RE: [xsl] FO: center a table

[Florent Georges <darkman_spam@xxxxxxxx>]

"G. Ken Holman" wrote:

  [ I let the complete quotation, to can easily forward it
    to the FOP ML.  Response below. ]

> The way to centre a table is to use table-and-caption and
> use the "centre contents in inline-progression direction"
> directive which happens to be named "text-align=" (don't
> be distracted by the name of

> the property, that name applies even when aligning graphic
> content inside of a content window).

> There is an explicit paragraph in 6.7.2 that states the
> presence of this inheritable attribute are "placed
> relative to the context-rectangle...as specified by the
> text-align trait".  That gives credence to the
> interpretation of "text-align" to be "centre contents in
> the inline-progression direction".

> So, in the absence of table-and-caption, the table is not
> centred, but when present, the table-and-caption centres
> the table.  I believe

> the XSL-FO 1.0 specification is quite explicit on this.

> The instance below works just as expected in Antenna House
> and Ibex, though I do not get the expected results from
> XEP.  The first test doesn't use table-and-caption, while
> the other two do, the first with

> an explicit specification of text-align= and the second
> with an inherited specification of text-align=.  Thus, the
> second and third tables should be centred.

> <?xml version="1.0" encoding="iso-8859-1"?><!--georges.fo-->
> <root xmlns="http://www.w3.org/1999/XSL/Format";
>        font-family="Times" font-size="20pt">
> 
>    <layout-master-set>
>      <simple-page-master master-name="frame"
>                          page-height="297mm" page-width="210mm"
>                          margin-top="15mm" margin-bottom="15mm"
>                          margin-left="15mm" margin-right="15mm">
>        <region-body region-name="frame-body"/>
>      </simple-page-master>
>    </layout-master-set>
> 
>    <page-sequence master-reference="frame">
>      <flow flow-name="frame-body"
> xmlns="http://www.w3.org/1999/XSL/Format";>
>        <block text-align="center">
>          <block>Test 1</block>
>          <table width="5cm" border="solid 1pt">
>            <table-body>
>              <table-cell>
>                <block>Hello</block>
>              </table-cell>
>            </table-body>
>          </table>
>        </block>
>        <block>Test 2</block>
>        <table-and-caption text-align="center">
>          <table width="5cm" border="solid 1pt" text-align="start">
>            <table-body>
>              <table-cell>
>                <block>Hello</block>
>              </table-cell>
>            </table-body>
>          </table>
>        </table-and-caption>
>        <block text-align="center">
>          <block>Test 3</block>
>          <table-and-caption>
>            <table width="5cm" border="solid 1pt" text-align="start">
>              <table-body>
>                <table-cell>
>                  <block>Hello</block>
>                </table-cell>
>              </table-body>
>            </table>
>          </table-and-caption>
>        </block>
>      </flow>
>    </page-sequence>
> </root>

  Thanks for this interesting explanatin, and for the
example.  Unfortunately, FOP 0.91 beta, the FO processor I
use, seems to not support 'fo:table-and-caption'.  Below the
output from FOP (stable, alpha and beta).  The PDF output is
available at:

    http://www.fgeorges.org/tmp/center-table-0.90.pdf
    http://www.fgeorges.org/tmp/center-table-0.91.pdf

  Diagnostics:

    ~/drafts/fo> fop-0.20.5 center-table.fo center-table.pdf 
    [INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
    [INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
    [INFO] FOP 0.20.5
    [INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
    [INFO] building formatting object tree
    [INFO] setting up fonts
    [ERROR] file:/x:/eclipse3_workspace/drkm/fo/center-table.fo:19:25
      A table cell must be child of fo:table-row, not
      fo:table-body

    ~/drafts/fo> fop-0.90 center-table.fo center-table.pdf 
    Initializing User Agent Configuration
    Warning(17/47): fo:table, The collapsing border model on
      an fo:table is currently not supported by FOP
    Warning(17/47): fo:table, table-layout="auto" is
      currently not supported by FOP
    fo:table-and-caption is not yet implemented.
    Warning(27/66): fo:table, The collapsing border model on
      an fo:table is currently not supported by FOP
    Warning(27/66): fo:table, table-layout="auto" is
      currently not supported by FOP
    Warning(38/68): fo:table, The collapsing border model on
      an fo:table is currently not supported by FOP
    Warning(38/68): fo:table, table-layout="auto" is
      currently not supported by FOP
    No LayoutManager maker for class class
      org.apache.fop.fo.flow.TableAndCaption
    No LayoutManager maker for class class
      org.apache.fop.fo.flow.TableAndCaption

    ~/drafts/fo> fop-0.91 center-table.fo center-table.pdf 
    Warning(17/47): fo:table, table-layout="auto" is
      currently not supported by FOP
    fo:table-and-caption is not yet implemented.
    Warning(27/66): fo:table, table-layout="auto" is
      currently not supported by FOP
    Warning(38/68): fo:table, table-layout="auto" is
      currently not supported by FOP
    No LayoutManager maker for class class
      org.apache.fop.fo.flow.TableAndCaption
    No LayoutManager maker for class class
      org.apache.fop.fo.flow.TableAndCaption

    ~/drafts/fo> 

  I forward this email to the FOP ML.  Thanks for your help.

  Regards,

--drkm




















	

	
		
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