-/*******************************************************************************\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.diagram.handler.e4;\r
-\r
-import java.awt.Color;\r
-import java.awt.event.KeyEvent;\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.Point2D;\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.List;\r
-import java.util.Set;\r
-\r
-import org.eclipse.core.runtime.IStatus;\r
-import org.eclipse.core.runtime.Status;\r
-import org.eclipse.e4.ui.model.application.ui.basic.MPart;\r
-import org.eclipse.e4.ui.workbench.modeling.EPartService;\r
-import org.eclipse.e4.ui.workbench.modeling.IPartListener;\r
-import org.eclipse.jface.action.IStatusLineManager;\r
-import org.eclipse.swt.widgets.Display;\r
-import org.eclipse.ui.PlatformUI;\r
-import org.simantics.Simantics;\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.request.WriteRequest;\r
-import org.simantics.db.common.utils.OrderedSetUtils;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.util.ClipboardUtils;\r
-import org.simantics.db.layer0.util.SimanticsClipboard;\r
-import org.simantics.db.layer0.util.SimanticsClipboard.Representation;\r
-import org.simantics.db.layer0.util.SimanticsKeys;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.simantics.db.layer0.variable.Variables;\r
-import org.simantics.db.request.Read;\r
-import org.simantics.diagram.Logger;\r
-import org.simantics.diagram.content.Change;\r
-import org.simantics.diagram.content.ConnectionUtil;\r
-import org.simantics.diagram.content.DiagramContentChanges;\r
-import org.simantics.diagram.content.DiagramContentTracker;\r
-import org.simantics.diagram.handler.CopyPasteStrategy;\r
-import org.simantics.diagram.handler.CopyPasteUtil;\r
-import org.simantics.diagram.handler.DefaultCopyPasteStrategy;\r
-import org.simantics.diagram.handler.DiagramSelection;\r
-import org.simantics.diagram.handler.DiagramSelectionRepresentation;\r
-import org.simantics.diagram.handler.ElementAssortment;\r
-import org.simantics.diagram.handler.ElementObjectAssortment;\r
-import org.simantics.diagram.handler.ElementType;\r
-import org.simantics.diagram.handler.HighlightMode;\r
-import org.simantics.diagram.handler.PasteException;\r
-import org.simantics.diagram.handler.PasteOperation;\r
-import org.simantics.diagram.internal.Activator;\r
-import org.simantics.diagram.stubs.DiagramResource;\r
-import org.simantics.diagram.stubs.G2DResource;\r
-import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;\r
-import org.simantics.diagram.synchronization.runtime.DiagramSelectionUpdater;\r
-import org.simantics.diagram.ui.DiagramModelHints;\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.canvas.impl.SGNodeReflection.SGCleanup;\r
-import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;\r
-import org.simantics.g2d.connection.ConnectionEntity;\r
-import org.simantics.g2d.connection.handler.ConnectionHandler;\r
-import org.simantics.g2d.diagram.IDiagram;\r
-import org.simantics.g2d.diagram.handler.Topology;\r
-import org.simantics.g2d.diagram.handler.Topology.Connection;\r
-import org.simantics.g2d.diagram.handler.Topology.Terminal;\r
-import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\r
-import org.simantics.g2d.diagram.participant.Selection;\r
-import org.simantics.g2d.element.ElementClass;\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.element.handler.BendsHandler;\r
-import org.simantics.g2d.element.handler.EdgeVisuals.EdgeEnd;\r
-import org.simantics.g2d.element.handler.Move;\r
-import org.simantics.g2d.element.handler.TerminalTopology;\r
-import org.simantics.g2d.element.handler.Transform;\r
-import org.simantics.g2d.elementclass.FlagHandler;\r
-import org.simantics.g2d.participant.GridPainter;\r
-import org.simantics.g2d.participant.MouseUtil;\r
-import org.simantics.g2d.participant.MouseUtil.MouseInfo;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.modeling.ModelingResources;\r
-import org.simantics.operation.Layer0X;\r
-import org.simantics.project.IProject;\r
-import org.simantics.scenegraph.INode;\r
-import org.simantics.scenegraph.ParentNode;\r
-import org.simantics.scenegraph.g2d.G2DParentNode;\r
-import org.simantics.scenegraph.g2d.IG2DNode;\r
-import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
-import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;\r
-import org.simantics.scenegraph.g2d.events.KeyEvent.KeyReleasedEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseEnterEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseExitEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;\r
-import org.simantics.scenegraph.g2d.events.command.Command;\r
-import org.simantics.scenegraph.g2d.events.command.CommandEvent;\r
-import org.simantics.scenegraph.g2d.events.command.Commands;\r
-import org.simantics.scenegraph.g2d.nodes.LinkNode;\r
-import org.simantics.scenegraph.g2d.nodes.LocalDelegateNode;\r
-import org.simantics.scenegraph.g2d.nodes.SingleElementNode;\r
-import org.simantics.scenegraph.utils.NodeMapper;\r
-import org.simantics.utils.datastructures.collections.CollectionUtils;\r
-import org.simantics.utils.datastructures.hints.HintListenerAdapter;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
-import org.simantics.utils.datastructures.hints.IHintListener;\r
-import org.simantics.utils.datastructures.hints.IHintObservable;\r
-import org.simantics.utils.logging.TimeLogger;\r
-import org.simantics.utils.threads.SWTThread;\r
-import org.simantics.utils.threads.ThreadUtils;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-import org.simantics.utils.ui.SWTUtils;\r
-\r
-/**\r
- * CopyPasteHandler is a canvas handler for Commands.CUT, Commands.COPY and\r
- * Commands.PASTE commands for an IDiagram.\r
- * \r
- * <p>\r
- * The handler attempts to copy/paste the current selection for pointer 0,\r
- * meaning {@link Selection#SELECTION0}.\r
- * </p>\r
- * \r
- * <p>\r
- * The handler logic follows the specifications at <a\r
- * href="http://www.simantics.org/wiki/index.php/UC:Copy_Item" >UC:Copy Item</a>\r
- * and <a href="http://www.simantics.org/wiki/index.php/UC:Cut_Item" >UC:Cut\r
- * Item</a>.\r
- * </p>\r
- * \r
- * @see Selection current diagram selection source\r
- * \r
- * @author Tuukka Lehtonen\r
- * \r
- * FIXME: translucent ghosting makes rendering REALLY sluggish, add a\r
- * timer that makes the ghost opaque when the user is interacting and\r
- * translucent only when still for a while.\r
- */\r
-public class CopyPasteHandler extends AbstractDiagramParticipant {\r
-\r
- public static final Key KEY_CUT_SELECTION_FRAME_COLOR = new KeyOf(Color.class, "CUT_SELECTION_FRAME_COLOR");\r
- public static final Key KEY_CUT_SELECTION_CONTENT_COLOR = new KeyOf(Color.class, "CUT_SELECTION_CONTENT_COLOR");\r
- public static final Key KEY_COPIED_SELECTION_FRAME_COLOR = new KeyOf(Color.class, "COPY_SELECTION_FRAME_COLOR");\r
- public static final Key KEY_COPIED_SELECTION_CONTENT_COLOR = new KeyOf(Color.class, "COPY_SELECTION_CONTENT_COLOR");\r
-\r
- /**\r
- * A key for storing the current selection within the currently active\r
- * project for copy/paste implementation.\r
- */\r
- private static final Key KEY_DIAGRAM_SELECTION = DiagramSelectionRepresentation.KEY_DIAGRAM_SELECTION;\r
-\r
- private static final boolean DEBUG = false;\r
- private static final boolean DEBUG_SELECTION_UPDATE = false;\r
-\r
- public static final int COPY_GHOSTING_PAINT_PRIORITY = 600;\r
-\r
- private static final int HIGHLIGHT_PAINT_PRIORITY = 500;\r
-\r
- @Dependency\r
- private Selection sel;\r
- @Dependency\r
- private MouseUtil mouseUtil;\r
-\r
- protected final IStatusLineManager statusLine;\r
- protected final CopyPasteStrategy strategy;\r
- protected MPart mPart;\r
- protected MPart listenedMPart;\r
-\r
- /**\r
- * Workbench part listener for {@link #listenedMPart} to keep proper track of\r
- * whether this part is focused or not.\r
- */\r
- \r
- IPartListener partListener2 = new IPartListener() {\r
- \r
- @Override\r
- public void partVisible(MPart part) {\r
- }\r
- \r
- @Override\r
- public void partHidden(MPart part) {\r
- // Make sure this listener is removed properly in any case.\r
- if (listenedMPart != null) {\r
- mPart.getContext().get(EPartService.class).removePartListener(partListener2);\r
- listenedMPart = null;\r
- }\r
- }\r
- \r
- @Override\r
- public void partDeactivated(MPart part) {\r
- if (part == mPart)\r
- hasFocus = false;\r
- }\r
- \r
- @Override\r
- public void partBroughtToTop(MPart part) {\r
- }\r
- \r
- @Override\r
- public void partActivated(MPart part) {\r
- if (part == mPart)\r
- hasFocus = true;\r
- }\r
- };\r
-\r
- /**\r
- * Indicates whether CopyPasteHandler thinks that {@link #mPart} has focus. \r
- */\r
- protected boolean hasFocus = false;\r
-\r
- private AbstractCanvasParticipant highlightMode = null;\r
- private IProject observedProject = null;\r
-\r
- /**\r
- * A counter for how many times pasting has been performed without mouse and\r
- * ghosting or how many times paste has been performed without moving the\r
- * mouse on the diagram. This is used to offset the paste position\r
- * accordingly so that copied elements don't wind up directly on top of each\r
- * other.\r
- */\r
- private int pasteWithoutMovingGhostCounter = 0;\r
-\r
- /**\r
- * An offset used when pasting without mouse/ghosting. It forces keyboard\r
- * pastes to stack up on top of the latest paste performed with\r
- * mouse/ghosting.\r
- */\r
- private final Point2D pasteOffset = new Point2D.Double(0, 0);\r
-\r
- /**\r
- * Stores the last MouseInfo for mouse 0 from the time of the previous\r
- * received mouse event. Used for deciding the paste position.\r
- * \r
- * @see #getPastePos(DiagramSelection)\r
- */\r
- private MouseInfo mouseInfo;\r
-\r
- /**\r
- * Scale to use for pasted diagram monitors from variables.\r
- */\r
- private double monitorScale = 0.2;\r
-\r
- /**\r
- * For updating the diagram selection after graph changes.\r
- */\r
- private DiagramSelectionUpdater selectionUpdater = null;\r
-\r
- public CopyPasteHandler() {\r
- this(new DefaultCopyPasteStrategy());\r
- }\r
-\r
- public CopyPasteHandler(CopyPasteStrategy strategy) {\r
- this(strategy, null);\r
- }\r
-\r
- public CopyPasteHandler(IStatusLineManager statusLine) {\r
- this(new DefaultCopyPasteStrategy(), statusLine);\r
- }\r
-\r
- public CopyPasteHandler(CopyPasteStrategy strategy, IStatusLineManager statusLine) {\r
- this.strategy = strategy != null ? strategy : new DefaultCopyPasteStrategy();\r
- this.statusLine = statusLine;\r
- }\r
-\r
- public CopyPasteHandler(CopyPasteStrategy strategy, IStatusLineManager statusLine, double monitorScale) {\r
- this.strategy = strategy != null ? strategy : new DefaultCopyPasteStrategy();\r
- this.statusLine = statusLine;\r
- setMonitorScale(monitorScale);\r
- }\r
-\r
- public CopyPasteHandler setMonitorScale(double scale) {\r
- this.monitorScale = scale;\r
- return this;\r
- }\r
-\r
- public CopyPasteHandler setWorkbenchSite(MPart part) {\r
- this.mPart = part;\r
- return this;\r
- }\r
-\r
- protected boolean isPasteAllowed() {\r
- return listenedMPart == null || hasFocus;\r
- }\r
-\r
- @Override\r
- public void addedToContext(ICanvasContext ctx) {\r
- super.addedToContext(ctx);\r
- addProjectListener(peekProject());\r
-\r
- listenedMPart = mPart;\r
- if (listenedMPart != null) {\r
- listenedMPart.getContext().get(EPartService.class).addPartListener(partListener2);\r
- }\r
- }\r
-\r
- @Override\r
- public void removedFromContext(ICanvasContext ctx) {\r
- // Remove project selection if its ours to prevent leaking memory.\r
- DiagramSelection ds = getProjectSelection();\r
- if (ds.getSourceCanvas() == ctx) {\r
- removeProjectSelection();\r
- }\r
-\r
- if (listenedMPart != null) {\r
- listenedMPart.getContext().get(EPartService.class).removePartListener(partListener2);\r
- listenedMPart = null;\r
- }\r
-\r
- removeProjectListener();\r
- super.removedFromContext(ctx);\r
- }\r
-\r
- @Override\r
- protected void onDiagramSet(IDiagram newDiagram, IDiagram oldDiagram) {\r
- if (oldDiagram != null) {\r
- if (selectionUpdater != null) {\r
- selectionUpdater.untrack();\r
- selectionUpdater = null;\r
- }\r
- }\r
- if (newDiagram != null) {\r
- selectionUpdater = new DiagramSelectionUpdater(getContext(), newDiagram).track();\r
- }\r
- }\r
-\r
- IHintListener projectDiagramSelectionListener = new HintListenerAdapter() {\r
- @Override\r
- public void hintChanged(IHintObservable sender, Key key, Object oldValue, final Object newValue) {\r
- //System.out.println(this + ": " + sender + ": " + newValue);\r
- ICanvasContext ctx = getContext();\r
- if (ctx != null && hasHighlight()) {\r
- //System.out.println(this + " HAS HIGHLIGHT");\r
- if (newValue == null || ((DiagramSelection) newValue).getSourceCanvas() != ctx) {\r
- //System.out.println(this + " REMOVING HIGHLIGHT");\r
- ctx.getThreadAccess().asyncExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- removeHighlight();\r
- }\r
- });\r
- }\r
- }\r
- }\r
- };\r
-\r
- private void addProjectListener(IProject observable) {\r
- if (observable != null) {\r
- observable.addKeyHintListener(KEY_DIAGRAM_SELECTION, projectDiagramSelectionListener);\r
- observedProject = observable;\r
- }\r
- }\r
-\r
- private void removeProjectListener() {\r
- if (observedProject != null) {\r
- observedProject.removeKeyHintListener(KEY_DIAGRAM_SELECTION, projectDiagramSelectionListener);\r
- observedProject = null;\r
- }\r
- }\r
-\r
- IProject getProject() {\r
- return Simantics.getProject();\r
- }\r
-\r
- IProject peekProject() {\r
- return Simantics.peekProject();\r
- }\r
-\r
- public DiagramSelection getClipboardDiagramSelection() {\r
- for (Set<Representation> content : Simantics.getClipboard().getContents()) {\r
- try {\r
- DiagramSelection sel = ClipboardUtils.accept(content, DiagramSelectionRepresentation.KEY_DIAGRAM_SELECTION);\r
- if (sel != null)\r
- return sel;\r
- } catch (DatabaseException e) {\r
- Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to retrieve clipboard content.", e));\r
- }\r
- }\r
- return DiagramSelection.EMPTY;\r
- }\r
-\r
- private DiagramSelection getProjectSelection() {\r
- IProject p = peekProject();\r
- if (p == null)\r
- return DiagramSelection.EMPTY;\r
- DiagramSelection ds = p.getHint(KEY_DIAGRAM_SELECTION);\r
- return ds != null ? ds : DiagramSelection.EMPTY;\r
- }\r
-\r
- void setDiagramSelection(DiagramSelection selection) {\r
- setProjectSelection(selection);\r
- strategy.copyToClipboard(selection);\r
- }\r
-\r
- void setProjectSelection(DiagramSelection selection) {\r
- assert selection != null;\r
- IProject p = getProject();\r
- if (p == null)\r
- throw new IllegalStateException("no active project for selection");\r
- clearSG();\r
- pasteWithoutMovingGhostCounter = 0;\r
- pasteOffset.setLocation(0, 0);\r
- p.setHint(KEY_DIAGRAM_SELECTION, selection);\r
- }\r
-\r
- private void removeProjectSelection() {\r
- setProjectSelection(DiagramSelection.EMPTY);\r
- removeHighlight();\r
- clearSG();\r
- setDirty();\r
- }\r
-\r
- /**\r
- * This DELETE command handler is required to remove any diagram selections\r
- * when modules are deleted. This will prevent extra highlight painting from\r
- * being left over in case a module marked for copying is deleted.\r
- */\r
- @EventHandler(priority = 100)\r
- public boolean handleDelete(CommandEvent e) {\r
- if (e.command.equals( Commands.DELETE) ) {\r
- if (highlightMode != null) {\r
- message(null);\r
- removeProjectSelection();\r
- return false;\r
- }\r
- }\r
- return false;\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleKey(org.simantics.scenegraph.g2d.events.KeyEvent e) {\r
- if (e.keyCode == KeyEvent.VK_CONTROL) {\r
- DiagramSelection ds = getProjectSelection();\r
- if (!ds.isEmpty()) {\r
- if (e instanceof KeyPressedEvent) {\r
- if (ds.isCut())\r
- message("Move selection");\r
- else\r
- message("Paste selection");\r
- updateSG(ds);\r
- } else if (e instanceof KeyReleasedEvent) {\r
- selectedMessage(ds);\r
- hideSG(ds);\r
- }\r
- setDirty();\r
- }\r
- }\r
- return false;\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleCommand(CommandEvent e) {\r
- if (e.command.equals( Commands.CANCEL) ) {\r
- DiagramSelection s = getProjectSelection();\r
- if (highlightMode != null || !s.isEmpty()) {\r
- message(null);\r
- removeProjectSelection();\r
- return true;\r
- }\r
- return false;\r
- }\r
- if (e.command.equals( Commands.CUT ) || e.command.equals( Commands.COPY )) {\r
- boolean ret = initiateCopy( e.command.equals( Commands.CUT ) );\r
- if (!ret)\r
- removeProjectSelection();\r
- return ret;\r
- }\r
- // Must have focus in order to paste! If mouse has left the editor, no\r
- // pastes should be performed.\r
- if (isPasteAllowed() && e.command.equals( Commands.PASTE )) {\r
- DiagramSelection ds = getClipboardDiagramSelection();\r
- if (ds.isEmpty()) {\r
- return tryPasteMonitors();\r
- }\r
- return paste(e.command, ds);\r
- }\r
- return false;\r
- }\r
-\r
- boolean initiateCopy(boolean cut) {\r
- //System.out.println("INITIATING COPY");\r
- int selectionId = 0;\r
-\r
- Set<IElement> ss = sel.getSelection(selectionId);\r
- Point2D copyPos = getCopyStartPos(ss);\r
- if (ss.isEmpty() || copyPos == null) {\r
- message("Nothing to " + (cut ? "cut" : "copy"));\r
- return false;\r
- }\r
-\r
- // Validate selection, don't initiate copy if selection is invalid.\r
- ElementAssortment ea = new ElementAssortment(ss);\r
- String error = fixAssortment(ea, cut);\r
-\r
- if (error != null) {\r
- message(error);\r
- return false;\r
- }\r
-\r
- pruneAssortment(ea, cut);\r
- if (ea.isEmpty()) {\r
- message("Nothing to " + (cut ? "cut" : "copy"));\r
- return false;\r
- }\r
-\r
- if (DEBUG)\r
- System.out.println("Start copy with " + ea);\r
-\r
- // Treat OTHER type elements as disconnected floating graphical elements\r
- // that are always copied.\r
-\r
- // Anything with connection parts cannot be copied\r
- if (!cut && ea.containsAny(CopyPasteUtil.CONNECTION_PARTS)) {\r
- error("Cannot copy connection segments nor branch points.");\r
- return false;\r
- }\r
-// if (ea.contains(CopyPasteUtil.MONITORS)) {\r
-// // TODO: allow copying of monitors, means fixing the component reference relations\r
-// error("Monitor " + (cut ? "cut" : "copy") + " not supported yet.");\r
-// return false;\r
-// }\r
-\r
- // Pre-validate flag selection cases\r
- if (ea.contains(CopyPasteUtil.FLAGS)) {\r
- if (cut) {\r
- // Allow cutting of single flags or cutting of any amount of\r
- // flags within a single diagram.\r
- } else {\r
-// // Deny flag copy if other kinds of elements are selected.\r
-// if (ea.containsAny(NOT_FLAGS)) {\r
-// return false;\r
-// }\r
- // Only copy flags without correspondence for now.\r
- if (CopyPasteUtil.isFlagsOnlySelection(ea)) {\r
- if (!CopyPasteUtil.checkFlagsCorrespondences(ea.flags, false)) {\r
- error("Cannot copy flag that already has a correspondence.");\r
- return false;\r
- }\r
- }\r
- }\r
- }\r
-\r
- // Selection is valid, go ahead and initiate a copy operation.\r
- Resource sourceDiagram = diagram.<Resource>getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
- DiagramSelection ds = new DiagramSelection(getContext(), sourceDiagram, ea.getAll(), cut, copyPos);\r
- setDiagramSelection(ds);\r
-\r
- removeHighlight();\r
- highlightMode = new HighlightMode(ds, selectionId, HIGHLIGHT_PAINT_PRIORITY);\r
- getContext().add(highlightMode);\r
-\r
- selectedMessage(ds);\r
-\r
-// System.out.println("INITIATED COPY: " + ds);\r
- return true;\r
- }\r
-\r
- public boolean paste(Command command, DiagramSelection ds) {\r
- if (ds.isEmpty()) {\r
- message(null);\r
- return false;\r
- }\r
- \r
- TimeLogger.resetTimeAndLog(getClass(), "paste");\r
-\r
- ElementObjectAssortment ea = ds.getAssortment();\r
-\r
- if (DEBUG)\r
- System.out.println("Initiate paste with " + ea);\r
-\r
- try {\r
- if (CopyPasteUtil.isFlagsOnlySelection(ea)) {\r
- // Do not copy if any of the flags already have a correspondence.\r
- if (!CopyPasteUtil.onlyFlagsWithoutCorrespondence(Simantics.getSession(), ea))\r
- return true;\r
-\r
- if (ds.isCut()) {\r
- normalPaste(command, ds, ea, true);\r
- removeHighlight();\r
- setDiagramSelection(DiagramSelection.EMPTY);\r
- resetSourceSelection(ds);\r
- } else {\r
- normalPaste(command, ds, ea, false);\r
- // There is no point in leaving the old copy selection hanging\r
- // around after copying a flag since it is a one shot operation.\r
- removeHighlight();\r
- setDiagramSelection(DiagramSelection.EMPTY);\r
- }\r
- } else {\r
- if (ds.isCut()) {\r
- normalPaste(command, ds, ea, true);\r
- removeHighlight();\r
- setDiagramSelection(DiagramSelection.EMPTY);\r
- resetSourceSelection(ds);\r
- } else {\r
- normalPaste(command, ds, ea, false);\r
-\r
-// // This is necessary to keep the ghost diagram properly up-to-date\r
-// // after paste operations.\r
-// setProjectSelection(ds.remutate());\r
- }\r
- }\r
-\r
- message(null);\r
-\r
- } catch (PasteException e) {\r
- error( e.getLocalizedMessage() );\r
- ErrorLogger.defaultLog( new Status(IStatus.INFO, Activator.PLUGIN_ID, "Problem in diagram paste operation, see exception for details.", e) );\r
- } catch (DatabaseException e) {\r
- error( e.getLocalizedMessage() );\r
- ErrorLogger.defaultLog( new Status(IStatus.INFO, Activator.PLUGIN_ID, "Problem in diagram paste operation, see exception for details.", e) );\r
- }\r
-\r
- // Clear ghosting\r
- clearSG();\r
- setDirty();\r
-\r
- return true;\r
- }\r
-\r
- /**\r
- * In cut/paste cases, the source selection should reset (removed) after the\r
- * paste operation has been performed. This method will reset the source\r
- * selection of the specified DiagramSelection from the source canvas\r
- * context. This will work regardless of which diagram/editor the selection\r
- * originates from.\r
- * \r
- * @param ds the source selection to reset\r
- */\r
- void resetSourceSelection(DiagramSelection ds) {\r
- ICanvasContext cc = ds.getSourceCanvas();\r
- boolean sameDiagram = diagram == ds.getSourceDiagram();\r
- if (!sameDiagram && cc != null && !cc.isDisposed()) {\r
- for (Selection sourceSelection : cc.getItemsByClass(Selection.class)) {\r
- Collection<IElement> empty = Collections.emptySet();\r
- sourceSelection.setSelection(0, empty);\r
- }\r
- }\r
- }\r
-\r
- private void normalPaste(Command command, DiagramSelection ds, ElementObjectAssortment ea, boolean cut) throws PasteException {\r
- final Point2D copyPos = ds.getCopyPos();\r
- final Point2D pastePos = getPastePos(ds);\r
-\r
- double dx = pastePos.getX() - copyPos.getX();\r
- double dy = pastePos.getY() - copyPos.getY();\r
- final Point2D pasteOffset = new Point2D.Double(dx, dy);\r
-\r
- try {\r
- // Get diagram contents before the paste operation\r
- Resource diagramResource = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
- final DiagramContentTracker tracker =\r
- diagramResource == null ?\r
- null\r
- : DiagramContentTracker.start(getContext(), Simantics.getSession(), diagramResource);\r
-\r
- strategy.paste(new PasteOperation(command, getContext(), ds.getSourceDiagram(), diagramResource, diagram, ea, cut, pasteOffset));\r
-\r
- if (tracker != null) {\r
- // Get difference of diagram contents to find out what was added.\r
- DiagramContentChanges changes = tracker.update();\r
- selectionUpdater.setNewSelection(0, changes.pick(changes.elements, Change.ADDED));\r
- if (DEBUG_SELECTION_UPDATE)\r
- System.out.println("stored diagram changes @" + System.currentTimeMillis() + ": " + selectionUpdater.getNewSelection());\r
- }\r
-\r
- } catch (DatabaseException e) {\r
- ErrorLogger.defaultLogError(e);\r
- }\r
- }\r
-\r
- private String fixAssortment(ElementAssortment ea, boolean cut) {\r
- Topology diagramTopology = diagram.getDiagramClass().getAtMostOneItemOfClass(Topology.class);\r
- List<Connection> conns = new ArrayList<Connection>();\r
-\r
- // Include flags whether they are selected or not\r
- for (IElement edge : ea.edges) {\r
- Connection bc = diagramTopology.getConnection(edge, EdgeEnd.Begin);\r
- if (bc != null && bc.node != null) {\r
- if (bc.node.getElementClass().getAtMostOneItemOfClass(FlagHandler.class) != null)\r
- ea.add(ElementType.Flag, bc.node);\r
- }\r
- Connection ec = diagramTopology.getConnection(edge, EdgeEnd.End);\r
- if (ec != null && ec.node != null) {\r
- if (ec.node.getElementClass().getAtMostOneItemOfClass(FlagHandler.class) != null)\r
- ea.add(ElementType.Flag, ec.node);\r
- }\r
- }\r
-\r
- // Include connections for selected flags if we're not potentially\r
- // making flag continuations.\r
- if (!CopyPasteUtil.isFlagsOnlySelection(ea)) {\r
- for (IElement flag : ea.flags) {\r
- conns.clear();\r
- diagramTopology.getConnections(flag, ElementUtils.getSingleTerminal(flag), conns);\r
- for (Connection conn : conns) {\r
- IElement edge = conn.edge;\r
- ConnectionEntity ce = edge.getHint(ElementHints.KEY_CONNECTION_ENTITY);\r
- ea.add(ElementType.Connection, ce.getConnection());\r
- }\r
- }\r
- }\r
-\r
- // For each selected connection, make sure that all connected elements\r
- // are in the selection, otherwise don't copy the connection.\r
- List<IElement> connectionsToRemove = new ArrayList<IElement>(ea.connections.size());\r
- for (IElement connection : ea.connections) {\r
- ConnectionHandler ch = connection.getElementClass().getSingleItem(ConnectionHandler.class);\r
- Collection<Connection> connectors = ch.getTerminalConnections(connection, null);\r
- boolean allConnectorsSelected = true;\r
- for (Connection c : connectors) {\r
- if (!(ea.nodes.contains(c.node) || ea.flags.contains(c.node) || ea.references.contains(c.node))) {\r
- allConnectorsSelected = false;\r
- break;\r
- }\r
- }\r
- if (!allConnectorsSelected)\r
- connectionsToRemove.add(connection);\r
- }\r
- ea.removeAll(ElementType.Connection, connectionsToRemove);\r
-\r
- // Remove external flags whose connection(s) are not included\r
- List<IElement> flagsToRemove = new ArrayList<IElement>(ea.flags.size());\r
- for (IElement flag : ea.flags) {\r
- if (CopyPasteUtil.flagIsExternal(flag)) {\r
- conns.clear();\r
- diagramTopology.getConnections(flag, ElementUtils.getSingleTerminal(flag), conns);\r
- for (Connection conn : conns) {\r
- IElement edge = conn.edge;\r
- ConnectionEntity ce = edge.getHint(ElementHints.KEY_CONNECTION_ENTITY);\r
- IElement connection = ce.getConnection();\r
- if (!ea.connections.contains(connection)) {\r
- flagsToRemove.add(flag);\r
- }\r
- }\r
- }\r
- }\r
- ea.removeAll(ElementType.Flag, flagsToRemove);\r
-\r
- if (cut) {\r
- // Issue #1874: Prevent cut/paste for connected components\r
- // https://www.simulationsite.net/redmine/issues/1874\r
- // Fail if any of the included nodes has connections to it that are not\r
- // included in the operation.\r
- Collection<Connection> connections = new ArrayList<Connection>();\r
- for (IElement node : CollectionUtils.join(ea.nodes, ea.flags)) {\r
- connections.clear();\r
- for (Connection connection : getAllConnections(node, connections)) {\r
- ConnectionEntity ce = connection.edge.getHint(ElementHints.KEY_CONNECTION_ENTITY);\r
- IElement conn = ce.getConnection();\r
- if (ea.connections.contains(conn))\r
- continue;\r
-\r
- return "Cannot cut a node without all its connections.";\r
- }\r
- }\r
- }\r
-\r
- // Remove all reference elements from the assortment whose parent elements are not in it.\r
- if (!cut) {\r
- Collection<IElement> referenceElementsToRemove = new ArrayList<IElement>();\r
- for (IElement ref : ea.references) {\r
- IElement parent = ref.getHint(ElementHints.KEY_PARENT_ELEMENT);\r
- if (parent != null) {\r
- if (!ea.all.contains(parent)) {\r
- // Cannot copy reference element whose parent is not copied also.\r
- referenceElementsToRemove.add(ref);\r
- }\r
- } else {\r
- // OK, reference element has no parent. Free to copy/cut in any way.\r
- }\r
- }\r
- if (!referenceElementsToRemove.isEmpty()) {\r
- ea.removeAll(ElementType.Reference, referenceElementsToRemove);\r
- if (ea.isEmpty()) {\r
- return "Cannot copy reference elements whose parent is not copied.";\r
- }\r
- }\r
- }\r
-\r
- return null;\r
- }\r
-\r
- private Collection<Terminal> getTerminals(IElement node) {\r
- ArrayList<Terminal> result = new ArrayList<Terminal>();\r
- for (TerminalTopology tt : node.getElementClass().getItemsByClass(TerminalTopology.class))\r
- tt.getTerminals(node, result);\r
- return result;\r
- }\r
-\r
- private Collection<Connection> getAllConnections(IElement node, Collection<Connection> result) {\r
- IDiagram diagram = node.getDiagram();\r
- Topology topology = diagram.getDiagramClass().getAtMostOneItemOfClass(Topology.class);\r
- if (topology == null)\r
- return result;\r
- for (Terminal t : getTerminals(node))\r
- topology.getConnections(node, t, result);\r
- return result;\r
- }\r
-\r
- /**\r
- * Classifies the specified diagram selection elements into categories\r
- * appointed by the <code>ElementType</code> enumeration and prunes any\r
- * edges from the selection returned assortment whose both ends are not\r
- * connected to nodes within the selection.\r
- *\r
- * @param ea\r
- * @return\r
- */\r
- private void pruneAssortment(ElementAssortment ea, boolean cut) {\r
- // Edges and branch points are never copied as such.\r
- // They are always included as parts of copied connections.\r
- // Edges can never be transformed or modified in any way as such,\r
- // therefore it is safe to do this.\r
- ea.clear(ElementType.Edge);\r
-\r
- if (!cut)\r
- ea.clear(ElementType.BranchPoint);\r
- }\r
-\r
- private Point2D getPastePos(DiagramSelection ds) {\r
- MouseInfo mi = mouseUtil.getMouseInfo(0);\r
- if (mi == null)\r
- mi = mouseInfo;\r
-\r
- if (mi != null) {\r
- double xoff = mi.canvasPosition.getX() - ds.getCopyPos().getX();\r
- double yoff = mi.canvasPosition.getY() - ds.getCopyPos().getY();\r
- if (xoff == pasteOffset.getX() && yoff == pasteOffset.getY()) {\r
- // The mouse has not moved since last paste so let's offset the\r
- // paste down and right.\r
- double counterOffset = getOffsetGridSize() * (++pasteWithoutMovingGhostCounter);\r
- return new Point2D.Double(\r
- mi.canvasPosition.getX() + counterOffset,\r
- mi.canvasPosition.getY() + counterOffset);\r
- }\r
- pasteWithoutMovingGhostCounter = 0;\r
- pasteOffset.setLocation(xoff, yoff);\r
- return mi.canvasPosition;\r
- } else {\r
- //return ds.getCopyPos();\r
- Point2D p = ds.getCopyPos();\r
- double counterOffset = getOffsetGridSize() * (++pasteWithoutMovingGhostCounter);\r
- return new Point2D.Double(\r
- p.getX() + pasteOffset.getX() + counterOffset,\r
- p.getY() + pasteOffset.getY() + counterOffset);\r
- }\r
- }\r
-\r
- private double getOffsetGridSize() {\r
- Double grid = getHint(GridPainter.KEY_GRID_SIZE);\r
- return (grid == null || grid == 0) ? 1.0 : grid;\r
- }\r
-\r
- /**\r
- * @param e\r
- * @return\r
- */\r
- private static boolean isConnectionOrEdge(IElement e) {\r
- ElementClass ec = e.getElementClass();\r
- return ec.containsClass(ConnectionHandler.class)|| ec.containsClass(BendsHandler.class);\r
- }\r
-\r
- /**\r
- * @param e\r
- * @return\r
- */\r
- private static boolean isMoveable(IElement e) {\r
- ElementClass ec = e.getElementClass();\r
- return ec.containsClass(Move.class) && ec.containsClass(Transform.class);\r
- }\r
-\r
- /**\r
- * @param ss\r
- * @return <code>null</code> if a point of reference cannot be determined\r
- * for the specified selection.\r
- */\r
- private Point2D getCopyStartPos(Set<IElement> ss) {\r
-// MouseInfo mi = mouseUtil.getMouseInfo(0);\r
-// if (mi != null) {\r
-// return (Point2D) mi.canvasPosition.clone();\r
-// }\r
-\r
- // Find bounding rectangle top left corner\r
- double mx = Double.MAX_VALUE;\r
- double my = Double.MAX_VALUE;\r
- for (IElement e : ss) {\r
- if (isConnectionOrEdge(e) || !isMoveable(e))\r
- continue;\r
-\r
- //Point2D pos = ElementUtils.getPos(e);\r
- Point2D pos = ElementUtils.getAbsolutePos(e);\r
- if (pos.getX() < mx)\r
- mx = pos.getX();\r
- if (pos.getY() < my)\r
- my = pos.getY();\r
- }\r
-\r
- // Find element nearest to the top left corner\r
- Point2D nearest = null;\r
- double dist = Double.MAX_VALUE;\r
- for (IElement e : ss) {\r
- if (isConnectionOrEdge(e) || !isMoveable(e))\r
- continue;\r
-\r
- Point2D pos = ElementUtils.getAbsolutePos(e);\r
- double dx = pos.getX() - mx;\r
- double dy = pos.getY() - my;\r
- double d = dx*dx + dy*dy;\r
- if (d < dist) {\r
- dist = d;\r
- nearest = pos;\r
- }\r
- }\r
-\r
- return nearest;\r
- }\r
-\r
- private void moveGhostElements(DiagramSelection ds, Point2D pastePos) {\r
- Point2D copyPos = ds.getCopyPos();\r
- double dx = (pastePos.getX() - copyPos.getX());\r
- double dy = (pastePos.getY() - copyPos.getY());\r
-\r
- // Snap delta\r
- Point2D snap = CopyPasteUtil.snap(getContext(), new Point2D.Double(dx, dy));\r
-\r
- ghostNode.setTransform(AffineTransform.getTranslateInstance(snap.getX(), snap.getY()));\r
- //System.out.println("ghost node: " + ghostNode);\r
- }\r
-\r
- protected SingleElementNode ghostNode = null;\r
- protected NodeMapper ghostNodeMapper = new NodeMapper();\r
-\r
- @SGInit\r
- public void initSG(G2DParentNode parent) {\r
- ghostNode = parent.addNode("cut/copy ghost", SingleElementNode.class);\r
- ghostNode.setZIndex(COPY_GHOSTING_PAINT_PRIORITY);\r
- //ghostNode.setComposite(AlphaComposite.SrcOver.derive(0.40f));\r
- ghostNode.setVisible(Boolean.FALSE);\r
- }\r
-\r
- @SGCleanup\r
- public void cleanupSG() {\r
- ghostNode.remove();\r
- }\r
-\r
- void clearSG() {\r
- ghostNode.removeNodes();\r
- ghostNode.setVisible(Boolean.FALSE);\r
- ghostNodeMapper.clear();\r
- }\r
-\r
- /**\r
- * @param selection\r
- * @return <code>true</code> if the ghost nodes were hidden and a refresh is\r
- * needed\r
- */\r
- boolean hideSG(DiagramSelection selection) {\r
- if (ghostNode.isVisible()) {\r
- // Make sure there's no leftover graphics.\r
- ghostNode.removeNodes();\r
- ghostNode.setVisible(Boolean.FALSE);\r
- return true;\r
- }\r
- return false;\r
- }\r
-\r
- protected void scheduleActivateOwnerPart() {\r
- if (mPart == null)\r
- return;\r
- SWTUtils.asyncExec(PlatformUI.getWorkbench().getDisplay(), new Runnable() {\r
- @Override\r
- public void run() {\r
- hasFocus = true;\r
- mPart.getContext().get(EPartService.class).activate(mPart);\r
- }\r
- });\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleMouse(MouseExitEvent e) {\r
- DiagramSelection ds = getProjectSelection();\r
- if (!ds.isEmpty()) {\r
- if (hideSG(ds))\r
- setDirty();\r
- }\r
-\r
- // The part might no longer have focus.\r
- // [Tuukka] commented out to fix Apros #3678\r
- //hasFocus = false;\r
-\r
- return false;\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleMouse(MouseEnterEvent e) {\r
- DiagramSelection ds = getProjectSelection();\r
- if (!ds.isEmpty()) {\r
- if (mPart != null) {\r
- if (inPasteMode(e)) {\r
- scheduleActivateOwnerPart();\r
- }\r
- }\r
- }\r
- return false;\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleMouse(MouseMovedEvent e) {\r
- DiagramSelection ds = getProjectSelection();\r
- if (!ds.isEmpty()) {\r
- MouseInfo mi = mouseUtil.getMouseInfo(0);\r
- //System.out.println("LAST MOUSE INFO: " + mi);\r
- if (mi != null)\r
- mouseInfo = mi;\r
-\r
- if (inPasteMode(e)) {\r
- // Make sure that this owner part is active now.\r
- if (!hasFocus)\r
- scheduleActivateOwnerPart();\r
-\r
- updateSG(ds);\r
- setDirty();\r
- } else {\r
- if (hideSG(ds))\r
- setDirty();\r
- }\r
- }\r
- return false;\r
- }\r
-\r
- void updateSG(DiagramSelection selection) {\r
- MouseInfo mi = mouseUtil.getMouseInfo(0);\r
- if (mi == null)\r
- return;\r
-\r
- //ghostNode.setComposite(AlphaComposite.SrcAtop.derive(0.40f));\r
- //ghostNode.setComposite(null);\r
-\r
- moveGhostElements(selection, mi.canvasPosition);\r
- if (selection.getSourceCanvas() != getContext()) {\r
- for (IElement e : selection.getOriginalElements()) {\r
- INode node = e.getHint(ElementHints.KEY_SG_NODE);\r
- //System.out.println("ghost element: " + e + ", node=" + node);\r
- if (node instanceof IG2DNode) {\r
- LocalDelegateNode delegate = getOrCreateNode(ghostNode, ElementUtils.generateNodeId(e),\r
- LocalDelegateNode.class);\r
- delegate.setDelegate( (IG2DNode) node );\r
- }\r
- }\r
- } else {\r
- for (IElement e : selection.getOriginalElements()) {\r
- //System.out.println("ghost element: " + e);\r
- INode node = e.getHint(ElementHints.KEY_SG_NODE);\r
- if (node != null) {\r
- //System.out.println("ghost node: " + node);\r
- ghostNodeMapper.add(node);\r
- String nodeId = ghostNodeMapper.getId(node);\r
- //System.out.println("ghost node id: " + nodeId);\r
- LinkNode delegate = getOrCreateNode(ghostNode, ElementUtils.generateNodeId(e), LinkNode.class);\r
- delegate.setDelegateId( nodeId );\r
- }\r
- }\r
- }\r
-\r
- ghostNode.setVisible(true);\r
- }\r
-\r
- private <T extends INode> T getOrCreateNode(ParentNode<?> parentNode, String id, Class<T> clazz) {\r
- INode n = ghostNode.getNode(id);\r
- if (clazz.isInstance(n))\r
- return clazz.cast(n);\r
- ghostNode.removeNode(id);\r
- return ghostNode.addNode(id, clazz);\r
- }\r
-\r
- private boolean hasHighlight() {\r
- return highlightMode != null;\r
- }\r
-\r
- private void removeHighlight() {\r
- if (isRemoved())\r
- return;\r
- assert getContext().getThreadAccess().currentThreadAccess();\r
- if (highlightMode != null) {\r
- if (!highlightMode.isRemoved()) {\r
- highlightMode.remove();\r
- setDirty();\r
- }\r
- highlightMode = null;\r
- }\r
- }\r
-\r
- private boolean inPasteMode(MouseEvent e) {\r
- return (e.stateMask & MouseEvent.CTRL_MASK) != 0;\r
- }\r
-\r
- void selectedMessage(DiagramSelection ds) {\r
- int size = ds.getOriginalElements().size();\r
- StringBuilder sb = new StringBuilder();\r
- if (size == 0) {\r
- sb.append("No elements to ");\r
- if (ds.isCut())\r
- sb.append("cut");\r
- else\r
- sb.append("copy");\r
- } else {\r
- if (ds.isCut())\r
- sb.append("Cut ");\r
- else\r
- sb.append("Copied ");\r
- sb.append(size);\r
- sb.append(" element");\r
- if (size > 1)\r
- sb.append('s');\r
- }\r
- message(sb.toString());\r
- }\r
-\r
- void message(final String message) {\r
- if (statusLine == null)\r
- return;\r
- swtExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- statusLine.setMessage(message);\r
- statusLine.setErrorMessage(null);\r
- }\r
- });\r
- }\r
-\r
- void error(final String message) {\r
- if (statusLine == null)\r
- return;\r
- swtExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- statusLine.setErrorMessage(message);\r
- }\r
- });\r
- }\r
-\r
- void swtExec(Runnable r) {\r
- ThreadUtils.asyncExec(SWTThread.getThreadAccess(Display.getDefault()), r);\r
- }\r
-\r
- // MONITOR PASTE SUPPORT\r
-\r
- private boolean tryPasteMonitors() {\r
- SimanticsClipboard clipboard = Simantics.getClipboard();\r
- for (Set<Representation> content : clipboard.getContents()) {\r
- try {\r
- final Variable var_ = ClipboardUtils.accept(content, SimanticsKeys.KEY_VARIABLE);\r
- if (var_ != null) {\r
- final Resource diagramResource = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
- final Resource runtime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);\r
- final Resource elementResource = Simantics.getSession().syncRequest(new Read<Resource>() {\r
- @Override\r
- public Resource perform(ReadGraph graph) throws DatabaseException {\r
- DiagramResource DIA = DiagramResource.getInstance(graph);\r
-\r
- String diagramVariable = graph.getPossibleRelatedValue(runtime, DIA.RuntimeDiagram_HasVariable);\r
- if (diagramVariable == null)\r
- return null;\r
-\r
- Variable diaVar = Variables.getPossibleVariable(graph, diagramVariable);\r
- if (diaVar == null)\r
- return null;\r
-\r
- Variable var = Variables.switchRealization(graph, var_, Variables.getRealization(graph, diaVar));\r
- if(var == null)\r
- return null;\r
-\r
- Variable component = Variables.getChild(graph, diaVar, var);\r
- if (component == null)\r
- return null;\r
-\r
- Resource componentResource = component.getPossibleRepresents(graph);\r
- if (componentResource == null)\r
- return null;\r
-\r
- return graph.getPossibleObject(componentResource, ModelingResources.getInstance(graph).ComponentToElement);\r
- }\r
- });\r
-\r
- if (elementResource == null)\r
- return false;\r
-\r
- final AffineTransform monitorTransform = Simantics.getSession().syncRequest(new Read<AffineTransform>() {\r
- @Override\r
- public AffineTransform perform(ReadGraph graph) throws DatabaseException {\r
- AffineTransform at = null;\r
-\r
- if (graph.isInstanceOf(elementResource, DiagramResource.getInstance(graph).Connection)) {\r
- Resource tailNode = ConnectionUtil.getConnectionTailNode(graph, elementResource);\r
- if (tailNode != null) {\r
- at = DiagramGraphUtil.getAffineTransform(graph, tailNode);\r
- }\r
- }\r
- if (at == null)\r
- at = DiagramGraphUtil.getAffineTransform(graph, elementResource);\r
-\r
- return at;\r
- }\r
- });\r
-\r
- MouseInfo mi = mouseUtil.getMouseInfo(0);\r
- if (mi == null)\r
- mi = mouseInfo;\r
- final double dx = mi.canvasPosition.getX() - monitorTransform.getTranslateX();\r
- final double dy = mi.canvasPosition.getY() - monitorTransform.getTranslateY();\r
-\r
- Simantics.getSession().asyncRequest(new WriteRequest() {\r
-\r
- @Override\r
- public void perform(WriteGraph graph) throws DatabaseException {\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- Layer0X L0X = Layer0X.getInstance(graph);\r
- DiagramResource DIA = DiagramResource.getInstance(graph);\r
- G2DResource G2D = G2DResource.getInstance(graph);\r
-\r
- String diagramVariable = graph.getPossibleRelatedValue(runtime, DIA.RuntimeDiagram_HasVariable);\r
- if (diagramVariable == null)\r
- return;\r
-\r
- Variable diaVar = Variables.getPossibleVariable(graph, diagramVariable);\r
- if (diaVar == null)\r
- return;\r
-\r
- Variable var = Variables.switchRealization(graph, var_, Variables.getRealization(graph, diaVar));\r
- if(var == null)\r
- return;\r
-\r
- Variable component = Variables.getChild(graph, diaVar, var);\r
- if (component == null)\r
- return;\r
-\r
- Resource componentResource = component.getPossibleRepresents(graph);\r
- if (componentResource == null)\r
- return;\r
-\r
- String suffix = Variables.getRVI(graph, component, var);\r
-\r
- Resource resource = graph.newResource();\r
- graph.claim(resource, L0.InstanceOf, null, DIA.Monitor);\r
-\r
- final double scale = monitorScale;\r
-\r
- DiagramGraphUtil.setTransform(graph, resource, new AffineTransform(scale, 0, 0, scale, dx, dy));\r
-\r
- OrderedSetUtils.add(graph, diagramResource, resource);\r
-\r
- // 5.1. Give running name to element and increment the counter attached to the diagram.\r
- Long l = graph.getPossibleRelatedValue(diagramResource, DIA.HasModCount, Bindings.LONG);\r
- if (l == null)\r
- l = Long.valueOf(0L);\r
- graph.claimLiteral(resource, L0.HasName, l.toString(), Bindings.STRING);\r
- graph.claimLiteral(diagramResource, DIA.HasModCount, ++l, Bindings.LONG);\r
-\r
- // 5.2. Make the diagram consist of the new element\r
- graph.claim(diagramResource, L0.ConsistsOf, resource);\r
-\r
- graph.claim(resource, G2D.HasHorizontalAlignment, null, G2D.Alignment_Leading);\r
- graph.claimLiteral(resource, DIA.HasDirection, 0.0);\r
-\r
- graph.claim(resource, DIA.HasMonitorComponent, componentResource);\r
- graph.claimLiteral(resource, DIA.HasMonitorSuffix, suffix);\r
-\r
- Resource model = Variables.getModel(graph, diaVar);\r
- if (model != null) {\r
- Resource template = graph.getPossibleObject(model, DIA.HasDefaultMonitorTemplate);\r
- if (template != null) {\r
- graph.claim(resource, L0X.ObtainsProperty1, null, template);\r
- }\r
- }\r
- \r
- }\r
- });\r
- }\r
- } catch (DatabaseException e1) {\r
- Logger.defaultLogError(e1);\r
- }\r
- }\r
- return true;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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
+ *******************************************************************************/
+package org.simantics.diagram.handler.e4;
+
+import java.awt.Color;
+import java.awt.event.KeyEvent;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Point2D;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.workbench.modeling.EPartService;
+import org.eclipse.e4.ui.workbench.modeling.IPartListener;
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.PlatformUI;
+import org.simantics.Simantics;
+import org.simantics.databoard.Bindings;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.common.utils.OrderedSetUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.util.ClipboardUtils;
+import org.simantics.db.layer0.util.SimanticsClipboard;
+import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
+import org.simantics.db.layer0.util.SimanticsKeys;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.db.request.Read;
+import org.simantics.diagram.content.Change;
+import org.simantics.diagram.content.ConnectionUtil;
+import org.simantics.diagram.content.DiagramContentChanges;
+import org.simantics.diagram.content.DiagramContentTracker;
+import org.simantics.diagram.handler.CopyPasteStrategy;
+import org.simantics.diagram.handler.CopyPasteUtil;
+import org.simantics.diagram.handler.DefaultCopyPasteStrategy;
+import org.simantics.diagram.handler.DiagramSelection;
+import org.simantics.diagram.handler.DiagramSelectionRepresentation;
+import org.simantics.diagram.handler.ElementAssortment;
+import org.simantics.diagram.handler.ElementObjectAssortment;
+import org.simantics.diagram.handler.ElementType;
+import org.simantics.diagram.handler.HighlightMode;
+import org.simantics.diagram.handler.PasteException;
+import org.simantics.diagram.handler.PasteOperation;
+import org.simantics.diagram.internal.Activator;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.diagram.stubs.G2DResource;
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
+import org.simantics.diagram.synchronization.runtime.DiagramSelectionUpdater;
+import org.simantics.diagram.ui.DiagramModelHints;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
+import org.simantics.g2d.canvas.impl.SGNodeReflection.SGCleanup;
+import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;
+import org.simantics.g2d.connection.ConnectionEntity;
+import org.simantics.g2d.connection.handler.ConnectionHandler;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.diagram.handler.Topology;
+import org.simantics.g2d.diagram.handler.Topology.Connection;
+import org.simantics.g2d.diagram.handler.Topology.Terminal;
+import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
+import org.simantics.g2d.diagram.participant.Selection;
+import org.simantics.g2d.element.ElementClass;
+import org.simantics.g2d.element.ElementHints;
+import org.simantics.g2d.element.ElementUtils;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.element.handler.BendsHandler;
+import org.simantics.g2d.element.handler.EdgeVisuals.EdgeEnd;
+import org.simantics.g2d.element.handler.Move;
+import org.simantics.g2d.element.handler.TerminalTopology;
+import org.simantics.g2d.element.handler.Transform;
+import org.simantics.g2d.elementclass.FlagHandler;
+import org.simantics.g2d.participant.GridPainter;
+import org.simantics.g2d.participant.MouseUtil;
+import org.simantics.g2d.participant.MouseUtil.MouseInfo;
+import org.simantics.layer0.Layer0;
+import org.simantics.modeling.ModelingResources;
+import org.simantics.operation.Layer0X;
+import org.simantics.project.IProject;
+import org.simantics.scenegraph.INode;
+import org.simantics.scenegraph.ParentNode;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.g2d.IG2DNode;
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
+import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;
+import org.simantics.scenegraph.g2d.events.KeyEvent.KeyReleasedEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseEnterEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseExitEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;
+import org.simantics.scenegraph.g2d.events.command.Command;
+import org.simantics.scenegraph.g2d.events.command.CommandEvent;
+import org.simantics.scenegraph.g2d.events.command.Commands;
+import org.simantics.scenegraph.g2d.nodes.LinkNode;
+import org.simantics.scenegraph.g2d.nodes.LocalDelegateNode;
+import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
+import org.simantics.scenegraph.utils.NodeMapper;
+import org.simantics.utils.datastructures.collections.CollectionUtils;
+import org.simantics.utils.datastructures.hints.HintListenerAdapter;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+import org.simantics.utils.datastructures.hints.IHintListener;
+import org.simantics.utils.datastructures.hints.IHintObservable;
+import org.simantics.utils.logging.TimeLogger;
+import org.simantics.utils.threads.SWTThread;
+import org.simantics.utils.threads.ThreadUtils;
+import org.simantics.utils.ui.ErrorLogger;
+import org.simantics.utils.ui.SWTUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * CopyPasteHandler is a canvas handler for Commands.CUT, Commands.COPY and
+ * Commands.PASTE commands for an IDiagram.
+ *
+ * <p>
+ * The handler attempts to copy/paste the current selection for pointer 0,
+ * meaning {@link Selection#SELECTION0}.
+ * </p>
+ *
+ * <p>
+ * The handler logic follows the specifications at <a
+ * href="http://www.simantics.org/wiki/index.php/UC:Copy_Item" >UC:Copy Item</a>
+ * and <a href="http://www.simantics.org/wiki/index.php/UC:Cut_Item" >UC:Cut
+ * Item</a>.
+ * </p>
+ *
+ * @see Selection current diagram selection source
+ *
+ * @author Tuukka Lehtonen
+ *
+ * FIXME: translucent ghosting makes rendering REALLY sluggish, add a
+ * timer that makes the ghost opaque when the user is interacting and
+ * translucent only when still for a while.
+ */
+public class CopyPasteHandler extends AbstractDiagramParticipant {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(CopyPasteHandler.class);
+
+ public static final Key KEY_CUT_SELECTION_FRAME_COLOR = new KeyOf(Color.class, "CUT_SELECTION_FRAME_COLOR");
+ public static final Key KEY_CUT_SELECTION_CONTENT_COLOR = new KeyOf(Color.class, "CUT_SELECTION_CONTENT_COLOR");
+ public static final Key KEY_COPIED_SELECTION_FRAME_COLOR = new KeyOf(Color.class, "COPY_SELECTION_FRAME_COLOR");
+ public static final Key KEY_COPIED_SELECTION_CONTENT_COLOR = new KeyOf(Color.class, "COPY_SELECTION_CONTENT_COLOR");
+
+ /**
+ * A key for storing the current selection within the currently active
+ * project for copy/paste implementation.
+ */
+ private static final Key KEY_DIAGRAM_SELECTION = DiagramSelectionRepresentation.KEY_DIAGRAM_SELECTION;
+
+ private static final boolean DEBUG = false;
+ private static final boolean DEBUG_SELECTION_UPDATE = false;
+
+ public static final int COPY_GHOSTING_PAINT_PRIORITY = 600;
+
+ private static final int HIGHLIGHT_PAINT_PRIORITY = 500;
+
+ @Dependency
+ private Selection sel;
+ @Dependency
+ private MouseUtil mouseUtil;
+
+ protected final IStatusLineManager statusLine;
+ protected final CopyPasteStrategy strategy;
+ protected MPart mPart;
+ protected MPart listenedMPart;
+
+ /**
+ * Workbench part listener for {@link #listenedMPart} to keep proper track of
+ * whether this part is focused or not.
+ */
+
+ IPartListener partListener2 = new IPartListener() {
+
+ @Override
+ public void partVisible(MPart part) {
+ }
+
+ @Override
+ public void partHidden(MPart part) {
+ // Make sure this listener is removed properly in any case.
+ if (listenedMPart != null) {
+ mPart.getContext().get(EPartService.class).removePartListener(partListener2);
+ listenedMPart = null;
+ }
+ }
+
+ @Override
+ public void partDeactivated(MPart part) {
+ if (part == mPart)
+ hasFocus = false;
+ }
+
+ @Override
+ public void partBroughtToTop(MPart part) {
+ }
+
+ @Override
+ public void partActivated(MPart part) {
+ if (part == mPart)
+ hasFocus = true;
+ }
+ };
+
+ /**
+ * Indicates whether CopyPasteHandler thinks that {@link #mPart} has focus.
+ */
+ protected boolean hasFocus = false;
+
+ private AbstractCanvasParticipant highlightMode = null;
+ private IProject observedProject = null;
+
+ /**
+ * A counter for how many times pasting has been performed without mouse and
+ * ghosting or how many times paste has been performed without moving the
+ * mouse on the diagram. This is used to offset the paste position
+ * accordingly so that copied elements don't wind up directly on top of each
+ * other.
+ */
+ private int pasteWithoutMovingGhostCounter = 0;
+
+ /**
+ * An offset used when pasting without mouse/ghosting. It forces keyboard
+ * pastes to stack up on top of the latest paste performed with
+ * mouse/ghosting.
+ */
+ private final Point2D pasteOffset = new Point2D.Double(0, 0);
+
+ /**
+ * Stores the last MouseInfo for mouse 0 from the time of the previous
+ * received mouse event. Used for deciding the paste position.
+ *
+ * @see #getPastePos(DiagramSelection)
+ */
+ private MouseInfo mouseInfo;
+
+ /**
+ * Scale to use for pasted diagram monitors from variables.
+ */
+ private double monitorScale = 0.2;
+
+ /**
+ * For updating the diagram selection after graph changes.
+ */
+ private DiagramSelectionUpdater selectionUpdater = null;
+
+ public CopyPasteHandler() {
+ this(new DefaultCopyPasteStrategy());
+ }
+
+ public CopyPasteHandler(CopyPasteStrategy strategy) {
+ this(strategy, null);
+ }
+
+ public CopyPasteHandler(IStatusLineManager statusLine) {
+ this(new DefaultCopyPasteStrategy(), statusLine);
+ }
+
+ public CopyPasteHandler(CopyPasteStrategy strategy, IStatusLineManager statusLine) {
+ this.strategy = strategy != null ? strategy : new DefaultCopyPasteStrategy();
+ this.statusLine = statusLine;
+ }
+
+ public CopyPasteHandler(CopyPasteStrategy strategy, IStatusLineManager statusLine, double monitorScale) {
+ this.strategy = strategy != null ? strategy : new DefaultCopyPasteStrategy();
+ this.statusLine = statusLine;
+ setMonitorScale(monitorScale);
+ }
+
+ public CopyPasteHandler setMonitorScale(double scale) {
+ this.monitorScale = scale;
+ return this;
+ }
+
+ public CopyPasteHandler setWorkbenchSite(MPart part) {
+ this.mPart = part;
+ return this;
+ }
+
+ protected boolean isPasteAllowed() {
+ return listenedMPart == null || hasFocus;
+ }
+
+ @Override
+ public void addedToContext(ICanvasContext ctx) {
+ super.addedToContext(ctx);
+ addProjectListener(peekProject());
+
+ listenedMPart = mPart;
+ if (listenedMPart != null) {
+ listenedMPart.getContext().get(EPartService.class).addPartListener(partListener2);
+ }
+ }
+
+ @Override
+ public void removedFromContext(ICanvasContext ctx) {
+ // Remove project selection if its ours to prevent leaking memory.
+ DiagramSelection ds = getProjectSelection();
+ if (ds.getSourceCanvas() == ctx) {
+ removeProjectSelection();
+ }
+
+ if (listenedMPart != null) {
+ listenedMPart.getContext().get(EPartService.class).removePartListener(partListener2);
+ listenedMPart = null;
+ }
+
+ removeProjectListener();
+ super.removedFromContext(ctx);
+ }
+
+ @Override
+ protected void onDiagramSet(IDiagram newDiagram, IDiagram oldDiagram) {
+ if (oldDiagram != null) {
+ if (selectionUpdater != null) {
+ selectionUpdater.untrack();
+ selectionUpdater = null;
+ }
+ }
+ if (newDiagram != null) {
+ selectionUpdater = new DiagramSelectionUpdater(getContext(), newDiagram).track();
+ }
+ }
+
+ IHintListener projectDiagramSelectionListener = new HintListenerAdapter() {
+ @Override
+ public void hintChanged(IHintObservable sender, Key key, Object oldValue, final Object newValue) {
+ //System.out.println(this + ": " + sender + ": " + newValue);
+ ICanvasContext ctx = getContext();
+ if (ctx != null && hasHighlight()) {
+ //System.out.println(this + " HAS HIGHLIGHT");
+ if (newValue == null || ((DiagramSelection) newValue).getSourceCanvas() != ctx) {
+ //System.out.println(this + " REMOVING HIGHLIGHT");
+ ctx.getThreadAccess().asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ removeHighlight();
+ }
+ });
+ }
+ }
+ }
+ };
+
+ private void addProjectListener(IProject observable) {
+ if (observable != null) {
+ observable.addKeyHintListener(KEY_DIAGRAM_SELECTION, projectDiagramSelectionListener);
+ observedProject = observable;
+ }
+ }
+
+ private void removeProjectListener() {
+ if (observedProject != null) {
+ observedProject.removeKeyHintListener(KEY_DIAGRAM_SELECTION, projectDiagramSelectionListener);
+ observedProject = null;
+ }
+ }
+
+ IProject getProject() {
+ return Simantics.getProject();
+ }
+
+ IProject peekProject() {
+ return Simantics.peekProject();
+ }
+
+ public DiagramSelection getClipboardDiagramSelection() {
+ for (Set<Representation> content : Simantics.getClipboard().getContents()) {
+ try {
+ DiagramSelection sel = ClipboardUtils.accept(content, DiagramSelectionRepresentation.KEY_DIAGRAM_SELECTION);
+ if (sel != null)
+ return sel;
+ } catch (DatabaseException e) {
+ Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to retrieve clipboard content.", e));
+ }
+ }
+ return DiagramSelection.EMPTY;
+ }
+
+ private DiagramSelection getProjectSelection() {
+ IProject p = peekProject();
+ if (p == null)
+ return DiagramSelection.EMPTY;
+ DiagramSelection ds = p.getHint(KEY_DIAGRAM_SELECTION);
+ return ds != null ? ds : DiagramSelection.EMPTY;
+ }
+
+ void setDiagramSelection(DiagramSelection selection) {
+ setProjectSelection(selection);
+ strategy.copyToClipboard(selection);
+ }
+
+ void setProjectSelection(DiagramSelection selection) {
+ assert selection != null;
+ IProject p = getProject();
+ if (p == null)
+ throw new IllegalStateException("no active project for selection");
+ clearSG();
+ pasteWithoutMovingGhostCounter = 0;
+ pasteOffset.setLocation(0, 0);
+ p.setHint(KEY_DIAGRAM_SELECTION, selection);
+ }
+
+ private void removeProjectSelection() {
+ setProjectSelection(DiagramSelection.EMPTY);
+ removeHighlight();
+ clearSG();
+ setDirty();
+ }
+
+ /**
+ * This DELETE command handler is required to remove any diagram selections
+ * when modules are deleted. This will prevent extra highlight painting from
+ * being left over in case a module marked for copying is deleted.
+ */
+ @EventHandler(priority = 100)
+ public boolean handleDelete(CommandEvent e) {
+ if (e.command.equals( Commands.DELETE) ) {
+ if (highlightMode != null) {
+ message(null);
+ removeProjectSelection();
+ return false;
+ }
+ }
+ return false;
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleKey(org.simantics.scenegraph.g2d.events.KeyEvent e) {
+ if (e.keyCode == KeyEvent.VK_CONTROL) {
+ DiagramSelection ds = getProjectSelection();
+ if (!ds.isEmpty()) {
+ if (e instanceof KeyPressedEvent) {
+ if (ds.isCut())
+ message("Move selection");
+ else
+ message("Paste selection");
+ updateSG(ds);
+ } else if (e instanceof KeyReleasedEvent) {
+ selectedMessage(ds);
+ hideSG(ds);
+ }
+ setDirty();
+ }
+ }
+ return false;
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleCommand(CommandEvent e) {
+ if (e.command.equals( Commands.CANCEL) ) {
+ DiagramSelection s = getProjectSelection();
+ if (highlightMode != null || !s.isEmpty()) {
+ message(null);
+ removeProjectSelection();
+ return true;
+ }
+ return false;
+ }
+ if (e.command.equals( Commands.CUT ) || e.command.equals( Commands.COPY )) {
+ boolean ret = initiateCopy( e.command.equals( Commands.CUT ) );
+ if (!ret)
+ removeProjectSelection();
+ return ret;
+ }
+ // Must have focus in order to paste! If mouse has left the editor, no
+ // pastes should be performed.
+ if (isPasteAllowed() && e.command.equals( Commands.PASTE )) {
+ DiagramSelection ds = getClipboardDiagramSelection();
+ if (ds.isEmpty()) {
+ return tryPasteMonitors();
+ }
+ return paste(e.command, ds);
+ }
+ return false;
+ }
+
+ boolean initiateCopy(boolean cut) {
+ //System.out.println("INITIATING COPY");
+ int selectionId = 0;
+
+ Set<IElement> ss = sel.getSelection(selectionId);
+ Point2D copyPos = getCopyStartPos(ss);
+ if (ss.isEmpty() || copyPos == null) {
+ message("Nothing to " + (cut ? "cut" : "copy"));
+ return false;
+ }
+
+ // Validate selection, don't initiate copy if selection is invalid.
+ ElementAssortment ea = new ElementAssortment(ss);
+ String error = fixAssortment(ea, cut);
+
+ if (error != null) {
+ message(error);
+ return false;
+ }
+
+ pruneAssortment(ea, cut);
+ if (ea.isEmpty()) {
+ message("Nothing to " + (cut ? "cut" : "copy"));
+ return false;
+ }
+
+ if (DEBUG)
+ System.out.println("Start copy with " + ea);
+
+ // Treat OTHER type elements as disconnected floating graphical elements
+ // that are always copied.
+
+ // Anything with connection parts cannot be copied
+ if (!cut && ea.containsAny(CopyPasteUtil.CONNECTION_PARTS)) {
+ error("Cannot copy connection segments nor branch points.");
+ return false;
+ }
+// if (ea.contains(CopyPasteUtil.MONITORS)) {
+// // TODO: allow copying of monitors, means fixing the component reference relations
+// error("Monitor " + (cut ? "cut" : "copy") + " not supported yet.");
+// return false;
+// }
+
+ // Pre-validate flag selection cases
+ if (ea.contains(CopyPasteUtil.FLAGS)) {
+ if (cut) {
+ // Allow cutting of single flags or cutting of any amount of
+ // flags within a single diagram.
+ } else {
+// // Deny flag copy if other kinds of elements are selected.
+// if (ea.containsAny(NOT_FLAGS)) {
+// return false;
+// }
+ // Only copy flags without correspondence for now.
+ if (CopyPasteUtil.isFlagsOnlySelection(ea)) {
+ if (!CopyPasteUtil.checkFlagsCorrespondences(ea.flags, false)) {
+ error("Cannot copy flag that already has a correspondence.");
+ return false;
+ }
+ }
+ }
+ }
+
+ // Selection is valid, go ahead and initiate a copy operation.
+ Resource sourceDiagram = diagram.<Resource>getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);
+ DiagramSelection ds = new DiagramSelection(getContext(), sourceDiagram, ea.getAll(), cut, copyPos);
+ setDiagramSelection(ds);
+
+ removeHighlight();
+ highlightMode = new HighlightMode(ds, selectionId, HIGHLIGHT_PAINT_PRIORITY);
+ getContext().add(highlightMode);
+
+ selectedMessage(ds);
+
+// System.out.println("INITIATED COPY: " + ds);
+ return true;
+ }
+
+ public boolean paste(Command command, DiagramSelection ds) {
+ if (ds.isEmpty()) {
+ message(null);
+ return false;
+ }
+
+ TimeLogger.resetTimeAndLog(getClass(), "paste");
+
+ ElementObjectAssortment ea = ds.getAssortment();
+
+ if (DEBUG)
+ System.out.println("Initiate paste with " + ea);
+
+ try {
+ if (CopyPasteUtil.isFlagsOnlySelection(ea)) {
+ // Do not copy if any of the flags already have a correspondence.
+ if (!CopyPasteUtil.onlyFlagsWithoutCorrespondence(Simantics.getSession(), ea))
+ return true;
+
+ if (ds.isCut()) {
+ normalPaste(command, ds, ea, true);
+ removeHighlight();
+ setDiagramSelection(DiagramSelection.EMPTY);
+ resetSourceSelection(ds);
+ } else {
+ normalPaste(command, ds, ea, false);
+ // There is no point in leaving the old copy selection hanging
+ // around after copying a flag since it is a one shot operation.
+ removeHighlight();
+ setDiagramSelection(DiagramSelection.EMPTY);
+ }
+ } else {
+ if (ds.isCut()) {
+ normalPaste(command, ds, ea, true);
+ removeHighlight();
+ setDiagramSelection(DiagramSelection.EMPTY);
+ resetSourceSelection(ds);
+ } else {
+ normalPaste(command, ds, ea, false);
+
+// // This is necessary to keep the ghost diagram properly up-to-date
+// // after paste operations.
+// setProjectSelection(ds.remutate());
+ }
+ }
+
+ message(null);
+
+ } catch (PasteException e) {
+ error( e.getLocalizedMessage() );
+ ErrorLogger.defaultLog( new Status(IStatus.INFO, Activator.PLUGIN_ID, "Problem in diagram paste operation, see exception for details.", e) );
+ } catch (DatabaseException e) {
+ error( e.getLocalizedMessage() );
+ ErrorLogger.defaultLog( new Status(IStatus.INFO, Activator.PLUGIN_ID, "Problem in diagram paste operation, see exception for details.", e) );
+ }
+
+ // Clear ghosting
+ clearSG();
+ setDirty();
+
+ return true;
+ }
+
+ /**
+ * In cut/paste cases, the source selection should reset (removed) after the
+ * paste operation has been performed. This method will reset the source
+ * selection of the specified DiagramSelection from the source canvas
+ * context. This will work regardless of which diagram/editor the selection
+ * originates from.
+ *
+ * @param ds the source selection to reset
+ */
+ void resetSourceSelection(DiagramSelection ds) {
+ ICanvasContext cc = ds.getSourceCanvas();
+ boolean sameDiagram = diagram == ds.getSourceDiagram();
+ if (!sameDiagram && cc != null && !cc.isDisposed()) {
+ for (Selection sourceSelection : cc.getItemsByClass(Selection.class)) {
+ Collection<IElement> empty = Collections.emptySet();
+ sourceSelection.setSelection(0, empty);
+ }
+ }
+ }
+
+ private void normalPaste(Command command, DiagramSelection ds, ElementObjectAssortment ea, boolean cut) throws PasteException {
+ final Point2D copyPos = ds.getCopyPos();
+ final Point2D pastePos = getPastePos(ds);
+
+ double dx = pastePos.getX() - copyPos.getX();
+ double dy = pastePos.getY() - copyPos.getY();
+ final Point2D pasteOffset = new Point2D.Double(dx, dy);
+
+ try {
+ // Get diagram contents before the paste operation
+ Resource diagramResource = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);
+ final DiagramContentTracker tracker =
+ diagramResource == null ?
+ null
+ : DiagramContentTracker.start(getContext(), Simantics.getSession(), diagramResource);
+
+ strategy.paste(new PasteOperation(command, getContext(), ds.getSourceDiagram(), diagramResource, diagram, ea, cut, pasteOffset));
+
+ if (tracker != null) {
+ // Get difference of diagram contents to find out what was added.
+ DiagramContentChanges changes = tracker.update();
+ selectionUpdater.setNewSelection(0, changes.pick(changes.elements, Change.ADDED));
+ if (DEBUG_SELECTION_UPDATE)
+ System.out.println("stored diagram changes @" + System.currentTimeMillis() + ": " + selectionUpdater.getNewSelection());
+ }
+
+ } catch (DatabaseException e) {
+ ErrorLogger.defaultLogError(e);
+ }
+ }
+
+ private String fixAssortment(ElementAssortment ea, boolean cut) {
+ Topology diagramTopology = diagram.getDiagramClass().getAtMostOneItemOfClass(Topology.class);
+ List<Connection> conns = new ArrayList<Connection>();
+
+ // Include flags whether they are selected or not
+ for (IElement edge : ea.edges) {
+ Connection bc = diagramTopology.getConnection(edge, EdgeEnd.Begin);
+ if (bc != null && bc.node != null) {
+ if (bc.node.getElementClass().getAtMostOneItemOfClass(FlagHandler.class) != null)
+ ea.add(ElementType.Flag, bc.node);
+ }
+ Connection ec = diagramTopology.getConnection(edge, EdgeEnd.End);
+ if (ec != null && ec.node != null) {
+ if (ec.node.getElementClass().getAtMostOneItemOfClass(FlagHandler.class) != null)
+ ea.add(ElementType.Flag, ec.node);
+ }
+ }
+
+ // Include connections for selected flags if we're not potentially
+ // making flag continuations.
+ if (!CopyPasteUtil.isFlagsOnlySelection(ea)) {
+ for (IElement flag : ea.flags) {
+ conns.clear();
+ diagramTopology.getConnections(flag, ElementUtils.getSingleTerminal(flag), conns);
+ for (Connection conn : conns) {
+ IElement edge = conn.edge;
+ ConnectionEntity ce = edge.getHint(ElementHints.KEY_CONNECTION_ENTITY);
+ ea.add(ElementType.Connection, ce.getConnection());
+ }
+ }
+ }
+
+ // For each selected connection, make sure that all connected elements
+ // are in the selection, otherwise don't copy the connection.
+ List<IElement> connectionsToRemove = new ArrayList<IElement>(ea.connections.size());
+ for (IElement connection : ea.connections) {
+ ConnectionHandler ch = connection.getElementClass().getSingleItem(ConnectionHandler.class);
+ Collection<Connection> connectors = ch.getTerminalConnections(connection, null);
+ boolean allConnectorsSelected = true;
+ for (Connection c : connectors) {
+ if (!(ea.nodes.contains(c.node) || ea.flags.contains(c.node) || ea.references.contains(c.node))) {
+ allConnectorsSelected = false;
+ break;
+ }
+ }
+ if (!allConnectorsSelected)
+ connectionsToRemove.add(connection);
+ }
+ ea.removeAll(ElementType.Connection, connectionsToRemove);
+
+ // Remove external flags whose connection(s) are not included
+ List<IElement> flagsToRemove = new ArrayList<IElement>(ea.flags.size());
+ for (IElement flag : ea.flags) {
+ if (CopyPasteUtil.flagIsExternal(flag)) {
+ conns.clear();
+ diagramTopology.getConnections(flag, ElementUtils.getSingleTerminal(flag), conns);
+ for (Connection conn : conns) {
+ IElement edge = conn.edge;
+ ConnectionEntity ce = edge.getHint(ElementHints.KEY_CONNECTION_ENTITY);
+ IElement connection = ce.getConnection();
+ if (!ea.connections.contains(connection)) {
+ flagsToRemove.add(flag);
+ }
+ }
+ }
+ }
+ ea.removeAll(ElementType.Flag, flagsToRemove);
+
+ if (cut) {
+ // Issue #1874: Prevent cut/paste for connected components
+ // https://www.simulationsite.net/redmine/issues/1874
+ // Fail if any of the included nodes has connections to it that are not
+ // included in the operation.
+ Collection<Connection> connections = new ArrayList<Connection>();
+ for (IElement node : CollectionUtils.join(ea.nodes, ea.flags)) {
+ connections.clear();
+ for (Connection connection : getAllConnections(node, connections)) {
+ ConnectionEntity ce = connection.edge.getHint(ElementHints.KEY_CONNECTION_ENTITY);
+ IElement conn = ce.getConnection();
+ if (ea.connections.contains(conn))
+ continue;
+
+ return "Cannot cut a node without all its connections.";
+ }
+ }
+ }
+
+ // Remove all reference elements from the assortment whose parent elements are not in it.
+ if (!cut) {
+ Collection<IElement> referenceElementsToRemove = new ArrayList<IElement>();
+ for (IElement ref : ea.references) {
+ IElement parent = ref.getHint(ElementHints.KEY_PARENT_ELEMENT);
+ if (parent != null) {
+ if (!ea.all.contains(parent)) {
+ // Cannot copy reference element whose parent is not copied also.
+ referenceElementsToRemove.add(ref);
+ }
+ } else {
+ // OK, reference element has no parent. Free to copy/cut in any way.
+ }
+ }
+ if (!referenceElementsToRemove.isEmpty()) {
+ ea.removeAll(ElementType.Reference, referenceElementsToRemove);
+ if (ea.isEmpty()) {
+ return "Cannot copy reference elements whose parent is not copied.";
+ }
+ }
+ }
+
+ return null;
+ }
+
+ private Collection<Terminal> getTerminals(IElement node) {
+ ArrayList<Terminal> result = new ArrayList<Terminal>();
+ for (TerminalTopology tt : node.getElementClass().getItemsByClass(TerminalTopology.class))
+ tt.getTerminals(node, result);
+ return result;
+ }
+
+ private Collection<Connection> getAllConnections(IElement node, Collection<Connection> result) {
+ IDiagram diagram = node.getDiagram();
+ Topology topology = diagram.getDiagramClass().getAtMostOneItemOfClass(Topology.class);
+ if (topology == null)
+ return result;
+ for (Terminal t : getTerminals(node))
+ topology.getConnections(node, t, result);
+ return result;
+ }
+
+ /**
+ * Classifies the specified diagram selection elements into categories
+ * appointed by the <code>ElementType</code> enumeration and prunes any
+ * edges from the selection returned assortment whose both ends are not
+ * connected to nodes within the selection.
+ *
+ * @param ea
+ * @return
+ */
+ private void pruneAssortment(ElementAssortment ea, boolean cut) {
+ // Edges and branch points are never copied as such.
+ // They are always included as parts of copied connections.
+ // Edges can never be transformed or modified in any way as such,
+ // therefore it is safe to do this.
+ ea.clear(ElementType.Edge);
+
+ if (!cut)
+ ea.clear(ElementType.BranchPoint);
+ }
+
+ private Point2D getPastePos(DiagramSelection ds) {
+ MouseInfo mi = mouseUtil.getMouseInfo(0);
+ if (mi == null)
+ mi = mouseInfo;
+
+ if (mi != null) {
+ double xoff = mi.canvasPosition.getX() - ds.getCopyPos().getX();
+ double yoff = mi.canvasPosition.getY() - ds.getCopyPos().getY();
+ if (xoff == pasteOffset.getX() && yoff == pasteOffset.getY()) {
+ // The mouse has not moved since last paste so let's offset the
+ // paste down and right.
+ double counterOffset = getOffsetGridSize() * (++pasteWithoutMovingGhostCounter);
+ return new Point2D.Double(
+ mi.canvasPosition.getX() + counterOffset,
+ mi.canvasPosition.getY() + counterOffset);
+ }
+ pasteWithoutMovingGhostCounter = 0;
+ pasteOffset.setLocation(xoff, yoff);
+ return mi.canvasPosition;
+ } else {
+ //return ds.getCopyPos();
+ Point2D p = ds.getCopyPos();
+ double counterOffset = getOffsetGridSize() * (++pasteWithoutMovingGhostCounter);
+ return new Point2D.Double(
+ p.getX() + pasteOffset.getX() + counterOffset,
+ p.getY() + pasteOffset.getY() + counterOffset);
+ }
+ }
+
+ private double getOffsetGridSize() {
+ Double grid = getHint(GridPainter.KEY_GRID_SIZE);
+ return (grid == null || grid == 0) ? 1.0 : grid;
+ }
+
+ /**
+ * @param e
+ * @return
+ */
+ private static boolean isConnectionOrEdge(IElement e) {
+ ElementClass ec = e.getElementClass();
+ return ec.containsClass(ConnectionHandler.class)|| ec.containsClass(BendsHandler.class);
+ }
+
+ /**
+ * @param e
+ * @return
+ */
+ private static boolean isMoveable(IElement e) {
+ ElementClass ec = e.getElementClass();
+ return ec.containsClass(Move.class) && ec.containsClass(Transform.class);
+ }
+
+ /**
+ * @param ss
+ * @return <code>null</code> if a point of reference cannot be determined
+ * for the specified selection.
+ */
+ private Point2D getCopyStartPos(Set<IElement> ss) {
+// MouseInfo mi = mouseUtil.getMouseInfo(0);
+// if (mi != null) {
+// return (Point2D) mi.canvasPosition.clone();
+// }
+
+ // Find bounding rectangle top left corner
+ double mx = Double.MAX_VALUE;
+ double my = Double.MAX_VALUE;
+ for (IElement e : ss) {
+ if (isConnectionOrEdge(e) || !isMoveable(e))
+ continue;
+
+ //Point2D pos = ElementUtils.getPos(e);
+ Point2D pos = ElementUtils.getAbsolutePos(e);
+ if (pos.getX() < mx)
+ mx = pos.getX();
+ if (pos.getY() < my)
+ my = pos.getY();
+ }
+
+ // Find element nearest to the top left corner
+ Point2D nearest = null;
+ double dist = Double.MAX_VALUE;
+ for (IElement e : ss) {
+ if (isConnectionOrEdge(e) || !isMoveable(e))
+ continue;
+
+ Point2D pos = ElementUtils.getAbsolutePos(e);
+ double dx = pos.getX() - mx;
+ double dy = pos.getY() - my;
+ double d = dx*dx + dy*dy;
+ if (d < dist) {
+ dist = d;
+ nearest = pos;
+ }
+ }
+
+ return nearest;
+ }
+
+ private void moveGhostElements(DiagramSelection ds, Point2D pastePos) {
+ Point2D copyPos = ds.getCopyPos();
+ double dx = (pastePos.getX() - copyPos.getX());
+ double dy = (pastePos.getY() - copyPos.getY());
+
+ // Snap delta
+ Point2D snap = CopyPasteUtil.snap(getContext(), new Point2D.Double(dx, dy));
+
+ ghostNode.setTransform(AffineTransform.getTranslateInstance(snap.getX(), snap.getY()));
+ //System.out.println("ghost node: " + ghostNode);
+ }
+
+ protected SingleElementNode ghostNode = null;
+ protected NodeMapper ghostNodeMapper = new NodeMapper();
+
+ @SGInit
+ public void initSG(G2DParentNode parent) {
+ ghostNode = parent.addNode("cut/copy ghost", SingleElementNode.class);
+ ghostNode.setZIndex(COPY_GHOSTING_PAINT_PRIORITY);
+ //ghostNode.setComposite(AlphaComposite.SrcOver.derive(0.40f));
+ ghostNode.setVisible(Boolean.FALSE);
+ }
+
+ @SGCleanup
+ public void cleanupSG() {
+ ghostNode.remove();
+ }
+
+ void clearSG() {
+ ghostNode.removeNodes();
+ ghostNode.setVisible(Boolean.FALSE);
+ ghostNodeMapper.clear();
+ }
+
+ /**
+ * @param selection
+ * @return <code>true</code> if the ghost nodes were hidden and a refresh is
+ * needed
+ */
+ boolean hideSG(DiagramSelection selection) {
+ if (ghostNode.isVisible()) {
+ // Make sure there's no leftover graphics.
+ ghostNode.removeNodes();
+ ghostNode.setVisible(Boolean.FALSE);
+ return true;
+ }
+ return false;
+ }
+
+ protected void scheduleActivateOwnerPart() {
+ if (mPart == null)
+ return;
+ SWTUtils.asyncExec(PlatformUI.getWorkbench().getDisplay(), new Runnable() {
+ @Override
+ public void run() {
+ hasFocus = true;
+ mPart.getContext().get(EPartService.class).activate(mPart);
+ }
+ });
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleMouse(MouseExitEvent e) {
+ DiagramSelection ds = getProjectSelection();
+ if (!ds.isEmpty()) {
+ if (hideSG(ds))
+ setDirty();
+ }
+
+ // The part might no longer have focus.
+ // [Tuukka] commented out to fix Apros #3678
+ //hasFocus = false;
+
+ return false;
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleMouse(MouseEnterEvent e) {
+ DiagramSelection ds = getProjectSelection();
+ if (!ds.isEmpty()) {
+ if (mPart != null) {
+ if (inPasteMode(e)) {
+ scheduleActivateOwnerPart();
+ }
+ }
+ }
+ return false;
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleMouse(MouseMovedEvent e) {
+ DiagramSelection ds = getProjectSelection();
+ if (!ds.isEmpty()) {
+ MouseInfo mi = mouseUtil.getMouseInfo(0);
+ //System.out.println("LAST MOUSE INFO: " + mi);
+ if (mi != null)
+ mouseInfo = mi;
+
+ if (inPasteMode(e)) {
+ // Make sure that this owner part is active now.
+ if (!hasFocus)
+ scheduleActivateOwnerPart();
+
+ updateSG(ds);
+ setDirty();
+ } else {
+ if (hideSG(ds))
+ setDirty();
+ }
+ }
+ return false;
+ }
+
+ void updateSG(DiagramSelection selection) {
+ MouseInfo mi = mouseUtil.getMouseInfo(0);
+ if (mi == null)
+ return;
+
+ //ghostNode.setComposite(AlphaComposite.SrcAtop.derive(0.40f));
+ //ghostNode.setComposite(null);
+
+ moveGhostElements(selection, mi.canvasPosition);
+ if (selection.getSourceCanvas() != getContext()) {
+ for (IElement e : selection.getOriginalElements()) {
+ INode node = e.getHint(ElementHints.KEY_SG_NODE);
+ //System.out.println("ghost element: " + e + ", node=" + node);
+ if (node instanceof IG2DNode) {
+ LocalDelegateNode delegate = getOrCreateNode(ghostNode, ElementUtils.generateNodeId(e),
+ LocalDelegateNode.class);
+ delegate.setDelegate( (IG2DNode) node );
+ }
+ }
+ } else {
+ for (IElement e : selection.getOriginalElements()) {
+ //System.out.println("ghost element: " + e);
+ INode node = e.getHint(ElementHints.KEY_SG_NODE);
+ if (node != null) {
+ //System.out.println("ghost node: " + node);
+ ghostNodeMapper.add(node);
+ String nodeId = ghostNodeMapper.getId(node);
+ //System.out.println("ghost node id: " + nodeId);
+ LinkNode delegate = getOrCreateNode(ghostNode, ElementUtils.generateNodeId(e), LinkNode.class);
+ delegate.setDelegateId( nodeId );
+ }
+ }
+ }
+
+ ghostNode.setVisible(true);
+ }
+
+ private <T extends INode> T getOrCreateNode(ParentNode<?> parentNode, String id, Class<T> clazz) {
+ INode n = ghostNode.getNode(id);
+ if (clazz.isInstance(n))
+ return clazz.cast(n);
+ ghostNode.removeNode(id);
+ return ghostNode.addNode(id, clazz);
+ }
+
+ private boolean hasHighlight() {
+ return highlightMode != null;
+ }
+
+ private void removeHighlight() {
+ if (isRemoved())
+ return;
+ assert getContext().getThreadAccess().currentThreadAccess();
+ if (highlightMode != null) {
+ if (!highlightMode.isRemoved()) {
+ highlightMode.remove();
+ setDirty();
+ }
+ highlightMode = null;
+ }
+ }
+
+ private boolean inPasteMode(MouseEvent e) {
+ return (e.stateMask & MouseEvent.CTRL_MASK) != 0;
+ }
+
+ void selectedMessage(DiagramSelection ds) {
+ int size = ds.getOriginalElements().size();
+ StringBuilder sb = new StringBuilder();
+ if (size == 0) {
+ sb.append("No elements to ");
+ if (ds.isCut())
+ sb.append("cut");
+ else
+ sb.append("copy");
+ } else {
+ if (ds.isCut())
+ sb.append("Cut ");
+ else
+ sb.append("Copied ");
+ sb.append(size);
+ sb.append(" element");
+ if (size > 1)
+ sb.append('s');
+ }
+ message(sb.toString());
+ }
+
+ void message(final String message) {
+ if (statusLine == null)
+ return;
+ swtExec(new Runnable() {
+ @Override
+ public void run() {
+ statusLine.setMessage(message);
+ statusLine.setErrorMessage(null);
+ }
+ });
+ }
+
+ void error(final String message) {
+ if (statusLine == null)
+ return;
+ swtExec(new Runnable() {
+ @Override
+ public void run() {
+ statusLine.setErrorMessage(message);
+ }
+ });
+ }
+
+ void swtExec(Runnable r) {
+ ThreadUtils.asyncExec(SWTThread.getThreadAccess(Display.getDefault()), r);
+ }
+
+ // MONITOR PASTE SUPPORT
+
+ private boolean tryPasteMonitors() {
+ SimanticsClipboard clipboard = Simantics.getClipboard();
+ for (Set<Representation> content : clipboard.getContents()) {
+ try {
+ final Variable var_ = ClipboardUtils.accept(content, SimanticsKeys.KEY_VARIABLE);
+ if (var_ != null) {
+ final Resource diagramResource = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);
+ final Resource runtime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);
+ final Resource elementResource = Simantics.getSession().syncRequest(new Read<Resource>() {
+ @Override
+ public Resource perform(ReadGraph graph) throws DatabaseException {
+ DiagramResource DIA = DiagramResource.getInstance(graph);
+
+ String diagramVariable = graph.getPossibleRelatedValue(runtime, DIA.RuntimeDiagram_HasVariable);
+ if (diagramVariable == null)
+ return null;
+
+ Variable diaVar = Variables.getPossibleVariable(graph, diagramVariable);
+ if (diaVar == null)
+ return null;
+
+ Variable var = Variables.switchRealization(graph, var_, Variables.getRealization(graph, diaVar));
+ if(var == null)
+ return null;
+
+ Variable component = Variables.getChild(graph, diaVar, var);
+ if (component == null)
+ return null;
+
+ Resource componentResource = component.getPossibleRepresents(graph);
+ if (componentResource == null)
+ return null;
+
+ return graph.getPossibleObject(componentResource, ModelingResources.getInstance(graph).ComponentToElement);
+ }
+ });
+
+ if (elementResource == null)
+ return false;
+
+ final AffineTransform monitorTransform = Simantics.getSession().syncRequest(new Read<AffineTransform>() {
+ @Override
+ public AffineTransform perform(ReadGraph graph) throws DatabaseException {
+ AffineTransform at = null;
+
+ if (graph.isInstanceOf(elementResource, DiagramResource.getInstance(graph).Connection)) {
+ Resource tailNode = ConnectionUtil.getConnectionTailNode(graph, elementResource);
+ if (tailNode != null) {
+ at = DiagramGraphUtil.getAffineTransform(graph, tailNode);
+ }
+ }
+ if (at == null)
+ at = DiagramGraphUtil.getAffineTransform(graph, elementResource);
+
+ return at;
+ }
+ });
+
+ MouseInfo mi = mouseUtil.getMouseInfo(0);
+ if (mi == null)
+ mi = mouseInfo;
+ final double dx = mi.canvasPosition.getX() - monitorTransform.getTranslateX();
+ final double dy = mi.canvasPosition.getY() - monitorTransform.getTranslateY();
+
+ Simantics.getSession().asyncRequest(new WriteRequest() {
+
+ @Override
+ public void perform(WriteGraph graph) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ Layer0X L0X = Layer0X.getInstance(graph);
+ DiagramResource DIA = DiagramResource.getInstance(graph);
+ G2DResource G2D = G2DResource.getInstance(graph);
+
+ String diagramVariable = graph.getPossibleRelatedValue(runtime, DIA.RuntimeDiagram_HasVariable);
+ if (diagramVariable == null)
+ return;
+
+ Variable diaVar = Variables.getPossibleVariable(graph, diagramVariable);
+ if (diaVar == null)
+ return;
+
+ Variable var = Variables.switchRealization(graph, var_, Variables.getRealization(graph, diaVar));
+ if(var == null)
+ return;
+
+ Variable component = Variables.getChild(graph, diaVar, var);
+ if (component == null)
+ return;
+
+ Resource componentResource = component.getPossibleRepresents(graph);
+ if (componentResource == null)
+ return;
+
+ String suffix = Variables.getRVI(graph, component, var);
+
+ Resource resource = graph.newResource();
+ graph.claim(resource, L0.InstanceOf, null, DIA.Monitor);
+
+ final double scale = monitorScale;
+
+ DiagramGraphUtil.setTransform(graph, resource, new AffineTransform(scale, 0, 0, scale, dx, dy));
+
+ OrderedSetUtils.add(graph, diagramResource, resource);
+
+ // 5.1. Give running name to element and increment the counter attached to the diagram.
+ Long l = graph.getPossibleRelatedValue(diagramResource, DIA.HasModCount, Bindings.LONG);
+ if (l == null)
+ l = Long.valueOf(0L);
+ graph.claimLiteral(resource, L0.HasName, l.toString(), Bindings.STRING);
+ graph.claimLiteral(diagramResource, DIA.HasModCount, ++l, Bindings.LONG);
+
+ // 5.2. Make the diagram consist of the new element
+ graph.claim(diagramResource, L0.ConsistsOf, resource);
+
+ graph.claim(resource, G2D.HasHorizontalAlignment, null, G2D.Alignment_Leading);
+ graph.claimLiteral(resource, DIA.HasDirection, 0.0);
+
+ graph.claim(resource, DIA.HasMonitorComponent, componentResource);
+ graph.claimLiteral(resource, DIA.HasMonitorSuffix, suffix);
+
+ Resource model = Variables.getModel(graph, diaVar);
+ if (model != null) {
+ Resource template = graph.getPossibleObject(model, DIA.HasDefaultMonitorTemplate);
+ if (template != null) {
+ graph.claim(resource, L0X.ObtainsProperty1, null, template);
+ }
+ }
+
+ }
+ });
+ }
+ } catch (DatabaseException e1) {
+ LOGGER.error("Monitor paste failed", e1);
+ }
+ }
+ return true;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff