root / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / TableNumericFieldOperations.java @ 7771
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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 | 3940 | caballero | import com.hardcode.driverManager.DriverLoadException; |
8 | 2241 | fernando | import com.hardcode.gdbms.engine.data.driver.DriverException; |
9 | import com.hardcode.gdbms.engine.values.NumericValue; |
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10 | import com.iver.andami.PluginServices; |
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11 | import com.iver.andami.messages.NotificationManager; |
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12 | import com.iver.andami.plugins.Extension; |
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13 | 6877 | cesar | import com.iver.andami.ui.mdiManager.IWindow; |
14 | 2241 | fernando | import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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 | 4682 | jorpiell | } |
28 | 2241 | fernando | |
29 | 4682 | jorpiell | /**
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30 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)
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31 | 4682 | jorpiell | */
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32 | public void execute(String actionCommand) { |
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33 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
34 | 2241 | fernando | |
35 | if (v != null) { |
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36 | if (v.getClass() == Table.class) {
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37 | 3940 | caballero | |
38 | 4682 | jorpiell | Table table = (Table) v; |
39 | 3940 | caballero | |
40 | 4682 | jorpiell | doExecute(table); |
41 | } |
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42 | } |
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43 | } |
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44 | /**
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45 | * "execute" method acction
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46 | * @param actionCommand
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47 | * The acction command that executes this method
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48 | * @param table
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49 | * Table to operate
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50 | */
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51 | 3940 | caballero | |
52 | 4682 | jorpiell | protected void doExecute(Table table){ |
53 | int fieldIndex = table.getSelectedFieldIndices().nextSetBit(0); |
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54 | 2241 | fernando | |
55 | 4682 | jorpiell | SelectableDataSource ds=null;
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56 | try {
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57 | ds = (SelectableDataSource)table.getModel().getModelo().getRecordset(); |
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58 | } catch (DriverLoadException e1) {
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59 | // TODO Auto-generated catch block
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60 | e1.printStackTrace(); |
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61 | } |
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62 | 6170 | caballero | BitSet selectedRows = (BitSet)ds.getSelection().clone(); |
63 | 4682 | jorpiell | try {
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64 | int rc = (int) ds.getRowCount(); |
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65 | //Si no hay selecci?n se usan todos los registros
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66 | if (selectedRows.cardinality() == 0){ |
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67 | selectedRows.set(0, rc);
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68 | }else{
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69 | rc = selectedRows.cardinality(); |
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70 | } |
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71 | BigDecimal suma = new BigDecimal(0); |
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72 | BigDecimal min = new BigDecimal(Double.MAX_VALUE); |
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73 | BigDecimal max = new BigDecimal(Double.MIN_VALUE); |
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74 | for(int i=selectedRows.nextSetBit(0); i>=0; i=selectedRows.nextSetBit(i+1)) { |
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75 | double d = ((NumericValue) ds.getFieldValue(i, fieldIndex)).doubleValue();
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76 | suma = suma.add(new BigDecimal(d)); |
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77 | if (d < min.doubleValue()) min = new BigDecimal(d); |
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78 | if (d > max.doubleValue()) max = new BigDecimal(d); |
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79 | } |
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80 | BigDecimal media = suma.divide(new BigDecimal(rc), BigDecimal.ROUND_HALF_DOWN); |
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81 | BigDecimal varianza = new BigDecimal(0); |
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82 | for(int i=selectedRows.nextSetBit(0); i>=0; i=selectedRows.nextSetBit(i+1)) { |
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83 | double d = ((NumericValue) ds.getFieldValue(i, fieldIndex)).doubleValue();
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84 | BigDecimal dif = new BigDecimal(d).subtract(media); |
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85 | varianza = dif.multiply(dif).add(varianza); |
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86 | } |
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87 | varianza = varianza.divide(new BigDecimal(rc), BigDecimal.ROUND_HALF_DOWN); |
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88 | double desviacion = Math.sqrt(varianza.doubleValue()); |
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89 | 3940 | caballero | |
90 | 4682 | jorpiell | Statistics st = new Statistics();
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91 | st.setStatistics(media.doubleValue(), max.doubleValue(), min.doubleValue(), varianza.doubleValue(), desviacion, rc, new BigDecimal(max.doubleValue()).subtract(min).doubleValue(), suma.doubleValue()); |
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92 | 6880 | cesar | PluginServices.getMDIManager().addWindow(st); |
93 | 4682 | jorpiell | |
94 | } catch (DriverException e) {
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95 | NotificationManager.addError("No se pudo acceder a los datos", e);
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96 | 2241 | fernando | } |
97 | 4682 | jorpiell | } |
98 | 2241 | fernando | |
99 | 4682 | jorpiell | /**
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100 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#isEnabled()
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101 | 4682 | jorpiell | */
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102 | public boolean isEnabled() { |
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103 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
104 | 4682 | jorpiell | |
105 | 2241 | fernando | if (v == null) { |
106 | return false; |
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107 | } |
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108 | |||
109 | 6399 | fjp | if (v instanceof Table) { |
110 | 4682 | jorpiell | Table table = (Table) v; |
111 | return doIsEnabled(table);
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112 | } |
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113 | return false; |
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114 | } |
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115 | 3940 | caballero | |
116 | 4682 | jorpiell | protected boolean doIsEnabled(Table table){ |
117 | try{
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118 | BitSet indices = table.getSelectedFieldIndices();
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119 | 3940 | caballero | |
120 | 6399 | fjp | // System.out.println("TableNumericFieldOperations.isEnabled: Tabla: " + table.getModel().getModelo().getRecordset().getName() );
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121 | 4682 | jorpiell | |
122 | if (indices.cardinality() == 1){ |
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123 | try {
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124 | int type = table.getModel().getModelo().getRecordset().getFieldType(indices.nextSetBit(0)); |
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125 | if ((type == Types.BIGINT) || |
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126 | (type == Types.DECIMAL) ||
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127 | (type == Types.DOUBLE) ||
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128 | (type == Types.FLOAT) ||
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129 | (type == Types.INTEGER) ||
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130 | (type == Types.SMALLINT) ||
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131 | (type == Types.TINYINT) ||
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132 | (type == Types.REAL) ||
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133 | (type == Types.NUMERIC)){
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134 | return true; |
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135 | } |
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136 | } catch (DriverException e) {
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137 | return false; |
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138 | } |
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139 | } |
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140 | } catch (DriverLoadException e1) {
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141 | // TODO Auto-generated catch block
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142 | e1.printStackTrace(); |
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143 | 2241 | fernando | } |
144 | return false; |
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145 | 4682 | jorpiell | } |
146 | 2241 | fernando | |
147 | 4682 | jorpiell | |
148 | /**
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149 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#isVisible()
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150 | 4682 | jorpiell | */
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151 | public boolean isVisible() { |
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152 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
153 | 2241 | fernando | |
154 | if (v == null) { |
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155 | return false; |
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156 | } |
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157 | |||
158 | 5900 | jorpiell | if (v instanceof Table) { |
159 | 4682 | jorpiell | return true; |
160 | 2241 | fernando | } |
161 | return false; |
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162 | 4682 | jorpiell | } |
163 | 2241 | fernando | |
164 | } |