/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.css;
import org.w3c.dom.DOMException;
import org.w3c.dom.stylesheets.StyleSheet;
/**
* The <code>CSSStyleSheet</code> interface is a concrete interface used to
* represent a CSS style sheet i.e., a style sheet whose content type is
* "text/css".
* <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>.
* @since DOM Level 2
*/
public interface CSSStyleSheet extends StyleSheet {
/**
* If this style sheet comes from an <code>@import</code> rule, the
* <code>ownerRule</code> attribute will contain the
* <code>CSSImportRule</code>. In that case, the <code>ownerNode</code>
* attribute in the <code>StyleSheet</code> interface will be
* <code>null</code>. If the style sheet comes from an element or a
* processing instruction, the <code>ownerRule</code> attribute will be
* <code>null</code> and the <code>ownerNode</code> attribute will
* contain the <code>Node</code>.
*/
public CSSRule getOwnerRule();
/**
* The list of all CSS rules contained within the style sheet. This
* includes both rule sets and at-rules.
*/
public CSSRuleList getCssRules();
/**
* Used to insert a new rule into the style sheet. The new rule now
* becomes part of the cascade.
* @param rule The parsable text representing the rule. For rule sets
* this contains both the selector and the style declaration. For
* at-rules, this specifies both the at-identifier and the rule
* content.
* @param index The index within the style sheet's rule list of the rule
* before which to insert the specified rule. If the specified index
* is equal to the length of the style sheet's rule collection, the
* rule will be added to the end of the style sheet.
* @return The index within the style sheet's rule collection of the
* newly inserted rule.
* @exception DOMException
* HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the
* specified index e.g. if an <code>@import</code> rule is inserted
* after a standard rule set or other at-rule.
* <br>INDEX_SIZE_ERR: Raised if the specified index is not a valid
* insertion point.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
* readonly.
* <br>SYNTAX_ERR: Raised if the specified rule has a syntax error and
* is unparsable.
*/
public int insertRule(String rule, int index) throws DOMException;
/**
* Used to delete a rule from the style sheet.
* @param index The index within the style sheet's rule list of the rule
* to remove.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified index does not correspond to
* a rule in the style sheet's rule list.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
* readonly.
*/
public void deleteRule(int index) throws DOMException;
}
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