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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.ui.sharedontology.wizard;\r
  13 \r
  14 import java.io.File;\r
  15 import java.io.IOException;\r
  16 import java.util.Collections;\r
  17 import java.util.List;\r
  18 \r
  19 import org.eclipse.jface.layout.GridDataFactory;\r
  20 import org.eclipse.jface.layout.GridLayoutFactory;\r
  21 import org.eclipse.jface.wizard.WizardPage;\r
  22 import org.eclipse.swt.SWT;\r
  23 import org.eclipse.swt.custom.CCombo;\r
  24 import org.eclipse.swt.events.ModifyEvent;\r
  25 import org.eclipse.swt.events.ModifyListener;\r
  26 import org.eclipse.swt.events.SelectionAdapter;\r
  27 import org.eclipse.swt.events.SelectionEvent;\r
  28 import org.eclipse.swt.layout.GridData;\r
  29 import org.eclipse.swt.layout.GridLayout;\r
  30 import org.eclipse.swt.widgets.Button;\r
  31 import org.eclipse.swt.widgets.Composite;\r
  32 import org.eclipse.swt.widgets.FileDialog;\r
  33 import org.eclipse.swt.widgets.Label;\r
  34 import org.eclipse.swt.widgets.Text;\r
  35 import org.simantics.databoard.Bindings;\r
  36 import org.simantics.databoard.adapter.AdaptException;\r
  37 import org.simantics.databoard.binding.mutable.Variant;\r
  38 import org.simantics.databoard.container.DataContainer;\r
  39 import org.simantics.databoard.container.DataContainers;\r
  40 import org.simantics.db.common.NamedResource;\r
  41 import org.simantics.db.exception.DatabaseException;\r
  42 import org.simantics.db.layer0.util.DraftStatusBean;\r
  43 import org.simantics.utils.ui.ErrorLogger;\r
  44 \r
  45 /**\r
  46  * @author Tuukka Lehtonen\r
  47  */\r
  48 public class SharedOntologyImportPage extends WizardPage {\r
  49 \r
  50     /**\r
  51      * If non-null, the wizard cannot continue. This message tells why.\r
  52      */\r
  53     String              failure;\r
  54 \r
  55     ImportPlan          importModel;\r
  56 \r
  57     Composite           draft;\r
  58     \r
  59     Text                importTarget;\r
  60     CCombo              importLocation;\r
  61 \r
  62     List<NamedResource> models = Collections.emptyList();\r
  63     Label               author;\r
  64     Label               status;\r
  65 \r
  66     protected SharedOntologyImportPage(ImportPlan model) {\r
  67         super("Import Shared Library", "Define Import Location", null);\r
  68         this.importModel = model;\r
  69     }\r
  70 \r
  71     @Override\r
  72     public void createControl(Composite parent) {\r
  73         Composite container = new Composite(parent, SWT.NONE);\r
  74         {\r
  75             GridLayout layout = new GridLayout();\r
  76             layout.horizontalSpacing = 20;\r
  77             layout.verticalSpacing = 10;\r
  78             layout.numColumns = 3;\r
  79             container.setLayout(layout);\r
  80         }\r
  81 \r
  82         draft = new Composite(container, SWT.NONE);\r
  83         draft.setBackground(draft.getDisplay().getSystemColor(SWT.COLOR_RED));\r
  84         GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(draft);\r
  85         GridLayoutFactory.swtDefaults().numColumns(0).margins(0, 0).applyTo(draft);\r
  86         \r
  87         Composite draft2 = new Composite(draft, SWT.NONE);\r
  88         GridLayoutFactory.swtDefaults().applyTo(draft2);\r
  89         GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(draft2);\r
  90         new Label(draft2, SWT.NONE).setText("This library draft was not finished for publishing.");\r
  91         \r
  92         new Label(container, SWT.NONE).setText("&Shared library file:");\r
  93         importLocation = new CCombo(container, SWT.BORDER);\r
  94         {\r
  95             importLocation.setText("");\r
  96             GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(importLocation);\r
  97             importLocation.addModifyListener(new ModifyListener(){\r
  98                 @Override\r
  99                 public void modifyText(ModifyEvent e) {\r
 100                     validatePage();\r
 101                 }\r
 102             });\r
 103         }\r
 104         Button browseFileButton = new Button(container, SWT.PUSH);\r
 105         {\r
 106             browseFileButton.setText("Br&owse...");\r
 107             browseFileButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));\r
 108             browseFileButton.addSelectionListener(new SelectionAdapter() {\r
 109                 @Override\r
 110                 public void widgetSelected(SelectionEvent e) {\r
 111                     FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);\r
 112                     dialog.setText("Choose Shared Library to Import");\r
 113                     String loc = importLocation.getText();\r
 114                     dialog.setFilterPath(loc);\r
 115                     dialog.setFilterExtensions(new String[] { "*.sharedLibrary" });\r
 116                     dialog.setFilterNames(new String[] { "Shared Library (*.sharedLibrary)" });\r
 117                     String file = dialog.open();\r
 118                     if (file == null)\r
 119                         return;\r
 120                     importLocation.setText(file);\r
 121                     validatePage();\r
 122                 }\r
 123             });\r
 124         }\r
 125         \r
 126         author = new Label(container, SWT.NONE);\r
 127         author.setText("");\r
 128         GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(author);\r
 129 \r
 130         status = new Label(container, SWT.NONE);\r
 131         status.setText("");\r
 132         GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(status);\r
 133 \r
 134         try {\r
 135             initializeData();\r
 136         } catch (DatabaseException e) {\r
 137             ErrorLogger.defaultLogError(e);\r
 138         }\r
 139 \r
 140         setControl(container);\r
 141         validatePage();\r
 142     }\r
 143 \r
 144     private void initializeData() throws DatabaseException {\r
 145         for (String path : importModel.recentLocations) {\r
 146             importLocation.add(path);\r
 147         }\r
 148         if (importLocation.getItemCount() > 0)\r
 149             importLocation.select(0);\r
 150     }\r
 151 \r
 152     void validatePage() {\r
 153         \r
 154         if (failure != null) {\r
 155             setErrorMessage(failure);\r
 156             setPageComplete(false);\r
 157             return;\r
 158         }\r
 159         String importLoc = importLocation.getText();\r
 160         if (importLoc.isEmpty()) {\r
 161             setMessage("Select file to import.");\r
 162             setErrorMessage(null);\r
 163             setPageComplete(false);\r
 164             return;\r
 165         }\r
 166         File file = new File(importLoc);\r
 167         if (!file.exists() || !file.isFile()) {\r
 168             setErrorMessage("Selected file is invalid.");\r
 169             setPageComplete(false);\r
 170             return;\r
 171         }\r
 172         importModel.importLocation = file;\r
 173 \r
 174         try {\r
 175 \r
 176                 DataContainer container = DataContainers.readHeader(file);\r
 177                 Variant draftStatus = container.metadata.get(DraftStatusBean.EXTENSION_KEY);\r
 178                 if(draftStatus != null) {\r
 179                         GridLayoutFactory.swtDefaults().spacing(5, 5).applyTo(draft);\r
 180                         draft.getParent().layout(true);\r
 181                 } else {\r
 182                         GridLayoutFactory.swtDefaults().numColumns(0).margins(0, 0).applyTo(draft);\r
 183                         draft.getParent().layout(true);\r
 184                 }\r
 185                 \r
 186                 Variant authorVariant = container.metadata.get("author");\r
 187                 Variant dateVariant = container.metadata.get("date");\r
 188                 \r
 189                 if(authorVariant != null && dateVariant != null) {\r
 190                         String auth = (String)authorVariant.getValue(Bindings.STRING);\r
 191                         String date = (String)dateVariant.getValue(Bindings.STRING);\r
 192                         author.setText("Created by " + auth + " on " + date);\r
 193                 } else {\r
 194                         author.setText("");\r
 195                 }\r
 196 \r
 197         } catch (IOException e) {\r
 198                 setErrorMessage("Could not read header information from " + file.getAbsolutePath());\r
 199                 setPageComplete(false);\r
 200                 return;\r
 201         } catch (AdaptException e) {\r
 202                 setErrorMessage("Could not read header information from " + file.getAbsolutePath());\r
 203                 setPageComplete(false);\r
 204                 return;\r
 205                 }           \r
 206         \r
 207         setErrorMessage(null);\r
 208         setMessage("Ready to import " + file.getName() + "");\r
 209         setPageComplete(true);\r
 210         \r
 211     }\r
 212 \r
 213 }\r