Module io.sf.carte.echosvg.css
Package io.sf.carte.echosvg.css.engine.value

Interface Value

All Superinterfaces:
Cloneable, CSSStyleValue, CSSVal, CSSValue, Serializable
All Known Subinterfaces:
SVGValue, TypedValue
All Known Implementing Classes:
AbstractStringValue, AbstractValue, AbstractValueList, CalcValue, ColorFunction, ColorValue, ComponentValue, ComputedValue, CSSOMComputedStyle.ComputedCSSValue, CSSOMStyleDeclaration.StyleDeclarationValue, CSSOMValue, FloatValue, IdentValue, InheritValue, LabColorValue, LCHColorValue, LexicalValue, ListValue, MathFunctionValue, NumericDelegateValue, NumericValue, PendingValue, RectValue, RevertValue, RGBColorValue, StringValue, SVGStylableElement.PresentationAttributeValue, UnsetValue, URIValue
public interface Value extends CSSVal, CSSStyleValue, Serializable
This interface represents a property value.

  • Method Details

    • getUnitType

      default short getUnitType()
      Gets the css unit as in CSS4J's CSSUnit.

      If the value has no valid CSS unit, returns CSSUnit.CSS_INVALID.

      Returns:
      the css unit as in CSS4J's CSSUnit.

    • setModificationHandler

      void setModificationHandler(ValueModificationHandler handler)
      Set the modification handler.
      Parameters:
      handler - the modification handler.

    • getModificationHandler

      ValueModificationHandler getModificationHandler()
      Get the modification handler.
      Returns:
      the modification handler, or null if there is no handler.

    • isComponent

      default boolean isComponent()
      Is this value a component?
      Returns:
      true if the value is a component.

    • isIdentifier

      default boolean isIdentifier(String internedIdent)
      Do this value represent the given identifier?
      Parameters:
      internedIdent - the interned identifier string.
      Returns:
      true if the value is a component.

    • getIdentifier

      @Deprecated default String getIdentifier() throws DOMException
      Deprecated.
      Convenience method that either returns an identifier or throws an exception.
      Throws:
      DOMException - INVALID_ACCESS_ERR: Raised if the value doesn't contain an identifier value.

    • setFloatValue

      void setFloatValue(float value) throws DOMException
      If this value is a unit value, set the float value.
      Parameters:
      value - the new value, in the current unit.
      Throws:
      DOMException - if the value is not a unit value.

    • item

      default Value item(int index)
      If this value is a list, give the item corresponding to the requested index. If there is no item at such index, return null If this object is not a list and the index is 0, return itself.
      Specified by:
      item in interface CSSVal
      Parameters:
      index - the index on the list.
      Returns:
      the item, or null if there is no item on that index.

    • iterator

      default Iterator<? extends Value> iterator() throws UnsupportedOperationException
      If this value is a list, return an iterator.
      Returns:
      the iterator.
      Throws:
      UnsupportedOperationException - if this value is not a list.

    • getCounterValue

      CSSCounterValue getCounterValue() throws DOMException
      If this value is a counter() or counters() value, get it.
      Returns:
      the counter() value.
      Throws:
      DOMException - INVALID_ACCESS_ERR if this is not a counter() or counters() value.

    • getRectValue

      RectValue getRectValue() throws DOMException
      If this value is a rect() value, get it.
      Returns:
      the rect() value.
      Throws:
      DOMException - INVALID_ACCESS_ERR if this is not a rect() value.

    • getColorValue

      ColorValue getColorValue() throws DOMException
      If this value is a color value, get it.
      Returns:
      the color value.
      Throws:
      DOMException - INVALID_ACCESS_ERR if this is not a color value.

    • clone

      Value clone()
      Create and return a copy of this object.

      If this object is unmodifiable, the clone will be modifiable.

      Specified by:
      clone in interface CSSVal
      Specified by:
      clone in interface CSSValue
      Returns:
      a modifiable copy of this object.