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

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.ui.sharedontology.wizard;
  13
  14 import java.io.File;
  15 import java.io.IOException;
  16 import java.lang.reflect.InvocationTargetException;
  17 import java.util.Deque;
  18
  19 import org.eclipse.core.runtime.preferences.InstanceScope;
  20 import org.eclipse.jface.dialogs.MessageDialog;
  21 import org.eclipse.jface.preference.IPersistentPreferenceStore;
  22 import org.eclipse.jface.preference.IPreferenceStore;
  23 import org.eclipse.jface.viewers.IStructuredSelection;
  24 import org.eclipse.jface.wizard.Wizard;
  25 import org.eclipse.jface.wizard.WizardPage;
  26 import org.eclipse.ui.IExportWizard;
  27 import org.eclipse.ui.IWorkbench;
  28 import org.eclipse.ui.preferences.ScopedPreferenceStore;
  29 import org.simantics.db.management.ISessionContext;
  30 import org.simantics.modeling.ui.Activator;
  31 import org.simantics.modeling.ui.utils.NoProjectPage;
  32 import org.simantics.project.IProject;
  33 import org.simantics.project.ProjectKeys;
  34 import org.simantics.ui.SimanticsUI;
  35 import org.simantics.utils.ui.ErrorLogger;
  36 import org.simantics.utils.ui.ExceptionUtils;
  37
  38 /**
  39  * @author Tuukka Lehtonen
  40  * @author Teemu Mätäsniemi
  41  * @author Antti Villberg
  42  */
  43 public class ModelExportWizard extends Wizard implements IExportWizard {
  44
  45     private static final int MAX_RECENT_EXPORT_PATHS = 10;
  46
  47     Deque<String>            recentExportPaths;
  48     boolean                  overwrite;
  49
  50     ExportPlan        exportModel;
  51
  52     private boolean readPreferences() {
  53         IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
  54
  55         String recentPathsPref = store.getString(Preferences.RECENT_SHARED_LIBRARY_EXPORT_LOCATIONS);
  56         recentExportPaths = Preferences.decodePaths(recentPathsPref);
  57         overwrite = store.getBoolean(Preferences.SHARED_LIBRARY_EXPORT_OVERWRITE);
  58
  59         return true;
  60     }
  61
  62     private void writePreferences() throws IOException {
  63         IPersistentPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
  64
  65         store.putValue(Preferences.RECENT_SHARED_LIBRARY_EXPORT_LOCATIONS, Preferences.encodePaths(recentExportPaths));
  66         store.setValue(Preferences.SHARED_LIBRARY_EXPORT_OVERWRITE, exportModel.overwrite);
  67
  68         if (store.needsSaving())
  69             store.save();
  70     }
  71
  72     public ModelExportWizard() {
  73         setWindowTitle("Export Model");
  74         setNeedsProgressMonitor(true);
  75     }
  76
  77     @Override
  78     public void init(IWorkbench workbench, IStructuredSelection selection) {
  79         readPreferences();
  80
  81         ISessionContext ctx = SimanticsUI.getSessionContext();
  82         if (ctx == null)
  83             return;
  84         IProject project = ctx.getHint(ProjectKeys.KEY_PROJECT);
  85         if (project == null)
  86             return;
  87
  88         exportModel = new ExportPlan(ctx, recentExportPaths);
  89         exportModel.project = project;
  90         exportModel.selection = selection;
  91         exportModel.overwrite = overwrite;
  92     }
  93
  94     @Override
  95     public void addPages() {
  96         super.addPages();
  97         if (exportModel != null) {
  98             addPage(new ModelExportPage(exportModel));
  99         } else {
 100             addPage(new NoProjectPage("Export Model"));
 101         }
 102     }
 103
 104     @Override
 105     public boolean performFinish() {
 106         try {
 107             recentExportPaths.addFirst(exportModel.exportLocation.getAbsolutePath());
 108             Preferences.removeDuplicates(recentExportPaths);
 109             if (recentExportPaths.size() > MAX_RECENT_EXPORT_PATHS)
 110                 recentExportPaths.pollLast();
 111
 112             writePreferences();
 113         } catch (IOException e) {
 114             ErrorLogger.defaultLogError("Failed to write preferences", e);
 115         }
 116
 117         final File output = exportModel.exportLocation;
 118         if (output.exists()) {
 119             if (!exportModel.overwrite) {
 120                 boolean ok = MessageDialog.openConfirm(getShell(), "Overwrite", "A file by the name " + output.getAbsolutePath() + " already exists.\n\nDo you want to overwrite?");
 121                 if (!ok) {
 122                     return false;
 123                 }
 124             }
 125             if (!output.delete()) {
 126                 MessageDialog.openError(getShell(), "Delete Problem", "Could not overwrite previously existing file " + output);
 127                 return false;
 128             }
 129         }
 130
 131         try {
 132             getContainer().run(true, true, new ModelExporter(exportModel));
 133         } catch (InvocationTargetException e) {
 134             Throwable t = e.getTargetException();
 135             WizardPage cp = (WizardPage) getContainer().getCurrentPage();
 136             if (t instanceof IOException) {
 137                 ErrorLogger.defaultLogError("An I/O problem occurred while exporting the shared library. See exception for details.", t);
 138                 cp.setErrorMessage("An I/O problem occurred while exporting the shared library.\n\nMessage: " + e.getMessage());
 139             } else {
 140                 ErrorLogger.defaultLogError("Unexpected exception while exporting the shared library. See exception for details.", t);
 141                 cp.setErrorMessage("Unexpected exception while exporting the shared library. See error log for details.\n\nMessage: " + e.getMessage());
 142             }
 143             return false;
 144         } catch (InterruptedException e) {
 145             ExceptionUtils.logAndShowError(e);
 146             return false;
 147         }
 148
 149         return true;
 150     }
 151
 152 }