1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
package org.apache.tapestry.contrib.table.components; |
16 | |
|
17 | |
import java.util.ArrayList; |
18 | |
import java.util.List; |
19 | |
import java.util.StringTokenizer; |
20 | |
|
21 | |
import org.apache.hivemind.ApplicationRuntimeException; |
22 | |
import org.apache.tapestry.IComponent; |
23 | |
import org.apache.tapestry.contrib.table.model.IAdvancedTableColumn; |
24 | |
import org.apache.tapestry.contrib.table.model.IAdvancedTableColumnSource; |
25 | |
import org.apache.tapestry.contrib.table.model.ITableColumn; |
26 | |
import org.apache.tapestry.contrib.table.model.ITableColumnModel; |
27 | |
import org.apache.tapestry.contrib.table.model.simple.SimpleTableColumn; |
28 | |
import org.apache.tapestry.contrib.table.model.simple.SimpleTableColumnModel; |
29 | |
import org.apache.tapestry.services.ExpressionEvaluator; |
30 | |
|
31 | |
|
32 | |
|
33 | |
|
34 | |
|
35 | |
|
36 | |
|
37 | 0 | public class TableColumnModelSourceImpl implements TableColumnModelSource |
38 | |
{ |
39 | |
|
40 | |
|
41 | |
private ExpressionEvaluator _expressionEvaluator; |
42 | |
|
43 | |
|
44 | |
|
45 | |
public void setExpressionEvaluator(ExpressionEvaluator expressionEvaluator) |
46 | |
{ |
47 | 0 | _expressionEvaluator = expressionEvaluator; |
48 | 0 | } |
49 | |
|
50 | |
|
51 | |
|
52 | |
|
53 | |
|
54 | |
|
55 | |
|
56 | |
|
57 | |
|
58 | |
|
59 | |
|
60 | |
|
61 | |
|
62 | |
|
63 | |
|
64 | |
|
65 | |
|
66 | |
public ITableColumnModel generateTableColumnModel( |
67 | |
IAdvancedTableColumnSource objColumnSource, String strDesc, |
68 | |
IComponent objComponent, IComponent objColumnSettingsContainer) |
69 | |
{ |
70 | 0 | if (strDesc == null) return null; |
71 | |
|
72 | 0 | List arrColumns = new ArrayList(); |
73 | |
|
74 | 0 | String desc = strDesc.trim(); |
75 | 0 | boolean bFormColumns = false; |
76 | 0 | while(desc.startsWith("*")) |
77 | |
{ |
78 | 0 | desc = desc.substring(1); |
79 | 0 | bFormColumns = true; |
80 | |
} |
81 | |
|
82 | 0 | StringTokenizer objTokenizer = new StringTokenizer(desc, ","); |
83 | 0 | while(objTokenizer.hasMoreTokens()) |
84 | |
{ |
85 | 0 | String strToken = objTokenizer.nextToken().trim(); |
86 | |
|
87 | 0 | if (strToken.startsWith("=")) |
88 | |
{ |
89 | 0 | String strColumnExpression = strToken.substring(1); |
90 | |
|
91 | 0 | Object objColumn = _expressionEvaluator.read( |
92 | |
objColumnSettingsContainer, strColumnExpression); |
93 | |
|
94 | 0 | if (!(objColumn instanceof ITableColumn)) |
95 | 0 | throw new ApplicationRuntimeException(TableMessages |
96 | |
.notAColumn(objComponent, strColumnExpression)); |
97 | |
|
98 | 0 | arrColumns.add(objColumn); |
99 | 0 | continue; |
100 | |
} |
101 | |
|
102 | 0 | boolean bSortable = true; |
103 | 0 | if (strToken.startsWith("!")) |
104 | |
{ |
105 | 0 | strToken = strToken.substring(1); |
106 | 0 | bSortable = false; |
107 | |
} |
108 | |
|
109 | 0 | StringTokenizer objColumnTokenizer = new StringTokenizer(strToken, |
110 | |
":"); |
111 | |
|
112 | 0 | String strName = ""; |
113 | 0 | if (objColumnTokenizer.hasMoreTokens()) |
114 | 0 | strName = objColumnTokenizer.nextToken(); |
115 | |
|
116 | 0 | String strExpression = strName; |
117 | 0 | if (objColumnTokenizer.hasMoreTokens()) |
118 | 0 | strExpression = objColumnTokenizer.nextToken(); |
119 | |
|
120 | 0 | String strDisplayName = strName; |
121 | 0 | if (objColumnTokenizer.hasMoreTokens()) |
122 | |
{ |
123 | 0 | strDisplayName = strExpression; |
124 | 0 | strExpression = objColumnTokenizer.nextToken(); |
125 | |
} |
126 | |
|
127 | 0 | IAdvancedTableColumn objColumn = objColumnSource |
128 | |
.generateTableColumn(strName, strDisplayName, bSortable, |
129 | |
strExpression); |
130 | 0 | if (bFormColumns) |
131 | 0 | objColumn |
132 | |
.setColumnRendererSource(SimpleTableColumn.FORM_COLUMN_RENDERER_SOURCE); |
133 | 0 | if (objColumnSettingsContainer != null) |
134 | 0 | objColumn.loadSettings(objColumnSettingsContainer); |
135 | |
|
136 | 0 | arrColumns.add(objColumn); |
137 | 0 | } |
138 | |
|
139 | 0 | return new SimpleTableColumnModel(arrColumns); |
140 | |
} |
141 | |
|
142 | |
} |