| 1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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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 | import java.awt.event.ActionListener;
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| 6 | import java.awt.event.KeyEvent;
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| 7 | import java.beans.PropertyChangeEvent;
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| 8 | import java.beans.PropertyChangeListener;
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| 9 | import java.util.ArrayList;
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| 10 | import java.util.List;
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| 11 |
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| 12 | import javax.swing.AbstractAction;
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| 13 | import javax.swing.Action;
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| 14 | import javax.swing.Icon;
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| 15 | import javax.swing.JComponent;
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| 16 | import javax.swing.JMenuItem;
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| 17 | import javax.swing.JPopupMenu;
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| 18 | import javax.swing.KeyStroke;
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| 19 |
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| 20 | import org.openstreetmap.josm.Main;
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| 21 | import org.openstreetmap.josm.gui.IconToggleButton;
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| 22 | import org.openstreetmap.josm.tools.ImageProvider;
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| 23 | import org.openstreetmap.josm.tools.ShortCutLabel;
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| 24 | import org.openstreetmap.josm.tools.ImageProvider.OverlayPosition;
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| 25 |
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| 26 |
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| 27 | public class GroupAction extends JosmAction {
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| 28 |
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| 29 | protected final List<Action> actions = new ArrayList<Action>();
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| 30 | private int current = -1;
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| 31 | private String shortCutName = "";
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| 32 |
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| 33 | private PropertyChangeListener forwardActiveListener = new PropertyChangeListener(){
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| 34 | public void propertyChange(PropertyChangeEvent evt) {
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| 35 | if (evt.getPropertyName().equals("active"))
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| 36 | putValue("active", evt.getNewValue());
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| 37 | }
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| 38 | };
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| 39 |
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| 40 | protected void setCurrent(int current) {
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| 41 | if (this.current != -1)
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| 42 | actions.get(this.current).removePropertyChangeListener(forwardActiveListener);
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| 43 | actions.get(current).addPropertyChangeListener(forwardActiveListener);
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| 44 |
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| 45 | this.current = current;
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| 46 | putValue(SMALL_ICON, ImageProvider.overlay((Icon)actions.get(current).getValue(SMALL_ICON), "overlay/right", OverlayPosition.SOUTHEAST));
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| 47 | Object tooltip = actions.get(current).getValue(SHORT_DESCRIPTION);
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| 48 | putValue(SHORT_DESCRIPTION, "<html>"+tooltip+" <font size='-2'>"+shortCutName+"</font> </html>");
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| 49 | }
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| 50 |
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| 51 | public GroupAction(int shortCut, int modifiers) {
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| 52 | String idName = getClass().getName();
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| 53 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(shortCut, modifiers), idName);
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| 54 | Main.contentPane.getActionMap().put(idName, this);
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| 55 | shortCutName = ShortCutLabel.name(shortCut, modifiers);
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| 56 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(shortCut, KeyEvent.SHIFT_DOWN_MASK), idName+".cycle");
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| 57 | Main.contentPane.getActionMap().put(idName+".cycle", new AbstractAction(){
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| 58 | public void actionPerformed(ActionEvent e) {
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| 59 | setCurrent((current+1)%actions.size());
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| 60 | actions.get(current).actionPerformed(e);
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| 61 | }
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| 62 | });
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| 63 | }
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| 64 |
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| 65 | public void actionPerformed(ActionEvent e) {
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| 66 | if (e.getSource() instanceof IconToggleButton && ((IconToggleButton)e.getSource()).groupbutton) {
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| 67 | IconToggleButton b = (IconToggleButton)e.getSource();
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| 68 | b.setSelected(!b.isSelected());
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| 69 | openPopup(b);
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| 70 | } else
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| 71 | actions.get(current).actionPerformed(e);
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| 72 | }
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| 73 |
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| 74 | private void openPopup(IconToggleButton b) {
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| 75 | JPopupMenu popup = new JPopupMenu();
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| 76 | for (int i = 0; i < actions.size(); ++i) {
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| 77 | final int j = i;
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| 78 | JMenuItem item = new JMenuItem(actions.get(i));
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| 79 | item.addActionListener(new ActionListener(){
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| 80 | public void actionPerformed(ActionEvent e) {
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| 81 | setCurrent(j);
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| 82 | }
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| 83 | });
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| 84 | popup.add(item);
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| 85 | }
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| 86 | popup.show(b, b.getWidth(), 0);
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| 87 | }
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| 88 | }
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