org.w3c.css.properties.css3.CssGroupReset Maven / Gradle / Ivy
//
// $Id: CssGroupReset.java,v 1.3 2010-01-05 13:49:52 ylafon Exp $
// From Sijtsche de Jong ([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 java.util.Vector;
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.CssOperator;
import org.w3c.css.values.CssValue;
/**
*
* Value: + || none || inherit
* Initial:none
* Applies to:all elements
* Inherited:no
* Percentages:no
* Media::all
*
* The groups defined by the group-reset property are used as values
* for the toggle-group property.
*/
public class CssGroupReset extends CssProperty {
CssValue groupreset;
Vector values = new Vector();
static CssIdent none = new CssIdent("none");
/**
* Create a new CssGroupReset
*/
public CssGroupReset() {
groupreset = none;
}
/**
* Create a new CssGroupReset
*
* @param expression The expression for this property
* @exception InvalidParamException Incorrect values
*/
public CssGroupReset(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
setByUser();
CssValue val = expression.getValue();
CssToggleGroup tg = new CssToggleGroup();
char op = expression.getOperator();
int counter = 0;
if (val.equals(none)) {
groupreset = none;
expression.next();
return;
}
if (val.equals(inherit)) {
groupreset = inherit;
expression.next();
return;
}
while ((op == CssOperator.SPACE)
&& (counter < expression.getCount())) {
if (tg.groups.containsKey(val.toString())) {
values.addElement(val.toString());
expression.next();
val = expression.getValue();
op = expression.getOperator();
}
else {
throw new InvalidParamException("nogroup", expression.getValue(),
getPropertyName(), ac);
}
counter++;
}
}
public CssGroupReset(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).cssGroupReset != null)
style.addRedefinitionWarning(ac, this);
((Css3Style) style).cssGroupReset = 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).getGroupReset();
} else {
return ((Css3Style) style).cssGroupReset;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof CssGroupReset &&
groupreset.equals( ((CssGroupReset) property).groupreset));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "group-reset";
}
/**
* Returns the value of this property
*/
public Object get() {
return groupreset;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return groupreset.equals(inherit);
}
/**
* Returns a string representation of the object
*/
public String toString() {
if (groupreset != null)
return groupreset.toString();
else
return values.firstElement().toString();
}
/**
* Is the value of this property a default value
* It is used by all macro for the function print
*/
public boolean isDefault() {
return groupreset == none;
}
}