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Dragome SDK module: js-jre
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/*
 * Copyright (c) 2000 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program 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 W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */

package org.w3c.dom.css;

import org.w3c.dom.DOMException;

/**
 *  The CSSRule interface is the abstract base interface for any 
 * type of CSS statement. This includes both rule sets and at-rules. An 
 * implementation is expected to preserve all rules specified in a CSS style 
 * sheet, even if the rule is not recognized by the parser. Unrecognized 
 * rules are represented using the CSSUnknownRule interface. 
 * See also the Document Object Model (DOM) Level 2 Style Specification.
 * @since DOM Level 2
 */
public interface CSSRule
{
	// RuleType
	/**
	 * The rule is a CSSUnknownRule.
	 */
	public static final short UNKNOWN_RULE= 0;
	/**
	 * The rule is a CSSStyleRule.
	 */
	public static final short STYLE_RULE= 1;
	/**
	 * The rule is a CSSCharsetRule.
	 */
	public static final short CHARSET_RULE= 2;
	/**
	 * The rule is a CSSImportRule.
	 */
	public static final short IMPORT_RULE= 3;
	/**
	 * The rule is a CSSMediaRule.
	 */
	public static final short MEDIA_RULE= 4;
	/**
	 * The rule is a CSSFontFaceRule.
	 */
	public static final short FONT_FACE_RULE= 5;
	/**
	 * The rule is a CSSPageRule.
	 */
	public static final short PAGE_RULE= 6;

	/**
	 *  The type of the rule, as defined above. The expectation is that 
	 * binding-specific casting methods can be used to cast down from an 
	 * instance of the CSSRule interface to the specific 
	 * derived interface implied by the type. 
	 */
	public short getType();

	/**
	 *  The parsable textual representation of the rule. This reflects the 
	 * current state of the rule and not its initial value. 
	 */
	public String getCssText();
	/**
	 *  The parsable textual representation of the rule. This reflects the 
	 * current state of the rule and not its initial value. 
	 * @exception DOMException
	 *   SYNTAX_ERR: Raised if the specified CSS string value has a syntax 
	 *   error and is unparsable.
	 *   
INVALID_MODIFICATION_ERR: Raised if the specified CSS string 
	 *   value represents a different type of rule than the current one.
	 *   
HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at 
	 *   this point in the style sheet.
	 *   
NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly.
	 */
	public void setCssText(String cssText) throws DOMException;

	/**
	 *  The style sheet that contains this rule. 
	 */
	public CSSStyleSheet getParentStyleSheet();

	/**
	 *  If this rule is contained inside another rule (e.g. a style rule 
	 * inside an @media block), this is the containing rule. If this rule is 
	 * not nested inside any other rules, this returns null. 
	 */
	public CSSRule getParentRule();

}