bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/wizard/DrawingTemplateImportWizard.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.template2d.ui.wizard;
  13
  14 import java.io.IOException;
  15 import java.lang.reflect.InvocationTargetException;
  16 import java.util.Deque;
  17
  18 import org.eclipse.core.runtime.IProgressMonitor;
  19 import org.eclipse.core.runtime.preferences.InstanceScope;
  20 import org.eclipse.jface.operation.IRunnableWithProgress;
  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.IImportWizard;
  27 import org.eclipse.ui.IWorkbench;
  28 import org.eclipse.ui.preferences.ScopedPreferenceStore;
  29 import org.simantics.db.Resource;
  30 import org.simantics.db.management.ISessionContext;
  31 import org.simantics.modeling.template2d.DiagramTemplates;
  32 import org.simantics.modeling.template2d.ui.Activator;
  33 import org.simantics.modeling.ui.utils.NoProjectPage;
  34 import org.simantics.project.IProject;
  35 import org.simantics.project.ProjectKeys;
  36 import org.simantics.ui.SimanticsUI;
  37 import org.simantics.ui.utils.ResourceAdaptionUtils;
  38 import org.simantics.utils.ui.ErrorLogger;
  39 import org.simantics.utils.ui.ExceptionUtils;
  40
  41 /**
  42  * @author Tuukka Lehtonen
  43  */
  44 public class DrawingTemplateImportWizard extends Wizard implements IImportWizard {
  45
  46     private static final int MAX_RECENT_IMPORT_PATHS = 10;
  47
  48     ImportPlan        importModel;
  49
  50     private boolean readPreferences(IStructuredSelection selection) {
  51         IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
  52
  53         String recentPathsPref = store.getString(Preferences.RECENT_DRAWING_TEMPLATE_IMPORT_LOCATIONS);
  54         Deque<String> recentImportPaths = Preferences.decodePaths(recentPathsPref);
  55
  56         ISessionContext ctx = SimanticsUI.getSessionContext();
  57         if (ctx == null)
  58             return false;
  59         IProject project = ctx.getHint(ProjectKeys.KEY_PROJECT);
  60         if (project == null)
  61             return false;
  62
  63         importModel = new ImportPlan(ctx, recentImportPaths);
  64         importModel.project = project;
  65         importModel.selection = selection.getFirstElement();
  66
  67         return true;
  68     }
  69
  70     private void writePreferences() throws IOException {
  71         IPersistentPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
  72
  73         store.putValue(Preferences.RECENT_DRAWING_TEMPLATE_IMPORT_LOCATIONS, Preferences.encodePaths(importModel.recentLocations));
  74
  75         if (store.needsSaving())
  76             store.save();
  77     }
  78
  79     public DrawingTemplateImportWizard() {
  80         setWindowTitle("Import Diagram Template");
  81         setNeedsProgressMonitor(true);
  82     }
  83
  84     @Override
  85     public void init(IWorkbench workbench, IStructuredSelection selection) {
  86         readPreferences(selection);
  87     }
  88
  89     @Override
  90     public void addPages() {
  91         super.addPages();
  92         if (importModel != null) {
  93             addPage(new DrawingTemplateImportPage(importModel));
  94         } else {
  95             addPage(new NoProjectPage("Import Diagram Template"));
  96         }
  97     }
  98
  99     @Override
 100     public boolean performFinish() {
 101         try {
 102                 importModel.recentLocations.addFirst(importModel.importLocation.getAbsolutePath());
 103             Preferences.removeDuplicates(importModel.recentLocations);
 104             if (importModel.recentLocations.size() > MAX_RECENT_IMPORT_PATHS)
 105                 importModel.recentLocations.pollLast();
 106
 107             writePreferences();
 108         } catch (IOException e) {
 109             ErrorLogger.defaultLogError("Failed to write preferences", e);
 110         }
 111
 112         try {
 113             getContainer().run(true, true, new IRunnableWithProgress() {
 114                 @Override
 115                 public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
 116                     try {
 117                         Resource target = ResourceAdaptionUtils.toSingleResource(importModel.selection);
 118                         DiagramTemplates.importTemplate(monitor, importModel.sessionContext.getSession(), importModel.importLocation, target);
 119                     } catch (Exception e) {
 120                         throw new InvocationTargetException(e);
 121                     }
 122                 }
 123             });
 124         } catch (InvocationTargetException e) {
 125             Throwable t = e.getTargetException();
 126             WizardPage cp = (WizardPage) getContainer().getCurrentPage();
 127             if (t instanceof IOException) {
 128                 cp.setErrorMessage("An I/O problem occurred while importing a diagram template.\n\nMessage: " + e.getMessage());
 129             }
 130             ErrorLogger.defaultLogError(t);
 131             return false;
 132         } catch (InterruptedException e) {
 133             ExceptionUtils.logAndShowError(e);
 134             return false;
 135         }
 136
 137         return true;
 138     }
 139
 140 }