bundles/org.simantics.charts/src/org/simantics/charts/ui/ChartAndSubscriptionItemDialog.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 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.charts.ui;\r
  13 \r
  14 import java.awt.Color;\r
  15 \r
  16 import org.eclipse.core.runtime.preferences.IEclipsePreferences;\r
  17 import org.eclipse.core.runtime.preferences.InstanceScope;\r
  18 import org.eclipse.jface.dialogs.Dialog;\r
  19 import org.eclipse.jface.fieldassist.ControlDecoration;\r
  20 import org.eclipse.jface.fieldassist.FieldDecorationRegistry;\r
  21 import org.eclipse.jface.layout.GridDataFactory;\r
  22 import org.eclipse.jface.layout.GridLayoutFactory;\r
  23 import org.eclipse.jface.preference.ColorSelector;\r
  24 import org.eclipse.jface.util.IPropertyChangeListener;\r
  25 import org.eclipse.jface.util.PropertyChangeEvent;\r
  26 import org.eclipse.swt.SWT;\r
  27 import org.eclipse.swt.events.ModifyEvent;\r
  28 import org.eclipse.swt.events.ModifyListener;\r
  29 import org.eclipse.swt.events.SelectionAdapter;\r
  30 import org.eclipse.swt.events.SelectionEvent;\r
  31 import org.eclipse.swt.graphics.Image;\r
  32 import org.eclipse.swt.graphics.RGB;\r
  33 import org.eclipse.swt.widgets.Button;\r
  34 import org.eclipse.swt.widgets.Combo;\r
  35 import org.eclipse.swt.widgets.Composite;\r
  36 import org.eclipse.swt.widgets.Control;\r
  37 import org.eclipse.swt.widgets.Group;\r
  38 import org.eclipse.swt.widgets.Label;\r
  39 import org.eclipse.swt.widgets.Shell;\r
  40 import org.eclipse.swt.widgets.Spinner;\r
  41 import org.eclipse.swt.widgets.Text;\r
  42 import org.simantics.charts.preference.ChartPreferences;\r
  43 import org.simantics.charts.query.ChartAndSubscriptionItemData;\r
  44 import org.simantics.databoard.util.URIStringUtils;\r
  45 import org.simantics.modeling.preferences.SubscriptionPreferences;\r
  46 import org.simantics.trend.configuration.Scale;\r
  47 import org.simantics.trend.configuration.TrendItem.DrawMode;\r
  48 import org.simantics.trend.impl.JarisPaints;\r
  49 \r
  50 /**\r
  51  * ChartAndSubscriptionItemDialog is a dialog that has the following property\r
  52  * queries:\r
  53  *   Chart name  (Read only)\r
  54  *   Variable    (Read only)\r
  55  *   Label\r
  56  *   Draw Mode   (Enumeration)\r
  57  *   Scale, min, max ( Enum, int, int)\r
  58  *   Subscription ( Text )\r
  59  *   Deadband, Interval, Gain, Bias, Unit (Double)\r
  60  *   Stroke settings (width, color)\r
  61  * \r
  62  * If the dialog is opened in binary mode the content is more stripped.\r
  63  *   Chart name\r
  64  *   Variable\r
  65  *   Label\r
  66  *   Subscription\r
  67  *   Stroke settings\r
  68  * \r
  69  * @author toni.kalajainen\r
  70  */\r
  71 public class ChartAndSubscriptionItemDialog extends Dialog {\r
  72 \r
  73     private static final String MANUAL = "Manual";\r
  74     private static final String AUTO = "Auto";\r
  75 \r
  76     // UI\r
  77     Label lChart, lRVI, lLabel, lDrawMode, lScale, lMin, lMax, lSubscription, lDeadband, lInterval, lGain, lBias, lUnit;\r
  78     Text tRVI, tLabel, tDeadband, tInterval, tGain, tBias, tUnit;\r
  79     Combo cSubscription;\r
  80     Button saveAsPrefs;\r
  81 \r
  82     // chart specific, not initialized, if includeChartSpecificProperties=false\r
  83     Text tChart, tMin, tMax;\r
  84     Combo cDrawMode, cScale;\r
  85     Spinner sStrokeWidth;\r
  86     ColorSelector colorSelector;\r
  87 \r
  88     // Input error decorations\r
  89     ControlDecoration tMinDecor;\r
  90     ControlDecoration tMaxDecor;\r
  91     ControlDecoration tDeadbandDecor;\r
  92     ControlDecoration tIntervalDecor;\r
  93     ControlDecoration tGainDecor;\r
  94     ControlDecoration tBiasDecor;\r
  95 \r
  96     //\r
  97     ChartAndSubscriptionItemData baseData = new ChartAndSubscriptionItemData();\r
  98     ChartAndSubscriptionItemData data;\r
  99 \r
 100     final Runnable applyAction;\r
 101 \r
 102     IEclipsePreferences chartnode; // chart specific, not initialized, if includeChartSpecificProperties=false\r
 103     IEclipsePreferences subscriptionnode;\r
 104     boolean includeChartSpecificProperties;\r
 105 \r
 106     public ChartAndSubscriptionItemDialog(Shell parentShell, ChartAndSubscriptionItemData data, boolean includeChartSpecificProperties) {\r
 107         this(parentShell, data, includeChartSpecificProperties, null);\r
 108     }\r
 109 \r
 110     public ChartAndSubscriptionItemDialog(Shell parentShell, ChartAndSubscriptionItemData data, boolean includeChartSpecificProperties, Runnable applyAction) {\r
 111         super(parentShell);\r
 112         this.data = data;\r
 113         this.baseData.readFrom(data);\r
 114         this.includeChartSpecificProperties = includeChartSpecificProperties;\r
 115         this.applyAction = applyAction;\r
 116 \r
 117         if(includeChartSpecificProperties)\r
 118             chartnode = InstanceScope.INSTANCE.getNode( ChartPreferences.P_NODE );\r
 119         subscriptionnode = InstanceScope.INSTANCE.getNode( SubscriptionPreferences.P_NODE );\r
 120 \r
 121         setShellStyle(SWT.RESIZE | SWT.TITLE | SWT.CLOSE | SWT.BORDER);\r
 122     }\r
 123 \r
 124     @Override\r
 125     protected Control createContents(Composite parent) {\r
 126         Control c = super.createContents(parent);\r
 127         validate();\r
 128         return c;\r
 129     }\r
 130 \r
 131     @Override\r
 132     protected void createButtonsForButtonBar(Composite parent) {\r
 133         if (applyAction != null)\r
 134             createButton(parent, ChartDialogConstants.APPLY_ID, ChartDialogConstants.APPLY_LABEL, true);\r
 135         super.createButtonsForButtonBar(parent);\r
 136     }\r
 137 \r
 138     public void setInput(ChartAndSubscriptionItemData data) {\r
 139         // TODO: implement so that this reinitializes the UI of the dialog according to the new specified data\r
 140     }\r
 141 \r
 142     protected void disposeDialogAreaContents() {\r
 143         Composite area = (Composite) dialogArea;\r
 144         for (Control child : area.getChildren())\r
 145             child.dispose();\r
 146     }\r
 147 \r
 148     @Override\r
 149     protected Control createDialogArea(Composite parent) {\r
 150         Composite c = (Composite) super.createDialogArea(parent);\r
 151         GridLayoutFactory.fillDefaults().margins(8, 8).numColumns(9).applyTo(c);\r
 152         createDialogAreaContents(c);\r
 153         return c;\r
 154     }\r
 155 \r
 156     protected void createDialogAreaContents(Composite c) {\r
 157         GridDataFactory gd1 = GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).span(1, 1);\r
 158         GridDataFactory gd2 = GridDataFactory.fillDefaults().grab(true, false).indent(5, 0).span(8, 1);\r
 159 \r
 160         // 1st line - Chart: [chart name]\r
 161         if(includeChartSpecificProperties) {\r
 162             lChart = new Label(c, 0);\r
 163             lChart.setText("Chart:");\r
 164             gd1.applyTo(lChart);\r
 165             tChart = new Text(c, SWT.BORDER | SWT.READ_ONLY);\r
 166             //tChart.setEnabled( false );\r
 167             if ( data.chartName != null ) tChart.setText( data.chartName );\r
 168             gd2.applyTo(tChart);\r
 169         }\r
 170 \r
 171         // 2nd line - Variable Reference: [chart item label]\r
 172         lRVI = new Label(c, 0);\r
 173         lRVI.setText("Variable: ");\r
 174         gd1.applyTo(lRVI);\r
 175         tRVI = new Text(c, SWT.BORDER | SWT.READ_ONLY);\r
 176         //tRVI.setEnabled(false);\r
 177         if ( data.variableReference!=null ) tRVI.setText(URIStringUtils.unescape( data.variableReference ));\r
 178         gd2.applyTo(tRVI);\r
 179 \r
 180         // 3rd line - Label: [chart item label]\r
 181         lLabel = new Label(c, 0);\r
 182         lLabel.setText("&Label: ");\r
 183         gd1.applyTo(lLabel);\r
 184         tLabel = new Text(c, SWT.BORDER);\r
 185         if ( data.label!=null ) tLabel.setText(data.label);\r
 186         gd2.applyTo(tLabel);\r
 187 \r
 188 //        if (!data.binaryMode) {\r
 189 //              // 4th line - DrawMode: [ drop-down-list V ]\r
 190 //              lDrawMode = new Label(c, 0);\r
 191 //              lDrawMode.setText("DrawMode :");\r
 192 //              gd1.applyTo(lDrawMode);\r
 193 //              cDrawMode = new Combo(c, SWT.DROP_DOWN | SWT.BORDER | SWT.READ_ONLY);\r
 194 //              for (DrawMode dm : DrawMode.values()) cDrawMode.add( dm.name() );\r
 195 //              String _drawmode = data.drawmode!=null ? data.drawmode.toString() : chartnode.get( ChartPreferences.P_DRAWMODE, ChartPreferences.DEFAULT_DRAWMODE ); \r
 196 //              cDrawMode.setText( _drawmode );\r
 197 //              gd2.applyTo(cDrawMode);\r
 198 //        }\r
 199 \r
 200         if (!data.binaryMode && includeChartSpecificProperties) {\r
 201                 // 5th line - Scale: [ Auto/Manual ] Min: [ ## ] Max: [ ## ]\r
 202                 lScale = new Label(c, 0);\r
 203                 lScale.setText("&Scale: ");\r
 204                 gd1.applyTo(lScale);\r
 205 \r
 206                 Composite scaleComposite = new Composite(c, 0);\r
 207                 gd2.applyTo(scaleComposite);\r
 208                 GridLayoutFactory.fillDefaults().numColumns(8).applyTo(scaleComposite);\r
 209 \r
 210                 cScale = new Combo(scaleComposite, SWT.DROP_DOWN | SWT.BORDER | SWT.READ_ONLY);\r
 211                 cScale.add(AUTO);\r
 212                 cScale.add(MANUAL);\r
 213                 String _scale = data.scale != null ? data.scale.toString() : chartnode.get( ChartPreferences.P_SCALEMODE, ChartPreferences.DEFAULT_SCALEMODE ); \r
 214                 cScale.setText( _scale );\r
 215                 GridDataFactory.fillDefaults().span(2, 1).applyTo(cScale);\r
 216                 \r
 217                 lMin = new Label(scaleComposite, 0);\r
 218                 lMin.setText("&Min: ");\r
 219                 GridDataFactory.fillDefaults().span(1, 1).align(SWT.FILL, SWT.CENTER).applyTo(lMin);\r
 220                 tMin = new Text(scaleComposite, SWT.BORDER);\r
 221                 Double _min = data.min;\r
 222                 if ( _min == null ) _min = chartnode.getDouble( ChartPreferences.P_SCALE_MIN, 0.0);\r
 223                 tMin.setText( Double.toString(_min) );\r
 224                 GridDataFactory.fillDefaults().hint(80, SWT.DEFAULT).indent(5, 0).grab(true, false).span(2, 1).applyTo(tMin);\r
 225                 tMin.addModifyListener(new ModifyListener() {\r
 226                     @Override\r
 227                     public void modifyText(ModifyEvent e) {\r
 228                         data.min = parseDouble(tMin, false, 0.0);\r
 229                     if (data.min != null)\r
 230                         cScale.setText(MANUAL);\r
 231                         validate();\r
 232                     }\r
 233                 });\r
 234 \r
 235                 lMax = new Label(scaleComposite, 0);\r
 236                 lMax.setText("Ma&x: ");\r
 237                 GridDataFactory.fillDefaults().span(1, 1).align(SWT.FILL, SWT.CENTER).applyTo(lMax);\r
 238                 tMax = new Text(scaleComposite, SWT.BORDER);\r
 239                 Double _max = data.max;\r
 240                 if ( _max==null ) _max = chartnode.getDouble( ChartPreferences.P_SCALE_MAX, 100.0);\r
 241                 tMax.setText( Double.toString(_max) );\r
 242                 GridDataFactory.fillDefaults().hint(80, SWT.DEFAULT).indent(5, 0).grab(true, false).span(2, 1).applyTo(tMax);\r
 243             tMax.addModifyListener(new ModifyListener() {\r
 244                 @Override\r
 245                 public void modifyText(ModifyEvent e) {\r
 246                     data.max = parseDouble(tMax, false, 100.0);\r
 247                     if (data.max != null)\r
 248                         cScale.setText(MANUAL);\r
 249                     validate();\r
 250                 }\r
 251             });\r
 252         }\r
 253 \r
 254         // 6th line - Subscription: [ Default / others ] [New] \r
 255         lSubscription = new Label(c, 0);\r
 256         lSubscription.setText("S&ubscription: ");\r
 257         gd1.applyTo(lSubscription);\r
 258         cSubscription = new Combo(c, SWT.BORDER);\r
 259         for (String s : data.subscriptions) cSubscription.add(s);\r
 260         gd2.applyTo(cSubscription);\r
 261         String _subscription = data.subscription;\r
 262         if ( _subscription == null ) _subscription = subscriptionnode.get( SubscriptionPreferences.P_SUBSCRIPTION_DEFAULT, data.subscriptions.length==0 ? "Default" : cSubscription.getItem(0) );\r
 263         cSubscription.setText( _subscription );\r
 264 \r
 265         if (!data.binaryMode) {\r
 266                 // 7th line - Deadband: [deadband] Interval: [interval]\r
 267                 lDeadband = new Label(c, 0);\r
 268                 lDeadband.setText("&Deadband: ");\r
 269                 gd1.applyTo(lDeadband);\r
 270                 tDeadband = new Text(c, SWT.BORDER);\r
 271                 Double _deadband = data.deadband;\r
 272                 if ( _deadband == null ) _deadband = subscriptionnode.getDouble( SubscriptionPreferences.P_SUBSCRIPTION_DEADBAND, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_DEADBAND );\r
 273                 tDeadband.setText( Double.toString(_deadband) );\r
 274                 tDeadband.setEditable(data.mutableCollectionSettings);\r
 275                 GridDataFactory.fillDefaults().hint(110, SWT.DEFAULT).indent(5, 0).span(3, 1).applyTo(tDeadband);\r
 276             tDeadband.addModifyListener(new ModifyListener() {\r
 277                 @Override\r
 278                 public void modifyText(ModifyEvent e) {\r
 279                     data.deadband = parseDouble(tDeadband, false, 0.0);\r
 280                     validate();\r
 281                 }\r
 282             });\r
 283 \r
 284                 lInterval = new Label(c, 0);\r
 285                 lInterval.setText("&Interval: ");\r
 286                 lInterval.setToolTipText("Sampling Interval");\r
 287                 GridDataFactory.fillDefaults().span(2, 1).applyTo(lInterval);\r
 288                 tInterval = new Text(c, SWT.BORDER);\r
 289                 Double _interval = data.interval;\r
 290                 if ( _interval == null ) _interval = subscriptionnode.getDouble( SubscriptionPreferences.P_SUBSCRIPTION_INTERVAL, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_INTERVAL );\r
 291                 tInterval.setText( Double.toString(_interval) );\r
 292                 tInterval.setEditable(data.mutableCollectionSettings);\r
 293                 GridDataFactory.fillDefaults().hint(110, SWT.DEFAULT).indent(5, 0).span(3, 1).applyTo(tInterval);\r
 294             tInterval.addModifyListener(new ModifyListener() {\r
 295                 @Override\r
 296                 public void modifyText(ModifyEvent e) {\r
 297                     data.interval = parseDouble(tInterval, false, 0.0);\r
 298                     validate();\r
 299                 }\r
 300             });\r
 301         }\r
 302 \r
 303         // 8th line - Gain: [gain] Bias: [bias]\r
 304         if (!data.binaryMode) {\r
 305                 lGain = new Label(c, 0);\r
 306                 lGain.setText("&Gain: ");\r
 307                 gd1.applyTo(lGain);\r
 308                 tGain = new Text(c, SWT.BORDER);\r
 309                 Double _gain = data.gain;\r
 310                 if (_gain == null) _gain = subscriptionnode.getDouble( SubscriptionPreferences.P_SUBSCRIPTION_GAIN, 1.0);\r
 311                 tGain.setText( Double.toString(_gain) );\r
 312                 GridDataFactory.fillDefaults().hint(110, SWT.DEFAULT).indent(5, 0).span(3, 1).applyTo(tGain);\r
 313             tGain.addModifyListener(new ModifyListener() {\r
 314                 @Override\r
 315                 public void modifyText(ModifyEvent e) {\r
 316                     data.gain = parseDouble(tGain, false, 1.0);\r
 317                     validate();\r
 318                 }\r
 319             });\r
 320 \r
 321                 lBias = new Label(c, 0);\r
 322                 lBias.setText("&Bias: ");\r
 323                 GridDataFactory.fillDefaults().span(2, 1).applyTo(lBias);\r
 324                 tBias = new Text(c, SWT.BORDER);\r
 325                 Double _bias = data.bias;\r
 326                 if (_bias == null) _bias = subscriptionnode.getDouble( SubscriptionPreferences.P_SUBSCRIPTION_BIAS, 0.0);\r
 327                 tBias.setText( Double.toString(_bias) );\r
 328                 GridDataFactory.fillDefaults().hint(110, SWT.DEFAULT).indent(5, 0).span(3, 1).applyTo(tBias);\r
 329             tBias.addModifyListener(new ModifyListener() {\r
 330                 @Override\r
 331                 public void modifyText(ModifyEvent e) {\r
 332                     data.bias = parseDouble(tBias, false, 0.0);\r
 333                     validate();\r
 334                 }\r
 335             });\r
 336         }\r
 337 \r
 338         // 9th line - Unit: [unit]\r
 339         if (!data.binaryMode) {\r
 340                 lUnit = new Label(c, 0);\r
 341                 lUnit.setText("U&nit: ");\r
 342                 gd1.applyTo(lUnit);\r
 343                 tUnit = new Text(c, SWT.BORDER);\r
 344                 String _unit = data.unit;\r
 345                 if (_unit==null) _unit = subscriptionnode.get( SubscriptionPreferences.P_SUBSCRIPTION_UNIT, "");\r
 346                 tUnit.setText( _unit );\r
 347                 GridDataFactory.fillDefaults().hint(100, SWT.DEFAULT).indent(5, 0).span(3, 1).applyTo(tUnit);\r
 348                 // Fill line\r
 349             GridDataFactory.fillDefaults().span(5, 1).applyTo(new Label(c, 0));\r
 350         }\r
 351 \r
 352         // Disable fields that edit subscription item\r
 353         if (!data.hasSubscriptionItem) {\r
 354                 tLabel.setEnabled( false );\r
 355                 cSubscription.setEnabled( false );\r
 356                 tDeadband.setEnabled( false );\r
 357                 tInterval.setEnabled( false );\r
 358                 tGain.setEnabled( false );\r
 359                 tBias.setEnabled( false );\r
 360                 tUnit.setEnabled( false );\r
 361         }\r
 362 \r
 363         // 10th line - Color stroke / color\r
 364         if (includeChartSpecificProperties) {\r
 365             createStrokeGroup(c);\r
 366         }\r
 367 \r
 368         saveAsPrefs = new Button(c, SWT.CHECK);\r
 369         saveAsPrefs.setText("Sav&e as new defaults");\r
 370         saveAsPrefs.setToolTipText("Sav&e these settings as new defaults");\r
 371         // Always unchecked by default.\r
 372         saveAsPrefs.setSelection(false);\r
 373         GridDataFactory.fillDefaults().hint(100, SWT.DEFAULT).span(9, 1).applyTo(saveAsPrefs);\r
 374 \r
 375         // Error decorations\r
 376         Image image = FieldDecorationRegistry.getDefault()\r
 377                 .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR)\r
 378                 .getImage();\r
 379 \r
 380         if (!data.binaryMode) {\r
 381             if (includeChartSpecificProperties) {\r
 382                 tMinDecor = createDecoration(tMin, SWT.LEFT | SWT.CENTER, image);\r
 383                 tMaxDecor = createDecoration(tMax, SWT.LEFT | SWT.CENTER, image);\r
 384             }\r
 385             tDeadbandDecor = createDecoration(tDeadband, SWT.LEFT | SWT.CENTER, image);\r
 386             tIntervalDecor = createDecoration(tInterval, SWT.LEFT | SWT.CENTER, image);\r
 387             tGainDecor = createDecoration(tGain, SWT.LEFT | SWT.CENTER, image);\r
 388             tBiasDecor = createDecoration(tBias, SWT.LEFT | SWT.CENTER, image);\r
 389         }\r
 390 \r
 391         // Ensure that the data structure contains all the values that were\r
 392         // initialized into the UI.\r
 393         parseUiToData();\r
 394 \r
 395         tLabel.setFocus();\r
 396     }\r
 397 \r
 398     private void createStrokeGroup(Composite c) {\r
 399         GridDataFactory gd1 = GridDataFactory.fillDefaults().indent(10, 0).align(SWT.FILL, SWT.CENTER).span(1, 1);\r
 400 \r
 401         Group gStroke = new Group(c, 0);\r
 402         gStroke.setText("Trend Line Stroke");\r
 403         GridLayoutFactory.fillDefaults().margins(8, 8).spacing(10, 10).numColumns(5).applyTo(gStroke);\r
 404         GridDataFactory.fillDefaults().span(9, 1).applyTo(gStroke);\r
 405 \r
 406         if (!data.binaryMode) {\r
 407             // Custom stroke\r
 408             Label lStrokeWidth = new Label(gStroke, 0);\r
 409             lStrokeWidth.setText("&Width:");\r
 410             gd1.applyTo(lStrokeWidth);\r
 411             sStrokeWidth = new Spinner(gStroke, SWT.BORDER);\r
 412             sStrokeWidth.setDigits(1);\r
 413             sStrokeWidth.setIncrement(5);\r
 414             sStrokeWidth.setMinimum(10);\r
 415             sStrokeWidth.setMaximum(50);\r
 416             GridDataFactory.fillDefaults().indent(10, 0).grab(false, false).span(1, 1).applyTo(sStrokeWidth);\r
 417 \r
 418             if (data.strokeWidth != null) {\r
 419                 sStrokeWidth.setSelection((int) (data.strokeWidth * 10));\r
 420             }\r
 421 \r
 422             sStrokeWidth.addSelectionListener(new SelectionAdapter() {\r
 423                 @Override\r
 424                 public void widgetSelected(SelectionEvent e) {\r
 425                     float newWidth = ((float) sStrokeWidth.getSelection()) * 0.1f;\r
 426                     data.strokeWidth = newWidth;\r
 427                 }\r
 428             });\r
 429         }\r
 430 \r
 431         Label lColor = new Label(gStroke, 0);\r
 432         lColor.setText("&Color: ");\r
 433         gd1.applyTo(lColor);\r
 434         colorSelector = new ColorSelector(gStroke);\r
 435         GridDataFactory.fillDefaults().indent(10, 0).span(1, 1).grab(false, false).applyTo(colorSelector.getButton());\r
 436         final RGB indexColor = toRGB(JarisPaints.getColor(data.index));\r
 437         RGB customColor = data.color != null ? toRGB(data.color) : indexColor;\r
 438         colorSelector.setColorValue(customColor);\r
 439 \r
 440         final Button bResetColor = new Button(gStroke, SWT.PUSH);\r
 441         bResetColor.setText("Reset Color");\r
 442         bResetColor.setToolTipText("Reset Color to Item Index Default");\r
 443         bResetColor.setEnabled(!indexColor.equals(customColor));\r
 444 \r
 445         colorSelector.addListener(new IPropertyChangeListener() {\r
 446             @Override\r
 447             public void propertyChange(PropertyChangeEvent event) {\r
 448                 RGB rgb = colorSelector.getColorValue();\r
 449                 data.color = new Color(rgb.red, rgb.green, rgb.blue).getColorComponents(new float[4]);\r
 450                 data.color[3] = 1;\r
 451                 bResetColor.setEnabled(!indexColor.equals(rgb));\r
 452             }\r
 453         });\r
 454 \r
 455         bResetColor.addSelectionListener(new SelectionAdapter() {\r
 456             @Override\r
 457             public void widgetSelected(SelectionEvent e) {\r
 458                 data.color = null;\r
 459                 colorSelector.setColorValue(toRGB(JarisPaints.getColor(data.index)));\r
 460                 bResetColor.setEnabled(false);\r
 461             }\r
 462         });\r
 463     }\r
 464 \r
 465     protected RGB toRGB(float[] color) {\r
 466         float r = color[0];\r
 467         float g = color[1];\r
 468         float b = color[2];\r
 469         return new RGB( (int) (r*255+0.5), (int) (g*255+0.5), (int) (b*255+0.5) );\r
 470     }\r
 471 \r
 472     protected RGB toRGB(Color color) {\r
 473         return new RGB(color.getRed(), color.getGreen(), color.getBlue());\r
 474     }\r
 475 \r
 476     protected ControlDecoration createDecoration(Control control, int position, Image image) {\r
 477         ControlDecoration d = new ControlDecoration(control, position);\r
 478         d.setMarginWidth(2);\r
 479         d.setImage(image);\r
 480         d.hide();\r
 481         return d;\r
 482     }\r
 483 \r
 484     protected Double parseDouble(Text text, boolean returnDefault, double defaultValue) {\r
 485         if (text == null)\r
 486             return null;\r
 487         try {\r
 488             String s = text.getText();\r
 489             s = s.replace(',', '.');\r
 490             return Double.valueOf(s);\r
 491         } catch ( NumberFormatException nfe ) {\r
 492             return returnDefault ? defaultValue : null;\r
 493         }\r
 494     }\r
 495 \r
 496     protected void parseUiToData() {\r
 497         data.label = tLabel.getText();\r
 498         if (!data.binaryMode) {\r
 499             if (includeChartSpecificProperties) {\r
 500                 data.min = parseDouble(tMin, true, 0.0);\r
 501                 data.max = parseDouble(tMax, true, 100.0);\r
 502             }\r
 503             data.interval = parseDouble(tInterval, true, 0.0);\r
 504             data.deadband = parseDouble(tDeadband, true, 0.0);\r
 505             data.gain = parseDouble(tGain, true, 1.0);\r
 506             data.bias = parseDouble(tBias, true, 0.0);\r
 507             data.unit = tUnit.getText();\r
 508 \r
 509             if (includeChartSpecificProperties) {\r
 510 //                data.drawmode = DrawMode.valueOf( cDrawMode.getText() );\r
 511                 data.drawmode = DrawMode.Line;\r
 512 \r
 513                 if (cScale.getText().equals("Manual")) {\r
 514                     data.scale = new Scale.Manual(data.min, data.max);\r
 515                 } else if (cScale.getText().equals("Auto")) {\r
 516                     data.scale = new Scale.Auto();\r
 517                 }\r
 518             }\r
 519         }\r
 520         data.subscription = cSubscription.getText();\r
 521     }\r
 522 \r
 523     @Override\r
 524     protected void buttonPressed(int buttonId) {\r
 525         if (ChartDialogConstants.APPLY_ID == buttonId) {\r
 526             applyPressed();\r
 527         } else {\r
 528             super.buttonPressed(buttonId);\r
 529         }\r
 530     }\r
 531 \r
 532     private void applyPressed() {\r
 533         if (applyAction != null) {\r
 534             parseUiToData();\r
 535             if (!baseData.equals(data)) {\r
 536                 baseData.readFrom(data);\r
 537                 applyAction.run();\r
 538             }\r
 539         }\r
 540     }\r
 541 \r
 542     @Override\r
 543     protected void okPressed() {\r
 544         boolean savePrefs = saveAsPrefs.getSelection();\r
 545         parseUiToData();\r
 546 \r
 547         if (!data.binaryMode && savePrefs) {\r
 548             if (includeChartSpecificProperties) {\r
 549                 chartnode.put( ChartPreferences.P_DRAWMODE, data.drawmode.name() );\r
 550                 chartnode.put( ChartPreferences.P_SCALEMODE, data.scale instanceof Scale.Manual ? "Manual" : "Auto" );\r
 551                 chartnode.putDouble( ChartPreferences.P_SCALE_MIN, data.min );\r
 552                 chartnode.putDouble( ChartPreferences.P_SCALE_MAX, data.max );\r
 553             }\r
 554             subscriptionnode.putDouble( SubscriptionPreferences.P_SUBSCRIPTION_DEADBAND, data.deadband );\r
 555             subscriptionnode.putDouble( SubscriptionPreferences.P_SUBSCRIPTION_INTERVAL, data.interval );\r
 556             subscriptionnode.putDouble( SubscriptionPreferences.P_SUBSCRIPTION_GAIN, data.gain );\r
 557             subscriptionnode.putDouble( SubscriptionPreferences.P_SUBSCRIPTION_BIAS, data.bias );\r
 558             subscriptionnode.put( SubscriptionPreferences.P_SUBSCRIPTION_UNIT, data.unit );\r
 559         }\r
 560 \r
 561         if (savePrefs)\r
 562             subscriptionnode.put( SubscriptionPreferences.P_SUBSCRIPTION_DEFAULT, data.subscription );\r
 563 \r
 564         if (applyAction != null && !baseData.equals(data))\r
 565             applyAction.run();\r
 566         super.okPressed();\r
 567     }\r
 568 \r
 569     @Override\r
 570     protected void configureShell(Shell newShell) {\r
 571         super.configureShell(newShell);\r
 572         newShell.setText(\r
 573                 includeChartSpecificProperties ? "Edit Chart Item"\r
 574                                                : "Edit Subscription Item"\r
 575                 );\r
 576     }\r
 577 \r
 578     public void validate() {\r
 579         boolean ok = true;\r
 580         if (!data.binaryMode) {\r
 581             if (includeChartSpecificProperties) {\r
 582                 setDecoration(tMinDecor, null);\r
 583                 setDecoration(tMaxDecor, null);\r
 584                 if (tMin != null && tMax != null) {\r
 585                     if (data.min == null || data.max == null) {\r
 586                         ok = false;\r
 587                         if (data.min == null)\r
 588                             setDecoration(tMinDecor, "Invalid non-numeric value");\r
 589                         if (data.max == null)\r
 590                             setDecoration(tMaxDecor, "Invalid non-numeric value");\r
 591                     } else {\r
 592                         if (data.min >= data.max) {\r
 593                             setDecoration(tMinDecor, "Minimum value must be smaller than maximum value");\r
 594                             setDecoration(tMaxDecor, "Maximum value must be larger than minimum value");\r
 595                             ok = false;\r
 596                         }\r
 597                     }\r
 598                 }\r
 599             }\r
 600 \r
 601             ok &= data.interval != null && data.deadband != null && data.bias != null && data.gain != null;\r
 602             setDecoration(tIntervalDecor, data.interval == null ? "Invalid non-numeric value" : null);\r
 603             if (data.interval != null && data.interval < 0)\r
 604                 setDecoration(tIntervalDecor, "Sampling interval cannot be negative");\r
 605             setDecoration(tDeadbandDecor, data.deadband == null ? "Invalid non-numeric value" : null);\r
 606             if (data.deadband != null && data.deadband < 0)\r
 607                 setDecoration(tDeadbandDecor, "Deadband cannot be negative");\r
 608             setDecoration(tGainDecor, data.gain == null ? "Invalid non-numeric value" : null);\r
 609             setDecoration(tBiasDecor, data.bias == null ? "Invalid non-numeric value" : null);\r
 610         }\r
 611         setFinishable(ok);\r
 612     }\r
 613 \r
 614     private void setDecoration(ControlDecoration decor, String desc) {\r
 615         if (decor == null)\r
 616             return;\r
 617         if (desc != null) {\r
 618             decor.setDescriptionText(desc);\r
 619             decor.show();\r
 620         } else {\r
 621             decor.hide();\r
 622         }\r
 623     }\r
 624 \r
 625     protected void setFinishable(boolean ok) {\r
 626         getButton(OK).setEnabled(ok);\r
 627     }\r
 628 \r
 629 }\r