Package com.helger.css.decl

Class CSSStyleRule

java.lang.Object

com.helger.css.decl.CSSStyleRule

All Implemented Interfaces:

com.helger.commons.traits.IGenericImplTrait<CSSStyleRule>, ICSSTopLevelRule, IHasCSSDeclarations<CSSStyleRule>, ICSSSourceLocationAware, ICSSWriteable

@NotThreadSafe
public class CSSStyleRule
extends Object
implements ICSSTopLevelRule, IHasCSSDeclarations<CSSStyleRule>, ICSSSourceLocationAware

Represents a single CSS style rule. A style rule consists of a number of selectors (determine the element to which the style rule applies) and a number of declarations (the rules to be applied to the selected elements).
Example:
div { color: red; }

Author:

Philip Helger

Constructor Summary

Constructors

Constructor	Description
CSSStyleRule()

Method Summary

Modifier and Type	Method	Description
CSSStyleRule	addDeclaration(int nIndex, CSSDeclaration aNewDeclaration)	Add a new declaration at the specified index.
CSSStyleRule	addDeclaration(CSSDeclaration aDeclaration)	Add a new declaration.
CSSStyleRule	addSelector(int nIndex, CSSSelector aSelector)
CSSStyleRule	addSelector(int nIndex, ICSSSelectorMember aSingleSelectorMember)
CSSStyleRule	addSelector(CSSSelector aSelector)
CSSStyleRule	addSelector(ICSSSelectorMember aSingleSelectorMember)
boolean	equals(Object o)
com.helger.commons.collection.impl.ICommonsList<CSSDeclaration>	getAllDeclarations()
com.helger.commons.collection.impl.ICommonsList<CSSDeclaration>	getAllDeclarationsOfPropertyName(String sPropertyName)	Get all declarations within this list that have the specified property name.
com.helger.commons.collection.impl.ICommonsList<CSSSelector>	getAllSelectors()
String	getAsCSSString(ICSSWriterSettings aSettings, int nIndentLevel)	Get the contents of this object as a serialized CSS string for writing to an output.
CSSDeclaration	getDeclarationAtIndex(int nIndex)
int	getDeclarationCount()
CSSDeclaration	getDeclarationOfPropertyName(String sPropertyName)	Get the first declaration with the specified property name.
CSSSelector	getSelectorAtIndex(int nSelectorIndex)
int	getSelectorCount()
String	getSelectorsAsCSSString(ICSSWriterSettings aSettings, int nIndentLevel)
final CSSSourceLocation	getSourceLocation()
boolean	hasDeclarations()
int	hashCode()
boolean	hasSelectors()
com.helger.commons.state.EChange	removeAllDeclarations()	Remove all declarations.
com.helger.commons.state.EChange	removeAllSelectors()	Remove all selectors.
com.helger.commons.state.EChange	removeDeclaration(int nDeclarationIndex)	Remove the declaration at the specified index
com.helger.commons.state.EChange	removeDeclaration(CSSDeclaration aDeclaration)	Remove the given declaration
com.helger.commons.state.EChange	removeSelector(int nSelectorIndex)
com.helger.commons.state.EChange	removeSelector(CSSSelector aSelector)
CSSStyleRule	setDeclarationAtIndex(int nIndex, CSSDeclaration aNewDeclaration)	Set the declaration at the specified index with a new one.
final void	setSourceLocation(CSSSourceLocation aSourceLocation)	Set the source location of the object, determined while parsing.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.helger.css.ICSSWriteable

getAsCSSString, getAsCSSString

Methods inherited from interface com.helger.commons.traits.IGenericImplTrait

thisAsT

Methods inherited from interface com.helger.css.decl.IHasCSSDeclarations

addDeclaration, getAllDeclarationsOfPropertyNameCaseInsensitive, getDeclarationOfPropertyNameCaseInsensitive

Constructor Details

CSSStyleRule

public CSSStyleRule()

Method Details

hasSelectors

public boolean hasSelectors()

getSelectorCount

@Nonnegative
public int getSelectorCount()

addSelector

@Nonnull
public CSSStyleRule addSelector(@Nonnull
 ICSSSelectorMember aSingleSelectorMember)

addSelector

@Nonnull
public CSSStyleRule addSelector(@Nonnull
 CSSSelector aSelector)

addSelector

@Nonnull
public CSSStyleRule addSelector(@Nonnegative
 int nIndex,
 @Nonnull
 ICSSSelectorMember aSingleSelectorMember)

addSelector

@Nonnull
public CSSStyleRule addSelector(@Nonnegative
 int nIndex,
 @Nonnull
 CSSSelector aSelector)

removeSelector

@Nonnull
public com.helger.commons.state.EChange removeSelector(@Nonnull
 CSSSelector aSelector)

removeSelector

@Nonnull
public com.helger.commons.state.EChange removeSelector(@Nonnegative
 int nSelectorIndex)

removeAllSelectors

@Nonnull
public com.helger.commons.state.EChange removeAllSelectors()

Remove all selectors.

Returns:

EChange.CHANGED if any selector was removed, EChange.UNCHANGED otherwise. Never null.

Since:

3.7.3

getSelectorAtIndex

@Nullable
public CSSSelector getSelectorAtIndex(@Nonnegative
 int nSelectorIndex)

getAllSelectors

@Nonnull
@ReturnsMutableCopy
public com.helger.commons.collection.impl.ICommonsList<CSSSelector> getAllSelectors()

addDeclaration

@Nonnull
public CSSStyleRule addDeclaration(@Nonnull
 CSSDeclaration aDeclaration)

Description copied from interface: IHasCSSDeclarations

Add a new declaration.

Specified by:

addDeclaration in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

aDeclaration - The declaration to be added. May not be null.

Returns:

this

addDeclaration

@Nonnull
public CSSStyleRule addDeclaration(@Nonnegative
 int nIndex,
 @Nonnull
 CSSDeclaration aNewDeclaration)

Description copied from interface: IHasCSSDeclarations

Add a new declaration at the specified index.

Specified by:

addDeclaration in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

nIndex - The index to retrieve. Must be ≥ 0. If the index is ≥ than getDeclarationCount(), it behaves like IHasCSSDeclarations.addDeclaration(CSSDeclaration).

aNewDeclaration - The declaration to be added. May not be null.

Returns:

this

removeDeclaration

@Nonnull
public com.helger.commons.state.EChange removeDeclaration(@Nonnull
 CSSDeclaration aDeclaration)

Description copied from interface: IHasCSSDeclarations

Remove the given declaration

Specified by:

removeDeclaration in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

aDeclaration - The declaration to be removed. May not be null.

Returns:

EChange.CHANGED if the declaration was successfully removed

removeDeclaration

@Nonnull
public com.helger.commons.state.EChange removeDeclaration(@Nonnegative
 int nDeclarationIndex)

Description copied from interface: IHasCSSDeclarations

Remove the declaration at the specified index

Specified by:

removeDeclaration in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

nDeclarationIndex - The index of the declaration to be removed. Must be ≥ 0.

Returns:

EChange.CHANGED if the declaration was successfully removed, EChange.UNCHANGED if the index was invalid.

removeAllDeclarations

@Nonnull
public com.helger.commons.state.EChange removeAllDeclarations()

Description copied from interface: IHasCSSDeclarations

Remove all declarations.

Specified by:

removeAllDeclarations in interface IHasCSSDeclarations<CSSStyleRule>

Returns:

EChange.CHANGED if any declaration was removed, EChange.UNCHANGED otherwise. Never null.

getAllDeclarations

@Nonnull
@ReturnsMutableCopy
public com.helger.commons.collection.impl.ICommonsList<CSSDeclaration> getAllDeclarations()

Specified by:

getAllDeclarations in interface IHasCSSDeclarations<CSSStyleRule>

Returns:

A mutable, non-null copy of all contained declarations.

getDeclarationAtIndex

@Nullable
public CSSDeclaration getDeclarationAtIndex(@Nonnegative
 int nIndex)

Specified by:

getDeclarationAtIndex in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

nIndex - The index to retrieve

Returns:

The declaration at the specified index or null if the index is invalid

setDeclarationAtIndex

@Nonnull
public CSSStyleRule setDeclarationAtIndex(@Nonnegative
 int nIndex,
 @Nonnull
 CSSDeclaration aNewDeclaration)

Description copied from interface: IHasCSSDeclarations

Set the declaration at the specified index with a new one. If an existing declaration is present at that index, it is overwritten.

Specified by:

setDeclarationAtIndex in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

nIndex - The index to retrieve. Must be ≥ 0. If the index is ≥ than getDeclarationCount(), it behaves like IHasCSSDeclarations.addDeclaration(CSSDeclaration).

aNewDeclaration - The new declaration to be set.

Returns:

this

hasDeclarations

public boolean hasDeclarations()

Specified by:

hasDeclarations in interface IHasCSSDeclarations<CSSStyleRule>

Returns:

true if at least one declaration is present, false if no declaration is present.

getDeclarationCount

@Nonnegative
public int getDeclarationCount()

Specified by:

getDeclarationCount in interface IHasCSSDeclarations<CSSStyleRule>

Returns:

The number of contained declarations. Always ≥ 0.

getDeclarationOfPropertyName

@Nullable
public CSSDeclaration getDeclarationOfPropertyName(@Nullable
 String sPropertyName)

Description copied from interface: IHasCSSDeclarations

Get the first declaration with the specified property name. If no such property name is present, null is returned. If more than one declaration ith the specified property name is present, always the first in the list will be returned. The comparison happens case insensitive (since v6.0.0).

Specified by:

getDeclarationOfPropertyName in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

sPropertyName - The property name of the declaration to search (e.g. color). May be null.

Returns:

null if no such property name was found.

getAllDeclarationsOfPropertyName

@Nonnull
@ReturnsMutableCopy
public com.helger.commons.collection.impl.ICommonsList<CSSDeclaration> getAllDeclarationsOfPropertyName(@Nullable
 String sPropertyName)

Description copied from interface: IHasCSSDeclarations

Get all declarations within this list that have the specified property name. The comparison happens case insensitive (since v6.0.0).

Specified by:

getAllDeclarationsOfPropertyName in interface IHasCSSDeclarations<CSSStyleRule>

Parameters:

sPropertyName - The property name of the declaration to search (e.g. color). May be null.

Returns:

Never null but maybe an empty list.

getSelectorsAsCSSString

@Nonnull
public String getSelectorsAsCSSString(@Nonnull
 ICSSWriterSettings aSettings,
 @Nonnegative
 int nIndentLevel)

getAsCSSString

@Nonnull
public String getAsCSSString(@Nonnull
 ICSSWriterSettings aSettings,
 @Nonnegative
 int nIndentLevel)

Description copied from interface: ICSSWriteable

Get the contents of this object as a serialized CSS string for writing to an output.

Specified by:

getAsCSSString in interface ICSSWriteable

Parameters:

aSettings - The settings to be used to format the output. May not be null.

nIndentLevel - The current indentation level

Returns:

The content of this object as CSS string. Never null.

getSourceLocation

@Nullable
public final CSSSourceLocation getSourceLocation()

Specified by:

getSourceLocation in interface ICSSSourceLocationAware

Returns:

The source location of this object when it was read by the parser. May be null if an object was not read but manually created.

setSourceLocation

public final void setSourceLocation(@Nullable
 CSSSourceLocation aSourceLocation)

Description copied from interface: ICSSSourceLocationAware

Set the source location of the object, determined while parsing.

Specified by:

setSourceLocation in interface ICSSSourceLocationAware

Parameters:

aSourceLocation - The source location to use. May be null.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object