gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.swing / org.gvsig.tools.swing.impl / src / main / java / org / gvsig / tools / swing / impl / FilteredTableModelImpl.java @ 1997
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1 | 1997 | jjdelcerro | package org.gvsig.tools.swing.impl; |
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2 | |||
3 | import org.gvsig.tools.swing.api.FilteredTableModel; |
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4 | import java.util.ArrayList; |
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5 | import java.util.Comparator; |
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6 | import java.util.List; |
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7 | import java.util.Objects; |
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8 | import javax.swing.SwingUtilities; |
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9 | import javax.swing.table.AbstractTableModel; |
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10 | import javax.swing.table.TableModel; |
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11 | import org.apache.commons.io.FilenameUtils; |
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12 | import org.apache.commons.lang3.ObjectUtils; |
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13 | import org.apache.commons.lang3.StringUtils; |
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14 | |||
15 | /**
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16 | *
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17 | * @author jjdelcerro
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18 | */
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19 | class FilteredTableModelImpl extends AbstractTableModel implements FilteredTableModel { |
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20 | |||
21 | private final TableModel baseModel ; |
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22 | private final int filterColumn; |
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23 | |||
24 | private String filter; |
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25 | private List<Integer> filteredElements; |
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26 | |||
27 | public FilteredTableModelImpl(TableModel tableModel, int filterColumn) { |
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28 | this.baseModel = tableModel;
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29 | this.filterColumn = filterColumn;
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30 | this.filteredElements = null; |
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31 | this.setFilter(null); |
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32 | } |
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33 | |||
34 | @Override
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35 | public String getColumnName(int column) { |
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36 | return this.baseModel.getColumnName(column); |
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37 | } |
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38 | |||
39 | @Override
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40 | public final void setFilter(String filter) { |
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41 | if (StringUtils.isBlank(filter)) {
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42 | this.filter = null; |
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43 | this.filteredElements = new ArrayList<>(this.baseModel.getRowCount()); |
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44 | for (int i = 0; i < this.baseModel.getRowCount(); i++) { |
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45 | filteredElements.add(i); |
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46 | |||
47 | } |
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48 | } else {
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49 | this.filter = filter;
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50 | this.filteredElements = new ArrayList<>(); |
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51 | for (int i = 0; i < this.baseModel.getRowCount(); i++) { |
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52 | Object value = this.baseModel.getValueAt(i, this.filterColumn); |
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53 | if (FilenameUtils.wildcardMatch(Objects.toString(value, "").toLowerCase(), this.filter.toLowerCase())) { |
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54 | this.filteredElements.add(i);
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55 | } |
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56 | } |
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57 | } |
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58 | fireContentsChanged(); |
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59 | } |
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60 | |||
61 | private void fireContentsChanged() { |
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62 | if( !SwingUtilities.isEventDispatchThread() ) { |
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63 | SwingUtilities.invokeLater(new Runnable() { |
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64 | @Override
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65 | public void run() { |
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66 | fireContentsChanged(); |
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67 | } |
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68 | }); |
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69 | return;
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70 | } |
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71 | this.fireTableDataChanged();
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72 | } |
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73 | |||
74 | @Override
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75 | public String getFilter() { |
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76 | return this.filter; |
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77 | } |
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78 | |||
79 | @Override
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80 | public void sort(final boolean ascending) { |
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81 | this.sortBackground(ascending);
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82 | } |
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83 | |||
84 | private void sortBackground(final boolean ascending) { |
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85 | Thread th = new Thread(new Runnable() { |
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86 | @Override
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87 | public void run() { |
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88 | sortForeground(ascending); |
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89 | } |
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90 | }, "FilteredTableModelSorter");
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91 | th.start(); |
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92 | } |
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93 | |||
94 | private void sortForeground(final boolean ascending) { |
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95 | filteredElements.sort(new Comparator<Integer>() { |
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96 | @Override
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97 | public int compare(Integer row1, Integer row2) { |
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98 | try {
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99 | Comparable o1 = (Comparable) baseModel.getValueAt(row1, filterColumn); |
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100 | Comparable o2 = (Comparable) baseModel.getValueAt(row2, filterColumn); |
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101 | int r = ObjectUtils.compare(o1, o2);
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102 | if (ascending) {
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103 | return r;
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104 | } |
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105 | return r * -1; |
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106 | } catch(Exception ex) { |
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107 | return 0; |
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108 | } |
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109 | } |
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110 | }); |
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111 | fireContentsChanged(); |
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112 | } |
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113 | |||
114 | @Override
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115 | public int getRowCount() { |
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116 | return this.filteredElements.size(); |
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117 | } |
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118 | |||
119 | @Override
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120 | public int getColumnCount() { |
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121 | return this.baseModel.getColumnCount(); |
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122 | } |
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123 | |||
124 | @Override
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125 | public Object getValueAt(int rowIndex, int columnIndex) { |
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126 | int row = this.filteredElements.get(rowIndex); |
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127 | return this.baseModel.getValueAt(row, columnIndex); |
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128 | } |
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129 | } |