Revision 2260 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/FilteredListModelImpl.java
| FilteredListModelImpl.java | ||
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package org.gvsig.tools.swing.impl; |
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import java.util.AbstractList; |
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import org.gvsig.tools.swing.api.FilteredListModel; |
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import java.util.ArrayList; |
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import java.util.Comparator; |
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import java.util.List; |
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import java.util.Objects; |
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import javax.swing.AbstractListModel; |
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import javax.swing.DefaultListModel; |
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import javax.swing.ListModel; |
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import javax.swing.SwingUtilities; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.lang3.ObjectUtils; |
| ... | ... | |
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*/ |
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class FilteredListModelImpl extends AbstractListModel implements FilteredListModel {
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private List<LabeledValue> elements; |
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private List<LabeledValue> filteredElements; |
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private static class ListModelToListAdapter extends AbstractList {
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private final ListModel model; |
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public ListModelToListAdapter(ListModel model) {
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this.model = model; |
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} |
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@Override |
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public Object get(int index) {
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return this.model.getElementAt(index); |
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} |
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@Override |
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public int size() {
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return this.model.getSize(); |
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} |
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@Override |
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public Object set(int index, Object element) {
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if( !(model instanceof DefaultListModel) ) {
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throw new IllegalStateException("The model is unmodifiable.");
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} |
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return ((DefaultListModel)this.model).set(index, element); |
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} |
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} |
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private ListModel elements; |
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private DefaultListModel<LabeledValue> filteredElements; |
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private String filter; |
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private boolean sorting; |
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private AbstractCancellableTask th; |
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public FilteredListModelImpl() {
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this.elements = new ArrayList<>(); |
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this.filteredElements = this.elements; |
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public FilteredListModelImpl(ListModel model) {
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if( model == null ) {
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this.elements = new DefaultListModel(); |
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} else {
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this.elements = model; |
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} |
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this.filteredElements = new DefaultListModel(); |
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this.filter = null; |
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this.sorting = false; |
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this.th = null; |
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} |
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@Override |
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public ListModel getModel() {
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return this.elements; |
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} |
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@Override |
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public int getSize() {
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return this.filteredElements.size();
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return this.filteredElements.getSize();
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} |
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@Override |
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public void clear() {
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this.elements = new ArrayList<>();
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this.filteredElements = this.elements;
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this.elements = new DefaultListModel();
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this.filteredElements = new DefaultListModel();
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this.filter = null; |
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fireContentsChanged(); |
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} |
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@Override |
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public LabeledValue getElementAt(int index) {
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return this.filteredElements.get(index); |
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return this.filteredElements.getElementAt(index);
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} |
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@Override |
| ... | ... | |
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if( element==null ) {
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return; |
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} |
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this.elements.add(element); |
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if (this.elements != this.filteredElements) {
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this.filteredElements.add(element); |
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if( !(elements instanceof DefaultListModel) ) {
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throw new IllegalStateException("The model is unmodifiable.");
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} |
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((DefaultListModel)this.elements).addElement(element); |
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if (filter==null || FilenameUtils.wildcardMatch(element.toString().toLowerCase(), filter)) {
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this.filteredElements.addElement(element); |
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} |
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fireContentsChanged(); |
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} |
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@Override |
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public void addElement(Object element) {
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this.addElement(new LabeledValueImpl<>(Objects.toString(element, ""), element)); |
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if( !(element instanceof LabeledValue) ) {
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element = new LabeledValueImpl<>(Objects.toString(element, ""), element); |
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} |
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this.addElement((LabeledValue)element); |
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} |
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|
| ... | ... | |
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public void setFilter(String filter) {
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if (StringUtils.isBlank(filter)) {
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this.filter = null; |
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this.filteredElements = this.elements; |
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} else {
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if( StringUtils.containsAny(filter, "*?") ) {
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this.filter = filter; |
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} else {
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this.filter = "*" + filter + "*"; |
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} |
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this.filteredElements = new ArrayList<>(); |
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for (LabeledValue element : elements) {
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if (FilenameUtils.wildcardMatch(element.getLabel().toLowerCase(), this.filter.toLowerCase())) {
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this.filteredElements.add(element); |
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} |
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this.copy(elements, filteredElements, this.filter); |
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fireContentsChanged(); |
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} |
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private void copy(ListModel source, DefaultListModel target, String filter) {
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target.clear(); |
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if( filter!=null ) {
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filter = filter.toLowerCase(); |
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} |
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for (int i = 0; i < source.getSize(); i++) {
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Object item = source.getElementAt(i); |
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if( item == null ) {
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continue; |
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} |
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if( filter==null ) {
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target.addElement(item); |
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} else {
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if (FilenameUtils.wildcardMatch(item.toString().toLowerCase(), filter)) {
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target.addElement(item); |
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} |
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} |
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} |
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fireContentsChanged(); |
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} |
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private void fireContentsChanged() {
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if( !SwingUtilities.isEventDispatchThread() ) {
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SwingUtilities.invokeLater(() -> {
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| ... | ... | |
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this.th = new AbstractCancellableTask("FilteredListModelSorter") {
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@Override |
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public void run() {
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final List items = new ArrayList<>(elements); |
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items.sort(new Comparator<LabeledValue>() {
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@Override |
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public int compare(LabeledValue o1, LabeledValue o2) {
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int r = ObjectUtils.compare(o1.getLabel(), o2.getLabel()); |
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if (ascending) {
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return r; |
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} |
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return r * -1; |
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final List items = new ListModelToListAdapter(elements); |
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items.sort((Object o1, Object o2) -> {
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int r = ObjectUtils.compare(o1.toString(), o2.toString()); |
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if (ascending) {
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return r; |
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} |
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return -r; |
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}); |
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if (this.isCancellationRequested()) {
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return; |
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} |
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elements = items; |
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filteredElements = elements; |
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if (filter != null) {
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setFilter(filter); |
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} else {
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fireContentsChanged(); |
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} |
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copy(elements, filteredElements, filter); |
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fireContentsChanged(); |
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} |
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}; |
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th.start(); |
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