bibliothek.gui.dock.extension.css.CssRule Maven / Gradle / Ivy
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/*
* Bibliothek - DockingFrames
* Library built on Java/Swing, allows the user to "drag and drop"
* panels containing any Swing-Component the developer likes to add.
*
* Copyright (C) 2012 Benjamin Sigg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Benjamin Sigg
* [email protected]
* CH - Switzerland
*/
package bibliothek.gui.dock.extension.css;
/**
* A {@link CssRule} is a set of properties and exactly one {@link CssSelector} that tells which
* {@link CssItem}s are entitled to read these properties.
* @author Benjamin Sigg
*/
public interface CssRule {
/**
* The selector tells which {@link CssItem} should read properties from this rule.
* @return the selector, not null
*/
public CssSelector getSelector();
/**
* Gets the set of properties. This method should always return the same object, and it
* should not return null.
* @return the set of properties, not null
*/
public CssRuleContent getContent();
/**
* Adds listener to this rule, listener will be informed if
* a property or the selector of his rule changes.
* @param listener the listener to add, not null
*/
public void addRuleListener( CssRuleListener listener );
/**
* Removes listener from this rule.
* @param listener the listener to remove
*/
public void removeRuleListener( CssRuleListener listener );
}