bundles/org.simantics.charts/src/org/simantics/charts/ui/AddVariableToChartAction.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.util.ArrayList;\r
  15 import java.util.Collections;\r
  16 import java.util.List;\r
  17 \r
  18 import org.eclipse.jface.dialogs.Dialog;\r
  19 import org.eclipse.swt.widgets.Display;\r
  20 import org.eclipse.swt.widgets.Shell;\r
  21 import org.eclipse.ui.PlatformUI;\r
  22 import org.simantics.Simantics;\r
  23 import org.simantics.charts.query.AddChartItem;\r
  24 import org.simantics.charts.query.ChartAndSubscriptionItemData;\r
  25 import org.simantics.charts.query.ChartItemDescriptor;\r
  26 import org.simantics.charts.query.NextChartItemIndexQuery;\r
  27 import org.simantics.databoard.Bindings;\r
  28 import org.simantics.databoard.type.BooleanType;\r
  29 import org.simantics.db.ReadGraph;\r
  30 import org.simantics.db.Resource;\r
  31 import org.simantics.db.common.request.ReadRequest;\r
  32 import org.simantics.db.exception.DatabaseException;\r
  33 import org.simantics.db.layer0.request.PossibleModel;\r
  34 import org.simantics.db.layer0.variable.Variable;\r
  35 import org.simantics.db.layer0.variable.VariableReference;\r
  36 import org.simantics.db.layer0.variable.Variables;\r
  37 import org.simantics.layer0.Layer0;\r
  38 import org.simantics.modeling.subscription.NewSubscription;\r
  39 import org.simantics.modeling.subscription.NewSubscriptionItem;\r
  40 import org.simantics.modeling.subscription.SubscriptionsQuery;\r
  41 import org.simantics.modeling.subscription.SubscriptionsQuery.SubscriptionsResult;\r
  42 import org.simantics.trend.configuration.TrendItem.Renderer;\r
  43 import org.simantics.utils.ui.dialogs.ShowError;\r
  44 \r
  45 public class AddVariableToChartAction implements Runnable {\r
  46 \r
  47         Resource chart;\r
  48         Resource subscription;\r
  49         Resource model;\r
  50         \r
  51         String chartName;\r
  52         String subscriptionName;\r
  53         SubscriptionsResult subscriptions;\r
  54         List<VariableReference> refs;\r
  55         List<String> variableReferences; // String references\r
  56         \r
  57         public AddVariableToChartAction( Resource chart, Resource subscription, List<VariableReference> refs ) {\r
  58                 this.refs = refs;\r
  59                 this.chart = chart;\r
  60                 this.subscription = subscription;\r
  61         }\r
  62         \r
  63         /**\r
  64          * Reads necessary data from session.\r
  65          * \r
  66          * @throws DatabaseException\r
  67          */\r
  68         public void init() throws DatabaseException \r
  69         {\r
  70         Simantics.getSession().sync( new ReadRequest() {\r
  71                         @Override\r
  72                         public void run(ReadGraph g) throws DatabaseException {\r
  73                                 init(g);\r
  74                         }\r
  75                 } );\r
  76         }\r
  77 \r
  78         /**\r
  79          * Reads necessary data from session.\r
  80          * \r
  81          * @throws DatabaseException\r
  82          */\r
  83         public void init( ReadGraph g ) throws DatabaseException \r
  84         {\r
  85         Layer0 L0 = Layer0.getInstance(g);\r
  86         if(chart != null) {\r
  87             chartName = g.getPossibleRelatedValue(chart, L0.HasName, Bindings.STRING);\r
  88             model = g.syncRequest(new PossibleModel(chart));\r
  89         }\r
  90         else\r
  91             model = g.syncRequest(new PossibleModel(subscription));\r
  92         if (model == null) throw new DatabaseException("Model was not found");\r
  93 \r
  94                 Variable configuration = Variables.getConfigurationContext(g, model);\r
  95         \r
  96                 subscriptions = g.sync( new SubscriptionsQuery(model) );\r
  97                 if(subscription != null)\r
  98                     subscriptionName = g.getPossibleRelatedValue(subscription, L0.HasLabel, Bindings.STRING);\r
  99                 variableReferences = new ArrayList<String>();\r
 100                 \r
 101                 for (VariableReference var : refs) {\r
 102                         if ( var.label == null ) {\r
 103                                 variableReferences.add( var.getVariableId().toPossibleString(g, configuration) );\r
 104                         }\r
 105                 }\r
 106         }\r
 107         \r
 108         /**\r
 109          * Opens dialog, if clicked OK, writes to graph async.\r
 110          * \r
 111          * Remember to run this in SWT Thread.\r
 112          */\r
 113         public void runInSwt() {\r
 114                                 \r
 115             final Display display = Display.getCurrent();\r
 116         final Shell shell = display.getActiveShell();\r
 117 \r
 118         Simantics.getSession().markUndoPoint();\r
 119 \r
 120                 for (int i=0; i<refs.size(); i++) {\r
 121                         VariableReference var = refs.get(i);\r
 122                         String varStrRef = variableReferences.get(i);\r
 123 \r
 124                 try {\r
 125                 ChartAndSubscriptionItemData data = new ChartAndSubscriptionItemData();\r
 126                 data.index = chart != null ? Simantics.sync(new NextChartItemIndexQuery(chart)) : -1;\r
 127                 data.mutableCollectionSettings = true;\r
 128                 data.chartName = chartName;\r
 129                 data.hasSubscriptionItem = true;\r
 130                 data.subscriptions = subscriptions.toNames();\r
 131                 data.subscription = subscriptionName;\r
 132                 data.binaryMode = var.getDatatype() instanceof BooleanType;\r
 133                 data.variableReference = varStrRef;             \r
 134                                 ChartAndSubscriptionItemDialog d = new ChartAndSubscriptionItemDialog(shell, data, chart != null); \r
 135                                 \r
 136                         if ( d.open() == Dialog.OK ) {\r
 137                                 \r
 138                                 // (New) Subscription\r
 139                                 int j = subscriptions.names.indexOf( data.subscription );\r
 140                                 Resource subscription;\r
 141                                 if (j<0) {\r
 142                                         // Create new subscription\r
 143                                         NewSubscription ns = new NewSubscription(model, data.subscription);\r
 144                                                 Simantics.getSession().sync( ns );\r
 145                                         subscription = ns.subscription;\r
 146                                 } else {\r
 147                                         subscription = subscriptions.resources.get(j);\r
 148                                 }                       \r
 149                                 if ( subscription == null ) continue;\r
 150                                 \r
 151                                 \r
 152                                 // New Subscription Item\r
 153                                 NewSubscriptionItem ns = new NewSubscriptionItem(\r
 154                                                 subscription,\r
 155                                                 data.interval,\r
 156                                                 data.deadband,\r
 157                                                 data.gain,\r
 158                                                 data.bias,\r
 159                                                 data.unit,\r
 160                                                 data.label,\r
 161                                                 var.getVariableId(),\r
 162                                                 var.getDatatype()\r
 163                                                 );\r
 164                                 \r
 165                                 Simantics.getSession().sync( ns );\r
 166                                 if (ns.subscriptionItem == null) continue;\r
 167                                                         \r
 168                                 // New Chart Item\r
 169                                 if(chart != null) {\r
 170                                 ChartItemDescriptor cid = new ChartItemDescriptor();\r
 171                                 cid.drawMode = data.drawmode;\r
 172                                 cid.renderer = var.getDatatype() instanceof BooleanType ? Renderer.Binary : Renderer.Analog;\r
 173                                 cid.scale = data.scale;\r
 174                                 cid.min = data.min;\r
 175                                 cid.max = data.max;\r
 176                                 cid.subscriptionItem = ns.subscriptionItem;\r
 177                                 cid.color = data.color;\r
 178                                 AddChartItem ci = new AddChartItem(     chart, Collections.singletonList( cid ) );\r
 179                                 Simantics.getSession().sync( ci );\r
 180                                 }\r
 181                         }\r
 182                         } catch (DatabaseException e) {\r
 183                                 ShowError.showError(e.getClass().getName(), e.getLocalizedMessage(), e);\r
 184                         }\r
 185                         \r
 186                 }\r
 187                                 \r
 188         }\r
 189         \r
 190         /**\r
 191          * Executes run in SWT Thread\r
 192          */\r
 193         public void run() {\r
 194             Display display = PlatformUI.getWorkbench().getDisplay();\r
 195                 if ( display.getThread() == Thread.currentThread() ) {\r
 196                         runInSwt();\r
 197                 } else {\r
 198                         display.asyncExec( new Runnable() {\r
 199                                 @Override\r
 200                                 public void run() {\r
 201                                         runInSwt();\r
 202                                 }} );\r
 203                 }\r
 204         }\r
 205         \r
 206 }\r
 207 \r