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public interface CSSPrimitiveValue extends CSSValue
The CSSPrimitiveValue
interface represents a single CSS value
. This interface may be used to determine the value of a specific style
property currently set in a block or to set a specific style property
explicitly within the block. An instance of this interface might be
obtained from the getPropertyCSSValue
method of the
CSSStyleDeclaration
interface. A
CSSPrimitiveValue
object only occurs in a context of a CSS
property.
Conversions are allowed between absolute values (from millimeters to
centimeters, from degrees to radians, and so on) but not between relative
values. (For example, a pixel value cannot be converted to a centimeter
value.) Percentage values can't be converted since they are relative to
the parent value (or another property value). There is one exception for
color percentage values: since a color percentage value is relative to
the range 0-255, a color percentage value can be converted to a number;
(see also the RGBColor
interface).
See also the Document Object Model (DOM) Level 2 Style Specification.
Field Summary | |
---|---|
static short |
CSS_ATTR
The value is a attribute function. |
static short |
CSS_CM
The value is a length (cm). |
static short |
CSS_COUNTER
The value is a counter or counters function. |
static short |
CSS_DEG
The value is an angle (deg). |
static short |
CSS_DIMENSION
The value is a number with an unknown dimension. |
static short |
CSS_EMS
The value is a length (ems). |
static short |
CSS_EXS
The value is a length (exs). |
static short |
CSS_GRAD
The value is an angle (grad). |
static short |
CSS_HZ
The value is a frequency (Hz). |
static short |
CSS_IDENT
The value is an identifier. |
static short |
CSS_IN
The value is a length (in). |
static short |
CSS_KHZ
The value is a frequency (kHz). |
static short |
CSS_MM
The value is a length (mm). |
static short |
CSS_MS
The value is a time (ms). |
static short |
CSS_NUMBER
The value is a simple number. |
static short |
CSS_PC
The value is a length (pc). |
static short |
CSS_PERCENTAGE
The value is a percentage. |
static short |
CSS_PT
The value is a length (pt). |
static short |
CSS_PX
The value is a length (px). |
static short |
CSS_RAD
The value is an angle (rad). |
static short |
CSS_RECT
The value is a rect function. |
static short |
CSS_RGBCOLOR
The value is a RGB color. |
static short |
CSS_S
The value is a time (s). |
static short |
CSS_STRING
The value is a STRING. |
static short |
CSS_UNKNOWN
The value is not a recognized CSS2 value. |
static short |
CSS_URI
The value is a URI. |
Fields inherited from class org.w3c.dom.css.CSSValue |
---|
CSS_CUSTOM, CSS_INHERIT, CSS_PRIMITIVE_VALUE, CSS_VALUE_LIST |
Method Summary | |
---|---|
Counter |
This method is used to get the Counter value. |
float |
getFloatValue(short unitType) This method is used to get a float value in a specified unit. |
short |
The type of the value as defined by the constants specified above. |
Rect |
This method is used to get the Rect value. |
RGBColor |
This method is used to get the RGB color. |
String |
This method is used to get the string value. |
void |
setFloatValue(short unitType, float floatValue) A method to set the float value with a specified unit. |
void |
setStringValue(short stringType, String stringValue) A method to set the string value with the specified unit. |
Methods inherited from class org.w3c.dom.css.CSSValue |
---|
getCssText, getCssValueType, setCssText |
Field Detail |
---|
public static final short CSS_ATTR
getStringValue
method.
public static final short CSS_CM
getFloatValue
method.
public static final short CSS_COUNTER
getCounterValue
method.
public static final short CSS_DEG
getFloatValue
method.
public static final short CSS_DIMENSION
getFloatValue
method.
public static final short CSS_EMS
getFloatValue
method.
public static final short CSS_EXS
getFloatValue
method.
public static final short CSS_GRAD
getFloatValue
method.
public static final short CSS_HZ
getFloatValue
method.
public static final short CSS_IDENT
getStringValue
method.
public static final short CSS_IN
getFloatValue
method.
public static final short CSS_KHZ
getFloatValue
method.
public static final short CSS_MM
getFloatValue
method.
public static final short CSS_MS
getFloatValue
method.
public static final short CSS_NUMBER
getFloatValue
method.
public static final short CSS_PC
getFloatValue
method.
public static final short CSS_PERCENTAGE
getFloatValue
method.
public static final short CSS_PT
getFloatValue
method.
public static final short CSS_PX
getFloatValue
method.
public static final short CSS_RAD
getFloatValue
method.
public static final short CSS_RECT
getRectValue
method.
public static final short CSS_RGBCOLOR
getRGBColorValue
method.
public static final short CSS_S
getFloatValue
method.
public static final short CSS_STRING
getStringValue
method.
public static final short CSS_UNKNOWN
cssText
attribute.
public static final short CSS_URI
getStringValue
method.
Method Detail |
---|
public Counter getCounterValue() throws DOMException
DOMException
is
raised. Modification to the corresponding style property can be
achieved using the Counter
interface.
DOMException
- INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a
Counter value (e.g. this is not CSS_COUNTER
).public float getFloatValue(short unitType) throws DOMException
DOMException
is raised.
unitType
- A unit code to get the float value. The unit code can
only be a float unit type (i.e. CSS_NUMBER
,
CSS_PERCENTAGE
, CSS_EMS
,
CSS_EXS
, CSS_PX
, CSS_CM
,
CSS_MM
, CSS_IN
, CSS_PT
,
CSS_PC
, CSS_DEG
, CSS_RAD
,
CSS_GRAD
, CSS_MS
, CSS_S
,
CSS_HZ
, CSS_KHZ
,
CSS_DIMENSION
).DOMException
- INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a float
value or if the float value can't be converted into the specified
unit.public short getPrimitiveType()
public Rect getRectValue() throws DOMException
DOMException
is raised.
Modification to the corresponding style property can be achieved
using the Rect
interface.
DOMException
- INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a Rect
value. (e.g. this is not CSS_RECT
).public RGBColor getRGBColorValue() throws DOMException
DOMException
is raised.
Modification to the corresponding style property can be achieved
using the RGBColor
interface.
DOMException
- INVALID_ACCESS_ERR: Raised if the attached property can't return a
RGB color value (e.g. this is not CSS_RGBCOLOR
).public String getStringValue() throws DOMException
DOMException
is raised. Some
properties (like 'font-family' or 'voice-family') convert a
whitespace separated list of idents to a string.
primitiveType
can only be a string unit type (i.e.
CSS_STRING
, CSS_URI
,
CSS_IDENT
and CSS_ATTR
).DOMException
- INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a string
value.public void setFloatValue(short unitType, float floatValue) throws DOMException
DOMException
will be raised.
unitType
- A unit code as defined above. The unit code can only
be a float unit type (i.e. CSS_NUMBER
,
CSS_PERCENTAGE
, CSS_EMS
,
CSS_EXS
, CSS_PX
, CSS_CM
,
CSS_MM
, CSS_IN
, CSS_PT
,
CSS_PC
, CSS_DEG
, CSS_RAD
,
CSS_GRAD
, CSS_MS
, CSS_S
,
CSS_HZ
, CSS_KHZ
,
CSS_DIMENSION
).floatValue
- The new float value.DOMException
- INVALID_ACCESS_ERR: Raised if the attached property doesn't support
the float value or the unit type.
public void setStringValue(short stringType, String stringValue) throws DOMException
DOMException
will be raised.
stringType
- A string code as defined above. The string code can
only be a string unit type (i.e. CSS_STRING
,
CSS_URI
, CSS_IDENT
, and
CSS_ATTR
).stringValue
- The new string value.DOMException
- INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a string
value or if the string value can't be converted into the specified
unit.
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