01: /*
02: * Copyright (c) 2000 World Wide Web Consortium,
03: * (Massachusetts Institute of Technology, Institut National de
04: * Recherche en Informatique et en Automatique, Keio University). All
05: * Rights Reserved. This program is distributed under the W3C's Software
06: * Intellectual Property License. This program is distributed in the
07: * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
08: * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
09: * PURPOSE.
10: * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
11: */
12:
13: package org.w3c.dom.css;
14:
15: import org.w3c.dom.DOMException;
16: import org.w3c.dom.stylesheets.StyleSheet;
17:
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();
37:
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();
43:
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, int index) throws DOMException;
69:
70: /**
71: * Used to delete a rule from the style sheet.
72: * @param index The index within the style sheet's rule list of the rule
73: * to remove.
74: * @exception DOMException
75: * INDEX_SIZE_ERR: Raised if the specified index does not correspond to
76: * a rule in the style sheet's rule list.
77: * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
78: * readonly.
79: */
80: public void deleteRule(int index) throws DOMException;
81:
82: }
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