svn-gvsig-desktop / tags / v1_0_2_RELEASE / libraries / libFMap / src / com / iver / cit / gvsig / fmap / operations / selection / LinkSelectionListener.java @ 11432
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1 | 2183 | fernando | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package com.iver.cit.gvsig.fmap.operations.selection; |
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42 | |||
43 | import com.hardcode.gdbms.engine.data.driver.DriverException; |
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44 | import com.hardcode.gdbms.engine.values.Value; |
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45 | |||
46 | import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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47 | import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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48 | import com.iver.cit.gvsig.fmap.layers.SelectionEvent; |
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49 | import com.iver.cit.gvsig.fmap.layers.SelectionListener; |
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50 | |||
51 | import java.util.HashMap; |
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52 | |||
53 | |||
54 | /**
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55 | * Listener que est? pendiente de la selecci?n que se haga sobre la tabla para
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56 | * poder seleccionar de la tabla linkada los registros oportunos.
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57 | *
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58 | * @author Vicente Caballero Navarro
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59 | */
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60 | public class LinkSelectionListener implements SelectionListener { |
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61 | private SelectableDataSource modelo1;
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62 | private SelectableDataSource modelo2;
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63 | private int index1; |
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64 | private int index2; |
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65 | |||
66 | /**
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67 | * Crea un nuevo LinkSelectionListener. Donde se pasan como par?metros dos
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68 | * SelectableDataSource, el primero de ellos(model1), representa la tabla
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69 | * sobre la que al seleccionar alg?n registro buscaremos en el modelo2
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70 | * para ver el valor del campo s1 y compararlo con el valor del campo s2 y
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71 | * de esta forma seleccionar instantanemente los registros oportunos en la
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72 | * tabla al que se representa con el modelo2.
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73 | *
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74 | * @param model1 SelectableDataSource de la tabla sobre la que se efectua
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75 | * el link.
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76 | * @param model2 SelectableDataSource de la tabla linkada.
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77 | * @param s1 nombre del campo de la tabla donde se efectua el link.
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78 | * @param s2 nombre del campo de la tabla linkada.
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79 | */
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80 | public LinkSelectionListener(SelectableDataSource model1,
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81 | SelectableDataSource model2, String s1, String s2) { |
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82 | modelo1 = model1; |
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83 | modelo2 = model2; |
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84 | |||
85 | try {
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86 | index1 = modelo1.getFieldIndexByName(s1); |
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87 | index2 = modelo2.getFieldIndexByName(s2); |
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88 | } catch (DriverException e) {
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89 | e.printStackTrace(); |
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90 | } |
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91 | |||
92 | //field1 = s1;
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93 | //field2 = s2;
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94 | } |
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95 | |||
96 | /**
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97 | * @see com.iver.cit.gvsig.fmap.layers.LegendListener#selectionChanged(com.iver.cit.gvsig.fmap.layers.LayerEvent)
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98 | */
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99 | public void selectionChanged(SelectionEvent e) { |
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100 | FBitSet bs1 = modelo1.getSelection(); |
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101 | FBitSet bs2 = new FBitSet(); //(FBitSet)modelo2.getSelection().clone(); |
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102 | HashMap idx = new HashMap((int) bs1.cardinality()); |
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103 | //int index1 = -1;
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104 | //int index2 = -1;
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105 | |||
106 | try {
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107 | // Construimos el ?ndice
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108 | for (int i = bs1.nextSetBit(0); i >= 0; |
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109 | i = bs1.nextSetBit(i + 1)) {
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110 | Value v = modelo1.getFieldValue((long) i, index1);
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111 | |||
112 | if (idx.get(v) == null) { |
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113 | idx.put(v, new Integer(i)); |
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114 | } |
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115 | } |
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116 | } catch (DriverException e2) {
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117 | e2.printStackTrace(); |
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118 | } |
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119 | |||
120 | try {
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121 | for (int i = 0; i < modelo2.getRowCount(); i++) { |
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122 | Value v = modelo2.getFieldValue(i, index2); |
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123 | Integer pi = (Integer) idx.get(v); |
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124 | |||
125 | if (pi != null) { |
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126 | bs2.set(i); |
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127 | } |
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128 | } |
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129 | } catch (DriverException e1) {
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130 | e1.printStackTrace(); |
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131 | } |
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132 | |||
133 | 8765 | jjdelcerro | // this applies the selection to the linked table
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134 | if (modelo1!=modelo2)
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135 | modelo2.setSelection(bs2); |
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136 | //modelo2.fireSelectionEvents();
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137 | 2183 | fernando | } |
138 | } |