001    /*
002     $Id: TableLayoutRow.java 209 2003-10-24 12:47:18Z jstrachan $
003    
004     Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005    
006     Redistribution and use of this software and associated documentation
007     ("Software"), with or without modification, are permitted provided
008     that the following conditions are met:
009    
010     1. Redistributions of source code must retain copyright
011        statements and notices.  Redistributions must also contain a
012        copy of this document.
013    
014     2. Redistributions in binary form must reproduce the
015        above copyright notice, this list of conditions and the
016        following disclaimer in the documentation and/or other
017        materials provided with the distribution.
018    
019     3. The name "groovy" must not be used to endorse or promote
020        products derived from this Software without prior written
021        permission of The Codehaus.  For written permission,
022        please contact info@codehaus.org.
023    
024     4. Products derived from this Software may not be called "groovy"
025        nor may "groovy" appear in their names without prior written
026        permission of The Codehaus. "groovy" is a registered
027        trademark of The Codehaus.
028    
029     5. Due credit should be given to The Codehaus -
030        http://groovy.codehaus.org/
031    
032     THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033     ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034     NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035     FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
036     THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037     INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041     STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043     OF THE POSSIBILITY OF SUCH DAMAGE.
044    
045     */
046    package groovy.swing.impl;
047    
048    import java.awt.GridBagConstraints;
049    import java.util.ArrayList;
050    import java.util.Iterator;
051    import java.util.List;
052    
053    /** 
054     * Represents a row in a table layout
055     *
056     * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
057     * @version $Revision: 209 $
058     */
059    public class TableLayoutRow implements Startable {
060    
061        private TableLayout parent;
062        private List cells = new ArrayList();
063        private int rowIndex;
064        
065        public TableLayoutRow(TableLayout tableLayoutTag) {
066            this.parent = tableLayoutTag;
067        }
068    
069        /**
070         * Adds a new cell to this row
071         */
072        public void addCell(TableLayoutCell tag) {
073            tag.getConstraints().gridx = cells.size();
074            cells.add(tag);
075        }        
076        
077        public void start() {
078            rowIndex = parent.nextRowIndex();
079            
080            // now iterate through the rows and add each one to the layout...
081            for (Iterator iter = cells.iterator(); iter.hasNext(); ) {
082                TableLayoutCell cell = (TableLayoutCell) iter.next();
083                GridBagConstraints c = cell.getConstraints();
084    
085                // are we the last cell in the row
086                if ( iter.hasNext() ) {
087                    // not last in row
088                    c.gridwidth = GridBagConstraints.RELATIVE;                
089                }
090                else {
091                    // end of row
092                    c.gridwidth = GridBagConstraints.REMAINDER;
093                }
094                c.gridy = rowIndex;
095                
096                // now lets add the cell to the table
097                parent.addCell(cell);
098            }        
099        }
100        
101        // Properties
102        //-------------------------------------------------------------------------                    
103        
104        /**
105         * @return the row index of this row
106         */
107        public int getRowIndex() {
108            return rowIndex;
109        }
110    
111    }