bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/sharedontology/wizard/ModelExportWizard.java

   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.Simantics;
  30 import org.simantics.db.management.ISessionContext;
  31 import org.simantics.modeling.ui.Activator;
  32 import org.simantics.modeling.ui.utils.NoProjectPage;
  33 import org.simantics.project.IProject;
  34 import org.simantics.project.ProjectKeys;
  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     boolean                  includeDependencies;
  50
  51     ExportPlan               exportModel;
  52
  53     private boolean readPreferences() {
  54         IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
  55
  56         String recentPathsPref = store.getString(Preferences.RECENT_SHARED_LIBRARY_EXPORT_LOCATIONS);
  57         recentExportPaths = Preferences.decodePaths(recentPathsPref);
  58         overwrite = store.getBoolean(Preferences.SHARED_LIBRARY_EXPORT_OVERWRITE);
  59         includeDependencies = store.getBoolean(Preferences.EXPORT_INCLUDE_DEPENDENCIES);
  60
  61         return true;
  62     }
  63
  64     private void writePreferences() throws IOException {
  65         IPersistentPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
  66
  67         store.putValue(Preferences.RECENT_SHARED_LIBRARY_EXPORT_LOCATIONS, Preferences.encodePaths(recentExportPaths));
  68         store.setValue(Preferences.SHARED_LIBRARY_EXPORT_OVERWRITE, exportModel.overwrite);
  69         store.setValue(Preferences.EXPORT_INCLUDE_DEPENDENCIES, exportModel.includeDependencies);
  70
  71         if (store.needsSaving())
  72             store.save();
  73     }
  74
  75     public ModelExportWizard() {
  76         setWindowTitle("Export Model");
  77         setNeedsProgressMonitor(true);
  78     }
  79
  80     @Override
  81     public void init(IWorkbench workbench, IStructuredSelection selection) {
  82         readPreferences();
  83
  84         ISessionContext ctx = Simantics.getSessionContext();
  85         if (ctx == null)
  86             return;
  87         IProject project = ctx.getHint(ProjectKeys.KEY_PROJECT);
  88         if (project == null)
  89             return;
  90
  91         exportModel = new ExportPlan(ctx, recentExportPaths);
  92         exportModel.project = project;
  93         exportModel.selection = selection;
  94         exportModel.overwrite = overwrite;
  95         exportModel.includeDependencies = includeDependencies;
  96     }
  97
  98     @Override
  99     public void addPages() {
 100         super.addPages();
 101         if (exportModel != null) {
 102             addPage(new ModelExportPage(exportModel));
 103         } else {
 104             addPage(new NoProjectPage("Export Model"));
 105         }
 106     }
 107
 108     @Override
 109     public boolean performFinish() {
 110         try {
 111             recentExportPaths.addFirst(exportModel.exportLocation.getAbsolutePath());
 112             Preferences.removeDuplicates(recentExportPaths);
 113             if (recentExportPaths.size() > MAX_RECENT_EXPORT_PATHS)
 114                 recentExportPaths.pollLast();
 115
 116             writePreferences();
 117         } catch (IOException e) {
 118             ErrorLogger.defaultLogError("Failed to write preferences", e);
 119         }
 120
 121         final File output = exportModel.exportLocation;
 122         if (output.exists()) {
 123             if (!exportModel.overwrite) {
 124                 boolean ok = MessageDialog.openConfirm(getShell(), "Overwrite", "A file by the name " + output.getAbsolutePath() + " already exists.\n\nDo you want to overwrite?");
 125                 if (!ok) {
 126                     return false;
 127                 }
 128             }
 129             if (!output.delete()) {
 130                 MessageDialog.openError(getShell(), "Delete Problem", "Could not overwrite previously existing file " + output);
 131                 return false;
 132             }
 133         }
 134
 135         try {
 136             getContainer().run(true, true, new ModelExporter(exportModel));
 137         } catch (InvocationTargetException e) {
 138             Throwable t = e.getTargetException();
 139             WizardPage cp = (WizardPage) getContainer().getCurrentPage();
 140             if (t instanceof IOException) {
 141                 ErrorLogger.defaultLogError("An I/O problem occurred while exporting the shared library. See exception for details.", t);
 142                 cp.setErrorMessage("An I/O problem occurred while exporting the shared library.\n\nMessage: " + e.getMessage());
 143             } else {
 144                 ErrorLogger.defaultLogError("Unexpected exception while exporting the shared library. See exception for details.", t);
 145                 cp.setErrorMessage("Unexpected exception while exporting the shared library. See error log for details.\n\nMessage: " + e.getMessage());
 146             }
 147             return false;
 148         } catch (InterruptedException e) {
 149             ExceptionUtils.logAndShowError(e);
 150             return false;
 151         }
 152
 153         return true;
 154     }
 155
 156 }