Revision 27382 branches/v2_0_0_prep/libraries/libFMap_controls/src/org/gvsig/fmap/data/feature/swing/FeatureSelectionModel.java
| FeatureSelectionModel.java | ||
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureStoreNotification; |
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import org.gvsig.fmap.data.feature.swing.table.FeatureTableModel; |
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import org.gvsig.tools.observer.Observable; |
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import org.gvsig.tools.observer.Observer; |
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/** |
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* ListSelectionModel implementation based on the FeatureSelection of a |
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* |
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* @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a> |
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*/ |
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public class FeatureSelectionModel extends DefaultListSelectionModel {
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public class FeatureSelectionModel extends DefaultListSelectionModel implements |
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Observer {
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private static final long serialVersionUID = 7643472991526133823L; |
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private final FeatureSelection selection; |
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private final FeatureTableModel featureTableModel; |
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/** |
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public FeatureSelectionModel(FeatureTableModel featureTableModel) |
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throws DataException {
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this.featureTableModel = featureTableModel; |
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FeatureStore store = getFeatureStore(); |
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this.selection = store.getFeatureSelection(); |
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this.featureTableModel.getFeatureStore().addObserver(this); |
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} |
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@Override |
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return false; |
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} |
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Feature feature = featureTableModel.getFeatureAt(index); |
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return selection.isSelected(feature);
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return getSelection().isSelected(feature);
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// } |
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} |
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|
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public void setSelectionInterval(int index0, int index1) {
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// if (!getValueIsAdjusting()) {
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try {
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selection.deselectAll();
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getSelection().deselectAll();
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} catch (DataException ex) {
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throw new SelectionChangeException(ex); |
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} |
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private void selectFeatureInterval(int index0, int index1, boolean select) {
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// If only single selection is allowed, the valid value is index1 |
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if (getSelectionMode() == SINGLE_SELECTION) {
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selectFeatureAt(index1, select); |
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selectFeatureAt(index1, select, getSelection());
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} else {
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// index0 < index1 is not guaranteed |
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int first = index0 <= index1 ? index0 : index1; |
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if (first == 0 && last == featureTableModel.getRowCount() - 1) {
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try {
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if (select) {
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selection.selectAll();
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getSelection().selectAll();
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} else {
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selection.deselectAll();
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getSelection().deselectAll();
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} |
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} catch (DataException ex) {
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throw new SelectionChangeException(ex); |
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} |
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} else {
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for (int i = first; i <= last; i++) {
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selectFeatureAt(i, select); |
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FeatureSelection selection; |
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try {
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selection = this.getFeatureStore().createFeatureSelection(); |
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} catch (DataException e) {
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throw new SelectionChangeException(e); |
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} |
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for (int i = first; i <= last; i++) {
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selectFeatureAt(i, select, selection); |
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} |
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try {
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this.getFeatureStore().setSelection(selection); |
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} catch (DataException e) {
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throw new SelectionChangeException(e); |
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} |
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} |
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} |
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} |
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/** |
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* Selects a feature at a row position. |
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* |
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* @param index |
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* the Feature row index |
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* @param select |
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* if to select or deselect |
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*/ |
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private void selectFeatureAt(int index, boolean select) {
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/** |
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* Selects a feature at a row position. |
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* |
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* @param index |
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* the Feature row index |
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* @param select |
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* if to select or deselect |
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* @param selection |
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* selection instance to use |
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*/ |
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private void selectFeatureAt(int index, boolean select, |
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FeatureSelection selection) {
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Feature feature = getFeature(index); |
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if (select) {
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selection.select(feature); |
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} else {
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selection.deselect(feature);
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selection.deselect(feature);
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} |
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} |
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|
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private FeatureStore getFeatureStore() {
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return featureTableModel.getFeatureStore(); |
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} |
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/** |
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* Returns the FeatureStore. |
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*/ |
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private FeatureSelection getSelection() {
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try {
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return (FeatureSelection) getFeatureStore().getSelection(); |
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} catch (DataException ex) {
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throw new SelectionChangeException(ex); |
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} |
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} |
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public void update(Observable observable, Object notification) {
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if (notification instanceof FeatureStoreNotification) {
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FeatureStoreNotification fnotification = (FeatureStoreNotification) notification; |
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if (!fnotification.getSource().equals(getFeatureStore())) {
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return; |
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} |
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if (FeatureStoreNotification.SELECTION_CHANGE.equals(fnotification |
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.getType())) {
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this.fireValueChanged(-1, -1, false); |
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} |
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} |
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} |
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} |
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