[reportlab-users] Problem with a table of tables

[Tim Roberts]

Holyoak, Shawn wrote:

>

> I’m really new to ReportLab, and I’m trying to layout a table of

> tables (i.e., each row of the table is a table).  I’m doing this as I

> need to repeat a row at the top of each page, but the rows of the

> subtables have different column counts (attached, if attachments are

> accepted, is what the report looks like). 

>


In my view, tables are just the wrong way to solve this problem.  What
you have here is a very simple, traditional report-writer report with
detail lines and a group subtotals.  Just track the Y coordinate and do
the drawing yourself.  Define a function to draw your detail line where
you pass the four fields.  Include a parameter to specify whether to
draw a line above or below.  You can use that same function to draw your
page header and your group subtotal line.

    def DrawDetailLine( self, Y, fields, line=false ):
        self.canvas.drawText( 1*inch, Y, fields[0] )
        self.canvas.drawText( 3*inch, Y, fields[1] )
        self.canvas.drawText( 5*inch, Y, fields[2] )
        self.canvas.drawRightText( 7*inch, Y, fields[3] )
        if line:
           self.canvas.line( 1*inch, Y-6, 7.5*inch, Y-6 )
        return Y - self.canvas._leading

Now you just loop through your database records, watching for the date
to change.  You then close and print your subtotal, skip a bit, and
print the new date.

-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.

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