[6380] | 1 | // License: GPL. For details, see LICENSE file.
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[30] | 2 | package org.openstreetmap.josm.actions;
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| 3 |
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[1182] | 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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[12749] | 6 | import java.awt.GridBagLayout;
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[4982] | 7 | import java.awt.event.KeyEvent;
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[1820] | 8 | import java.util.Collection;
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[10212] | 9 | import java.util.concurrent.CancellationException;
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| 10 | import java.util.concurrent.ExecutionException;
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[10074] | 11 | import java.util.concurrent.Future;
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[1820] | 12 |
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[30] | 13 | import javax.swing.AbstractAction;
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[12749] | 14 | import javax.swing.JOptionPane;
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| 15 | import javax.swing.JPanel;
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[30] | 16 |
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[43] | 17 | import org.openstreetmap.josm.Main;
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[12749] | 18 | import org.openstreetmap.josm.command.Command;
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[1820] | 19 | import org.openstreetmap.josm.data.SelectionChangedListener;
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[558] | 20 | import org.openstreetmap.josm.data.osm.DataSet;
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[1820] | 21 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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[12051] | 22 | import org.openstreetmap.josm.data.osm.event.DatasetEventManager.FireMode;
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| 23 | import org.openstreetmap.josm.data.osm.event.SelectionEventManager;
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[12749] | 24 | import org.openstreetmap.josm.gui.ConditionalOptionPaneUtil;
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[12634] | 25 | import org.openstreetmap.josm.gui.MainApplication;
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[10353] | 26 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
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[10345] | 27 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener;
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[10353] | 28 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
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| 29 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
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| 30 | import org.openstreetmap.josm.gui.layer.MainLayerManager;
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[10345] | 31 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent;
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| 32 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener;
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[12675] | 33 | import org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor;
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[12749] | 34 | import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
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[208] | 35 | import org.openstreetmap.josm.tools.Destroyable;
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[71] | 36 | import org.openstreetmap.josm.tools.ImageProvider;
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[12620] | 37 | import org.openstreetmap.josm.tools.Logging;
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[1084] | 38 | import org.openstreetmap.josm.tools.Shortcut;
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[30] | 39 |
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| 40 | /**
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| 41 | * Base class helper for all Actions in JOSM. Just to make the life easier.
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[2305] | 42 | *
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[10353] | 43 | * This action allows you to set up an icon, a tooltip text, a globally registered shortcut, register it in the main toolbar and set up
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| 44 | * layer/selection listeners that call {@link #updateEnabledState()} whenever the global context is changed.
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| 45 | *
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| 46 | * A JosmAction can register a {@link LayerChangeListener} and a {@link SelectionChangedListener}. Upon
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[5275] | 47 | * a layer change event or a selection change event it invokes {@link #updateEnabledState()}.
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| 48 | * Subclasses can override {@link #updateEnabledState()} in order to update the {@link #isEnabled()}-state
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[10972] | 49 | * of a JosmAction depending on the {@link #getLayerManager()} state.
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[2305] | 50 | *
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[208] | 51 | * destroy() from interface Destroyable is called e.g. for MapModes, when the last layer has
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| 52 | * been removed and so the mapframe will be destroyed. For other JosmActions, destroy() may never
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| 53 | * be called (currently).
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[1023] | 54 | *
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[30] | 55 | * @author imi
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| 56 | */
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[6889] | 57 | public abstract class JosmAction extends AbstractAction implements Destroyable {
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[30] | 58 |
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[8308] | 59 | protected transient Shortcut sc;
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| 60 | private transient LayerChangeAdapter layerChangeAdapter;
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[10353] | 61 | private transient ActiveLayerChangeAdapter activeLayerChangeAdapter;
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[8308] | 62 | private transient SelectionChangeAdapter selectionChangeAdapter;
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[208] | 63 |
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[6814] | 64 | /**
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[5110] | 65 | * Constructs a {@code JosmAction}.
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[1169] | 66 | *
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[1935] | 67 | * @param name the action's text as displayed on the menu (if it is added to a menu)
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[5110] | 68 | * @param icon the icon to use
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[1935] | 69 | * @param tooltip a longer description of the action that will be displayed in the tooltip. Please note
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| 70 | * that html is not supported for menu actions on some platforms.
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| 71 | * @param shortcut a ready-created shortcut object or null if you don't want a shortcut. But you always
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| 72 | * do want a shortcut, remember you can always register it with group=none, so you
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| 73 | * won't be assigned a shortcut unless the user configures one. If you pass null here,
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[1169] | 74 | * the user CANNOT configure a shortcut for your action.
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[5110] | 75 | * @param registerInToolbar register this action for the toolbar preferences?
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[4733] | 76 | * @param toolbarId identifier for the toolbar preferences. The iconName is used, if this parameter is null
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| 77 | * @param installAdapters false, if you don't want to install layer changed and selection changed adapters
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[7693] | 78 | */
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[8509] | 79 | public JosmAction(String name, ImageProvider icon, String tooltip, Shortcut shortcut, boolean registerInToolbar,
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| 80 | String toolbarId, boolean installAdapters) {
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[7693] | 81 | super(name);
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[8510] | 82 | if (icon != null)
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[10428] | 83 | icon.getResource().attachImageIcon(this, true);
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[7693] | 84 | setHelpId();
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| 85 | sc = shortcut;
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[12320] | 86 | if (sc != null && !sc.isAutomatic()) {
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[12639] | 87 | MainApplication.registerActionShortcut(this, sc);
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[7693] | 88 | }
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| 89 | setTooltip(tooltip);
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| 90 | if (getValue("toolbar") == null) {
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| 91 | putValue("toolbar", toolbarId);
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| 92 | }
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[12637] | 93 | if (registerInToolbar && MainApplication.getToolbar() != null) {
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| 94 | MainApplication.getToolbar().register(this);
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[7693] | 95 | }
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| 96 | if (installAdapters) {
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| 97 | installAdapters();
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| 98 | }
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| 99 | }
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| 100 |
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| 101 | /**
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[5110] | 102 | * The new super for all actions.
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| 103 | *
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| 104 | * Use this super constructor to setup your action.
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| 105 | *
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| 106 | * @param name the action's text as displayed on the menu (if it is added to a menu)
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| 107 | * @param iconName the filename of the icon to use
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| 108 | * @param tooltip a longer description of the action that will be displayed in the tooltip. Please note
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| 109 | * that html is not supported for menu actions on some platforms.
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| 110 | * @param shortcut a ready-created shortcut object or null if you don't want a shortcut. But you always
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| 111 | * do want a shortcut, remember you can always register it with group=none, so you
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| 112 | * won't be assigned a shortcut unless the user configures one. If you pass null here,
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| 113 | * the user CANNOT configure a shortcut for your action.
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[5526] | 114 | * @param registerInToolbar register this action for the toolbar preferences?
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[5110] | 115 | * @param toolbarId identifier for the toolbar preferences. The iconName is used, if this parameter is null
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| 116 | * @param installAdapters false, if you don't want to install layer changed and selection changed adapters
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| 117 | */
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[8509] | 118 | public JosmAction(String name, String iconName, String tooltip, Shortcut shortcut, boolean registerInToolbar,
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| 119 | String toolbarId, boolean installAdapters) {
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[7693] | 120 | this(name, iconName == null ? null : new ImageProvider(iconName), tooltip, shortcut, registerInToolbar,
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[5110] | 121 | toolbarId == null ? iconName : toolbarId, installAdapters);
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| 122 | }
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| 123 |
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[6814] | 124 | /**
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| 125 | * Constructs a new {@code JosmAction}.
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| 126 | *
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| 127 | * Use this super constructor to setup your action.
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| 128 | *
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| 129 | * @param name the action's text as displayed on the menu (if it is added to a menu)
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| 130 | * @param iconName the filename of the icon to use
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| 131 | * @param tooltip a longer description of the action that will be displayed in the tooltip. Please note
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| 132 | * that html is not supported for menu actions on some platforms.
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| 133 | * @param shortcut a ready-created shortcut object or null if you don't want a shortcut. But you always
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| 134 | * do want a shortcut, remember you can always register it with group=none, so you
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| 135 | * won't be assigned a shortcut unless the user configures one. If you pass null here,
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| 136 | * the user CANNOT configure a shortcut for your action.
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| 137 | * @param registerInToolbar register this action for the toolbar preferences?
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| 138 | * @param installAdapters false, if you don't want to install layer changed and selection changed adapters
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| 139 | */
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[5526] | 140 | public JosmAction(String name, String iconName, String tooltip, Shortcut shortcut, boolean registerInToolbar, boolean installAdapters) {
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| 141 | this(name, iconName, tooltip, shortcut, registerInToolbar, null, installAdapters);
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[4733] | 142 | }
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| 143 |
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[6814] | 144 | /**
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| 145 | * Constructs a new {@code JosmAction}.
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| 146 | *
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| 147 | * Use this super constructor to setup your action.
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| 148 | *
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| 149 | * @param name the action's text as displayed on the menu (if it is added to a menu)
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| 150 | * @param iconName the filename of the icon to use
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| 151 | * @param tooltip a longer description of the action that will be displayed in the tooltip. Please note
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| 152 | * that html is not supported for menu actions on some platforms.
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| 153 | * @param shortcut a ready-created shortcut object or null if you don't want a shortcut. But you always
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| 154 | * do want a shortcut, remember you can always register it with group=none, so you
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| 155 | * won't be assigned a shortcut unless the user configures one. If you pass null here,
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| 156 | * the user CANNOT configure a shortcut for your action.
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| 157 | * @param registerInToolbar register this action for the toolbar preferences?
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| 158 | */
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[5526] | 159 | public JosmAction(String name, String iconName, String tooltip, Shortcut shortcut, boolean registerInToolbar) {
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| 160 | this(name, iconName, tooltip, shortcut, registerInToolbar, null, true);
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[4733] | 161 | }
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| 162 |
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[6814] | 163 | /**
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| 164 | * Constructs a new {@code JosmAction}.
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| 165 | */
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[1820] | 166 | public JosmAction() {
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[3327] | 167 | this(true);
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| 168 | }
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| 169 |
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[6814] | 170 | /**
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| 171 | * Constructs a new {@code JosmAction}.
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| 172 | *
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| 173 | * @param installAdapters false, if you don't want to install layer changed and selection changed adapters
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| 174 | */
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[3327] | 175 | public JosmAction(boolean installAdapters) {
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[1820] | 176 | setHelpId();
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[3327] | 177 | if (installAdapters) {
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| 178 | installAdapters();
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| 179 | }
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[1820] | 180 | }
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[10409] | 181 |
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[10353] | 182 | /**
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| 183 | * Installs the listeners to this action.
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| 184 | * <p>
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| 185 | * This should either never be called or only called in the constructor of this action.
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| 186 | * <p>
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| 187 | * All registered adapters should be removed in {@link #destroy()}
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| 188 | */
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| 189 | protected void installAdapters() {
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| 190 | // make this action listen to layer change and selection change events
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| 191 | if (listenToLayerChange()) {
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| 192 | layerChangeAdapter = new LayerChangeAdapter();
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| 193 | activeLayerChangeAdapter = new ActiveLayerChangeAdapter();
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| 194 | getLayerManager().addLayerChangeListener(layerChangeAdapter);
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| 195 | getLayerManager().addActiveLayerChangeListener(activeLayerChangeAdapter);
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| 196 | }
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| 197 | if (listenToSelectionChange()) {
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| 198 | selectionChangeAdapter = new SelectionChangeAdapter();
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[12051] | 199 | SelectionEventManager.getInstance()
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| 200 | .addSelectionListener(selectionChangeAdapter, FireMode.IN_EDT_CONSOLIDATED);
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[10353] | 201 | }
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| 202 | initEnabledState();
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| 203 | }
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| 204 |
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| 205 | /**
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| 206 | * Overwrite this if {@link #updateEnabledState()} should be called when the active / availabe layers change. Default is true.
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| 207 | * @return <code>true</code> if a {@link LayerChangeListener} and a {@link ActiveLayerChangeListener} should be registered.
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[10354] | 208 | * @since 10353
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[10353] | 209 | */
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| 210 | protected boolean listenToLayerChange() {
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| 211 | return true;
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| 212 | }
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| 213 |
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| 214 | /**
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| 215 | * Overwrite this if {@link #updateEnabledState()} should be called when the selection changed. Default is true.
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| 216 | * @return <code>true</code> if a {@link SelectionChangedListener} should be registered.
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[10354] | 217 | * @since 10353
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[10353] | 218 | */
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| 219 | protected boolean listenToSelectionChange() {
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| 220 | return true;
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| 221 | }
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| 222 |
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[5459] | 223 | @Override
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[1169] | 224 | public void destroy() {
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[12320] | 225 | if (sc != null && !sc.isAutomatic()) {
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[12639] | 226 | MainApplication.unregisterActionShortcut(this);
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[1169] | 227 | }
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[10345] | 228 | if (layerChangeAdapter != null) {
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[10353] | 229 | getLayerManager().removeLayerChangeListener(layerChangeAdapter);
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| 230 | getLayerManager().removeActiveLayerChangeListener(activeLayerChangeAdapter);
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[10345] | 231 | }
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[10353] | 232 | if (selectionChangeAdapter != null) {
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| 233 | DataSet.removeSelectionListener(selectionChangeAdapter);
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| 234 | }
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[1169] | 235 | }
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[1023] | 236 |
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[1169] | 237 | private void setHelpId() {
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| 238 | String helpId = "Action/"+getClass().getName().substring(getClass().getName().lastIndexOf('.')+1);
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[1814] | 239 | if (helpId.endsWith("Action")) {
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[1169] | 240 | helpId = helpId.substring(0, helpId.length()-6);
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[1814] | 241 | }
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[1169] | 242 | putValue("help", helpId);
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| 243 | }
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[1814] | 244 |
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[6814] | 245 | /**
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[10353] | 246 | * Returns the shortcut for this action.
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| 247 | * @return the shortcut for this action, or "No shortcut" if none is defined
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| 248 | */
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| 249 | public Shortcut getShortcut() {
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| 250 | if (sc == null) {
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| 251 | sc = Shortcut.registerShortcut("core:none", tr("No Shortcut"), KeyEvent.CHAR_UNDEFINED, Shortcut.NONE);
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| 252 | // as this shortcut is shared by all action that don't want to have a shortcut,
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| 253 | // we shouldn't allow the user to change it...
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| 254 | // this is handled by special name "core:none"
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| 255 | }
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| 256 | return sc;
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| 257 | }
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| 258 |
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| 259 | /**
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[6814] | 260 | * Sets the tooltip text of this action.
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| 261 | * @param tooltip The text to display in tooltip. Can be {@code null}
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| 262 | */
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[6890] | 263 | public final void setTooltip(String tooltip) {
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[5026] | 264 | if (tooltip != null) {
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| 265 | putValue(SHORT_DESCRIPTION, Main.platform.makeTooltip(tooltip, sc));
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| 266 | }
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[4908] | 267 | }
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| 268 |
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[1814] | 269 | /**
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[10353] | 270 | * Gets the layer manager used for this action. Defaults to the main layer manager but you can overwrite this.
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| 271 | * <p>
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| 272 | * The layer manager must be available when {@link #installAdapters()} is called and must not change.
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| 273 | *
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| 274 | * @return The layer manager.
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[10354] | 275 | * @since 10353
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[10353] | 276 | */
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| 277 | public MainLayerManager getLayerManager() {
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[12636] | 278 | return MainApplication.getLayerManager();
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[10353] | 279 | }
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| 280 |
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[10074] | 281 | protected static void waitFuture(final Future<?> future, final PleaseWaitProgressMonitor monitor) {
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[12634] | 282 | MainApplication.worker.submit(() -> {
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[10074] | 283 | try {
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| 284 | future.get();
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[10212] | 285 | } catch (InterruptedException | ExecutionException | CancellationException e) {
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[12620] | 286 | Logging.error(e);
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[10074] | 287 | return;
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| 288 | }
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| 289 | monitor.close();
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[10601] | 290 | });
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[10074] | 291 | }
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| 292 |
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[2260] | 293 | /**
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| 294 | * Override in subclasses to init the enabled state of an action when it is
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[5266] | 295 | * created. Default behaviour is to call {@link #updateEnabledState()}
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[2305] | 296 | *
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[2260] | 297 | * @see #updateEnabledState()
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| 298 | * @see #updateEnabledState(Collection)
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| 299 | */
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[2256] | 300 | protected void initEnabledState() {
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[2260] | 301 | updateEnabledState();
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[2256] | 302 | }
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| 303 |
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[2260] | 304 | /**
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| 305 | * Override in subclasses to update the enabled state of the action when
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| 306 | * something in the JOSM state changes, i.e. when a layer is removed or added.
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[2305] | 307 | *
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[5266] | 308 | * See {@link #updateEnabledState(Collection)} to respond to changes in the collection
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[2260] | 309 | * of selected primitives.
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[2305] | 310 | *
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[2260] | 311 | * Default behavior is empty.
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[2305] | 312 | *
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[2260] | 313 | * @see #updateEnabledState(Collection)
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| 314 | * @see #initEnabledState()
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[10353] | 315 | * @see #listenToLayerChange()
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[2260] | 316 | */
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[1820] | 317 | protected void updateEnabledState() {
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| 318 | }
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| 319 |
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[2260] | 320 | /**
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| 321 | * Override in subclasses to update the enabled state of the action if the
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| 322 | * collection of selected primitives changes. This method is called with the
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[3504] | 323 | * new selection.
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[2305] | 324 | *
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[3504] | 325 | * @param selection the collection of selected primitives; may be empty, but not null
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[2305] | 326 | *
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[2260] | 327 | * @see #updateEnabledState()
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| 328 | * @see #initEnabledState()
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[10353] | 329 | * @see #listenToSelectionChange()
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[2260] | 330 | */
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[2256] | 331 | protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
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| 332 | }
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| 333 |
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[1820] | 334 | /**
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[10409] | 335 | * Updates enabled state according to primitives currently selected in edit data set, if any.
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| 336 | * Can be called in {@link #updateEnabledState()} implementations.
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[13434] | 337 | * @see #updateEnabledStateOnCurrentSelection(boolean)
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[10409] | 338 | * @since 10409
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| 339 | */
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| 340 | protected final void updateEnabledStateOnCurrentSelection() {
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[13434] | 341 | updateEnabledStateOnCurrentSelection(false);
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| 342 | }
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| 343 |
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| 344 | /**
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| 345 | * Updates enabled state according to primitives currently selected in active data set, if any.
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| 346 | * Can be called in {@link #updateEnabledState()} implementations.
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| 347 | * @param allowReadOnly if {@code true}, read-only data sets are considered
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| 348 | * @since 13434
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| 349 | */
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| 350 | protected final void updateEnabledStateOnCurrentSelection(boolean allowReadOnly) {
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| 351 | DataSet ds = getLayerManager().getActiveDataSet();
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[13453] | 352 | if (ds != null && (allowReadOnly || !ds.isLocked())) {
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[13434] | 353 | updateEnabledState(ds.getSelected());
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| 354 | } else {
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[10409] | 355 | setEnabled(false);
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| 356 | }
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| 357 | }
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| 358 |
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| 359 | /**
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[13434] | 360 | * Updates enabled state according to selected primitives, if any.
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| 361 | * Enables action if the colleciton is not empty and references primitives in a modifiable data layer.
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| 362 | * Can be called in {@link #updateEnabledState(Collection)} implementations.
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| 363 | * @param selection the collection of selected primitives
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| 364 | * @since 13434
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| 365 | */
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| 366 | protected final void updateEnabledStateOnModifiableSelection(Collection<? extends OsmPrimitive> selection) {
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| 367 | setEnabled(selection != null && !selection.isEmpty()
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[13453] | 368 | && selection.stream().map(OsmPrimitive::getDataSet).noneMatch(DataSet::isLocked));
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[13434] | 369 | }
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| 370 |
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| 371 | /**
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[10345] | 372 | * Adapter for layer change events. Runs updateEnabledState() whenever the active layer changed.
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[1820] | 373 | */
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[10353] | 374 | protected class LayerChangeAdapter implements LayerChangeListener {
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[6084] | 375 | @Override
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[10353] | 376 | public void layerAdded(LayerAddEvent e) {
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[10345] | 377 | updateEnabledState();
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[1820] | 378 | }
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| 379 |
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[6084] | 380 | @Override
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[10353] | 381 | public void layerRemoving(LayerRemoveEvent e) {
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| 382 | updateEnabledState();
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| 383 | }
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| 384 |
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| 385 | @Override
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| 386 | public void layerOrderChanged(LayerOrderChangeEvent e) {
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| 387 | updateEnabledState();
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| 388 | }
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| 389 |
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| 390 | @Override
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[10345] | 391 | public String toString() {
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[11538] | 392 | return "LayerChangeAdapter [" + JosmAction.this + ']';
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[1820] | 393 | }
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| 394 | }
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| 395 |
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| 396 | /**
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[10353] | 397 | * Adapter for layer change events. Runs updateEnabledState() whenever the active layer changed.
|
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| 398 | */
|
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| 399 | protected class ActiveLayerChangeAdapter implements ActiveLayerChangeListener {
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| 400 | @Override
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| 401 | public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
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| 402 | updateEnabledState();
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| 403 | }
|
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| 404 |
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| 405 | @Override
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| 406 | public String toString() {
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[11538] | 407 | return "ActiveLayerChangeAdapter [" + JosmAction.this + ']';
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[10353] | 408 | }
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| 409 | }
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| 410 |
|
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| 411 | /**
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[10345] | 412 | * Adapter for selection change events. Runs updateEnabledState() whenever the selection changed.
|
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[1820] | 413 | */
|
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[8957] | 414 | protected class SelectionChangeAdapter implements SelectionChangedListener {
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[6084] | 415 | @Override
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[1820] | 416 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
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[2256] | 417 | updateEnabledState(newSelection);
|
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[1820] | 418 | }
|
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[10345] | 419 |
|
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| 420 | @Override
|
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| 421 | public String toString() {
|
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[11538] | 422 | return "SelectionChangeAdapter [" + JosmAction.this + ']';
|
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[10345] | 423 | }
|
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[1820] | 424 | }
|
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[12749] | 425 |
|
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| 426 | /**
|
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| 427 | * Check whether user is about to operate on data outside of the download area.
|
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| 428 | * Request confirmation if he is.
|
---|
| 429 | *
|
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| 430 | * @param operation the operation name which is used for setting some preferences
|
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| 431 | * @param dialogTitle the title of the dialog being displayed
|
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| 432 | * @param outsideDialogMessage the message text to be displayed when data is outside of the download area
|
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| 433 | * @param incompleteDialogMessage the message text to be displayed when data is incomplete
|
---|
| 434 | * @param primitives the primitives to operate on
|
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| 435 | * @param ignore {@code null} or a primitive to be ignored
|
---|
| 436 | * @return true, if operating on outlying primitives is OK; false, otherwise
|
---|
| 437 | * @since 12749 (moved from Command)
|
---|
| 438 | */
|
---|
| 439 | public static boolean checkAndConfirmOutlyingOperation(String operation,
|
---|
| 440 | String dialogTitle, String outsideDialogMessage, String incompleteDialogMessage,
|
---|
| 441 | Collection<? extends OsmPrimitive> primitives,
|
---|
| 442 | Collection<? extends OsmPrimitive> ignore) {
|
---|
| 443 | int checkRes = Command.checkOutlyingOrIncompleteOperation(primitives, ignore);
|
---|
| 444 | if ((checkRes & Command.IS_OUTSIDE) != 0) {
|
---|
| 445 | JPanel msg = new JPanel(new GridBagLayout());
|
---|
| 446 | msg.add(new JMultilineLabel("<html>" + outsideDialogMessage + "</html>"));
|
---|
| 447 | boolean answer = ConditionalOptionPaneUtil.showConfirmationDialog(
|
---|
| 448 | operation + "_outside_nodes",
|
---|
| 449 | Main.parent,
|
---|
| 450 | msg,
|
---|
| 451 | dialogTitle,
|
---|
| 452 | JOptionPane.YES_NO_OPTION,
|
---|
| 453 | JOptionPane.QUESTION_MESSAGE,
|
---|
| 454 | JOptionPane.YES_OPTION);
|
---|
| 455 | if (!answer)
|
---|
| 456 | return false;
|
---|
| 457 | }
|
---|
| 458 | if ((checkRes & Command.IS_INCOMPLETE) != 0) {
|
---|
| 459 | JPanel msg = new JPanel(new GridBagLayout());
|
---|
| 460 | msg.add(new JMultilineLabel("<html>" + incompleteDialogMessage + "</html>"));
|
---|
| 461 | boolean answer = ConditionalOptionPaneUtil.showConfirmationDialog(
|
---|
| 462 | operation + "_incomplete",
|
---|
| 463 | Main.parent,
|
---|
| 464 | msg,
|
---|
| 465 | dialogTitle,
|
---|
| 466 | JOptionPane.YES_NO_OPTION,
|
---|
| 467 | JOptionPane.QUESTION_MESSAGE,
|
---|
| 468 | JOptionPane.YES_OPTION);
|
---|
| 469 | if (!answer)
|
---|
| 470 | return false;
|
---|
| 471 | }
|
---|
| 472 | return true;
|
---|
| 473 | }
|
---|
[30] | 474 | }
|
---|