added ok button to ElementOrderer

src/main/java/de/neemann/digital/gui/Main.java

@@ -344,7 +344,7 @@ public class Main extends JFrame implements ClosingWindowListener.ConfirmSave, E
             @Override
             public void actionPerformed(ActionEvent e) {
                 ElementOrder o = new ElementOrder(circuitComponent.getCircuit(), "In");
-                new ElementOrderer<>(Main.this, Lang.get("menu_orderInputs"), o).setVisible(true);
+                new ElementOrderer<>(Main.this, Lang.get("menu_orderInputs"), o).showDialog();
             }
         }.setToolTip(Lang.get("menu_orderInputs_tt"));
 
@@ -352,7 +352,7 @@ public class Main extends JFrame implements ClosingWindowListener.ConfirmSave, E
             @Override
             public void actionPerformed(ActionEvent e) {
                 ElementOrder o = new ElementOrder(circuitComponent.getCircuit(), "Out");
-                new ElementOrderer<>(Main.this, Lang.get("menu_orderOutputs"), o).setVisible(true);
+                new ElementOrderer<>(Main.this, Lang.get("menu_orderOutputs"), o).showDialog();
             }
         }.setToolTip(Lang.get("menu_orderOutputs_tt"));
 
@@ -513,8 +513,11 @@ public class Main extends JFrame implements ClosingWindowListener.ConfirmSave, E
                 names.add(s.getName());
             new OrderMerger<String, String>(circuitComponent.getCircuit().getMeasurementOrdering()).order(names);
             ElementOrderer.ListOrder<String> o = new ElementOrderer.ListOrder<>(names);
-            new ElementOrderer<>(Main.this, Lang.get("menu_orderMeasurements"), o).setVisible(true);
+            if (new ElementOrderer<>(Main.this, Lang.get("menu_orderMeasurements"), o)
+                    .addOkButton()
+                    .showDialog()) {
                 circuitComponent.getCircuit().setMeasurementOrdering(names);
+            }
         } catch (Exception e1) {
             showErrorAndStopModel(Lang.get("msg_errorCreatingModel"), e1);
         }

src/main/java/de/neemann/digital/gui/components/ElementOrderer.java

@@ -19,6 +19,13 @@ import java.util.ArrayList;
  */
 public class ElementOrderer<T> extends JDialog {
 
+    private final JPanel buttons;
+    private final JList<T> list;
+    private final MyListModel<T> listModel;
+    private final OrderInterface<T> data;
+
+    private boolean okPressed = true;
+
     /**
      * Creates a new instance
      *
@@ -27,27 +34,16 @@ public class ElementOrderer<T> extends JDialog {
      * @param data  the data to order
      */
     public ElementOrderer(Frame owner, String title, OrderInterface<T> data) {
-        this(owner, title, data, false);
-    }
-
-    /**
-     * Creates a new instance
-     *
-     * @param owner         the owner of this dialog
-     * @param title         the dialogs title
-     * @param data          the data to order
-     * @param deleteAllowed its allowed to delete items
-     */
-    public ElementOrderer(Frame owner, String title, OrderInterface<T> data, boolean deleteAllowed) {
         super(owner, title, true);
+        this.data = data;
         setDefaultCloseOperation(DISPOSE_ON_CLOSE);
 
-        MyListModel<T> listModel = new MyListModel<T>(data);
+        listModel = new MyListModel<T>(data);
-        JList list = new JList<T>(listModel);
+        list = new JList<T>(listModel);
         list.setPreferredSize(new Dimension(100, 150));
         getContentPane().add(new JScrollPane(list));
 
-        JPanel buttons = new JPanel();
+        buttons = new JPanel();
         buttons.setLayout(new BoxLayout(buttons, BoxLayout.Y_AXIS));
         buttons.add(new ToolTipAction("\u2191") {
             @Override
@@ -70,7 +66,35 @@ public class ElementOrderer<T> extends JDialog {
 
             }
         }.setToolTip(Lang.get("tt_moveItemDown")).createJButton());
-        if (deleteAllowed) {
+        getContentPane().add(buttons, BorderLayout.EAST);
+
+        setLocationRelativeTo(owner);
+    }
+
+    /**
+     * Called to add a ok button
+     *
+     * @return this for chained calls
+     */
+    public ElementOrderer<T> addOkButton() {
+        JButton okButton = new JButton(new AbstractAction(Lang.get("ok")) {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                okPressed = true;
+                dispose();
+            }
+        });
+        getContentPane().add(okButton, BorderLayout.SOUTH);
+        okPressed = false;
+        return this;
+    }
+
+    /**
+     * Called to add a delete button
+     *
+     * @return this for chained calls
+     */
+    public ElementOrderer<T> addDeleteButton() {
         buttons.add(new ToolTipAction("\u274C") {
             @Override
             public void actionPerformed(ActionEvent e) {
@@ -81,11 +105,18 @@ public class ElementOrderer<T> extends JDialog {
 
             }
         }.setToolTip(Lang.get("tt_deleteItem")).createJButton());
+        return this;
     }
-        getContentPane().add(buttons, BorderLayout.EAST);
 
+    /**
+     * Shows the dialog
+     *
+     * @return true if ok was pressed
+     */
+    public boolean showDialog() {
         pack();
-        setLocationRelativeTo(owner);
+        setVisible(true);
+        return okPressed;
     }
 
     /**

src/main/java/de/neemann/digital/gui/components/table/TableDialog.java

@@ -131,25 +131,33 @@ public class TableDialog extends JDialog {
             @Override
             public void actionPerformed(ActionEvent e) {
                 ReorderInputs ri = new ReorderInputs(model.getTable());
-                new ElementOrderer<>(parent, Lang.get("menu_table_inputs"), ri.getItems(), true).setVisible(true);
+                if (new ElementOrderer<>(parent, Lang.get("menu_table_inputs"), ri.getItems())
+                        .addDeleteButton()
+                        .addOkButton()
+                        .showDialog()) {
                     try {
                         setModel(new TruthTableTableModel(ri.reorder()));
                     } catch (ExpressionException e1) {
                         new ErrorMessage().addCause(e1).show(TableDialog.this);
                     }
                 }
+            }
         }.createJMenuItem());
         reorderMenu.add(new ToolTipAction(Lang.get("menu_table_outputs")) {
             @Override
             public void actionPerformed(ActionEvent e) {
                 ReorderOutputs ro = new ReorderOutputs(model.getTable());
-                new ElementOrderer<>(parent, Lang.get("menu_table_inputs"), ro.getItems(), true).setVisible(true);
+                if (new ElementOrderer<>(parent, Lang.get("menu_table_outputs"), ro.getItems())
+                        .addDeleteButton()
+                        .addOkButton()
+                        .showDialog()) {
                     try {
                         setModel(new TruthTableTableModel(ro.reorder()));
                     } catch (ExpressionException e1) {
                         new ErrorMessage().addCause(e1).show(TableDialog.this);
                     }
                 }
+            }
         }.createJMenuItem());
 
         JMenu colsMenu = new JMenu(Lang.get("menu_table_newColumns"));