bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/wizard/DrawingTemplateImportPage.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.template2d.ui.wizard;\r
  13 \r
  14 import java.io.File;\r
  15 import java.util.Collections;\r
  16 import java.util.List;\r
  17 \r
  18 import org.eclipse.jface.layout.GridDataFactory;\r
  19 import org.eclipse.jface.wizard.WizardPage;\r
  20 import org.eclipse.swt.SWT;\r
  21 import org.eclipse.swt.custom.CCombo;\r
  22 import org.eclipse.swt.events.ModifyEvent;\r
  23 import org.eclipse.swt.events.ModifyListener;\r
  24 import org.eclipse.swt.events.SelectionAdapter;\r
  25 import org.eclipse.swt.events.SelectionEvent;\r
  26 import org.eclipse.swt.layout.GridData;\r
  27 import org.eclipse.swt.layout.GridLayout;\r
  28 import org.eclipse.swt.widgets.Button;\r
  29 import org.eclipse.swt.widgets.Composite;\r
  30 import org.eclipse.swt.widgets.FileDialog;\r
  31 import org.eclipse.swt.widgets.Label;\r
  32 import org.eclipse.swt.widgets.Text;\r
  33 import org.simantics.Simantics;\r
  34 import org.simantics.db.ReadGraph;\r
  35 import org.simantics.db.Resource;\r
  36 import org.simantics.db.common.NamedResource;\r
  37 import org.simantics.db.common.request.ObjectsWithType;\r
  38 import org.simantics.db.common.utils.NameUtils;\r
  39 import org.simantics.db.exception.DatabaseException;\r
  40 import org.simantics.db.layer0.SelectionHints;\r
  41 import org.simantics.db.layer0.request.PossibleModel;\r
  42 import org.simantics.db.request.Read;\r
  43 import org.simantics.layer0.Layer0;\r
  44 import org.simantics.modeling.ModelingResources;\r
  45 import org.simantics.modeling.template2d.ontology.Template2dResource;\r
  46 import org.simantics.utils.ui.ErrorLogger;\r
  47 import org.simantics.utils.ui.ISelectionUtils;\r
  48 \r
  49 /**\r
  50  * @author Tuukka Lehtonen\r
  51  */\r
  52 public class DrawingTemplateImportPage extends WizardPage {\r
  53 \r
  54     /**\r
  55      * If non-null, the wizard cannot continue. This message tells why.\r
  56      */\r
  57     String              failure;\r
  58 \r
  59     ImportPlan          importModel;\r
  60     Text                importTarget;\r
  61     CCombo              importLocation;\r
  62 \r
  63     List<NamedResource> models = Collections.emptyList();\r
  64     Button              overwrite;\r
  65 \r
  66     protected DrawingTemplateImportPage(ImportPlan model) {\r
  67         super("Import Diagram Template", "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         new Label(container, SWT.NONE).setText("Import target:");\r
  83         importTarget = new Text(container, SWT.BORDER);\r
  84         {\r
  85             importTarget.setEditable(false);\r
  86             importTarget.setText("");\r
  87             importTarget.setToolTipText("Shows the target of the import.");\r
  88             GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(importTarget);\r
  89         }\r
  90 \r
  91         new Label(container, SWT.NONE).setText("&Diagram template file:");\r
  92         importLocation = new CCombo(container, SWT.BORDER);\r
  93         {\r
  94             importLocation.setText("");\r
  95             GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(importLocation);\r
  96             importLocation.addModifyListener(new ModifyListener(){\r
  97                 @Override\r
  98                 public void modifyText(ModifyEvent e) {\r
  99                     validatePage();\r
 100                 }\r
 101             });\r
 102         }\r
 103         Button browseFileButton = new Button(container, SWT.PUSH);\r
 104         {\r
 105             browseFileButton.setText("Br&owse...");\r
 106             browseFileButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));\r
 107             browseFileButton.addSelectionListener(new SelectionAdapter() {\r
 108                 @Override\r
 109                 public void widgetSelected(SelectionEvent e) {\r
 110                     FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);\r
 111                     dialog.setText("Choose Diagram Template to Import");\r
 112                     String loc = importLocation.getText();\r
 113                     dialog.setFilterPath(loc);\r
 114                     dialog.setFilterExtensions(new String[] { "*.diagramTemplate;*.drawingTemplate" });\r
 115                     dialog.setFilterNames(new String[] { "Diagram Template (*.diagramTemplate, *.drawingTemplate)" });\r
 116                     String file = dialog.open();\r
 117                     if (file == null)\r
 118                         return;\r
 119                     importLocation.setText(file);\r
 120                     validatePage();\r
 121                 }\r
 122             });\r
 123         }\r
 124 \r
 125         try {\r
 126             initializeData();\r
 127         } catch (DatabaseException e) {\r
 128             ErrorLogger.defaultLogError(e);\r
 129         }\r
 130 \r
 131         setControl(container);\r
 132         validatePage();\r
 133     }\r
 134 \r
 135     private void initializeData() throws DatabaseException {\r
 136         NamedResource target = importModel.sessionContext.getSession().syncRequest(new Read<NamedResource>() {\r
 137             @Override\r
 138             public NamedResource perform(ReadGraph graph) throws DatabaseException {\r
 139                 Layer0 L0 = Layer0.getInstance(graph);\r
 140                 ModelingResources MOD = ModelingResources.getInstance(graph);\r
 141 \r
 142                 for (Resource r : ISelectionUtils.getPossibleKeys(importModel.selection, SelectionHints.KEY_MAIN, Resource.class)) {\r
 143                     Resource lib = findTemplateLibrary(graph, r);\r
 144                     if (lib != null)\r
 145                         return toNamedResource(graph, lib);\r
 146                 }\r
 147                 for (Resource r : graph.sync(new ObjectsWithType(Simantics.getProjectResource(), L0.ConsistsOf, MOD.StructuralModel))) {\r
 148                     Resource lib = findTemplateLibrary(graph, r);\r
 149                     if (lib != null)\r
 150                         return toNamedResource(graph, lib);\r
 151                 }\r
 152                 return null;\r
 153             }\r
 154 \r
 155             private Resource findTemplateLibrary(ReadGraph graph, Resource r) throws DatabaseException {\r
 156                 Layer0 L0 = Layer0.getInstance(graph);\r
 157                 Template2dResource TMPL = Template2dResource.getInstance(graph);\r
 158 \r
 159                 if (graph.isInstanceOf(r, TMPL.DrawingTemplateLibrary))\r
 160                     return r;\r
 161 \r
 162                 Resource model = graph.sync( new PossibleModel(r) );\r
 163                 if (model != null) {\r
 164                     for (Resource child : graph.sync(new ObjectsWithType(model, L0.ConsistsOf, TMPL.DrawingTemplateLibrary))) {\r
 165                         return child;\r
 166                     }\r
 167                 }\r
 168                 return null;\r
 169             }\r
 170 \r
 171             private NamedResource toNamedResource(ReadGraph graph, Resource lib) throws DatabaseException {\r
 172                 Resource model = graph.sync(new PossibleModel(lib));\r
 173                 if (model == null)\r
 174                     return new NamedResource(NameUtils.getSafeName(graph, lib), lib);\r
 175                 return new NamedResource(NameUtils.getSafeName(graph, model) + ": " + NameUtils.getSafeName(graph, lib), lib);\r
 176             }\r
 177         });\r
 178 \r
 179         if (target == null) {\r
 180             failure = "No models with diagram template libraries found in the database.";\r
 181             return;\r
 182         }\r
 183 \r
 184         importTarget.setText(target.getName());\r
 185         importModel.selection = target.getResource();\r
 186 \r
 187         for (String path : importModel.recentLocations) {\r
 188             importLocation.add(path);\r
 189         }\r
 190         if (importLocation.getItemCount() > 0)\r
 191             importLocation.select(0);\r
 192     }\r
 193 \r
 194     void validatePage() {\r
 195         if (failure != null) {\r
 196             setErrorMessage(failure);\r
 197             setPageComplete(false);\r
 198             return;\r
 199         }\r
 200         String importLoc = importLocation.getText();\r
 201         if (importLoc.isEmpty()) {\r
 202             setMessage("Select file to import.");\r
 203             setErrorMessage(null);\r
 204             setPageComplete(false);\r
 205             return;\r
 206         }\r
 207         File file = new File(importLoc);\r
 208         if (!file.exists() || !file.isFile()) {\r
 209             setErrorMessage("Selected file is invalid.");\r
 210             setPageComplete(false);\r
 211             return;\r
 212         }\r
 213         importModel.importLocation = file;\r
 214 \r
 215         setErrorMessage(null);\r
 216         setMessage("Import " + file.getName() + "");\r
 217         setPageComplete(true);\r
 218     }\r
 219 \r
 220 }\r