ui/ConfigItemBoolean.java

   1 package be.nikiroo.utils.ui;
   2
   3 import javax.swing.JCheckBox;
   4 import javax.swing.JComponent;
   5
   6 import be.nikiroo.utils.resources.MetaInfo;
   7
   8 class ConfigItemBoolean<E extends Enum<E>> extends ConfigItem<E> {
   9         private static final long serialVersionUID = 1L;
  10
  11         /**
  12          * Create a new {@link ConfigItemBoolean} for the given {@link MetaInfo}.
  13          *
  14          * @param info
  15          *            the {@link MetaInfo}
  16          */
  17         public ConfigItemBoolean(MetaInfo<E> info) {
  18                 super(info, true);
  19         }
  20
  21         @Override
  22         protected Object getFromField(int item) {
  23                 JCheckBox field = (JCheckBox) getField(item);
  24                 if (field != null) {
  25                         return field.isSelected();
  26                 }
  27
  28                 return null;
  29         }
  30
  31         @Override
  32         protected Object getFromInfo(int item) {
  33                 return getInfo().getBoolean(item, true);
  34         }
  35
  36         @Override
  37         protected void setToField(Object value, int item) {
  38                 JCheckBox field = (JCheckBox) getField(item);
  39                 if (field != null) {
  40                         // Should not happen if config enum is correct
  41                         // (but this is not enforced)
  42                         if (value == null) {
  43                                 value = false;
  44                         }
  45
  46                         field.setSelected((Boolean) value);
  47                 }
  48         }
  49
  50         @Override
  51         protected void setToInfo(Object value, int item) {
  52                 getInfo().setBoolean((Boolean) value, item);
  53         }
  54
  55         @Override
  56         protected JComponent createEmptyField(int item) {
  57                 // Should not happen!
  58                 if (getFromInfo(item) == null) {
  59                         System.err
  60                                         .println("No default value given for BOOLEAN parameter \""
  61                                                         + getInfo().getName()
  62                                                         + "\", we consider it is FALSE");
  63                 }
  64
  65                 return new JCheckBox();
  66         }
  67 }