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

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.charts.ui;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collections;
  16 import java.util.List;
  17
  18 import org.eclipse.jface.dialogs.Dialog;
  19 import org.eclipse.swt.widgets.Display;
  20 import org.eclipse.swt.widgets.Shell;
  21 import org.eclipse.ui.PlatformUI;
  22 import org.simantics.Simantics;
  23 import org.simantics.charts.query.AddChartItem;
  24 import org.simantics.charts.query.ChartAndSubscriptionItemData;
  25 import org.simantics.charts.query.ChartItemDescriptor;
  26 import org.simantics.charts.query.NextChartItemIndexQuery;
  27 import org.simantics.databoard.Bindings;
  28 import org.simantics.databoard.type.BooleanType;
  29 import org.simantics.db.ReadGraph;
  30 import org.simantics.db.Resource;
  31 import org.simantics.db.common.request.ReadRequest;
  32 import org.simantics.db.exception.DatabaseException;
  33 import org.simantics.db.layer0.request.PossibleModel;
  34 import org.simantics.db.layer0.variable.Variable;
  35 import org.simantics.db.layer0.variable.VariableReference;
  36 import org.simantics.db.layer0.variable.Variables;
  37 import org.simantics.layer0.Layer0;
  38 import org.simantics.modeling.subscription.NewSubscription;
  39 import org.simantics.modeling.subscription.NewSubscriptionItem;
  40 import org.simantics.modeling.subscription.SubscriptionsQuery;
  41 import org.simantics.modeling.subscription.SubscriptionsQuery.SubscriptionsResult;
  42 import org.simantics.trend.configuration.TrendItem.Renderer;
  43 import org.simantics.utils.ui.dialogs.ShowError;
  44
  45 public class AddVariableToChartAction implements Runnable {
  46
  47         Resource chart;
  48         Resource subscription;
  49         Resource model;
  50
  51         String chartName;
  52         String subscriptionName;
  53         SubscriptionsResult subscriptions;
  54         List<VariableReference> refs;
  55         List<String> variableReferences; // String references
  56
  57         public AddVariableToChartAction( Resource chart, Resource subscription, List<VariableReference> refs ) {
  58                 this.refs = refs;
  59                 this.chart = chart;
  60                 this.subscription = subscription;
  61         }
  62
  63         /**
  64          * Reads necessary data from session.
  65          *
  66          * @throws DatabaseException
  67          */
  68         public AddVariableToChartAction init() throws DatabaseException
  69         {
  70         Simantics.getSession().sync( new ReadRequest() {
  71                         @Override
  72                         public void run(ReadGraph g) throws DatabaseException {
  73                                 init(g);
  74                         }
  75                 } );
  76         return this;
  77         }
  78
  79         /**
  80          * Reads necessary data from session.
  81          *
  82          * @throws DatabaseException
  83          */
  84         public AddVariableToChartAction init( ReadGraph g ) throws DatabaseException
  85         {
  86         Layer0 L0 = Layer0.getInstance(g);
  87         if(chart != null) {
  88             chartName = g.getPossibleRelatedValue(chart, L0.HasName, Bindings.STRING);
  89             model = g.syncRequest(new PossibleModel(chart));
  90         }
  91         else
  92             model = g.syncRequest(new PossibleModel(subscription));
  93         if (model == null) throw new DatabaseException("Model was not found");
  94
  95                 Variable configuration = Variables.getConfigurationContext(g, model);
  96
  97                 subscriptions = g.sync( new SubscriptionsQuery(model) );
  98                 if(subscription != null)
  99                     subscriptionName = g.getPossibleRelatedValue(subscription, L0.HasLabel, Bindings.STRING);
 100                 variableReferences = new ArrayList<String>();
 101
 102                 for (VariableReference var : refs) {
 103                         if ( var.label == null ) {
 104                                 variableReferences.add( var.getVariableId().toPossibleString(g, configuration) );
 105                         }
 106                 }
 107
 108                 return this;
 109         }
 110
 111         /**
 112          * Opens dialog, if clicked OK, writes to graph async.
 113          *
 114          * Remember to run this in SWT Thread.
 115          */
 116         public void runInSwt() {
 117
 118             final Display display = Display.getCurrent();
 119         final Shell shell = display.getActiveShell();
 120
 121         Simantics.getSession().markUndoPoint();
 122
 123                 for (int i=0; i<refs.size(); i++) {
 124                         VariableReference var = refs.get(i);
 125                         String varStrRef = variableReferences.get(i);
 126
 127                 try {
 128                 ChartAndSubscriptionItemData data = new ChartAndSubscriptionItemData();
 129                 data.index = chart != null ? Simantics.sync(new NextChartItemIndexQuery(chart)) : -1;
 130                 data.mutableCollectionSettings = true;
 131                 data.chartName = chartName;
 132                 data.hasSubscriptionItem = true;
 133                 data.subscriptions = subscriptions.toNames();
 134                 data.subscription = subscriptionName;
 135                 data.binaryMode = var.getDatatype() instanceof BooleanType;
 136                 data.variableReference = varStrRef;
 137                                 ChartAndSubscriptionItemDialog d = new ChartAndSubscriptionItemDialog(shell, data, chart != null);
 138
 139                         if ( d.open() == Dialog.OK ) {
 140
 141                                 // (New) Subscription
 142                                 int j = subscriptions.names.indexOf( data.subscription );
 143                                 Resource subscription;
 144                                 if (j<0) {
 145                                         // Create new subscription
 146                                         NewSubscription ns = new NewSubscription(model, data.subscription);
 147                                                 Simantics.getSession().sync( ns );
 148                                         subscription = ns.subscription;
 149                                 } else {
 150                                         subscription = subscriptions.resources.get(j);
 151                                 }
 152                                 if ( subscription == null ) continue;
 153
 154
 155                                 // New Subscription Item
 156                                 NewSubscriptionItem ns = new NewSubscriptionItem(
 157                                                 subscription,
 158                                                 data.interval,
 159                                                 data.deadband,
 160                                                 data.gain,
 161                                                 data.bias,
 162                                                 data.unit,
 163                                                 data.label,
 164                                                 var.getVariableId(),
 165                                                 var.getDatatype()
 166                                                 );
 167
 168                                 Simantics.getSession().sync( ns );
 169                                 if (ns.subscriptionItem == null) continue;
 170
 171                                 // New Chart Item
 172                                 if(chart != null) {
 173                                 ChartItemDescriptor cid = new ChartItemDescriptor();
 174                                 cid.drawMode = data.drawmode;
 175                                 cid.renderer = var.getDatatype() instanceof BooleanType ? Renderer.Binary : Renderer.Analog;
 176                                 cid.scale = data.scale;
 177                                 cid.min = data.min;
 178                                 cid.max = data.max;
 179                                 cid.subscriptionItem = ns.subscriptionItem;
 180                                 cid.color = data.color;
 181                                 cid.strokeWidth = data.strokeWidth;
 182                                 AddChartItem ci = new AddChartItem(     chart, Collections.singletonList( cid ) );
 183                                 Simantics.getSession().sync( ci );
 184                                 }
 185                         }
 186                         } catch (DatabaseException e) {
 187                                 ShowError.showError(e.getClass().getName(), e.getLocalizedMessage(), e);
 188                         }
 189
 190                 }
 191
 192         }
 193
 194         /**
 195          * Executes run in SWT Thread
 196          */
 197         public void run() {
 198             Display display = PlatformUI.getWorkbench().getDisplay();
 199                 if ( display.getThread() == Thread.currentThread() ) {
 200                         runInSwt();
 201                 } else {
 202                         display.asyncExec( new Runnable() {
 203                                 @Override
 204                                 public void run() {
 205                                         runInSwt();
 206                                 }} );
 207                 }
 208         }
 209
 210 }
 211