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Java Source Code / Java Documentation » 6.0 JDK Core » w3c » org.w3c.dom.css

Source Cross Reference Class Diagram Java Document (Java Doc)

org.w3c.dom.css .CSSStyleDeclaration

CSSStyleDeclaration

public interface CSSStyleDeclaration (Code)

The CSSStyleDeclaration interface represents a single CSS declaration block. This interface may be used to determine the style properties currently set in a block or to set style properties explicitly within the block.

While an implementation may not recognize all CSS properties within a CSS declaration block, it is expected to provide access to all specified properties in the style sheet through the CSSStyleDeclaration interface. Furthermore, implementations that support a specific level of CSS should correctly handle CSS shorthand properties for that level. For a further discussion of shorthand properties, see the CSS2Properties interface.

This interface is also used to provide a read-only access to the computed values of an element. See also the ViewCSS interface. The CSS Object Model doesn't provide an access to the specified or actual values of the CSS cascade.

See also the Document Object Model (DOM) Level 2 Style Specification.
since:
DOM Level 2

Method Summary
public String	getCssText() The parsable textual representation of the declaration block (excluding the surrounding curly braces).
public int	getLength() The number of properties that have been explicitly set in this declaration block.
public CSSRule	getParentRule() The CSS rule that contains this declaration block or `null` if this `CSSStyleDeclaration` is not attached to a `CSSRule`.
public CSSValue	getPropertyCSSValue(String propertyName) Used to retrieve the object representation of the value of a CSS property if it has been explicitly set within this declaration block.
public String	getPropertyPriority(String propertyName) Used to retrieve the priority of a CSS property (e.g.
public String	getPropertyValue(String propertyName) Used to retrieve the value of a CSS property if it has been explicitly set within this declaration block.
public String	item(int index) Used to retrieve the properties that have been explicitly set in this declaration block.
public String	removeProperty(String propertyName) Used to remove a CSS property if it has been explicitly set within this declaration block.
public void	setCssText(String cssText) The parsable textual representation of the declaration block (excluding the surrounding curly braces).
public void	setProperty(String propertyName, String value, String priority) Used to set a property value and priority within this declaration block.

Method Detail

getCssText
public String getCssText()(Code)
	The parsable textual representation of the declaration block (excluding the surrounding curly braces). Setting this attribute will result in the parsing of the new value and resetting of all the properties in the declaration block including the removal or addition of properties.

getLength
public int getLength()(Code)
	The number of properties that have been explicitly set in this declaration block. The range of valid indices is 0 to length-1 inclusive.

getParentRule
public CSSRule getParentRule()(Code)
	The CSS rule that contains this declaration block or `null` if this `CSSStyleDeclaration` is not attached to a `CSSRule`.

getPropertyCSSValue
public CSSValue getPropertyCSSValue(String propertyName)(Code)
	Used to retrieve the object representation of the value of a CSS property if it has been explicitly set within this declaration block. This method returns `null` if the property is a shorthand property. Shorthand property values can only be accessed and modified as strings, using the `getPropertyValue` and `setProperty` methods. Parameters: propertyName - The name of the CSS property. See the CSS property index. Returns the value of the property if it has been explicitly set for this declaration block. Returns `null` if the property has not been set.

getPropertyPriority
public String getPropertyPriority(String propertyName)(Code)
	Used to retrieve the priority of a CSS property (e.g. the `"important"` qualifier) if the priority has been explicitly set in this declaration block. Parameters: propertyName - The name of the CSS property. See the CSS property index. A string representing the priority (e.g. `"important"`) if the property has been explicitly set in this declaration block and has a priority specified. The empty string otherwise.

getPropertyValue
public String getPropertyValue(String propertyName)(Code)
	Used to retrieve the value of a CSS property if it has been explicitly set within this declaration block. Parameters: propertyName - The name of the CSS property. See the CSS property index. Returns the value of the property if it has been explicitly set for this declaration block. Returns the empty string if the property has not been set.

item
public String item(int index)(Code)
	Used to retrieve the properties that have been explicitly set in this declaration block. The order of the properties retrieved using this method does not have to be the order in which they were set. This method can be used to iterate over all properties in this declaration block. Parameters: index - Index of the property name to retrieve. The name of the property at this ordinal position. The empty string if no property exists at this position.

removeProperty
public String removeProperty(String propertyName) throws DOMException(Code)
	Used to remove a CSS property if it has been explicitly set within this declaration block. Parameters: propertyName - The name of the CSS property. See the CSS property index. Returns the value of the property if it has been explicitly set for this declaration block. Returns the empty string if the property has not been set or the property name does not correspond to a known CSS property. exception: DOMException - NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly or the property is readonly.

setCssText
public void setCssText(String cssText) throws DOMException(Code)
	The parsable textual representation of the declaration block (excluding the surrounding curly braces). Setting this attribute will result in the parsing of the new value and resetting of all the properties in the declaration block including the removal or addition of properties. exception: DOMException - SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable. NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly or a property is readonly.

setProperty
public void setProperty(String propertyName, String value, String priority) throws DOMException(Code)
	Used to set a property value and priority within this declaration block. `setProperty` permits to modify a property or add a new one in the declaration block. Any call to this method may modify the order of properties in the `item` method. Parameters: propertyName - The name of the CSS property. See the CSS property index. Parameters: value - The new value of the property. Parameters: priority - The new priority of the property (e.g. `"important"`) or the empty string if none. exception: DOMException - SYNTAX_ERR: Raised if the specified value has a syntax error and is unparsable. NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly or the property is readonly.

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