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