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

   1 package org.simantics.charts.ui;\r
   2 \r
   3 import java.util.Collections;\r
   4 import java.util.Map;\r
   5 \r
   6 import org.simantics.browsing.ui.model.labels.LabelRule;\r
   7 import org.simantics.charts.ontology.ChartResource;\r
   8 import org.simantics.databoard.Bindings;\r
   9 import org.simantics.databoard.Databoard;\r
  10 import org.simantics.databoard.binding.Binding;\r
  11 import org.simantics.databoard.util.URIStringUtils;\r
  12 import org.simantics.db.ReadGraph;\r
  13 import org.simantics.db.Resource;\r
  14 import org.simantics.db.exception.DatabaseException;\r
  15 import org.simantics.db.layer0.request.PossibleActiveExperiment;\r
  16 import org.simantics.db.layer0.request.PossibleModel;\r
  17 import org.simantics.db.layer0.variable.RVI;\r
  18 import org.simantics.db.layer0.variable.Variable;\r
  19 import org.simantics.db.layer0.variable.Variables;\r
  20 import org.simantics.layer0.Layer0;\r
  21 import org.simantics.modeling.ModelingResources;\r
  22 import org.simantics.modeling.subscription.SubscriptionItemLabel;\r
  23 \r
  24 /**\r
  25  * Used for labeling both chart plots and subscription items.\r
  26  * \r
  27  * @author Tuukka Lehtonen\r
  28  */\r
  29 public class ChartItemLabelRule implements LabelRule {\r
  30 \r
  31     public static final ChartItemLabelRule INSTANCE = new ChartItemLabelRule();\r
  32 \r
  33     @Override\r
  34     public boolean isCompatible(Class<?> contentType) {\r
  35         return contentType.equals(Resource.class);\r
  36     }\r
  37 \r
  38     public String getLabel_(ReadGraph graph, Resource item) throws DatabaseException {\r
  39         Layer0 L0 = Layer0.getInstance(graph);\r
  40         ChartResource CHART = ChartResource.getInstance(graph);\r
  41         ModelingResources MOD = ModelingResources.getInstance(graph);\r
  42 \r
  43         StringBuilder sb = new StringBuilder();\r
  44 \r
  45         Integer index = graph.getPossibleRelatedValue(item, CHART.Chart_Item_Index, Bindings.INTEGER);\r
  46         sb.append( index==null ? "" : index+". " );\r
  47 \r
  48         String subscriptionItemLabel = null;\r
  49         String unitStr = null;\r
  50         SubscriptionState subscriptionState = SubscriptionState.IGNORE;\r
  51         Resource subscriptionItem = graph.getPossibleObject(item, CHART.Chart_Item_HasSubscriptionItem);\r
  52         if (subscriptionItem != null) {\r
  53             subscriptionItemLabel = graph.getPossibleRelatedValue(subscriptionItem, L0.HasLabel, Bindings.STRING);\r
  54 \r
  55             Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );\r
  56             RVI rvi = graph.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_VariableId, rviBinding);\r
  57 \r
  58             // Create label from rvi if subscription has no label\r
  59             if (subscriptionItemLabel == null || subscriptionItemLabel.isEmpty()) {\r
  60                 Variable configuration = Variables.getPossibleConfigurationContext(graph, subscriptionItem);\r
  61                 if (rvi != null && configuration != null) {\r
  62                     subscriptionItemLabel = rvi.asPossibleString(graph, configuration);\r
  63                     if (subscriptionItemLabel == null)\r
  64                         subscriptionItemLabel = rvi.toPossibleString(graph, configuration);\r
  65                     if (subscriptionItemLabel != null) {\r
  66                         subscriptionItemLabel = SubscriptionItemLabel.removeVariablePrefixPath(subscriptionItemLabel);\r
  67                         subscriptionItemLabel = URIStringUtils.unescape(subscriptionItemLabel);\r
  68                     }\r
  69                 }\r
  70             }\r
  71 \r
  72             subscriptionState = getSubscriptionState(graph, rvi, subscriptionItem);\r
  73             unitStr = graph.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Unit, Bindings.STRING);\r
  74         }\r
  75         if (subscriptionItemLabel!=null) {\r
  76             sb.append(subscriptionItemLabel);\r
  77         } else {\r
  78             sb.append("<not associated to a subscription item>");\r
  79         }\r
  80 \r
  81         if ( unitStr != null && !unitStr.isEmpty() ) {\r
  82             sb.append(" [");\r
  83             sb.append(unitStr);\r
  84             sb.append("]");\r
  85         }\r
  86 \r
  87         if (subscriptionState == SubscriptionState.INVALID)\r
  88             sb.append(" (invalid subscription)");\r
  89 \r
  90         return sb.toString();\r
  91     }\r
  92 \r
  93     private static SubscriptionState getSubscriptionState(ReadGraph graph, RVI rvi, Resource subscriptionItem) throws DatabaseException {\r
  94         Resource model = graph.sync( new PossibleModel(subscriptionItem) );\r
  95         if (model == null)\r
  96             return SubscriptionState.IGNORE;\r
  97         Resource run = graph.sync( new PossibleActiveExperiment(model) );\r
  98         if (run == null)\r
  99             return SubscriptionState.IGNORE;\r
 100         Variable base = Variables.getPossibleVariable(graph, run);\r
 101         if (base == null)\r
 102             return SubscriptionState.IGNORE;\r
 103         Variable var = rvi.resolvePossible(graph, base);\r
 104         return var != null ? SubscriptionState.VALID :  SubscriptionState.INVALID;\r
 105     }\r
 106 \r
 107     @Override\r
 108     public Map<String, String> getLabel(ReadGraph graph, Object content) throws DatabaseException {\r
 109         return Collections.singletonMap(ChartItemImageRule.COLUMN_KEY, getLabel_(graph, (Resource) content));\r
 110     }\r
 111 \r
 112     public static enum SubscriptionState {\r
 113         IGNORE,\r
 114         INVALID,\r
 115         VALID\r
 116     }\r
 117 \r
 118 }\r