Four Js Development Tools Forum

I need to dynamically create columns in the report as per the selection on the screen.
I have a segment field (integer) with possible values ​​from 1 to 12 (referring to the months of the year).
Example: I have the month March 2021 selected.
Then I would create the columns:
JAN/2021 FEB/2021 MAR/2021, I would create these columns with the titles.
and on oneveryrow would feed the fields

Ex: JAN/2021    FEB/2021    MAR/2021 - Title
      1250,00        0,00           570,00   - oneveryrow
        380,00        1,20           954,00

 REPORT ctb0171x_ccusto_4rp - new function

 REPORT ctb0171x_ccusto - old function

Hi Jose,
There is the sample report DynamicColumnsTable.4rp which demonstrates a possible technique.
I quickly creates a simpler version for you just now. I have this 4gl:
$cat Jose.4gl:
IMPORT FGL greruntime
CONSTANT NUMBER_OF_COLUMNS=3
CONSTANT NUMBER_OF_ROWS=6

MAIN
    DEFINE saxHandler om.SaxDocumentHandler,
           row,col INTEGER,
           value DECIMAL(10,2)
    IF NOT fgl_report_loadCurrentSettings("Jose.4rp") THEN
        EXIT PROGRAM
    END IF
    CALL fgl_report_selectDevice(getPreviewDevice())
    LET saxHandler=fgl_report_commitCurrentSettings()
    START REPORT DynamicColumnReport TO XML HANDLER saxHandler
    FOR row = 1 TO NUMBER_OF_ROWS
        FOR col = 1 TO NUMBER_OF_COLUMNS
            OUTPUT TO REPORT DynamicColumnReport(NUMBER_OF_COLUMNS,row,col,row*123+col*456)
        END FOR
    END FOR
    FINISH REPORT DynamicColumnReport
END MAIN
REPORT DynamicColumnReport(numberOfColumns,row,col,value)
    DEFINE numberOfColumns,row,col,titleColumn INTEGER,
           value DECIMAL(10,2)
    ORDER EXTERNAL BY numberOfColumns,row
FORMAT

BEFORE GROUP OF numberOfColumns
    FOR titleColumn = 1 TO numberOfColumns
        PRINT titleColumn
    END FOR
ON EVERY ROW
    PRINT row,col,value

END REPORT
FUNCTION getPreviewDevice()
    DEFINE fename String
    CALL ui.interface.frontcall("standard", "feinfo", ["fename"],[fename])
    RETURN iif(fename=="Genero Desktop Client","SVG","PDF")
END FUNCTION

and this design:
$cat Jose.4rp:
<?xml version="1.0" encoding="UTF-8"?>
<report:Report xmlns:rtl="http://www.4js.com/2004/RTL" xmlns:report="http://www.4js.com/2007/REPORT" xmlns="http://www.4js.com/2004/PXML" gstVersion="40a00" version="7.00">
    <report:Settings RWPageWidth="letterwidth" RWPageLength="letterlength" RWLeftMargin="0.5inch" RWTopMargin="0.5inch" RWRightMargin="0.5inch" RWBottomMargin="0.5inch">
        <report:FormatList>
            <report:Format-SVG/>
            <report:Format-PDF/>
            <report:Format-image/>
        </report:FormatList>
    </report:Settings>
    <report:Data RWDataLocation="Jose.rdd" RWFglReportName="DynamicColumnReport"/>
    <report:Conflicts/>
    <rtl:stylesheet>
        <PXML>
            <rtl:match name="Report" nameConstraint="Report" minOccurs="1" maxOccurs="1">
                <rtl:match name="Group numberOfColumns" nameConstraint="Group" minOccurs="0" maxOccurs="unbounded">
                    <MINIPAGE name="Page Root" width="max" length="max">
                        <LAYOUTNODE name="Page Header" width="max" length="min" port="anyPageHeader">
                            <MINIPAGE name="StripeLayouter3" width="min" length="max" layoutDirection="leftToRight">
                                <WORDBOX name="Report Title" x="0" y="max/2" anchorX="0" anchorY="0.5" alignment="baseline" fontSize="25" baselineType="leftleft" floatingBehavior="enclosed" text="Report Title Here"/>
                                <PAGENOBOX name="PageNoBox" x="1.23857" y="max" anchorX="0" anchorY="1" alignment="baseline" baselineType="leftleft" floatingBehavior="enclosed" textAlignment="right"/>
                            </MINIPAGE>
                            <MINIPAGE name="Table Header" class="grwTableHeader" width="min" length="max" layoutDirection="leftToRight">
                                <WORDBOX name="Spacer" alignment="baseline" baselineType="leftleft" port="itemSeparator" text=" "/>
                                <rtl:match name="BeforeGroup numberOfColumns" nameConstraint="BeforeGroup" minOccurs="1" maxOccurs="1">
                                    <rtl:match name="For" nameConstraint="For" minOccurs="1" maxOccurs="1">
                                        <rtl:match name="ForItem" nameConstraint="ForItem" minOccurs="0" maxOccurs="unbounded">
                                            <WORDBOX name="titleColumn Title" designHints="fieldName:titleColumn;fieldRole:TableColumnTitle" class="grwTableNumericColumnTitle" width="{max(width(&quot;{&quot;TitleColumn&quot;.translate()}&quot;),width(&quot;-0000000000&quot;))}" floatingBehavior="enclosed" textAlignment="right" text="TitleColumn" localizeText="true"/>
                                        </rtl:match>
                                    </rtl:match>
                                </rtl:match>
                            </MINIPAGE>
                            <MINIPAGE name="Separator" width="1" length="max" bgColor="#000000" layoutDirection="leftToRight"/>
                        </LAYOUTNODE>
                        <rtl:match name="Group row" nameConstraint="Group" minOccurs="0" maxOccurs="unbounded">
                            <MINIPAGE name="Table Row" class="grwTableRow" width="min" length="max" layoutDirection="leftToRight">
                                <WORDBOX name="Spacer_1" alignment="baseline" baselineType="leftleft" port="itemSeparator" text=" "/>
                                <rtl:match name="OnEveryRow" nameConstraint="OnEveryRow" minOccurs="0" maxOccurs="unbounded">
                                    <rtl:input-variable name="value" type="FGLNumeric" expectedLocation="expectedHere"/>
                                    <DECIMALFORMATBOX name="value Value" designHints="fieldName:value;fieldRole:TableColumnValue" class="grwTableNumericColumnValue" width="{max(width(&quot;{&quot;Value&quot;.translate()}&quot;),width(&quot;-00,000,000.00&quot;))}" anchorX="1" floatingBehavior="enclosed" textAlignment="right" format="--,---,--&amp;.&amp;&amp;" value="{{value}}"/>
                                </rtl:match>
                            </MINIPAGE>
                        </rtl:match>
                    </MINIPAGE>
                </rtl:match>
            </rtl:match>
        </PXML>
    </rtl:stylesheet>
</report:Report>

I hope that this works as a starting point.

thanks