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 @ 44397
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| 1 | 43939 | jjdelcerro | package org.gvsig.expressionevaluator.swing.impl; |
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| 2 | |||
| 3 | import java.util.ArrayList; |
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| 4 | import java.util.Comparator; |
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| 5 | import java.util.List; |
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| 6 | 44259 | jjdelcerro | import java.util.Objects; |
| 7 | 43939 | jjdelcerro | import javax.swing.AbstractListModel; |
| 8 | import javax.swing.SwingUtilities; |
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| 9 | import org.apache.commons.io.FilenameUtils; |
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| 10 | 44259 | jjdelcerro | import org.apache.commons.lang3.ObjectUtils; |
| 11 | 43939 | jjdelcerro | import org.apache.commons.lang3.StringUtils; |
| 12 | 44259 | jjdelcerro | import org.gvsig.tools.util.LabeledValue; |
| 13 | import org.gvsig.tools.util.LabeledValueImpl; |
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| 14 | 43939 | jjdelcerro | |
| 15 | /**
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| 16 | *
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| 17 | * @author jjdelcerro
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| 18 | */
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| 19 | class FilteredListModel extends AbstractListModel { |
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| 20 | 43983 | jjdelcerro | |
| 21 | 44259 | jjdelcerro | private List<LabeledValue> elements; |
| 22 | private List<LabeledValue> filteredElements; |
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| 23 | 43939 | jjdelcerro | private String filter; |
| 24 | |||
| 25 | public FilteredListModel() {
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| 26 | this.elements = new ArrayList<>(); |
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| 27 | this.filteredElements = this.elements; |
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| 28 | this.filter = null; |
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| 29 | } |
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| 30 | |||
| 31 | @Override
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| 32 | public int getSize() { |
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| 33 | return this.filteredElements.size(); |
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| 34 | } |
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| 35 | |||
| 36 | @Override
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| 37 | 44259 | jjdelcerro | public LabeledValue getElementAt(int index) { |
| 38 | 43939 | jjdelcerro | return this.filteredElements.get(index); |
| 39 | } |
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| 40 | |||
| 41 | 44259 | jjdelcerro | void addElement(LabeledValue element) {
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| 42 | 43939 | jjdelcerro | this.elements.add(element);
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| 43 | if (this.elements != this.filteredElements) { |
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| 44 | this.filteredElements.add(element);
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| 45 | } |
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| 46 | } |
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| 47 | |||
| 48 | 44259 | jjdelcerro | void addElement(Object element) { |
| 49 | this.addElement(new LabeledValueImpl<>(Objects.toString(element, ""), element)); |
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| 50 | } |
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| 51 | |||
| 52 | 43939 | jjdelcerro | public void setFilter(String filter) { |
| 53 | 44397 | jjdelcerro | if (StringUtils.isBlank(filter)) {
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| 54 | 43939 | jjdelcerro | this.filter = null; |
| 55 | this.filteredElements = this.elements; |
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| 56 | } else {
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| 57 | 43983 | jjdelcerro | this.filter = filter;
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| 58 | 43939 | jjdelcerro | this.filteredElements = new ArrayList<>(); |
| 59 | 44259 | jjdelcerro | for (LabeledValue element : elements) {
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| 60 | 43983 | jjdelcerro | if (FilenameUtils.wildcardMatch(element.getValue().toString().toLowerCase(), this.filter.toLowerCase())) { |
| 61 | 43939 | jjdelcerro | this.filteredElements.add(element);
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| 62 | } |
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| 63 | } |
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| 64 | } |
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| 65 | 43983 | jjdelcerro | fireContentsChanged(); |
| 66 | } |
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| 67 | |||
| 68 | private void fireContentsChanged() { |
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| 69 | if( !SwingUtilities.isEventDispatchThread() ) { |
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| 70 | SwingUtilities.invokeLater(new Runnable() { |
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| 71 | @Override
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| 72 | public void run() { |
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| 73 | fireContentsChanged(); |
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| 74 | } |
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| 75 | }); |
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| 76 | return;
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| 77 | } |
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| 78 | 43939 | jjdelcerro | this.fireContentsChanged(this, 0, this.filteredElements.size()); |
| 79 | 43983 | jjdelcerro | } |
| 80 | |||
| 81 | public String getFilter() { |
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| 82 | return this.filter; |
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| 83 | 43939 | jjdelcerro | } |
| 84 | 43983 | jjdelcerro | |
| 85 | public void sort(final boolean ascending) { |
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| 86 | this.sortBackground(ascending);
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| 87 | } |
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| 88 | 43939 | jjdelcerro | |
| 89 | 43983 | jjdelcerro | private void sortBackground(final boolean ascending) { |
| 90 | 43939 | jjdelcerro | Thread th = new Thread(new Runnable() { |
| 91 | @Override
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| 92 | public void run() { |
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| 93 | 43983 | jjdelcerro | sortForeground(ascending); |
| 94 | 43939 | jjdelcerro | } |
| 95 | }, "FilteredListModelSorter");
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| 96 | th.start(); |
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| 97 | } |
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| 98 | |||
| 99 | 43983 | jjdelcerro | private void sortForeground(final boolean ascending) { |
| 100 | 44259 | jjdelcerro | final List items = new ArrayList<>(elements); |
| 101 | items.sort(new Comparator<Comparable>() { |
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| 102 | 43983 | jjdelcerro | @Override
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| 103 | 44259 | jjdelcerro | public int compare(Comparable o1, Comparable o2) { |
| 104 | int r = ObjectUtils.compare(o1, o2);
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| 105 | 43983 | jjdelcerro | if (ascending) {
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| 106 | return r;
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| 107 | } |
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| 108 | return r * -1; |
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| 109 | } |
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| 110 | }); |
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| 111 | elements = items; |
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| 112 | filteredElements = elements; |
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| 113 | if (filter != null) { |
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| 114 | setFilter(filter); |
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| 115 | } else {
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| 116 | fireContentsChanged(); |
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| 117 | } |
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| 118 | 43939 | jjdelcerro | } |
| 119 | 43983 | jjdelcerro | |
| 120 | 43939 | jjdelcerro | } |