org.apache.fop.render.intermediate

## Class IFContext

- java.lang.Object
- - org.apache.fop.render.intermediate.IFContext

- All Implemented Interfaces:
    PageIndexContext

      public class IFContext
      extends java.lang.Object
      implements PageIndexContext

  This class provides a context object that is valid for a single processing run to create an output file using the intermediate format. It allows access to the user agent and other context information, such as foreign attributes for certain elements in the intermediate format.

  Foreign attributes are usually specific to a particular output format implementation. Most implementations will just ignore all foreign attributes for most elements. That's why the main IF interfaces are not burdened with this.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `IFContext(FOUserAgent ua)` Main constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.Object` | `getForeignAttribute(org.apache.xmlgraphics.util.QName qName)` Returns a foreign attribute.
    `java.util.Map` | `getForeignAttributes()` Returns the currently applicable foreign attributes.
    `java.util.Locale` | `getLanguage()` Returns the currently applicable language.
    `java.lang.String` | `getLocation()` Returns the location of the object enclosing the current content.
    `int` | `getPageIndex()` Obtain current page index.
    `int` | `getPageNumber()`
    `java.lang.String` | `getRegionType()`
    `StructureTreeElement` | `getStructureTreeElement()` Returns the current structure tree element.
    `FOUserAgent` | `getUserAgent()` Returns the associated user agent.
    `boolean` | `isHyphenated()` Returns `true` if the last text in the currently processed text area is hyphenated.
    `void` | `resetForeignAttributes()` Resets the foreign attributes to "no foreign attributes".
    `void` | `resetStructureTreeElement()` Resets the current structure tree element.
    `void` | `setForeignAttributes(java.util.Map foreignAttributes)` Sets the currently applicable foreign attributes.
    `void` | `setHyphenated(boolean hyphenated)` Records that the last text in the currently processed text area is hyphenated.
    `void` | `setLanguage(java.util.Locale lang)` Sets the currently applicable language.
    `void` | `setLocation(java.lang.String location)` Sets the location of the object enclosing the current content.
    `void` | `setPageIndex(int pageIndex)` Record current page index.
    `void` | `setPageNumber(int pageNumber)`
    `void` | `setRegionType(int type)`
    `void` | `setRegionType(java.lang.String type)`
    `void` | `setStructureTreeElement(StructureTreeElement structureTreeElement)` Sets the structure tree element to which the subsequently painted marks will correspond.
    `void` | `setUserAgent(FOUserAgent ua)` Set the user agent.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### IFContext

          public IFContext(FOUserAgent ua)

      Main constructor.
      Parameters:
        `ua` - the user agent

  - ### Method Detail

    - #### setUserAgent

          public void setUserAgent(FOUserAgent ua)

      Set the user agent.
      Parameters:
        `ua` - the user agent

    - #### getUserAgent

          public FOUserAgent getUserAgent()

      Returns the associated user agent.
      Returns:
        the user agent

    - #### getForeignAttributes

          public java.util.Map getForeignAttributes()

      Returns the currently applicable foreign attributes.
      Returns:
        a Map<QName, Object>

    - #### getForeignAttribute

          public java.lang.Object getForeignAttribute(org.apache.xmlgraphics.util.QName qName)

      Returns a foreign attribute.
      Parameters:
        `qName` - the qualified name of the foreign attribute
      Returns:
        the value of the foreign attribute or null if the attribute isn't specified

    - #### setForeignAttributes

          public void setForeignAttributes(java.util.Map foreignAttributes)

      Sets the currently applicable foreign attributes.
      Parameters:
        `foreignAttributes` - a Map<QName, Object> or null to reset

    - #### resetForeignAttributes

          public void resetForeignAttributes()

      Resets the foreign attributes to "no foreign attributes".

    - #### setLanguage

          public void setLanguage(java.util.Locale lang)

      Sets the currently applicable language.
      Parameters:
        `lang` - the language

    - #### getLanguage

          public java.util.Locale getLanguage()

      Returns the currently applicable language.
      Returns:
        the language (or null if the language is undefined)

    - #### setStructureTreeElement

          public void setStructureTreeElement(StructureTreeElement structureTreeElement)

      Sets the structure tree element to which the subsequently painted marks will correspond. This method is used when accessibility features are enabled.
      Parameters:
        `structureTreeElement` - the structure tree element

    - #### resetStructureTreeElement

          public void resetStructureTreeElement()

      Resets the current structure tree element.
      See Also:
        `setStructureTreeElement(StructureTreeElement)`

    - #### getStructureTreeElement

          public StructureTreeElement getStructureTreeElement()

      Returns the current structure tree element.
      Returns:
        the structure tree element (or null if no element is active)
      See Also:
        `setStructureTreeElement(StructureTreeElement)`

    - #### setLocation

          public void setLocation(java.lang.String location)

      Sets the location of the object enclosing the current content. location the line and column location of the object in the source FO file

    - #### getLocation

          public java.lang.String getLocation()

      Returns the location of the object enclosing the current content.
      Returns:
        the line and column location of the object in the source FO file, `null` if that information is not available

    - #### setHyphenated

          public void setHyphenated(boolean hyphenated)

      Records that the last text in the currently processed text area is hyphenated.

    - #### isHyphenated

          public boolean isHyphenated()

      Returns `true` if the last text in the currently processed text area is hyphenated.

    - #### setPageIndex

          public void setPageIndex(int pageIndex)

      Record current page index.
      Parameters:
        `pageIndex` - a zero based page index or -1 (no page)

    - #### getPageIndex

          public int getPageIndex()

      Obtain current page index.
      Specified by:
        `getPageIndex` in interface `PageIndexContext`
      Returns:
        a zero based page index or -1 (no page)

    - #### getPageNumber

          public int getPageNumber()

    - #### setPageNumber

          public void setPageNumber(int pageNumber)

    - #### getRegionType

          public java.lang.String getRegionType()

    - #### setRegionType

          public void setRegionType(java.lang.String type)

    - #### setRegionType

          public void setRegionType(int type)

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