init commit

src/com/rkcsd/apps/demo/gui/MainWindow.java

@@ -0,0 +1,94 @@
+package com.rkcsd.apps.demo.gui;
+
+import com.rkcsd.apps.demo.main.Calculator;
+import com.rkcsd.apps.demo.main.Main;
+import com.rkcsd.apps.demo.main.StringToNumberConverter;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JTextField;
+
+public class MainWindow extends JFrame {
+
+    private JTextField input1;
+    private JTextField input2;
+
+    private JLabel text;
+
+    private JButton btnPrinterList;
+    private JButton btnAdminPanel;
+    private JButton btnExit;
+
+    private JComboBox cbx;
+
+    public MainWindow() {
+        super("Meine Anwendung");
+        this.setSize(1000, 500);
+
+        this.setLayout(null);
+
+        btnPrinterList = new JButton("DL Anzeigen");
+        btnPrinterList.setBounds(10, 210, 500, 20);
+        btnPrinterList.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+
+                PrinterListWindow secondWindow = new PrinterListWindow(MainWindow.this);
+
+            }
+
+        });
+        this.add(btnPrinterList);
+
+        btnAdminPanel = new JButton("Admin Panel öffnen");
+        btnAdminPanel.setBounds(10, 105, 500, 20);
+        btnAdminPanel.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+
+                MainWindow second = new MainWindow();
+
+            }
+
+        });
+        this.add(btnAdminPanel);
+
+        btnExit = new JButton("Beenden");
+        btnExit.setBounds(500, 315, 500, 20);
+        btnExit.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+
+            System.exit(0);
+
+            }
+
+        });
+        this.add(btnExit);
+
+        this.setVisible(true);
+    }
+
+    private void doAction() {
+        StringToNumberConverter stnc1 = new StringToNumberConverter(input1.getText());
+        StringToNumberConverter stnc2 = new StringToNumberConverter(input2.getText());
+
+        double d1 = stnc1.doConversion();
+        double d2 = stnc2.doConversion();
+
+        if (stnc1.hasError() || stnc2.hasError()) {
+            JOptionPane.showMessageDialog(MainWindow.this,
+                    "Da ging wohl was schief");
+        } else {
+            Calculator calc = new Calculator(d1, d2);
+            if (cbx.getSelectedItem().equals("+")) {
+                calc.doAdd();
+            } else if (cbx.getSelectedItem().equals("-")) {
+                calc.doSubtract();
+            }
+            JOptionPane.showMessageDialog(MainWindow.this,
+                    "Das Ergebnis lautet: " + calc.getResult());
+        }
+    }
+}

src/com/rkcsd/apps/demo/gui/MainWindowOld.java

@@ -0,0 +1,87 @@
+package com.rkcsd.apps.demo.gui;
+
+import com.rkcsd.apps.demo.main.Calculator;
+import com.rkcsd.apps.demo.main.StringToNumberConverter;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JTextField;
+
+public class MainWindowOld extends JFrame {
+
+    private JTextField input1;
+    private JTextField input2;
+
+    private JLabel text;
+
+    private JButton action;
+
+    private JComboBox cbx;
+
+    public MainWindowOld() {
+        super("Meine Anwendung");
+        this.setSize(1000, 500);
+
+        this.setLayout(null);
+
+        text = new JLabel("Bitte geben Sie etwas ein:");
+        text.setBounds(10, 10, 500, 20);
+        this.add(text);
+
+        input1 = new JTextField();
+        input1.setBounds(10, 60, 500, 20);
+        this.add(input1);
+
+        input2 = new JTextField();
+        input2.setBounds(10, 110, 500, 20);
+        this.add(input2);
+
+        cbx = new JComboBox();
+        cbx.setBounds(10, 160, 500, 20);
+        cbx.addItem("+");
+        cbx.addItem("-");
+        this.add(cbx);
+
+        action = new JButton("Beschriftung");
+        action.setBounds(10, 210, 500, 20);
+        action.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+
+                MainWindowOld.this.doAction();
+
+            }
+
+        });
+        this.add(action);
+
+
+
+        this.setVisible(true);
+    }
+
+    private void doAction() {
+        StringToNumberConverter stnc1 = new StringToNumberConverter(input1.getText());
+        StringToNumberConverter stnc2 = new StringToNumberConverter(input2.getText());
+
+        double d1 = stnc1.doConversion();
+        double d2 = stnc2.doConversion();
+
+        if (stnc1.hasError() || stnc2.hasError()) {
+            JOptionPane.showMessageDialog(MainWindowOld.this,
+                    "Da ging wohl was schief");
+        } else {
+            Calculator calc = new Calculator(d1, d2);
+            if (cbx.getSelectedItem().equals("+")) {
+                calc.doAdd();
+            } else if (cbx.getSelectedItem().equals("-")) {
+                calc.doSubtract();
+            }
+            JOptionPane.showMessageDialog(MainWindowOld.this,
+                    "Das Ergebnis lautet: " + calc.getResult());
+        }
+    }
+}

src/com/rkcsd/apps/demo/gui/PrinterListWindow.java

@@ -0,0 +1,19 @@
+package com.rkcsd.apps.demo.gui;
+
+import javax.swing.JDialog;
+import javax.swing.JFrame;
+import javax.swing.JTable;
+
+public class PrinterListWindow extends JDialog {
+    public PrinterListWindow(JFrame mainWindow) {
+        super(mainWindow);
+        setLayout(null);
+        setSize(800, 600);
+
+        JTable t = new JTable();
+        t.setBounds(10, 10, 700, 500);
+        this.add(t);
+
+        setVisible(true);
+    }
+}