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