Stage1 creational

build/classes/Calc/Calculator.form

@@ -929,6 +929,42 @@
                 </Constraint>
               </Constraints>
             </Component>
+            <Component class="javax.swing.JButton" name="jButton1">
+              <Properties>
+                <Property name="text" type="java.lang.String" value="jButton1"/>
+              </Properties>
+              <Constraints>
+                <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout" value="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout$AbsoluteConstraintsDescription">
+                  <AbsoluteConstraints x="130" y="50" width="-1" height="-1"/>
+                </Constraint>
+              </Constraints>
+            </Component>
+            <Component class="javax.swing.JButton" name="btnUndo">
+              <Properties>
+                <Property name="text" type="java.lang.String" value="Undo"/>
+              </Properties>
+              <Events>
+                <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnUndoActionPerformed"/>
+              </Events>
+              <Constraints>
+                <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout" value="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout$AbsoluteConstraintsDescription">
+                  <AbsoluteConstraints x="20" y="0" width="-1" height="20"/>
+                </Constraint>
+              </Constraints>
+            </Component>
+            <Component class="javax.swing.JButton" name="btnRedo">
+              <Properties>
+                <Property name="text" type="java.lang.String" value="Redo"/>
+              </Properties>
+              <Events>
+                <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnRedoActionPerformed"/>
+              </Events>
+              <Constraints>
+                <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout" value="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout$AbsoluteConstraintsDescription">
+                  <AbsoluteConstraints x="100" y="0" width="-1" height="20"/>
+                </Constraint>
+              </Constraints>
+            </Component>
           </SubComponents>
         </Container>
         <Container class="javax.swing.JPanel" name="titleBar">

nbproject/private/private.properties

@@ -5,4 +5,4 @@ do.jlink=true
 javac.debug=true
 javadoc.preview=true
 jlink.strip=false
-user.properties.file=C:\\Users\\SasUke UtChiHa\\AppData\\Roaming\\NetBeans\\15\\build.properties
+user.properties.file=C:\\Users\\Sulta\\AppData\\Roaming\\NetBeans\\27\\build.properties

nbproject/private/private.xml

@@ -2,6 +2,10 @@
 <project-private xmlns="http://www.netbeans.org/ns/project-private/1">
     <editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/2" lastBookmarkId="0"/>
     <open-files xmlns="http://www.netbeans.org/ns/projectui-open-files/2">
-        <group/>
+        <group>
+            <file>file:/C:/Users/Sulta/OneDrive/Documents/NetBeansProjects/calculator-java-swing-refactor/src/Calc/App.java</file>
+            <file>file:/C:/Users/Sulta/OneDrive/Documents/NetBeansProjects/calculator-java-swing-refactor/src/Calc/Calculator.java</file>
+            <file>file:/C:/Users/Sulta/OneDrive/Documents/NetBeansProjects/calculator-java-swing-refactor/src/Calc/CalculatorFacade.java</file>
+        </group>
     </open-files>
 </project-private>

src/Calc/AddOperation.java

@@ -0,0 +1,13 @@
+
+package Calc;
+
+/**
+ *
+ * @author Sulta
+ */
+public class AddOperation implements Operation{
+     @Override
+    public float apply(float a, float b) {
+        return a + b;
+    }
+}

src/Calc/App.java

@@ -1,14 +1,19 @@
 package Calc;
 
-/**
- *
- * @author youcefhmd
- */
-
 public class App {
-
     public static void main(String[] args) {
-        new Calculator().setVisible(true);
-    }
+        javax.swing.SwingUtilities.invokeLater(() -> {
+
+            CalculatorFacade calcFacade = new CalculatorFacade();
 
+            // بدل ما نستدعي Calculator مباشرة:
+            calcFacade.showCalculator();
+
+            // مثال تشغيل:
+            float result = calcFacade.performOperation("+", 5, 3);
+            System.out.println("Result = " + result);
+        });
+    }
 }
+
+//

src/Calc/Calculator.form

@@ -929,6 +929,42 @@
                 </Constraint>
               </Constraints>
             </Component>
+            <Component class="javax.swing.JButton" name="jButton1">
+              <Properties>
+                <Property name="text" type="java.lang.String" value="jButton1"/>
+              </Properties>
+              <Constraints>
+                <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout" value="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout$AbsoluteConstraintsDescription">
+                  <AbsoluteConstraints x="130" y="50" width="-1" height="-1"/>
+                </Constraint>
+              </Constraints>
+            </Component>
+            <Component class="javax.swing.JButton" name="btnUndo">
+              <Properties>
+                <Property name="text" type="java.lang.String" value="Undo"/>
+              </Properties>
+              <Events>
+                <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnUndoActionPerformed"/>
+              </Events>
+              <Constraints>
+                <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout" value="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout$AbsoluteConstraintsDescription">
+                  <AbsoluteConstraints x="20" y="0" width="-1" height="20"/>
+                </Constraint>
+              </Constraints>
+            </Component>
+            <Component class="javax.swing.JButton" name="btnRedo">
+              <Properties>
+                <Property name="text" type="java.lang.String" value="Redo"/>
+              </Properties>
+              <Events>
+                <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnRedoActionPerformed"/>
+              </Events>
+              <Constraints>
+                <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout" value="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout$AbsoluteConstraintsDescription">
+                  <AbsoluteConstraints x="100" y="0" width="-1" height="20"/>
+                </Constraint>
+              </Constraints>
+            </Component>
           </SubComponents>
         </Container>
         <Container class="javax.swing.JPanel" name="titleBar">