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Subject: RE: Example of how to use fox:widow-content-limit and fox:orphan-content-limit

Title: RE: Example of how to use fox:widow-content-limit and fox:orphan-content-limit

Seems simple enough. I copied fox:widow-content-limit into the DocBook calsTable template:


<xsl:template name="calsTable">

  <xsl:variable name="keep.together">

    <xsl:call-template name="pi.dbfo_keep-together"/>

  </xsl:variable>

  <xsl:for-each select="tgroup">

    <fo:table fox:widow-content-limit="3 * 1.2em" xsl:use-attribute-sets="table.table.properties">

      <xsl:if test="$keep.together != ''">

        <xsl:attribute name="keep-together.within-column">

          <xsl:value-of select="$keep.together"/>

        </xsl:attribute>

      </xsl:if>

      <xsl:call-template name="table.frame"/>

      <xsl:if test="following-sibling::tgroup">

        <xsl:attribute name="border-bottom-width">0pt</xsl:attribute>

        <xsl:attribute name="border-bottom-style">none</xsl:attribute>

        <xsl:attribute name="padding-bottom">0pt</xsl:attribute>

        <xsl:attribute name="margin-bottom">0pt</xsl:attribute>

        <xsl:attribute name="space-after">0pt</xsl:attribute>

        <xsl:attribute name="space-after.minimum">0pt</xsl:attribute>

        <xsl:attribute name="space-after.optimum">0pt</xsl:attribute>

        <xsl:attribute name="space-after.maximum">0pt</xsl:attribute>

      </xsl:if>

      <xsl:if test="preceding-sibling::tgroup">

        <xsl:attribute name="border-top-width">0pt</xsl:attribute>

        <xsl:attribute name="border-top-style">none</xsl:attribute>

        <xsl:attribute name="padding-top">0pt</xsl:attribute>

        <xsl:attribute name="margin-top">0pt</xsl:attribute>

        <xsl:attribute name="space-before">0pt</xsl:attribute>

        <xsl:attribute name="space-before.minimum">0pt</xsl:attribute>

        <xsl:attribute name="space-before.optimum">0pt</xsl:attribute>

        <xsl:attribute name="space-before.maximum">0pt</xsl:attribute>

      </xsl:if>

      <xsl:apply-templates select="."/>

    </fo:table>

  </xsl:for-each>

</xsl:template>

However, when I build now I get the following exception. Anyone know what I'm doing wrong?

Regards,

Jeff Powanda


SEVERE: Exception

java.lang.ClassCastException: org.apache.fop.layoutmgr.SpaceElement

        at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:168)

        at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)

        at org.apache.fop.cli.Main.startFOP(Main.java:160)

        at org.apache.fop.cli.Main.main(Main.java:191)

---------

java.lang.ClassCastException: org.apache.fop.layoutmgr.SpaceElement

        at org.apache.fop.layoutmgr.ElementListUtils.removeLegalBreaksFromEnd(ElementListUtils.java:152)

        at org.apache.fop.layoutmgr.list.ListBlockLayoutManager.getNextKnuthElements(ListBlockLayoutManager.java:130)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.list.ListItemLayoutManager.getNextKnuthElements(ListItemLayoutManager.java:229)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.list.ListBlockLayoutManager.getNextKnuthElements(ListBlockLayoutManager.java:119)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)

        at org.apache.fop.layoutmgr.table.TableCellLayoutManager.getNextKnuthElements(TableCellLayoutManager.java:168)

        at org.apache.fop.layoutmgr.table.TableContentLayoutManager.createElementsForRowGroup(TableContentLayoutManager.java:480)

        at org.apache.fop.layoutmgr.table.TableContentLayoutManager.getKnuthElementsForRowIterator(TableContentLayoutManager.java:243)

        at org.apache.fop.layoutmgr.table.TableContentLayoutManager.getNextKnuthElements(TableContentLayoutManager.java:183)

        at org.apache.fop.layoutmgr.table.TableLayoutManager.getNextKnuthElements(TableLayoutManager.java:229)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)

        at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:284)

        at org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)

        at org.apache.fop.layoutmgr.FlowLayoutManager.getNextKnuthElements(FlowLayoutManager.java:106)

        at org.apache.fop.layoutmgr.PageSequenceLayoutManager$PageBreaker.getNextKnuthElements(PageSequenceLayoutManager.java:272)

        at org.apache.fop.layoutmgr.AbstractBreaker.getNextBlockList(AbstractBreaker.java:554)

        at org.apache.fop.layoutmgr.PageSequenceLayoutManager$PageBreaker.getNextBlockList(PageSequenceLayoutManager.java:264)

        at org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:301)

        at org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:263)

        at org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout(PageSequenceLayoutManager.java:157)

        at org.apache.fop.area.AreaTreeHandler.endPageSequence(AreaTreeHandler.java:385)

        at org.apache.fop.fo.pagination.PageSequence.endOfNode(PageSequence.java:148)

        at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.java:378)

        at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:194)

        at org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1101)

        at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)

        at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)

        at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)

        at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)

        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)

        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)

        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)

        at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)

        at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:484)

        at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:165)

        at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)

        at org.apache.fop.cli.Main.startFOP(Main.java:160)

        at org.apache.fop.cli.Main.main(Main.java:191)



-----Original Message-----
From: Jeremias Maerki [mailto:dev@jeremias-maerki.ch]
Sent: Thursday, October 25, 2007 12:28 AM
To: fop-users@xmlgraphics.apache.org
Cc: docbook-apps@lists.oasis-open.org
Subject: Re: Example of how to use fox:widow-content-limit and fox:orphan-content-limit

There are a few examples in our test suite:

http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/table_fox_orphan-content-limit_1.xml?view=markup

http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/table_fox_widow-content-limit_1.xml?view=markup

http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/table_fox_widow-content-limit_2.xml?view=markup

Documentation:

http://xmlgraphics.apache.org/fop/0.94/extensions.html#widow-orphan-content-limit

Please note that normal widow/orphan processing is done using normal

XSL-FO properties. The two extension properties here are for special

cases in tables and lists only! If the documentation is not clear enough,

please tell us what we can do to improve it.

Jeremias Maerki



On 24.10.2007 20:18:26 Jeff Powanda wrote:

> Can someone tell me how to use fox:widow-content-limit and

> fox:orphan-content-limit? I'd like to control widows/orphans in DocBook

> tables, but I'm not sure how to use these FOP extensions in a DocBook

> template. I'm sending this to both the FOP and DocBook lists.

>

> 

>

> Thanks,

>

> Jeff Powanda

>


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