org.w3c.css.properties.css3.CssToggleGroup Maven / Gradle / Ivy
//
// $Id: CssToggleGroup.java,v 1.3 2010-01-05 13:49:55 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.Hashtable;
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.CssValue;
/**
*
* Value: || none || inherit
* Initial:none
* Applies to:all elements
* Inherited:no
* Percentages:no
* Media::all
*
* The 'toggle-group' property accepts the name of a group (identifier).
* The property indicates which toggle group that the element is a member
* of. Only one element belonging to any given toggle group can be :checked.
*/
public class CssToggleGroup extends CssProperty {
CssValue toggle;
public static Hashtable groups = new Hashtable();
public static String checkedel = new String();
String selector = new String();
CssIdent none = new CssIdent("none");
/**
* Create a new CssToggleGroup
*/
public CssToggleGroup() {
toggle = none;
}
/**
* Create a new CssToggleGroup
*
* @param expression The expression for this property
* @exception InvalidParamException Incorrect values
*/
public CssToggleGroup(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
setByUser();
CssValue val = expression.getValue();
if (val.equals(none)) {
toggle = none;
expression.next();
}
else if (val.equals(inherit)) {
toggle = inherit;
expression.next();
}
else if (val instanceof CssIdent) {
if (!groups.containsKey(val.toString())) { // add group + element
Vector elements = new Vector();
elements.addElement(selector);
groups.put(val.toString(), elements);
toggle = val;
expression.next();
}
else { // group already exists, only add element
Vector elements = new Vector();
elements = (Vector) groups.get(val.toString());
if (!elements.contains(selector)) {
groups.remove(val.toString());
elements.addElement(selector);
groups.put(val.toString(), elements);
toggle = val;
expression.next();
}
toggle = val;
expression.next();
}
}
else {
throw new InvalidParamException("groupname", expression.getValue(),
getPropertyName(), ac);
}
}
public CssToggleGroup(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).cssToggleGroup != null)
style.addRedefinitionWarning(ac, this);
((Css3Style) style).cssToggleGroup = 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) {
selector = ((Css3Style) style).getSelector();
if (resolve) {
return ((Css3Style) style).getToggleGroup();
} else {
return ((Css3Style) style).cssToggleGroup;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof CssToggleGroup &&
toggle.equals( ((CssToggleGroup) property).toggle));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "toggle-group";
}
/**
* Returns the value of this property
*/
public Object get() {
return toggle;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return toggle.equals(inherit);
}
/**
* Returns a string representation of the object
*/
public String toString() {
return toggle.toString();
}
/**
* Is the value of this property a default value
* It is used by all macro for the function print
*/
public boolean isDefault() {
return toggle == none;
}
}