resolve some TODOs with the channel table

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/channels/ChannelTable.java

@@ -15,6 +15,9 @@
 import java.util.ArrayList;
 import java.util.Objects;
 
+/**
+ * This is the JTable ui element for channel settings.
+ */
 public class ChannelTable extends JScrollPane {
 
     private JTable table_;
@@ -39,11 +42,9 @@ public ChannelTable(final LightSheetManager model) {
         TableColumn column = table_.getColumnModel().getColumn(1);
         cmbPresets_ = new JComboBox<>();
 
-        final String[] presets = getAllPresets(channelGroup);
-        for (String preset : presets) {
-            cmbPresets_.addItem(preset);
-        }
-        //cmbPresets_.setSelectedItem(presets[0]);
+        // update presets
+        updatePresetComboBoxes(channelGroup);
+
         column.setCellEditor(new DefaultCellEditor(cmbPresets_));
 
         // cancel JTable edits when focus is lost to prevent errors
@@ -88,26 +89,22 @@ public JTable getTable() {
     *
     * @param channelGroup the channel group
     */
-    public void updatePresetComboBox(final String channelGroup) {
-        final String[] presets = getAllPresets(channelGroup);
+    public void updatePresetComboBoxes(final String channelGroup) {
+        final String[] presets = getChannelGroupPresets(channelGroup);
         cmbPresets_.removeAllItems();
         for (String preset : presets) {
             cmbPresets_.addItem(preset);
         }
         cmbPresets_.setSelectedItem(channelGroup);
     }
 
-//    public void updateAvailableChannelConfigs(final String channelGroup) {
-//
-//    }
-
     // TODO: probably should be in the model
-    private String[] getAllPresets(final String configGroup) {
+    private String[] getChannelGroupPresets(final String configGroup) {
         return model_.studio().core().getAvailableConfigs(configGroup).toArray();
     }
 
     // TODO: probably should be in the model
-    public String[] getAvailableGroups() {
+    public String[] getChannelGroups() {
         // get all channel groups
         StrVector channelGroups;
         try {
@@ -120,13 +117,13 @@ public String[] getAvailableGroups() {
         // filter channel groups
         ArrayList<String> groups = new ArrayList<>();
         for (String group : channelGroups) {
-//            StrVector st = model_.studio().core().getAvailableConfigGroups();
-//            for (String s : st)
-//                System.out.println(s);
             // a channel group must have multiple presets to be detected
             if (model_.studio().core().getAvailableConfigs(group).size() > 1) {
                 groups.add(group);
             }
+//            StrVector st = model_.studio().core().getAvailableConfigGroups();
+//            for (String s : st)
+//                System.out.println(s);
         }
         return groups.toArray(String[]::new);
     }

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/channels/ChannelTableModel.java

@@ -57,12 +57,10 @@ public Object getValueAt(int row, int col) {
             case 2:
                 return channelSpec.getOffset();
             default:
-                return null; // FIXME: is this okay? raise exception?
+                throw new IllegalArgumentException("Invalid column index: " + col);
         }
     }
 
-    // TODO: is if (value instanceof Boolean) { needed?
-
     @Override
     public void setValueAt(Object value, int row, int col) {
         ChannelSpec channelSpec = tableData_.getChannelByIndex(row);
@@ -83,8 +81,7 @@ public void setValueAt(Object value, int row, int col) {
                 }
                 break;
             default:
-                // FIXME: is this okay? raise exception?
-                break;
+                throw new IllegalArgumentException("Invalid column index: " + col);
         }
         fireTableCellUpdated(row, col);
     }

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/channels/ChannelTablePanel.java

@@ -11,6 +11,9 @@
 import javax.swing.JLabel;
 import java.util.Objects;
 
+/**
+ * This panel contains the ChannelTable and controls.
+ */
 public class ChannelTablePanel extends Panel {
 
     private JLabel lblChannelGroup_;
@@ -47,7 +50,7 @@ private void createUserInterface() {
         btnRemoveChannel_.setToolTipText("Remove the currently selected channel from the table.");
         btnRefresh_.setToolTipText("Refresh the channel panel with the latest configuration groups settings.");
 
-        final String[] groupLabels = table_.getAvailableGroups();
+        final String[] groupLabels = table_.getChannelGroups();
         cmbChannelGroup_ = new ComboBox(groupLabels,
                 model_.acquisitions().settings().channelGroup(),
                 120, 22);
@@ -71,7 +74,7 @@ private void createEventHandlers() {
         // select channel group
         cmbChannelGroup_.registerListener(e -> {
             final String channelGroup = cmbChannelGroup_.getSelected();
-            table_.updatePresetComboBox(channelGroup);
+            table_.updatePresetComboBoxes(channelGroup);
             table_.getData().setChannels(channelGroup, model_.acquisitions().settings().channels());
             table_.getData().setChannelGroup(channelGroup);
             model_.acquisitions().settingsBuilder().channelGroup(channelGroup);
@@ -108,7 +111,7 @@ private void createEventHandlers() {
         // refresh channel table
         btnRefresh_.registerListener(e -> {
             final String channelGroup = model_.acquisitions().settings().channelGroup();
-            final String[] groups = table_.getAvailableGroups();
+            final String[] groups = table_.getChannelGroups();
             cmbChannelGroup_.removeAllItems();
             for (String group : groups) {
                 cmbChannelGroup_.addItem(group);
@@ -117,7 +120,7 @@ private void createEventHandlers() {
                     cmbChannelGroup_.setSelectedItem(channelGroup);
                 }
             }
-            table_.updatePresetComboBox(channelGroup);
+            table_.updatePresetComboBoxes(channelGroup);
             cmbChannelGroup_.updateUI();
         });
 

src/main/java/org/micromanager/lightsheetmanager/model/channels/ChannelTableData.java

@@ -1,7 +1,6 @@
 package org.micromanager.lightsheetmanager.model.channels;
 
 import java.util.ArrayList;
-import java.util.Collections;
 
 /**
  * The data model's internal representation of the channel table.
@@ -19,8 +18,6 @@ public ChannelTableData() {
     public ChannelTableData(final String channelGroup, final ChannelSpec[] allChannels) {
         channels_ = new ArrayList<>();
         setChannels(channelGroup, allChannels);
-        //channelGroup_ = channelGroup;
-        //Collections.addAll(channels_, allChannels);
     }
 
     public ChannelSpec getChannelByIndex(final int index) {