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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.fo.flow.table;
-
- import java.util.List;
-
- import org.apache.fop.apps.FOPException;
- import org.apache.fop.datatypes.Length;
- import org.apache.fop.fo.FONode;
- import org.apache.fop.fo.PropertyList;
- import org.apache.fop.fo.properties.CommonAccessibility;
- import org.apache.fop.fo.properties.CommonAccessibilityHolder;
-
- /**
- * A common class for fo:table-body and fo:table-row which both can contain fo:table-cell.
- */
- public abstract class TableCellContainer extends TableFObj
- implements ColumnNumberManagerHolder, CommonAccessibilityHolder {
-
- private CommonAccessibility commonAccessibility;
-
- /** list of pending spans */
- protected List pendingSpans;
-
- /** column number manager */
- protected ColumnNumberManager columnNumberManager;
-
- /**
- * Construct table cell container.
- * @param parent the parent node of the cell container
- */
- public TableCellContainer(FONode parent) {
- super(parent);
- }
-
- @Override
- public void bind(PropertyList pList) throws FOPException {
- super.bind(pList);
- commonAccessibility = CommonAccessibility.getInstance(pList);
- }
-
- /**
- * Add cell to current row.
- * @param cell a table cell to add
- * @param firstRow true is first row
- * @throws FOPException if exception occurs
- */
- protected void addTableCellChild(TableCell cell, boolean firstRow) throws FOPException {
- int colNumber = cell.getColumnNumber();
- int colSpan = cell.getNumberColumnsSpanned();
- int rowSpan = cell.getNumberRowsSpanned();
-
- Table t = getTable();
- if (t.hasExplicitColumns()) {
- if (colNumber + colSpan - 1 > t.getNumberOfColumns()) {
- TableEventProducer eventProducer = TableEventProducer.Provider.get(
- getUserAgent().getEventBroadcaster());
- eventProducer.tooManyCells(this, getLocator());
- }
- } else {
- t.ensureColumnNumber(colNumber + colSpan - 1);
- // re-cap the size of pendingSpans
- while (pendingSpans.size() < colNumber + colSpan - 1) {
- pendingSpans.add(null);
- }
- }
- if (firstRow) {
- handleCellWidth(cell, colNumber, colSpan);
- }
-
- /* if the current cell spans more than one row,
- * update pending span list for the next row
- */
- if (rowSpan > 1) {
- for (int i = 0; i < colSpan; i++) {
- pendingSpans.set(colNumber - 1 + i, new PendingSpan(rowSpan));
- }
- }
-
- columnNumberManager.signalUsedColumnNumbers(colNumber, colNumber + colSpan - 1);
-
- t.getRowGroupBuilder().addTableCell(cell);
- }
-
- private void handleCellWidth(TableCell cell, int colNumber, int colSpan) throws FOPException {
- Table t = getTable();
- Length colWidth = null;
-
- if (cell.getWidth().getEnum() != EN_AUTO
- && colSpan == 1) {
- colWidth = cell.getWidth();
- }
-
- for (int i = colNumber; i < colNumber + colSpan; ++i) {
- TableColumn col = t.getColumn(i - 1);
- if (colWidth != null) {
- col.setColumnWidth(colWidth);
- }
- }
- }
-
- /**
- * Returns the enclosing table-header/footer/body of this container.
- *
- * @return <code>this</code> for TablePart, or the parent element for TableRow
- */
- abstract TablePart getTablePart();
-
- /** {@inheritDoc} */
- public ColumnNumberManager getColumnNumberManager() {
- return columnNumberManager;
- }
-
- /** {@inheritDoc} */
- public CommonAccessibility getCommonAccessibility() {
- return commonAccessibility;
- }
-
- }
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