git.gag.com Git - fw/altos/blob - altosui/AltosConfigFreqUI.java

   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package altosui;
  19
  20 import java.awt.*;
  21 import java.awt.event.*;
  22 import javax.swing.*;
  23 import java.util.*;
  24 import org.altusmetrum.AltosLib.*;
  25 import org.altusmetrum.altosuilib.*;
  26
  27 class AltosEditFreqUI extends AltosUIDialog implements ActionListener {
  28         Frame           frame;
  29         JTextField      frequency;
  30         JTextField      description;
  31         JButton         ok_button, cancel_button;
  32         boolean         got_ok;
  33
  34         public void actionPerformed(ActionEvent e) {
  35                 String  cmd = e.getActionCommand();
  36
  37                 if ("ok".equals(cmd)) {
  38                         got_ok = true;
  39                         setVisible(false);
  40                 }
  41                 if ("cancel".equals(cmd)) {
  42                         got_ok = false;
  43                         setVisible(false);
  44                 }
  45         }
  46
  47         public AltosFrequency get() {
  48                 if (!got_ok)
  49                         return null;
  50
  51                 String  f_s = frequency.getText();
  52                 String  d_s = description.getText();
  53
  54                 try {
  55                         double  f_d = Double.parseDouble(f_s);
  56
  57                         return new AltosFrequency(f_d, d_s);
  58                 } catch (NumberFormatException ne) {
  59                 }
  60                 return null;
  61         }
  62
  63         public AltosEditFreqUI(Frame in_frame, AltosFrequency existing) {
  64                 super(in_frame, true);
  65
  66                 got_ok = false;
  67                 frame = in_frame;
  68
  69                 Container pane = getContentPane();
  70                 pane.setLayout(new GridBagLayout());
  71
  72                 GridBagConstraints c = new GridBagConstraints();
  73                 c.insets = new Insets (4,4,4,4);
  74
  75                 c.fill = GridBagConstraints.NONE;
  76                 c.anchor = GridBagConstraints.WEST;
  77                 c.gridx = 0;
  78                 c.gridy = 0;
  79                 c.gridwidth = 1;
  80                 c.gridheight = 1;
  81                 c.weightx = 0;
  82                 c.weighty = 0;
  83                 pane.add(new JLabel("Frequency"), c);
  84
  85                 frequency = new JTextField(12);
  86                 c.fill = GridBagConstraints.NONE;
  87                 c.anchor = GridBagConstraints.WEST;
  88                 c.gridx = 1;
  89                 c.gridy = 0;
  90                 c.gridwidth = 1;
  91                 c.gridheight = 1;
  92                 c.weightx = 0;
  93                 c.weighty = 0;
  94                 pane.add(frequency, c);
  95
  96                 c.fill = GridBagConstraints.NONE;
  97                 c.anchor = GridBagConstraints.WEST;
  98                 c.gridx = 0;
  99                 c.gridy = 1;
 100                 c.gridwidth = 1;
 101                 c.gridheight = 1;
 102                 c.weightx = 0;
 103                 c.weighty = 0;
 104                 pane.add(new JLabel("Description"), c);
 105
 106                 description = new JTextField(12);
 107                 c.fill = GridBagConstraints.NONE;
 108                 c.anchor = GridBagConstraints.WEST;
 109                 c.gridx = 1;
 110                 c.gridy = 1;
 111                 c.gridwidth = 1;
 112                 c.gridheight = 1;
 113                 c.weightx = 0;
 114                 c.weighty = 0;
 115                 pane.add(description, c);
 116
 117                 ok_button = new JButton("OK");
 118                 ok_button.setActionCommand("ok");
 119                 ok_button.addActionListener(this);
 120                 c.fill = GridBagConstraints.NONE;
 121                 c.anchor = GridBagConstraints.WEST;
 122                 c.gridx = 0;
 123                 c.gridy = 2;
 124                 c.gridwidth = 1;
 125                 c.gridheight = 1;
 126                 c.weightx = 0;
 127                 c.weighty = 0;
 128                 pane.add(ok_button, c);
 129
 130                 cancel_button = new JButton("Cancel");
 131                 cancel_button.setActionCommand("cancel");
 132                 cancel_button.addActionListener(this);
 133                 c.fill = GridBagConstraints.NONE;
 134                 c.anchor = GridBagConstraints.WEST;
 135                 c.gridx = 1;
 136                 c.gridy = 2;
 137                 c.gridwidth = 1;
 138                 c.gridheight = 1;
 139                 c.weightx = 0;
 140                 c.weighty = 0;
 141                 pane.add(cancel_button, c);
 142
 143                 if (existing == null)
 144                         setTitle("Add New Frequency");
 145                 else {
 146                         setTitle("Edit Existing Frequency");
 147                         frequency.setText(String.format("%7.3f", existing.frequency));
 148                         description.setText(existing.description);
 149                 }
 150                 getRootPane().setDefaultButton(ok_button);
 151
 152                 pack();
 153                 setLocationRelativeTo(frame);
 154
 155         }
 156
 157         public AltosEditFreqUI(Frame in_frame) {
 158                 this(in_frame, (AltosFrequency) null);
 159         }
 160 }
 161
 162 public class AltosConfigFreqUI extends AltosUIDialog implements ActionListener {
 163
 164         Frame frame;
 165         LinkedList<ActionListener> listeners;
 166
 167         class FrequencyList extends JList {
 168                 DefaultListModel list_model;
 169
 170                 public void add(AltosFrequency frequency) {
 171                         int i;
 172                         for (i = 0; i < list_model.size(); i++) {
 173                                 AltosFrequency  f = (AltosFrequency) list_model.get(i);
 174                                 if (frequency.frequency == f.frequency)
 175                                         return;
 176                                 if (frequency.frequency < f.frequency)
 177                                         break;
 178                         }
 179                         list_model.insertElementAt(frequency, i);
 180                 }
 181
 182                 public void remove(AltosFrequency frequency) {
 183                         list_model.removeElement(frequency);
 184                 }
 185
 186                 //Subclass JList to workaround bug 4832765, which can cause the
 187                 //scroll pane to not let the user easily scroll up to the beginning
 188                 //of the list.  An alternative would be to set the unitIncrement
 189                 //of the JScrollBar to a fixed value. You wouldn't get the nice
 190                 //aligned scrolling, but it should work.
 191                 public int getScrollableUnitIncrement(Rectangle visibleRect,
 192                                                       int orientation,
 193                                                       int direction) {
 194                         int row;
 195                         if (orientation == SwingConstants.VERTICAL &&
 196                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
 197                                 Rectangle r = getCellBounds(row, row);
 198                                 if ((r.y == visibleRect.y) && (row != 0))  {
 199                                         Point loc = r.getLocation();
 200                                         loc.y--;
 201                                         int prevIndex = locationToIndex(loc);
 202                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
 203
 204                                         if (prevR == null || prevR.y >= r.y) {
 205                                                 return 0;
 206                                         }
 207                                         return prevR.height;
 208                                 }
 209                         }
 210                         return super.getScrollableUnitIncrement(
 211                                 visibleRect, orientation, direction);
 212                 }
 213
 214                 public AltosFrequency selected() {
 215                         AltosFrequency  f = (AltosFrequency) getSelectedValue();
 216                         return f;
 217                 }
 218
 219                 public AltosFrequency[] frequencies() {
 220                         AltosFrequency[]        ret;
 221
 222                         ret = new AltosFrequency[list_model.size()];
 223                         for (int i = 0; i < list_model.size(); i++)
 224                                 ret[i] = (AltosFrequency) list_model.get(i);
 225                         return ret;
 226                 }
 227
 228                 public FrequencyList(AltosFrequency[] in_frequencies) {
 229                         list_model = new DefaultListModel();
 230                         setModel(list_model);
 231                         setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
 232                         setLayoutOrientation(JList.HORIZONTAL_WRAP);
 233                         for (int i = 0; i < in_frequencies.length; i++) {
 234                                 add(in_frequencies[i]);
 235                         }
 236                         setVisibleRowCount(in_frequencies.length);
 237                 }
 238         }
 239
 240         FrequencyList   frequencies;
 241
 242         void save_frequencies() {
 243                 AltosUIPreferences.set_common_frequencies(frequencies.frequencies());
 244         }
 245
 246         JButton add, edit, remove;
 247
 248         JButton cancel, ok;
 249
 250         public void actionPerformed(ActionEvent e) {
 251                 String  cmd = e.getActionCommand();
 252
 253                 if ("ok".equals(cmd)) {
 254                         save_frequencies();
 255                         setVisible(false);
 256                 } else if ("cancel".equals(cmd)) {
 257                         setVisible(false);
 258                 } else if ("add".equals(cmd)) {
 259                         AltosEditFreqUI ui = new AltosEditFreqUI(frame);
 260                         ui.setVisible(true);
 261                         AltosFrequency  f = ui.get();
 262                         if (f != null)
 263                                 frequencies.add(f);
 264                 } else if ("edit".equals(cmd)) {
 265                         AltosFrequency  old_f = frequencies.selected();
 266                         if (old_f == null)
 267                                 return;
 268                         AltosEditFreqUI ui = new AltosEditFreqUI(frame, old_f);
 269                         ui.setVisible(true);
 270                         AltosFrequency  new_f = ui.get();
 271                         if (new_f != null) {
 272                                 if (old_f != null)
 273                                         frequencies.remove(old_f);
 274                                 frequencies.add(new_f);
 275                         }
 276                 } else if ("remove".equals(cmd)) {
 277                         AltosFrequency  old_f = frequencies.selected();
 278                         if (old_f == null)
 279                                 return;
 280                         int ret = JOptionPane.showConfirmDialog(this,
 281                                                                 String.format("Remove frequency \"%s\"?",
 282                                                                               old_f.toShortString()),
 283                                                                 "Remove Frequency",
 284                                                                 JOptionPane.YES_NO_OPTION);
 285                         if (ret == JOptionPane.YES_OPTION)
 286                                 frequencies.remove(old_f);
 287                 }
 288         }
 289
 290         public AltosFrequency[] frequencies() {
 291                 return frequencies.frequencies();
 292         }
 293
 294         public AltosConfigFreqUI(Frame in_frame,
 295                                  AltosFrequency[] in_frequencies) {
 296                 super(in_frame, "Manage Frequencies", true);
 297
 298                 frame = in_frame;
 299
 300                 listeners = new LinkedList<ActionListener>();
 301
 302                 frequencies = new FrequencyList(in_frequencies);
 303
 304                 Container pane = getContentPane();
 305                 pane.setLayout(new GridBagLayout());
 306
 307                 GridBagConstraints c = new GridBagConstraints();
 308                 c.insets = new Insets(4,4,4,4);
 309
 310                 /*
 311                  * Frequencies label and list
 312                  */
 313                 c.fill = GridBagConstraints.NONE;
 314                 c.anchor = GridBagConstraints.WEST;
 315                 c.gridx = 0;
 316                 c.gridy = 0;
 317                 c.gridwidth = 1;
 318                 c.gridheight = 1;
 319                 c.weightx = 0;
 320                 c.weighty = 0;
 321                 pane.add(new JLabel("Frequencies"), c);
 322
 323                 JScrollPane list_scroller = new JScrollPane(frequencies);
 324                 list_scroller.setAlignmentX(LEFT_ALIGNMENT);
 325                 c.fill = GridBagConstraints.BOTH;
 326                 c.anchor = GridBagConstraints.WEST;
 327                 c.gridx = 0;
 328                 c.gridy = 1;
 329                 c.gridwidth = 6;
 330                 c.gridheight = 2;
 331                 c.weightx = 1;
 332                 c.weighty = 1;
 333                 pane.add(list_scroller, c);
 334
 335                 add = new JButton("Add");
 336                 add.setActionCommand("add");
 337                 add.addActionListener(this);
 338                 c.fill = GridBagConstraints.NONE;
 339                 c.anchor = GridBagConstraints.CENTER;
 340                 c.gridx = 0;
 341                 c.gridy = 3;
 342                 c.gridwidth = 2;
 343                 c.gridheight = 1;
 344                 c.weightx = 0;
 345                 c.weighty = 0;
 346                 pane.add(add, c);
 347
 348                 edit = new JButton("Edit");
 349                 edit.setActionCommand("edit");
 350                 edit.addActionListener(this);
 351                 c.fill = GridBagConstraints.NONE;
 352                 c.anchor = GridBagConstraints.CENTER;
 353                 c.gridx = 2;
 354                 c.gridy = 3;
 355                 c.gridwidth = 2;
 356                 c.gridheight = 1;
 357                 c.weightx = 0;
 358                 c.weighty = 0;
 359                 pane.add(edit, c);
 360
 361                 remove = new JButton("Remove");
 362                 remove.setActionCommand("remove");
 363                 remove.addActionListener(this);
 364                 c.fill = GridBagConstraints.NONE;
 365                 c.anchor = GridBagConstraints.CENTER;
 366                 c.gridx = 4;
 367                 c.gridy = 3;
 368                 c.gridwidth = 2;
 369                 c.gridheight = 1;
 370                 c.weightx = 0;
 371                 c.weighty = 0;
 372                 pane.add(remove, c);
 373
 374                 ok = new JButton("OK");
 375                 ok.setActionCommand("ok");
 376                 ok.addActionListener(this);
 377                 c.fill = GridBagConstraints.NONE;
 378                 c.anchor = GridBagConstraints.CENTER;
 379                 c.gridx = 0;
 380                 c.gridy = 4;
 381                 c.gridwidth = 3;
 382                 c.gridheight = 1;
 383                 c.weightx = 0;
 384                 c.weighty = 0;
 385                 pane.add(ok, c);
 386
 387                 cancel = new JButton("Cancel");
 388                 cancel.setActionCommand("cancel");
 389                 cancel.addActionListener(this);
 390                 c.fill = GridBagConstraints.NONE;
 391                 c.anchor = GridBagConstraints.CENTER;
 392                 c.gridx = 3;
 393                 c.gridy = 4;
 394                 c.gridwidth = 3;
 395                 c.gridheight = 1;
 396                 c.weightx = 0;
 397                 c.weighty = 0;
 398                 pane.add(cancel, c);
 399
 400                 pack();
 401                 setLocationRelativeTo(frame);
 402         }
 403
 404         public static void show(Component frameComp) {
 405                 Frame   frame = JOptionPane.getFrameForComponent(frameComp);
 406                 AltosConfigFreqUI       dialog;
 407
 408                 dialog = new AltosConfigFreqUI(frame, AltosUIPreferences.common_frequencies());
 409                 dialog.setVisible(true);
 410         }
 411
 412 }