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

  • 1.  RE: Example of how to use fox:widow-content-limit and fox:orphan-content-limit

    Posted 10-26-2007 17:14

    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(Eleme
    ntListUtils.java:152)
    at
    org.apache.fop.layoutmgr.list.ListBlockLayoutManager.getNextKnuthElement
    s(ListBlockLayoutManager.java:130)
    at
    org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements
    (BlockStackingLayoutManager.java:284)
    at
    org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLa
    youtManager.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.getNextKnuthElement
    s(ListBlockLayoutManager.java:119)
    at
    org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements
    (BlockStackingLayoutManager.java:284)
    at
    org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLa
    youtManager.java:113)
    at
    org.apache.fop.layoutmgr.table.TableCellLayoutManager.getNextKnuthElemen
    ts(TableCellLayoutManager.java:168)
    at
    org.apache.fop.layoutmgr.table.TableContentLayoutManager.createElementsF
    orRowGroup(TableContentLayoutManager.java:480)
    at
    org.apache.fop.layoutmgr.table.TableContentLayoutManager.getKnuthElement
    sForRowIterator(TableContentLayoutManager.java:243)
    at
    org.apache.fop.layoutmgr.table.TableContentLayoutManager.getNextKnuthEle
    ments(TableContentLayoutManager.java:183)
    at
    org.apache.fop.layoutmgr.table.TableLayoutManager.getNextKnuthElements(T
    ableLayoutManager.java:229)
    at
    org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements
    (BlockStackingLayoutManager.java:284)
    at
    org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLa
    youtManager.java:113)
    at
    org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements
    (BlockStackingLayoutManager.java:284)
    at
    org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLa
    youtManager.java:113)
    at
    org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements
    (BlockStackingLayoutManager.java:284)
    at
    org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLa
    youtManager.java:113)
    at
    org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements
    (BlockStackingLayoutManager.java:284)
    at
    org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLa
    youtManager.java:113)
    at
    org.apache.fop.layoutmgr.FlowLayoutManager.getNextKnuthElements(FlowLayo
    utManager.java:106)
    at
    org.apache.fop.layoutmgr.PageSequenceLayoutManager$PageBreaker.getNextKn
    uthElements(PageSequenceLayoutManager.java:272)
    at
    org.apache.fop.layoutmgr.AbstractBreaker.getNextBlockList(AbstractBreake
    r.java:554)
    at
    org.apache.fop.layoutmgr.PageSequenceLayoutManager$PageBreaker.getNextBl
    ockList(PageSequenceLayoutManager.java:264)
    at
    org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:3
    01)
    at
    org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:2
    63)
    at
    org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout(PageSe
    quenceLayoutManager.java:157)
    at
    org.apache.fop.area.AreaTreeHandler.endPageSequence(AreaTreeHandler.java
    :385)
    at
    org.apache.fop.fo.pagination.PageSequence.endOfNode(PageSequence.java:14
    8)
    at
    org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.j
    ava:378)
    at
    org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:194)
    at
    org.apache.xalan.transformer.TransformerIdentityImpl.endElement(Transfor
    merIdentityImpl.java:1101)
    at
    org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
    at
    org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown
    Source)
    at
    org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis
    patcher.dispatch(Unknown Source)
    at
    org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unkno
    wn 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(Transform
    erIdentityImpl.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/sta
    ndard-testcases/table_fox_orphan-content-limit_1.xml?view=markup
    http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/layoutengine/sta
    ndard-testcases/table_fox_widow-content-limit_1.xml?view=markup
    http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/layoutengine/sta
    ndard-testcases/table_fox_widow-content-limit_2.xml?view=markup

    Documentation:
    http://xmlgraphics.apache.org/fop/0.94/extensions.html#widow-orphan-cont
    ent-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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