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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 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.expressions;\r
  13 \r
  14 import java.awt.BasicStroke;\r
  15 import java.awt.Frame;\r
  16 import java.awt.event.ActionEvent;\r
  17 import java.awt.event.ActionListener;\r
  18 import java.awt.geom.Point2D;\r
  19 import java.io.StringReader;\r
  20 import java.util.ArrayList;\r
  21 import java.util.Arrays;\r
  22 import java.util.List;\r
  23 import java.util.Map;\r
  24 \r
  25 import javax.swing.Timer;\r
  26 \r
  27 import org.eclipse.jface.layout.GridDataFactory;\r
  28 import org.eclipse.jface.layout.GridLayoutFactory;\r
  29 import org.eclipse.jface.text.BadLocationException;\r
  30 import org.eclipse.jface.text.IDocument;\r
  31 import org.eclipse.swt.SWT;\r
  32 import org.eclipse.swt.awt.SWT_AWT;\r
  33 import org.eclipse.swt.custom.VerifyKeyListener;\r
  34 import org.eclipse.swt.events.FocusAdapter;\r
  35 import org.eclipse.swt.events.FocusEvent;\r
  36 import org.eclipse.swt.events.FocusListener;\r
  37 import org.eclipse.swt.events.KeyListener;\r
  38 import org.eclipse.swt.events.ModifyEvent;\r
  39 import org.eclipse.swt.events.ModifyListener;\r
  40 import org.eclipse.swt.graphics.Point;\r
  41 import org.eclipse.swt.widgets.Composite;\r
  42 import org.eclipse.swt.widgets.Label;\r
  43 import org.eclipse.swt.widgets.Table;\r
  44 import org.jfree.chart.ChartFactory;\r
  45 import org.jfree.chart.ChartPanel;\r
  46 import org.jfree.chart.JFreeChart;\r
  47 import org.jfree.chart.plot.PlotOrientation;\r
  48 import org.jfree.data.xy.XYDataset;\r
  49 import org.jfree.data.xy.XYSeries;\r
  50 import org.jfree.data.xy.XYSeriesCollection;\r
  51 import org.simantics.databoard.Bindings;\r
  52 import org.simantics.db.ReadGraph;\r
  53 import org.simantics.db.Resource;\r
  54 import org.simantics.db.VirtualGraph;\r
  55 import org.simantics.db.WriteGraph;\r
  56 import org.simantics.db.common.request.WriteRequest;\r
  57 import org.simantics.db.common.utils.ListUtils;\r
  58 import org.simantics.db.exception.DatabaseException;\r
  59 import org.simantics.db.procedure.Listener;\r
  60 import org.simantics.db.request.Read;\r
  61 import org.simantics.layer0.Layer0;\r
  62 import org.simantics.layer0.utils.direct.GraphUtils;\r
  63 import org.simantics.sysdyn.SysdynResource;\r
  64 import org.simantics.sysdyn.tableParser.ParseException;\r
  65 import org.simantics.sysdyn.tableParser.TableParser;\r
  66 import org.simantics.sysdyn.tableParser.Token;\r
  67 import org.simantics.sysdyn.ui.utils.SyntaxError;\r
  68 import org.simantics.ui.SimanticsUI;\r
  69 \r
  70 public class WithLookupExpression implements IExpression {\r
  71 \r
  72     private ExpressionField expression;\r
  73     private ExpressionField lookup;\r
  74     private ExpressionField lastSelectedText = expression;\r
  75     private Timer updateChartTimer;\r
  76 \r
  77     private ChartPanel smallPanel;\r
  78     private Frame smallFrame;\r
  79 \r
  80     private Resource expr;\r
  81 \r
  82     public WithLookupExpression(Resource expression) {\r
  83         this.expr = expression;\r
  84     }\r
  85 \r
  86     @Override\r
  87     public void createExpressionFields(Composite parent, final Map<String, Object> data, Table allowedVariables) {\r
  88         GridLayoutFactory.fillDefaults().numColumns(3).applyTo(parent);\r
  89 \r
  90         updateChartTimer = new Timer(1000, new ActionListener() {\r
  91 \r
  92             @Override\r
  93             public void actionPerformed(ActionEvent e) {\r
  94                 updateChart();\r
  95             }\r
  96         });\r
  97         updateChartTimer.setRepeats(false);\r
  98 \r
  99         String equation = data.get("equation") != null ? (String)data.get("equation") : "";\r
 100         String lookupTable = data.get("lookup") != null ? (String)data.get("lookup") : "";\r
 101 \r
 102         Label l = new Label(parent, SWT.NONE);\r
 103         l.setText("With\nLookup");\r
 104 \r
 105         expression = new ExpressionField(parent, SWT.BORDER, allowedVariables, true);\r
 106         expression.setExpression(equation);\r
 107         GridDataFactory.fillDefaults().grab(true, true).applyTo(expression);\r
 108 \r
 109         expression.getSourceViewer().getTextWidget().addFocusListener(new FocusAdapter() {\r
 110 \r
 111             @Override\r
 112             public void focusLost(FocusEvent e) {\r
 113                 lastSelectedText = expression;\r
 114             }\r
 115         });\r
 116 \r
 117         Composite chartContainer = new Composite(parent, SWT.NONE);\r
 118         createChart(chartContainer, data);\r
 119 \r
 120 \r
 121         l = new Label(parent, SWT.NONE);\r
 122         l.setText("Lookup\ntable");\r
 123 \r
 124         lookup = new ExpressionField(parent, SWT.BORDER, null, false);\r
 125         lookup.setExpression(lookupTable);\r
 126         GridDataFactory.fillDefaults().grab(true, true).applyTo(lookup);\r
 127 \r
 128         lookup.getSourceViewer().getTextWidget().addFocusListener(new FocusAdapter() {\r
 129 \r
 130             @Override\r
 131             public void focusLost(FocusEvent e) {\r
 132                 lastSelectedText = lookup;\r
 133                 save(expr, data);\r
 134             }\r
 135         });\r
 136 \r
 137         lookup.getSourceViewer().getTextWidget().addModifyListener(new ModifyListener() {\r
 138 \r
 139             @Override\r
 140             public void modifyText(ModifyEvent e) {\r
 141                 if(!updateChartTimer.isRunning())\r
 142                     updateChartTimer.start();\r
 143                 else\r
 144                     updateChartTimer.restart();\r
 145             }\r
 146         });\r
 147 \r
 148 \r
 149         SimanticsUI.getSession().asyncRequest(new Read<String>() {\r
 150 \r
 151             @Override\r
 152             public String perform(ReadGraph graph) throws DatabaseException {\r
 153                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 154                 String result = "";\r
 155                 if (expr != null && graph.isInstanceOf(expr, sr.WithLookupExpression)) {\r
 156                     result = graph.getPossibleRelatedValue(expr, sr.WithLookupExpression_lookup);\r
 157                 }\r
 158                 return result;\r
 159             }\r
 160         }, new Listener<String>() {\r
 161 \r
 162             @Override\r
 163             public void exception(Throwable t) {\r
 164                 t.printStackTrace();\r
 165             }\r
 166 \r
 167             @Override\r
 168             public void execute(final String result) {\r
 169                 if(lookup != null)\r
 170                     lookup.getDisplay().asyncExec(new Runnable() {\r
 171 \r
 172                         @Override\r
 173                         public void run() {\r
 174                             lookup.setExpression(result);                            \r
 175                         }\r
 176                     });\r
 177                 updateChart();\r
 178             }\r
 179 \r
 180             @Override\r
 181             public boolean isDisposed() {\r
 182                 if(lookup != null && !lookup.isDisposed()) {\r
 183                     return false;\r
 184                 }\r
 185                 return true;\r
 186             }\r
 187         });\r
 188 \r
 189         updateChart();\r
 190     }\r
 191 \r
 192     @Override\r
 193     public void focus() {\r
 194         if(this.lastSelectedText != null) this.lastSelectedText.focus();        \r
 195     }\r
 196 \r
 197     @Override\r
 198     public List<ExpressionField> getExpressionFields() {\r
 199         return Arrays.asList(this.expression, this.lookup);\r
 200     }\r
 201 \r
 202     @Override\r
 203     public void readData(final Resource expression, Map<String, Object> data) {\r
 204 \r
 205         class Auxiliary {\r
 206             String equation, lookup;\r
 207         }\r
 208 \r
 209         Auxiliary results = null;\r
 210 \r
 211         if (data.get("equation") == null) {\r
 212             try {\r
 213                 results = SimanticsUI.getSession().syncRequest(new Read<Auxiliary>() {\r
 214 \r
 215                     @Override\r
 216                     public Auxiliary perform(ReadGraph graph) throws DatabaseException {\r
 217                         Auxiliary results = new Auxiliary();\r
 218                         SysdynResource sr = SysdynResource.getInstance(graph);\r
 219                         if (expression != null && graph.isInstanceOf(expression, sr.WithLookupExpression)) {\r
 220                             results.equation = graph.getPossibleRelatedValue(expression, sr.WithLookupExpression_expression);\r
 221                             results.lookup = graph.getPossibleRelatedValue(expression, sr.WithLookupExpression_lookup);\r
 222                         } else {\r
 223                             results.equation = "";\r
 224                             results.lookup = "";\r
 225                         }\r
 226                         return results;\r
 227                     }\r
 228                 });\r
 229             } catch (DatabaseException e1) {\r
 230                 e1.printStackTrace();\r
 231             }\r
 232             data.put("equation", results.equation == null ? "" : results.equation);\r
 233             data.put("lookup", results.lookup == null ? "" : results.lookup);\r
 234         }\r
 235 \r
 236     }\r
 237 \r
 238     @Override\r
 239     public void replaceSelection(String var) {\r
 240         if(lastSelectedText != null) {\r
 241             IDocument doc = lastSelectedText.getDocument();\r
 242             try {\r
 243                 Point selection = lastSelectedText.getSelection();\r
 244                 doc.replace(selection.x, selection.y, var);\r
 245                 lastSelectedText.setSelection(selection.x + var.length());\r
 246             } catch (BadLocationException e) {\r
 247                 e.printStackTrace();\r
 248             }\r
 249         }        \r
 250     }\r
 251 \r
 252     @Override\r
 253     public void save(final Resource expression, Map<String, Object> data) {\r
 254         final String currentExpression = this.expression.getExpression();\r
 255         final String currentLookupTable = lookup.getExpression();\r
 256         String oldExpression = (String)data.get("equation");\r
 257         String oldLookupTable = (String)data.get("lookup");\r
 258 \r
 259         if(oldExpression == null || oldLookupTable == null ||\r
 260                 (currentExpression != null && currentLookupTable != null\r
 261                         && (!currentExpression.equals(oldExpression) || \r
 262                                 !currentLookupTable.equals(oldLookupTable)))) {\r
 263             data.putAll(data);\r
 264             data.put("equation", currentExpression);\r
 265             data.put("lookup", currentLookupTable);\r
 266             SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
 267                 @Override\r
 268                 public void perform(WriteGraph g)\r
 269                 throws DatabaseException {\r
 270                     SysdynResource sr = SysdynResource.getInstance(g);\r
 271                     Layer0 l0 = Layer0.getInstance(g);\r
 272                     \r
 273                     if(!g.isInstanceOf(expr, sr.WithLookupExpression)) {\r
 274                         \r
 275                         \r
 276                         final Resource newExpression = GraphUtils.create2(g, sr.WithLookupExpression,\r
 277                                         sr.WithLookupExpression_minX, 0.0,\r
 278                                         sr.WithLookupExpression_maxX, 10.0,\r
 279                                         sr.WithLookupExpression_minY, 0.0,\r
 280                                         sr.WithLookupExpression_maxY, 10.0);\r
 281                         String arrayRange = g.getPossibleRelatedValue(expression, sr.Expression_arrayRange, Bindings.STRING);\r
 282                         if(arrayRange != null)\r
 283                                 g.claimLiteral(newExpression, sr.Expression_arrayRange, arrayRange);\r
 284                         \r
 285                         final Resource variable = g.getSingleObject(expression, l0.PartOf);\r
 286                         Resource expressions = g.getPossibleObject(variable, sr.Variable_expressionList);\r
 287                         Resource node = ListUtils.getNode(g, expressions, expression);\r
 288                         g.deny(node, l0.List_Element);\r
 289                         g.claim(node, l0.List_Element, newExpression);\r
 290                         \r
 291                         g.deny(expression, l0.PartOf);\r
 292                         g.claim(newExpression, l0.PartOf, variable);\r
 293                         \r
 294                                                 VirtualGraph runtime = g.getService(VirtualGraph.class);\r
 295                                                 g.syncRequest(new WriteRequest(runtime) {\r
 296                                                         @Override\r
 297                                                         public void perform(WriteGraph graph) throws DatabaseException {\r
 298                                                                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 299                                                                 if(graph.hasStatement(variable, sr.IndependentVariable_activeExpression))\r
 300                                                                         graph.deny(variable, sr.IndependentVariable_activeExpression);\r
 301                                                                 graph.claim(variable, sr.IndependentVariable_activeExpression, newExpression);\r
 302                                                         }\r
 303                                                 }\r
 304                                                 );\r
 305                         expr = newExpression;\r
 306                         \r
 307                     }\r
 308                     g.claimLiteral(expr, sr.WithLookupExpression_expression, currentExpression);\r
 309                     g.claimLiteral(expr, sr.WithLookupExpression_lookup, currentLookupTable);\r
 310                 }\r
 311             });\r
 312         }\r
 313 \r
 314     }\r
 315 \r
 316     @Override\r
 317     public void updateData(Map<String, Object> data) {\r
 318         if(this.expression != null && this.expression.getExpression() != null)\r
 319             data.put("equation", this.expression.getExpression());\r
 320         if(this.lookup != null && this.lookup.getExpression() != null)\r
 321             data.put("lookup", this.lookup.getExpression());   \r
 322     }\r
 323 \r
 324     @Override\r
 325     public void addKeyListener(KeyListener listener) {\r
 326         this.expression.getSourceViewer().getTextWidget().addKeyListener(listener);\r
 327         this.lookup.getSourceViewer().getTextWidget().addKeyListener(listener);\r
 328     }\r
 329     \r
 330         @Override\r
 331         public void addVerifyKeyListener(VerifyKeyListener listener) {\r
 332                 this.expression.getSourceViewer().getTextWidget().addVerifyKeyListener(listener);\r
 333                 this.lookup.getSourceViewer().getTextWidget().addVerifyKeyListener(listener);\r
 334         }\r
 335 \r
 336     @Override\r
 337     public void addModifyListener(ModifyListener listener) {\r
 338         this.expression.getSourceViewer().getTextWidget().addModifyListener(listener);\r
 339         this.lookup.getSourceViewer().getTextWidget().addModifyListener(listener);\r
 340     }\r
 341 \r
 342     @Override\r
 343     public void addFocusListener(FocusListener listener) {\r
 344         this.expression.getSourceViewer().getTextWidget().addFocusListener(listener);\r
 345         this.lookup.getSourceViewer().getTextWidget().addFocusListener(listener);\r
 346     }\r
 347 \r
 348     private void createChart(Composite composite, final Map<String, Object> data) {\r
 349         GridLayoutFactory.fillDefaults().applyTo(composite);\r
 350         GridDataFactory.fillDefaults().span(1, 2).hint(150, SWT.DEFAULT).applyTo(composite);\r
 351         final Composite chartComposite = new Composite(composite, \r
 352                 SWT.NO_BACKGROUND | SWT.EMBEDDED);\r
 353         GridDataFactory.fillDefaults().grab(true, true).applyTo(chartComposite);\r
 354         smallFrame = SWT_AWT.new_Frame(chartComposite);\r
 355 \r
 356         XYDataset dataset = new XYSeriesCollection(new XYSeries("Lookup Table"));\r
 357         JFreeChart chart = createChart(dataset);\r
 358         smallPanel = new ChartPanel(chart);\r
 359         smallFrame.add(smallPanel);\r
 360 \r
 361     }\r
 362 \r
 363     private static JFreeChart createChart(XYDataset dataset) {\r
 364         JFreeChart chart = ChartFactory.createXYLineChart(\r
 365                 null,\r
 366                 null,\r
 367                 null,\r
 368                 dataset,\r
 369                 PlotOrientation.VERTICAL,\r
 370                 true,\r
 371                 true,\r
 372                 false\r
 373         );\r
 374         chart.removeLegend();\r
 375         chart.getXYPlot().getDomainAxis().setTickLabelsVisible(true);\r
 376         chart.getXYPlot().getDomainAxis().setAxisLineVisible(false);\r
 377         chart.getXYPlot().getDomainAxis().setTickMarksVisible(true);\r
 378         chart.getXYPlot().getRangeAxis().setTickLabelsVisible(true);\r
 379         chart.getXYPlot().getRangeAxis().setAxisLineVisible(false);\r
 380         chart.getXYPlot().getRangeAxis().setTickMarksVisible(true);\r
 381         chart.getXYPlot().getRenderer().setSeriesStroke(0, new BasicStroke(3.0f));\r
 382         return chart;\r
 383     }\r
 384 \r
 385     private void updateChart() {\r
 386         ArrayList<Point2D> dataPoints = new ArrayList<Point2D>();\r
 387         TableParser parser = new TableParser(new StringReader(""));\r
 388         parser.ReInit(new StringReader(lookup.getExpression()));\r
 389         try {\r
 390             parser.table();\r
 391             ArrayList<Token> xTokens = parser.getXTokens();\r
 392             ArrayList<Token> yTokens = parser.getYTokens();\r
 393             for(int i = 0; i < xTokens.size(); i++) {\r
 394                 dataPoints.add(new Point2D.Double(\r
 395                         Double.parseDouble(xTokens.get(i).image), \r
 396                         Double.parseDouble(yTokens.get(i).image)));\r
 397             }\r
 398         } catch (ParseException e1) {\r
 399             this.lookup.setSyntaxError(new SyntaxError(e1.currentToken, "Syntax Error"));\r
 400             System.out.println("MESSAGE: " + e1.getMessage());\r
 401             return;\r
 402         }\r
 403 \r
 404         XYSeries series = new XYSeries("Lookup Table");\r
 405         for(Point2D point : dataPoints) {\r
 406             series.add(point.getX(), point.getY());\r
 407         }\r
 408         XYSeriesCollection dataset =  new XYSeriesCollection(series);\r
 409         smallPanel.getChart().getXYPlot().setDataset(dataset);\r
 410     }\r
 411 \r
 412 }\r