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 013package org.w3c.dom.css; 014 015import org.w3c.dom.DOMException; 016import 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 */ 025public 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}