1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 /* 26 * This file is available under and governed by the GNU General Public 27 * License version 2 only, as published by the Free Software Foundation. 28 * However, the following notice accompanied the original version of this 29 * file and, per its terms, should not be removed: 30 * 31 * Copyright (c) 2000 World Wide Web Consortium, 32 * (Massachusetts Institute of Technology, Institut National de 33 * Recherche en Informatique et en Automatique, Keio University). All 34 * Rights Reserved. This program is distributed under the W3C's Software 35 * Intellectual Property License. This program is distributed in the 36 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even 37 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 38 * PURPOSE. 39 * See W3C License http://www.w3.org/Consortium/Legal/ for more details. 40 */ 41 42 package org.w3c.dom.css; 43 44 import org.w3c.dom.DOMException; 45 46 /** 47 * The <code>CSSRule</code> interface is the abstract base interface for any 48 * type of CSS statement. This includes both rule sets and at-rules. An 49 * implementation is expected to preserve all rules specified in a CSS style 50 * sheet, even if the rule is not recognized by the parser. Unrecognized 51 * rules are represented using the <code>CSSUnknownRule</code> interface. 52 * <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>. 53 * @since 1.4, DOM Level 2 54 */ 55 public interface CSSRule { 56 // RuleType 57 /** 58 * The rule is a <code>CSSUnknownRule</code>. 59 */ 60 public static final short UNKNOWN_RULE = 0; 61 /** 62 * The rule is a <code>CSSStyleRule</code>. 63 */ 64 public static final short STYLE_RULE = 1; 65 /** 66 * The rule is a <code>CSSCharsetRule</code>. 67 */ 68 public static final short CHARSET_RULE = 2; 69 /** 70 * The rule is a <code>CSSImportRule</code>. 71 */ 72 public static final short IMPORT_RULE = 3; 73 /** 74 * The rule is a <code>CSSMediaRule</code>. 75 */ 76 public static final short MEDIA_RULE = 4; 77 /** 78 * The rule is a <code>CSSFontFaceRule</code>. 79 */ 80 public static final short FONT_FACE_RULE = 5; 81 /** 82 * The rule is a <code>CSSPageRule</code>. 83 */ 84 public static final short PAGE_RULE = 6; 85 86 /** 87 * The type of the rule, as defined above. The expectation is that 88 * binding-specific casting methods can be used to cast down from an 89 * instance of the <code>CSSRule</code> interface to the specific 90 * derived interface implied by the <code>type</code>. 91 */ getType()92 public short getType(); 93 94 /** 95 * The parsable textual representation of the rule. This reflects the 96 * current state of the rule and not its initial value. 97 */ getCssText()98 public String getCssText(); 99 /** 100 * The parsable textual representation of the rule. This reflects the 101 * current state of the rule and not its initial value. 102 * @exception DOMException 103 * SYNTAX_ERR: Raised if the specified CSS string value has a syntax 104 * error and is unparsable. 105 * <br>INVALID_MODIFICATION_ERR: Raised if the specified CSS string 106 * value represents a different type of rule than the current one. 107 * <br>HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at 108 * this point in the style sheet. 109 * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly. 110 */ setCssText(String cssText)111 public void setCssText(String cssText) 112 throws DOMException; 113 114 /** 115 * The style sheet that contains this rule. 116 */ getParentStyleSheet()117 public CSSStyleSheet getParentStyleSheet(); 118 119 /** 120 * If this rule is contained inside another rule (e.g. a style rule 121 * inside an @media block), this is the containing rule. If this rule is 122 * not nested inside any other rules, this returns <code>null</code>. 123 */ getParentRule()124 public CSSRule getParentRule(); 125 126 } 127