Add tooltips, fix javadocs and remove unused imports

src/main/java/org/micromanager/lightsheetmanager/gui/components/RadioButton.java

@@ -49,6 +49,12 @@ public void setEnabled(final boolean state) {
             button.setEnabled(state);
         }
     }
+
+    public void setToolTipText(final String text) {
+        for (final JRadioButton button : buttons) {
+            button.setToolTipText(text);
+        }
+    }
     private void addRadioButton(final String text) {
         final JRadioButton button = new JRadioButton(text);
         final Font font = new Font(Font.SANS_SERIF, Font.PLAIN, 12);

src/main/java/org/micromanager/lightsheetmanager/gui/playlist/AcquisitionTableFrame.java

@@ -577,7 +577,7 @@ private void setupAcquisitionAndRun(final AcquisitionMetadata data) {
 //                final List<AcquisitionMetadata> metadata =
 //                        acqTable_.getTableData().getMetadataList();
 //
-//                // run each aquisition in sequence
+//                // run each acquisition in sequence
 //                int acqIndex = 0;
 //                boolean allAcqsDone = false;
 //                while (!allAcqsDone) {

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/AcquisitionTab.java

@@ -167,6 +167,9 @@ private void createUserInterface() {
                 + "or stop the running one.");
         btnTestAcquisition_.setToolTipText(
                 "Run one time point with the current settings, without saving the images.");
+        btnPauseAcquisition_.setToolTipText("Pause or resume the running acquisition.");
+        btnOpenPlaylist_.setToolTipText(
+                "Open the playlist to run a sequence of acquisitions.");
 
         final boolean channelsEnabled = settings.channels().enabled();
         cbxUseChannels_ = new CheckBox("Channels", channelsEnabled);

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/CameraTab.java

@@ -55,6 +55,7 @@ private void createUserInterface() {
         final Panel pnlBinning = new Panel("Binning");
 
         cmbBinning_ = new ComboBox<>(new String[0], null, 80, 20);
+        cmbBinning_.setToolTipText("Set the binning of every active imaging camera.");
         lblBinningState_ = new JLabel(" ");
 
         pnlBinning.add(new JLabel("Active imaging cameras:"), "wrap");

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/acquisition/CameraPanel.java

@@ -72,6 +72,8 @@ private void createUserInterface() {
 
         // simultaneous camera settings
         radPrimaryCamera_ = new RadioButton(cameraNames, primaryCamera, RadioButton.VERTICAL);
+        radPrimaryCamera_.setToolTipText("The first camera in the acquisition. "
+                + "Live mode shows this camera and the slice timing is computed from it.");
 
         // active check boxes
         final Panel pnlCheckboxes = new Panel();

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/acquisition/PositionPanel.java

@@ -44,6 +44,8 @@ private void createUserInterface() {
         btnEditPositionList_ = new Button("Edit Position List...", 130, 24);
         btnOpenXYZGrid_ = new Button("XYZ Grid...", 90, 24);
         btnEditPositionList_.setToolTipText("Open the Micro-Manager position list editor.");
+        spnPostMoveDelay_.setToolTipText(
+                "Time to wait after moving to each position before acquiring there.");
 
         add(btnEditPositionList_, "");
         add(btnOpenXYZGrid_, "wrap");

src/main/java/org/micromanager/lightsheetmanager/gui/tabs/acquisition/SavePanel.java

@@ -202,7 +202,8 @@ public void createEventHandlers() {
 
         txtSaveFileName_.registerValidationListener(BaseAcquisitionSettings::saveNamePrefixProblem,
                 problem -> {
-                    txtSaveFileName_.setToolTipText(problem);
+                    txtSaveFileName_.setToolTipText(
+                            problem == null ? "Name for the saved images." : problem);
                     if (problem == null) {
                         model_.acquisitions().settingsBuilder()
                                 .saveNamePrefix(txtSaveFileName_.getText());

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

@@ -5,7 +5,6 @@
 
 import javax.swing.table.AbstractTableModel;
 import java.util.Objects;
-import java.util.function.Consumer;
 
 public class ChannelTableModel extends AbstractTableModel {
 

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

@@ -81,6 +81,10 @@ private void createUserInterface() {
             lastChannelMode_ = ChannelMode.VOLUME;
         }
         cmbChannelMode_ = new ComboBox<>(ChannelMode.values(), lastChannelMode_, 140, 22);
+        cmbChannelGroup_.setToolTipText(
+                "Micro-Manager configuration group the channel presets come from.");
+        cmbChannelMode_.setToolTipText("How often the channel changes, and whether the "
+                + "software or the controller switches it.");
 
         add(lblChannelGroup_, "split 2");
         add(cmbChannelGroup_, "wrap");

src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngineScape.java

@@ -17,7 +17,6 @@
 import org.micromanager.data.Datastore;
 import org.micromanager.data.SummaryMetadata;
 import org.micromanager.data.internal.DefaultDatastore;
-import org.micromanager.data.internal.DefaultSummaryMetadata;
 import org.micromanager.data.internal.PropertyKey;
 import org.micromanager.display.DataViewer;
 import org.micromanager.display.DataViewerListener;

src/main/java/org/micromanager/lightsheetmanager/model/playlist/AcquisitionTableData.java

@@ -166,9 +166,9 @@ public void renamePositionList(final String oldName, final String newName) {
     }
 
     /**
-     * Returns an unordered array of all position list names.
+     * Returns an unordered array of all acquisition settings names.
      *
-     * @return an unordered array of all position list names
+     * @return an unordered array of all acquisition settings names
      */
     public String[] getAcquisitionNames() {
         final Set<String> keys = settings_.keySet();
@@ -185,9 +185,9 @@ public String[] getAcquisitionNames() {
 //    }
 
     /**
-     * Returns array of all acquisition settings names.
+     * Returns array of all position list names.
      *
-     * @return an array of all acquisition settings names.
+     * @return an array of all position list names.
      */
     public String[] getPositionListNames() {
         final Set<String> keys = positions_.keySet();
@@ -272,7 +272,7 @@ public PositionList getPositionList(final String name) {
 
     /**
      * Sets the positionListName in the metadata, used when selecting values
-     * with the AcquistionTablePositionList.
+     * with the AcquisitionTablePositionList.
      *
      * @param row the selected row
      * @param name the new name

src/main/java/org/micromanager/lightsheetmanager/model/utils/StageScanUtils.java

@@ -36,8 +36,10 @@ public static int computeScanChannelsPerPass(final ScapeAcquisitionSettings sett
      * Compute appropriate acceleration time in ms for the specified motor speed.
      * Set to be 10ms + 0-100ms depending on relative speed to max, all scaled by factor specified on the settings panel
      *
-     * @param motorSpeed
-     * @return
+     * @param motorSpeed the scan speed in mm/s
+     * @param maxMotorSpeed the maximum speed of the stage in mm/s
+     * @param stageScanAccelFactor the factor specified on the settings panel
+     * @return the acceleration time in ms
      */
     public static double computeScanAcceleration(final double motorSpeed, final double maxMotorSpeed, final double stageScanAccelFactor) {
         return (10 + 100 * (motorSpeed / maxMotorSpeed)) * stageScanAccelFactor;