| 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.gui.MainApplication;
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| 11 | import org.openstreetmap.josm.tools.Shortcut;
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| 12 |
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| 13 | /**
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| 14 | * Zoom in map.
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| 15 | * @since 770
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| 16 | */
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| 17 | public final class ZoomInAction extends JosmAction {
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| 18 |
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| 19 | /**
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| 20 | * Constructs a new {@code ZoomInAction}.
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| 21 | */
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| 22 | public ZoomInAction() {
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| 23 | super(
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| 24 | tr("Zoom In"),
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| 25 | "dialogs/zoomin",
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| 26 | tr("Zoom In"),
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| 27 | // Although it might be possible on few custom keyboards, the vast majority of layouts do not have a direct '+' key, see below
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| 28 | Shortcut.registerShortcut("view:zoomin", tr("View: {0}", tr("Zoom In")), KeyEvent.VK_PLUS, Shortcut.DIRECT),
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| 29 | true
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| 30 | );
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| 31 | setHelpId(ht("/Action/ZoomIn"));
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| 32 | // On standard QWERTY, AZERTY and other common layouts the '+' key is obtained with Shift+EQUALS
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| 33 | MainApplication.registerActionShortcut(this,
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| 34 | Shortcut.registerShortcut("view:zoominbis", tr("View: {0}", tr("Zoom In")),
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| 35 | KeyEvent.VK_EQUALS, Shortcut.SHIFT));
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| 36 | // But on some systems (Belgian keyboard under Ubuntu) it seems not to work, so use also EQUALS
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| 37 | MainApplication.registerActionShortcut(this,
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| 38 | Shortcut.registerShortcut("view:zoominter", tr("View: {0}", tr("Zoom In")),
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| 39 | KeyEvent.VK_EQUALS, Shortcut.DIRECT));
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| 40 | // make numpad + behave like +
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| 41 | MainApplication.registerActionShortcut(this,
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| 42 | Shortcut.registerShortcut("view:zoominkeypad", tr("View: {0}", tr("Zoom In (Keypad)")),
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| 43 | KeyEvent.VK_ADD, Shortcut.DIRECT));
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| 44 | }
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| 45 |
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| 46 | @Override
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| 47 | public void actionPerformed(ActionEvent e) {
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| 48 | if (!MainApplication.isDisplayingMapView()) return;
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| 49 | MainApplication.getMap().mapView.zoomIn();
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| 50 | }
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| 51 |
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| 52 | @Override
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| 53 | protected boolean listenToSelectionChange() {
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| 54 | return false;
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| 55 | }
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| 56 |
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| 57 | @Override
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| 58 | protected void updateEnabledState() {
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| 59 | setEnabled(!getLayerManager().getLayers().isEmpty());
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| 60 | }
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| 61 |
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| 62 | }
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