Misleading parameter replaced in the method signature

GUI/src/main/java/cz/fidentis/analyst/core/ControlPanelBuilder.java

@@ -461,10 +461,11 @@ public class ControlPanelBuilder {
     public JTextField addSliderWithVal(int max, ActionListener inputAction) {
         JSlider slider = addSlider(max);
         
-        IntValueRange range = max == -1 ? null : new IntValueRange(0, max);
+        boolean percentageSlider = max == -1;
+        IntValueRange range = percentageSlider ? null : new IntValueRange(0, max);
         JTextField inputField = addFormattedInputField(range, inputAction);
         
-        connectSliderWithTextField(slider, inputField, max);
+        connectSliderWithTextField(slider, inputField, percentageSlider);
         
         return inputField;
     }
@@ -483,10 +484,11 @@ public class ControlPanelBuilder {
     public JTextField addSliderButtonedWithVal(int max, double stepSize, ActionListener inputAction) {
         JSlider slider = addSlider(max);
         
-        IntValueRange range = max == -1 ? null : new IntValueRange(0, max);
+        boolean percentageSlider = max == -1;
+        IntValueRange range = percentageSlider ? null : new IntValueRange(0, max);
         JTextField inputField = addFormattedInputFieldButtoned(range, stepSize, inputAction);
         
-        connectSliderWithTextField(slider, inputField, max);
+        connectSliderWithTextField(slider, inputField, percentageSlider);
         
         return inputField;
     }
@@ -497,12 +499,15 @@ public class ControlPanelBuilder {
      * 
      * @param slider Slider to be associated with the given text field.
      * @param inputField Text field to be associated with the given slider.
-     * @param max Max value of the slider (and the text field).
-     *            If {@code -1}, then percentage slider is used with 100 as the max. value.
+     * @param percentage If {@code true}, the slider is treated as a percentage slider
+     *                   with 100 as the maximum value. The text field then treats
+     *                   the percentual values as <b>decimal</b> numbers from the interval [0,1].<br>
+     *                   If {@code false}, the slider works with <b>integer</b> values
+     *                   from the interval [0,{@code max}] and so does the text field.
      */
-    private void connectSliderWithTextField(JSlider slider, JTextField inputField, int max) {
+    private void connectSliderWithTextField(JSlider slider, JTextField inputField, boolean percentage) {
         slider.addChangeListener((ChangeEvent ce) -> {
-            if (max == -1) {
+            if (percentage) {
                 inputField.setText(doubleToStringLocale(slider.getValue() / 100.0));
             } else {
                 inputField.setText(intToStringLocale(slider.getValue()));
@@ -544,7 +549,7 @@ public class ControlPanelBuilder {
         );
         
         inputField.addActionListener((ActionEvent ae) -> {
-            if (max == -1) { // percents in [0,1]
+            if (percentage) { // percents in [0,1]
                 slider.setValue((int) (parseLocaleDouble(inputField) * 100));
             } else { // integers
                 slider.setValue(parseLocaleInt(inputField));