git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/gui/components/compass/CompassSelectionButton.java

   1 package net.sf.openrocket.gui.components.compass;
   2
   3 import java.awt.Dimension;
   4 import java.awt.event.ActionEvent;
   5 import java.awt.event.ActionListener;
   6
   7 import javax.swing.BorderFactory;
   8 import javax.swing.JButton;
   9 import javax.swing.JLabel;
  10 import javax.swing.JPanel;
  11 import javax.swing.JPopupMenu;
  12 import javax.swing.JSpinner;
  13 import javax.swing.border.BevelBorder;
  14 import javax.swing.event.ChangeEvent;
  15 import javax.swing.event.ChangeListener;
  16
  17 import net.miginfocom.swing.MigLayout;
  18 import net.sf.openrocket.gui.Resettable;
  19 import net.sf.openrocket.gui.adaptors.DoubleModel;
  20 import net.sf.openrocket.gui.components.FlatButton;
  21 import net.sf.openrocket.l10n.Translator;
  22 import net.sf.openrocket.startup.Application;
  23 import net.sf.openrocket.util.Chars;
  24 import net.sf.openrocket.util.MathUtil;
  25
  26
  27 /**
  28  * A button that displays a current compass direction and opens a popup to edit
  29  * the value when clicked.
  30  *
  31  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  32  */
  33 public class CompassSelectionButton extends FlatButton implements Resettable {
  34
  35         private static final Translator trans = Application.getTranslator();
  36
  37         private static final int POPUP_COMPASS_SIZE = 200;
  38         private static final double SECTOR = 45;
  39
  40         private static int minWidth = -1;
  41
  42
  43         private final DoubleModel model;
  44         private final ChangeListener listener;
  45
  46         private JPopupMenu popup;
  47
  48
  49         public CompassSelectionButton(final DoubleModel model) {
  50                 this.model = model;
  51
  52                 JPanel panel = new JPanel(new MigLayout("fill, ins 0"));
  53                 panel.setOpaque(false);
  54
  55                 CompassPointer pointer = new CompassPointer(model);
  56                 pointer.setPreferredSize(new Dimension(24, 24));
  57                 pointer.setMarkerFont(null);
  58                 pointer.setPointerArrow(false);
  59                 pointer.setPointerWidth(0.45f);
  60                 pointer.setScaler(1.0f);
  61                 panel.add(pointer, "gapright rel");
  62
  63
  64                 final JLabel label = new JLabel();
  65                 label.setText(getLabel(model.getValue()));
  66                 panel.add(label);
  67
  68                 listener = new ChangeListener() {
  69                         @Override
  70                         public void stateChanged(ChangeEvent e) {
  71                                 label.setText(getLabel(model.getValue()));
  72                         }
  73                 };
  74                 model.addChangeListener(listener);
  75
  76
  77                 if (minWidth < 0) {
  78                         calculateMinWidth();
  79                         label.setMinimumSize(new Dimension(minWidth, 0));
  80                 }
  81
  82
  83                 this.add(panel);
  84
  85                 this.addActionListener(new ActionListener() {
  86                         @Override
  87                         public void actionPerformed(ActionEvent e) {
  88                                 openPopup();
  89                         }
  90                 });
  91         }
  92
  93
  94
  95
  96         private String getLabel(double value) {
  97                 String str;
  98
  99                 value = MathUtil.reduce360(value);
 100                 value = Math.toDegrees(value);
 101                 str = "" + Math.round(value) + Chars.DEGREE + " (";
 102
 103                 if (value <= 0.5 * SECTOR || value >= 7.5 * SECTOR) {
 104                         str += trans.get("lbl.N");
 105                 } else if (value <= 1.5 * SECTOR) {
 106                         str += trans.get("lbl.NE");
 107                 } else if (value <= 2.5 * SECTOR) {
 108                         str += trans.get("lbl.E");
 109                 } else if (value <= 3.5 * SECTOR) {
 110                         str += trans.get("lbl.SE");
 111                 } else if (value <= 4.5 * SECTOR) {
 112                         str += trans.get("lbl.S");
 113                 } else if (value <= 5.5 * SECTOR) {
 114                         str += trans.get("lbl.SW");
 115                 } else if (value <= 6.5 * SECTOR) {
 116                         str += trans.get("lbl.W");
 117                 } else {
 118                         str += trans.get("lbl.NW");
 119                 }
 120
 121                 str += ")";
 122                 return str;
 123         }
 124
 125
 126         private void openPopup() {
 127                 if (popup == null) {
 128                         popup = new JPopupMenu();
 129
 130
 131                         final JPanel panel = new JPanel(new MigLayout("fill"));
 132
 133                         final CompassPointer rose = new CompassSelector(model);
 134                         rose.setPreferredSize(new Dimension(POPUP_COMPASS_SIZE, POPUP_COMPASS_SIZE));
 135                         panel.add(rose, "spany, gapright unrel");
 136
 137                         panel.add(new JPanel(), "growy, wrap");
 138
 139                         JSpinner spin = new JSpinner(model.getSpinnerModel());
 140                         panel.add(spin, "wmin 50lp, growx, gapright 0, aligny bottom");
 141
 142                         panel.add(new JLabel("" + Chars.DEGREE), "wrap para");
 143
 144                         JButton close = new JButton("OK");
 145                         close.addActionListener(new ActionListener() {
 146                                 @Override
 147                                 public void actionPerformed(ActionEvent e) {
 148                                         popup.setVisible(false);
 149                                 }
 150                         });
 151                         panel.add(close, "span 2, growx, wrap");
 152
 153                         panel.add(new JPanel(), "growy, wrap");
 154
 155                         popup.add(panel);
 156                         popup.setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED));
 157                 }
 158
 159                 popup.pack();
 160
 161                 Dimension popupSize = popup.getPreferredSize();
 162                 Dimension buttonSize = this.getSize();
 163
 164                 int posX = buttonSize.width / 2 - popupSize.width / 2;
 165                 int posY = buttonSize.height / 2 - popupSize.height / 2;
 166                 popup.show(this, posX, posY);
 167         }
 168
 169         private void calculateMinWidth() {
 170                 JLabel label = new JLabel();
 171                 int max = 0;
 172                 for (double deg = 0; deg < 360; deg += 0.99999999999) {
 173                         label.setText(getLabel(Math.toRadians(deg)));
 174                         int w = label.getPreferredSize().width;
 175                         if (w > max) {
 176                                 max = w;
 177                         }
 178                 }
 179                 minWidth = max + 1;
 180         }
 181
 182
 183
 184
 185         @Override
 186         public void resetModel() {
 187                 model.removeChangeListener(listener);
 188         }
 189
 190 }