net.mograsim.logic.model/src/net/mograsim/logic/model/snippets/highlevelstatehandlers/standard/atomic/DelegatingAtomicHighLevelStateHandler.java

   1 package net.mograsim.logic.model.snippets.highlevelstatehandlers.standard.atomic;
   2
   3 import net.mograsim.logic.model.model.components.GUIComponent;
   4 import net.mograsim.logic.model.model.components.submodels.SubmodelComponent;
   5 import net.mograsim.logic.model.snippets.highlevelstatehandlers.standard.HighLevelStateHandlerContext;
   6
   7 public class DelegatingAtomicHighLevelStateHandler implements AtomicHighLevelStateHandler
   8 {
   9         private final SubmodelComponent parentComponent;
  10         private GUIComponent delegateTarget;
  11         private String subStateID;
  12
  13         public DelegatingAtomicHighLevelStateHandler(HighLevelStateHandlerContext context)
  14         {
  15                 this(context, null);
  16         }
  17
  18         public DelegatingAtomicHighLevelStateHandler(HighLevelStateHandlerContext context, DelegatingAtomicHighLevelStateHandlerParams params)
  19         {
  20                 this.parentComponent = context.component;
  21                 if (params != null)
  22                 {
  23                         // TODO document this
  24                         if (params.delegateTarget == null)
  25                                 setDelegateTarget(parentComponent);
  26                         else
  27                                 setDelegateTarget(parentComponent.submodel.getComponentsByName().get(params.delegateTarget));
  28                         setSubStateID(params.subStateID);
  29                 }
  30         }
  31
  32         public void set(GUIComponent delegateTarget, String subStateID)
  33         {
  34                 setDelegateTarget(delegateTarget);
  35                 setSubStateID(subStateID);
  36         }
  37
  38         public void setDelegateTarget(GUIComponent delegateTarget)
  39         {
  40                 if (delegateTarget == null)
  41                         this.delegateTarget = parentComponent;
  42                 else if (!parentComponent.submodel.getComponentsByName().containsValue(delegateTarget))
  43                         throw new IllegalArgumentException(
  44                                         "Can only set components belonging to the submodel of the parent component of this handler as the delegate target");
  45                 this.delegateTarget = delegateTarget;
  46         }
  47
  48         public void setSubStateID(String subStateID)
  49         {
  50                 this.subStateID = subStateID;
  51         }
  52
  53         @Override
  54         public Object getHighLevelState()
  55         {
  56                 return delegateTarget.getHighLevelState(subStateID);
  57         }
  58
  59         @Override
  60         public void setHighLevelState(Object newState)
  61         {
  62                 delegateTarget.setHighLevelState(subStateID, newState);
  63         }
  64
  65         public static class DelegatingAtomicHighLevelStateHandlerParams
  66         {
  67                 public String delegateTarget;
  68                 public String subStateID;
  69         }
  70 }