Update temp.java

src/main/java/temp.java

@@ -3,6 +3,7 @@
  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
+import java.io.*;
 
 /**
  *
@@ -13,6 +14,7 @@ public class temp extends javax.swing.JFrame {
      * Creates new form temp
      */
     
+    
     static double price[]={2, 0.5, 1, 2, 1};
 	//the prices
     static double quantity[]={20, 20, 20, 20, 20};
@@ -36,6 +38,10 @@ public class temp extends javax.swing.JFrame {
     static double amount = 0;
     //expected cost
     static double cost = 0;
+    //returned change
+    static double change = 0;
+    //total payed
+    static double payed = 0;
 
     public temp() {      
         initComponents();   
@@ -47,7 +53,7 @@ public class temp extends javax.swing.JFrame {
      * regenerated by the Form Editor.
      */
     @SuppressWarnings("unchecked")
-    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
+    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
     private void initComponents() {
 
         ItemSelect = new javax.swing.JPanel();
@@ -59,12 +65,14 @@ public class temp extends javax.swing.JFrame {
         quantLabelchange = new javax.swing.JLabel();
         quantBox = new javax.swing.JComboBox<>();
         Purchase = new javax.swing.JButton();
+        Total = new javax.swing.JLabel();
         jPanel2 = new javax.swing.JPanel();
         moneyInput = new javax.swing.JTextField();
         jLabel2 = new javax.swing.JLabel();
         jLabel4 = new javax.swing.JLabel();
         error = new javax.swing.JLabel();
         jLabel3 = new javax.swing.JLabel();
+        Receipt = new javax.swing.JButton();
 
         setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
 
@@ -84,7 +92,7 @@ public class temp extends javax.swing.JFrame {
 
         quantLabelchange.setText("Selected quantity:");
 
-        quantBox.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "0", "1", "2", "3", "4", "5" }));
+        quantBox.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "1", "2", "3", "4", "5" }));
         quantBox.addActionListener(new java.awt.event.ActionListener() {
             public void actionPerformed(java.awt.event.ActionEvent evt) {
                 quantBoxActionPerformed(evt);
@@ -98,6 +106,8 @@ public class temp extends javax.swing.JFrame {
             }
         });
 
+        Total.setText("Total:");
+
         javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
         jPanel1.setLayout(jPanel1Layout);
         jPanel1Layout.setHorizontalGroup(
@@ -113,10 +123,12 @@ public class temp extends javax.swing.JFrame {
                     .addGroup(jPanel1Layout.createSequentialGroup()
                         .addGap(20, 20, 20)
                         .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                            .addComponent(quantLabelchange, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                             .addGroup(jPanel1Layout.createSequentialGroup()
-                                .addComponent(Purchase)
-                                .addGap(0, 6, Short.MAX_VALUE))
-                            .addComponent(quantLabelchange, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
+                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                                    .addComponent(Total)
+                                    .addComponent(Purchase))
+                                .addGap(0, 6, Short.MAX_VALUE)))))
                 .addContainerGap())
         );
         jPanel1Layout.setVerticalGroup(
@@ -128,9 +140,10 @@ public class temp extends javax.swing.JFrame {
                 .addComponent(quantBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                 .addGap(11, 11, 11)
                 .addComponent(quantLabelchange)
-                .addGap(18, 18, 18)
-                .addComponent(Purchase)
-                .addContainerGap())
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+                .addComponent(Total)
+                .addGap(9, 9, 9)
+                .addComponent(Purchase))
         );
 
         javax.swing.GroupLayout ItemSelectLayout = new javax.swing.GroupLayout(ItemSelect);
@@ -207,46 +220,49 @@ public class temp extends javax.swing.JFrame {
 
         jLabel3.setText("Amount Given:");
 
+        Receipt.setText("Print receipt");
+        Receipt.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                ReceiptActionPerformed(evt);
+            }
+        });
+
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
         layout.setHorizontalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addComponent(ItemSelect, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                .addGap(18, 18, 18)
                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                        .addGroup(layout.createSequentialGroup()
-                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                            .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
-                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
-                            .addGap(22, 22, 22)
-                            .addComponent(error, javax.swing.GroupLayout.PREFERRED_SIZE, 164, javax.swing.GroupLayout.PREFERRED_SIZE)))
-                    .addGroup(layout.createSequentialGroup()
-                        .addGap(18, 18, 18)
-                        .addComponent(jLabel3)))
-                .addContainerGap(92, Short.MAX_VALUE))
+                    .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                    .addComponent(error, javax.swing.GroupLayout.PREFERRED_SIZE, 164, javax.swing.GroupLayout.PREFERRED_SIZE)
+                    .addComponent(jLabel3)))
+            .addGroup(layout.createSequentialGroup()
+                .addGap(18, 18, 18)
+                .addComponent(Receipt, javax.swing.GroupLayout.PREFERRED_SIZE, 102, javax.swing.GroupLayout.PREFERRED_SIZE))
         );
         layout.setVerticalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addContainerGap()
                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                    .addGroup(layout.createSequentialGroup()
-                        .addComponent(ItemSelect, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
-                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
+                    .addComponent(ItemSelect, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                     .addGroup(layout.createSequentialGroup()
                         .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                         .addGap(31, 31, 31)
                         .addComponent(jLabel3)
-                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                        .addComponent(error)
-                        .addGap(25, 25, 25))))
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                        .addComponent(error)))
+                .addGap(18, 18, 18)
+                .addComponent(Receipt)
+                .addContainerGap(56, Short.MAX_VALUE))
         );
 
         pack();
-    }// </editor-fold>//GEN-END:initComponents
+    }// </editor-fold>                        
 
-    private void ItemSelectBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ItemSelectBoxActionPerformed
+    private void ItemSelectBoxActionPerformed(java.awt.event.ActionEvent evt) {                                              
         // TODO add your handling code here:
         Chosen = ItemSelectBox.getSelectedItem().toString();
         //gets the item selected
@@ -254,23 +270,23 @@ public class temp extends javax.swing.JFrame {
         switch(Chosen){
             //give the value of the item back
             case "Chocolate":
-                Price = "£2";
+                Price = "£2";
                 ID = "01";
                 break;
             case "Water":
-                Price = "£0.5";
+                Price = "£0.5";
                 ID = "02";
                 break;
             case "Drink":
-                Price = "£1";
+                Price = "£1";
                 ID = "03";
                 break;
             case "Snack":
-                Price = "£2";
+                Price = "£2";
                 ID = "04";
                 break;
             case "Sweet":
-                Price = "£1";
+                Price = "£1";
                 ID = "05";
                 break;
             default :
@@ -285,37 +301,54 @@ public class temp extends javax.swing.JFrame {
         }
         
         //update price label
-    }//GEN-LAST:event_ItemSelectBoxActionPerformed
+    }                                             
 
-    private void quantBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_quantBoxActionPerformed
+    private void quantBoxActionPerformed(java.awt.event.ActionEvent evt) {                                         
         // TODO add your handling code here:
         quant = Double.parseDouble(quantBox.getSelectedItem().toString());
         //find the slected item and convet it into a double
         quantLabelchange.setText("Selected quantity: "+quant);
         //update the display to show the quanity of item wanted
-    }//GEN-LAST:event_quantBoxActionPerformed
-
-    private void PurchaseActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_PurchaseActionPerformed
-        // TODO add your handling code here:        
         cost = price[index]*quant;
+        Total.setText("Total: "+ cost);
+    }                                        
+
+    private void PurchaseActionPerformed(java.awt.event.ActionEvent evt) {                                         
+        // TODO add your handling code here:    
+        amount = Double.parseDouble(moneyInput.getText());
+        payed = payed + amount;
         jLabel3.setText("Amount Given: "+amount);
         
+        if(PriceLabel.getText()=="Please selct an Item"){
+            error.setText("Error: No item selected"); 
+        } else {
+            error.setText("");
+        }
+        
         if (cost > amount){
-            error.setText("Error: Payment not valid");                    
+           error.setText("Error: Payment not valid");                     
         } else if(amount >= cost) {
             error.setText("Payment valid");
-            amount = amount - cost;   
+            change = change + (amount - cost);
+            moneyInput.setText(String.valueOf(amount - cost));
+            purchase();
         }
-    }//GEN-LAST:event_PurchaseActionPerformed
+               
+    }                                        
 
-    private void moneyInputActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_moneyInputActionPerformed
+    private void moneyInputActionPerformed(java.awt.event.ActionEvent evt) {                                           
         // TODO add your handling code here:
         //convert contents to a double;      
         amount = Double.parseDouble(moneyInput.getText());
         //fins the item's index
         findItem();
         
-    }//GEN-LAST:event_moneyInputActionPerformed
+    }                                          
+
+    private void ReceiptActionPerformed(java.awt.event.ActionEvent evt) {                                        
+        // TODO add your handling code here:
+        print();
+    }                                       
 
     /**
      * @param args the command line arguments
@@ -349,6 +382,7 @@ public class temp extends javax.swing.JFrame {
                 new temp().setVisible(true);
             }
         });
+        
     }
     
     public void findItem(){
@@ -364,12 +398,65 @@ public class temp extends javax.swing.JFrame {
                 }
 	}
     }
+    
+    public void purchase(){
+        while (true) {
+            if((quantity[index]-quant)>=0) { //if not add the item to the basket
+		quantity[index]=(quantity[index]-quant);
+		//removes the number from the quantity
+		basket[index]=(basket[index]+quant);
+		//adds the number from the quantity to ther basket
+		break;
+            } else {				
+                //if the menu item has no quantity or less than they want, don't let them buy it.
+		error.setText("There are not enough items for that.");
+                break;
+			}
+		}
+    }
+    
+    public void print(){
+        File f = new File("receipt.txt");
+        //creates a file
+        f.setWritable(rootPaneCheckingEnabled);
+        //makes sure the file can be written to
+        
+        f.createNewFile();
+        //f. ("Code\tItem\t\tPrice\tQuantity \t");
+
+	//displays the menu the the user
+	for(int i=0; i < price.length; i++) {
+            if(basket[i]!=0) {
+                f.write(itemCode[i]+"\t");
+                //displays the item code
+                if (i==0||i==1||i==3) {
+                    //this adds a second tab for shorter items which would otherwise display incorrectly
+                    writer.write(itemName[i]+"\t\t");
+		} else {
+                    //if the item name is not short, it only gets one tab
+                    writer.write(itemName[i]+"\t");
+		}
+		writer.write(""+price[i]+"\t");
+                //displays the price
+		if(basket[i]!=0) {
+                    writer.write(basket[i]+"\t");                   
+		} else {
+                    writer.write("Not in Stock");
+		}
+	
+		//adds a new line to display the next item.
+		writer.write("\n");
+            }
+        }
+    }
 
-    // Variables declaration - do not modify//GEN-BEGIN:variables
+    // Variables declaration - do not modify                     
     private javax.swing.JPanel ItemSelect;
     private javax.swing.JComboBox<String> ItemSelectBox;
     private javax.swing.JLabel PriceLabel;
     private javax.swing.JButton Purchase;
+    private javax.swing.JButton Receipt;
+    private javax.swing.JLabel Total;
     private javax.swing.JLabel error;
     private javax.swing.JLabel jLabel1;
     private javax.swing.JLabel jLabel2;
@@ -381,6 +468,6 @@ public class temp extends javax.swing.JFrame {
     private javax.swing.JComboBox<String> quantBox;
     private javax.swing.JLabel quantLabel;
     private javax.swing.JLabel quantLabelchange;
-    // End of variables declaration//GEN-END:variables
+    // End of variables declaration                   
 }