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

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