Java - How to create a custom dialog box

Question

I have a button on a JFrame that when clicked I want a dialog box to popup with multiple text areas for user input   I have been looking all around to try to figure out how to do this but I keep on getting more confused  Can anyone help

User · Answer

This lesson from the Java tutorial explains each Swing component in detail  with examples and API links

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If you don t need much in the way of custom behavior  JOptionPane is a good time saver   It takes care of the placement and localization of OK   Cancel options  and is a quick-and-dirty way to show a custom dialog without needing to define your own classes   Most of the time the  message  parameter in JOptionPane is a String  but you can pass in a JComponent or array of JComponents as well   Example   JTextField firstName   new JTextField    JTextField lastName   new JTextField    JPasswordField password   new JPasswordField    final JComponent   inputs   new JComponent             new JLabel  First            firstName          new JLabel  Last            lastName          new JLabel  Password            password    int result   JOptionPane showConfirmDialog null  inputs   My custom dialog   JOptionPane PLAIN MESSAGE   if  result    JOptionPane OK OPTION        System out println  You entered                 firstName getText                        lastName getText                        password getText       else       System out println  User canceled   closed the dialog  result       result

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i created a custom dialog API  check it out here https   github com MarkMyWord03 CustomDialog  It supports message and confirmation box  input and option dialog just like in joptionpane will be implemented soon   Sample Error Dialog from CUstomDialog API  CustomDialog Error Message

User · Answer

Well  you essentially create a JDialog  add your text components and make it visible  It might help if you narrow down which specific bit you re having trouble with

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Try this simple class for customizing a dialog to your liking   import java util ArrayList  import java util List   import javax swing JComponent  import javax swing JLabel  import javax swing JOptionPane  import javax swing JRootPane   public class CustomDialog       private List lt JComponent gt  components       private String title      private int messageType      private JRootPane rootPane      private String   options      private int optionIndex       public CustomDialog                 components   new ArrayList lt  gt              setTitle  Custom dialog            setMessageType JOptionPane PLAIN MESSAGE           setRootPane null           setOptions new String      OK    Cancel              setOptionSelection 0              public void setTitle String title                this title   title             public void setMessageType int messageType                this messageType   messageType             public void addComponent JComponent component                components add component              public void addMessageText String messageText                JLabel label   new JLabel   lt html gt     messageText     lt  html gt              components add label              public void setRootPane JRootPane rootPane                this rootPane   rootPane             public void setOptions String   options                this options   options             public void setOptionSelection int optionIndex                this optionIndex   optionIndex             public int show                 int optionType   JOptionPane OK CANCEL OPTION          Object optionSelection   null           if options length    0                        optionSelection   options optionIndex                      int selection   JOptionPane showOptionDialog rootPane                  components toArray    title  optionType  messageType  null                  options  optionSelection            return selection             public static String getLineBreak                 return   lt br gt

User · Answer

If you use the NetBeans IDE  latest version at this time is 6 5 1   you can use it to create a basic GUI java application using File- New Project and choose the Java category then Java Desktop Application   Once created  you will have a simple bare bones GUI app which contains an about box that can be opened using a menu selection  You should be able to adapt this to your needs and learn how to open a dialog from a button click   You will be able to edit the dialog visually  Delete the items that are there and add some text areas  Play around with it and come back with more questions if you get stuck

[java] Java - How to create a custom dialog box?

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