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Interface guinea.ui.QuestionInterface

public interface QuestionInterface
This interface is implemented all UI components that are used by subjects to answer to questions.

Method Index

· addAnswerListener(AnswerListener)
Add a listener that is interested to receive answer events.
· getAnswer()
Get answer for question.
· getQuestion()
Get the text of the question.
· getQuestionID()
Get the ID of the question.
· isAnswered()
See if an answer has been given.
· isEnabled()
Test whether question is enabled for answering.
· isQuestionEnabled()
Test whether question is enabled or disabled.
· removeAnswerListener(AnswerListener)
Remove a listener from listener list.
· reset()
Reset question to default answer and/or to unanswered state.
· setAnswer(Object)
Set answer of question.
· setEnabled(boolean)
Disable or enable the question.
· setQuestion(String)
Set the text of the question.
· setQuestionEnabled(boolean)
Enable or disable question component.
· setQuestionID(String)
Set the ID of this question.

Methods

· setQuestionEnabled 
 public abstract void setQuestionEnabled(boolean enabled)
Enable or disable question component.

Parameters:
enabled - Use true to enable, false to disable the question.
· isQuestionEnabled 
 public abstract boolean isQuestionEnabled()
Test whether question is enabled or disabled.

Returns:
true if question is enabled, false if not.
· getAnswer 
 public abstract Object getAnswer()
Get answer for question. Usually answers are delivered with AnswerEvents.

Returns:
the answer or null if answer havent geen given yet.
· setAnswer 
 public abstract void setAnswer(Object answer)
Set answer of question. Used to set default answer or

Parameters:
answer - the answer to question. If answer is null the answer is reset and marked as not answered.
· isAnswered 
 public abstract boolean isAnswered()
See if an answer has been given.

Returns:
true if user has given an answer.
· setEnabled 
 public abstract void setEnabled(boolean enable)
Disable or enable the question. When enabled the question can be answered.

Parameters:
enable - true/false to enable/disable answering.
· isEnabled 
 public abstract boolean isEnabled()
Test whether question is enabled for answering.

Returns:
true if enabled.
· setQuestion 
 public abstract void setQuestion(String question)
Set the text of the question.

Parameters:
question - text of the question.
· getQuestion 
 public abstract String getQuestion()
Get the text of the question.

Returns:
text of the question.
· setQuestionID 
 public abstract void setQuestionID(String id)
Set the ID of this question.

Parameters:
id - ID label of question.
· getQuestionID 
 public abstract String getQuestionID()
Get the ID of the question.

Returns:
ID label of the question.
· reset 
 public abstract void reset()
Reset question to default answer and/or to unanswered state.

· addAnswerListener 
 public abstract void addAnswerListener(AnswerListener listener)
Add a listener that is interested to receive answer events.

Parameters:
listener - a listener.
· removeAnswerListener 
 public abstract void removeAnswerListener(AnswerListener listener)
Remove a listener from listener list.

Parameters:
listener - a listener. 
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