/*
* {{{ header & license
* Copyright (c) 2007 Wisconsin Court System
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*/
package org.xhtmlrenderer.css.parser.property;
import java.util.ArrayList;
import java.util.List;
import org.w3c.dom.css.CSSPrimitiveValue;
import org.w3c.dom.css.CSSValue;
import org.xhtmlrenderer.css.constants.CSSName;
import org.xhtmlrenderer.css.constants.IdentValue;
import org.xhtmlrenderer.css.parser.CSSParseException;
import org.xhtmlrenderer.css.parser.PropertyValue;
import org.xhtmlrenderer.css.sheet.PropertyDeclaration;
public class SizePropertyBuilder extends AbstractPropertyBuilder {
private static final CSSName[] ALL = { CSSName.FS_PAGE_ORIENTATION, CSSName.FS_PAGE_HEIGHT, CSSName.FS_PAGE_WIDTH };
public List buildDeclarations(
CSSName cssName, List values, int origin, boolean important, boolean inheritAllowed) {
List result = new ArrayList(3);
checkValueCount(cssName, 1, 2, values.size());
if (values.size() == 1) {
PropertyValue value = (PropertyValue)values.get(0);
checkInheritAllowed(value, inheritAllowed);
if (value.getCssValueType() == CSSValue.CSS_INHERIT) {
return checkInheritAll(ALL, values, origin, important, inheritAllowed);
} else if (value.getPrimitiveType() == CSSPrimitiveValue.CSS_IDENT) {
PageSize pageSize = PageSize.getPageSize(value.getStringValue());
if (pageSize != null) {
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_ORIENTATION, new PropertyValue(IdentValue.AUTO), important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_WIDTH, pageSize.getPageWidth(), important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_HEIGHT, pageSize.getPageHeight(), important, origin));
return result;
}
IdentValue ident = checkIdent(cssName, value);
if (ident == IdentValue.LANDSCAPE || ident == IdentValue.PORTRAIT) {
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_ORIENTATION, value, important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_WIDTH, new PropertyValue(IdentValue.AUTO), important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_HEIGHT, new PropertyValue(IdentValue.AUTO), important, origin));
return result;
} else if (ident == IdentValue.AUTO) {
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_ORIENTATION, value, important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_WIDTH, value, important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_HEIGHT, value, important, origin));
return result;
} else {
throw new CSSParseException("Identifier " + ident + " is not a valid value for " + cssName, -1);
}
} else if (isLength(value)) {
if (value.getFloatValue() < 0.0f) {
throw new CSSParseException("A page dimension may not be negative", -1);
}
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_ORIENTATION, new PropertyValue(IdentValue.AUTO), important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_WIDTH, value, important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_HEIGHT, value, important, origin));
return result;
} else {
throw new CSSParseException("Value for " + cssName + " must be a length or identifier", -1);
}
} else { /* values.size == 2 */
PropertyValue value1 = (PropertyValue)values.get(0);
PropertyValue value2 = (PropertyValue)values.get(1);
checkInheritAllowed(value2, false);
if (isLength(value1) && isLength(value2)) {
if (value1.getFloatValue() < 0.0f) {
throw new CSSParseException("A page dimension may not be negative", -1);
}
if (value2.getFloatValue() < 0.0f) {
throw new CSSParseException("A page dimension may not be negative", -1);
}
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_ORIENTATION, new PropertyValue(IdentValue.AUTO), important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_WIDTH, value1, important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_HEIGHT, value2, important, origin));
return result;
} else if (value1.getPrimitiveType() == CSSPrimitiveValue.CSS_IDENT &&
value2.getPrimitiveType() == CSSPrimitiveValue.CSS_IDENT) {
if (value2.getStringValue().equals("landscape") ||
value2.getStringValue().equals("portrait")) {
PropertyValue temp = value1;
value1 = value2;
value2 = temp;
}
if (! (value1.toString().equals("landscape") || value1.toString().equals("portrait"))) {
throw new CSSParseException("Value " + value1 + " is not a valid page orientation", -1);
}
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_ORIENTATION, value1, important, origin));
PageSize pageSize = PageSize.getPageSize(value2.getStringValue());
if (pageSize == null) {
throw new CSSParseException("Value " + value1 + " is not a valid page size", -1);
}
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_WIDTH, pageSize.getPageWidth(), important, origin));
result.add(new PropertyDeclaration(
CSSName.FS_PAGE_HEIGHT, pageSize.getPageHeight(), important, origin));
return result;
} else {
throw new CSSParseException("Invalid value for size property", -1);
}
}
}
}