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org.apache.commons.jelly.tags.swing.TrTag |
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1 | /* |
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2 | * Copyright 2002,2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package org.apache.commons.jelly.tags.swing; |
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17 | ||
18 | import java.awt.Component; |
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19 | import java.awt.GridBagConstraints; |
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20 | import java.util.ArrayList; |
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21 | import java.util.Iterator; |
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22 | import java.util.List; |
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23 | ||
24 | import org.apache.commons.jelly.JellyTagException; |
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25 | import org.apache.commons.jelly.TagSupport; |
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26 | import org.apache.commons.jelly.XMLOutput; |
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27 | import org.apache.commons.jelly.tags.swing.impl.Cell; |
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28 | import org.apache.commons.logging.Log; |
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29 | import org.apache.commons.logging.LogFactory; |
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30 | ||
31 | /** |
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32 | * Represents a tabular row inside a <tableLayout> tag which mimicks the |
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33 | * <tr> HTML tag. |
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34 | * |
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35 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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36 | * @version $Revision: 155420 $ |
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37 | */ |
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38 | public class TrTag extends TagSupport { |
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39 | ||
40 | /** The Log to which logging calls will be made. */ |
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41 | 8 | private static final Log log = LogFactory.getLog(TrTag.class); |
42 | ||
43 | private TableLayoutTag tableLayoutTag; |
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44 | 0 | private List cells = new ArrayList(); |
45 | private int rowIndex; |
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46 | ||
47 | 0 | public TrTag() { |
48 | 0 | } |
49 | ||
50 | /** |
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51 | * Adds a new cell to this row |
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52 | */ |
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53 | public void addCell(Component component, GridBagConstraints constraints) throws JellyTagException { |
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54 | 0 | constraints.gridx = cells.size(); |
55 | 0 | cells.add(new Cell(constraints, component)); |
56 | 0 | } |
57 | ||
58 | ||
59 | // Tag interface |
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60 | //------------------------------------------------------------------------- |
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61 | public void doTag(final XMLOutput output) throws JellyTagException { |
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62 | 0 | tableLayoutTag = (TableLayoutTag) findAncestorWithClass( TableLayoutTag.class ); |
63 | 0 | if (tableLayoutTag == null) { |
64 | 0 | throw new JellyTagException( "this tag must be nested within a <tableLayout> tag" ); |
65 | } |
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66 | 0 | rowIndex = tableLayoutTag.nextRowIndex(); |
67 | 0 | cells.clear(); |
68 | ||
69 | 0 | invokeBody(output); |
70 | ||
71 | // now iterate through the rows and add each one to the layout... |
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72 | 0 | int colIndex = 0; |
73 | 0 | for (Iterator iter = cells.iterator(); iter.hasNext(); ) { |
74 | 0 | Cell cell = (Cell) iter.next(); |
75 | 0 | GridBagConstraints c = cell.getConstraints(); |
76 | ||
77 | // are we the last cell in the row |
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78 | 0 | if ( iter.hasNext() ) { |
79 | // not last in row |
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80 | 0 | c.gridwidth = 1; |
81 | 0 | c.gridx = colIndex++; |
82 | } |
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83 | else { |
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84 | // end of row |
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85 | 0 | c.gridwidth = GridBagConstraints.REMAINDER; |
86 | } |
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87 | 0 | c.gridy = rowIndex; |
88 | ||
89 | // now lets add the cell to the table |
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90 | 0 | tableLayoutTag.addCell(cell); |
91 | } |
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92 | 0 | cells.clear(); |
93 | 0 | } |
94 | ||
95 | // Properties |
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96 | //------------------------------------------------------------------------- |
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97 | ||
98 | /** |
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99 | * @return the row index of this row |
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100 | */ |
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101 | public int getRowIndex() { |
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102 | 0 | return rowIndex; |
103 | } |
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104 | ||
105 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |