| /* |
| * Copyright 2002,2004 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. |
| */ |
| package org.apache.commons.jelly.tags.swing; |
| |
| import java.awt.Component; |
| import java.awt.GridBagConstraints; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| import org.apache.commons.jelly.tags.swing.impl.Cell; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * Represents a tabular row inside a <tableLayout> tag which mimicks the |
| * <tr> HTML tag. |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.7 $ |
| */ |
| public class TrTag extends TagSupport { |
| |
| /** The Log to which logging calls will be made. */ |
| private static final Log log = LogFactory.getLog(TrTag.class); |
| |
| private TableLayoutTag tableLayoutTag; |
| private List cells = new ArrayList(); |
| private int rowIndex; |
| |
| public TrTag() { |
| } |
| |
| /** |
| * Adds a new cell to this row |
| */ |
| public void addCell(Component component, GridBagConstraints constraints) throws JellyTagException { |
| constraints.gridx = cells.size(); |
| cells.add(new Cell(constraints, component)); |
| } |
| |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag(final XMLOutput output) throws JellyTagException { |
| tableLayoutTag = (TableLayoutTag) findAncestorWithClass( TableLayoutTag.class ); |
| if (tableLayoutTag == null) { |
| throw new JellyTagException( "this tag must be nested within a <tableLayout> tag" ); |
| } |
| rowIndex = tableLayoutTag.nextRowIndex(); |
| cells.clear(); |
| |
| invokeBody(output); |
| |
| // now iterate through the rows and add each one to the layout... |
| for (Iterator iter = cells.iterator(); iter.hasNext(); ) { |
| Cell cell = (Cell) iter.next(); |
| GridBagConstraints c = cell.getConstraints(); |
| |
| // are we the last cell in the row |
| if ( iter.hasNext() ) { |
| // not last in row |
| c.gridwidth = GridBagConstraints.RELATIVE; |
| } |
| else { |
| // end of row |
| c.gridwidth = GridBagConstraints.REMAINDER; |
| } |
| c.gridy = rowIndex; |
| |
| // now lets add the cell to the table |
| tableLayoutTag.addCell(cell); |
| } |
| cells.clear(); |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| /** |
| * @return the row index of this row |
| */ |
| public int getRowIndex() { |
| return rowIndex; |
| } |
| |
| } |