/*******************************************************************************\r
- * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\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
*\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.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.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.Variable;\r
import org.simantics.db.layer0.variable.VariableReference;\r
import org.simantics.db.layer0.variable.Variables;\r
-import org.simantics.db.request.Read;\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.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
@Override\r
public void dragEnter(DropTargetDragEvent dtde, IDnDContext dp) {\r
- // The transferable doesn't know LOT\r
- if (!dtde.isDataFlavorSupported(LocalObjectTransferable.FLAVOR)) {\r
- dtde.rejectDrag();\r
- return;\r
- }\r
-\r
// The source cannot link, too bad\r
if ((dtde.getSourceActions() & DnDConstants.ACTION_LINK) == 0) {\r
dtde.rejectDrag();\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
- Transferable t = dtde.getTransferable();\r
- Object data = t.getTransferData(LocalObjectTransferable.FLAVOR);\r
+ Object data = dtde.getTransferable().getTransferData(LocalObjectTransferable.FLAVOR);\r
data = LocalObjectTransfer.getTransfer().getObject();\r
\r
- List<IDragItem> items = new ArrayList<IDragItem>();\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( Simantics.getSession().syncRequest(new Read<List<IDragItem>>() {\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<IDragItem>();\r
- //Layer0 L0 = Layer0.getInstance(graph);\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
- //System.out.println( graph.getPossibleRelatedValue(r, L0.HasName) );\r
if (graph.isInstanceOf(r, MOD.Subscription_Item)) {\r
Resource model = graph.syncRequest(new PossibleModel(r));\r
if (ObjectUtils.objectEquals(targetModel, model))\r
\r
if(data instanceof RVI) {\r
\r
- VariableReferenceDragItem vrdi = new VariableReferenceDragItem(Simantics.getSession().sync(new UnaryRead<RVI, VariableReference>((RVI)data) {\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
// 1st try Variable\r
final List<Variable> vars2 = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, Variable.class);\r
if (!vars2.isEmpty()) {\r
- varItems = Simantics.getSession().syncRequest( new Read<List<IDragItem>>() {\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
// Try legacy PropertyVariables\r
final List<PropertyVariables> vars = ISelectionUtils.getPossibleKeys(data, SelectionHints.KEY_MAIN, PropertyVariables.class);\r
if (!vars.isEmpty()) {\r
- varItems = Simantics.getSession().syncRequest( new Read<List<IDragItem>>() {\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
if (data instanceof ISelection) {\r
final List<WorkbenchSelectionElement> wses = ISelectionUtils.filterSelection((ISelection)data, WorkbenchSelectionElement.class);\r
if (!wses.isEmpty()) {\r
- items.addAll( Simantics.getSession().syncRequest( new Read<List<IDragItem>>() {\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<Variable>();\r
+ List<Variable> wsevars = new ArrayList<>();\r
ChartVariable av = new ChartVariable(graph);\r
for(WorkbenchSelectionElement wse : wses) {\r
Variable v = wse.getContent(av);\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
\r
@Override\r
public void drop(DropTargetDropEvent dtde, IDnDContext dp) {\r
- // Subscription Item\r
+ // Subscription Item\r
Collection<SubscriptionItemDragItem> subs = dp.getItemsByClass(SubscriptionItemDragItem.class);\r
if (!subs.isEmpty()) {\r
- List<ChartItemDescriptor> cicr = new ArrayList<ChartItemDescriptor>();\r
- for (SubscriptionItemDragItem sidi : subs) {\r
- cicr.add(sidi.getObject());\r
- }\r
- ChartDropActionFactory.addPlots(container, cicr, Collections.<Resource>emptySet()).run();\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
+\r
// Variable Reference\r
Collection<VariableReferenceDragItem> vrdis = dp.getItemsByClass(VariableReferenceDragItem.class);\r
if (!vrdis.isEmpty()) {\r
- List<VariableReference> refs = new ArrayList<VariableReference>();\r
- for (VariableReferenceDragItem vrdi : vrdis) {\r
- refs.add( vrdi.getObject() );\r
- }\r
- Resource chart = container;\r
try {\r
- AddVariableToChartAction a = new AddVariableToChartAction( chart, null, refs );\r
- a.init();\r
- a.run();\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
}\r
return;\r
}\r
- \r
+\r
dtde.rejectDrop();\r
}\r
\r
}\r
\r
private static List<IDragItem> toDragItems(Collection<VariableReference> references) {\r
- List<IDragItem> result = new ArrayList<IDragItem>(references.size());\r
- for (VariableReference vr : references) {\r
- VariableReferenceDragItem di = new VariableReferenceDragItem( vr );\r
- result.add( di );\r
- }\r
- return result;\r
+ return references.stream().map(VariableReferenceDragItem::new).collect(Collectors.toList());\r
}\r
- \r
+\r
@Override\r
public double getPriority() {\r
return 10.0;\r