gerrit.simantics Code Review - simantics/platform.git/blob

   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.componentTypeEditor;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collections;\r
  16 import java.util.List;\r
  17 \r
  18 import org.eclipse.jface.dialogs.IMessageProvider;\r
  19 import org.eclipse.jface.resource.JFaceResources;\r
  20 import org.eclipse.jface.resource.LocalResourceManager;\r
  21 import org.eclipse.jface.resource.ResourceManager;\r
  22 import org.eclipse.swt.SWT;\r
  23 import org.eclipse.swt.events.SelectionAdapter;\r
  24 import org.eclipse.swt.events.SelectionEvent;\r
  25 import org.eclipse.swt.layout.FormAttachment;\r
  26 import org.eclipse.swt.layout.FormData;\r
  27 import org.eclipse.swt.layout.FormLayout;\r
  28 import org.eclipse.swt.widgets.Composite;\r
  29 import org.eclipse.swt.widgets.Sash;\r
  30 import org.eclipse.ui.forms.IMessageManager;\r
  31 import org.eclipse.ui.forms.widgets.Form;\r
  32 import org.eclipse.ui.forms.widgets.FormToolkit;\r
  33 import org.osgi.framework.BundleContext;\r
  34 import org.osgi.framework.InvalidSyntaxException;\r
  35 import org.osgi.framework.ServiceReference;\r
  36 import org.simantics.Simantics;\r
  37 import org.simantics.databoard.Bindings;\r
  38 import org.simantics.databoard.binding.Binding;\r
  39 import org.simantics.databoard.binding.error.BindingException;\r
  40 import org.simantics.databoard.type.Datatype;\r
  41 import org.simantics.databoard.type.NumberType;\r
  42 import org.simantics.db.ReadGraph;\r
  43 import org.simantics.db.Resource;\r
  44 import org.simantics.db.common.NamedResource;\r
  45 import org.simantics.db.common.request.UniqueRead;\r
  46 import org.simantics.db.common.utils.NameUtils;\r
  47 import org.simantics.db.exception.DatabaseException;\r
  48 import org.simantics.db.procedure.Listener;\r
  49 import org.simantics.db.request.Read;\r
  50 import org.simantics.db.service.XSupport;\r
  51 import org.simantics.layer0.Layer0;\r
  52 import org.simantics.modeling.ui.Activator;\r
  53 import org.simantics.operation.Layer0X;\r
  54 import org.simantics.structural.stubs.StructuralResource2;\r
  55 import org.simantics.utils.ui.ErrorLogger;\r
  56 import org.simantics.utils.ui.SWTUtils;\r
  57 \r
  58 public class ComponentTypeViewer {\r
  59 \r
  60     ComponentTypeViewerData data;\r
  61     \r
  62     ResourceManager resourceManager;\r
  63     \r
  64     ArrayList<ComponentTypeViewerSection> sections = new ArrayList<ComponentTypeViewerSection>(3);\r
  65 \r
  66     public ComponentTypeViewer(Composite parent, Resource _componentType, String formTitle) {\r
  67         // Form\r
  68         FormToolkit tk = new FormToolkit(parent.getDisplay());\r
  69         Form form = tk.createForm(parent);\r
  70         tk.decorateFormHeading(form);\r
  71         resourceManager = new LocalResourceManager(JFaceResources.getResources(), form);\r
  72         form.setText(formTitle);\r
  73         form.setImage(resourceManager.createImage(Activator.COMPONENT_TYPE_ICON));\r
  74         {\r
  75             FormLayout layout = new FormLayout();\r
  76             layout.marginBottom = 10;\r
  77             layout.marginTop = 10;\r
  78             layout.marginLeft = 10;\r
  79             layout.marginRight = 10;\r
  80             form.getBody().setLayout(layout);\r
  81         }\r
  82         \r
  83         // Data\r
  84         data = new ComponentTypeViewerData(tk, _componentType, form);\r
  85 \r
  86         // Sections\r
  87         \r
  88         sections.add(new ConfigurationPropertiesSection(data));\r
  89         sections.add(new DerivedPropertiesSection(data));\r
  90 \r
  91         BundleContext bundleContext = Activator.getContext();\r
  92         try {\r
  93             ArrayList<ComponentTypeViewerSectionFactory> factories = \r
  94                     Simantics.getSession().syncRequest(new Read<ArrayList<ComponentTypeViewerSectionFactory>>() {\r
  95                         @Override\r
  96                         public ArrayList<ComponentTypeViewerSectionFactory> perform(\r
  97                                 ReadGraph graph) throws DatabaseException {\r
  98                             ArrayList<ComponentTypeViewerSectionFactory> factories =\r
  99                                     new ArrayList<ComponentTypeViewerSectionFactory>(3);\r
 100                             try {\r
 101                                 String className = ComponentTypeViewerSectionFactory.class.getName();\r
 102                                 ServiceReference<?>[] references = bundleContext.getAllServiceReferences(className, null);\r
 103                                 if(references != null)\r
 104                                     for(ServiceReference<?> reference : references) {\r
 105                                         ComponentTypeViewerSectionFactory factory = (ComponentTypeViewerSectionFactory)bundleContext.getService(reference);\r
 106                                         if(factory.doesSupport(graph, _componentType))\r
 107                                             factories.add(factory);\r
 108                                     }\r
 109                             } catch (InvalidSyntaxException e) {\r
 110                                 e.printStackTrace();\r
 111                             }\r
 112                             return factories;\r
 113                         }\r
 114                     });\r
 115             for(ComponentTypeViewerSectionFactory factory : factories)\r
 116                 sections.add(factory.create(data));\r
 117         } catch(DatabaseException e) {\r
 118             e.printStackTrace();\r
 119         }\r
 120         \r
 121         sections.sort((a,b) -> { return Double.compare(a.getPriority(), b.getPriority()); });\r
 122         \r
 123         // Sashes\r
 124         \r
 125         Sash[] sashes = new Sash[sections.size()-1];\r
 126         for(int i=0;i<sections.size()-1;++i) {\r
 127             Sash sash = new Sash(form.getBody(), SWT.HORIZONTAL);\r
 128             sash.setBackground(sash.getDisplay().getSystemColor(SWT.COLOR_WHITE));\r
 129             {\r
 130                 FormData data = new FormData();\r
 131                 data.top = new FormAttachment(100*(i+1)/sections.size(), 0);\r
 132                 data.left = new FormAttachment(0, 0);\r
 133                 data.right = new FormAttachment(100, 0);\r
 134                 data.height = 10;\r
 135                 sash.setLayoutData(data);\r
 136             }\r
 137             sash.addSelectionListener(new SelectionAdapter() {\r
 138                 public void widgetSelected(SelectionEvent e) {\r
 139                     sash.setBounds(e.x, e.y, e.width, e.height);\r
 140                     FormData data = new FormData();\r
 141                     data.top = new FormAttachment(0, e.y);\r
 142                     data.left = new FormAttachment(0, 0);\r
 143                     data.right = new FormAttachment(100, 0);\r
 144                     data.height = 10;\r
 145                     sash.setLayoutData(data);\r
 146                     form.getBody().layout(true);\r
 147                 }\r
 148             });\r
 149             sashes[i] = sash;\r
 150         }\r
 151         for(int i=0;i<sections.size();++i) {\r
 152             {\r
 153                 FormData formData = new FormData();\r
 154                 formData.top = i > 0 ? new FormAttachment(sashes[i-1]) : new FormAttachment(0, 0);\r
 155                 formData.left = new FormAttachment(0, 0);\r
 156                 formData.right = new FormAttachment(100, 0);\r
 157                 formData.bottom = i < sections.size()-1 \r
 158                         ? new FormAttachment(sashes[i]) : new FormAttachment(100, 0);\r
 159                 sections.get(i).getSection().setLayoutData(formData);\r
 160             }\r
 161         }\r
 162 \r
 163         // Listening\r
 164         createGraphListener();\r
 165     }\r
 166     \r
 167     private void createGraphListener() {\r
 168         Simantics.getSession().asyncRequest(new UniqueRead<ComponentTypePropertiesResult>() {\r
 169             @Override\r
 170             public ComponentTypePropertiesResult perform(ReadGraph graph) throws DatabaseException {\r
 171                 List<ComponentTypeViewerPropertyInfo> result = new ArrayList<>();\r
 172                 List<NamedResource> connectionPoints = new ArrayList<>();\r
 173                 Layer0 L0 = Layer0.getInstance(graph);\r
 174                 Layer0X L0X = Layer0X.getInstance(graph);\r
 175                 StructuralResource2 STR = StructuralResource2.getInstance(graph);\r
 176                 for(Resource relation : graph.getObjects(data.componentType, L0.DomainOf)) {\r
 177                     if(graph.isSubrelationOf(relation, L0.HasProperty)) {\r
 178                         String name = graph.getRelatedValue(relation, L0.HasName);\r
 179                         String type =  graph.getPossibleRelatedValue(relation, L0.RequiresValueType);\r
 180                         String label = graph.getPossibleRelatedValue(relation, L0.HasLabel);\r
 181                         if (label == null)\r
 182                             label = "";\r
 183                         String description = graph.getPossibleRelatedValue(relation, L0.HasDescription);\r
 184                         if (description == null)\r
 185                             description = "";\r
 186                         NumberType numberType = null;\r
 187                         if(type == null)\r
 188                             type = "Double";\r
 189                         String unit = graph.getPossibleRelatedValue(relation, L0X.HasUnit, Bindings.STRING);\r
 190                         String defaultValue = "0";\r
 191                         String expression = null;\r
 192                         \r
 193                         for(Resource assertion : graph.getAssertedObjects(data.componentType, relation)) {\r
 194                             try {\r
 195                                 expression = graph.getPossibleRelatedValue(assertion, L0.SCLValue_expression, Bindings.STRING);\r
 196                                 if(expression != null) {\r
 197                                         defaultValue = "=" + expression;\r
 198                                 } else {\r
 199                                         Datatype dt = getPossibleDatatype(graph, assertion);\r
 200                                         if (dt == null)\r
 201                                             continue;\r
 202                                         if (dt instanceof NumberType)\r
 203                                             numberType = (NumberType) dt;\r
 204                                         Binding binding = Bindings.getBinding(dt);\r
 205                                         Object value = graph.getValue(assertion, binding);\r
 206                                         try {\r
 207                                             defaultValue = binding.toString(value, true);\r
 208                                         } catch (BindingException e) {\r
 209                                             ErrorLogger.defaultLogError(e);\r
 210                                         }\r
 211                                 }\r
 212                             } catch(DatabaseException e) {\r
 213                                 ErrorLogger.defaultLogError(e);\r
 214                             }\r
 215                         }\r
 216                         \r
 217                         String valid = expression != null ? DerivedPropertiesSection.validateMonitorExpression(graph, data.componentType, relation, expression) : null; \r
 218 \r
 219                         boolean immutable = graph.isImmutable(relation);\r
 220                         ComponentTypeViewerPropertyInfo info =\r
 221                                 new ComponentTypeViewerPropertyInfo(relation, name, type, defaultValue, numberType, unit, label, description, expression, valid, immutable);\r
 222                         \r
 223                         Object sectionSpecificData = null;\r
 224                         double priority = Double.NEGATIVE_INFINITY;\r
 225                         for(ComponentTypeViewerSection section : sections) {\r
 226                             Object temp = section.getSectionSpecificData(graph, info);\r
 227                             if(temp != null) {\r
 228                                 double sectionPriority = section.getDataPriority();\r
 229                                 if(sectionPriority > priority) {\r
 230                                     sectionSpecificData = temp;\r
 231                                     priority = sectionPriority;\r
 232                                 }\r
 233                             }\r
 234                         }\r
 235                         info.sectionSpecificData = sectionSpecificData;\r
 236                         \r
 237                         result.add(info);\r
 238 \r
 239                     } else if (graph.isInstanceOf(relation, STR.ConnectionRelation)) {\r
 240                         NamedResource nr = new NamedResource(NameUtils.getSafeName(graph, relation), relation);\r
 241                         connectionPoints.add(nr);\r
 242                     }\r
 243                 }\r
 244                 Collections.sort(result);\r
 245                 XSupport xs = graph.peekService(XSupport.class);\r
 246                 boolean immutable = xs != null ? xs.getImmutable(data.componentType) : false;\r
 247                 return new ComponentTypePropertiesResult(result, connectionPoints, immutable);\r
 248             }\r
 249         }, new Listener<ComponentTypePropertiesResult>() {\r
 250             @Override\r
 251             public void execute(final ComponentTypePropertiesResult result) {  \r
 252                 SWTUtils.asyncExec(data.form.getDisplay(), new Runnable() {\r
 253                     @Override\r
 254                     public void run() {\r
 255                         // Store loaded properties\r
 256                         data.properties = result.getProperties().toArray(new ComponentTypeViewerPropertyInfo[result.getProperties().size()]);\r
 257                         data.connectionPoints = result.getConnectionPoints().toArray(new NamedResource[result.getConnectionPoints().size()]);\r
 258 \r
 259                         for(ComponentTypeViewerSection section : sections)\r
 260                             section.update(result);\r
 261                         setReadOnly(result.isImmutable());\r
 262                     }\r
 263                 });\r
 264             }\r
 265 \r
 266             @Override\r
 267             public void exception(Throwable t) {\r
 268                 ErrorLogger.defaultLogError(t);\r
 269             }\r
 270 \r
 271             @Override\r
 272             public boolean isDisposed() {\r
 273                 return data.form.isDisposed();\r
 274             }\r
 275 \r
 276         });\r
 277     }\r
 278 \r
 279     protected Datatype getPossibleDatatype(ReadGraph graph, Resource literal) throws DatabaseException {\r
 280         Binding binding = Bindings.getBindingUnchecked(Datatype.class);\r
 281         for (Resource dataTypeResource : graph.getObjects(literal, Layer0.getInstance(graph).HasDataType)) {\r
 282             Datatype dt = graph.getPossibleValue(dataTypeResource, binding);\r
 283             if (dt != null)\r
 284                 return dt;\r
 285         }\r
 286         return null;\r
 287     }\r
 288 \r
 289     public void setFocus() {\r
 290         data.form.setFocus();\r
 291     }\r
 292 \r
 293     /**\r
 294      * @param readOnly\r
 295      * @thread SWT\r
 296      */\r
 297     private void setReadOnly(boolean readOnly) {\r
 298         if (readOnly == data.readOnly)\r
 299             return;\r
 300         data.readOnly = readOnly;\r
 301         for(ComponentTypeViewerSection section : sections)\r
 302             section.setReadOnly(readOnly);\r
 303         IMessageManager mm = data.form.getMessageManager();\r
 304         if (readOnly)\r
 305             mm.addMessage("readonly", "(Opened in read-only mode)", null, IMessageProvider.INFORMATION);\r
 306         else\r
 307             mm.removeMessage("readonly");\r
 308     }\r
 309 \r
 310 }\r