| 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.gui.help.HelpUtil.ht;
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 |
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| 7 | import java.awt.event.ActionEvent;
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| 8 | import java.awt.event.KeyEvent;
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| 9 |
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| 10 | import org.openstreetmap.josm.Main;
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| 11 | import org.openstreetmap.josm.gui.MainApplication;
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| 12 | import org.openstreetmap.josm.tools.Shortcut;
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| 13 |
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| 14 | /**
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| 15 | * Zoom out map.
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| 16 | * @since 770
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| 17 | */
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| 18 | public final class ZoomOutAction extends JosmAction {
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| 19 |
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| 20 | /**
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| 21 | * Constructs a new {@code ZoomOutAction}.
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| 22 | */
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| 23 | public ZoomOutAction() {
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| 24 | super(tr("Zoom Out"), "dialogs/zoomout", tr("Zoom Out"),
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| 25 | Shortcut.registerShortcut("view:zoomout", tr("View: {0}", tr("Zoom Out")), KeyEvent.VK_MINUS, Shortcut.DIRECT), true);
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| 26 | putValue("help", ht("/Action/ZoomOut"));
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| 27 | // make numpad - behave like -
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| 28 | Main.registerActionShortcut(this,
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| 29 | Shortcut.registerShortcut("view:zoomoutkeypad", tr("View: {0}", tr("Zoom Out (Keypad)")),
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| 30 | KeyEvent.VK_SUBTRACT, Shortcut.DIRECT));
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| 31 | }
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| 32 |
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| 33 | @Override
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| 34 | public void actionPerformed(ActionEvent e) {
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| 35 | if (!MainApplication.isDisplayingMapView()) return;
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| 36 | MainApplication.getMap().mapView.zoomOut();
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| 37 | }
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| 38 |
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| 39 | @Override
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| 40 | protected void updateEnabledState() {
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| 41 | setEnabled(!Main.getLayerManager().getLayers().isEmpty());
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| 42 | }
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| 43 | }
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