-/*******************************************************************************\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
+/*******************************************************************************
+ * 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.modeling.ui.diagramEditor.handlers.e4;
+
+import java.awt.Shape;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.function.Consumer;
+
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.ResourceArray;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.utils.OrderedSetUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.management.ISessionContext;
+import org.simantics.diagram.stubs.DiagramResource;
+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.diagram.DiagramHints;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.diagram.handler.DataElementMap;
+import org.simantics.g2d.diagram.participant.Selection;
+import org.simantics.g2d.element.ElementHints;
+import org.simantics.g2d.element.ElementUtils;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.participant.CanvasBoundsParticipant;
+import org.simantics.g2d.participant.TransformUtil;
+import org.simantics.g2d.utils.GeometryUtils;
+import org.simantics.modeling.ModelingResources;
+import org.simantics.modeling.ui.diagramEditor.e4.DiagramViewer;
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;
+import org.simantics.structural.stubs.StructuralResource2;
+import org.simantics.ui.workbench.e4.E4WorkbenchUtils;
+import org.simantics.utils.page.MarginUtils;
+import org.simantics.utils.threads.ThreadUtils;
+import org.simantics.utils.ui.ErrorLogger;
+
+/**
+ * StructuralBrowsingHandler supports visual browsing into subcomponents through
+ * mouse events.
+ *
+ * @author Tuukka Lehtonen
+ */
+public class LinkBrowsingHandler extends AbstractCanvasParticipant {
+
+ @Dependency
+ CanvasBoundsParticipant canvasBounds;
+ @Dependency
+ Selection selection;
+
+ DiagramViewer viewer;
+ ISessionContext sessionContext;
+
+ public LinkBrowsingHandler(DiagramViewer viewer, ISessionContext context) {
+
+// System.out.println("LinkBrowsingHandler " + viewer + " " + viewer.structuralPath);
+
+ this.viewer = viewer;
+ this.sessionContext = context;
+
+ }
+
+ public static Runnable editorActivator(final MPart part, final ResourceArray input, final Consumer<MPart> successCallback) {
+ String sourcePartId = part.getElementId();
+ return editorActivator(sourcePartId, input, successCallback);
+ }
+
+ public Runnable elementSelectorZoomer(final ICanvasContext canvas, final Collection<Object> elementObjects, final boolean keepZoom) {
+ return new Runnable() {
+ @Override
+ public void run() {
+ IDiagram diagram = canvas.getHintStack().getHint(DiagramHints.KEY_DIAGRAM);
+ assert diagram != null;
+ if (!zoomToSelection(canvas, diagram, selectElement(canvas, diagram, elementObjects), keepZoom)) {
+ // Reschedule for later.
+ ThreadUtils.asyncExec(canvas.getThreadAccess(), this);
+ }
+ }
+ };
+ }
+
+ public static Set<IElement> selectElement(final ICanvasContext canvas, final IDiagram diagram, final Collection<Object> elementObjects) {
+ // Select element
+ Set<IElement> selection = new HashSet<IElement>();
+ DataElementMap dataMap = diagram.getDiagramClass().getSingleItem(DataElementMap.class);
+ for (Object obj : elementObjects) {
+ IElement element = dataMap.getElement(diagram, obj);
+ if (element == null) {
+ ErrorLogger.defaultLogWarning("No element to select for object " + obj, new Exception());
+ } else {
+ selection.add(element);
+ }
+ }
+ for (Selection s : canvas.getItemsByClass(Selection.class)) {
+ s.setSelection(0, selection);
+ }
+ return selection;
+ }
+
+ public boolean zoomToSelection(final ICanvasContext canvas, final IDiagram diagram, Set<IElement> selection, boolean keepZoom) {
+ TransformUtil util = canvas.getSingleItem(TransformUtil.class);
+ Rectangle2D controlBounds = canvasBounds.getControlBounds();
+ if (controlBounds == null)
+ return false;
+
+ Shape shp = ElementUtils.getElementBoundsOnDiagram(selection);
+ if (shp == null)
+ return false;
+
+ Rectangle2D diagramRect = shp.getBounds2D();
+ if (keepZoom) {
+ double scaleFactor = GeometryUtils.getScale(util.getTransform());
+ double cwh = controlBounds.getWidth() / (scaleFactor*2);
+ double chh = controlBounds.getHeight() / (scaleFactor*2);
+
+ AffineTransform view = new AffineTransform();
+ view.scale(scaleFactor, scaleFactor);
+ view.translate(-diagramRect.getCenterX()+cwh, -diagramRect.getCenterY()+chh);
+
+ util.setTransform(view);
+ } else {
+ MarginUtils.Margin margin = MarginUtils.marginOf(40, 0, 0);
+ MarginUtils.Margins margins = new MarginUtils.Margins(margin, margin, margin, margin);
+ util.fitArea(controlBounds, diagramRect, margins);
+ }
+ return true;
+ }
+
+ public static Runnable editorActivator(final String editorPartId, final ResourceArray input, final Consumer<MPart> successCallback) {
+ return new Runnable() {
+ @Override
+ public void run() {
+ // open and activate new editor
+ MPart part = E4WorkbenchUtils.openEditor(editorPartId, "", "", input.get(0));
+ E4WorkbenchUtils.activatePart(part);
+ successCallback.accept(part);
+ }
+ };
+ }
+
+ public static Resource getOwnerList(ReadGraph g, Resource listElement) throws DatabaseException {
+ return OrderedSetUtils.getSingleOwnerList(g, listElement, DiagramResource.getInstance(g).Composite);
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleDoubleClick(MouseDoubleClickedEvent me) {
+
+ //System.out.println("LinkBrowsingHandler");
+
+ if (sessionContext == null)
+ return false;
+
+ Set<IElement> sel = selection.getSelection(0);
+
+ if (sel.size() == 1) {
+ IElement e = sel.iterator().next();
+ Object data = e.getHint(ElementHints.KEY_OBJECT);
+ if (data instanceof Resource) {
+ final Resource element = (Resource) data;
+ sessionContext.getSession().asyncRequest(new ReadRequest() {
+ @Override
+ public void run(ReadGraph graph) throws DatabaseException {
+
+ //System.out.println("LinkBrowsingHandler0");
+
+ ModelingResources mr = ModelingResources.getInstance(graph);
+ DiagramResource dr = DiagramResource.getInstance(graph);
+ StructuralResource2 sr = StructuralResource2.getInstance(graph);
+
+ if (graph.isInstanceOf(element, dr.UpwardLink)) {
+
+// Resource component = viewer.structuralPath.resources[0];
+// Resource element = graph.getPossibleObject(component, mr.ComponentToElement);
+// Resource diagram = getOwnerList(graph, element);
+//
+// IEditorPart thisEditor = (IEditorPart) site.getPart();
+// site.getWorkbenchWindow().getShell().getDisplay().asyncExec(
+// editorActivator(thisEditor, viewer.structuralPath.removeFromBeginning(1).prepended(diagram), new Callback<IEditorPart>() {
+// @Override
+// public void run(IEditorPart part) {
+// }
+// }));
+
+ } else if (graph.isInstanceOf(element, dr.Link)) {
+
+ //System.out.println("LinkBrowsingHandler2");
+
+// ContextMap parameters = new ContextMap();
+// parameters.put(ModelingOperationConstants.WORKBENCH_WINDOW, site.getWorkbenchWindow());
+// parameters.put(ModelingOperationConstants.WORKBENCH_PART, site.getPart());
+// parameters.put(IOperation.SUBJECT, element);
+
+ Resource thisDiagram = getOwnerList(graph, element);
+ if (thisDiagram == null) return;
+
+ final Resource target = graph.getPossibleObject(element, dr.HasLinkTarget);
+ if (target == null) return;
+
+ final Resource otherDiagram = getOwnerList(graph, target);
+ if (otherDiagram == null)
+ return;
+
+ final Resource component = graph.getPossibleObject(target, mr.ElementToComponent);
+ if (component == null)
+ return;
+
+ Resource type = graph.getSingleType(component, sr.Component);
+ if (type == null)
+ return;
+
+ Resource definedBy = graph.getPossibleObject(type, sr.IsDefinedBy);
+ if (definedBy == null)
+ return;
+
+ final Resource diagram = graph.getPossibleObject(definedBy, mr.CompositeToDiagram);
+ if (diagram == null)
+ return;
+
+// PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
+// @Override
+// public void run() {
+// try {
+// WorkbenchUtils.openEditor(site.getId(), new ResourceEditorInput(site.getId(), parentStructuralPath.prepended(diagram, component)));
+// } catch (PartInitException e) {
+// // TODO Auto-generated catch block
+// e.printStackTrace();
+// }
+// }
+// });
+
+// IEditorPart thisEditor = (IEditorPart) site.getPart();
+// ResourceArray input = viewer.structuralPath.prepended(diagram, component);
+// System.out.println("Browsing link " + input);
+// site.getWorkbenchWindow().getShell().getDisplay().asyncExec(
+// editorActivator(thisEditor, input, new Callback<IEditorPart>() {
+// @Override
+// public void run(IEditorPart part) {
+//// final ICanvasContext openedCanvas = (ICanvasContext) part.getAdapter(ICanvasContext.class);
+//// assert openedCanvas != null;
+//// IDiagram diagram = (IDiagram) part.getAdapter(IDiagram.class);
+//// assert diagram != null;
+// // Disable automatic-zoom-to-fit
+//// diagram.removeHint(DiagramHints.KEY_INITIAL_ZOOM_TO_FIT);
+//// ThreadUtils.asyncExec(openedCanvas.getThreadAccess(),
+//// elementSelectorZoomer(openedCanvas, Collections.singleton((Object) target), false));
+// }
+// }));
+
+
+
+// System.out.println("LinkBrowsingHandler3");
+//
+// if (!thisDiagram.equals(otherDiagram)) {
+//
+// System.out.println("LinkBrowsingHandler4");
+//
+// // Find the structural path
+// Resource ownerComposite = graph.getPossibleObject(otherDiagram, mr.DiagramToComposite);
+// if (ownerComposite == null)
+// return;
+//
+// Collection<ResourceArray> inputs = ComponentUtils.formInputs(graph, ownerComposite);
+//
+//
+// for (final ResourceArray input : inputs) {
+// }
+// }
+// return;
+
+ }
+
+ return;
+
+ }
+
+ });
+
+
+ }
+
+ }
+ return false;
+ }
+