org.apache.fop.layoutmgr

## Interface BlockLevelEventProducer

-     public interface BlockLevelEventProducer

  Event producer interface for block-level layout managers.

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Interface and Description
    --- | ---
    `static class` | `BlockLevelEventProducer.Provider` Provider class for the event producer.

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `flowNotMappingToRegionBody(java.lang.Object source, java.lang.String flowName, java.lang.String masterName, org.xml.sax.Locator loc)` Indicates that FOP doesn't support flows that are not mapped to region-body, yet.
    `void` | `lastPageMasterReferenceMissing(java.lang.Object source, org.xml.sax.Locator loc)` Last page master reference missing.
    `void` | `layoutHasReachedParts(java.lang.Object source, int partCount)` A feasible layout has reached the given number of parts (columns or pages).
    `void` | `missingSubsequencesInPageSequenceMaster(java.lang.Object source, java.lang.String pageSequenceMasterName, org.xml.sax.Locator loc)` No subsequences in page sequence master.
    `void` | `noMatchingPageMaster(java.lang.Object source, java.lang.String pageSequenceMasterName, java.lang.String pageMasterName, org.xml.sax.Locator loc)` No single-page-master matching in page sequence master.
    `void` | `nonRestartableContentFlowingToNarrowerPage(java.lang.Object source)` An element that cannot handle changing IPD (list, table) is flowing to a narrower page.
    `void` | `objectTooWide(java.lang.Object source, java.lang.String elementName, int effIPD, int maxIPD, org.xml.sax.Locator loc)` An formatting object is too wide.
    `void` | `overconstrainedAdjustEndIndent(java.lang.Object source, java.lang.String elementName, int amount, org.xml.sax.Locator loc)` An overconstrained geometry adjustment rule was triggered (5.3.4, XSL 1.0).
    `void` | `pageSequenceMasterExhausted(java.lang.Object source, java.lang.String pageSequenceMasterName, boolean canRecover, org.xml.sax.Locator loc)` A page sequence master is exhausted.
    `void` | `regionOverflow(java.lang.Object source, java.lang.String elementName, java.lang.String page, int amount, boolean clip, boolean canRecover, org.xml.sax.Locator loc)` Contents overflow a region viewport.
    `void` | `rowTooTall(java.lang.Object source, int row, int effCellBPD, int maxCellBPD, org.xml.sax.Locator loc)` The contents of a table-row are too big to fit in the constraints.
    `void` | `staticRegionOverflow(java.lang.Object source, java.lang.String elementName, java.lang.String page, int amount, boolean clip, boolean canRecover, org.xml.sax.Locator loc)` Contents overflow a static region viewport.
    `void` | `tableFixedAutoWidthNotSupported(java.lang.Object source, org.xml.sax.Locator loc)` Auto-table layout is not supported, yet.
    `void` | `viewportBPDOverflow(java.lang.Object source, java.lang.String elementName, int amount, boolean clip, boolean canRecover, org.xml.sax.Locator loc)` Contents BPD overflow a viewport.
    `void` | `viewportIPDOverflow(java.lang.Object source, java.lang.String elementName, int amount, boolean clip, boolean canRecover, org.xml.sax.Locator loc)` Contents IPD overflow a viewport.

- - ### Method Detail

    - #### rowTooTall

          void rowTooTall(java.lang.Object source,
                          int row,
                          int effCellBPD,
                          int maxCellBPD,
                          org.xml.sax.Locator loc)

      The contents of a table-row are too big to fit in the constraints.
      Parameters:
        `source` - the event source
        `row` - the row number
        `effCellBPD` - the effective extent in block-progression direction of the cell
        `maxCellBPD` - the maximum extent in block-progression direction of the cell
        `loc` - the location of the error or null
      Event severity level:
        WARN

    - #### tableFixedAutoWidthNotSupported

          void tableFixedAutoWidthNotSupported(java.lang.Object source,
                                               org.xml.sax.Locator loc)

      Auto-table layout is not supported, yet.
      Parameters:
        `source` - the event source
        `loc` - the location of the error or null
      Event severity level:
        INFO

    - #### objectTooWide

          void objectTooWide(java.lang.Object source,
                             java.lang.String elementName,
                             int effIPD,
                             int maxIPD,
                             org.xml.sax.Locator loc)

      An formatting object is too wide.
      Parameters:
        `source` - the event source
        `elementName` - the formatting object
        `effIPD` - the effective extent in inline-progression direction of the table contents
        `maxIPD` - the maximum extent in inline-progression direction available
        `loc` - the location of the error or null
      Event severity level:
        WARN

    - #### overconstrainedAdjustEndIndent

          void overconstrainedAdjustEndIndent(java.lang.Object source,
                                              java.lang.String elementName,
                                              int amount,
                                              org.xml.sax.Locator loc)

      An overconstrained geometry adjustment rule was triggered (5.3.4, XSL 1.0).
      Parameters:
        `source` - the event source
        `elementName` - the formatting object
        `amount` - the amount of the adjustment (in mpt)
        `loc` - the location of the error or null
      Event severity level:
        INFO

    - #### viewportIPDOverflow

          void viewportIPDOverflow(java.lang.Object source,
                                   java.lang.String elementName,
                                   int amount,
                                   boolean clip,
                                   boolean canRecover,
                                   org.xml.sax.Locator loc)

      Contents IPD overflow a viewport.
      Parameters:
        `source` - the event source
        `elementName` - the formatting object
        `amount` - the amount by which the contents overflow (in mpt)
        `clip` - true if the content will be clipped
        `canRecover` - indicates whether FOP can recover from this problem and continue working
        `loc` - the location of the error or null
      Event severity level:
        ERROR

    - #### viewportBPDOverflow

          void viewportBPDOverflow(java.lang.Object source,
                                   java.lang.String elementName,
                                   int amount,
                                   boolean clip,
                                   boolean canRecover,
                                   org.xml.sax.Locator loc)

      Contents BPD overflow a viewport.
      Parameters:
        `source` - the event source
        `elementName` - the formatting object
        `amount` - the amount by which the contents overflow (in mpt)
        `clip` - true if the content will be clipped
        `canRecover` - indicates whether FOP can recover from this problem and continue working
        `loc` - the location of the error or null
      Event severity level:
        ERROR

    - #### regionOverflow

          void regionOverflow(java.lang.Object source,
                              java.lang.String elementName,
                              java.lang.String page,
                              int amount,
                              boolean clip,
                              boolean canRecover,
                              org.xml.sax.Locator loc)
                       throws LayoutException

      Contents overflow a region viewport.
      Parameters:
        `source` - the event source
        `elementName` - the formatting object
        `page` - the page number/name where the overflow happened
        `amount` - the amount by which the contents overflow (in mpt)
        `clip` - true if the content will be clipped
        `canRecover` - indicates whether FOP can recover from this problem and continue working
        `loc` - the location of the error or null
      Throws:
        `LayoutException` - the layout error provoked by the method call
      Event severity level:
        FATAL

    - #### staticRegionOverflow

          void staticRegionOverflow(java.lang.Object source,
                                    java.lang.String elementName,
                                    java.lang.String page,
                                    int amount,
                                    boolean clip,
                                    boolean canRecover,
                                    org.xml.sax.Locator loc)
                             throws LayoutException

      Contents overflow a static region viewport.
      Parameters:
        `source` - the event source
        `elementName` - the formatting object
        `page` - the page number/name where the overflow happened
        `amount` - the amount by which the contents overflow (in mpt)
        `clip` - true if the content will be clipped
        `canRecover` - indicates whether FOP can recover from this problem and continue working
        `loc` - the location of the error or null
      Throws:
        `LayoutException` - the layout error provoked by the method call
      Event severity level:
        FATAL

    - #### flowNotMappingToRegionBody

          void flowNotMappingToRegionBody(java.lang.Object source,
                                          java.lang.String flowName,
                                          java.lang.String masterName,
                                          org.xml.sax.Locator loc)
                                   throws java.lang.UnsupportedOperationException

      Indicates that FOP doesn't support flows that are not mapped to region-body, yet.
      Parameters:
        `source` - the event source
        `flowName` - the flow name
        `masterName` - the page master name
        `loc` - the location of the error or null
      Throws:
        `java.lang.UnsupportedOperationException` - the layout error provoked by the method call
      Event severity level:
        FATAL

    - #### pageSequenceMasterExhausted

          void pageSequenceMasterExhausted(java.lang.Object source,
                                           java.lang.String pageSequenceMasterName,
                                           boolean canRecover,
                                           org.xml.sax.Locator loc)
                                    throws PageProductionException

      A page sequence master is exhausted.
      Parameters:
        `source` - the event source
        `pageSequenceMasterName` - the name of the page sequence master
        `canRecover` - indicates whether FOP can recover from this problem and continue working
        `loc` - the location of the error or null
      Throws:
        `PageProductionException` - the error provoked by the method call
      Event severity level:
        FATAL

    - #### missingSubsequencesInPageSequenceMaster

          void missingSubsequencesInPageSequenceMaster(java.lang.Object source,
                                                       java.lang.String pageSequenceMasterName,
                                                       org.xml.sax.Locator loc)
                                                throws PageProductionException

      No subsequences in page sequence master.
      Parameters:
        `source` - the event source
        `pageSequenceMasterName` - the name of the page sequence master
        `loc` - the location of the error or null
      Throws:
        `PageProductionException` - the error provoked by the method call
      Event severity level:
        FATAL

    - #### noMatchingPageMaster

          void noMatchingPageMaster(java.lang.Object source,
                                    java.lang.String pageSequenceMasterName,
                                    java.lang.String pageMasterName,
                                    org.xml.sax.Locator loc)
                             throws PageProductionException

      No single-page-master matching in page sequence master.
      Parameters:
        `source` - the event source
        `pageSequenceMasterName` - the name of the page sequence master
        `pageMasterName` - the name of the page master not matching
        `loc` - the location of the error or null
      Throws:
        `PageProductionException` - the error provoked by the method call
      Event severity level:
        FATAL

    - #### nonRestartableContentFlowingToNarrowerPage

          void nonRestartableContentFlowingToNarrowerPage(java.lang.Object source)

      An element that cannot handle changing IPD (list, table) is flowing to a narrower page. Some content may be lost.
      Parameters:
        `source` - the event source
      Event severity level:
        WARN

    - #### layoutHasReachedParts

          void layoutHasReachedParts(java.lang.Object source,
                                     int partCount)

      A feasible layout has reached the given number of parts (columns or pages).
      Parameters:
        `source` - the event source
        `partCount` - the number of parts that the layout has reached
      Event severity level:
        INFO

    - #### lastPageMasterReferenceMissing

          void lastPageMasterReferenceMissing(java.lang.Object source,
                                              org.xml.sax.Locator loc)

      Last page master reference missing.
      Parameters:
        `source` - the event source
      Event severity level:
        WARN

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