1 /*
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
9 * PURPOSE.
10 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
11 */
13 package org.w3c.dom.css;
15 import org.w3c.dom.DOMException;
16 import org.w3c.dom.stylesheets.StyleSheet;
18 /**
19 * The <code>CSSStyleSheet</code> interface is a concrete interface used to
20 * represent a CSS style sheet i.e., a style sheet whose content type is
21 * "text/css".
22 * <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>.
23 * @since DOM Level 2
24 */
25 public interface CSSStyleSheet extends StyleSheet {
26 /**
27 * If this style sheet comes from an <code>@import</code> rule, the
28 * <code>ownerRule</code> attribute will contain the
29 * <code>CSSImportRule</code>. In that case, the <code>ownerNode</code>
30 * attribute in the <code>StyleSheet</code> interface will be
31 * <code>null</code>. If the style sheet comes from an element or a
32 * processing instruction, the <code>ownerRule</code> attribute will be
33 * <code>null</code> and the <code>ownerNode</code> attribute will
34 * contain the <code>Node</code>.
35 */
36 public CSSRule getOwnerRule();
38 /**
39 * The list of all CSS rules contained within the style sheet. This
40 * includes both rule sets and at-rules.
41 */
42 public CSSRuleList getCssRules();
44 /**
45 * Used to insert a new rule into the style sheet. The new rule now
46 * becomes part of the cascade.
47 * @param rule The parsable text representing the rule. For rule sets
48 * this contains both the selector and the style declaration. For
49 * at-rules, this specifies both the at-identifier and the rule
50 * content.
51 * @param index The index within the style sheet's rule list of the rule
52 * before which to insert the specified rule. If the specified index
53 * is equal to the length of the style sheet's rule collection, the
54 * rule will be added to the end of the style sheet.
55 * @return The index within the style sheet's rule collection of the
56 * newly inserted rule.
57 * @exception DOMException
58 * HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the
59 * specified index e.g. if an <code>@import</code> rule is inserted
60 * after a standard rule set or other at-rule.
61 * <br>INDEX_SIZE_ERR: Raised if the specified index is not a valid
62 * insertion point.
63 * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
64 * readonly.
65 * <br>SYNTAX_ERR: Raised if the specified rule has a syntax error and
66 * is unparsable.
67 */
68 public int insertRule(String rule,
69 int index)
70 throws DOMException;
72 /**
73 * Used to delete a rule from the style sheet.
74 * @param index The index within the style sheet's rule list of the rule
75 * to remove.
76 * @exception DOMException
77 * INDEX_SIZE_ERR: Raised if the specified index does not correspond to
78 * a rule in the style sheet's rule list.
79 * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
80 * readonly.
81 */
82 public void deleteRule(int index)
83 throws DOMException;
85 }