoc()		As Variant				&apos;	Array of document containers - [0] = Base document, [1 ... N] = other documents

REM -----------------------------------------------------------------------------------------------------------------------
REM --- CONSTRUCTORS / DESTRUCTORS						        														---
REM -----------------------------------------------------------------------------------------------------------------------
Private Sub Class_Initialize()
Dim vCurrentDoc() As Variant
	VersionNumber = Access2Base_Version
	ErrorHandler = True
	MinimalTraceLevel = 0
	TraceLogs() = Array()
	TraceLogCount = 0
	TraceLogLast = 0
	TraceLogMaxEntries = 0
	CalledSub = &quot;&quot;
	Locale = L10N._GetLocale()
	Set Introspection = CreateUnoService(&quot;com.sun.star.beans.Introspection&quot;)
	Set FindRecord = Nothing
	Set StatusBar = Nothing
	Set Dialogs = New Collection
	Set TempVars = New Collection
	vCurrentDoc() = Array()
	ReDim vCurrentDoc(0 To 0)
	Set vCurrentDoc(0) = Nothing
	Set CurrentDoc() = vCurrentDoc()
End Sub		&apos;	Constructor

REM -----------------------------------------------------------------------------------------------------------------------
Private Sub Class_Terminate()
	Call Class_Initialize()
End Sub		&apos;	Destructor

REM -----------------------------------------------------------------------------------------------------------------------
Public Sub Dispose()
	Call Class_Terminate()
End Sub		&apos;	Explicit destructor

REM -----------------------------------------------------------------------------------------------------------------------
REM --- CLASS GET/LET/SET PROPERTIES					        														---
REM -----------------------------------------------------------------------------------------------------------------------

REM -----------------------------------------------------------------------------------------------------------------------
REM --- CLASS METHODS	 								        														---
REM -----------------------------------------------------------------------------------------------------------------------

REM -----------------------------------------------------------------------------------------------------------------------
Public Sub CloseConnection()
&apos;	Close all connections established by current document to free memory.
&apos;	- if Base document =&gt; close the one concerned database connection
&apos;	- if non-Base documents =&gt; close the connections of each individual standalone form

Dim i As Integer, iCurrentDoc As Integer
Dim vDbContainer As Variant, vDbContainers() As Variant, vDocContainer As Variant

If ErrorHandler Then On Local Error Goto Error_Sub

If Not IsArray(CurrentDoc) Then Goto Exit_Sub
	If UBound(CurrentDoc) &lt; 0 Then Goto Exit_Sub
	iCurrentDoc = CurrentDocIndex( , False)			&apos;	False prevents error raising if not found
	If iCurrentDoc &lt; 0 Then GoTo Exit_Sub			&apos;	If not found ignore
	
	vDocContainer = CurrentDocument(iCurrentDoc)
	With vDocContainer
		If Not .Active Then GoTo Exit_Sub		&apos;	e.g. if successive calls to CloseConnection()
		For i = 0 To UBound(.DbContainers)
			If Not IsNull(.DbContainers(i).Database) Then
				.DbContainers(i).Database.Dispose()
				Set .DbContainers(i).Database = Nothing
			End If
			TraceLog(TRACEANY, UCase(CalledSub) &amp; &quot; &quot; &amp; .URL &amp; Iif(i = 0, &quot;&quot;, &quot; Form=&quot; &amp; .DbContainers(i).FormName), False)
			Set .DbContainers(i) = Nothing
		Next i
		.DbContainers = Array()
		.URL = &quot;&quot;
		.DbConnect = 0
		.Active = False
		Set .Document = Nothing
	End With
	CurrentDoc(iCurrentDoc) = vDocContainer
	
Exit_Sub:
	Exit Sub
Error_Sub:
	TraceError(TRACEABORT, Err, CalledSub, Erl, False)		&apos;	No error message addressed to the user, only stored in console
	GoTo Exit_Sub
End Sub			&apos;	CloseConnection

REM -----------------------------------------------------------------------------------------------------------------------
Public Function CurrentDb() As Object
&apos;	Returns _A2B_.CurrentDocument().Database as an object to allow access to its properties

Dim iCurrentDoc As Integer

Set CurrentDb = Nothing

If Not IsArray(CurrentDoc) Then Goto Exit_Function
	If UBound(CurrentDoc) &lt; 0 Then Goto Exit_Function
	iCurrentDoc = CurrentDocIndex(, False)		&apos;	False = no abort
	If iCurrentDoc &gt;= 0 Then
		If UBound(CurrentDoc(iCurrentDoc).DbContainers) &gt;= 0 Then Set CurrentDb = CurrentDoc(iCurrentDoc).DbContainers(0).Database
	End If

Exit_Function:
	Exit Function
End Function	&apos;	CurrentDb

REM -----------------------------------------------------------------------------------------------------------------------
Public Function CurrentDocIndex(Optional pvURL As Variant, Optional pbAbort As Variant) As Integer
&apos;	Returns the entry in CurrentDoc(...) referring to the current document

Dim i As Integer, bFound As Boolean, sURL As String
Const cstBase = &quot;com.sun.star.comp.dba.ODatabaseDocument&quot;

bFound = False
	CurrentDocIndex = -1

If Not IsArray(CurrentDoc) Then Goto Trace_Error
	If UBound(CurrentDoc) &lt; 0 Then Goto Trace_Error
	For i = 1 To UBound(CurrentDoc)					&apos;	[0] reserved to database .odb document
		If IsMissing(pvURL) Then						&apos;	Not on 1 single line ?!?
			If Utils._hasUNOProperty(ThisComponent, &quot;URL&quot;) Then
				sURL = ThisComponent.URL
			Else
				Exit For	&apos;	f.i. ThisComponent = Basic IDE ...
			End If
		Else
			sURL = pvURL	&apos;	To support the SelectObject action
		End If
		If CurrentDoc(i).Active And CurrentDoc(i).URL = sURL Then
			CurrentDocIndex = i
			bFound = True
			Exit For
		End If
	Next  i

If Not bFound Then
		If IsNull(CurrentDoc(0)) Then GoTo Trace_Error
		With CurrentDoc(0)
			If Not .Active Then GoTo Trace_Error
			If IsNull(.Document) Then GoTo Trace_Error
		End With
		CurrentDocIndex = 0
	End If

Exit_Function:
	Exit Function
Trace_Error:
	If IsMissing(pbAbort) Then pbAbort = True
	If pbAbort Then TraceError(TRACEABORT, ERRDBNOTCONNECTED, Utils._CalledSub(), 0, 1) Else CurrentDocIndex = -1
	Goto Exit_Function
End Function	&apos;	CurrentDocIndex

REM -----------------------------------------------------------------------------------------------------------------------
Public Function CurrentDocument(ByVal Optional piDocIndex As Integer) As Variant
&apos;	Returns the CurrentDoc(...) referring to the current document or to the argument

Dim iDocIndex As Integer
	If IsMissing(piDocIndex) Then iDocIndex = CurrentDocIndex() Else iDocIndex = piDocIndex
	If iDocIndex &gt;= 0 And iDocIndex &lt;= UBound(CurrentDoc) Then Set CurrentDocument = CurrentDoc(iDocIndex) Else Set CurrentDocument = Nothing

End Function

REM -----------------------------------------------------------------------------------------------------------------------
Public Sub Dump()
&apos;	For debugging purposes
Dim i As Integer, j As Integer, vCurrentDoc As Variant
	On Local Error Resume Next

DebugPrint &quot;Version&quot;, VersionNumber
	DebugPrint &quot;TraceLevel&quot;, MinimalTraceLevel
	DebugPrint &quot;TraceCount&quot;, TraceLogCount
	DebugPrint &quot;CalledSub&quot;, CalledSub
	If IsArray(CurrentDoc) Then
		For i = 0 To UBound(CurrentDoc)
			vCurrentDoc = CurrentDoc(i)
			If Not IsNull(vCurrentDoc) Then
				DebugPrint i, &quot;URL&quot;, vCurrentDoc.URL
				For j = 0 To UBound(vCurrentDoc.DbContainers)
					DebugPrint i, j, &quot;Form&quot;, vCurrentDoc.DbContainers(j).FormName
					DebugPrint i, j, &quot;Database&quot;, vCurrentDoc.DbContainers(j).Database.Title
				Next j
			End If
		Next i
	End If

End Sub

REM -----------------------------------------------------------------------------------------------------------------------
Public Function hasItem(psCollType As String, ByVal psName As String) As Boolean
&apos;	Return True if psName if in the collection

Dim oItem As Object
	On Local Error Goto Error_Function		&apos;	Whatever ErrorHandler !

hasItem = True
	Select Case psCollType
		Case COLLALLDIALOGS
			Set oItem = Dialogs.Item(UCase(psName))
		Case COLLTEMPVARS
			Set oItem = TempVars.Item(UCase(psName))
		Case Else
			hasItem = False
	End Select

Exit_Function:
	Exit Function
Error_Function:		&apos;	Item by key aborted
	hasItem = False
	GoTo Exit_Function
End Function	&apos;	hasItem

REM -----------------------------------------------------------------------------------------------------------------------
REM --- PRIVATE FUNCTIONS 								        														---
REM -----------------------------------------------------------------------------------------------------------------------

REM -----------------------------------------------------------------------------------------------------------------------
Public Function _CurrentDb(ByVal Optional piDocEntry As Integer, ByVal Optional piDbEntry As Integer) As Variant
REM Without arguments same as CurrentDb() except that it generates an error if database not connected (internal use)
REM With 2 arguments return the corresponding entry in Root

Dim odbDatabase As Variant
	If IsMissing(piDocEntry) Then
		Set odbDatabase = CurrentDb()
	Else
		If Not IsArray(CurrentDoc) Then Goto Trace_Error
		If piDocEntry &lt; 0 Or piDbEntry &lt; 0 Then Goto Trace_Error
		If piDocEntry &gt; UBound(CurrentDoc) Then Goto Trace_Error
		If piDbEntry &gt; UBound(CurrentDoc(piDocEntry).DbContainers) Then Goto Trace_Error
		Set odbDatabase = CurrentDoc(piDocEntry).DbContainers(piDbEntry).Database
	End If
	If IsNull(odbDatabase) Then GoTo Trace_Error

Exit_Function:
	Set _CurrentDb = odbDatabase
	Exit Function	
Trace_Error:
	TraceError(TRACEABORT, ERRDBNOTCONNECTED, Utils._CalledSub(), 0, 1)
	Goto Exit_Function
End Function		&apos;	_CurrentDb
</script:module>