org.w3c.css.properties.css3.CssBackgroundQuantity Maven / Gradle / Ivy
//
// $Id: CssBackgroundQuantity.java,v 1.3 2010-01-05 13:49:49 ylafon Exp $
// From Sijtsche Smeman ([email protected])
//
// (c) COPYRIGHT 1995-2000 World Wide Web Consortium (MIT, INRIA, Keio University)
// Please first read the full copyright statement at
// http://www.w3.org/Consortium/Legal/copyright-software-19980720
package org.w3c.css.properties.css3;
import org.w3c.css.parser.CssStyle;
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.CssIdent;
import org.w3c.css.values.CssNumber;
import org.w3c.css.values.CssValue;
/**
*
* Value: <integer> || inherit || infinite || initial
* Initial:infinite
* Applies to:all elements
* Inherited:no
* Media::visual
*
* If a 'background-image' is specified, the value of, the value of 'background-quantity'
* determines how many times the image will repeat.
*/
public class CssBackgroundQuantity extends CssProperty {
CssValue bgquantity;
CssIdent initial = new CssIdent("initial");
CssIdent infinite = new CssIdent("infinite");
/**
* Create a new CssBackgroundQuantity
*/
public CssBackgroundQuantity() {
bgquantity = infinite;
}
/**
* Create a new CssBackgroundQuantity
*
* @param expression The expression for this property
* @exception InvalidParamException Incorrect value
*/
public CssBackgroundQuantity(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
CssValue val = expression.getValue();
setByUser();
if (val.equals(inherit)) {
bgquantity = inherit;
expression.next();
return;
} else if (val.equals(infinite)) {
bgquantity = infinite;
expression.next();
return;
} else if (val.equals(initial)) {
bgquantity = initial;
expression.next();
return;
} else if (val instanceof CssNumber) {
if (((CssNumber) val).isInteger()) {
bgquantity = val;
expression.next();
return;
} else {
throw new InvalidParamException("integer",
val.toString(),
getPropertyName(), ac);
}
}
throw new InvalidParamException("value",
val.toString(),
getPropertyName(), ac);
}
public CssBackgroundQuantity(ApplContext ac, CssExpression expression)
throws InvalidParamException {
this(ac, expression, false);
}
/**
* Add this property to the CssStyle
*
* @param style The CssStyle
*/
public void addToStyle(ApplContext ac, CssStyle style) {
if (((Css3Style) style).cssBackgroundQuantity != null)
style.addRedefinitionWarning(ac, this);
((Css3Style) style).cssBackgroundQuantity = this;
}
/**
* Get this property in the style.
*
* @param style The style where the property is
* @param resolve if true, resolve the style to find this property
*/
public CssProperty getPropertyInStyle(CssStyle style, boolean resolve) {
if (resolve) {
return ((Css3Style) style).getCssBackgroundQuantity();
}
else {
return ((Css3Style) style).cssBackgroundQuantity;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof CssBackgroundQuantity &&
bgquantity.equals(((CssBackgroundQuantity) property).bgquantity));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "background-quantity";
}
/**
* Returns the value of this property
*/
public Object get() {
return bgquantity;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return bgquantity.equals(inherit);
}
/**
* Returns a string representation of the object
*/
public String toString() {
return bgquantity.toString();
}
/**
* Is the value of this property a default value
* It is used by alle macro for the function print
*/
public boolean isDefault() {
return bgquantity == infinite;
}
}