/*
* $Id: TableColLength.java,v 1.4.2.1 2003/02/25 10:48:28 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.datatypes;
import org.apache.fop.fo.expr.Numeric;
/**
* A table-column width specification, possibly including some
* number of proportional "column-units". The absolute size of a
* column-unit depends on the fixed and proportional sizes of all
* columns in the table, and on the overall size of the table.
* It can't be calculated until all columns have been specified and until
* the actual width of the table is known. Since this can be specified
* as a percent of its parent containing width, the calculation is done
* during layout.
* NOTE: this is only supposed to be allowed if table-layout=fixed.
*/
public class TableColLength extends Length {
/**
* Number of table-column proportional units
*/
double tcolUnits;
/**
* Construct an object with tcolUnits of proportional measure.
*/
public TableColLength(double tcolUnits) {
this.tcolUnits = tcolUnits;
}
/**
* Override the method in Length to return the number of specified
* proportional table-column units.
*/
public double getTableUnits() {
return tcolUnits;
}
/**
* Calculate the number of millipoints and set it.
*/
public void resolveTableUnit(double mpointsPerUnit) {
setComputedValue((int)(tcolUnits * mpointsPerUnit));
}
//If the table-unit can be resolved, set the computed value
// protected void computeValue() {
// if (tblUnitBase.canResolveUnit()) {
// rslt += (int)(tcolUnits * (double)tblUnitBase.getUnitValue());
// setComputedValue(rslt);
// }
// }
public String toString() {
return (Double.toString(tcolUnits) + " table-column-units");
}
public Numeric asNumeric() {
return new Numeric(this);
}
}