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