Input prodotto singolo

src/guivendite/GUIVendite.form

@@ -23,13 +23,121 @@
   <Layout>
     <DimensionLayout dim="0">
       <Group type="103" groupAlignment="0" attributes="0">
-          <EmptySpace min="0" pref="400" max="32767" attributes="0"/>
+          <Group type="102" alignment="0" attributes="0">
+              <EmptySpace min="-2" pref="19" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="0" max="-2" attributes="0">
+                  <Group type="102" alignment="0" attributes="0">
+                      <Component id="lblPrezzo" max="32767" attributes="0"/>
+                      <EmptySpace type="unrelated" max="-2" attributes="0"/>
+                      <Component id="lblQuantita" max="32767" attributes="0"/>
+                  </Group>
+                  <Group type="102" alignment="0" attributes="0">
+                      <Component id="btnPrezzo" min="-2" max="-2" attributes="0"/>
+                      <EmptySpace type="unrelated" max="-2" attributes="0"/>
+                      <Component id="btnQuantita" min="-2" max="-2" attributes="0"/>
+                  </Group>
+                  <Group type="102" alignment="0" attributes="0">
+                      <Component id="txtPrezzo" min="-2" pref="109" max="-2" attributes="0"/>
+                      <EmptySpace type="unrelated" max="-2" attributes="0"/>
+                      <Component id="txtQuantita" max="32767" attributes="0"/>
+                  </Group>
+              </Group>
+              <EmptySpace type="separate" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="0" attributes="0">
+                  <Component id="btnImportoTotale" min="-2" max="-2" attributes="0"/>
+                  <Group type="102" attributes="0">
+                      <Component id="txtImportoTotale" pref="101" max="32767" attributes="0"/>
+                      <EmptySpace min="-2" pref="27" max="-2" attributes="0"/>
+                      <Component id="btnAggiungi" min="-2" max="-2" attributes="0"/>
+                      <EmptySpace min="-2" pref="22" max="-2" attributes="0"/>
+                  </Group>
+                  <Component id="lblImportoTotale" max="32767" attributes="0"/>
+              </Group>
+              <EmptySpace max="-2" attributes="0"/>
+          </Group>
       </Group>
     </DimensionLayout>
     <DimensionLayout dim="1">
       <Group type="103" groupAlignment="0" attributes="0">
-          <EmptySpace min="0" pref="300" max="32767" attributes="0"/>
+          <Group type="102" alignment="0" attributes="0">
+              <EmptySpace type="unrelated" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="3" attributes="0">
+                  <Component id="lblPrezzo" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="lblQuantita" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="lblImportoTotale" alignment="3" min="-2" max="-2" attributes="0"/>
+              </Group>
+              <EmptySpace min="-2" pref="26" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="3" attributes="0">
+                  <Component id="txtPrezzo" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="txtQuantita" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="txtImportoTotale" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="btnAggiungi" alignment="3" min="-2" max="-2" attributes="0"/>
+              </Group>
+              <EmptySpace min="-2" pref="26" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="3" attributes="0">
+                  <Component id="btnPrezzo" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="btnQuantita" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="btnImportoTotale" alignment="3" min="-2" max="-2" attributes="0"/>
+              </Group>
+              <EmptySpace pref="23" max="32767" attributes="0"/>
+          </Group>
       </Group>
     </DimensionLayout>
   </Layout>
+  <SubComponents>
+    <Component class="javax.swing.JLabel" name="lblPrezzo">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Prezzo"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="lblQuantita">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Quantit&#xe0;"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="lblImportoTotale">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Importo totale"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JTextField" name="txtPrezzo">
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="txtPrezzoActionPerformed"/>
+      </Events>
+    </Component>
+    <Component class="javax.swing.JTextField" name="txtQuantita">
+      <Events>
+        <EventHandler event="focusGained" listener="java.awt.event.FocusListener" parameters="java.awt.event.FocusEvent" handler="txtQuantitaFocusGained"/>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="txtQuantitaActionPerformed"/>
+      </Events>
+    </Component>
+    <Component class="javax.swing.JTextField" name="txtImportoTotale">
+      <Properties>
+        <Property name="editable" type="boolean" value="false"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JButton" name="btnAggiungi">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Aggiungi"/>
+      </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnAggiungiActionPerformed"/>
+      </Events>
+    </Component>
+    <Component class="javax.swing.JButton" name="btnPrezzo">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Media prezzo"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JButton" name="btnQuantita">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Media quantit&#xe0;"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JButton" name="btnImportoTotale">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Tot. vendite"/>
+      </Properties>
+    </Component>
+  </SubComponents>
 </Form>

src/guivendite/GUIVendite.java

@@ -4,6 +4,10 @@
  */
 package guivendite;
 
+import java.awt.Color;
+import java.util.ArrayList;
+import javax.swing.JOptionPane;
+
 /**
  *
  * @author Verde
@@ -11,7 +15,7 @@ package guivendite;
 public class GUIVendite extends javax.swing.JFrame {
     
     private static final java.util.logging.Logger logger = java.util.logging.Logger.getLogger(GUIVendite.class.getName());
-
+    private static ArrayList<Prodotto> prodotti = new ArrayList<>();
     /**
      * Creates new form GUIVendite
      */
@@ -28,22 +32,139 @@ public class GUIVendite extends javax.swing.JFrame {
     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
     private void initComponents() {
 
+        lblPrezzo = new javax.swing.JLabel();
+        lblQuantita = new javax.swing.JLabel();
+        lblImportoTotale = new javax.swing.JLabel();
+        txtPrezzo = new javax.swing.JTextField();
+        txtQuantita = new javax.swing.JTextField();
+        txtImportoTotale = new javax.swing.JTextField();
+        btnAggiungi = new javax.swing.JButton();
+        btnPrezzo = new javax.swing.JButton();
+        btnQuantita = new javax.swing.JButton();
+        btnImportoTotale = new javax.swing.JButton();
+
         setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
 
+        lblPrezzo.setText("Prezzo");
+
+        lblQuantita.setText("Quantità");
+
+        lblImportoTotale.setText("Importo totale");
+
+	txtPrezzo.addFocusListener(new java.awt.event.FocusAdapter() {
+            public void focusGained(java.awt.event.FocusEvent evt) {
+                txtPrezzoFocusGained(evt);
+            }
+        });
+
+
+        txtQuantita.addFocusListener(new java.awt.event.FocusAdapter() {
+            public void focusGained(java.awt.event.FocusEvent evt) {
+                txtQuantitaFocusGained(evt);
+            }
+        });
+
+        txtImportoTotale.setEditable(false);
+
+        btnAggiungi.setText("Aggiungi");
+        btnAggiungi.addActionListener(this::btnAggiungiActionPerformed);
+
+        btnPrezzo.setText("Media prezzo");
+
+        btnQuantita.setText("Media quantità");
+
+        btnImportoTotale.setText("Tot. vendite");
+
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
         layout.setHorizontalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addGap(0, 400, Short.MAX_VALUE)
+            .addGroup(layout.createSequentialGroup()
+                .addGap(19, 19, 19)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
+                    .addGroup(layout.createSequentialGroup()
+                        .addComponent(lblPrezzo, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                        .addComponent(lblQuantita, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
+                    .addGroup(layout.createSequentialGroup()
+                        .addComponent(btnPrezzo)
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                        .addComponent(btnQuantita))
+                    .addGroup(layout.createSequentialGroup()
+                        .addComponent(txtPrezzo, javax.swing.GroupLayout.PREFERRED_SIZE, 109, javax.swing.GroupLayout.PREFERRED_SIZE)
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                        .addComponent(txtQuantita)))
+                .addGap(18, 18, 18)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                    .addComponent(btnImportoTotale)
+                    .addGroup(layout.createSequentialGroup()
+                        .addComponent(txtImportoTotale, javax.swing.GroupLayout.DEFAULT_SIZE, 101, Short.MAX_VALUE)
+                        .addGap(27, 27, 27)
+                        .addComponent(btnAggiungi)
+                        .addGap(22, 22, 22))
+                    .addComponent(lblImportoTotale, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
+                .addContainerGap())
         );
         layout.setVerticalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addGap(0, 300, Short.MAX_VALUE)
+            .addGroup(layout.createSequentialGroup()
+                .addContainerGap()
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(lblPrezzo)
+                    .addComponent(lblQuantita)
+                    .addComponent(lblImportoTotale))
+                .addGap(26, 26, 26)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(txtPrezzo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                    .addComponent(txtQuantita, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                    .addComponent(txtImportoTotale, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                    .addComponent(btnAggiungi))
+                .addGap(26, 26, 26)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(btnPrezzo)
+                    .addComponent(btnQuantita)
+                    .addComponent(btnImportoTotale))
+                .addContainerGap(23, Short.MAX_VALUE))
         );
 
         pack();
     }// </editor-fold>//GEN-END:initComponents
 
+    private void btnAggiungiActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnAggiungiActionPerformed
+        double quantita = leggiCampo(txtQuantita);
+        double prezzo = leggiCampo(txtPrezzo);
+        
+        if(quantita > 0 && prezzo > 0){
+            prodotti.add(new Prodotto(quantita, prezzo));
+            txtImportoTotale.setText(Double.toString(prodotti.getLast().getTotale()));
+        }
+    }//GEN-LAST:event_btnAggiungiActionPerformed
+
+    private void txtPrezzoFocusGained(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_txtPrezzoFocusGained
+        txtPrezzo.setBackground(Color.white);
+    }//GEN-LAST:event_txtPrezzoFocusGained
+
+    private void txtQuantitaFocusGained(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_txtQuantitaFocusGained
+        txtQuantita.setBackground(Color.white);
+    }//GEN-LAST:event_txtQuantitaFocusGained
+
+    private double leggiCampo(javax.swing.JTextField campo){
+        double valoreCampo = -1;
+        
+        try{
+            valoreCampo = Double.parseDouble(campo.getText());
+            if(valoreCampo <= 0){
+                JOptionPane.showMessageDialog(null, "Inserire un numero maggiore di zero.");
+                campo.setBackground(Color.red);
+            }
+        } catch(NumberFormatException _){
+            JOptionPane.showMessageDialog(null, "Inserire un numero valido.");
+            campo.setBackground(Color.red);
+        }
+        
+        return valoreCampo;
+    }
+    
     /**
      * @param args the command line arguments
      */
@@ -70,5 +191,15 @@ public class GUIVendite extends javax.swing.JFrame {
     }
 
     // Variables declaration - do not modify//GEN-BEGIN:variables
+    private javax.swing.JButton btnAggiungi;
+    private javax.swing.JButton btnImportoTotale;
+    private javax.swing.JButton btnPrezzo;
+    private javax.swing.JButton btnQuantita;
+    private javax.swing.JLabel lblImportoTotale;
+    private javax.swing.JLabel lblPrezzo;
+    private javax.swing.JLabel lblQuantita;
+    private javax.swing.JTextField txtImportoTotale;
+    private javax.swing.JTextField txtPrezzo;
+    private javax.swing.JTextField txtQuantita;
     // End of variables declaration//GEN-END:variables
 }