org.argeo.api.cms/src/org/argeo/api/cms/ux/CmsEditable.java

   1 package org.argeo.api.cms.ux;
   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         Boolean canEdit();
   8
   9         Boolean isEditing();
  10
  11         void startEditing();
  12
  13         void stopEditing();
  14
  15         void addCmsEditionListener(CmsEditionListener listener);
  16
  17         void removeCmsEditionListener(CmsEditionListener listener);
  18
  19         static CmsEditable NON_EDITABLE = new CmsEditable() {
  20
  21                 @Override
  22                 public void stopEditing() {
  23                 }
  24
  25                 @Override
  26                 public void startEditing() {
  27                 }
  28
  29                 @Override
  30                 public Boolean isEditing() {
  31                         return false;
  32                 }
  33
  34                 @Override
  35                 public Boolean canEdit() {
  36                         return false;
  37                 }
  38
  39                 @Override
  40                 public void addCmsEditionListener(CmsEditionListener listener) {
  41                 }
  42
  43                 @Override
  44                 public void removeCmsEditionListener(CmsEditionListener listener) {
  45                 }
  46
  47         };
  48
  49         static CmsEditable ALWAYS_EDITING = new CmsEditable() {
  50
  51                 @Override
  52                 public void stopEditing() {
  53                 }
  54
  55                 @Override
  56                 public void startEditing() {
  57                 }
  58
  59                 @Override
  60                 public Boolean isEditing() {
  61                         return true;
  62                 }
  63
  64                 @Override
  65                 public Boolean canEdit() {
  66                         return true;
  67                 }
  68
  69                 @Override
  70                 public void addCmsEditionListener(CmsEditionListener listener) {
  71                 }
  72
  73                 @Override
  74                 public void removeCmsEditionListener(CmsEditionListener listener) {
  75                 }
  76
  77         };
  78
  79 }