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