Interface CSSRule
- All Known Subinterfaces:
-
CSSCharsetRule,CSSFontFaceRule,CSSImportRule,CSSMediaRule,CSSPageRule,CSSStyleRule,CSSUnknownRule
public interface CSSRule
The CSSRule interface is the abstract base interface for any type of CSS statement. This includes both rule sets and at-rules. An implementation is expected to preserve all rules specified in a CSS style sheet, even if the rule is not recognized by the parser. Unrecognized rules are represented using the CSSUnknownRule interface.
See also the Document Object Model (DOM) Level 2 Style Specification.
- Since:
- 1.4, DOM Level 2
Fields
| Modifier and Type | Field | Description |
|---|---|---|
static short | CHARSET_RULE | The rule is a |
static short | FONT_FACE_RULE | The rule is a |
static short | IMPORT_RULE | The rule is a |
static short | MEDIA_RULE | The rule is a |
static short | PAGE_RULE | The rule is a |
static short | STYLE_RULE | The rule is a |
static short | UNKNOWN_RULE | The rule is a |
Methods
| Modifier and Type | Method | Description |
|---|---|---|
String | getCssText() | The parsable textual representation of the rule. |
CSSRule | getParentRule() | If this rule is contained inside another rule (e.g. a style rule inside an @media block), this is the containing rule. |
CSSStyleSheet | getParentStyleSheet() | The style sheet that contains this rule. |
short | getType() | The type of the rule, as defined above. |
void | setCssText(String cssText) | The parsable textual representation of the rule. |
Fields
UNKNOWN_RULE
static final short UNKNOWN_RULE
The rule is a CSSUnknownRule.
- See Also:
- Constant Field Values
STYLE_RULE
static final short STYLE_RULE
The rule is a CSSStyleRule.
- See Also:
- Constant Field Values
CHARSET_RULE
static final short CHARSET_RULE
The rule is a CSSCharsetRule.
- See Also:
- Constant Field Values
IMPORT_RULE
static final short IMPORT_RULE
The rule is a CSSImportRule.
- See Also:
- Constant Field Values
MEDIA_RULE
static final short MEDIA_RULE
The rule is a CSSMediaRule.
- See Also:
- Constant Field Values
FONT_FACE_RULE
static final short FONT_FACE_RULE
The rule is a CSSFontFaceRule.
- See Also:
- Constant Field Values
PAGE_RULE
static final short PAGE_RULE
The rule is a CSSPageRule.
- See Also:
- Constant Field Values
Methods
getType
short getType()
The type of the rule, as defined above. The expectation is that binding-specific casting methods can be used to cast down from an instance of the CSSRule interface to the specific derived interface implied by the type.
getCssText
String getCssText()
The parsable textual representation of the rule. This reflects the current state of the rule and not its initial value.
setCssText
void setCssText(String cssText)
throws DOMException The parsable textual representation of the rule. This reflects the current state of the rule and not its initial value.
- Throws:
-
DOMException- SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.
INVALID_MODIFICATION_ERR: Raised if the specified CSS string value represents a different type of rule than the current one.
HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at this point in the style sheet.
NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly.
getParentStyleSheet
CSSStyleSheet getParentStyleSheet()
The style sheet that contains this rule.
getParentRule
CSSRule getParentRule()
If this rule is contained inside another rule (e.g. a style rule inside an @media block), this is the containing rule. If this rule is not nested inside any other rules, this returns null.
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https://docs.oracle.com/en/java/javase/11/docs/api/jdk.xml.dom/org/w3c/dom/css/CSSRule.html