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Thread: Help With GUI, TroubleShooting Retail Price Calculator.

  1. #1
    Member Knowledge_Feeds_The_Mind's Avatar
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    Post Help With GUI, TroubleShooting Retail Price Calculator.

    Before I start explaining what my problem is I would like to apologize for the length of the code, it is my first time doing a GUI Program.
    I have to create a GUI application where the user enters the wholesale cost of an item and its markup percentage into text fields.
    Right now I am having basic problems compiling the information, any help is appreciated, I am at my wits end....
    If you have any hints where I maybe should start, I would greatly appreciate it

        private JLabel messageLabel;
        private JButton calculateButton;
        private JLabel retailPriceLabel;
        private JTextField retailPrice;
     
        /**
         * Creates new form NewJDialog
         */
        public RPCalculator(java.awt.Frame parent, boolean modal) {
            super(parent, modal);
            initComponents();
        }
     
        /**
         * This method is called from within the constructor to initialize the form.
         * WARNING: Do NOT modify this code. The content of this method is always
         * regenerated by the Form Editor.
         */
        @SuppressWarnings("unchecked")
        // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
        private void initComponents() {
     
            jTextField1 = new javax.swing.JTextField();
            jScrollPane1 = new javax.swing.JScrollPane();
            jTextPane1 = new javax.swing.JTextPane();
            jTextField4 = new javax.swing.JTextField();
            jTextField5 = new javax.swing.JTextField();
            jScrollPane2 = new javax.swing.JScrollPane();
            jTextArea1 = new javax.swing.JTextArea();
            jScrollPane3 = new javax.swing.JScrollPane();
            jTree1 = new javax.swing.JTree();
            jLabel1 = new javax.swing.JLabel();
            jLabel2 = new javax.swing.JLabel();
            jLabel3 = new javax.swing.JLabel();
            jTextField2 = new javax.swing.JTextField();
            jTextField3 = new javax.swing.JTextField();
            jButton1 = new javax.swing.JButton();
            jButton2 = new javax.swing.JButton();
            jLabel4 = new javax.swing.JLabel();
            jTextField6 = new javax.swing.JTextField();
     
            jTextField1.setText("jTextField1");
     
            jTextPane1.setEditable(false);
            jScrollPane1.setViewportView(jTextPane1);
     
            jTextField4.setText("jTextField4");
            jTextField4.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField4ActionPerformed(evt);
                }
            });
     
            jTextField5.setText("jTextField5");
     
            jTextArea1.setColumns(20);
            jTextArea1.setRows(5);
            jScrollPane2.setViewportView(jTextArea1);
     
            jScrollPane3.setViewportView(jTree1);
     
            setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
     
            jLabel1.setFont(new java.awt.Font("Malayalam MN", 1, 20)); // NOI18N
            jLabel1.setText("Retail Price Calculator");
            jLabel1.setSize(new java.awt.Dimension(45, 30));
     
            jLabel2.setFont(new java.awt.Font("Lucida Grande", 0, 14)); // NOI18N
            jLabel2.setText("Wholesale Price");
            jLabel2.setToolTipText("");
     
            jLabel3.setFont(new java.awt.Font("Lucida Grande", 0, 14)); // NOI18N
            jLabel3.setText("Markup Percent");
     
            jTextField2.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField2ActionPerformed(evt);
                }
            });
     
            jTextField3.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField3ActionPerformed(evt);
                }
            });
     
            jButton1.setText("Calculate");
            jButton1.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jButton1ActionPerformed(evt);
                }
            });
     
            jButton2.setText("Quit");
            jButton2.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jButton2ActionPerformed(evt);
                }
            });
     
            jLabel4.setFont(new java.awt.Font("Lucida Grande", 0, 14)); // NOI18N
            jLabel4.setText("Retail Price");
     
            jTextField6.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField6ActionPerformed(evt);
                }
            });
     
            javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
            getContentPane().setLayout(layout);
            layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jButton1)
                    .addGap(113, 113, 113))
                .addGroup(layout.createSequentialGroup()
                    .addContainerGap()
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(layout.createSequentialGroup()
                                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 115, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 148, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGroup(layout.createSequentialGroup()
                                    .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 115, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, 148, javax.swing.GroupLayout.PREFERRED_SIZE)))
                            .addGap(3, 3, 3)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(layout.createSequentialGroup()
                                    .addGap(27, 27, 27)
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 101, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jLabel4)))
                                .addGroup(layout.createSequentialGroup()
                                    .addGap(18, 18, 18)
                                    .addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE))))
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 272, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addContainerGap(13, Short.MAX_VALUE))
            );
            layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addGap(12, 12, 12)
                            .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addGap(18, 18, 18)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(jLabel2)
                                .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGap(11, 11, 11)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel3)
                                .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addGroup(layout.createSequentialGroup()
                            .addGap(67, 67, 67)
                            .addComponent(jLabel4)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(jTextField6, 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.BASELINE)
                        .addComponent(jButton1)
                        .addComponent(jButton2))
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            );
     
            pack();
        }// </editor-fold>                        
     
        private void jTextField4ActionPerformed(java.awt.event.ActionEvent evt) {                                            
            // TODO add your handling code here:
        }                                           
     
        private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
     //quit       
            System.exit(0);
        }                                        
     
        private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
     //calculate        
            double retailPrice;
            double wholePrice = 0;
            double markUp = 0;
        retailPrice = ((wholePrice * markUp) * .01) + wholePrice;
        }                                        
     
        private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {                                            
     //wholesale price       
            String wholeSaleInput;
            double wholePrice;
            wholeSaleInput = wholeSalePriceField.getText();
            wholePrice = Double.parseDouble(wholeSaleInput);
        }                                           
     
        private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {                                            
     //markup percentage 
            String markUpInput;
            double markUp;
            //markUpInput = markUpPercentage.getText();
            markUpInput = wholeSalePriceField.getText();
            markUp = Double.parseDouble(markUpInput);
        }                                           
     
        private void jTextField6ActionPerformed(java.awt.event.ActionEvent evt) {                                            
      //retail price      
            String wholesaleInput = null; //I have a hunch that my problem lies here, just do not know how to fix it.
            double retailPriceD;
            double wholePrice;
            double markUp = 0;
            wholePrice = Double.parseDouble(wholesaleInput);
            retailPriceD = ((wholePrice * markUp) * .01) + wholePrice;
            JOptionPane.showMessageDialog(null, "Retail Price: $" + retailPrice);
     
        }
    Thank you.


  2. #2
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    Default Re: Help With GUI, TroubleShooting Retail Price Calculator.

    It's very difficult to help someone with IDE-generated code. There are some things the person using the IDE approach can do to make the IDE-generated code easier to understand, like changing the variable names rather than using the IDE's defaults. Even after that, once the IDE is used to do the coding, the question is really a "How do I use the IDE?" question rather than a Java question. You might find more help on a forum specific to the IDE or the Form Editor.

  3. The Following User Says Thank You to GregBrannon For This Useful Post:

    Knowledge_Feeds_The_Mind (April 23rd, 2014)

  4. #3
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    Default Re: Help With GUI, TroubleShooting Retail Price Calculator.

    Quote Originally Posted by Knowledge_Feeds_The_Mind View Post
    Before I start explaining what my problem is I would like to apologize for the length of the code, it is my first time doing a GUI Program.
    I have to create a GUI application where the user enters the wholesale cost of an item and its markup percentage into text fields.
    Right now I am having basic problems compiling the information, any help is appreciated, I am at my wits end....
    If you have any hints where I maybe should start, I would greatly appreciate it

        private JLabel messageLabel;
        private JButton calculateButton;
        private JLabel retailPriceLabel;
        private JTextField retailPrice;
     
        /**
         * Creates new form NewJDialog
         */
        public RPCalculator(java.awt.Frame parent, boolean modal) {
            super(parent, modal);
            initComponents();
        }
     
        /**
         * This method is called from within the constructor to initialize the form.
         * WARNING: Do NOT modify this code. The content of this method is always
         * regenerated by the Form Editor.
         */
        @SuppressWarnings("unchecked")
        // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
        private void initComponents() {
     
            jTextField1 = new javax.swing.JTextField();
            jScrollPane1 = new javax.swing.JScrollPane();
            jTextPane1 = new javax.swing.JTextPane();
            jTextField4 = new javax.swing.JTextField();
            jTextField5 = new javax.swing.JTextField();
            jScrollPane2 = new javax.swing.JScrollPane();
            jTextArea1 = new javax.swing.JTextArea();
            jScrollPane3 = new javax.swing.JScrollPane();
            jTree1 = new javax.swing.JTree();
            jLabel1 = new javax.swing.JLabel();
            jLabel2 = new javax.swing.JLabel();
            jLabel3 = new javax.swing.JLabel();
            jTextField2 = new javax.swing.JTextField();
            jTextField3 = new javax.swing.JTextField();
            jButton1 = new javax.swing.JButton();
            jButton2 = new javax.swing.JButton();
            jLabel4 = new javax.swing.JLabel();
            jTextField6 = new javax.swing.JTextField();
     
            jTextField1.setText("jTextField1");
     
            jTextPane1.setEditable(false);
            jScrollPane1.setViewportView(jTextPane1);
     
            jTextField4.setText("jTextField4");
            jTextField4.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField4ActionPerformed(evt);
                }
            });
     
            jTextField5.setText("jTextField5");
     
            jTextArea1.setColumns(20);
            jTextArea1.setRows(5);
            jScrollPane2.setViewportView(jTextArea1);
     
            jScrollPane3.setViewportView(jTree1);
     
            setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
     
            jLabel1.setFont(new java.awt.Font("Malayalam MN", 1, 20)); // NOI18N
            jLabel1.setText("Retail Price Calculator");
            jLabel1.setSize(new java.awt.Dimension(45, 30));
     
            jLabel2.setFont(new java.awt.Font("Lucida Grande", 0, 14)); // NOI18N
            jLabel2.setText("Wholesale Price");
            jLabel2.setToolTipText("");
     
            jLabel3.setFont(new java.awt.Font("Lucida Grande", 0, 14)); // NOI18N
            jLabel3.setText("Markup Percent");
     
            jTextField2.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField2ActionPerformed(evt);
                }
            });
     
            jTextField3.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField3ActionPerformed(evt);
                }
            });
     
            jButton1.setText("Calculate");
            jButton1.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jButton1ActionPerformed(evt);
                }
            });
     
            jButton2.setText("Quit");
            jButton2.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jButton2ActionPerformed(evt);
                }
            });
     
            jLabel4.setFont(new java.awt.Font("Lucida Grande", 0, 14)); // NOI18N
            jLabel4.setText("Retail Price");
     
            jTextField6.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    jTextField6ActionPerformed(evt);
                }
            });
     
            javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
            getContentPane().setLayout(layout);
            layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jButton1)
                    .addGap(113, 113, 113))
                .addGroup(layout.createSequentialGroup()
                    .addContainerGap()
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(layout.createSequentialGroup()
                                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 115, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 148, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGroup(layout.createSequentialGroup()
                                    .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 115, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, 148, javax.swing.GroupLayout.PREFERRED_SIZE)))
                            .addGap(3, 3, 3)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(layout.createSequentialGroup()
                                    .addGap(27, 27, 27)
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 101, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jLabel4)))
                                .addGroup(layout.createSequentialGroup()
                                    .addGap(18, 18, 18)
                                    .addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE))))
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 272, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addContainerGap(13, Short.MAX_VALUE))
            );
            layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addGap(12, 12, 12)
                            .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addGap(18, 18, 18)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(jLabel2)
                                .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGap(11, 11, 11)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel3)
                                .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addGroup(layout.createSequentialGroup()
                            .addGap(67, 67, 67)
                            .addComponent(jLabel4)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(jTextField6, 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.BASELINE)
                        .addComponent(jButton1)
                        .addComponent(jButton2))
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            );
     
            pack();
        }// </editor-fold>                        
     
        private void jTextField4ActionPerformed(java.awt.event.ActionEvent evt) {                                            
            // TODO add your handling code here:
        }                                           
     
        private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
     //quit       
            System.exit(0);
        }                                        
     
        private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
     //calculate        
            double retailPrice;
            double wholePrice = 0;
            double markUp = 0;
        retailPrice = ((wholePrice * markUp) * .01) + wholePrice;
        }                                        
     
        private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {                                            
     //wholesale price       
            String wholeSaleInput;
            double wholePrice;
            wholeSaleInput = wholeSalePriceField.getText();
            wholePrice = Double.parseDouble(wholeSaleInput);
        }                                           
     
        private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {                                            
     //markup percentage 
            String markUpInput;
            double markUp;
            //markUpInput = markUpPercentage.getText();
            markUpInput = wholeSalePriceField.getText();
            markUp = Double.parseDouble(markUpInput);
        }                                           
     
        private void jTextField6ActionPerformed(java.awt.event.ActionEvent evt) {                                            
      //retail price      
            String wholesaleInput = null; //I have a hunch that my problem lies here, just do not know how to fix it.
            double retailPriceD;
            double wholePrice;
            double markUp = 0;
            wholePrice = Double.parseDouble(wholesaleInput);
            retailPriceD = ((wholePrice * markUp) * .01) + wholePrice;
            JOptionPane.showMessageDialog(null, "Retail Price: $" + retailPrice);
     
        }
    Thank you.
    It looks to me that you've been using the WindowBuilder plug-in for Eclipse or NetBeans.

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