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 java.awt.event.ActionEvent;
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5 |
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6 | import javax.swing.JCheckBoxMenuItem;
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7 |
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8 | import org.openstreetmap.josm.data.Preferences;
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9 | import org.openstreetmap.josm.data.preferences.BooleanProperty;
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10 | import org.openstreetmap.josm.spi.preferences.PreferenceChangeEvent;
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11 | import org.openstreetmap.josm.spi.preferences.PreferenceChangedListener;
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12 |
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13 | /**
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14 | * User action to toggle a custom boolean preference value.
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15 | *
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16 | * A user action will just change a preference value. To take any real action,
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17 | * register another {@link PreferenceChangedListener} for the given preference key.
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18 | */
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19 | public class PreferenceToggleAction extends JosmAction implements PreferenceChangedListener {
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20 |
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21 | private final JCheckBoxMenuItem checkbox;
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22 | private final BooleanProperty pref;
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23 |
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24 | /**
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25 | * Create a new PreferenceToggleAction.
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26 | * @param name the (translated) title
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27 | * @param tooltip tooltip text
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28 | * @param pref the preference to toggle
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29 | */
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30 | public PreferenceToggleAction(String name, String tooltip, BooleanProperty pref) {
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31 | super(name, null, tooltip, null, false);
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32 | setToolbarId("toggle-" + pref.getKey());
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33 | this.pref = pref;
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34 | checkbox = new JCheckBoxMenuItem(this);
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35 | checkbox.setSelected(pref.get());
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36 | Preferences.main().addWeakKeyPreferenceChangeListener(pref.getKey(), this);
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37 | }
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38 |
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39 | @Override
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40 | public void actionPerformed(ActionEvent e) {
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41 | pref.put(checkbox.isSelected());
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42 | }
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43 |
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44 | /**
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45 | * Get the checkbox that can be used for this action. It can only be used at one place.
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46 | * @return The checkbox.
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47 | */
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48 | public JCheckBoxMenuItem getCheckbox() {
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49 | return checkbox;
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50 | }
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51 |
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52 | @Override
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53 | public void preferenceChanged(PreferenceChangeEvent e) {
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54 | checkbox.setSelected(pref.get());
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55 | }
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56 | }
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