--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 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
+ *******************************************************************************/\r
+package org.simantics.modeling.ui.diagramEditor.handlers.e4;\r
+\r
+import java.awt.Shape;\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+import java.util.Collection;\r
+import java.util.HashSet;\r
+import java.util.Set;\r
+import java.util.function.Consumer;\r
+\r
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.ResourceArray;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.common.utils.OrderedSetUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.management.ISessionContext;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.g2d.canvas.ICanvasContext;\r
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;\r
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;\r
+import org.simantics.g2d.diagram.DiagramHints;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.diagram.handler.DataElementMap;\r
+import org.simantics.g2d.diagram.participant.Selection;\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.participant.CanvasBoundsParticipant;\r
+import org.simantics.g2d.participant.TransformUtil;\r
+import org.simantics.g2d.utils.GeometryUtils;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.modeling.ui.diagramEditor.e4.DiagramViewer;\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.e4.E4WorkbenchUtils;\r
+import org.simantics.utils.page.MarginUtils;\r
+import org.simantics.utils.threads.ThreadUtils;\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 LinkBrowsingHandler extends AbstractCanvasParticipant {\r
+\r
+ @Dependency\r
+ CanvasBoundsParticipant canvasBounds;\r
+ @Dependency\r
+ Selection selection;\r
+\r
+ DiagramViewer viewer;\r
+ ISessionContext sessionContext;\r
+\r
+ public LinkBrowsingHandler(DiagramViewer viewer, ISessionContext context) {\r
+\r
+// System.out.println("LinkBrowsingHandler " + viewer + " " + viewer.structuralPath);\r
+\r
+ this.viewer = viewer;\r
+ this.sessionContext = context;\r
+\r
+ }\r
+\r
+ public static Runnable editorActivator(final MPart part, final ResourceArray input, final Consumer<MPart> successCallback) {\r
+ String sourcePartId = part.getElementId();\r
+ return editorActivator(sourcePartId, input, successCallback);\r
+ }\r
+\r
+ public Runnable elementSelectorZoomer(final ICanvasContext canvas, final Collection<Object> elementObjects, final boolean keepZoom) {\r
+ return new Runnable() {\r
+ @Override\r
+ public void run() {\r
+ IDiagram diagram = canvas.getHintStack().getHint(DiagramHints.KEY_DIAGRAM);\r
+ assert diagram != null;\r
+ if (!zoomToSelection(canvas, diagram, selectElement(canvas, diagram, elementObjects), keepZoom)) {\r
+ // Reschedule for later.\r
+ ThreadUtils.asyncExec(canvas.getThreadAccess(), this);\r
+ }\r
+ }\r
+ };\r
+ }\r
+\r
+ public static Set<IElement> selectElement(final ICanvasContext canvas, final IDiagram diagram, final Collection<Object> elementObjects) {\r
+ // Select element\r
+ Set<IElement> selection = new HashSet<IElement>();\r
+ DataElementMap dataMap = diagram.getDiagramClass().getSingleItem(DataElementMap.class);\r
+ for (Object obj : elementObjects) {\r
+ IElement element = dataMap.getElement(diagram, obj);\r
+ if (element == null) {\r
+ ErrorLogger.defaultLogWarning("No element to select for object " + obj, new Exception());\r
+ } else {\r
+ selection.add(element);\r
+ }\r
+ }\r
+ for (Selection s : canvas.getItemsByClass(Selection.class)) {\r
+ s.setSelection(0, selection);\r
+ }\r
+ return selection;\r
+ }\r
+\r
+ public boolean zoomToSelection(final ICanvasContext canvas, final IDiagram diagram, Set<IElement> selection, boolean keepZoom) {\r
+ TransformUtil util = canvas.getSingleItem(TransformUtil.class);\r
+ Rectangle2D controlBounds = canvasBounds.getControlBounds();\r
+ if (controlBounds == null)\r
+ return false;\r
+\r
+ Shape shp = ElementUtils.getElementBoundsOnDiagram(selection);\r
+ if (shp == null)\r
+ return false;\r
+\r
+ Rectangle2D diagramRect = shp.getBounds2D();\r
+ if (keepZoom) {\r
+ double scaleFactor = GeometryUtils.getScale(util.getTransform());\r
+ double cwh = controlBounds.getWidth() / (scaleFactor*2);\r
+ double chh = controlBounds.getHeight() / (scaleFactor*2);\r
+\r
+ AffineTransform view = new AffineTransform();\r
+ view.scale(scaleFactor, scaleFactor);\r
+ view.translate(-diagramRect.getCenterX()+cwh, -diagramRect.getCenterY()+chh);\r
+\r
+ util.setTransform(view);\r
+ } else {\r
+ MarginUtils.Margin margin = MarginUtils.marginOf(40, 0, 0);\r
+ MarginUtils.Margins margins = new MarginUtils.Margins(margin, margin, margin, margin);\r
+ util.fitArea(controlBounds, diagramRect, margins);\r
+ }\r
+ return true;\r
+ }\r
+\r
+ public static Runnable editorActivator(final String editorPartId, final ResourceArray input, final Consumer<MPart> successCallback) {\r
+ return new Runnable() {\r
+ @Override\r
+ public void run() {\r
+ // open and activate new editor\r
+ MPart part = E4WorkbenchUtils.openEditor(editorPartId, "", "", input.get(0));\r
+ E4WorkbenchUtils.activatePart(part);\r
+ successCallback.accept(part);\r
+ }\r
+ };\r
+ }\r
+\r
+ public static Resource getOwnerList(ReadGraph g, Resource listElement) throws DatabaseException {\r
+ return OrderedSetUtils.getSingleOwnerList(g, listElement, DiagramResource.getInstance(g).Composite);\r
+ }\r
+\r
+ @EventHandler(priority = 0)\r
+ public boolean handleDoubleClick(MouseDoubleClickedEvent me) {\r
+\r
+ //System.out.println("LinkBrowsingHandler");\r
+\r
+ if (sessionContext == null)\r
+ return false;\r
+\r
+ Set<IElement> sel = selection.getSelection(0);\r
+\r
+ if (sel.size() == 1) {\r
+ IElement e = sel.iterator().next();\r
+ Object data = e.getHint(ElementHints.KEY_OBJECT);\r
+ if (data instanceof Resource) {\r
+ final Resource element = (Resource) data;\r
+ sessionContext.getSession().asyncRequest(new ReadRequest() {\r
+ @Override\r
+ public void run(ReadGraph graph) throws DatabaseException {\r
+\r
+ //System.out.println("LinkBrowsingHandler0");\r
+\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.UpwardLink)) {\r
+\r
+// Resource component = viewer.structuralPath.resources[0];\r
+// Resource element = graph.getPossibleObject(component, mr.ComponentToElement);\r
+// Resource diagram = getOwnerList(graph, element);\r
+//\r
+// IEditorPart thisEditor = (IEditorPart) site.getPart();\r
+// site.getWorkbenchWindow().getShell().getDisplay().asyncExec(\r
+// editorActivator(thisEditor, viewer.structuralPath.removeFromBeginning(1).prepended(diagram), new Callback<IEditorPart>() {\r
+// @Override\r
+// public void run(IEditorPart part) {\r
+// }\r
+// }));\r
+\r
+ } else if (graph.isInstanceOf(element, dr.Link)) {\r
+\r
+ //System.out.println("LinkBrowsingHandler2");\r
+\r
+// ContextMap parameters = new ContextMap();\r
+// parameters.put(ModelingOperationConstants.WORKBENCH_WINDOW, site.getWorkbenchWindow());\r
+// parameters.put(ModelingOperationConstants.WORKBENCH_PART, site.getPart());\r
+// parameters.put(IOperation.SUBJECT, element);\r
+\r
+ Resource thisDiagram = getOwnerList(graph, element);\r
+ if (thisDiagram == null) return;\r
+\r
+ final Resource target = graph.getPossibleObject(element, dr.HasLinkTarget);\r
+ if (target == null) return;\r
+\r
+ final Resource otherDiagram = getOwnerList(graph, target);\r
+ if (otherDiagram == null)\r
+ return;\r
+\r
+ final Resource component = graph.getPossibleObject(target, mr.ElementToComponent);\r
+ if (component == null)\r
+ return;\r
+\r
+ Resource type = graph.getSingleType(component, sr.Component);\r
+ if (type == null)\r
+ return;\r
+\r
+ Resource definedBy = graph.getPossibleObject(type, sr.IsDefinedBy);\r
+ if (definedBy == null)\r
+ return;\r
+\r
+ final Resource diagram = graph.getPossibleObject(definedBy, mr.CompositeToDiagram);\r
+ if (diagram == null)\r
+ return;\r
+\r
+// PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {\r
+// @Override\r
+// public void run() {\r
+// try {\r
+// WorkbenchUtils.openEditor(site.getId(), new ResourceEditorInput(site.getId(), parentStructuralPath.prepended(diagram, component)));\r
+// } catch (PartInitException e) {\r
+// // TODO Auto-generated catch block\r
+// e.printStackTrace();\r
+// }\r
+// }\r
+// });\r
+\r
+// IEditorPart thisEditor = (IEditorPart) site.getPart();\r
+// ResourceArray input = viewer.structuralPath.prepended(diagram, component);\r
+// System.out.println("Browsing link " + input);\r
+// site.getWorkbenchWindow().getShell().getDisplay().asyncExec(\r
+// editorActivator(thisEditor, input, new Callback<IEditorPart>() {\r
+// @Override\r
+// public void run(IEditorPart part) {\r
+//// final ICanvasContext openedCanvas = (ICanvasContext) part.getAdapter(ICanvasContext.class);\r
+//// assert openedCanvas != null;\r
+//// IDiagram diagram = (IDiagram) part.getAdapter(IDiagram.class);\r
+//// assert diagram != null;\r
+// // Disable automatic-zoom-to-fit\r
+//// diagram.removeHint(DiagramHints.KEY_INITIAL_ZOOM_TO_FIT);\r
+//// ThreadUtils.asyncExec(openedCanvas.getThreadAccess(),\r
+//// elementSelectorZoomer(openedCanvas, Collections.singleton((Object) target), false));\r
+// }\r
+// }));\r
+\r
+\r
+\r
+// System.out.println("LinkBrowsingHandler3");\r
+//\r
+// if (!thisDiagram.equals(otherDiagram)) {\r
+//\r
+// System.out.println("LinkBrowsingHandler4");\r
+//\r
+// // Find the structural path\r
+// Resource ownerComposite = graph.getPossibleObject(otherDiagram, mr.DiagramToComposite);\r
+// if (ownerComposite == null)\r
+// return;\r
+//\r
+// Collection<ResourceArray> inputs = ComponentUtils.formInputs(graph, ownerComposite);\r
+//\r
+//\r
+// for (final ResourceArray input : inputs) {\r
+// }\r
+// }\r
+// return;\r
+\r
+ }\r
+\r
+ return;\r
+\r
+ }\r
+\r
+ });\r
+\r
+\r
+ }\r
+\r
+ }\r
+ return false;\r
+ }\r
+\r
+}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff