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