CmsEditable.java

   1 package org.argeo.api.cms;
   2
   3 /** Abstraction of a simple edition life cycle. */
   4 public interface CmsEditable {
   5
   6         /** Whether the calling thread can edit, the value is immutable */
   7         public Boolean canEdit();
   8
   9         public Boolean isEditing();
  10
  11         public void startEditing();
  12
  13         public void stopEditing();
  14
  15         public static CmsEditable NON_EDITABLE = new CmsEditable() {
  16
  17                 @Override
  18                 public void stopEditing() {
  19                 }
  20
  21                 @Override
  22                 public void startEditing() {
  23                 }
  24
  25                 @Override
  26                 public Boolean isEditing() {
  27                         return false;
  28                 }
  29
  30                 @Override
  31                 public Boolean canEdit() {
  32                         return false;
  33                 }
  34         };
  35
  36         public static CmsEditable ALWAYS_EDITING = new CmsEditable() {
  37
  38                 @Override
  39                 public void stopEditing() {
  40                 }
  41
  42                 @Override
  43                 public void startEditing() {
  44                 }
  45
  46                 @Override
  47                 public Boolean isEditing() {
  48                         return true;
  49                 }
  50
  51                 @Override
  52                 public Boolean canEdit() {
  53                         return true;
  54                 }
  55         };
  56
  57 }