// $Id$
// Author: Jean-Guilhem Rouel
// (c) COPYRIGHT MIT, ERCIM and Keio, 2005.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css21;
import org.w3c.css.properties.css.CssProperty;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssTypes;
import org.w3c.css.values.CssValue;
/**
* CssBackgroundColor
* Created: Aug 31, 2005 2:04:23 PM
*/
public class CssBackgroundColor extends org.w3c.css.properties.css.CssBackgroundColor {
public CssValue color;
/**
* Create a new CssBackgroundColor
*/
public CssBackgroundColor() {
color = transparent;
}
/**
* Create a new CssBackgroundColor
*
* @param expression The expression for this property
* @throws InvalidParamException Values are incorrect
*/
public CssBackgroundColor(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
if (check && expression.getCount() > 1) {
throw new InvalidParamException("unrecognize", ac);
}
setByUser();
CssValue val = expression.getValue();
switch (val.getType()) {
case CssTypes.CSS_HASH_IDENT:
org.w3c.css.values.CssColor c = new org.w3c.css.values.CssColor();
c.setShortRGBColor(ac, val.toString());
setColor(c);
break;
case CssTypes.CSS_COLOR:
setColor(val);
break;
case CssTypes.CSS_IDENT:
if (transparent.equals(val)) {
setColor(transparent);
break;
}
if (inherit.equals(val)) {
setColor(inherit);
break;
}
setColor(new org.w3c.css.values.CssColor(ac,
(String) val.get()));
break;
default:
throw new InvalidParamException("value", val.toString(),
getPropertyName(), ac);
}
expression.next();
}
public CssBackgroundColor(ApplContext ac, CssExpression expression)
throws InvalidParamException {
this(ac, expression, false);
}
/**
* @param color The color to set.
*/
public void setColor(CssValue color) {
this.color = color;
}
/**
* Returns the value of this property
*/
public Object get() {
return color;
}
/**
* Returns the color
*/
public final CssValue getColor() {
return color;
}
/**
* Returns true if this property is "softly" inherited
* e.g. his value equals inherit
*/
public boolean isSoftlyInherited() {
return color.equals(inherit);
}
/**
* Returns a string representation of the object.
*/
public String toString() {
if (color != null) {
return color.toString();
}
return "";
}
/**
* Compares two properties for equality.
*
* @param property The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof CssBackgroundColor &&
color.equals(((CssBackgroundColor) property).color));
}
/**
* Is the value of this property is a default value.
* It is used by all macro for the function print
*/
public boolean isDefault() {
return color == transparent;
}
}