src/com/googlecode/lanterna/gui2/dialogs/MessageDialogBuilder.java

   1 package com.googlecode.lanterna.gui2.dialogs;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 /**
   7  * Dialog builder for the {@code MessageDialog} class, use this to create instances of that class and to customize
   8  * them
   9  * @author Martin
  10  */
  11 public class MessageDialogBuilder {
  12     private String title;
  13     private String text;
  14     private List<MessageDialogButton> buttons;
  15
  16     /**
  17      * Default constructor
  18      */
  19     public MessageDialogBuilder() {
  20         this.title = "MessageDialog";
  21         this.text = "Text";
  22         this.buttons = new ArrayList<MessageDialogButton>();
  23     }
  24
  25     /**
  26      * Builds a new {@code MessageDialog} from the properties in the builder
  27      * @return Newly build {@code MessageDialog}
  28      */
  29     public MessageDialog build() {
  30         return new MessageDialog(
  31                 title,
  32                 text,
  33                 buttons.toArray(new MessageDialogButton[buttons.size()]));
  34     }
  35
  36     /**
  37      * Sets the title of the {@code MessageDialog}
  38      * @param title New title of the message dialog
  39      * @return Itself
  40      */
  41     public MessageDialogBuilder setTitle(String title) {
  42         if(title == null) {
  43             title = "";
  44         }
  45         this.title = title;
  46         return this;
  47     }
  48
  49     /**
  50      * Sets the main text of the {@code MessageDialog}
  51      * @param text Main text of the {@code MessageDialog}
  52      * @return Itself
  53      */
  54     public MessageDialogBuilder setText(String text) {
  55         if(text == null) {
  56             text = "";
  57         }
  58         this.text = text;
  59         return this;
  60     }
  61
  62     /**
  63      * Adds a button to the dialog
  64      * @param button Button to add to the dialog
  65      * @return Itself
  66      */
  67     public MessageDialogBuilder addButton(MessageDialogButton button) {
  68         if(button != null) {
  69             buttons.add(button);
  70         }
  71         return this;
  72     }
  73 }