[13891] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.actions;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.event.ActionEvent;
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| 7 | import java.util.List;
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| 8 | import java.util.stream.Collectors;
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| 9 | import java.util.stream.Stream;
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| 10 |
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| 11 | import org.openstreetmap.josm.gui.layer.ImageryLayer;
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[14012] | 12 | import org.openstreetmap.josm.tools.KeyboardUtils;
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[13891] | 13 | import org.openstreetmap.josm.tools.Shortcut;
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| 14 |
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| 15 | /**
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| 16 | * Reorders all non-overlay imagery layers in a cyclic manner.
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| 17 | * @since 13891
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| 18 | */
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| 19 | public class ReorderImageryLayersAction extends JosmAction {
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| 20 |
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| 21 | /**
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| 22 | * Constructs a new {@code ReorderImageryLayersAction}.
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| 23 | */
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| 24 | public ReorderImageryLayersAction() {
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[15207] | 25 | super(tr("Reorder imagery layers"), "dialogs/reorderlayers", tr("Reorders non-overlay imagery layers."),
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[17188] | 26 | Shortcut.registerMultiShortcuts("imagery:reorder", tr("Imagery: {0}", tr("Reorder imagery layers")),
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[14012] | 27 | KeyboardUtils.getCharactersForKey('E', 0), Shortcut.DIRECT));
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[13891] | 28 | }
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| 29 |
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| 30 | @Override
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| 31 | public void actionPerformed(ActionEvent e) {
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| 32 | List<ImageryLayer> layers = getNonOverlayImageryLayers().collect(Collectors.toList());
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| 33 | int size = layers.size();
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| 34 | if (size > 1) {
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| 35 | // Move the first non-overlay layer at the position of the last non-overlay layer
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| 36 | getLayerManager().moveLayer(layers.get(0),
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| 37 | getLayerManager().getLayers().indexOf(layers.get(size - 1)));
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| 38 | }
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| 39 | }
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| 40 |
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| 41 | @Override
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[16509] | 42 | protected boolean listenToSelectionChange() {
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| 43 | return false;
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| 44 | }
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| 45 |
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| 46 | @Override
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[13891] | 47 | protected void updateEnabledState() {
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| 48 | setEnabled(getNonOverlayImageryLayers().count() > 1);
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| 49 | }
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| 50 |
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| 51 | private Stream<ImageryLayer> getNonOverlayImageryLayers() {
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| 52 | return getLayerManager().getLayersOfType(ImageryLayer.class).stream()
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| 53 | .filter(l -> !l.getInfo().isOverlay());
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| 54 | }
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| 55 | }
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