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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.render.rtf;
import java.util.List;
import org.apache.commons.logging.impl.SimpleLog;
import org.apache.commons.logging.Log;
import org.apache.fop.render.rtf.rtflib.rtfdoc.RtfAttributes;
import org.apache.fop.render.rtf.rtflib.interfaces.ITableColumnsInfo;
/** Used when handling fo:table to hold information to build the table.
*
* Contributor(s):
* @author Bertrand Delacretaz <bdelacretaz@codeconsult.ch>
* @author Trembicki-Guy, Ed <GuyE@DNB.com>
* @author Boris Poudérous <boris.pouderous@eads-telecom.com>
* @author Peter Herweg <pherweg@web.de>
*
* This class was originally developed for the JFOR project and
* is now integrated into FOP.
*/
class TableContext implements ITableColumnsInfo {
private final Log log = new SimpleLog("FOP/RTF");
private final BuilderContext context;
private final List colWidths = new java.util.ArrayList();
private int colIndex;
/**
* Added by Peter Herweg on 2002-06-29
* This ArrayList contains one element for each column in the table.
* value == 0 means there is no row-spanning
* value > 0 means there is row-spanning
* Each value in the list is decreased by 1 after each finished table-row
*/
private final List colRowSpanningNumber = new java.util.ArrayList();
/**
* Added by Peter Herweg on 2002-06-29
* If there has a vertical merged cell to be created, its attributes are
* inherited from the corresponding MERGE_START-cell.
* For this purpose the attributes of a cell are stored in this array, as soon
* as a number-rows-spanned attribute has been found.
*/
private final List colRowSpanningAttrs = new java.util.ArrayList();
private boolean bNextRowBelongsToHeader = false;
public void setNextRowBelongsToHeader(boolean value) {
this.bNextRowBelongsToHeader = value;
}
public boolean getNextRowBelongsToHeader() {
return bNextRowBelongsToHeader;
}
TableContext(BuilderContext ctx) {
context = ctx;
}
void setNextColumnWidth(String strWidth)
throws Exception {
colWidths.add(new Float(FoUnitsConverter.getInstance().convertToTwips(strWidth)));
}
//Added by Peter Herweg on 2002-06-29
RtfAttributes getColumnRowSpanningAttrs() {
return (RtfAttributes)colRowSpanningAttrs.get(colIndex);
}
//Added by Peter Herweg on 2002-06-29
Integer getColumnRowSpanningNumber() {
return (Integer)colRowSpanningNumber.get(colIndex);
}
//Added by Peter Herweg on 2002-06-29
void setCurrentColumnRowSpanning(Integer iRowSpanning, RtfAttributes attrs)
throws Exception {
if (colIndex < colRowSpanningNumber.size()) {
colRowSpanningNumber.set(colIndex, iRowSpanning);
colRowSpanningAttrs.set(colIndex, attrs);
} else {
colRowSpanningNumber.add(iRowSpanning);
colRowSpanningAttrs.add(colIndex, attrs);
}
}
//Added by Peter Herweg on 2002-06-29
public void setNextColumnRowSpanning(Integer iRowSpanning,
RtfAttributes attrs) {
colRowSpanningNumber.add(iRowSpanning);
colRowSpanningAttrs.add(colIndex, attrs);
}
/**
* Added by Peter Herweg on 2002-06-29
* This function is called after each finished table-row.
* It decreases all values in colRowSpanningNumber by 1. If a value
* reaches 0 row-spanning is finished, and the value won't be decreased anymore.
*/
public void decreaseRowSpannings() {
for (int z = 0; z < colRowSpanningNumber.size(); ++z) {
Integer i = (Integer)colRowSpanningNumber.get(z);
if (i.intValue() > 0) {
i = new Integer(i.intValue() - 1);
}
colRowSpanningNumber.set(z, i);
if (i.intValue() == 0) {
colRowSpanningAttrs.set(z, null);
}
}
}
/**
* Reset the column iteration index, meant to be called when creating a new row
* The 'public' modifier has been added by Boris Poudérous for
* 'number-columns-spanned' processing
*/
public void selectFirstColumn() {
colIndex = 0;
}
/**
* Increment the column iteration index
* The 'public' modifier has been added by Boris Poudérous for
* 'number-columns-spanned' processing
*/
public void selectNextColumn() {
colIndex++;
}
/**
* Get current column width according to column iteration index
* @return INVALID_COLUMN_WIDTH if we cannot find the value
* The 'public' modifier has been added by Boris Poudérous for
* 'number-columns-spanned' processing
*/
public float getColumnWidth() {
try {
return ((Float)colWidths.get(colIndex)).floatValue();
} catch (IndexOutOfBoundsException ex) {
// this code contributed by Trembicki-Guy, Ed <GuyE@DNB.com>
log.warn("fo:table-column width not defined, using " + INVALID_COLUM_WIDTH);
return INVALID_COLUM_WIDTH;
}
}
/** Added by Boris Poudérous on 07/22/2002 */
public int getColumnIndex() {
return colIndex;
}
/** - end - */
/** Added by Boris Poudérous on 07/22/2002 */
public int getNumberOfColumns() {
return colWidths.size();
}
/** - end - */
}
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