org.w3c.css.properties.css3.CssFitPosition Maven / Gradle / Ivy
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//
// $Id: CssFitPosition.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 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.util.Util;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssIdent;
import org.w3c.css.values.CssLength;
import org.w3c.css.values.CssOperator;
import org.w3c.css.values.CssPercentage;
import org.w3c.css.values.CssValue;
public class CssFitPosition extends CssProperty implements CssOperator {
String fitpos = new String();
ApplContext ac;
CssIdent auto = new CssIdent("auto");
CssIdent initial = new CssIdent("initial");
CssIdent top = new CssIdent("top");
CssIdent center = new CssIdent("center");
CssIdent bottom = new CssIdent("bottom");
CssIdent left = new CssIdent("left");
CssIdent right = new CssIdent("right");
/**
* Create a new CssFitPosition
*/
public CssFitPosition() {
fitpos = "0% 0%";
}
/**
* Create a new CssFitPosition
*
* @param expression The expression for this property
* @exception InvalidParamException Values are incorrect
*/
public CssFitPosition(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
this.ac = ac;
setByUser(); // tell this property is set by the user
CssValue val = expression.getValue();
char op = expression.getOperator();
if (op == SPACE) {
val = expression.getValue();
if (val != null) {
if (val instanceof CssIdent) {
if (val.equals(top)) {
fitpos += " " + val.toString();
} else if (val.equals(center)) {
fitpos += " " + val.toString();
} else if (val.equals(bottom)) {
fitpos += " " + val.toString();
} else if (val.equals(initial)) {
fitpos += " " + val.toString();
} else {
throw new InvalidParamException("value", val.toString(), getPropertyName(), ac);
}
expression.next();
op = expression.getOperator();
val = expression.getValue();
if (val != null && val instanceof CssIdent) {
if (val.equals(left)) {
fitpos += " " + val.toString();
} else if (val.equals(center)) {
fitpos += " " + val.toString();
} else if (val.equals(right)) {
fitpos += " " + val.toString();
} else {
throw new InvalidParamException("value", val.toString(), getPropertyName(), ac);
}
}
expression.next();
} else if (val instanceof CssLength) {
fitpos += " " + val.toString();
expression.next();
op = expression.getOperator();
val = expression.getValue();
if (val != null && val instanceof CssLength) {
fitpos += " " + val.toString();
expression.next();
} else if (val instanceof CssPercentage) {
fitpos += " " + val.toString();
expression.next();
}
} else if (val instanceof CssPercentage) {
fitpos += " " + val.toString();
expression.next();
op = expression.getOperator();
val = expression.getValue();
if (val != null && val instanceof CssLength) {
fitpos += " " + val.toString();
expression.next();
} else if (val instanceof CssPercentage) {
fitpos += " " + val.toString();
expression.next();
}
} else {
throw new InvalidParamException("value", val.toString(), getPropertyName(), ac);
}
}
}
else if (val instanceof CssIdent) {
if (val.equals(inherit)) {
fitpos = "inherit";
expression.next();
} else if (val.equals(auto)) {
fitpos = "auto";
expression.next();
} else if (val.equals(initial)) {
fitpos = "initial";
expression.next();
}
}
else {
throw new InvalidParamException("value", val.toString(), getPropertyName(), ac);
}
}
public CssFitPosition(ApplContext ac, CssExpression expression)
throws InvalidParamException {
this(ac, expression, false);
}
/**
* Brings all values back between 0 and 1
*
* @param opac The value to be modified if necessary
*/
private float clampedValue(ApplContext ac, float opac) {
if (opac < 0 || opac > 1) {
ac.getFrame().addWarning("out-of-range", Util.displayFloat(opac));
return ((opac<0)?0:1);
}
else return(opac);
}
/**
* Add this property to the CssStyle.
*
* @param style The CssStyle
*/
public void addToStyle(ApplContext ac, CssStyle style) {
if (((Css3Style) style).cssFitPosition != null)
style.addRedefinitionWarning(ac, this);
((Css3Style) style).cssFitPosition = 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).getFitPosition();
} else {
return ((Css3Style) style).cssFitPosition;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof CssFitPosition &&
fitpos.equals( ((CssFitPosition) property).fitpos));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "fit-position";
}
/**
* Returns the value of this property
*/
public Object get() {
return fitpos;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return fitpos.equals("inherit");
}
/**
* Returns a string representation of the object
*/
public String toString() {
return fitpos;
}
/**
* Is the value of this property a default value
* It is used by all macro for the function print
*/
public boolean isDefault() {
return fitpos.equals("0% 0%");
}
}
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