bundles/org.simantics.charts/src/org/simantics/charts/query/ChartAndSubscriptionItemReadQuery.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.query;\r
  13 \r
  14 import java.util.Arrays;\r
  15 \r
  16 import org.simantics.charts.ontology.ChartResource;\r
  17 import org.simantics.databoard.Bindings;\r
  18 import org.simantics.databoard.Databoard;\r
  19 import org.simantics.databoard.binding.Binding;\r
  20 import org.simantics.db.ReadGraph;\r
  21 import org.simantics.db.Resource;\r
  22 import org.simantics.db.common.request.ResourceRead;\r
  23 import org.simantics.db.exception.DatabaseException;\r
  24 import org.simantics.db.layer0.request.PossibleModel;\r
  25 import org.simantics.db.layer0.variable.RVI;\r
  26 import org.simantics.db.layer0.variable.Variable;\r
  27 import org.simantics.db.layer0.variable.Variables;\r
  28 import org.simantics.layer0.Layer0;\r
  29 import org.simantics.modeling.ModelingResources;\r
  30 import org.simantics.modeling.subscription.SubscriptionsQuery;\r
  31 import org.simantics.modeling.subscription.SubscriptionsQuery.SubscriptionsResult;\r
  32 import org.simantics.trend.configuration.TrendItem;\r
  33 import org.simantics.trend.configuration.TrendItem.Renderer;\r
  34 \r
  35 /**\r
  36  * This query reads chart and item data. \r
  37  *  \r
  38  * @author toni.kalajainen\r
  39  */\r
  40 public class ChartAndSubscriptionItemReadQuery extends ResourceRead<ChartAndSubscriptionItemData> {\r
  41 \r
  42         public ChartAndSubscriptionItemReadQuery(Resource chartItem) {\r
  43                 super(chartItem);\r
  44         }\r
  45 \r
  46         @Override\r
  47         public ChartAndSubscriptionItemData perform(ReadGraph g) throws DatabaseException {\r
  48                 ChartAndSubscriptionItemData data = new ChartAndSubscriptionItemData();\r
  49 \r
  50         Layer0 L0 = Layer0.getInstance(g);\r
  51         ModelingResources MOD = ModelingResources.getInstance(g);\r
  52         ChartResource CHART = ChartResource.getInstance(g);\r
  53         Resource chartItem = resource;\r
  54         Resource chart = g.getPossibleObject(chartItem, L0.PartOf);\r
  55         Resource model = g.syncRequest(new PossibleModel( chart ));\r
  56         Resource subscriptionItem = g.getPossibleObject(chartItem, CHART.Chart_Item_HasSubscriptionItem);\r
  57         Resource subscription = subscriptionItem==null ? null : g.getPossibleObject(subscriptionItem, L0.PartOf);\r
  58                 SubscriptionsResult subscriptions = g.sync( new SubscriptionsQuery(model) );\r
  59 \r
  60                 TrendItem trendItem = g.sync( new TrendItemQuery(chartItem) );\r
  61 \r
  62                 if ( subscriptionItem != null ) {\r
  63                         Variable configuration = Variables.getConfigurationContext(g, subscription);\r
  64                         Binding rviBinding = g.getService(Databoard.class).getBindingUnchecked( RVI.class );\r
  65                         RVI rvi = g.getRelatedValue(subscriptionItem, MOD.Subscription_Item_VariableId, rviBinding);\r
  66                         data.variableReference = rvi.toPossibleString(g, configuration);\r
  67                 }\r
  68 \r
  69                 data.index = trendItem.index;\r
  70         data.chartName = g.getPossibleRelatedValue(chart, L0.HasName, Bindings.STRING);\r
  71                 data.subscriptions = subscriptions.toNames();           \r
  72         data.subscriptions = subscriptions.names.toArray( new String[subscriptions.names.size()]);\r
  73         data.drawmode = trendItem.drawMode;\r
  74         data.binaryMode = trendItem.renderer == Renderer.Binary;\r
  75         data.subscription = subscriptions.getName(subscription);\r
  76         data.scale = trendItem.scale;\r
  77         if ( data.subscription==null ) data.subscription="";\r
  78 \r
  79         data.min = g.getPossibleRelatedValue(chartItem, CHART.Chart_Item_ScaleMode_Min, Bindings.DOUBLE);  \r
  80         data.max = g.getPossibleRelatedValue(chartItem, CHART.Chart_Item_ScaleMode_Max, Bindings.DOUBLE);\r
  81 \r
  82         data.strokeWidth = trendItem.customStrokeWidth;\r
  83         data.color = trendItem.customColor != null ? Arrays.copyOf(trendItem.customColor, trendItem.customColor.length) : null;\r
  84 \r
  85         data.hasSubscriptionItem = subscriptionItem != null; \r
  86         if ( data.hasSubscriptionItem ) {\r
  87                 data.label = g.getPossibleRelatedValue(subscriptionItem, L0.HasLabel, Bindings.STRING);  \r
  88                 data.bias = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Bias, Bindings.DOUBLE);\r
  89                 data.gain = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Gain, Bindings.DOUBLE);\r
  90                 data.deadband = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Deadband, Bindings.DOUBLE);\r
  91                 data.interval = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_SamplingInterval, Bindings.DOUBLE);\r
  92                 data.unit = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Unit, Bindings.STRING);\r
  93         } else {\r
  94                 data.variableReference = trendItem.label;\r
  95         }\r
  96 \r
  97                 return data;\r
  98         }\r
  99 \r
 100 }\r