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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 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.sysdyn.ui.properties.widgets.functions;\r
  13 \r
  14 import java.awt.event.ActionEvent;\r
  15 import java.awt.event.ActionListener;\r
  16 import java.io.StringReader;\r
  17 import java.util.ArrayList;\r
  18 \r
  19 import javax.swing.Timer;\r
  20 \r
  21 import org.eclipse.jface.layout.GridDataFactory;\r
  22 import org.eclipse.swt.SWT;\r
  23 import org.eclipse.swt.custom.StyledText;\r
  24 import org.eclipse.swt.custom.VerifyKeyListener;\r
  25 import org.eclipse.swt.events.FocusAdapter;\r
  26 import org.eclipse.swt.events.FocusEvent;\r
  27 import org.eclipse.swt.events.ModifyEvent;\r
  28 import org.eclipse.swt.events.ModifyListener;\r
  29 import org.eclipse.swt.events.VerifyEvent;\r
  30 import org.eclipse.swt.widgets.Composite;\r
  31 import org.eclipse.swt.widgets.Listener;\r
  32 import org.simantics.browsing.ui.swt.widgets.impl.Widget;\r
  33 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
  34 import org.simantics.db.ReadGraph;\r
  35 import org.simantics.db.Resource;\r
  36 import org.simantics.db.WriteGraph;\r
  37 import org.simantics.db.common.request.WriteRequest;\r
  38 import org.simantics.db.common.utils.ListUtils;\r
  39 import org.simantics.db.exception.DatabaseException;\r
  40 import org.simantics.db.layer0.util.RemoverUtil;\r
  41 import org.simantics.db.management.ISessionContext;\r
  42 import org.simantics.db.request.Read;\r
  43 import org.simantics.layer0.Layer0;\r
  44 import org.simantics.layer0.utils.direct.GraphUtils;\r
  45 import org.simantics.sysdyn.SysdynResource;\r
  46 import org.simantics.sysdyn.modelParser.ModelParser;\r
  47 import org.simantics.sysdyn.modelParser.ModelParser.Parameter;\r
  48 import org.simantics.sysdyn.modelParser.ParseException;\r
  49 import org.simantics.sysdyn.modelParser.Token;\r
  50 import org.simantics.sysdyn.modelParser.TokenMgrError;\r
  51 import org.simantics.sysdyn.ui.properties.widgets.expressions.ExpressionField;\r
  52 import org.simantics.sysdyn.ui.utils.SyntaxError;\r
  53 import org.simantics.ui.SimanticsUI;\r
  54 import org.simantics.ui.utils.AdaptionUtils;\r
  55 \r
  56 public class FunctionCodeWidget implements Widget {\r
  57         \r
  58         private ExpressionField modelicaCode;\r
  59         private Resource function;\r
  60         \r
  61     private Timer updateChartTimer;\r
  62     private static int VALIDATION_DELAY_TIME = 500;\r
  63         \r
  64     private ArrayList<Parameter> inputs;\r
  65     private ArrayList<Parameter> outputs;\r
  66     \r
  67         public FunctionCodeWidget(Composite parent, WidgetSupport support, int style) {\r
  68                 support.register(this);\r
  69         modelicaCode = new ExpressionField(parent, SWT.BORDER, null, false, null);\r
  70         GridDataFactory.fillDefaults().grab(true, true).applyTo(modelicaCode);\r
  71         \r
  72 \r
  73         // Support shift+enter for line change\r
  74         modelicaCode.getSourceViewer().getTextWidget().addVerifyKeyListener(new VerifyKeyListener() {\r
  75 \r
  76                 @Override\r
  77                 public void verifyKey(VerifyEvent event) {\r
  78                         if(event.keyCode == SWT.CR || event.keyCode == SWT.KEYPAD_CR) {\r
  79                                 if((event.stateMask & SWT.SHIFT) == 0) {\r
  80                                         event.doit = false;\r
  81                                         Listener[] listeners = modelicaCode.getSourceViewer().getTextWidget().getListeners(SWT.FocusOut);\r
  82                                         for(Listener l : listeners) {\r
  83                                                 modelicaCode.getSourceViewer().getTextWidget().removeListener(SWT.FocusOut, l);\r
  84                                         }\r
  85                                         ((StyledText)event.widget).getParent().forceFocus();\r
  86                                         save();\r
  87                                         for(Listener l : listeners) {\r
  88                                                 modelicaCode.getSourceViewer().getTextWidget().addListener(SWT.FocusOut, l);\r
  89                                         }\r
  90                                 \r
  91                                 }\r
  92                         }\r
  93                 }\r
  94         });\r
  95         \r
  96         \r
  97         modelicaCode.getSourceViewer().getTextWidget().addModifyListener(new ModifyListener() {\r
  98 \r
  99                         @Override\r
 100                         public void modifyText(ModifyEvent e) {\r
 101                                 validateFieldsTimed();\r
 102                         }\r
 103                 });\r
 104         \r
 105         modelicaCode.getSourceViewer().getTextWidget().addFocusListener(new FocusAdapter() {\r
 106                         @Override\r
 107                         public void focusLost(FocusEvent e) {\r
 108                                 save();\r
 109                         }\r
 110                 });\r
 111                 \r
 112         \r
 113         updateChartTimer = new Timer(VALIDATION_DELAY_TIME, new ActionListener() {\r
 114 \r
 115             @Override\r
 116             public void actionPerformed(ActionEvent e) {\r
 117                 if(modelicaCode == null || modelicaCode.isDisposed())\r
 118                         return;\r
 119                 modelicaCode.getDisplay().asyncExec(new Runnable() {\r
 120                                 \r
 121                                 @Override\r
 122                                 public void run() {\r
 123                                         validate();\r
 124                                 }\r
 125                         });\r
 126             }\r
 127         });\r
 128         updateChartTimer.setRepeats(false);\r
 129         }\r
 130 \r
 131         @Override\r
 132         public void setInput(ISessionContext context, Object input) {\r
 133                 function = AdaptionUtils.adaptToSingle(input, Resource.class);\r
 134                 \r
 135                 try {\r
 136                         String code = context.getSession().syncRequest(new Read<String>() {\r
 137 \r
 138                                 @Override\r
 139                                 public String perform(ReadGraph graph) throws DatabaseException {\r
 140                                         String code = graph.getPossibleRelatedValue(\r
 141                                                         function, SysdynResource.getInstance(graph).SysdynModelicaFunction_modelicaFunctionCode);\r
 142                                         if (code == null) {\r
 143                                             code = graph.getPossibleRelatedValue(\r
 144                                                     function, SysdynResource.getInstance(graph).SysdynModelicaFunction_modelicaFunctionInterface);\r
 145                                             if (code == null) {\r
 146                                 code = new String("");\r
 147                             }\r
 148                                         }\r
 149                                         return code;\r
 150                                 }\r
 151                                 \r
 152                         });\r
 153                         if(code != null) {\r
 154                                 modelicaCode.setExpression(code);\r
 155                                 validate();\r
 156                         }\r
 157                 } catch (DatabaseException e) {\r
 158                         e.printStackTrace();\r
 159                 }\r
 160         }\r
 161         \r
 162         \r
 163     public void validateFieldsTimed() {         \r
 164         validateFieldsTimed(VALIDATION_DELAY_TIME);\r
 165     }\r
 166     \r
 167     public void validateFieldsTimed(int delay) {\r
 168         updateChartTimer.setDelay(delay);\r
 169         if(!updateChartTimer.isRunning())\r
 170             updateChartTimer.start();\r
 171         else\r
 172             updateChartTimer.restart();\r
 173     }\r
 174     \r
 175     public void validate() {\r
 176         modelicaCode.resetAnnotations();\r
 177         String code = modelicaCode.getExpression();\r
 178         StringReader sr = new StringReader(code);\r
 179         ModelParser modelParser = new ModelParser(sr);\r
 180         \r
 181         try {\r
 182                         modelParser.parse_composition();\r
 183                         \r
 184                         inputs = modelParser.getInputs();\r
 185                     outputs = modelParser.getOutputs();\r
 186 \r
 187                 } catch (ParseException e1) {\r
 188                         Token token = e1.currentToken;\r
 189                         modelicaCode.setSyntaxError(new SyntaxError(token.image, "Syntax error", token.beginLine, token.beginColumn, token.endLine, token.endColumn));\r
 190                 } catch (TokenMgrError err) {\r
 191                         String message = err.getMessage();\r
 192                         String line = message.substring(0, message.indexOf(","));\r
 193                         line = line.substring(line.lastIndexOf(" ") + 1);\r
 194                         String column = message.substring(message.indexOf(",") + 1, message.indexOf("."));\r
 195                         column = column.substring(column.lastIndexOf(" ") + 1);\r
 196                         try {\r
 197                                 Integer endLine = Integer.parseInt(line);\r
 198                                 Integer endColumn = Integer.parseInt(column);\r
 199                                 Token token = modelParser.token;\r
 200                                 modelicaCode.setSyntaxError(new SyntaxError(token.image, "Syntax error", token.endLine, token.endColumn, endLine, endColumn));\r
 201                         } catch (NumberFormatException e) {\r
 202                                 \r
 203                         }\r
 204                         \r
 205                 }\r
 206         }\r
 207     \r
 208     private void save() {\r
 209         final String code = modelicaCode.getExpression();\r
 210         \r
 211         // Update input and output lists.\r
 212         validate();\r
 213         \r
 214         SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
 215             \r
 216             @Override\r
 217             public void perform(WriteGraph graph) throws DatabaseException {\r
 218                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 219 \r
 220                 // Remove the existing input list\r
 221                 removeInputList(graph);\r
 222                 // Create the new input list\r
 223                 createInputList(graph);\r
 224 \r
 225                 // Remove the existing output list\r
 226                 removeOutputList(graph);\r
 227                 // Create the new output list\r
 228                 createOutputList(graph);\r
 229                 \r
 230                 // Update the function code\r
 231                 graph.claimLiteral(\r
 232                         function, \r
 233                         sr.SysdynModelicaFunction_modelicaFunctionCode, \r
 234                         code);\r
 235             }\r
 236             \r
 237             private void removeInputList(WriteGraph graph) throws DatabaseException {\r
 238                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 239                 \r
 240                 Resource oldInputList = graph.getPossibleObject(function, sr.SysdynModelicaFunction_inputs);\r
 241                 if (oldInputList != null) {\r
 242                     // Find all the inputs \r
 243                     for (Resource input : ListUtils.toList(graph, oldInputList)) {\r
 244                         // Check if we have a variable length input\r
 245                         if (graph.isInstanceOf(input, sr.SysdynModelicaFunction_VariableLengthInput)) {\r
 246                             // The variable length inputs are found here\r
 247                             Resource variableLengthInputLabels = graph.getPossibleObject(input, sr.SysdynModelicaFunction_VariableLengthInput_shownLabels);\r
 248                             if (variableLengthInputLabels != null) {\r
 249                                 // Find labels (strings)\r
 250                                 for (Resource label : ListUtils.toList(graph, variableLengthInputLabels)) {\r
 251                                     //Remove string\r
 252                                     RemoverUtil.remove(graph, label);\r
 253                                 }\r
 254                                 // Remove list\r
 255                                 RemoverUtil.remove(graph, variableLengthInputLabels);\r
 256                             }\r
 257                         }                       \r
 258                         // Remove the input\r
 259                         RemoverUtil.remove(graph, input);\r
 260                     }\r
 261                     // Remove the list\r
 262                     RemoverUtil.remove(graph, oldInputList);\r
 263                 }\r
 264             }\r
 265             \r
 266             private void createInputList(WriteGraph graph) throws DatabaseException {\r
 267                 Layer0 l0 = Layer0.getInstance(graph);\r
 268                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 269                 \r
 270                 ArrayList<Resource> inputResources = new ArrayList<Resource>();\r
 271                 // Create inputs\r
 272                 if (inputs != null) {\r
 273                     for (Parameter input : inputs) {\r
 274                         Resource r = GraphUtils.create2(graph, sr.SysdynModelicaFunction_Input,\r
 275                                 l0.HasName, input.name, \r
 276                                 sr.Variable_type, input.type,\r
 277                                 sr.SysdynModelicaFunction_optional, input.optional ? l0.True : l0.False);\r
 278                         if (input.description != null) {\r
 279                             // Description is optional\r
 280                             graph.claimLiteral(r, sr.SysdynModelicaFunction_definition, input.description);\r
 281                         }\r
 282                         inputResources.add(r);\r
 283                     }\r
 284                     graph.claim(\r
 285                             function, \r
 286                             sr.SysdynModelicaFunction_inputs, \r
 287                             ListUtils.create(graph, inputResources));\r
 288                 }\r
 289             }\r
 290             \r
 291             private void removeOutputList(WriteGraph graph) throws DatabaseException {\r
 292                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 293 \r
 294                 Resource oldOutputList = graph.getPossibleObject(function, sr.SysdynModelicaFunction_outputs);\r
 295                 if (oldOutputList != null) {\r
 296                     // Find all the outputs \r
 297                     for (Resource output : ListUtils.toList(graph, oldOutputList)) {\r
 298                         // Remove the output\r
 299                         RemoverUtil.remove(graph, output);\r
 300                     }\r
 301                     // Remove the list\r
 302                     RemoverUtil.remove(graph, oldOutputList);\r
 303                 }\r
 304             }\r
 305                         \r
 306             private void createOutputList(WriteGraph graph) throws DatabaseException {\r
 307                 Layer0 l0 = Layer0.getInstance(graph);\r
 308                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 309 \r
 310                 ArrayList<Resource> outputResources = new ArrayList<Resource>();\r
 311                 // Create outputs\r
 312                 if (outputs != null) {\r
 313                     for (Parameter output : outputs) {\r
 314                         Resource r = GraphUtils.create2(graph, sr.SysdynModelicaFunction_Output,\r
 315                                 l0.HasName, output.name, \r
 316                                 sr.Variable_type, output.type);\r
 317                         if (output.description != null) {\r
 318                             // Description is optional\r
 319                             graph.claimLiteral(r, sr.SysdynModelicaFunction_definition, output.description);\r
 320                         }\r
 321                         outputResources.add(r);\r
 322                     }\r
 323                     graph.claim(\r
 324                             function, \r
 325                             sr.SysdynModelicaFunction_outputs, \r
 326                             ListUtils.create(graph, outputResources));\r
 327                 }\r
 328                 \r
 329             }\r
 330 \r
 331                 });\r
 332     }\r
 333 \r
 334 }\r