nextapp.echo.app
Class DerivedMutableStyle

java.lang.Object
  nextapp.echo.app.MutableStyle
      nextapp.echo.app.DerivedMutableStyle

All Implemented Interfaces:

java.io.Serializable, Style

public class DerivedMutableStyle
extends MutableStyle

A MutableStyle which will retrieve properties from a "parent" style when they are not set locally.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class nextapp.echo.app.MutableStyle

MutableStyle.IndexedPropertyValue

Constructor Summary

DerivedMutableStyle()
Default constructor.

DerivedMutableStyle(Style parentStyle)
Creates a new DerivedMutableStyle.

Method Summary

java.lang.Object	get(java.lang.String propertyName) Retrieves the value of the specified property.
java.lang.Object	getIndex(java.lang.String propertyName, int propertyIndex) Retrieves the value of the specified indexed property.
Style	getParentStyle() Returns the parent style.
java.util.Iterator	getPropertyNames() Retrieves the names of all set properties.
boolean	isIndexedPropertySet(java.lang.String propertyName, int propertyIndex) Determines if a particular index of an indexed property is set.
boolean	isPropertySet(java.lang.String propertyName) Determines if a particular property is set.
void	setParentStyle(Style parentStyle) Sets the parent style, from which properties will be retrieved if they are not found in this style.

Methods inherited from class nextapp.echo.app.MutableStyle

addStyleContent, getIndexedProperty, getProperty, getPropertyIndices, removeIndexedProperty, removeProperty, set, setIndex, setIndexedProperty, setProperty, size, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DerivedMutableStyle

public DerivedMutableStyle()

Default constructor.

DerivedMutableStyle

public DerivedMutableStyle(Style parentStyle)

Creates a new DerivedMutableStyle.

Parameters:

parentStyle - the style from which to retrieve properties when they are not set within this style

Method Detail

getParentStyle

public Style getParentStyle()

Returns the parent style.

Returns:

the parent style

getIndex

public java.lang.Object getIndex(java.lang.String propertyName,
                                 int propertyIndex)

Description copied from interface: Style

Retrieves the value of the specified indexed property.

Specified by:

getIndex in interface Style

Overrides:

getIndex in class MutableStyle

See Also:

Style.getIndex(java.lang.String, int)

get

public java.lang.Object get(java.lang.String propertyName)

Description copied from interface: Style

Retrieves the value of the specified property.

Specified by:

get in interface Style

Overrides:

get in class MutableStyle

See Also:

Style.get(java.lang.String)

getPropertyNames

public java.util.Iterator getPropertyNames()

Description copied from interface: Style

Retrieves the names of all set properties.

Specified by:

getPropertyNames in interface Style

Overrides:

getPropertyNames in class MutableStyle

Returns:

an Iterator that returns the names of all set properties

See Also:

Style.getPropertyNames()

isIndexedPropertySet

public boolean isIndexedPropertySet(java.lang.String propertyName,
                                    int propertyIndex)

Description copied from interface: Style

Determines if a particular index of an indexed property is set.

Specified by:

isIndexedPropertySet in interface Style

Overrides:

isIndexedPropertySet in class MutableStyle

Parameters:

propertyName - the property name

propertyIndex - the index

Returns:

true if the index is set

See Also:

Style.isIndexedPropertySet(java.lang.String, int)

isPropertySet

public boolean isPropertySet(java.lang.String propertyName)

Description copied from interface: Style

Determines if a particular property is set. In the case of an indexed property, this method will return true if any indices are set.

Specified by:

isPropertySet in interface Style

Overrides:

isPropertySet in class MutableStyle

Parameters:

propertyName - the property name

Returns:

true if the property is set

See Also:

Style.isPropertySet(java.lang.String)

setParentStyle

public void setParentStyle(Style parentStyle)

Sets the parent style, from which properties will be retrieved if they are not found in this style.

Parameters:

parentStyle - the parent style