* Value: baseline || sub || super || <percentage> || <length> || inherit
* Initial:baseline
* Applies to:inline-level elements
* Inherited:no
* Percentages:refers to the 'line-height' of the element
* Media::visual
*
* The 'baseline-shift' property allows repositioning of the dominant-baseline
* relative to the dominant-baseline. The shifted object might be a sub- or
* superscript. Within the shifted object, the whole baseline table is offset;
* not just a single baseline. For sub- and superscript, the amount of offset
* is determined from the nominal font of the parent.
*/
public class CssBaselineShift extends CssProperty {
CssValue baselineshift;
private static CssIdent baseline = new CssIdent("baseline");
private static CssIdent sub = new CssIdent("sub");
private static CssIdent sup = new CssIdent("super");
private static CssIdent initial = new CssIdent("initial");
/**
* Create a new CssBaselineShift
*/
public CssBaselineShift() {
baselineshift = baseline;
}
/**
* Create a new CssBaselineShift
*
* @param expression The expression for this property
* @exception InvalidParamException Incorrect value
*/
public CssBaselineShift(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
setByUser();
CssValue val = expression.getValue();
if (val.equals(inherit)) {
baselineshift = inherit;
expression.next();
}
else if (val.equals(baseline)) {
baselineshift = baseline;
expression.next();
}
else if (val.equals(sub)) {
baselineshift = sub;
expression.next();
}
else if (val.equals(sup)) {
baselineshift = sup;
expression.next();
}
else if (val.equals(initial)) {
baselineshift = initial;
expression.next();
}
else if (val instanceof CssPercentage) {
baselineshift = val;
expression.next();
}
else if (val instanceof CssLength) {
baselineshift = val;
expression.next();
}
else {
throw new InvalidParamException("value", expression.getValue(),
getPropertyName(), ac);
}
}
public CssBaselineShift(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).cssBaselineShift != null)
style.addRedefinitionWarning(ac, this);
((Css3Style) style).cssBaselineShift = 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).getBaselineShift();
}
else {
return ((Css3Style) style).cssBaselineShift;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof CssBaselineShift &&
baselineshift.equals(((CssBaselineShift) property).baselineshift));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "baseline-shift";
}
/**
* Returns the value of this property
*/
public Object get() {
return baselineshift;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return baselineshift.equals(inherit);
}
/**
* Returns a string representation of the object
*/
public String toString() {
return baselineshift.toString();
}
/**
* Is the value of this property a default value
* It is used by alle macro for the function print
*/
public boolean isDefault() {
return baselineshift == baseline;
}
}