--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2014 Association for Decentralized Information Management\r
+ * in 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 - support SHIFT+left double click browsing outside of model configuration\r
+ *******************************************************************************/\r
+package org.simantics.modeling.ui.diagramEditor.handlers.e4;\r
+\r
+import java.util.HashMap;\r
+import java.util.Map;\r
+import java.util.Set;\r
+\r
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;\r
+import org.eclipse.e4.ui.model.application.ui.basic.MWindow;\r
+import org.eclipse.ui.PlatformUI;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.PossibleIndexRoot;\r
+import org.simantics.db.common.request.UniqueRead;\r
+import org.simantics.db.exception.DatabaseException;\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.db.management.ISessionContext;\r
+import org.simantics.diagram.flag.FlagUtil;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.diagram.ui.DiagramModelHints;\r
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;\r
+import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\r
+import org.simantics.g2d.diagram.participant.Selection;\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.layer0.utils.operations.IOperation;\r
+import org.simantics.modeling.ModelingOperationConstants;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.modeling.actions.NavigateToTarget;\r
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;\r
+import org.simantics.structural.stubs.StructuralResource2;\r
+import org.simantics.ui.workbench.IResourceEditorInput2;\r
+import org.simantics.ui.workbench.e4.E4ResourceEditorConstants;\r
+import org.simantics.ui.workbench.e4.E4WorkbenchUtils;\r
+import org.simantics.utils.datastructures.persistent.ContextMap;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+/**\r
+ * StructuralBrowsingHandler supports visual browsing into subcomponents through\r
+ * mouse events.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class StructuralBrowsingHandler extends AbstractDiagramParticipant {\r
+\r
+ @Dependency\r
+ Selection selection;\r
+ MPart part;\r
+ ISessionContext sessionContext;\r
+ IResourceEditorInput2 input;\r
+\r
+ public StructuralBrowsingHandler(ISessionContext sessionContext, MPart part, IResourceEditorInput2 input) {\r
+ this.sessionContext = sessionContext;\r
+ this.part = part;\r
+ this.input = input;\r
+ }\r
+\r
+ @EventHandler(priority = 0)\r
+ public boolean handleDoubleClick(MouseDoubleClickedEvent me) {\r
+ if (sessionContext == null || diagram == null)\r
+ return false;\r
+ \r
+ Set<IElement> sel = selection.getSelection(0);\r
+ if (sel.size() == 1) {\r
+ IElement e = sel.iterator().next();\r
+ Object data = e.getHint(ElementHints.KEY_OBJECT);\r
+ final Resource runtime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);\r
+ if (data instanceof Resource) {\r
+ final Resource element = (Resource) data;\r
+ final int stateMask = me.stateMask;\r
+ try {\r
+ return sessionContext.getSession().syncRequest(new UniqueRead<Boolean>() {\r
+ @Override\r
+ public Boolean perform(ReadGraph graph) throws DatabaseException {\r
+ return browse(graph, element, runtime, stateMask);\r
+ }\r
+ });\r
+ } catch (DatabaseException e1) {\r
+ ErrorLogger.defaultLogError(e1);\r
+ }\r
+ }\r
+ }\r
+\r
+ return false;\r
+ }\r
+ \r
+ private boolean browse(ReadGraph graph, Resource element, Resource runtimeDiagram, int stateMask) throws DatabaseException {\r
+ DiagramResource DIA = DiagramResource.getInstance(graph);\r
+ ModelingResources mr = ModelingResources.getInstance(graph);\r
+ DiagramResource dr = DiagramResource.getInstance(graph);\r
+ StructuralResource2 sr = StructuralResource2.getInstance(graph);\r
+\r
+ if (graph.isInstanceOf(element, dr.Flag)) {\r
+ ContextMap parameters = new ContextMap();\r
+ parameters.put(ModelingOperationConstants.WORKBENCH_WINDOW, part.getContext().get(MWindow.class));\r
+ parameters.put(ModelingOperationConstants.WORKBENCH_PART, part);\r
+ parameters.put(IOperation.SUBJECT, element);\r
+ new NavigateToTarget().exec(graph.getSession(), parameters);\r
+ // Return true only if the flag is joined somewhere and navigation is possible.\r
+ return FlagUtil.isJoined(graph, element);\r
+ }\r
+\r
+ if((stateMask & MouseDoubleClickedEvent.SHIFT_MASK) == 0)\r
+ return false;\r
+\r
+ if(runtimeDiagram == null || !graph.isInstanceOf(runtimeDiagram, DIA.RuntimeDiagram))\r
+ return false;\r
+\r
+ final Resource component = graph.getPossibleObject(element, mr.ElementToComponent);\r
+ if (component == null)\r
+ return false;\r
+\r
+ Resource type = graph.getPossibleType(component, sr.Component);\r
+ if (type == null)\r
+ return false;\r
+ if(graph.hasStatement(type, sr.ComponentType_Locked))\r
+ return false;\r
+\r
+ Resource definedBy = graph.getPossibleObject(type, sr.IsDefinedBy);\r
+ if (definedBy == null)\r
+ return false;\r
+\r
+ final Resource diagram = graph.getPossibleObject(definedBy, mr.CompositeToDiagram);\r
+ if (diagram == null)\r
+ return false;\r
+\r
+ Resource model = input.getModel(graph);\r
+ RVI subprocessRVI = null;\r
+\r
+ String rvis = (String) graph.getPossibleRelatedValue(runtimeDiagram, DIA.RuntimeDiagram_HasRVI);\r
+ if (rvis != null) {\r
+ RVI rvi = RVI.fromResourceFormat(graph, rvis);\r
+ Variable base = Variables.getConfigurationContext(graph, model);\r
+ Variable current = rvi.resolve(graph, base);\r
+ Variable subprocess = current.browse(graph, component);\r
+ subprocessRVI = subprocess.getRVI(graph);\r
+ } else {\r
+ // Not in a model configuration context.\r
+ // Probably in a component type configuration.\r
+ // Use the index root of the diagram to be opened as model[0]\r
+ // and leave subprocessRVI[0] as null.\r
+ model = graph.syncRequest(new PossibleIndexRoot(definedBy));\r
+ }\r
+\r
+ PlatformUI.getWorkbench().getDisplay().asyncExec(navigateToSubstructure(diagram, model, subprocessRVI));\r
+ return true;\r
+ }\r
+\r
+ private Runnable navigateToSubstructure(final Resource diagram, final Resource model, final RVI subprocessRVI) {\r
+ return new Runnable() {\r
+ @Override\r
+ public void run() {\r
+ String inputId = Long.toString(diagram.getResourceId());\r
+ Map<String, Object> inputMap = new HashMap<>();\r
+ inputMap.put(E4ResourceEditorConstants.KEY_RESOURCE, diagram);\r
+ inputMap.put(E4ResourceEditorConstants.KEY_MODEL, model);\r
+ inputMap.put(E4ResourceEditorConstants.KEY_RVI, subprocessRVI);\r
+ E4WorkbenchUtils.openEditor(part.getElementId(), "", "", inputId, inputMap);\r
+ }\r
+ };\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff