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office-gobmx/wizards/source/access2base/OptionGroup.xba
Jean-Pierre Ledure 15fec4ee1c Access2Base - Set Parent property in all classes 
To get faster access to parents from controls
Top classes (form, dialog and commandbar) should return Parent = Nothing
2019-07-13 16:22:32 +02:00

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<?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="OptionGroup" 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 --- CLASS ROOT FIELDS ---
REM -----------------------------------------------------------------------------------------------------------------------
Private _Type As String &apos; Must be FORM
Private _This As Object &apos; Workaround for absence of This builtin function
Private _Parent As Object
Private _Name As String
Private _ParentType As String
Private _ParentComponent As Object
Private _MainForm As String
Private _DocEntry As Integer
Private _DbEntry As Integer
Private _ButtonsGroup() As Variant
Private _ButtonsIndex() As Variant
Private _Count As Long
REM -----------------------------------------------------------------------------------------------------------------------
REM --- CONSTRUCTORS / DESTRUCTORS ---
REM -----------------------------------------------------------------------------------------------------------------------
Private Sub Class_Initialize()
_Type = OBJOPTIONGROUP
Set _This = Nothing
Set _Parent = Nothing
_Name = &quot;&quot;
_ParentType = &quot;&quot;
_ParentComponent = Nothing
_DocEntry = -1
_DbEntry = -1
_ButtonsGroup = Array()
_ButtonsIndex = Array()
_Count = 0
End Sub &apos; Constructor
REM -----------------------------------------------------------------------------------------------------------------------
Private Sub Class_Terminate()
On Local Error Resume Next
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 -----------------------------------------------------------------------------------------------------------------------
Property Get Count() As Variant
Count = _PropertyGet(&quot;Count&quot;)
End Property &apos; Count (get)
REM -----------------------------------------------------------------------------------------------------------------------
Property Get Name() As String
Name = _PropertyGet(&quot;Name&quot;)
End Property &apos; Name (get)
Public Function pName() As String &apos; For compatibility with &lt; V0.9.0
pName = _PropertyGet(&quot;Name&quot;)
End Function &apos; pName (get)
REM -----------------------------------------------------------------------------------------------------------------------
Property Get ObjectType() As String
ObjectType = _PropertyGet(&quot;ObjectType&quot;)
End Property &apos; ObjectType (get)
REM -----------------------------------------------------------------------------------------------------------------------
Public Function Properties(ByVal Optional pvIndex As Variant) As Variant
&apos; Return
&apos; a Collection object if pvIndex absent
&apos; a Property object otherwise
Dim vProperty As Variant, vPropertiesList() As Variant, sObject As String
vPropertiesList = _PropertiesList()
sObject = Utils._PCase(_Type)
If IsMissing(pvIndex) Then
vProperty = PropertiesGet._Properties(sObject, _This, vPropertiesList)
Else
vProperty = PropertiesGet._Properties(sObject, _This, vPropertiesList, pvIndex)
vProperty._Value = _PropertyGet(vPropertiesList(pvIndex))
End If
Exit_Function:
Set Properties = vProperty
Exit Function
End Function &apos; Properties
REM -----------------------------------------------------------------------------------------------------------------------
Property Get Value() As Variant
Value = _PropertyGet(&quot;Value&quot;)
End Property &apos; Value (get)
Property Let Value(ByVal pvValue As Variant)
Call _PropertySet(&quot;Value&quot;, pvValue)
End Property &apos; Value (set)
REM -----------------------------------------------------------------------------------------------------------------------
REM --- CLASS METHODS ---
REM -----------------------------------------------------------------------------------------------------------------------
Public Function Controls(Optional ByVal pvIndex As Variant) As Variant
&apos; Return a Control object with name or index = pvIndex
If _ErrorHandler() Then On Local Error Goto Error_Function
Utils._SetCalledSub(&quot;OptionGroup.Controls&quot;)
Dim ocControl As Variant, iArgNr As Integer, i As Integer
Dim oCounter As Object
Set ocControl = Nothing
If IsMissing(pvIndex) Then &apos; No argument, return Collection object
Set oCounter = New Collect
Set oCounter._This = oCounter
oCounter._CollType = COLLCONTROLS
Set oCounter._Parent = _This
oCounter._Count = _Count
Set Controls = oCounter
Goto Exit_Function
End If
If _IsLeft(_A2B_.CalledSub, &quot;OptionGroup.&quot;) Then iArgNr = 1 Else iArgNr = 2
If Not Utils._CheckArgument(pvIndex, iArgNr, Utils._AddNumeric()) Then Goto Exit_Function
If pvIndex &lt; 0 Or pvIndex &gt; _Count - 1 Then Goto Trace_Error_Index
&apos; Start building the ocControl object
&apos; Determine exact name
Set ocControl = New Control
Set ocControl._This = ocControl
Set ocControl._Parent = _This
ocControl._ParentType = CTLPARENTISGROUP
ocControl._Shortcut = &quot;&quot;
For i = 0 To _Count - 1
If _ButtonsIndex(i) = pvIndex Then
Set ocControl.ControlModel = _ButtonsGroup(i)
Select Case _ParentType
Case CTLPARENTISDIALOG : ocControl._Name = _ButtonsGroup(i).Name
Case Else : ocControl._Name = _Name &apos; OptionGroup and individual radio buttons share the same name
End Select
ocControl._ImplementationName = ocControl.ControlModel.getImplementationName()
Exit For
End If
Next i
ocControl._FormComponent = _ParentComponent
ocControl._ClassId = acRadioButton
Select Case _ParentType
Case CTLPARENTISDIALOG : Set ocControl.ControlView = _ParentComponent.getControl(ocControl._Name)
Case Else : Set ocControl.ControlView = _ParentComponent.CurrentController.getControl(ocControl.ControlModel)
End Select
ocControl._Initialize()
ocControl._DocEntry = _DocEntry
ocControl._DbEntry = _DbEntry
Set Controls = ocControl
Exit_Function:
Utils._ResetCalledSub(&quot;OptionGroup.Controls&quot;)
Exit Function
Trace_Error_Index:
TraceError(TRACEFATAL, ERRCOLLECTION, Utils._CalledSub(), 0, 1)
Set Controls = Nothing
Goto Exit_Function
Error_Function:
TraceError(TRACEABORT, Err, &quot;OptionGroup.Controls&quot;, Erl)
Set Controls = Nothing
GoTo Exit_Function
End Function &apos; Controls
REM -----------------------------------------------------------------------------------------------------------------------
Public Function getProperty(Optional ByVal pvProperty As Variant) As Variant
&apos; Return property value of psProperty property name
Utils._SetCalledSub(&quot;OptionGroup.getProperty&quot;)
If IsMissing(pvProperty) Then Call _TraceArguments()
getProperty = _PropertyGet(pvProperty)
Utils._ResetCalledSub(&quot;OptionGroup.getProperty&quot;)
End Function &apos; getProperty
REM -----------------------------------------------------------------------------------------------------------------------
Public Function hasProperty(ByVal Optional pvProperty As Variant) As Boolean
&apos; Return True if object has a valid property called pvProperty (case-insensitive comparison !)
If IsMissing(pvProperty) Then hasProperty = PropertiesGet._hasProperty(_Type, _PropertiesList()) Else hasProperty = PropertiesGet._hasProperty(_Type, _PropertiesList(), pvProperty)
Exit Function
End Function &apos; hasProperty
REM -----------------------------------------------------------------------------------------------------------------------
Public Function setProperty(ByVal Optional psProperty As String, ByVal Optional pvValue As Variant) As Boolean
&apos; Return True if property setting OK
Utils._SetCalledSub(&quot;OptionGroup.setProperty&quot;)
setProperty = _PropertySet(psProperty, pvValue)
Utils._ResetCalledSub(&quot;OptionGroup.setProperty&quot;)
End Function
REM -----------------------------------------------------------------------------------------------------------------------
REM --- PRIVATE FUNCTIONS ---
REM -----------------------------------------------------------------------------------------------------------------------
REM -----------------------------------------------------------------------------------------------------------------------
Private Function _PropertiesList() As Variant
_PropertiesList = Array(&quot;Count&quot;, &quot;Name&quot;, &quot;ObjectType&quot;, &quot;Value&quot;)
End Function &apos; _PropertiesList
REM -----------------------------------------------------------------------------------------------------------------------
Private Function _PropertyGet(ByVal psProperty As String) As Variant
&apos; Return property value of the psProperty property name
If _ErrorHandler() Then On Local Error Goto Error_Function
Utils._SetCalledSub(&quot;OptionGroup.get&quot; &amp; psProperty)
&apos;Execute
Dim oDatabase As Object, vBookmark As Variant
Dim iValue As Integer, i As Integer
_PropertyGet = EMPTY
Select Case UCase(psProperty)
Case UCase(&quot;Count&quot;)
_PropertyGet = _Count
Case UCase(&quot;Name&quot;)
_PropertyGet = _Name
Case UCase(&quot;ObjectType&quot;)
_PropertyGet = _Type
Case UCase(&quot;Value&quot;)
iValue = -1
For i = 0 To _Count - 1 &apos; Find the selected RadioButton
If _ButtonsGroup(i).State = 1 Then
iValue = _ButtonsIndex(i)
Exit For
End If
Next i
_PropertyGet = iValue
Case Else
Goto Trace_Error
End Select
Exit_Function:
Utils._ResetCalledSub(&quot;OptionGroup.get&quot; &amp; psProperty)
Exit Function
Trace_Error:
TraceError(TRACEWARNING, ERRPROPERTY, Utils._CalledSub(), 0, 1, psProperty)
_PropertyGet = EMPTY
Goto Exit_Function
Trace_Error_Index:
TraceError(TRACEFATAL, ERRINDEXVALUE, Utils._CalledSub(), 0, 1, psProperty)
_PropertyGet = EMPTY
Goto Exit_Function
Error_Function:
TraceError(TRACEABORT, Err, &quot;OptionGroup._PropertyGet&quot;, Erl)
_PropertyGet = EMPTY
GoTo Exit_Function
End Function &apos; _PropertyGet
REM -----------------------------------------------------------------------------------------------------------------------
Private Function _PropertySet(ByVal psProperty As String, ByVal pvValue As Variant) As Boolean
Utils._SetCalledSub(&quot;OptionGroup.set&quot; &amp; psProperty)
If _ErrorHandler() Then On Local Error Goto Error_Function
_PropertySet = True
&apos;Execute
Dim i As Integer, iRadioIndex As Integer, oModel As Object, iArgNr As Integer
If _IsLeft(_A2B_.CalledSub, &quot;OptionGroup.&quot;) Then iArgNr = 1 Else iArgNr = 2
Select Case UCase(psProperty)
Case UCase(&quot;Value&quot;)
If Not Utils._CheckArgument(pvValue, iArgNr, Utils._AddNumeric(), , False) Then Goto Trace_Error_Value
If pvValue &lt; 0 Or pvValue &gt; _Count - 1 Then Goto Trace_Error_Value
For i = 0 To _Count - 1
_ButtonsGroup(i).State = 0
If _ButtonsIndex(i) = pvValue Then iRadioIndex = i
Next i
_ButtonsGroup(iRadioIndex).State = 1
Set oModel = _ButtonsGroup(iRadioIndex)
If Utils._hasUNOProperty(oModel, &quot;DataField&quot;) Then
If Not IsNull(oModel.Datafield) And Not IsEmpty(oModel.Datafield) Then
If oModel.Datafield &lt;&gt; &quot;&quot; And Utils._hasUNOMethod(oModel, &quot;commit&quot;) Then oModel.commit() &apos; f.i. checkboxes have no commit method ?? [PASTIM]
End If
End If
Case Else
Goto Trace_Error
End Select
Exit_Function:
Utils._ResetCalledSub(&quot;OptionGroup.set&quot; &amp; psProperty)
Exit Function
Trace_Error:
TraceError(TRACEFATAL, ERRPROPERTY, Utils._CalledSub(), 0, 1, psProperty)
_PropertySet = False
Goto Exit_Function
Trace_Error_Value:
TraceError(TRACEFATAL, ERRPROPERTYVALUE, Utils._CalledSub(), 0, 1, Array(pvValue, psProperty))
_PropertySet = False
Goto Exit_Function
Error_Function:
TraceError(TRACEABORT, Err, &quot;OptionGroup._PropertySet&quot;, Erl)
_PropertySet = False
GoTo Exit_Function
End Function &apos; _PropertySet
</script:module>
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