gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 package org.simantics.sysdyn.ui.wizards.models;\r
   2 \r
   3 import java.io.File;\r
   4 import java.io.IOException;\r
   5 import java.util.ArrayList;\r
   6 \r
   7 import org.eclipse.core.runtime.Path;\r
   8 import org.eclipse.jface.layout.GridDataFactory;\r
   9 import org.eclipse.jface.layout.PixelConverter;\r
  10 import org.eclipse.jface.viewers.ISelection;\r
  11 import org.eclipse.jface.viewers.ISelectionProvider;\r
  12 import org.eclipse.jface.viewers.IStructuredSelection;\r
  13 import org.eclipse.jface.wizard.WizardPage;\r
  14 import org.eclipse.swt.SWT;\r
  15 import org.eclipse.swt.events.ModifyEvent;\r
  16 import org.eclipse.swt.events.ModifyListener;\r
  17 import org.eclipse.swt.events.SelectionAdapter;\r
  18 import org.eclipse.swt.events.SelectionEvent;\r
  19 import org.eclipse.swt.events.SelectionListener;\r
  20 import org.eclipse.swt.layout.GridData;\r
  21 import org.eclipse.swt.layout.GridLayout;\r
  22 import org.eclipse.swt.widgets.Button;\r
  23 import org.eclipse.swt.widgets.Composite;\r
  24 import org.eclipse.swt.widgets.FileDialog;\r
  25 import org.eclipse.swt.widgets.Label;\r
  26 import org.eclipse.swt.widgets.Shell;\r
  27 import org.eclipse.swt.widgets.Text;\r
  28 import org.eclipse.swt.widgets.Tree;\r
  29 import org.simantics.browsing.ui.swt.AdaptableHintContext;\r
  30 import org.simantics.browsing.ui.swt.widgets.GraphExplorerComposite;\r
  31 import org.simantics.databoard.Bindings;\r
  32 import org.simantics.databoard.Files;\r
  33 import org.simantics.databoard.binding.error.RuntimeBindingConstructionException;\r
  34 import org.simantics.db.ReadGraph;\r
  35 import org.simantics.db.Resource;\r
  36 import org.simantics.db.common.primitiverequest.PossibleRelatedValue;\r
  37 import org.simantics.db.common.request.ReadRequest;\r
  38 import org.simantics.db.exception.DatabaseException;\r
  39 import org.simantics.db.layer0.util.TransferableGraphRequest2;\r
  40 import org.simantics.db.request.Read;\r
  41 import org.simantics.graph.representation.TransferableGraph1;\r
  42 import org.simantics.layer0.Layer0;\r
  43 import org.simantics.sysdyn.SysdynResource;\r
  44 import org.simantics.ui.SimanticsUI;\r
  45 import org.simantics.utils.datastructures.ArrayMap;\r
  46 import org.simantics.utils.datastructures.Pair;\r
  47 \r
  48 public class WizardModelsExportPage extends WizardPage {\r
  49         \r
  50         // dialog store id constants\r
  51         private Text filePathField;\r
  52         \r
  53         // Keep track of the archive that we browsed to last time\r
  54         // the wizard was invoked.\r
  55 \r
  56         private static String previouslyBrowsedFile = "";\r
  57 \r
  58         private Button browseDirectoriesButton;\r
  59         \r
  60         //private IStructuredSelection currentSelection;\r
  61         \r
  62         private Resource selectedModel;\r
  63         \r
  64         GraphExplorerComposite modelExplorer;\r
  65         \r
  66         private boolean selectionMade = false;\r
  67         \r
  68         \r
  69         \r
  70         /**\r
  71          * Creates a new project creation wizard page.\r
  72          * \r
  73          */\r
  74         public WizardModelsExportPage() {\r
  75                 this("wizardModelsExportPage", null, null); //$NON-NLS-1$\r
  76         }\r
  77 \r
  78         /**\r
  79          * Create a new instance of the receiver.\r
  80          * \r
  81          * @param pageName\r
  82          */\r
  83         public WizardModelsExportPage(String pageName) {\r
  84                 this(pageName,null, null);\r
  85         }\r
  86                         \r
  87         /**\r
  88          * More (many more) parameters.\r
  89          * \r
  90          * @param pageName\r
  91          * @param initialPath\r
  92          * @param currentSelection\r
  93          * @since 3.5\r
  94          */\r
  95         public WizardModelsExportPage(String pageName,String initialPath,\r
  96                         IStructuredSelection currentSelection) {\r
  97                 super(pageName);\r
  98                 //this.currentSelection = currentSelection;\r
  99                 setPageComplete(false);\r
 100                 setTitle("Export Model");\r
 101                 setDescription("Choose the Model and the export location, then press Finish.");\r
 102         }\r
 103         \r
 104         public void createControl(Composite parent) {\r
 105                 \r
 106                 initializeDialogUnits(parent);\r
 107 \r
 108                 Composite workArea = new Composite(parent, SWT.NONE);\r
 109                 setControl(workArea);\r
 110 \r
 111                 workArea.setLayout(new GridLayout());\r
 112                 workArea.setLayoutData(new GridData(GridData.FILL_BOTH\r
 113                                 | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL));\r
 114                 \r
 115                 createProjectsRoot(workArea);\r
 116                 createTree (workArea);\r
 117         }\r
 118         \r
 119         private void createProjectsRoot(Composite workArea) {\r
 120                 \r
 121                 // set label for field\r
 122                 Label title = new Label(workArea, SWT.NONE);\r
 123                 title.setText("Select the export location for Model:");\r
 124                 \r
 125                 Composite projectGroup = new Composite(workArea, SWT.NONE);\r
 126                 GridLayout layout = new GridLayout();\r
 127                 layout.numColumns = 2;\r
 128                 layout.makeColumnsEqualWidth = false;\r
 129                 layout.marginWidth = 0;\r
 130 \r
 131                 projectGroup.setLayout(layout);\r
 132                 projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));\r
 133                 \r
 134                 // model location entry field\r
 135                 this.filePathField = new Text(projectGroup, SWT.BORDER);\r
 136 \r
 137                 GridData directoryPathData = new GridData(SWT.FILL, SWT.NONE, true, false);\r
 138                 directoryPathData.widthHint = new PixelConverter(filePathField).convertWidthInCharsToPixels(25);\r
 139                 filePathField.setLayoutData(directoryPathData);\r
 140                 \r
 141                 filePathField.addModifyListener(new ModifyListener(){\r
 142             @Override\r
 143             public void modifyText(ModifyEvent e) {\r
 144                 previouslyBrowsedFile = filePathField.getText();        \r
 145             }\r
 146                 });\r
 147                 if (previouslyBrowsedFile != null){\r
 148                         filePathField.setText(previouslyBrowsedFile);\r
 149                         validatePage();\r
 150                 }\r
 151 \r
 152                 // browse button\r
 153                 browseDirectoriesButton = new Button(projectGroup, SWT.PUSH);\r
 154                 browseDirectoriesButton.setText("Browse");\r
 155                 setButtonLayoutData(browseDirectoriesButton);\r
 156                 \r
 157                 browseDirectoriesButton.addSelectionListener(new SelectionAdapter() {\r
 158                         /*\r
 159                          * (non-Javadoc)\r
 160                          * \r
 161                          * @see org.eclipse.swt.events.SelectionAdapter#widgetS\r
 162                          * elected(org.eclipse.swt.events.SelectionEvent)\r
 163                          */\r
 164                         public void widgetSelected(SelectionEvent e) {\r
 165                                 handleLocationDirectoryButtonPressed();\r
 166                         }\r
 167                 });\r
 168                 \r
 169         }\r
 170         \r
 171         private void createTree(Composite workArea){\r
 172                 \r
 173                 //set label for tree\r
 174                 Label title = new Label(workArea, SWT.NONE);\r
 175                 title.setText("Select Model to export:");\r
 176 \r
 177                 try {\r
 178                         Resource input = SimanticsUI.getSession().syncRequest(new Read<Resource>() {\r
 179 \r
 180                                 @Override\r
 181                                 public Resource perform(ReadGraph graph)\r
 182                                                 throws DatabaseException {\r
 183                                         Resource model = SimanticsUI.getProject().get();\r
 184                                         return model;\r
 185                                 }\r
 186 \r
 187                         });\r
 188 \r
 189                         modelExplorer = new GraphExplorerComposite(ArrayMap.keys(\r
 190                                         "displaySelectors", "displayFilter").values(false, false), null, workArea, SWT.BORDER | SWT.SINGLE);\r
 191 \r
 192                         modelExplorer\r
 193                         .setBrowseContexts(SysdynResource.URIs.ImportModuleTree);\r
 194 \r
 195                         modelExplorer.finish();\r
 196 \r
 197                         modelExplorer.setInput(null, input);\r
 198 \r
 199                         GridDataFactory.fillDefaults().grab(true, true).applyTo(\r
 200                                         modelExplorer);\r
 201                         \r
 202                         ((Tree)modelExplorer.getExplorer().getControl()).addSelectionListener(new SelectionListener() {\r
 203                                 \r
 204                                 @Override\r
 205                                 public void widgetSelected(SelectionEvent e) {\r
 206                                         selectionMade = true;\r
 207                                         validatePage();\r
 208                                 }\r
 209                                 @Override\r
 210                                 public void widgetDefaultSelected(SelectionEvent e) {\r
 211                                         selectionMade = true;\r
 212                                         validatePage();\r
 213                                 }\r
 214                         });\r
 215                         \r
 216 \r
 217                 } catch (DatabaseException e) {\r
 218                         e.printStackTrace();\r
 219                 }\r
 220 \r
 221         }\r
 222         \r
 223         //Set filePathField active\r
 224         public void setVisible(boolean visible) {\r
 225                 super.setVisible(visible);\r
 226                 this.filePathField.setFocus();\r
 227         }\r
 228         \r
 229         //Open dialog for choosing the file\r
 230         protected void handleLocationDirectoryButtonPressed() {\r
 231                 final Shell shell = filePathField.getShell();\r
 232                 \r
 233                 FileDialog dialog = new FileDialog(shell, SWT.SAVE);\r
 234                 \r
 235                 String[] ext = {"*.tg"};\r
 236                 dialog.setFilterExtensions(ext);\r
 237                 \r
 238                 dialog.setText("Export Model");\r
 239 \r
 240                 String dirName = filePathField.getText().trim();\r
 241                 \r
 242                 File path = new File(dirName);\r
 243                 if (path.exists()) {\r
 244                         dialog.setFilterPath(new Path(dirName).toOSString());   \r
 245                 }\r
 246                 \r
 247                 String selectedFile = dialog.open();\r
 248                 if (selectedFile != null) {\r
 249                         filePathField.setText(selectedFile);\r
 250                         validatePage();\r
 251                 }               \r
 252 \r
 253         }\r
 254         //Get selection from the tree\r
 255         @SuppressWarnings("unchecked")\r
 256         public static <T> T getExplorerResource(GraphExplorerComposite explorer,\r
 257                         Class<T> clazz) {\r
 258                 \r
 259                 if(explorer == null)\r
 260                         return null;\r
 261                 ISelection selection = ((ISelectionProvider) explorer\r
 262                                 .getAdapter(ISelectionProvider.class)).getSelection();\r
 263                 if (selection == null)\r
 264                         return null;\r
 265                 IStructuredSelection iss = (IStructuredSelection) selection;\r
 266                 AdaptableHintContext inc = (AdaptableHintContext) iss.getFirstElement();\r
 267                 if (inc == null)\r
 268                         return null;\r
 269                 final T resource = (T) inc.getAdapter(clazz);\r
 270 \r
 271                 return resource;\r
 272         }\r
 273         \r
 274         public boolean createProjects() {\r
 275                 \r
 276                 final String selected = previouslyBrowsedFile;\r
 277                 if(selected == null) return false;\r
 278                 \r
 279                 selectedModel= getExplorerResource(modelExplorer, Resource.class);\r
 280                 if(selectedModel == null)\r
 281                         return false;\r
 282         \r
 283         // FIXME: Model browser doesn't change its selection even if the selected object is removed,\r
 284         // so you can try to export a removed model \r
 285                 \r
 286                 SimanticsUI.getSession().asyncRequest(new ReadRequest() {\r
 287                         \r
 288                         @Override\r
 289                         public void run(ReadGraph graph) throws DatabaseException {\r
 290                                 Layer0 l0 = Layer0.getInstance(graph);\r
 291                                 String name = graph.syncRequest(new PossibleRelatedValue<String>(selectedModel, l0.HasName, Bindings.STRING ));\r
 292                                 ArrayList<Pair<Resource, String>> roots = new ArrayList<Pair<Resource, String>>();\r
 293                                 roots.add(Pair.make(selectedModel, name));\r
 294                                 TransferableGraph1 tg = graph.syncRequest(new TransferableGraphRequest2(roots, selectedModel));\r
 295 \r
 296                                 try {\r
 297                                         Files.createFile(new File(selected), Bindings.getBindingUnchecked(TransferableGraph1.class), tg);\r
 298                                 } catch (RuntimeBindingConstructionException e) {\r
 299                                         e.printStackTrace();\r
 300                                 } catch (IOException e) {\r
 301                                         e.printStackTrace();\r
 302                                 }\r
 303                                 \r
 304                         }\r
 305                 });\r
 306 \r
 307                 return true;\r
 308         }\r
 309         \r
 310         void validatePage() {\r
 311                 \r
 312                 if (previouslyBrowsedFile.isEmpty() || selectionMade == false){\r
 313                         setPageComplete(false);\r
 314                         return;\r
 315                 }\r
 316                 \r
 317                 setPageComplete(true);\r
 318                 \r
 319         }\r
 320 }\r