bundles/org.simantics.migration.ui/src/org/simantics/migration/ui/MigrateActionFactory.java

   1 package org.simantics.migration.ui;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collections;\r
   5 \r
   6 import org.eclipse.jface.viewers.IStructuredContentProvider;\r
   7 import org.eclipse.jface.viewers.LabelProvider;\r
   8 import org.eclipse.jface.viewers.Viewer;\r
   9 import org.eclipse.swt.widgets.Display;\r
  10 import org.eclipse.ui.dialogs.ListDialog;\r
  11 import org.simantics.Simantics;\r
  12 import org.simantics.db.ReadGraph;\r
  13 import org.simantics.db.Resource;\r
  14 import org.simantics.db.common.request.ReadRequest;\r
  15 import org.simantics.db.exception.DatabaseException;\r
  16 import org.simantics.db.layer0.adapter.ActionFactory;\r
  17 import org.simantics.layer0.SoftwareConfigurationResources;\r
  18 import org.simantics.migration.ui.MigrationAnalysis.Update;\r
  19 \r
  20 public class MigrateActionFactory implements ActionFactory {\r
  21 \r
  22     @Override\r
  23     public Runnable create(Object target) {\r
  24         final Resource resource = (Resource)target;\r
  25         return new Runnable() {\r
  26             @Override\r
  27             public void run() {\r
  28                 analyze(resource);\r
  29             }            \r
  30         };\r
  31     }\r
  32     \r
  33     private void analyze(final Resource resource) {\r
  34         Simantics.getSession().asyncRequest(new ReadRequest() {            \r
  35             @Override\r
  36             public void run(ReadGraph graph) throws DatabaseException {\r
  37                 SoftwareConfigurationResources SC = SoftwareConfigurationResources.getInstance(graph);\r
  38                 final ArrayList<Update> updates = new ArrayList<Update>();\r
  39                 for(Resource version : graph.getObjects(resource, SC.IsCompatibleWith)) {\r
  40                     MigrationAnalysis analysis = new MigrationAnalysis(graph, version);\r
  41                     updates.addAll(analysis.getUpdates());\r
  42                 }\r
  43                 Collections.sort(updates);\r
  44                 Display.getDefault().asyncExec(new Runnable() {\r
  45                     @Override\r
  46                     public void run() {\r
  47                         select(resource, updates);                        \r
  48                     }            \r
  49                 });  \r
  50             }\r
  51         });\r
  52     }\r
  53     \r
  54     private void select(final Resource resource, final ArrayList<Update> updates) {\r
  55         ListDialog listDialog = new ListDialog(Display.getCurrent().getActiveShell());\r
  56         listDialog.setTitle("Migrate");\r
  57         listDialog.setMessage("Choose the version to migrate to");\r
  58         listDialog.setContentProvider(new IStructuredContentProvider() {            \r
  59             @Override\r
  60             public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {       \r
  61             }\r
  62             \r
  63             @Override\r
  64             public void dispose() {\r
  65             }\r
  66             \r
  67             @Override\r
  68             public Object[] getElements(Object inputElement) {\r
  69                 return updates.toArray();\r
  70             }\r
  71         });\r
  72         listDialog.setLabelProvider(new LabelProvider() {\r
  73             @Override\r
  74             public String getText(Object element) {\r
  75                 return ((Update)element).versionName;\r
  76             }\r
  77         });\r
  78         listDialog.setInput(updates);\r
  79         if(listDialog.open() == ListDialog.OK) {\r
  80             Object[] result = listDialog.getResult();\r
  81             if(result.length == 1) {\r
  82                 Update update = (Update)result[0];\r
  83                 try {\r
  84                     update.execute(resource);\r
  85                     update.updateTargetVersion(resource);                    \r
  86                 } catch(DatabaseException e) {\r
  87                     e.printStackTrace();\r
  88                 }\r
  89             }\r
  90         }\r
  91     }\r
  92 \r
  93 }\r