All Packages  Class Hierarchy  This Package  Previous  Next  Index

Class semper.preferences.PrefFieldCheckBox 

java.lang.Object
   |
   +----semper.preferences.PrefField
           |
           +----semper.preferences.PrefFieldCheckBox
public class PrefFieldCheckBox
extends PrefField
This field is a checkbox with an information string. It is a subclass of the PrefField abstract class.

Version:
$Revision: 1.12 $ $Date: 1997/09/26 16:29:28 $
Author:
Louis Salvail (CWI)
See Also:
PrefFieldString, PrefFieldLabel, PrefFieldChoice, PrefFieldNegotiable

Constructor Index

o PrefFieldCheckBox()
constructor for newInstance().
o PrefFieldCheckBox(String, String, boolean)
Constructor for fields looking like a checkbox with defaults constraints.
o PrefFieldCheckBox(String, String, boolean, GridBagConstraints)
Constructor for fields looking like a checkbox.

Method Index

o applyModification()
Applies the modification to the internal representation of the state of this checkbox.
o cancel()
Cancel user's change.
o getLabel()
This return the label associated with this checkbox.
o getValue()
Set the chexkbox state.
o isModified()
Tells if the state of this checkbox has been changed by the user.
o isOK()
Returns always true.
o setValue(boolean)
Set the chexkbox state.
o setValue(Boolean)
Set the chexkbox state.
o setValue(Object)
Set the chexkbox state.
o showme(PrefFrame)
This adds the approriate checkbox to a frame.

Constructors

o PrefFieldCheckBox 
 public PrefFieldCheckBox(String fieldname,
                          String cbLabel,
                          boolean startval,
                          GridBagConstraints constraints)
Constructor for fields looking like a checkbox.

Parameters:
fieldname - is the string by wich this field is accessed through the preferences manager.
cbLabel - is the string appearing at right of the current check box.
startval - is the starting value.
constraints - is the set of GridBagConstraints for that component.
Returns:
the new checkbox field object.
See Also:
GridBagConstraints
o PrefFieldCheckBox 
 public PrefFieldCheckBox(String fieldname,
                          String cbLabel,
                          boolean startval)
Constructor for fields looking like a checkbox with defaults constraints.

Parameters:
fieldname - is the string by wich this field is accessed through the preferences manager.
cbLabel - is the string appearing at right of the current check box.
startval - is the starting value.
Returns:
the new object.
See Also:
GridBagConstraints
o PrefFieldCheckBox 
 public PrefFieldCheckBox()
constructor for newInstance().

Returns:
a new empty object.

Methods

o showme 
 public void showme(PrefFrame p)
This adds the approriate checkbox to a frame.

Parameters:
p - is the frame where the object will be shown.
Returns:
none.
Overrides:
showme in class PrefField
o getValue 
 public Object getValue()
Set the chexkbox state.

Parameters:
newval - is the boolean state of this checkbox.
Returns:
none.
Overrides:
getValue in class PrefField
o setValue 
 public void setValue(Object newval)
Set the chexkbox state.

Parameters:
newval - is the boolean state of this checkbox.
Returns:
none.
Overrides:
setValue in class PrefField
o setValue 
 public void setValue(boolean newval)
Set the chexkbox state.

Parameters:
newval - is the boolean state of this checkbox.
Returns:
none.
o setValue 
 public void setValue(Boolean newval)
Set the chexkbox state.

Parameters:
newval - is the boolean state of this checkbox.
Returns:
none.
o getLabel 
 public String getLabel()
This return the label associated with this checkbox.

Returns:
the label.
o isModified 
 public boolean isModified()
Tells if the state of this checkbox has been changed by the user.

Returns:
true iff the state has changed.
Overrides:
isModified in class PrefField
o applyModification 
 public boolean applyModification()
Applies the modification to the internal representation of the state of this checkbox.

Returns:
true iff the modification are allowed. (always true here)
Overrides:
applyModification in class PrefField
o isOK 
 public boolean isOK()
Returns always true.

Returns:
true.
Overrides:
isOK in class PrefField
o cancel 
 public void cancel()
Cancel user's change.

Returns:
none.
Overrides:
cancel in class PrefField 
All Packages  Class Hierarchy  This Package  Previous  Next  Index