org.apache.fop.layoutmgr

## Interface BlockLevelLayoutManager

- All Superinterfaces:
    LayoutManager, PercentBaseContext
  All Known Implementing Classes:
    BlockContainerLayoutManager, BlockLayoutManager, BlockStackingLayoutManager, FloatContentLayoutManager, FlowLayoutManager, FootnoteBodyLayoutManager, LineLayoutManager, ListBlockLayoutManager, ListItemContentLayoutManager, ListItemLayoutManager, MultiCaseLayoutManager, MultiSwitchLayoutManager, SpacedBorderedPaddedBlockLayoutManager, StaticContentLayoutManager, TableAndCaptionLayoutManager, TableCaptionLayoutManager, TableCellLayoutManager, TableLayoutManager

      public interface BlockLevelLayoutManager
      extends LayoutManager

  The interface for LayoutManagers which generate block areas

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `discardSpace(KnuthGlue spaceGlue)` Discard space.
    `Keep` | `getKeepTogether()` Returns the keep-together strength for this element.
    `KeepProperty` | `getKeepTogetherProperty()` Returns the keep-together property specified on the FObj.
    `Keep` | `getKeepWithNext()` Returns the keep-with-next strength for this element.
    `KeepProperty` | `getKeepWithNextProperty()` Returns the keep-with-next property specified on the FObj.
    `Keep` | `getKeepWithPrevious()` Returns the keep-with-previous strength for this element.
    `KeepProperty` | `getKeepWithPreviousProperty()` Returns the keep-with-previous property specified on the FObj.
    `boolean` | `mustKeepTogether()`
    `boolean` | `mustKeepWithNext()`
    `boolean` | `mustKeepWithPrevious()`
    `int` | `negotiateBPDAdjustment(int adj, KnuthElement lastElement)` Negotiate BPD adjustment.

    - ### Methods inherited from interface org.apache.fop.layoutmgr.LayoutManager

      `addAreas, addChildArea, addChildLM, addChildLMs, createNextChildLMs, getBaselineOffset, getChangedKnuthElements, getChildLMs, getContentAreaBPD, getContentAreaIPD, getFObj, getGeneratesBlockArea, getGeneratesLineArea, getGeneratesReferenceArea, getNextKnuthElements, getNextKnuthElements, getParent, getParentArea, getPSLM, hasLineAreaDescendant, initialize, isFinished, isRestartable, notifyPos, reset, setFinished, setParent`

    - ### Methods inherited from interface org.apache.fop.datatypes.PercentBaseContext

      `getBaseLength`

- - ### Method Detail

    - #### negotiateBPDAdjustment

          int negotiateBPDAdjustment(int adj,
                                     KnuthElement lastElement)

      Negotiate BPD adjustment.
      Parameters:
        `adj` - amount to adjust
        `lastElement` - the last knuth element
      Returns:
        the resulting adjusted BPD

    - #### discardSpace

          void discardSpace(KnuthGlue spaceGlue)

      Discard space.
      Parameters:
        `spaceGlue` - the space

    - #### getKeepTogether

          Keep getKeepTogether()

      Returns the keep-together strength for this element.
      Returns:
        the keep-together strength

    - #### mustKeepTogether

          boolean mustKeepTogether()

      Returns:
        true if this element must be kept together

    - #### getKeepWithPrevious

          Keep getKeepWithPrevious()

      Returns the keep-with-previous strength for this element.
      Returns:
        the keep-with-previous strength

    - #### mustKeepWithPrevious

          boolean mustKeepWithPrevious()

      Returns:
        true if this element must be kept with the previous element.

    - #### getKeepWithNext

          Keep getKeepWithNext()

      Returns the keep-with-next strength for this element.
      Returns:
        the keep-with-next strength

    - #### mustKeepWithNext

          boolean mustKeepWithNext()

      Returns:
        true if this element must be kept with the next element.

    - #### getKeepTogetherProperty

          KeepProperty getKeepTogetherProperty()

      Returns the keep-together property specified on the FObj.
      Returns:
        the keep-together property

    - #### getKeepWithPreviousProperty

          KeepProperty getKeepWithPreviousProperty()

      Returns the keep-with-previous property specified on the FObj.
      Returns:
        the keep-together property

    - #### getKeepWithNextProperty

          KeepProperty getKeepWithNextProperty()

      Returns the keep-with-next property specified on the FObj.
      Returns:
        the keep-together property

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