svn-gvsig-desktop / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / TableNumericFieldOperations.java @ 28407
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1 | 2241 | fernando | package com.iver.cit.gvsig; |
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2 | |||
3 | 2266 | fernando | import java.math.BigDecimal; |
4 | 2241 | fernando | import java.sql.Types; |
5 | import java.util.BitSet; |
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6 | |||
7 | 10626 | caballero | import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
8 | 2241 | fernando | import com.iver.andami.PluginServices; |
9 | import com.iver.andami.messages.NotificationManager; |
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10 | import com.iver.andami.plugins.Extension; |
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11 | 6877 | cesar | import com.iver.andami.ui.mdiManager.IWindow; |
12 | 2241 | fernando | import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
13 | 26899 | vcaballero | import com.iver.cit.gvsig.fmap.selection.SelectionFieldIterator; |
14 | import com.iver.cit.gvsig.project.documents.table.Statistics.NonNumericFieldException; |
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15 | 7304 | caballero | import com.iver.cit.gvsig.project.documents.table.gui.Statistics; |
16 | import com.iver.cit.gvsig.project.documents.table.gui.Table; |
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17 | 2241 | fernando | |
18 | /**
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19 | * @author Fernando Gonz?lez Cort?s
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20 | */
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21 | 5005 | jorpiell | public class TableNumericFieldOperations extends Extension{ |
22 | 2241 | fernando | |
23 | 4682 | jorpiell | /**
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24 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#initialize()
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25 | 4682 | jorpiell | */
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26 | 5005 | jorpiell | public void initialize() { |
27 | 14821 | jmvivo | registerIcons(); |
28 | 4682 | jorpiell | } |
29 | 2241 | fernando | |
30 | 14821 | jmvivo | private void registerIcons(){ |
31 | 15647 | jmvivo | PluginServices.getIconTheme().registerDefault( |
32 | 14821 | jmvivo | "table-statistics",
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33 | this.getClass().getClassLoader().getResource("images/statistics.png") |
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34 | ); |
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35 | } |
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36 | |||
37 | 4682 | jorpiell | /**
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38 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)
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39 | 4682 | jorpiell | */
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40 | public void execute(String actionCommand) { |
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41 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
42 | 2241 | fernando | |
43 | if (v != null) { |
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44 | if (v.getClass() == Table.class) {
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45 | 4682 | jorpiell | Table table = (Table) v; |
46 | doExecute(table); |
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47 | } |
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48 | } |
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49 | } |
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50 | 26899 | vcaballero | |
51 | 4682 | jorpiell | /**
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52 | * "execute" method acction
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53 | * @param actionCommand
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54 | * The acction command that executes this method
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55 | * @param table
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56 | * Table to operate
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57 | */
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58 | 3940 | caballero | |
59 | 4682 | jorpiell | protected void doExecute(Table table){ |
60 | int fieldIndex = table.getSelectedFieldIndices().nextSetBit(0); |
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61 | try {
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62 | 26899 | vcaballero | SelectableDataSource ds = table.getModel().getModelo().getRecordset(); |
63 | BitSet selectedRows = (BitSet)ds.getSelection().clone(); |
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64 | // If selection is empty, calculate on the full datasource
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65 | 4682 | jorpiell | if (selectedRows.cardinality() == 0){ |
66 | 26899 | vcaballero | selectedRows.set(0, (int) ds.getRowCount()); |
67 | 4682 | jorpiell | } |
68 | 26899 | vcaballero | SelectionFieldIterator iterator = new SelectionFieldIterator(ds, selectedRows, fieldIndex);
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69 | com.iver.cit.gvsig.project.documents.table.Statistics statsCalculator = new com.iver.cit.gvsig.project.documents.table.Statistics(iterator);
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70 | BigDecimal sum = statsCalculator.sum();
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71 | BigDecimal min = statsCalculator.min();
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72 | BigDecimal max = statsCalculator.max();
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73 | BigDecimal mean = statsCalculator.mean();
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74 | BigDecimal variance = statsCalculator.variance();
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75 | BigDecimal stdDeviation = statsCalculator.stdDeviation();
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76 | |||
77 | 9000 | caballero | Statistics st = new Statistics();
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78 | 26899 | vcaballero | st.setStatistics(mean.doubleValue(), |
79 | max.doubleValue(), |
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80 | min.doubleValue(), |
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81 | variance.doubleValue(), |
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82 | stdDeviation.doubleValue(), |
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83 | (int) statsCalculator.count(),
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84 | new BigDecimal(max.doubleValue()).subtract(min).doubleValue(), |
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85 | sum.doubleValue()); |
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86 | 6880 | cesar | PluginServices.getMDIManager().addWindow(st); |
87 | 10626 | caballero | } catch (ReadDriverException e) {
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88 | 26899 | vcaballero | NotificationManager.showMessageError( |
89 | PluginServices.getText(this, "Statistics__Error_accessing_the_data"), e); |
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90 | } catch (NonNumericFieldException e) {
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91 | NotificationManager.showMessageError("Statistics__Selected_field_is_not_numeric", e);
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92 | 2241 | fernando | } |
93 | 4682 | jorpiell | } |
94 | 26899 | vcaballero | |
95 | 2241 | fernando | |
96 | 4682 | jorpiell | /**
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97 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#isEnabled()
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98 | 4682 | jorpiell | */
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99 | public boolean isEnabled() { |
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100 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
101 | 4682 | jorpiell | |
102 | 2241 | fernando | if (v == null) { |
103 | return false; |
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104 | } |
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105 | |||
106 | 6399 | fjp | if (v instanceof Table) { |
107 | 4682 | jorpiell | Table table = (Table) v; |
108 | return doIsEnabled(table);
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109 | } |
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110 | return false; |
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111 | } |
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112 | 3940 | caballero | |
113 | 4682 | jorpiell | protected boolean doIsEnabled(Table table){ |
114 | 10661 | caballero | BitSet indices = table.getSelectedFieldIndices();
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115 | // System.out.println("TableNumericFieldOperations.isEnabled: Tabla: " + table.getModel().getModelo().getRecordset().getName() );
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116 | if (indices.cardinality() == 1){ |
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117 | try {
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118 | int index=indices.nextSetBit(0); |
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119 | if (table.getModel().getModelo().getRecordset().getFieldCount()<index+1) |
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120 | 4682 | jorpiell | return false; |
121 | 10661 | caballero | int type = table.getModel().getModelo().getRecordset().getFieldType(index);
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122 | if ((type == Types.BIGINT) || |
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123 | (type == Types.DECIMAL) ||
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124 | (type == Types.DOUBLE) ||
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125 | (type == Types.FLOAT) ||
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126 | (type == Types.INTEGER) ||
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127 | (type == Types.SMALLINT) ||
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128 | (type == Types.TINYINT) ||
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129 | (type == Types.REAL) ||
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130 | (type == Types.NUMERIC)){
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131 | return true; |
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132 | 4682 | jorpiell | } |
133 | 10661 | caballero | } catch (ReadDriverException e) {
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134 | return false; |
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135 | 4682 | jorpiell | } |
136 | 2241 | fernando | } |
137 | return false; |
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138 | 4682 | jorpiell | } |
139 | 2241 | fernando | |
140 | 4682 | jorpiell | |
141 | /**
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142 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#isVisible()
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143 | 4682 | jorpiell | */
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144 | public boolean isVisible() { |
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145 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
146 | 2241 | fernando | |
147 | if (v == null) { |
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148 | return false; |
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149 | } |
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150 | |||
151 | 5900 | jorpiell | if (v instanceof Table) { |
152 | 4682 | jorpiell | return true; |
153 | 2241 | fernando | } |
154 | return false; |
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155 | 4682 | jorpiell | } |
156 | 2241 | fernando | |
157 | } |