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public interface CSSPrimitiveValue
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 interface org.w3c.dom.css.CSSValue |
---|
CSS_CUSTOM, CSS_INHERIT, CSS_PRIMITIVE_VALUE, CSS_VALUE_LIST |
Method Summary | |
---|---|
Counter |
getCounterValue()
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 |
getPrimitiveType()
The type of the value as defined by the constants specified above. |
Rect |
getRectValue()
This method is used to get the Rect value. |
RGBColor |
getRGBColorValue()
This method is used to get the RGB color. |
java.lang.String |
getStringValue()
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,
java.lang.String stringValue)
A method to set the string value with the specified unit. |
Methods inherited from interface org.w3c.dom.css.CSSValue |
---|
getCssText, getCssValueType, setCssText |
Field Detail |
---|
static final short CSS_UNKNOWN
cssText
attribute.
static final short CSS_NUMBER
getFloatValue
method.
static final short CSS_PERCENTAGE
getFloatValue
method.
static final short CSS_EMS
getFloatValue
method.
static final short CSS_EXS
getFloatValue
method.
static final short CSS_PX
getFloatValue
method.
static final short CSS_CM
getFloatValue
method.
static final short CSS_MM
getFloatValue
method.
static final short CSS_IN
getFloatValue
method.
static final short CSS_PT
getFloatValue
method.
static final short CSS_PC
getFloatValue
method.
static final short CSS_DEG
getFloatValue
method.
static final short CSS_RAD
getFloatValue
method.
static final short CSS_GRAD
getFloatValue
method.
static final short CSS_MS
getFloatValue
method.
static final short CSS_S
getFloatValue
method.
static final short CSS_HZ
getFloatValue
method.
static final short CSS_KHZ
getFloatValue
method.
static final short CSS_DIMENSION
getFloatValue
method.
static final short CSS_STRING
getStringValue
method.
static final short CSS_URI
getStringValue
method.
static final short CSS_IDENT
getStringValue
method.
static final short CSS_ATTR
getStringValue
method.
static final short CSS_COUNTER
getCounterValue
method.
static final short CSS_RECT
getRectValue
method.
static final short CSS_RGBCOLOR
getRGBColorValue
method.
Method Detail |
---|
short getPrimitiveType()
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.
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.void setStringValue(short stringType, java.lang.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.
java.lang.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.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
).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
).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
).
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