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

   1 package org.simantics.interop.issues;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collections;\r
   5 import java.util.List;\r
   6 \r
   7 import org.eclipse.swt.widgets.Display;\r
   8 \r
   9 /**\r
  10  * IssueReporter is singleton class that handles collecting issues.\r
  11  * \r
  12  * TODO: how to store issues when the application is closed? Memento-based?\r
  13  * \r
  14  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  15  *\r
  16  */\r
  17 public class IssueReporter implements IssueListener{\r
  18         \r
  19         private static IssueReporter INSTANCE;\r
  20         \r
  21         private List<Issue> issues = new ArrayList<Issue>();\r
  22         private List<IssueReporterListener> listeners = new ArrayList<IssueReporterListener>();\r
  23         \r
  24         \r
  25         private IssueReporter() {\r
  26                 \r
  27         }\r
  28         \r
  29         public static IssueReporter getInstance() {\r
  30                 if (INSTANCE == null)\r
  31                         INSTANCE = new IssueReporter();\r
  32                 return INSTANCE;\r
  33         }\r
  34         \r
  35         /**\r
  36          * Retuns list of issues.\r
  37          * @return\r
  38          */\r
  39         public List<Issue> getIssues() {\r
  40                 return Collections.unmodifiableList(issues);\r
  41         }\r
  42         \r
  43         public void addIssue(Issue issue) {\r
  44                 issues.add(issue);\r
  45                 issue.addListener(this);\r
  46                 fireAdded(issue);\r
  47         }\r
  48         \r
  49         public void removeIssue(Issue issue) {\r
  50                 issue.removeListener(this);\r
  51                 issues.remove(issue);\r
  52                 fireRemoved(issue);\r
  53         }\r
  54         \r
  55         @Override\r
  56         public void updated(Issue issue) {\r
  57                 fireUpdated(issue);\r
  58         }\r
  59         \r
  60         @Override\r
  61         public void disposed(Issue issue) {\r
  62                 issue.removeListener(this);\r
  63                 issues.remove(issue);\r
  64                 fireRemoved(issue);\r
  65         }\r
  66         \r
  67         \r
  68         public void addListener(IssueReporterListener listener) {\r
  69                 listeners.add(listener);\r
  70         }\r
  71         \r
  72         public void removeListener(IssueReporterListener listener) {\r
  73                 listeners.remove(listener);\r
  74         }\r
  75         \r
  76         protected void fireAdded(final Issue issue) {\r
  77                 Display.getDefault().asyncExec(new Runnable() {\r
  78                         @Override\r
  79                         public void run() {\r
  80                                 for (IssueReporterListener l : listeners)\r
  81                                         l.added(issue);\r
  82                         }\r
  83                 });\r
  84         }\r
  85         \r
  86         protected void fireRemoved(final Issue issue) {\r
  87                 Display.getDefault().asyncExec(new Runnable() {\r
  88                         @Override\r
  89                         public void run() {\r
  90                                 for (IssueReporterListener l : listeners)\r
  91                                         l.removed(issue);\r
  92                         }\r
  93                 });\r
  94         }\r
  95         \r
  96         protected void fireUpdated(final Issue issue) {\r
  97                 Display.getDefault().asyncExec(new Runnable() {\r
  98                         @Override\r
  99                         public void run() {\r
 100                                 for (IssueReporterListener l : listeners)\r
 101                                         l.updated(issue);\r
 102                         }\r
 103                 });\r
 104         }\r
 105         \r
 106 \r
 107 }\r