org.w3c.css.properties.paged.PageBreakAfter Maven / Gradle / Ivy
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//
// $Id: PageBreakAfter.java,v 1.3 2010-01-05 13:49:57 ylafon Exp $
// From Philippe Le Hegaret ([email protected])
//
// (c) COPYRIGHT MIT and INRIA, 1997.
// Please first read the full copyright statement in file COPYRIGHT.html
/*
*/
package org.w3c.css.properties.paged;
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;
/**
* @version $Revision: 1.3 $
*/
public class PageBreakAfter extends CssProperty
implements CssOperator {
int value;
private static String PAGEBREAKAFTER[] = {
"auto", "always", "avoid", "left", "right", "inherit" };
private static int[] hash_values;
/**
* Create a new CssPageBreakAfter
*/
public PageBreakAfter() {
value = 0;
}
/**
* Create a new CssPageBreakAfter
*
* @param expression The expression for this property
* @exception InvalidParamException Values are incorrect
*/
public PageBreakAfter(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
if(check && expression.getCount() > 1) {
throw new InvalidParamException("unrecognize", ac);
}
CssValue val = expression.getValue();
// char op = expression.getOperator();
setByUser();
if (val instanceof CssIdent) {
int hash = val.hashCode();
for (int i = 0; i < PAGEBREAKAFTER.length; i++) {
if (hash_values[i] == hash) {
value = i;
expression.next();
return;
}
}
}
throw new InvalidParamException("value",
val.toString(), getPropertyName(), ac);
}
public PageBreakAfter(ApplContext ac, CssExpression expression)
throws InvalidParamException {
this(ac, expression, false);
}
/**
* Returns the value of this property
*/
public Object get() {
return null;
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "page-break-after";
}
/**
* Returns true if this property is "softly" inherited
* e.g. his value equals inherit
*/
public boolean isSoftlyInherited() {
return value == PAGEBREAKAFTER.length - 1;
}
/**
* Returns a string representation of the object.
*/
public String toString() {
return PAGEBREAKAFTER[value];
}
/**
* Add this property to the CssStyle.
*
* @param style The CssStyle
*/
public void addToStyle(ApplContext ac, CssStyle style) {
Css2Style style0 = (Css2Style) style;
if (style0.pageBreakAfter != null)
style0.addRedefinitionWarning(ac, this);
style0.pageBreakAfter = 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 ((Css2Style) style).getPageBreakAfter();
} else {
return ((Css2Style) style).pageBreakAfter;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof PageBreakAfter
&& value == ((PageBreakAfter) property).value);
}
/**
* Is the value of this property is a default value.
* It is used by all macro for the function print
*/
public boolean isDefault() {
return value == 0;
}
static {
hash_values = new int[PAGEBREAKAFTER.length];
for (int i=0; i