org.w3c.css.properties.atsc.ATSCNavIndex Maven / Gradle / Ivy
//
// $Id: ATSCNavIndex.java,v 1.3 2010-01-05 13:49:34 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.atsc;
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>
* Inherited:no
* Percentages:no
* Media::visual
*
* This property is used to associate a styled element with a document unique
* integer in the range 0 throwug 32767 (inclusive) which is used for
* explicit directional navigation control.
*/
public class ATSCNavIndex extends CssProperty {
CssValue navindex;
ApplContext ac;
CssIdent auto = new CssIdent("auto");
/**
* Create a new ATSCNavIndex
*/
public ATSCNavIndex () {
//nothing to do
}
/**
* Create a new ATSCNavIndex
* @param expression The expression for this property
* @exception InvalidParamException Values are incorrect
*/
public ATSCNavIndex (ApplContext ac, CssExpression expression, boolean check)
throws InvalidParamException {
if(check && expression.getCount() >1) {
throw new InvalidParamException("unrecognize", ac);
}
this.ac = ac;
setByUser(); // tell this property is set by the user
CssValue val = expression.getValue();
if (val instanceof CssNumber) {
if (((CssNumber) val).getValue() > 0 &&
((CssNumber) val).getValue() < 32767 &&
((CssNumber) val).isInteger()) {
navindex = val;
expression.next();
} else {
throw new InvalidParamException("value", val.toString(),
getPropertyName(), ac);
}
} else if (val.equals(auto) || val.equals(inherit)) {
navindex = val;
expression.next();
} else {
throw new InvalidParamException("value", val.toString(),
getPropertyName(), ac);
}
}
public ATSCNavIndex(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 (((ATSCStyle) style).navindex != null)
style.addRedefinitionWarning(ac, this);
((ATSCStyle) style).navindex = 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 ((ATSCStyle) style).getNavIndex();
} else {
return ((ATSCStyle) style).navindex;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof ATSCNavIndex &&
navindex.equals( ((ATSCNavIndex) property).navindex));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "atsc-nav-index";
}
/**
* Returns the value of this property
*/
public Object get() {
return navindex;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return false;
}
/**
* Returns a string representation of the object
*/
public String toString() {
return navindex.toString();
}
/**
* Is the value of this property a default value
* It is used by all macro for the function print
*/
public boolean isDefault() {
return false;
}
}