ux/widgets/AbstractDataPart.java

   1 package org.argeo.cms.ux.widgets;
   2
   3 import java.util.IdentityHashMap;
   4 import java.util.function.Consumer;
   5
   6 public abstract class AbstractDataPart<INPUT, T> implements DataPart<INPUT, T> {
   7
   8         private Consumer<T> onSelected;
   9         private Consumer<T> onAction;
  10
  11         private IdentityHashMap<DataView<INPUT, T>, Object> views = new IdentityHashMap<>();
  12
  13         private INPUT data;
  14
  15         @Override
  16         public void setInput(INPUT data) {
  17                 this.data = data;
  18                 refresh();
  19         }
  20
  21         @Override
  22         public INPUT getInput() {
  23                 return data;
  24         }
  25
  26         @Override
  27         public void onSelected(Consumer<T> onSelected) {
  28                 this.onSelected = onSelected;
  29         }
  30
  31         @Override
  32         public void onAction(Consumer<T> onAction) {
  33                 this.onAction = onAction;
  34         }
  35
  36         public Consumer<T> getOnSelected() {
  37                 return onSelected;
  38         }
  39
  40         public Consumer<T> getOnAction() {
  41                 return onAction;
  42         }
  43
  44         @Override
  45         public void refresh() {
  46                 for (DataView<INPUT, T> view : views.keySet()) {
  47                         view.refresh();
  48                 }
  49         }
  50
  51         protected void notifyItemCountChange() {
  52                 for (DataView<INPUT, T> view : views.keySet()) {
  53                         view.notifyItemCountChange();
  54                 }
  55         }
  56
  57         @Override
  58         public void addView(DataView<INPUT, T> view) {
  59                 views.put(view, new Object());
  60         }
  61
  62         @Override
  63         public void removeView(DataView<INPUT, T> view) {
  64                 views.remove(view);
  65         }
  66
  67 }