2 * Copyright (c) 2000 World Wide Web Consortium,
3 * (Massachusetts Institute of Technology, Institut National de
4 * Recherche en Informatique et en Automatique, Keio University). All
5 * Rights Reserved. This program is distributed under the W3C's Software
6 * Intellectual Property License. This program is distributed in the
7 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
8 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
10 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
13 package org.w3c.dom.css;
15 import org.w3c.dom.DOMException;
18 * The <code>CSSRule</code> interface is the abstract base interface for any
19 * type of CSS statement. This includes both rule sets and at-rules. An
20 * implementation is expected to preserve all rules specified in a CSS style
21 * sheet, even if the rule is not recognized by the parser. Unrecognized
22 * rules are represented using the <code>CSSUnknownRule</code> interface.
23 * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model (DOM) Level 2 Style Specification</a>.
26 public interface CSSRule {
29 * The rule is a <code>CSSUnknownRule</code>.
31 public static final short UNKNOWN_RULE = 0;
33 * The rule is a <code>CSSStyleRule</code>.
35 public static final short STYLE_RULE = 1;
37 * The rule is a <code>CSSCharsetRule</code>.
39 public static final short CHARSET_RULE = 2;
41 * The rule is a <code>CSSImportRule</code>.
43 public static final short IMPORT_RULE = 3;
45 * The rule is a <code>CSSMediaRule</code>.
47 public static final short MEDIA_RULE = 4;
49 * The rule is a <code>CSSFontFaceRule</code>.
51 public static final short FONT_FACE_RULE = 5;
53 * The rule is a <code>CSSPageRule</code>.
55 public static final short PAGE_RULE = 6;
58 * The type of the rule, as defined above. The expectation is that
59 * binding-specific casting methods can be used to cast down from an
60 * instance of the <code>CSSRule</code> interface to the specific
61 * derived interface implied by the <code>type</code>.
63 public short getType();
66 * The parsable textual representation of the rule. This reflects the
67 * current state of the rule and not its initial value.
69 public String getCssText();
71 * The parsable textual representation of the rule. This reflects the
72 * current state of the rule and not its initial value.
73 * @exception DOMException
74 * SYNTAX_ERR: Raised if the specified CSS string value has a syntax
75 * error and is unparsable.
76 * <br>INVALID_MODIFICATION_ERR: Raised if the specified CSS string
77 * value represents a different type of rule than the current one.
78 * <br>HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at
79 * this point in the style sheet.
80 * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly.
82 public void setCssText(String cssText)
86 * The style sheet that contains this rule.
88 public CSSStyleSheet getParentStyleSheet();
91 * If this rule is contained inside another rule (e.g. a style rule
92 * inside an @media block), this is the containing rule. If this rule is
93 * not nested inside any other rules, this returns <code>null</code>.
95 public CSSRule getParentRule();