org.activemath.exercises.model
Class PresentationBlock

java.lang.Object
  org.activemath.exercises.model.PresentationBlock

public class PresentationBlock
extends Object

This class represents a single block of content to be presented to an user. The content can be both static and interactive, this means that the static content comprised a text only and interactive content comprised interactive components such as blanks, selections or mappings. Content can be represented in different languages, each of that is the same content.

Field Summary

static String	LANG_ALL
static String	LANG_DE
static String	LANG_EN
static String	LANG_ES
static String	LANG_FR
static String	LANG_RU
static String	TYPE_BLANK
static String	TYPE_MAPPING
static String	TYPE_SELECTION
static String	TYPE_TEXT

Constructor Summary

PresentationBlock()

Method Summary

void	addContent(String language, org.jdom.Element content)
org.jdom.Element	getContent(String language)
int	getInputSize()
List	getLanguages()
String	getType()
boolean	hasLanguage(String language)
org.jdom.Element	replaceBlanksByBlanksInFormula(org.jdom.Element omobj) "revers" @link replaceBlanksInFormulaByBlanks
org.jdom.Element	replaceBlanksInFormulaByBlanks(org.jdom.Element omobj) OpenMath expression like

Methods inherited from class java.lang.Object

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

Field Detail

LANG_EN

public static final String LANG_EN

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Constant Field Values

LANG_DE

public static final String LANG_DE

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Constant Field Values

LANG_ES

public static final String LANG_ES

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Constant Field Values

LANG_FR

public static final String LANG_FR

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Constant Field Values

LANG_RU

public static final String LANG_RU

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Constant Field Values

LANG_ALL

public static final String LANG_ALL

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Constant Field Values

TYPE_TEXT

public static final String TYPE_TEXT

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Constant Field Values

TYPE_BLANK

public static final String TYPE_BLANK

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Constant Field Values

TYPE_SELECTION

public static final String TYPE_SELECTION

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Constant Field Values

TYPE_MAPPING

public static final String TYPE_MAPPING

See Also:

Constant Field Values

Constructor Detail

PresentationBlock

public PresentationBlock()

Method Detail

addContent

public void addContent(String language,
                       org.jdom.Element content)

Parameters:

language - of content to be added

content - to be added

getContent

public org.jdom.Element getContent(String language)

Parameters:

language - of content to be returned

Returns:

content associated with specified language

getLanguages

public List getLanguages()

Returns:

a list of presented languages

getInputSize

public int getInputSize()

Returns:

a number of expected user inputs. It is a sum of "blanks" and "choices" presented in this block for the first language (divided by number of presented languages).

getType

public String getType()

Returns:

the type of this presentation block.

hasLanguage

public boolean hasLanguage(String language)

Parameters:

language -

Returns:

true, if this block contains specified language.

replaceBlanksInFormulaByBlanks

public org.jdom.Element replaceBlanksInFormulaByBlanks(org.jdom.Element omobj)

OpenMath expression like will be replaced by Needed for interpreter.

Parameters:

omobj -

Returns:

the same instance of omobj.

replaceBlanksByBlanksInFormula

public org.jdom.Element replaceBlanksByBlanksInFormula(org.jdom.Element omobj)

"revers" @link replaceBlanksInFormulaByBlanks

Parameters:

omobj -

Returns:

omobj