Package org.openstreetmap.josm.gui.mappaint.mapcss

Class MapCSSRule

java.lang.Object

org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule

All Implemented Interfaces:

java.lang.Comparable<MapCSSRule>

public class MapCSSRule
extends java.lang.Object
implements java.lang.Comparable<MapCSSRule>

A MapCSS rule. A MapCSS style is simply a list of MapCSS rules. Each rule has a selector and a declaration. Whenever the selector matches the primitive, the declaration block is executed for this primitive.

Field Summary

Fields

Modifier and Type	Field	Description
Declaration	declaration	The instructions for this selector
java.util.List<Selector>	selectors	The selector.

Constructor Summary

Constructors

Constructor	Description
MapCSSRule(java.util.List<Selector> selectors, Declaration declaration)	Constructs a new MapCSSRule.

Method Summary

Modifier and Type	Method	Description
int	compareTo(MapCSSRule o)
void	execute(Environment env)	Executes the instructions against the environment env
boolean	matches(Environment env)	Test whether the selector of this rule applies to the primitive.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

selectors

public final java.util.List<Selector> selectors

The selector. If it matches, this rule should be applied

declaration

public final Declaration declaration

The instructions for this selector

Constructor Detail

MapCSSRule

public MapCSSRule(java.util.List<Selector> selectors,
                  Declaration declaration)

Constructs a new MapCSSRule.

Parameters:

selectors - The selectors

declaration - The declaration

Method Detail

matches

public boolean matches(Environment env)

Test whether the selector of this rule applies to the primitive.

Parameters:

env - the Environment. env.mc and env.layer are read-only when matching a selector. env.source is not needed. This method will set the matchingReferrers field of env as a side effect! Make sure to clear it before invoking this method.

Returns:

true, if the selector applies

See Also:

Selector.matches(org.openstreetmap.josm.gui.mappaint.Environment)

execute

public void execute(Environment env)

Executes the instructions against the environment env

Parameters:

env - the environment

See Also:

Declaration.execute(org.openstreetmap.josm.gui.mappaint.Environment)

compareTo

public int compareTo(MapCSSRule o)

Specified by:

compareTo in interface java.lang.Comparable<MapCSSRule>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object