bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/sharedontology/wizard/ModelImportPage.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.util.Collections;
  17 import java.util.List;
  18
  19 import org.eclipse.jface.layout.GridDataFactory;
  20 import org.eclipse.jface.layout.GridLayoutFactory;
  21 import org.eclipse.jface.wizard.WizardPage;
  22 import org.eclipse.swt.SWT;
  23 import org.eclipse.swt.custom.CCombo;
  24 import org.eclipse.swt.events.ModifyEvent;
  25 import org.eclipse.swt.events.ModifyListener;
  26 import org.eclipse.swt.events.SelectionAdapter;
  27 import org.eclipse.swt.events.SelectionEvent;
  28 import org.eclipse.swt.layout.GridData;
  29 import org.eclipse.swt.layout.GridLayout;
  30 import org.eclipse.swt.widgets.Button;
  31 import org.eclipse.swt.widgets.Composite;
  32 import org.eclipse.swt.widgets.FileDialog;
  33 import org.eclipse.swt.widgets.Label;
  34 import org.eclipse.swt.widgets.Text;
  35 import org.simantics.databoard.Bindings;
  36 import org.simantics.databoard.adapter.AdaptException;
  37 import org.simantics.databoard.binding.mutable.Variant;
  38 import org.simantics.databoard.container.DataContainer;
  39 import org.simantics.databoard.container.DataContainers;
  40 import org.simantics.db.common.NamedResource;
  41 import org.simantics.db.exception.DatabaseException;
  42 import org.simantics.db.layer0.util.DraftStatusBean;
  43 import org.simantics.utils.ui.ErrorLogger;
  44
  45 /**
  46  * @author Tuukka Lehtonen
  47  */
  48 public class ModelImportPage extends WizardPage {
  49
  50     /**
  51      * If non-null, the wizard cannot continue. This message tells why.
  52      */
  53     String              failure;
  54
  55     ImportPlan          importModel;
  56
  57     Composite           draft;
  58
  59     Text                importTarget;
  60     CCombo              importLocation;
  61
  62     List<NamedResource> models = Collections.emptyList();
  63     Label               author;
  64     Label               status;
  65
  66     protected ModelImportPage(ImportPlan model) {
  67         super("Import Model", "Define Import Location", null);
  68         this.importModel = model;
  69     }
  70
  71     @Override
  72     public void createControl(Composite parent) {
  73         Composite container = new Composite(parent, SWT.NONE);
  74         {
  75             GridLayout layout = new GridLayout();
  76             layout.horizontalSpacing = 20;
  77             layout.verticalSpacing = 10;
  78             layout.numColumns = 3;
  79             container.setLayout(layout);
  80         }
  81
  82         draft = new Composite(container, SWT.NONE);
  83         draft.setBackground(draft.getDisplay().getSystemColor(SWT.COLOR_RED));
  84         GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(draft);
  85         GridLayoutFactory.swtDefaults().numColumns(0).margins(0, 0).applyTo(draft);
  86
  87         Composite draft2 = new Composite(draft, SWT.NONE);
  88         GridLayoutFactory.swtDefaults().applyTo(draft2);
  89         GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(draft2);
  90         new Label(draft2, SWT.NONE).setText("This model draft was not finished for publishing.");
  91
  92         new Label(container, SWT.NONE).setText("&Model file:");
  93         importLocation = new CCombo(container, SWT.BORDER);
  94         {
  95             importLocation.setText("");
  96             GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(importLocation);
  97             importLocation.addModifyListener(new ModifyListener(){
  98                 @Override
  99                 public void modifyText(ModifyEvent e) {
 100                     validatePage();
 101                 }
 102             });
 103         }
 104         Button browseFileButton = new Button(container, SWT.PUSH);
 105         {
 106             browseFileButton.setText("Br&owse...");
 107             browseFileButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
 108             browseFileButton.addSelectionListener(new SelectionAdapter() {
 109                 @Override
 110                 public void widgetSelected(SelectionEvent e) {
 111                     FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);
 112                     dialog.setText("Choose Model to Import");
 113                     String loc = importLocation.getText();
 114                     dialog.setFilterPath(loc);
 115                     dialog.setFilterExtensions(new String[] { "*.tg" });
 116                     dialog.setFilterNames(new String[] { "Model (*.tg)" });
 117                     String file = dialog.open();
 118                     if (file == null)
 119                         return;
 120                     importLocation.setText(file);
 121                     validatePage();
 122                 }
 123             });
 124         }
 125
 126         author = new Label(container, SWT.NONE);
 127         author.setText("");
 128         GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(author);
 129
 130         status = new Label(container, SWT.NONE);
 131         status.setText("");
 132         GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(status);
 133
 134         try {
 135             initializeData();
 136         } catch (DatabaseException e) {
 137             ErrorLogger.defaultLogError(e);
 138         }
 139
 140         setControl(container);
 141         validatePage();
 142     }
 143
 144     private void initializeData() throws DatabaseException {
 145         for (String path : importModel.recentLocations) {
 146             importLocation.add(path);
 147         }
 148         if (importLocation.getItemCount() > 0)
 149             importLocation.select(0);
 150     }
 151
 152     void validatePage() {
 153
 154         if (failure != null) {
 155             setErrorMessage(failure);
 156             setPageComplete(false);
 157             return;
 158         }
 159         String importLoc = importLocation.getText();
 160         if (importLoc.isEmpty()) {
 161             setMessage("Select file to import.");
 162             setErrorMessage(null);
 163             setPageComplete(false);
 164             return;
 165         }
 166         File file = new File(importLoc);
 167         if (!file.exists() || !file.isFile()) {
 168             setErrorMessage("Selected file is invalid.");
 169             setPageComplete(false);
 170             return;
 171         }
 172         importModel.importLocation = file;
 173
 174         try {
 175
 176                 DataContainer container = DataContainers.readHeader(file);
 177                 Variant draftStatus = container.metadata.get(DraftStatusBean.EXTENSION_KEY);
 178                 if(draftStatus != null) {
 179                         GridLayoutFactory.swtDefaults().spacing(5, 5).applyTo(draft);
 180                         draft.getParent().layout(true);
 181                 } else {
 182                         GridLayoutFactory.swtDefaults().numColumns(0).margins(0, 0).applyTo(draft);
 183                         draft.getParent().layout(true);
 184                 }
 185
 186                 Variant authorVariant = container.metadata.get("author");
 187                 Variant dateVariant = container.metadata.get("date");
 188
 189                 if(authorVariant != null && dateVariant != null) {
 190                         String auth = (String)authorVariant.getValue(Bindings.STRING);
 191                         String date = (String)dateVariant.getValue(Bindings.STRING);
 192                         author.setText("Created by " + auth + " on " + date);
 193                 } else {
 194                         author.setText("");
 195                 }
 196
 197         } catch (IOException e) {
 198                 setErrorMessage("Could not read header information from " + file.getAbsolutePath());
 199                 setPageComplete(false);
 200                 return;
 201         } catch (AdaptException e) {
 202                 setErrorMessage("Could not read header information from " + file.getAbsolutePath());
 203                 setPageComplete(false);
 204                 return;
 205                 }
 206
 207         setErrorMessage(null);
 208         setMessage("Ready to import " + file.getName() + "");
 209         setPageComplete(true);
 210
 211     }
 212
 213 }