-/*******************************************************************************\r
- * Copyright (c) 2007, 2016 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
- * Semantum Oy - JSON plain text input support\r
- *******************************************************************************/\r
-package org.simantics.charts.editor;\r
-\r
-import java.awt.datatransfer.DataFlavor;\r
-import java.awt.datatransfer.Transferable;\r
-import java.awt.datatransfer.UnsupportedFlavorException;\r
-import java.awt.dnd.DnDConstants;\r
-import java.awt.dnd.DropTargetDragEvent;\r
-import java.awt.dnd.DropTargetDropEvent;\r
-import java.awt.dnd.DropTargetEvent;\r
-import java.io.IOException;\r
-import java.io.InputStream;\r
-import java.nio.charset.Charset;\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.List;\r
-import java.util.Optional;\r
-import java.util.stream.Collectors;\r
-\r
-import org.eclipse.jface.viewers.ISelection;\r
-import org.simantics.Simantics;\r
-import org.simantics.charts.internal.JsonUtils;\r
-import org.simantics.charts.query.AddChartItem;\r
-import org.simantics.charts.query.ChartItemDescriptor;\r
-import org.simantics.charts.ui.AddVariableToChartAction;\r
-import org.simantics.charts.ui.ChartDropActionFactory;\r
-import org.simantics.charts.ui.ChartVariable;\r
-import org.simantics.databoard.util.ObjectUtils;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.common.request.UnaryRead;\r
-import org.simantics.db.common.request.UniqueRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.SelectionHints;\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.VariableReference;\r
-import org.simantics.db.layer0.variable.Variables;\r
-import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\r
-import org.simantics.g2d.dnd.DragItem;\r
-import org.simantics.g2d.dnd.IDnDContext;\r
-import org.simantics.g2d.dnd.IDragItem;\r
-import org.simantics.g2d.dnd.IDropTargetParticipant;\r
-import org.simantics.modeling.ModelingResources;\r
-import org.simantics.modeling.PropertyVariables;\r
-import org.simantics.modeling.PropertyVariablesImpl;\r
-import org.simantics.modeling.utils.VariableReferences;\r
-import org.simantics.ui.dnd.LocalObjectTransfer;\r
-import org.simantics.ui.dnd.LocalObjectTransferable;\r
-import org.simantics.ui.selection.WorkbenchSelectionElement;\r
-import org.simantics.utils.FileUtils;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-import org.simantics.utils.ui.ISelectionUtils;\r
-import org.simantics.utils.ui.dialogs.ShowMessage;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class SubscriptionDropParticipant extends AbstractDiagramParticipant implements IDropTargetParticipant { \r
-\r
- private static class SubscriptionItemDragItem extends DragItem<ChartItemDescriptor> {\r
- public SubscriptionItemDragItem(ChartItemDescriptor obj) {\r
- super(obj);\r
- }\r
- }\r
-\r
- private static class VariableReferenceDragItem extends DragItem<VariableReference> {\r
- public VariableReferenceDragItem(VariableReference obj) {\r
- super(obj);\r
- }\r
- }\r
- \r
- Resource container;\r
- Resource model;\r
-\r
- public SubscriptionDropParticipant(Resource container) {\r
- this.container = container;\r
- try {\r
- model = Simantics.getSession().sync( new PossibleModel( container ) );\r
- } catch (DatabaseException e) {\r
- }\r
- }\r
-\r
- @Override\r
- public void dragEnter(DropTargetDragEvent dtde, IDnDContext dp) {\r
- // The source cannot link, too bad\r
- if ((dtde.getSourceActions() & DnDConstants.ACTION_LINK) == 0) {\r
- dtde.rejectDrag();\r
- return;\r
- }\r
-\r
- // Ensure the content is usable\r
- if (dtde.isDataFlavorSupported(LocalObjectTransferable.FLAVOR)) {\r
- dragEnterLocalObject(dtde, dp);\r
- } else if (dtde.isDataFlavorSupported(DataFlavor.getTextPlainUnicodeFlavor())) {\r
- dragEnterPlainText(dtde, dp);\r
- } else {\r
- dtde.rejectDrag();\r
- }\r
- }\r
-\r
- private void dragEnterLocalObject(DropTargetDragEvent dtde, IDnDContext dp) {\r
- try {\r
- Object data = dtde.getTransferable().getTransferData(LocalObjectTransferable.FLAVOR);\r
- data = LocalObjectTransfer.getTransfer().getObject();\r
-\r
- List<IDragItem> items = new ArrayList<>();\r
- Session session = Simantics.getSession();\r
-\r
- final List<Resource> resources = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, Resource.class);\r
- if (!resources.isEmpty()) {\r
- // Support SubscriptionItem drags\r
- items.addAll( session.syncRequest(new UniqueRead<List<IDragItem>>() {\r
- @Override\r
- public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {\r
- List<IDragItem> result = new ArrayList<>();\r
- ModelingResources MOD = ModelingResources.getInstance(graph);\r
- Resource targetModel = graph.syncRequest(new PossibleModel(container));\r
- if (targetModel != null) {\r
- for (Resource r : resources) {\r
- if (graph.isInstanceOf(r, MOD.Subscription_Item)) {\r
- Resource model = graph.syncRequest(new PossibleModel(r));\r
- if (ObjectUtils.objectEquals(targetModel, model))\r
- result.add( new SubscriptionItemDragItem( AddChartItem.createDescriptor(graph, r) ) );\r
- }\r
- }\r
- }\r
- return result;\r
- }\r
- }) );\r
- }\r
-\r
- if(data instanceof RVI) {\r
-\r
- VariableReferenceDragItem vrdi = new VariableReferenceDragItem(session.sync(new UnaryRead<RVI, VariableReference>((RVI)data) {\r
- @Override\r
- public VariableReference perform(ReadGraph graph) throws DatabaseException {\r
- return new VariableReference(parameter, Variables.getDatatype(graph, model, parameter), null);\r
- }\r
- }));\r
- items.add( vrdi );\r
-\r
- } else {\r
- // Variable/PropertyVariable are mutually exclusive\r
- List<IDragItem> varItems = null;\r
-\r
- // 1st try Variable\r
- final List<Variable> vars2 = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, Variable.class);\r
- if (!vars2.isEmpty()) {\r
- varItems = session.syncRequest( new UniqueRead<List<IDragItem>>() {\r
- @Override\r
- public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {\r
- return toDragItems( graph.syncRequest(VariableReferences.variablesToReferences(model, vars2)) );\r
- }\r
- } );\r
- }\r
- if (varItems == null || varItems.isEmpty()) {\r
- // Try legacy PropertyVariables\r
- final List<PropertyVariables> vars = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, PropertyVariables.class);\r
- if (!vars.isEmpty()) {\r
- varItems = session.syncRequest( new UniqueRead<List<IDragItem>>() {\r
- @Override\r
- public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {\r
- List<PropertyVariables> vars2 = PropertyVariablesImpl.resolve(graph, vars);\r
- return toDragItems( graph.syncRequest(VariableReferences.toReferences(model, vars2)) );\r
- }\r
- } );\r
- }\r
- }\r
- if (varItems != null)\r
- items.addAll(varItems);\r
-\r
- // Try WorkbenchSelectionElement\r
- if (data instanceof ISelection) {\r
- final List<WorkbenchSelectionElement> wses = ISelectionUtils.filterSelection((ISelection)data, WorkbenchSelectionElement.class);\r
- if (!wses.isEmpty()) {\r
- items.addAll( session.syncRequest( new UniqueRead<List<IDragItem>>() {\r
- @Override\r
- public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {\r
- List<Variable> wsevars = new ArrayList<>();\r
- ChartVariable av = new ChartVariable(graph);\r
- for(WorkbenchSelectionElement wse : wses) {\r
- Variable v = wse.getContent(av);\r
- if(v != null) {\r
- wsevars.add(v);\r
- }\r
- }\r
- return toDragItems( graph.syncRequest(VariableReferences.variablesToReferences(model, wsevars)) );\r
- }\r
- } ) );\r
- }\r
- }\r
- }\r
-\r
- if (items.isEmpty()) {\r
- dtde.rejectDrag();\r
- } else {\r
- // Accept, make sure it is Link\r
- for (IDragItem i : items)\r
- dp.add(i);\r
- dtde.acceptDrag( DnDConstants.ACTION_LINK );\r
- }\r
- } catch (UnsupportedFlavorException e) {\r
- throw new RuntimeException(e);\r
- } catch (IOException e) {\r
- ErrorLogger.defaultLogError(e);\r
- dtde.rejectDrag();\r
- } catch (DatabaseException e) {\r
- ErrorLogger.defaultLogError(e);\r
- dtde.rejectDrag();\r
- }\r
- }\r
-\r
- private void dragEnterPlainText(DropTargetDragEvent dtde, IDnDContext dp) {\r
- try {\r
- DataFlavor flavor = DataFlavor.getTextPlainUnicodeFlavor();\r
- String flavorCharset = flavor.getParameter("charset");\r
- Transferable t = dtde.getTransferable();\r
- InputStream in = (InputStream) t.getTransferData(flavor);\r
- String data = FileUtils.getContents(in, Charset.forName(flavorCharset));\r
-\r
- List<IDragItem> items = new ArrayList<>();\r
- Session session = Simantics.getSession();\r
- Optional<Variable> v = JsonUtils.tryParseJsonPropertyVariable(session, data);\r
- if (v.isPresent()) {\r
- items.addAll( toDragItems( session.syncRequest(VariableReferences.variablesToReferences(model, Collections.singletonList(v.get()))) ) );\r
- }\r
-\r
- if (items.isEmpty()) {\r
- dtde.rejectDrag();\r
- } else {\r
- // Accept, make sure it is Link\r
- for (IDragItem i : items)\r
- dp.add(i);\r
- dtde.acceptDrag( DnDConstants.ACTION_LINK );\r
- }\r
- } catch (UnsupportedFlavorException e) {\r
- throw new RuntimeException(e);\r
- } catch (IOException e) {\r
- ErrorLogger.defaultLogError(e);\r
- dtde.rejectDrag();\r
- } catch (DatabaseException e) {\r
- ErrorLogger.defaultLogError(e);\r
- dtde.rejectDrag();\r
- }\r
- }\r
-\r
- @Override\r
- public void dragExit(DropTargetEvent dte, IDnDContext dp) {\r
- for (IDragItem i : dp.getItemsByClass(SubscriptionItemDragItem.class))\r
- dp.remove(i);\r
- for (IDragItem i : dp.getItemsByClass(VariableReferenceDragItem.class))\r
- dp.remove(i);\r
- }\r
-\r
- @Override\r
- public void dragOver(DropTargetDragEvent dtde, IDnDContext dp) {\r
- }\r
-\r
- @Override\r
- public void drop(DropTargetDropEvent dtde, IDnDContext dp) {\r
- // Subscription Item\r
- Collection<SubscriptionItemDragItem> subs = dp.getItemsByClass(SubscriptionItemDragItem.class);\r
- if (!subs.isEmpty()) {\r
- ChartDropActionFactory.addPlots(container,\r
- subs.stream().map(DragItem::getObject).collect(Collectors.toList()),\r
- Collections.<Resource>emptySet()).run();\r
- dtde.dropComplete(true);\r
- return;\r
- }\r
-\r
- // Variable Reference\r
- Collection<VariableReferenceDragItem> vrdis = dp.getItemsByClass(VariableReferenceDragItem.class);\r
- if (!vrdis.isEmpty()) {\r
- try {\r
- new AddVariableToChartAction( container, null,\r
- vrdis.stream().map(DragItem::getObject).collect(Collectors.toList()) )\r
- .init().run();\r
- dtde.dropComplete(true);\r
- } catch (DatabaseException e) {\r
- ShowMessage.showError(e.getClass().getName(), e.getMessage());\r
- dtde.dropComplete(true);\r
- }\r
- return;\r
- }\r
-\r
- dtde.rejectDrop();\r
- }\r
-\r
- @Override\r
- public void dropActionChanged(DropTargetDragEvent dtde, IDnDContext dp) {\r
- dtde.acceptDrag( DnDConstants.ACTION_LINK );\r
- }\r
-\r
- @Override\r
- public int getAllowedOps() {\r
- return DnDConstants.ACTION_LINK;\r
- }\r
-\r
- private static List<IDragItem> toDragItems(Collection<VariableReference> references) {\r
- return references.stream().map(VariableReferenceDragItem::new).collect(Collectors.toList());\r
- }\r
-\r
- @Override\r
- public double getPriority() {\r
- return 10.0;\r
- }\r
-\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2016 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ * Semantum Oy - JSON plain text input support
+ *******************************************************************************/
+package org.simantics.charts.editor;
+
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
+import java.awt.datatransfer.UnsupportedFlavorException;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DropTargetDragEvent;
+import java.awt.dnd.DropTargetDropEvent;
+import java.awt.dnd.DropTargetEvent;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.simantics.Simantics;
+import org.simantics.charts.internal.JsonUtils;
+import org.simantics.charts.query.AddChartItem;
+import org.simantics.charts.query.ChartItemDescriptor;
+import org.simantics.charts.ui.AddVariableToChartAction;
+import org.simantics.charts.ui.ChartDropActionFactory;
+import org.simantics.charts.ui.ChartVariable;
+import org.simantics.databoard.util.ObjectUtils;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.SelectionHints;
+import org.simantics.db.layer0.request.PossibleModel;
+import org.simantics.db.layer0.variable.RVI;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.VariableReference;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
+import org.simantics.g2d.dnd.DragItem;
+import org.simantics.g2d.dnd.IDnDContext;
+import org.simantics.g2d.dnd.IDragItem;
+import org.simantics.g2d.dnd.IDropTargetParticipant;
+import org.simantics.modeling.ModelingResources;
+import org.simantics.modeling.PropertyVariables;
+import org.simantics.modeling.PropertyVariablesImpl;
+import org.simantics.modeling.utils.VariableReferences;
+import org.simantics.ui.dnd.LocalObjectTransfer;
+import org.simantics.ui.dnd.LocalObjectTransferable;
+import org.simantics.ui.selection.WorkbenchSelectionElement;
+import org.simantics.utils.FileUtils;
+import org.simantics.utils.ui.ErrorLogger;
+import org.simantics.utils.ui.ISelectionUtils;
+import org.simantics.utils.ui.dialogs.ShowMessage;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class SubscriptionDropParticipant extends AbstractDiagramParticipant implements IDropTargetParticipant {
+
+ private static class SubscriptionItemDragItem extends DragItem<ChartItemDescriptor> {
+ public SubscriptionItemDragItem(ChartItemDescriptor obj) {
+ super(obj);
+ }
+ }
+
+ private static class VariableReferenceDragItem extends DragItem<VariableReference> {
+ public VariableReferenceDragItem(VariableReference obj) {
+ super(obj);
+ }
+ }
+
+ Resource container;
+ Resource model;
+
+ public SubscriptionDropParticipant(Resource container) {
+ this.container = container;
+ try {
+ model = Simantics.getSession().sync( new PossibleModel( container ) );
+ } catch (DatabaseException e) {
+ }
+ }
+
+ @Override
+ public void dragEnter(DropTargetDragEvent dtde, IDnDContext dp) {
+ // The source cannot link, too bad
+ if ((dtde.getSourceActions() & DnDConstants.ACTION_LINK) == 0) {
+ dtde.rejectDrag();
+ return;
+ }
+
+ // Ensure the content is usable
+ if (dtde.isDataFlavorSupported(LocalObjectTransferable.FLAVOR)) {
+ dragEnterLocalObject(dtde, dp);
+ } else if (dtde.isDataFlavorSupported(DataFlavor.getTextPlainUnicodeFlavor())) {
+ dragEnterPlainText(dtde, dp);
+ } else {
+ dtde.rejectDrag();
+ }
+ }
+
+ private void dragEnterLocalObject(DropTargetDragEvent dtde, IDnDContext dp) {
+ try {
+ Object data = dtde.getTransferable().getTransferData(LocalObjectTransferable.FLAVOR);
+ data = LocalObjectTransfer.getTransfer().getObject();
+
+ List<IDragItem> items = new ArrayList<>();
+ Session session = Simantics.getSession();
+
+ final List<Resource> resources = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, Resource.class);
+ if (!resources.isEmpty()) {
+ // Support SubscriptionItem drags
+ items.addAll( session.syncRequest(new UniqueRead<List<IDragItem>>() {
+ @Override
+ public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {
+ List<IDragItem> result = new ArrayList<>();
+ ModelingResources MOD = ModelingResources.getInstance(graph);
+ Resource targetModel = graph.syncRequest(new PossibleModel(container));
+ if (targetModel != null) {
+ for (Resource r : resources) {
+ if (graph.isInstanceOf(r, MOD.Subscription_Item)) {
+ Resource model = graph.syncRequest(new PossibleModel(r));
+ if (ObjectUtils.objectEquals(targetModel, model))
+ result.add( new SubscriptionItemDragItem( AddChartItem.createDescriptor(graph, r) ) );
+ }
+ }
+ }
+ return result;
+ }
+ }) );
+ }
+
+ if(data instanceof RVI) {
+
+ VariableReferenceDragItem vrdi = new VariableReferenceDragItem(session.sync(new UnaryRead<RVI, VariableReference>((RVI)data) {
+ @Override
+ public VariableReference perform(ReadGraph graph) throws DatabaseException {
+ return new VariableReference(parameter, Variables.getDatatype(graph, model, parameter), null);
+ }
+ }));
+ items.add( vrdi );
+
+ } else {
+ // Variable/PropertyVariable are mutually exclusive
+ List<IDragItem> varItems = null;
+
+ // 1st try Variable
+ final List<Variable> vars2 = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, Variable.class);
+ if (!vars2.isEmpty()) {
+ varItems = session.syncRequest( new UniqueRead<List<IDragItem>>() {
+ @Override
+ public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {
+ return toDragItems( graph.syncRequest(VariableReferences.variablesToReferences(model, vars2)) );
+ }
+ } );
+ }
+ if (varItems == null || varItems.isEmpty()) {
+ // Try legacy PropertyVariables
+ final List<PropertyVariables> vars = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, PropertyVariables.class);
+ if (!vars.isEmpty()) {
+ varItems = session.syncRequest( new UniqueRead<List<IDragItem>>() {
+ @Override
+ public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {
+ List<PropertyVariables> vars2 = PropertyVariablesImpl.resolve(graph, vars);
+ return toDragItems( graph.syncRequest(VariableReferences.toReferences(model, vars2)) );
+ }
+ } );
+ }
+ }
+ if (varItems != null)
+ items.addAll(varItems);
+
+ // Try WorkbenchSelectionElement
+ if (data instanceof ISelection) {
+ final List<WorkbenchSelectionElement> wses = ISelectionUtils.filterSelection((ISelection)data, WorkbenchSelectionElement.class);
+ if (!wses.isEmpty()) {
+ items.addAll( session.syncRequest( new UniqueRead<List<IDragItem>>() {
+ @Override
+ public List<IDragItem> perform(ReadGraph graph) throws DatabaseException {
+ List<Variable> wsevars = new ArrayList<>();
+ ChartVariable av = new ChartVariable(graph);
+ for(WorkbenchSelectionElement wse : wses) {
+ Variable v = wse.getContent(av);
+ if(v != null) {
+ wsevars.add(v);
+ }
+ }
+ return toDragItems( graph.syncRequest(VariableReferences.variablesToReferences(model, wsevars)) );
+ }
+ } ) );
+ }
+ }
+ }
+
+ if (items.isEmpty()) {
+ dtde.rejectDrag();
+ } else {
+ // Accept, make sure it is Link
+ for (IDragItem i : items)
+ dp.add(i);
+ dtde.acceptDrag( DnDConstants.ACTION_LINK );
+ }
+ } catch (UnsupportedFlavorException e) {
+ throw new RuntimeException(e);
+ } catch (IOException e) {
+ ErrorLogger.defaultLogError(e);
+ dtde.rejectDrag();
+ } catch (DatabaseException e) {
+ ErrorLogger.defaultLogError(e);
+ dtde.rejectDrag();
+ }
+ }
+
+ private void dragEnterPlainText(DropTargetDragEvent dtde, IDnDContext dp) {
+ try {
+ DataFlavor flavor = DataFlavor.getTextPlainUnicodeFlavor();
+ String flavorCharset = flavor.getParameter("charset");
+ Transferable t = dtde.getTransferable();
+ InputStream in = (InputStream) t.getTransferData(flavor);
+ String data = FileUtils.getContents(in, Charset.forName(flavorCharset));
+
+ List<IDragItem> items = new ArrayList<>();
+ Session session = Simantics.getSession();
+ Optional<Variable> v = JsonUtils.tryParseJsonPropertyVariable(session, data);
+ if (v.isPresent()) {
+ items.addAll( toDragItems( session.syncRequest(VariableReferences.variablesToReferences(model, Collections.singletonList(v.get()))) ) );
+ }
+
+ if (items.isEmpty()) {
+ dtde.rejectDrag();
+ } else {
+ // Accept, make sure it is Link
+ for (IDragItem i : items)
+ dp.add(i);
+ dtde.acceptDrag( DnDConstants.ACTION_LINK );
+ }
+ } catch (UnsupportedFlavorException e) {
+ throw new RuntimeException(e);
+ } catch (IOException e) {
+ ErrorLogger.defaultLogError(e);
+ dtde.rejectDrag();
+ } catch (DatabaseException e) {
+ ErrorLogger.defaultLogError(e);
+ dtde.rejectDrag();
+ }
+ }
+
+ @Override
+ public void dragExit(DropTargetEvent dte, IDnDContext dp) {
+ for (IDragItem i : dp.getItemsByClass(SubscriptionItemDragItem.class))
+ dp.remove(i);
+ for (IDragItem i : dp.getItemsByClass(VariableReferenceDragItem.class))
+ dp.remove(i);
+ }
+
+ @Override
+ public void dragOver(DropTargetDragEvent dtde, IDnDContext dp) {
+ }
+
+ @Override
+ public void drop(DropTargetDropEvent dtde, IDnDContext dp) {
+ // Subscription Item
+ Collection<SubscriptionItemDragItem> subs = dp.getItemsByClass(SubscriptionItemDragItem.class);
+ if (!subs.isEmpty()) {
+ ChartDropActionFactory.addPlots(container,
+ subs.stream().map(DragItem::getObject).collect(Collectors.toList()),
+ Collections.<Resource>emptySet()).run();
+ dtde.dropComplete(true);
+ return;
+ }
+
+ // Variable Reference
+ Collection<VariableReferenceDragItem> vrdis = dp.getItemsByClass(VariableReferenceDragItem.class);
+ if (!vrdis.isEmpty()) {
+ try {
+ new AddVariableToChartAction( container, null,
+ vrdis.stream().map(DragItem::getObject).collect(Collectors.toList()) )
+ .init().run();
+ dtde.dropComplete(true);
+ } catch (DatabaseException e) {
+ ShowMessage.showError(e.getClass().getName(), e.getMessage());
+ dtde.dropComplete(true);
+ }
+ return;
+ }
+
+ dtde.rejectDrop();
+ }
+
+ @Override
+ public void dropActionChanged(DropTargetDragEvent dtde, IDnDContext dp) {
+ dtde.acceptDrag( DnDConstants.ACTION_LINK );
+ }
+
+ @Override
+ public int getAllowedOps() {
+ return DnDConstants.ACTION_LINK;
+ }
+
+ private static List<IDragItem> toDragItems(Collection<VariableReference> references) {
+ return references.stream().map(VariableReferenceDragItem::new).collect(Collectors.toList());
+ }
+
+ @Override
+ public double getPriority() {
+ return 10.0;
+ }
+
}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff