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Diffstat (limited to 'wizards/source/sfdocuments/SF_DocumentListener.xba')
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1 files changed, 114 insertions, 0 deletions
diff --git a/wizards/source/sfdocuments/SF_DocumentListener.xba b/wizards/source/sfdocuments/SF_DocumentListener.xba new file mode 100644 index 000000000..fbb0271bb --- /dev/null +++ b/wizards/source/sfdocuments/SF_DocumentListener.xba @@ -0,0 +1,114 @@ +<?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="SF_DocumentListener" script:language="StarBasic" script:moduleType="normal">REM ======================================================================================================================= +REM === The ScriptForge library and its associated libraries are part of the LibreOffice project. === +REM === The SFDocuments library is one of the associated libraries. === +REM === Full documentation is available on https://help.libreoffice.org/ === +REM ======================================================================================================================= + +Option Compatible +Option Explicit + +''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' +''' SF_DocumentListener +''' =================== +''' The current module is dedicated to the management of document events + listeners, triggered by user actions, +''' which cannot be defined with the Basic IDE +''' +''' Concerned listeners: +''' com.sun.star.sheet.XRangeSelectionListener +''' allowing a user to select a cell range at any moment +''' +''' The described events/listeners are processed by UNO listeners +''' +''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +REM ================================================================= DEFINITIONS + +REM ============================================================= PRIVATE MEMBERS + +Private _SelectedRange As String ' The selected range is returned by a "done" event +Private _RangeSelectionFinished As Boolean ' Flag indicating that the interaction with the user has stopped + +REM ================================================================== EXCEPTIONS + +REM ============================================================== PUBLIC METHODS + +REM ----------------------------------------------------------------------------- +Public Function RunRangeSelector(ByRef poComponent As Object _ + , ByRef pvPropertyValues As Variant _ + ) As String +''' Called from the SF_Calc.OpenRangeSelector() method +''' Opens a non-modal dialog with a text box, +''' let the user make a selection in the current or another sheet and +''' returns the selected area as a string. + +Dim oController As Object ' com.sun.star.frame.Controller +Dim oListener As Object ' com.sun.star.sheet.XRangeSelectionListener +Dim lCountLoops As Long ' Sleep cycles counter + +Const cstListenerPrefix = "_SFRGSEL_" ' Prefix used for naming events Subs +Const cstSleep = 50 ' Sleep steps in ms while waiting for the end of the interaction +Const cstMaxSleep = (60 * 5 * 1000) / cstSleep ' Never sleep more than 5 minutes. Afterwards, processing continues + + On Local Error GoTo Catch ' Avoid stopping event scripts + +Try: + ' Create the listener + Set oController = poComponent.CurrentController + Set oListener = CreateUnoListener(cstListenerPrefix, "com.sun.star.sheet.XRangeSelectionListener") + oController.addRangeSelectionListener(oListener) + + ' Open the selector + _SelectedRange = "" + _RangeSelectionFinished = False + oController.startRangeSelection(pvPropertyValues) + + ' Dummy thread synchronization + lCountLoops = 0 + Do While Not _RangeSelectionFinished And lCountLoops < cstMaxSleep + Wait(cstSleep) + lCountLoops = lCountLoops + 1 + Loop + +Finally: + If Not IsNull(oListener) Then oController.removeRangeSelectionListener(oListener) + RunRangeSelector = _SelectedRange + Exit Function +Catch: + GoTo Finally +End Function ' SFDocuments.SF_DocumentListener.RunRangeSelector + +REM ============================================================= PRIVATE METHODS + +REM ----------------------------------------------------------------------------- +Sub _SFRGSEL_done(Optional poEvent As Object) ' com.sun.star.sheet.RangeSelectionEvent + + On Local Error GoTo Catch ' Avoid stopping event scripts + +Try: + _SelectedRange = poEvent.RangeDescriptor + _RangeSelectionFinished = True + +Finally: + Exit Sub +Catch: + GoTo Finally +End Sub + +REM ----------------------------------------------------------------------------- +Sub _SFRGSEL_aborted(Optional poEvent As Object) ' com.sun.star.sheet.RangeSelectionEvent + + On Local Error GoTo Catch ' Avoid stopping event scripts + +Try: + _RangeSelectionFinished = True + +Finally: + Exit Sub +Catch: + GoTo Finally +End Sub + +REM ============================================ END OF SFDIALOGS.SF_DIALOGLISTENER +</script:module>
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