bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/base/AbstractEventCommand.java

   1 package org.simantics.document.swt.core.base;
   2
   3 import org.simantics.document.server.IEventCommand;
   4 import org.simantics.document.server.io.CommandContext;
   5 import org.simantics.document.server.io.CommandContextMutable;
   6 import org.simantics.document.swt.core.SWTDocument;
   7
   8 public abstract class AbstractEventCommand implements IEventCommand {
   9
  10     protected IEventCommand next;
  11     protected SWTDocument document;
  12
  13     public AbstractEventCommand(SWTDocument document) {
  14         this.document = document;
  15     }
  16
  17     @Override
  18     public void setNext(IEventCommand next) {
  19         this.next = next;
  20     }
  21
  22     @Override
  23     public IEventCommand getNext() {
  24         return this.next;
  25     }
  26
  27     @Override
  28     public CommandContext commandSuccess(CommandContextMutable context) {
  29         if(next != null)
  30             return next.handleCommand(context);
  31         return context;
  32     }
  33
  34     @Override
  35     public void commandError(String errorMessage) {
  36         System.err.println(this + " failed: " + errorMessage);
  37     }
  38
  39 }