bundles/org.simantics.fileimport.ui/src/org/simantics/fileimport/ui/ImportFileHandler.java

   1 \r
   2 package org.simantics.fileimport.ui;\r
   3 \r
   4 import java.nio.file.Paths;\r
   5 import java.util.Map;\r
   6 import java.util.Optional;\r
   7 \r
   8 import javax.inject.Named;\r
   9 \r
  10 import org.eclipse.e4.core.di.annotations.CanExecute;\r
  11 import org.eclipse.e4.core.di.annotations.Execute;\r
  12 import org.eclipse.e4.ui.services.IServiceConstants;\r
  13 import org.eclipse.swt.SWT;\r
  14 import org.eclipse.swt.widgets.FileDialog;\r
  15 import org.eclipse.swt.widgets.Shell;\r
  16 import org.simantics.fileimport.FileImportService;\r
  17 \r
  18 public class ImportFileHandler {\r
  19 \r
  20     @CanExecute\r
  21     public boolean canExecute() {\r
  22         return !FileImportService.supportedExtensionsWithFilters().isEmpty();\r
  23     }\r
  24 \r
  25     @Execute\r
  26     public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell shell) {\r
  27 \r
  28         Map<String, String> extensions = FileImportService.supportedExtensionsWithFilters();\r
  29         String[] filterExtensions = (String[]) extensions.keySet().toArray(new String[extensions.keySet().size()]);\r
  30         String[] filterNames = (String[]) extensions.values().toArray(new String[extensions.values().size()]);\r
  31         \r
  32         // Sanity check\r
  33         for (int i = 0; i < filterExtensions.length; i++) {\r
  34             String extension = filterExtensions[i];\r
  35             if (!extension.startsWith("*.")) {\r
  36                 System.err.println("Invalid extension filter provied: " + extension);\r
  37             }\r
  38         }\r
  39 \r
  40         FileDialog dialog = new FileDialog(shell, SWT.OPEN);\r
  41         dialog.setText("Choose File");\r
  42         dialog.setFilterExtensions(filterExtensions);\r
  43         dialog.setFilterNames(filterNames);\r
  44         final String fileName = dialog.open();\r
  45         if (fileName == null)\r
  46             return;\r
  47         FileImportService.performFileImport(Paths.get(fileName), Optional.empty());\r
  48     }\r
  49 }