edu.washington.cs.supple.rep
Class StateVarImpl

java.lang.Object
  edu.washington.cs.supple.rep.SuppleBeanImpl
      edu.washington.cs.supple.rep.SuppleUiObjectHierarchyElementImpl
          edu.washington.cs.supple.rep.UiObjectImpl
              edu.washington.cs.supple.rep.StateVarImpl

All Implemented Interfaces:

java.lang.Cloneable, ConstraintManipulation, java.util.EventListener, java.beans.PropertyChangeListener, java.io.Serializable, StateVar, SuppleBean, SuppleUiObjectHierarchyElement, UiObject, ValueListener

public class StateVarImpl

extends UiObjectImpl

implements StateVar, java.lang.Cloneable

Represents state variable elements

Author:

kgajos

See Also:

Serialized Form

Field Summary

protected boolean	requestedActive
protected ValueBinding	valueBinding
protected java.lang.Object	valueCache

Fields inherited from class edu.washington.cs.supple.rep.UiObjectImpl

active, activeValue, constraints, currentView, hints, interfaceIdentifier, modifiable, runtime, textLabel, type, uniqueId, uniqueIdCounter

Fields inherited from class edu.washington.cs.supple.rep.SuppleUiObjectHierarchyElementImpl

name, parent

Fields inherited from class edu.washington.cs.supple.rep.SuppleBeanImpl

pcs

Constructor Summary

StateVarImpl(SuppleType type, java.lang.String label, boolean modifiable)

StateVarImpl(SuppleType type, java.lang.String label, ValueBinding valueBinding, boolean modifiable)

Method Summary

protected void	acceptBindingVisitor(UiVisitor visitor) Helper for accept() - allows subclasses to extend the bindings to be visited without overriding accept().
void	bindValue(ValueBinding binding) Rebinds this object's value
void	childChanged() Called by a child object if something in it or below it changes
java.lang.Object	clone()
java.lang.String	getIndex() Gets the index of this object's current value
java.lang.String	getIndex(int maxLength)
java.lang.Object	getValue() Returns locally cached value of the underlying bean
ValueBinding	getValueBinding() Get the value binding.
boolean	hasValue() Returns true if a value (other than null) has been set for this element
void	propertyChange(java.beans.PropertyChangeEvent event)
void	setActive(boolean a) Lets you manually set the active state of a UiObject.
void	setValue(java.lang.Object v) Sets the current value of this object
java.lang.String	toPrettyString(java.lang.String pref)
java.lang.String	toString()
protected void	updateIndex()
protected void	updateValue(java.lang.Object value) Update the local cache of bean's value and fire appropriate change event
void	valueChanged(ValueBinding binding, java.lang.Object newValue) Signals variable change.
protected void	verifyCurrentValue()

Methods inherited from class edu.washington.cs.supple.rep.UiObjectImpl

accept, addRenderingConstraint, addRenderingHint, bindActive, equals, getBottomUpObjects, getCommonAncestor, getInterfaceIdentifier, getPath, getRenderingConstraints, getRenderingHints, getTextLabel, getType, getUniqueId, getView, hashCode, hasTextLabel, isActive, isLeaf, isModifiable, isRuntime, setRuntime, setType, setView, updateParent

Methods inherited from class edu.washington.cs.supple.rep.SuppleUiObjectHierarchyElementImpl

getAncestors, getFullName, getName, getParent, getParentObject, getRootObject, isChildOf, isDescendantOf, isRoot, setName, setParent

Methods inherited from class edu.washington.cs.supple.rep.SuppleBeanImpl

addPropertyChangeListener, removePropertyChangeListener

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface edu.washington.cs.supple.rep.UiObject

accept, equals, getInterfaceIdentifier, getTextLabel, getType, getUniqueId, getView, hashCode, hasTextLabel, isActive, isLeaf, isModifiable, isRuntime, setRuntime, setView

Methods inherited from interface edu.washington.cs.supple.rep.SuppleUiObjectHierarchyElement

getAncestors, getFullName, getName, getParent, getParentObject, getRootObject, isChildOf, isDescendantOf, isRoot, setName, setParent

Methods inherited from interface edu.washington.cs.supple.rep.SuppleBean

addPropertyChangeListener, removePropertyChangeListener

Methods inherited from interface edu.washington.cs.supple.rep.ConstraintManipulation

addRenderingConstraint, addRenderingHint, getRenderingConstraints, getRenderingHints

Field Detail

valueCache

protected java.lang.Object valueCache

valueBinding

protected transient ValueBinding valueBinding

requestedActive

protected boolean requestedActive

Constructor Detail

StateVarImpl

public StateVarImpl(SuppleType type,
                    java.lang.String label,
                    boolean modifiable)

Parameters:

type -

label -

modifiable -

StateVarImpl

public StateVarImpl(SuppleType type,
                    java.lang.String label,
                    ValueBinding valueBinding,
                    boolean modifiable)

Parameters:

type -

label -

modifiable -

Method Detail

toString

public java.lang.String toString()

Specified by:

toString in interface UiObject

Overrides:

toString in class UiObjectImpl

toPrettyString

public java.lang.String toPrettyString(java.lang.String pref)

Specified by:

toPrettyString in interface UiObject

Overrides:

toPrettyString in class UiObjectImpl

clone

public java.lang.Object clone()

Overrides:

clone in class UiObjectImpl

bindValue

public void bindValue(ValueBinding binding)

Description copied from interface: StateVar

Rebinds this object's value

Specified by:

bindValue in interface StateVar

Parameters:

binding -

getValueBinding

public ValueBinding getValueBinding()

Description copied from interface: StateVar

Get the value binding.

Specified by:

getValueBinding in interface StateVar

setActive

public void setActive(boolean a)

Description copied from interface: UiObject

Lets you manually set the active state of a UiObject. If the UiObject is bound to a value it may be switched back.

Specified by:

setActive in interface UiObject

Overrides:

setActive in class UiObjectImpl

Parameters:

a - new value

updateValue

protected void updateValue(java.lang.Object value)

Update the local cache of bean's value and fire appropriate change event

Parameters:

value - the new value of the bean

getValue

public java.lang.Object getValue()

Description copied from interface: StateVar

Returns locally cached value of the underlying bean

Specified by:

getValue in interface StateVar

Returns:

value of the underlying bean

hasValue

public boolean hasValue()

Description copied from interface: StateVar

Returns true if a value (other than null) has been set for this element

Specified by:

hasValue in interface StateVar

Returns:

true if a value has been set for this element

setValue

public void setValue(java.lang.Object v)

Description copied from interface: StateVar

Sets the current value of this object

Specified by:

setValue in interface StateVar

Parameters:

v - new value

verifyCurrentValue

protected void verifyCurrentValue()

updateIndex

protected void updateIndex()

getIndex

public java.lang.String getIndex()

Description copied from interface: StateVar

Gets the index of this object's current value

Specified by:

getIndex in interface StateVar

Returns:

getIndex

public java.lang.String getIndex(int maxLength)

propertyChange

public void propertyChange(java.beans.PropertyChangeEvent event)

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

Overrides:

propertyChange in class UiObjectImpl

childChanged

public void childChanged()

Description copied from interface: UiObject

Called by a child object if something in it or below it changes

Specified by:

childChanged in interface UiObject

Overrides:

childChanged in class UiObjectImpl

valueChanged

public void valueChanged(ValueBinding binding,
                         java.lang.Object newValue)

Description copied from interface: ValueListener

Signals variable change.

Specified by:

valueChanged in interface ValueListener

Overrides:

valueChanged in class UiObjectImpl

acceptBindingVisitor

protected void acceptBindingVisitor(UiVisitor visitor)

Description copied from class: UiObjectImpl

Helper for accept() - allows subclasses to extend the bindings to be visited without overriding accept().

Overrides:

acceptBindingVisitor in class UiObjectImpl