[4751] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.gui.layer;
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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.awt.event.KeyEvent;
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| 8 | import java.lang.ref.WeakReference;
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| 9 | import java.util.List;
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| 10 |
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| 11 | import javax.swing.AbstractAction;
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| 12 |
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| 13 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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| 14 | import org.openstreetmap.josm.tools.MultikeyActionsHandler;
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| 15 | import org.openstreetmap.josm.tools.MultikeyShortcutAction;
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| 16 | import org.openstreetmap.josm.tools.Shortcut;
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| 17 |
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[6362] | 18 | public final class JumpToMarkerActions {
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[4751] | 19 |
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| 20 | public interface JumpToMarkerLayer {
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| 21 | void jumpToNextMarker();
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[8510] | 22 |
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[4751] | 23 | void jumpToPreviousMarker();
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| 24 | }
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[7509] | 25 |
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[6360] | 26 | private JumpToMarkerActions() {
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| 27 | // Hide default constructor for utils classes
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| 28 | }
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[4751] | 29 |
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[8126] | 30 | private static volatile JumpToNextMarker jumpToNextMarkerAction;
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| 31 | private static volatile JumpToPreviousMarker jumpToPreviousMarkerAction;
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[5449] | 32 |
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[4751] | 33 | public static void initialize() {
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[5018] | 34 | jumpToNextMarkerAction = new JumpToNextMarker(null);
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| 35 | jumpToPreviousMarkerAction = new JumpToPreviousMarker(null);
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| 36 | MultikeyActionsHandler.getInstance().addAction(jumpToNextMarkerAction);
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| 37 | MultikeyActionsHandler.getInstance().addAction(jumpToPreviousMarkerAction);
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[4751] | 38 | }
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[5449] | 39 |
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[5018] | 40 | public static void unregisterActions() {
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| 41 | MultikeyActionsHandler.getInstance().removeAction(jumpToNextMarkerAction);
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| 42 | MultikeyActionsHandler.getInstance().removeAction(jumpToPreviousMarkerAction);
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| 43 | }
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[4751] | 44 |
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[6986] | 45 | private abstract static class JumpToMarker extends AbstractAction implements MultikeyShortcutAction {
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[4751] | 46 |
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[8308] | 47 | private final transient Layer layer;
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| 48 | private final transient Shortcut multikeyShortcut;
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| 49 | private transient WeakReference<Layer> lastLayer;
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[7509] | 50 |
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[8836] | 51 | JumpToMarker(JumpToMarkerLayer layer, Shortcut shortcut) {
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[6261] | 52 | this.layer = (Layer) layer;
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| 53 | this.multikeyShortcut = shortcut;
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| 54 | this.multikeyShortcut.setAccelerator(this);
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[4751] | 55 | }
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[7509] | 56 |
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[6261] | 57 | protected final void setLastLayer(Layer l) {
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[7005] | 58 | lastLayer = new WeakReference<>(l);
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[6261] | 59 | }
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[4751] | 60 |
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| 61 | @Override
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[4999] | 62 | public Shortcut getMultikeyShortcut() {
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| 63 | return multikeyShortcut;
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| 64 | }
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| 65 |
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| 66 | @Override
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[4751] | 67 | public void actionPerformed(ActionEvent e) {
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| 68 | execute(layer);
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| 69 | }
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| 70 |
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| 71 | @Override
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| 72 | public void executeMultikeyAction(int index, boolean repeat) {
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| 73 | Layer l = LayerListDialog.getLayerForIndex(index);
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| 74 | if (l != null) {
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| 75 | if (l instanceof JumpToMarkerLayer) {
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| 76 | execute(l);
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| 77 | }
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| 78 | } else if (repeat && lastLayer != null) {
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| 79 | l = lastLayer.get();
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| 80 | if (LayerListDialog.isLayerValid(l)) {
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| 81 | execute(l);
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| 82 | }
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| 83 | }
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| 84 | }
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| 85 |
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[6261] | 86 | protected abstract void execute(Layer l);
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[4751] | 87 |
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| 88 | @Override
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| 89 | public List<MultikeyInfo> getMultikeyCombinations() {
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| 90 | return LayerListDialog.getLayerInfoByClass(JumpToMarkerLayer.class);
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| 91 | }
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[7509] | 92 |
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[4751] | 93 | @Override
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| 94 | public MultikeyInfo getLastMultikeyAction() {
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| 95 | if (lastLayer != null)
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| 96 | return LayerListDialog.getLayerInfo(lastLayer.get());
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| 97 | else
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| 98 | return null;
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| 99 | }
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| 100 | }
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| 101 |
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[6261] | 102 | public static final class JumpToNextMarker extends JumpToMarker {
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[4751] | 103 |
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[6261] | 104 | public JumpToNextMarker(JumpToMarkerLayer layer) {
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| 105 | super(layer, Shortcut.registerShortcut("core_multikey:nextMarker", tr("Multikey: {0}", tr("Next marker")),
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| 106 | KeyEvent.VK_J, Shortcut.ALT_CTRL));
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| 107 | putValue(SHORT_DESCRIPTION, tr("Jump to next marker"));
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| 108 | putValue(NAME, tr("Jump to next marker"));
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[4751] | 109 | }
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| 110 |
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| 111 | @Override
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[6261] | 112 | protected void execute(Layer l) {
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[8510] | 113 | ((JumpToMarkerLayer) l).jumpToNextMarker();
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[6261] | 114 | setLastLayer(l);
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[4999] | 115 | }
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[6261] | 116 | }
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[4999] | 117 |
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[6261] | 118 | public static final class JumpToPreviousMarker extends JumpToMarker {
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| 119 |
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| 120 | public JumpToPreviousMarker(JumpToMarkerLayer layer) {
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| 121 | super(layer, Shortcut.registerShortcut("core_multikey:previousMarker", tr("Multikey: {0}", tr("Previous marker")),
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| 122 | KeyEvent.VK_P, Shortcut.ALT_CTRL));
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| 123 | putValue(SHORT_DESCRIPTION, tr("Jump to previous marker"));
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| 124 | putValue(NAME, tr("Jump to previous marker"));
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[4751] | 125 | }
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| 126 |
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| 127 | @Override
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[6261] | 128 | protected void execute(Layer l) {
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[4751] | 129 | ((JumpToMarkerLayer) l).jumpToPreviousMarker();
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[6261] | 130 | setLastLayer(l);
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[4751] | 131 | }
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| 132 | }
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| 133 | }
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