[reportlab-users] Can a pagetemplate modify its frames?

[Roberto Alsina]

On Thursday 28 August 2008 11:54:58 Roberto Alsina wrote:

> I am trying to implement a "smart page" PageTemplate which does things like

> adjust margins and show/hide headers and footers depending on the content.

>

> Can I modify self.frames from a PageTemplate?

>

> I tried this to implement a "gutter margin" with no visible effect:

>

>     def beforePage(self,canv,doc):


Make that beforeDrawPage (BTW, the manual is wrong here ;-)


>         print self.frames[0].__dict__

>

>         # Adjust gutter margins

>         if doc.page%2: #Odd page

>             gm=self.gm

>         else: # Even page

>             gm=-self.gm

>

>         print gm

>

>         for f in self.frames:

>             f._x+=gm

>             f._x1+=gm

>             f._x2+=gm

>

> The values change but the frame doesn't move :-)


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