| /* |
| * 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; |
| } |
| |
| } |