button handling

src/main/java/ch/spherICIT/components/statusbar/FSStatusBar.form

             <properties>
               <font name="Bahnschrift" size="12" style="0"/>
               <horizontalAlignment value="11"/>
-              <text value="Am Verbinden..."/>
+              <text value="Bereit"/>
             </properties>
           </component>
           <component id="e88e3" class="javax.swing.JProgressBar" binding="connectionStatePrgBar">
             </constraints>
             <properties>
               <foreground color="-16738404"/>
-              <indeterminate value="true"/>
+              <indeterminate value="false"/>
               <minimumSize width="80" height="20"/>
               <preferredSize width="80" height="20"/>
               <requestFocusEnabled value="false"/>
-              <string value="Aufbau..."/>
+              <string value=""/>
               <stringPainted value="true"/>
             </properties>
           </component>

src/main/java/ch/spherICIT/components/statusbar/FSStatusBar.java

         this.reconnectBtn.setVisible(false);
         this.portValueLbl.setText("    ");
         this.versionValueLbl.setText("      ");
-        if (connectionStateInfo.connectionState().equals(ConnectionState.CONNECTING)) {
+        this.connectionStatePrgBar.setIndeterminate(false);
+        if (connectionStateInfo.connectionState().equals(ConnectionState.READY)) {
+            this.connectionStateLbl.setText("Bereit");
+            this.connectionStatePrgBar.setString("");
+        } else if (connectionStateInfo.connectionState().equals(ConnectionState.CONNECTING)) {
             this.connectionStateLbl.setText("Am Verbinden...");
             this.connectionStatePrgBar.setString("Aufbau...");
             this.connectionStatePrgBar.setIndeterminate(true);
         } else if (connectionStateInfo.connectionState().equals(ConnectionState.CONNECTED)) {
             this.connectionStateLbl.setText("Verbunden!");
             this.connectionStatePrgBar.setString("OK!");
-            this.connectionStatePrgBar.setIndeterminate(false);
             this.connectionStatePrgBar.setValue(100);
             this.portValueLbl.setText(StringUtils.isEmpty(connectionStateInfo.port()) ? "    " : connectionStateInfo.port());
             this.versionValueLbl.setText(StringUtils.isEmpty(connectionStateInfo.version()) ? "      " : connectionStateInfo.version());
         } else {
             this.connectionStateLbl.setText("Zeitüberschreitung!");
             this.connectionStatePrgBar.setString("Nicht verbunden");
-            this.connectionStatePrgBar.setIndeterminate(false);
             this.connectionStatePrgBar.setValue(0);
             this.reconnectBtn.setVisible(true);
         }
         Font connectionStateLblFont = this.$$$getFont$$$("Bahnschrift", Font.PLAIN, 12, connectionStateLbl.getFont());
         if (connectionStateLblFont != null) connectionStateLbl.setFont(connectionStateLblFont);
         connectionStateLbl.setHorizontalAlignment(11);
-        connectionStateLbl.setText("Am Verbinden...");
+        connectionStateLbl.setText("Bereit");
         gbc = new GridBagConstraints();
         gbc.gridx = 0;
         gbc.gridy = 0;
         connectionStatePnl.add(connectionStateLbl, gbc);
         connectionStatePrgBar = new JProgressBar();
         connectionStatePrgBar.setForeground(new Color(-16738404));
-        connectionStatePrgBar.setIndeterminate(true);
+        connectionStatePrgBar.setIndeterminate(false);
         connectionStatePrgBar.setMinimumSize(new Dimension(80, 20));
         connectionStatePrgBar.setPreferredSize(new Dimension(80, 20));
         connectionStatePrgBar.setRequestFocusEnabled(false);
-        connectionStatePrgBar.setString("Aufbau...");
+        connectionStatePrgBar.setString("");
         connectionStatePrgBar.setStringPainted(true);
         gbc = new GridBagConstraints();
         gbc.gridx = 1;

src/main/java/ch/spherICIT/main/ConnectionState.java

 package ch.spherICIT.main;
 
 public enum ConnectionState {
-    CONNECTING, CONNECTED, TIMEOUT
+    READY, CONNECTING, CONNECTED, TIMEOUT
 }

src/main/java/ch/spherICIT/main/MainPanel.form

           <gridbag weightx="0.0" weighty="1.0"/>
         </constraints>
       </vspacer>
-      <component id="196b9" class="javax.swing.JComboBox" binding="serPortCboBox">
+      <component id="196b9" class="javax.swing.JComboBox" binding="serPortCboBox" custom-create="true">
         <constraints>
           <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="2" anchor="9" fill="1" indent="0" use-parent-layout="false"/>
           <gridbag top="10" left="0" bottom="10" right="10" weightx="0.0" weighty="0.0"/>
         <properties>
           <font name="Bahnschrift" size="14" style="0"/>
           <minimumSize width="120" height="32"/>
-          <model>
-            <item value="COM4"/>
-          </model>
+          <model/>
           <preferredSize width="120" height="32"/>
         </properties>
       </component>
         </constraints>
         <properties>
           <contentAreaFilled value="true"/>
+          <enabled value="false"/>
           <font name="Bahnschrift" size="14" style="0"/>
           <hideActionText value="false"/>
           <horizontalTextPosition value="0"/>
           <gridbag top="10" left="10" bottom="10" right="10" weightx="0.0" weighty="0.0"/>
         </constraints>
         <properties>
+          <enabled value="false"/>
           <font name="Bahnschrift" size="14" style="0"/>
           <label value="Schliessen"/>
           <minimumSize width="130" height="32"/>

src/main/java/ch/spherICIT/main/MainPanel.java

 package ch.spherICIT.main;
 
 import ch.spherICIT.components.switchbtn.SwitchButton;
+import com.fazecast.jSerialComm.SerialPort;
 
 import javax.swing.DefaultComboBoxModel;
 import javax.swing.ImageIcon;
 import java.awt.Insets;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.util.ArrayList;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Locale;
+import java.util.Optional;
 import java.util.Set;
 
 public class MainPanel {
 
     private JPanel mainPanel;
     private JLabel serPortLbl;
-    private JComboBox serPortCboBox;
+    private JComboBox<CommPort> serPortCboBox;
     private JButton serPortOpenBtn;
     private JButton serPortCloseBtn;
     private JButton setZeroAzBtn;
 
     private Set<IConnectionState> connectionStateListeners;
     private ActionListener reconnectActionListener;
+    private List<CommPort> commPorts;
 
     /**
      * Konstruktor.
     public MainPanel() {
         this.logWindow = new LogWindow();
         this.connectionStateListeners = new HashSet<>();
+        $$$setupUI$$$();
+        initCommPorts();
+
         this.reconnectActionListener = new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
         this.serPortOpenBtn.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                connectionStateListeners.iterator().next().connectionStateChanged(new ConnectionStateInfo(ConnectionState.CONNECTING, "", ""));
+//                connectionStateListeners.iterator().next().connectionStateChanged(new ConnectionStateInfo(ConnectionState.CONNECTING, "", ""));
+                getSelectedCommPort().get().getSerialPort().get().openPort();
+                serPortOpenBtn.setEnabled(false);
+                serPortCloseBtn.setEnabled(true);
             }
         });
-        serPortCloseBtn.addActionListener(new ActionListener() {
+        this.serPortCloseBtn.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                connectionStateListeners.iterator().next().connectionStateChanged(new ConnectionStateInfo(ConnectionState.CONNECTED, "COM4", "v1.2.0"));
+//                connectionStateListeners.iterator().next().connectionStateChanged(new ConnectionStateInfo(ConnectionState.CONNECTED, "COM4", "v1.2.0"));
+                getSelectedCommPort().get().getSerialPort().get().closePort();
+                serPortOpenBtn.setEnabled(true);
+                serPortCloseBtn.setEnabled(false);
             }
         });
-        setZeroAzBtn.addActionListener(new ActionListener() {
+        this.setZeroAzBtn.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 connectionStateListeners.iterator().next().connectionStateChanged(new ConnectionStateInfo(ConnectionState.TIMEOUT, "", ""));
             }
         });
-        logWindowBtn.addActionListener(new ActionListener() {
+        this.logWindowBtn.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 logWindow.setVisible(true);
         });
     }
 
+    private void initCommPorts() {
+        this.commPorts = new ArrayList<>();
+        this.commPorts.add(new CommPort(null));
+        for (SerialPort serialPort : SerialPort.getCommPorts()) {
+            this.commPorts.add(new CommPort(serialPort));
+        }
+        this.serPortCboBox.setModel(new DefaultComboBoxModel(this.commPorts.toArray()));
+        serPortCboBox.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent e) {
+                Optional<CommPort> selCommPortOptional = getSelectedCommPort();
+                if (selCommPortOptional.isPresent() && selCommPortOptional.get().getSerialPort().isPresent()) {
+                    selCommPortOptional.get().getSerialPort().get().openPort();
+                    serPortOpenBtn.setEnabled(false);
+                    serPortCloseBtn.setEnabled(true);
+                } else {
+                    for (IConnectionState listener : connectionStateListeners) {
+                        listener.connectionStateChanged(new ConnectionStateInfo(ConnectionState.READY, null, null));
+                        serPortOpenBtn.setEnabled(false);
+                        serPortCloseBtn.setEnabled(false);
+
+                    }
+                }
+            }
+        });
+        this.serPortCboBox.setSelectedIndex(-1);
+    }
+
     public void registerConnectionStateListener(IConnectionState connectionStateListener) {
         this.connectionStateListeners.add(connectionStateListener);
     }
         return reconnectActionListener;
     }
 
+    private Optional<CommPort> getSelectedCommPort() {
+        return this.serPortCboBox.getSelectedIndex() != -1 ? Optional.of(this.serPortCboBox.getItemAt(this.serPortCboBox.getSelectedIndex())) : Optional.empty();
+    }
 
-    {
-// GUI initializer generated by IntelliJ IDEA GUI Designer
-// >>> IMPORTANT!! <<<
-// DO NOT EDIT OR ADD ANY CODE HERE!
-        $$$setupUI$$$();
+    private void createUIComponents() {
+        this.serPortCboBox = new JComboBox<>();
+    }
+
+
+    private class CommPort {
+
+        private SerialPort serialPort;
+
+        /**
+         * Constructor
+         *
+         * @param serialPort serial port from JSerialComm
+         */
+        public CommPort(SerialPort serialPort) {
+            this.serialPort = serialPort;
+        }
+
+        public Optional<SerialPort> getSerialPort() {
+            return this.serialPort != null ? Optional.of(this.serialPort) : Optional.empty();
+        }
+
+        @Override
+        public String toString() {
+            return this.serialPort != null ? this.serialPort.getSystemPortName() : "";
+        }
     }
 
     /**
      * @noinspection ALL
      */
     private void $$$setupUI$$$() {
+        createUIComponents();
         mainPanel = new JPanel();
         mainPanel.setLayout(new GridBagLayout());
         final JPanel spacer1 = new JPanel();
         gbc.weighty = 1.0;
         gbc.fill = GridBagConstraints.VERTICAL;
         mainPanel.add(spacer2, gbc);
-        serPortCboBox = new JComboBox();
         Font serPortCboBoxFont = this.$$$getFont$$$("Bahnschrift", Font.PLAIN, 14, serPortCboBox.getFont());
         if (serPortCboBoxFont != null) serPortCboBox.setFont(serPortCboBoxFont);
         serPortCboBox.setMinimumSize(new Dimension(120, 32));
         final DefaultComboBoxModel defaultComboBoxModel1 = new DefaultComboBoxModel();
-        defaultComboBoxModel1.addElement("COM4");
         serPortCboBox.setModel(defaultComboBoxModel1);
         serPortCboBox.setPreferredSize(new Dimension(120, 32));
         gbc = new GridBagConstraints();
         mainPanel.add(serPortCboBox, gbc);
         serPortOpenBtn = new JButton();
         serPortOpenBtn.setContentAreaFilled(true);
+        serPortOpenBtn.setEnabled(false);
         Font serPortOpenBtnFont = this.$$$getFont$$$("Bahnschrift", Font.PLAIN, 14, serPortOpenBtn.getFont());
         if (serPortOpenBtnFont != null) serPortOpenBtn.setFont(serPortOpenBtnFont);
         serPortOpenBtn.setHideActionText(false);
         gbc.insets = new Insets(10, 10, 10, 10);
         mainPanel.add(serPortOpenBtn, gbc);
         serPortCloseBtn = new JButton();
+        serPortCloseBtn.setEnabled(false);
         Font serPortCloseBtnFont = this.$$$getFont$$$("Bahnschrift", Font.PLAIN, 14, serPortCloseBtn.getFont());
         if (serPortCloseBtnFont != null) serPortCloseBtn.setFont(serPortCloseBtnFont);
         serPortCloseBtn.setLabel("Schliessen");