svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.swing / org.gvsig.expressionevaluator.swing.impl / src / main / java / org / gvsig / expressionevaluator / swing / impl / FilteredListModel.java @ 44259
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| 1 | 43939 | jjdelcerro | /*
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| 2 | * To change this license header, choose License Headers in Project Properties.
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| 3 | * To change this template file, choose Tools | Templates
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| 4 | * and open the template in the editor.
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| 5 | */
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| 6 | package org.gvsig.expressionevaluator.swing.impl; |
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| 7 | |||
| 8 | import java.util.ArrayList; |
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| 9 | import java.util.Comparator; |
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| 10 | import java.util.List; |
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| 11 | 44259 | jjdelcerro | import java.util.Objects; |
| 12 | 43939 | jjdelcerro | import javax.swing.AbstractListModel; |
| 13 | import javax.swing.SwingUtilities; |
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| 14 | import org.apache.commons.io.FilenameUtils; |
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| 15 | 44259 | jjdelcerro | import org.apache.commons.lang3.ObjectUtils; |
| 16 | 43939 | jjdelcerro | import org.apache.commons.lang3.StringUtils; |
| 17 | 44259 | jjdelcerro | import org.gvsig.tools.util.LabeledValue; |
| 18 | import org.gvsig.tools.util.LabeledValueImpl; |
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| 19 | 43939 | jjdelcerro | |
| 20 | /**
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| 21 | *
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| 22 | * @author jjdelcerro
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| 23 | */
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| 24 | class FilteredListModel extends AbstractListModel { |
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| 25 | 43983 | jjdelcerro | |
| 26 | 44259 | jjdelcerro | private List<LabeledValue> elements; |
| 27 | private List<LabeledValue> filteredElements; |
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| 28 | 43939 | jjdelcerro | private String filter; |
| 29 | |||
| 30 | public FilteredListModel() {
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| 31 | this.elements = new ArrayList<>(); |
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| 32 | this.filteredElements = this.elements; |
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| 33 | this.filter = null; |
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| 34 | } |
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| 35 | |||
| 36 | @Override
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| 37 | public int getSize() { |
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| 38 | return this.filteredElements.size(); |
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| 39 | } |
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| 40 | |||
| 41 | @Override
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| 42 | 44259 | jjdelcerro | public LabeledValue getElementAt(int index) { |
| 43 | 43939 | jjdelcerro | return this.filteredElements.get(index); |
| 44 | } |
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| 45 | |||
| 46 | 44259 | jjdelcerro | void addElement(LabeledValue element) {
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| 47 | 43939 | jjdelcerro | this.elements.add(element);
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| 48 | if (this.elements != this.filteredElements) { |
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| 49 | this.filteredElements.add(element);
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| 50 | } |
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| 51 | } |
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| 52 | |||
| 53 | 44259 | jjdelcerro | void addElement(Object element) { |
| 54 | this.addElement(new LabeledValueImpl<>(Objects.toString(element, ""), element)); |
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| 55 | } |
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| 56 | |||
| 57 | 43939 | jjdelcerro | public void setFilter(String filter) { |
| 58 | if (StringUtils.isEmpty(filter)) {
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| 59 | this.filter = null; |
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| 60 | this.filteredElements = this.elements; |
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| 61 | } else {
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| 62 | 43983 | jjdelcerro | this.filter = filter;
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| 63 | 43939 | jjdelcerro | this.filteredElements = new ArrayList<>(); |
| 64 | 44259 | jjdelcerro | for (LabeledValue element : elements) {
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| 65 | 43983 | jjdelcerro | if (FilenameUtils.wildcardMatch(element.getValue().toString().toLowerCase(), this.filter.toLowerCase())) { |
| 66 | 43939 | jjdelcerro | this.filteredElements.add(element);
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| 67 | } |
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| 68 | } |
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| 69 | } |
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| 70 | 43983 | jjdelcerro | fireContentsChanged(); |
| 71 | } |
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| 72 | |||
| 73 | private void fireContentsChanged() { |
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| 74 | if( !SwingUtilities.isEventDispatchThread() ) { |
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| 75 | SwingUtilities.invokeLater(new Runnable() { |
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| 76 | @Override
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| 77 | public void run() { |
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| 78 | fireContentsChanged(); |
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| 79 | } |
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| 80 | }); |
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| 81 | return;
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| 82 | } |
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| 83 | 43939 | jjdelcerro | this.fireContentsChanged(this, 0, this.filteredElements.size()); |
| 84 | 43983 | jjdelcerro | } |
| 85 | |||
| 86 | public String getFilter() { |
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| 87 | return this.filter; |
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| 88 | 43939 | jjdelcerro | } |
| 89 | 43983 | jjdelcerro | |
| 90 | public void sort(final boolean ascending) { |
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| 91 | // this.sortForeground(ascending);
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| 92 | this.sortBackground(ascending);
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| 93 | } |
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| 94 | 43939 | jjdelcerro | |
| 95 | 43983 | jjdelcerro | private void sortBackground(final boolean ascending) { |
| 96 | 43939 | jjdelcerro | Thread th = new Thread(new Runnable() { |
| 97 | @Override
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| 98 | public void run() { |
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| 99 | 43983 | jjdelcerro | sortForeground(ascending); |
| 100 | 43939 | jjdelcerro | } |
| 101 | }, "FilteredListModelSorter");
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| 102 | th.start(); |
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| 103 | } |
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| 104 | |||
| 105 | 43983 | jjdelcerro | private void sortForeground(final boolean ascending) { |
| 106 | 44259 | jjdelcerro | final List items = new ArrayList<>(elements); |
| 107 | items.sort(new Comparator<Comparable>() { |
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| 108 | 43983 | jjdelcerro | @Override
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| 109 | 44259 | jjdelcerro | public int compare(Comparable o1, Comparable o2) { |
| 110 | int r = ObjectUtils.compare(o1, o2);
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| 111 | 43983 | jjdelcerro | if (ascending) {
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| 112 | return r;
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| 113 | } |
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| 114 | return r * -1; |
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| 115 | } |
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| 116 | }); |
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| 117 | elements = items; |
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| 118 | filteredElements = elements; |
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| 119 | if (filter != null) { |
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| 120 | setFilter(filter); |
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| 121 | } else {
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| 122 | fireContentsChanged(); |
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| 123 | } |
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| 124 | 43939 | jjdelcerro | } |
| 125 | 43983 | jjdelcerro | |
| 126 | 43939 | jjdelcerro | } |