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Trying to get text from a text field to move to a text area


Trying to get text from a text field to move to a text area

By : Marťas Nééymarék Otr
Date : November 21 2020, 09:01 AM
Any of those help , This will solve the issues in your code :
code :
    public class InClass1Main extends JFrame {

    JTextField textField1;
    JTextArea textArea1;
    int buttonClicked;

    public static void main(String[] args) {
        new InClass1Main();
    }

    public InClass1Main() {

        Toolkit tk = Toolkit.getDefaultToolkit();

        Dimension dim = tk.getScreenSize();
        this.setSize((dim.width / 2), (dim.height / 2));
        int xPos = (dim.width / 2) - (this.getWidth() / 2);
        int yPos = (dim.height / 2) - (this.getHeight() / 2);

        JPanel panel = new JPanel();
        JLabel label1 = new JLabel("Translation Panel");
        JButton button1 = new JButton("Transfer");

        ListenForButton button = new ListenForButton();

        button1.addActionListener(button);

        textField1 = new JTextField();//no need to declare any other JTextField object just initialize the above crated 
        textArea1 = new JTextArea(10, 50);//same here
        JScrollPane scrollBar1 = new JScrollPane(textArea1, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

        textField1.setColumns(50);

        int numOfLines = textArea1.getLineCount();

        textArea1.setLineWrap(true);
        textArea1.setWrapStyleWord(true);
        textArea1.append(" Number of lines: " + numOfLines);

        panel.add(label1);
        panel.add(button1);
        panel.add(textField1);
        panel.add(scrollBar1);

        this.add(panel);
        this.setLocation(xPos, yPos);
        this.setResizable(false);
        this.setTitle("Translation Frame");
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setVisible(true);

        textField1.requestFocus();

    }

    private class ListenForButton implements ActionListener {

        @Override
        public void actionPerformed(ActionEvent e) {
        new InClass1Main().textArea1.setText(textField1.getText());
        new InClass1Main().textField1.setText(null);
        }

    }


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automatically move the focus of next text field if the length of the text field is equal to max range

automatically move the focus of next text field if the length of the text field is equal to max range


By : user3569720
Date : March 29 2020, 07:55 AM
like below fixes the issue hi i have to text fields i want to move the focus from first text field to another textfield automatically , the first textfield max range is 7
but:
code :
if (textField.text.length + insertDelta >= 8)
How do I move text from a file into a text area?

How do I move text from a file into a text area?


By : user3650205
Date : March 29 2020, 07:55 AM
this one helps. Use the API provided by all Swing text components to read a file. Something like:
code :
FileReader reader = new FileReader( file );
BufferedReader br = new BufferedReader(reader);
textArea.read( br, null );
br.close();
Typing into a text field then appending it to the text area getting weird output-GUI JAVA

Typing into a text field then appending it to the text area getting weird output-GUI JAVA


By : user3429474
Date : March 29 2020, 07:55 AM
To fix the issue you can do You're appending the JTextField not its content, and so you're seeing the result of calling toString() on this JTextField object. The fix is small and simple:
Change:
code :
String line = text.getText();
textArea.append(text + "\n"); // don't use text here
String line = text.getText();
textArea.append(line + "\n"); // notice the difference? using line here
How to move label text to top of the input text field only when I type some text

How to move label text to top of the input text field only when I type some text


By : Allay Khalil
Date : March 29 2020, 07:55 AM
Hope this helps I can think of two ways of doing this. Trick here is to use hintText:
First: using onChanged: method.
code :
class MyClass extends StatefulWidget {
  @override
  _MyClassState createState() => new _MyClassState();
}

class _MyClassState extends State<MyClass> with SingleTickerProviderStateMixin {
  TextEditingController nameTextEditingController = TextEditingController();
  String _labelText;

  @override
  void initState() {
    super.initState();
   // nameTextEditingController.addListener(_hasStartedTyping);
  }

//  void _hasStartedTyping() {
//    setState(() {
//      if (nameTextEditingController.text.isNotEmpty) {
//        _labelText = 'Name';
//      } else {
//        _labelText = null;
//      }
//    });
//  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Padding(
          padding: EdgeInsets.symmetric(horizontal: 25, vertical: 30),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              TextFormField(
                keyboardType: TextInputType.text,
                autofocus: false,
                textAlign: TextAlign.start,
                onChanged: (v){
                  setState(() {
                    if(v.isNotEmpty){
                      _labelText = 'Name';
                    }else{
                      _labelText = null;
                    }
                  });

                },
                textInputAction: TextInputAction.done,
                controller: nameTextEditingController,
                style: TextStyle(
                    color: Colors.black87,
                    fontSize: 18,
                    fontWeight: FontWeight.w500),
                decoration: InputDecoration(
                  contentPadding: EdgeInsets.symmetric(vertical: 15),
                  labelText: _labelText,
                  hintText: 'Name',
                  hintStyle: TextStyle(
                      color: Colors.grey,
                      fontSize: 18,
                      fontWeight: FontWeight.w500),
                  labelStyle: TextStyle(
                      color: Colors.grey,
                      fontSize: 18,
                      fontWeight: FontWeight.w500),
                  focusedBorder: OutlineInputBorder(
                      borderSide:
                          BorderSide(color: Colors.transparent, width: 1)),
                ),
              ),
            ],
          )),
    );
  }
}
class MyClass extends StatefulWidget {
  @override
  _MyClassState createState() => new _MyClassState();
}

class _MyClassState extends State<MyClass> with SingleTickerProviderStateMixin {
  TextEditingController nameTextEditingController = TextEditingController();
  String _labelText;

  @override
  void initState() {
    super.initState();
    nameTextEditingController.addListener(_hasStartedTyping);
  }

  void _hasStartedTyping() {
    setState(() {
      if (nameTextEditingController.text.isNotEmpty) {
        _labelText = 'Name';
      } else {
        _labelText = null;
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Padding(
          padding: EdgeInsets.symmetric(horizontal: 25, vertical: 30),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              TextFormField(
                keyboardType: TextInputType.text,
                autofocus: false,
                textAlign: TextAlign.start,
//                onChanged: (v){
//                  setState(() {
//                    if(v.isNotEmpty){
//                      _labelText = 'Name';
//                    }else{
//                      _labelText = null;
//                    }
//                  });
//
//                },
                textInputAction: TextInputAction.done,
                controller: nameTextEditingController,
                style: TextStyle(
                    color: Colors.black87,
                    fontSize: 18,
                    fontWeight: FontWeight.w500),
                decoration: InputDecoration(
                  contentPadding: EdgeInsets.symmetric(vertical: 15),
                  labelText: _labelText,
                  hintText: 'Name',
                  hintStyle: TextStyle(
                      color: Colors.grey,
                      fontSize: 18,
                      fontWeight: FontWeight.w500),
                  labelStyle: TextStyle(
                      color: Colors.grey,
                      fontSize: 18,
                      fontWeight: FontWeight.w500),
                  focusedBorder: OutlineInputBorder(
                      borderSide:
                          BorderSide(color: Colors.transparent, width: 1)),
                ),
              ),
            ],
          )),
    );
  }
}
Can we put combobox, radio button, text field, table on text area?

Can we put combobox, radio button, text field, table on text area?


By : Ankur Goel
Date : March 29 2020, 07:55 AM
may help you . No (to a JTextArea), but you should be able to do it using a JTextPane, see JTextPane#insertComponent for more details
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