001 /*
002 * Copyright (c) 2000 World Wide Web Consortium,
003 * (Massachusetts Institute of Technology, Institut National de
004 * Recherche en Informatique et en Automatique, Keio University). All
005 * Rights Reserved. This program is distributed under the W3C's Software
006 * Intellectual Property License. This program is distributed in the
007 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
008 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
009 * PURPOSE.
010 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
011 */
012
013 package org.w3c.dom.css;
014
015 import org.w3c.dom.DOMException;
016 import org.w3c.dom.stylesheets.StyleSheet;
017
018 /**
019 * The <code>CSSStyleSheet</code> interface is a concrete interface used to
020 * represent a CSS style sheet i.e., a style sheet whose content type is
021 * "text/css".
022 * <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>.
023 * @since DOM Level 2
024 */
025 public interface CSSStyleSheet extends StyleSheet {
026 /**
027 * If this style sheet comes from an <code>@import</code> rule, the
028 * <code>ownerRule</code> attribute will contain the
029 * <code>CSSImportRule</code>. In that case, the <code>ownerNode</code>
030 * attribute in the <code>StyleSheet</code> interface will be
031 * <code>null</code>. If the style sheet comes from an element or a
032 * processing instruction, the <code>ownerRule</code> attribute will be
033 * <code>null</code> and the <code>ownerNode</code> attribute will
034 * contain the <code>Node</code>.
035 */
036 public CSSRule getOwnerRule();
037
038 /**
039 * The list of all CSS rules contained within the style sheet. This
040 * includes both rule sets and at-rules.
041 */
042 public CSSRuleList getCssRules();
043
044 /**
045 * Used to insert a new rule into the style sheet. The new rule now
046 * becomes part of the cascade.
047 * @param rule The parsable text representing the rule. For rule sets
048 * this contains both the selector and the style declaration. For
049 * at-rules, this specifies both the at-identifier and the rule
050 * content.
051 * @param index The index within the style sheet's rule list of the rule
052 * before which to insert the specified rule. If the specified index
053 * is equal to the length of the style sheet's rule collection, the
054 * rule will be added to the end of the style sheet.
055 * @return The index within the style sheet's rule collection of the
056 * newly inserted rule.
057 * @exception DOMException
058 * HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the
059 * specified index e.g. if an <code>@import</code> rule is inserted
060 * after a standard rule set or other at-rule.
061 * <br>INDEX_SIZE_ERR: Raised if the specified index is not a valid
062 * insertion point.
063 * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
064 * readonly.
065 * <br>SYNTAX_ERR: Raised if the specified rule has a syntax error and
066 * is unparsable.
067 */
068 public int insertRule(String rule,
069 int index)
070 throws DOMException;
071
072 /**
073 * Used to delete a rule from the style sheet.
074 * @param index The index within the style sheet's rule list of the rule
075 * to remove.
076 * @exception DOMException
077 * INDEX_SIZE_ERR: Raised if the specified index does not correspond to
078 * a rule in the style sheet's rule list.
079 * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
080 * readonly.
081 */
082 public void deleteRule(int index)
083 throws DOMException;
084
085 }