Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.charts / src / org / simantics / charts / query / ChartAndSubscriptionItemReadQuery.java

diff --git a/bundles/org.simantics.charts/src/org/simantics/charts/query/ChartAndSubscriptionItemReadQuery.java b/bundles/org.simantics.charts/src/org/simantics/charts/query/ChartAndSubscriptionItemReadQuery.java
new file mode 100644 (file)
index 0000000..bd51e93
--- /dev/null
+++ b/bundles/org.simantics.charts/src/org/simantics/charts/query/ChartAndSubscriptionItemReadQuery.java
@@ -0,0 +1,100 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.charts.query;\r
+\r
+import java.util.Arrays;\r
+\r
+import org.simantics.charts.ontology.ChartResource;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.Databoard;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.request.PossibleModel;\r
+import org.simantics.db.layer0.variable.RVI;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.modeling.subscription.SubscriptionsQuery;\r
+import org.simantics.modeling.subscription.SubscriptionsQuery.SubscriptionsResult;\r
+import org.simantics.trend.configuration.TrendItem;\r
+import org.simantics.trend.configuration.TrendItem.Renderer;\r
+\r
+/**\r
+ * This query reads chart and item data. \r
+ *  \r
+ * @author toni.kalajainen\r
+ */\r
+public class ChartAndSubscriptionItemReadQuery extends ResourceRead<ChartAndSubscriptionItemData> {\r
+\r
+       public ChartAndSubscriptionItemReadQuery(Resource chartItem) {\r
+               super(chartItem);\r
+       }\r
+\r
+       @Override\r
+       public ChartAndSubscriptionItemData perform(ReadGraph g) throws DatabaseException {\r
+               ChartAndSubscriptionItemData data = new ChartAndSubscriptionItemData();\r
+\r
+       Layer0 L0 = Layer0.getInstance(g);\r
+       ModelingResources MOD = ModelingResources.getInstance(g);\r
+       ChartResource CHART = ChartResource.getInstance(g);\r
+       Resource chartItem = resource;\r
+        Resource chart = g.getPossibleObject(chartItem, L0.PartOf);\r
+        Resource model = g.syncRequest(new PossibleModel( chart ));\r
+        Resource subscriptionItem = g.getPossibleObject(chartItem, CHART.Chart_Item_HasSubscriptionItem);\r
+        Resource subscription = subscriptionItem==null ? null : g.getPossibleObject(subscriptionItem, L0.PartOf);\r
+               SubscriptionsResult subscriptions = g.sync( new SubscriptionsQuery(model) );\r
+\r
+               TrendItem trendItem = g.sync( new TrendItemQuery(chartItem) );\r
+\r
+               if ( subscriptionItem != null ) {\r
+                       Variable configuration = Variables.getConfigurationContext(g, subscription);\r
+                       Binding rviBinding = g.getService(Databoard.class).getBindingUnchecked( RVI.class );\r
+                       RVI rvi = g.getRelatedValue(subscriptionItem, MOD.Subscription_Item_VariableId, rviBinding);\r
+                       data.variableReference = rvi.toPossibleString(g, configuration);\r
+               }\r
+\r
+               data.index = trendItem.index;\r
+       data.chartName = g.getPossibleRelatedValue(chart, L0.HasName, Bindings.STRING);\r
+               data.subscriptions = subscriptions.toNames();           \r
+       data.subscriptions = subscriptions.names.toArray( new String[subscriptions.names.size()]);\r
+       data.drawmode = trendItem.drawMode;\r
+       data.binaryMode = trendItem.renderer == Renderer.Binary;\r
+       data.subscription = subscriptions.getName(subscription);\r
+       data.scale = trendItem.scale;\r
+       if ( data.subscription==null ) data.subscription="";\r
+\r
+       data.min = g.getPossibleRelatedValue(chartItem, CHART.Chart_Item_ScaleMode_Min, Bindings.DOUBLE);  \r
+       data.max = g.getPossibleRelatedValue(chartItem, CHART.Chart_Item_ScaleMode_Max, Bindings.DOUBLE);\r
+\r
+       data.strokeWidth = trendItem.customStrokeWidth;\r
+       data.color = trendItem.customColor != null ? Arrays.copyOf(trendItem.customColor, trendItem.customColor.length) : null;\r
+\r
+       data.hasSubscriptionItem = subscriptionItem != null; \r
+       if ( data.hasSubscriptionItem ) {\r
+               data.label = g.getPossibleRelatedValue(subscriptionItem, L0.HasLabel, Bindings.STRING);  \r
+               data.bias = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Bias, Bindings.DOUBLE);\r
+               data.gain = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Gain, Bindings.DOUBLE);\r
+               data.deadband = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Deadband, Bindings.DOUBLE);\r
+               data.interval = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_SamplingInterval, Bindings.DOUBLE);\r
+               data.unit = g.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Unit, Bindings.STRING);\r
+       } else {\r
+               data.variableReference = trendItem.label;\r
+       }\r
+\r
+               return data;\r
+       }\r
+\r
+}\r