org.simantics.interop/src/org/simantics/interop/issues/AbstractIssue.java

   1 package org.simantics.interop.issues;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.List;\r
   5 \r
   6 import org.eclipse.swt.widgets.Display;\r
   7 \r
   8 public abstract class AbstractIssue implements Issue{\r
   9         \r
  10         private String description;\r
  11         private List<IssueListener> listeners =  new ArrayList<IssueListener>();\r
  12         \r
  13         @Override\r
  14         public String getDescription() {\r
  15                 return description;\r
  16         }\r
  17         \r
  18         public void setDescription(String description) {\r
  19                 this.description = description;\r
  20                 fireUpdated();\r
  21         }\r
  22         \r
  23         protected void fireUpdated() {\r
  24                 Display.getDefault().asyncExec(new Runnable() {\r
  25                         @Override\r
  26                         public void run() {\r
  27                                 synchronized (listeners) {\r
  28                                         for (IssueListener l : listeners) {\r
  29                                                 l.updated(AbstractIssue.this);\r
  30                                         }       \r
  31                                 }\r
  32                                 \r
  33                         }\r
  34                 });\r
  35         }\r
  36         \r
  37         protected void fireDisposed() {\r
  38                 Display.getDefault().asyncExec(new Runnable() {\r
  39                         @Override\r
  40                         public void run() {\r
  41                                 List<IssueListener> list = new ArrayList<IssueListener>();\r
  42                                 list.addAll(listeners);\r
  43                                 for (IssueListener l : list) {\r
  44                                         l.disposed(AbstractIssue.this);\r
  45                                 }\r
  46                                 listeners.clear();\r
  47                         }\r
  48                 });\r
  49         }\r
  50         \r
  51         @Override\r
  52         public void addListener(IssueListener listener) {\r
  53                 synchronized(listeners) {\r
  54                         listeners.add(listener);\r
  55                 }\r
  56         }\r
  57         \r
  58         @Override\r
  59         public void removeListener(IssueListener listener) {\r
  60                 synchronized(listeners) {\r
  61                         listeners.remove(listener);\r
  62                 }\r
  63         }\r
  64         \r
  65         @Override\r
  66         public void dispose() {\r
  67                 fireDisposed();\r
  68         }\r
  69 \r
  70 }\r