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org.apache.commons.jelly.tags.swing.model.ExpressionTableModel |
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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.model; |
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17 | ||
18 | import java.util.ArrayList; |
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19 | import java.util.List; |
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20 | ||
21 | import javax.swing.table.AbstractTableModel; |
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22 | import javax.swing.table.DefaultTableColumnModel; |
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23 | import javax.swing.table.TableColumnModel; |
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24 | ||
25 | import org.apache.commons.jelly.JellyContext; |
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26 | ||
27 | /** |
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28 | * A Swing TableModel that uses a List of rows with pluggable Expressions |
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29 | * to evaluate the value of the cells |
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30 | * |
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31 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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32 | * @version $Revision: 155420 $ |
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33 | */ |
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34 | public class ExpressionTableModel extends AbstractTableModel { |
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35 | ||
36 | private JellyContext context; |
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37 | 0 | private List rows = new ArrayList(); |
38 | 0 | private MyTableColumnModel columnModel = new MyTableColumnModel(); |
39 | ||
40 | 0 | public ExpressionTableModel() { |
41 | 0 | } |
42 | ||
43 | /** |
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44 | * Returns the column definitions. |
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45 | * @return List |
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46 | */ |
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47 | public List getColumnList() { |
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48 | 0 | return columnModel.getColumnList(); |
49 | } |
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50 | ||
51 | /** |
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52 | * @return the TableColumnModel |
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53 | */ |
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54 | public TableColumnModel getColumnModel() { |
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55 | 0 | return columnModel; |
56 | } |
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57 | ||
58 | /** |
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59 | * Adds a new column definition to the table |
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60 | */ |
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61 | public void addColumn(ExpressionTableColumn column) { |
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62 | 0 | columnModel.addColumn(column); |
63 | 0 | } |
64 | ||
65 | /** |
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66 | * Removes a column definition from the table |
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67 | */ |
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68 | public void removeColumn(ExpressionTableColumn column) { |
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69 | 0 | columnModel.removeColumn(column); |
70 | 0 | } |
71 | ||
72 | ||
73 | // TableModel interface |
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74 | //------------------------------------------------------------------------- |
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75 | public int getRowCount() { |
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76 | 0 | return rows.size(); |
77 | } |
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78 | ||
79 | public int getColumnCount() { |
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80 | 0 | return columnModel.getColumnCount(); |
81 | } |
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82 | ||
83 | public String getColumnName(int columnIndex) { |
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84 | 0 | String answer = null; |
85 | 0 | if (columnIndex < 0 || columnIndex >= columnModel.getColumnCount()) { |
86 | 0 | return answer; |
87 | } |
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88 | 0 | Object value = columnModel.getColumn(columnIndex).getHeaderValue(); |
89 | 0 | if (value != null) { |
90 | 0 | return value.toString(); |
91 | } |
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92 | 0 | return answer; |
93 | } |
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94 | ||
95 | public Object getValueAt(int rowIndex, class="keyword">int columnIndex) { |
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96 | 0 | Object answer = null; |
97 | 0 | if (rowIndex < 0 || rowIndex >= rows.size()) { |
98 | 0 | return answer; |
99 | } |
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100 | 0 | if (columnIndex < 0 || columnIndex >= columnModel.getColumnCount()) { |
101 | 0 | return answer; |
102 | } |
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103 | 0 | Object row = rows.get(rowIndex);; |
104 | 0 | ExpressionTableColumn column = (ExpressionTableColumn) columnModel.getColumn(columnIndex); |
105 | 0 | if (row == null || column == class="keyword">null) { |
106 | 0 | return answer; |
107 | } |
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108 | 0 | return column.evaluateValue(this, row, rowIndex, columnIndex); |
109 | } |
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110 | ||
111 | ||
112 | // Properties |
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113 | //------------------------------------------------------------------------- |
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114 | ||
115 | ||
116 | /** |
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117 | * Returns the list of rows. |
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118 | * @return List |
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119 | */ |
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120 | public List getRows() { |
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121 | 0 | return rows; |
122 | } |
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123 | ||
124 | /** |
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125 | * Sets the list of rows. |
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126 | * @param rows The rows to set |
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127 | */ |
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128 | public void setRows(List rows) { |
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129 | 0 | this.rows = rows; |
130 | 0 | } |
131 | ||
132 | /** |
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133 | * Returns the context. |
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134 | * @return JellyContext |
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135 | */ |
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136 | public JellyContext getContext() { |
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137 | 0 | return context; |
138 | } |
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139 | ||
140 | /** |
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141 | * Sets the context. |
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142 | * @param context The context to set |
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143 | */ |
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144 | public void setContext(JellyContext context) { |
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145 | 0 | this.context = context; |
146 | 0 | } |
147 | ||
148 | // Implementation methods |
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149 | //------------------------------------------------------------------------- |
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150 | protected static class MyTableColumnModel extends DefaultTableColumnModel { |
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151 | public List getColumnList() { |
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152 | return tableColumns; |
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153 | } |
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154 | }; |
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155 | ||
156 | ||
157 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |