diff options
Diffstat (limited to 'plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/edit/policies/reparent/MoveViewCommand.java')
-rwxr-xr-x | plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/edit/policies/reparent/MoveViewCommand.java | 340 |
1 files changed, 170 insertions, 170 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/edit/policies/reparent/MoveViewCommand.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/edit/policies/reparent/MoveViewCommand.java index a1da09a8494..1241a37e8c5 100755 --- a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/edit/policies/reparent/MoveViewCommand.java +++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/edit/policies/reparent/MoveViewCommand.java @@ -1,170 +1,170 @@ -package org.eclipse.papyrus.infra.gmfdiag.tooling.runtime.edit.policies.reparent;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.eclipse.core.commands.ExecutionException;
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.transaction.TransactionalEditingDomain;
-import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
-import org.eclipse.gmf.runtime.common.core.command.CommandResult;
-import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint;
-import org.eclipse.gmf.runtime.diagram.core.services.ViewService;
-import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
-import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
-import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
-import org.eclipse.gmf.runtime.notation.Edge;
-import org.eclipse.gmf.runtime.notation.Node;
-import org.eclipse.gmf.runtime.notation.View;
-import org.eclipse.papyrus.infra.gmfdiag.tooling.runtime.structure.DiagramStructure;
-
-public class MoveViewCommand extends AbstractTransactionalCommand {
-
- private final IAdaptable myParent;
-
- private final IAdaptable myChild;
-
- private final int myIndex;
-
- private final PreferencesHint myPreferences;
-
- private DiagramStructure myDiagramStructure;
-
- public MoveViewCommand(TransactionalEditingDomain editingDomain, IAdaptable parent, IAdaptable child, PreferencesHint preferencesHint) {
- this(editingDomain, parent, child, ViewUtil.APPEND, preferencesHint);
- }
-
- public MoveViewCommand(TransactionalEditingDomain editingDomain, IAdaptable parent, IAdaptable child, int index, PreferencesHint preferences) {
- super(editingDomain, "Move view", null);
- myParent = parent;
- myChild = child;
- myIndex = index;
- myPreferences = preferences;
- }
-
- public void setVisualIDRegistry(DiagramStructure diagramStructure) {
- myDiagramStructure = diagramStructure;
- }
-
- @Override
- public List<?> getAffectedFiles() {
- View view = (View) myParent.getAdapter(View.class);
- if (view != null) {
- List<IFile> result = new ArrayList<IFile>();
- IFile file = WorkspaceSynchronizer.getFile(view.eResource());
-
- if (file != null) {
- result.add(file);
- }
- return result;
- }
- return super.getAffectedFiles();
- }
-
- protected boolean checkCanMoveView(View parentView, View childView, EObject child) {
- if (myDiagramStructure == null) {
- return false;
- }
- int actualVisualId = myDiagramStructure.getVisualID(childView);
- return myDiagramStructure.checkNodeVisualID(parentView, child, actualVisualId);
- }
-
- @Override
- protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
- View parentView = (View) myParent.getAdapter(View.class);
- View childView = (View) myChild.getAdapter(View.class);
- EObject child = childView.getElement();
- if (child instanceof Edge) {
- justMoveActualView(parentView, childView);
- return CommandResult.newOKCommandResult();
- }
-
- if (checkCanMoveView(parentView, childView, child)) {
- justMoveActualView(parentView, childView);
- } else {
- createNewView(parentView, childView, child);
- }
- return CommandResult.newOKCommandResult();
- }
-
- @SuppressWarnings("unchecked")
- protected void moveStyles(View newViewWillBeIgnored, View oldChildViewWillBeReused) {
- oldChildViewWillBeReused.getStyles().clear();
- oldChildViewWillBeReused.getStyles().addAll(newViewWillBeIgnored.getStyles());
- }
-
- protected View basicCreateNewView(View parentView, View childView, EObject child) {
- IAdaptable semanticAdapter = new EObjectAdapter(child);
- String semanticHint = null;
- View result = ViewService.getInstance().createView(//
- Node.class, semanticAdapter, parentView, semanticHint, myIndex, true, myPreferences);
- return result;
- }
-
- @SuppressWarnings("unchecked")
- protected View createNewView(View parentView, View oldChildView, EObject child) {
- // unfortunately, we have to reuse childView instance in order to allow
- // command from layout edit policy to set correct bounds
- // in order to do this, we will create the new view using service and
- // then copy all its meaningfull contents
- // into the original view instance
- View newView = basicCreateNewView(parentView, oldChildView, child);
- if (newView == null) {
- return null;
- }
- removeViewFromContainer(newView);
- justMoveActualView(parentView, oldChildView);
-
- List<View> edgesToAndFromHierarchy = collectChildrenLinks(oldChildView, new ArrayList<View>());
-
- oldChildView.getPersistedChildren().clear();
- oldChildView.getTransientChildren().clear();
- oldChildView.getSourceEdges().clear();
- oldChildView.getTargetEdges().clear();
-
- for (View childView : edgesToAndFromHierarchy) {
- ViewUtil.destroy(childView);
- }
-
- moveStyles(newView, oldChildView);
-
- oldChildView.getPersistedChildren().addAll(newView.getPersistedChildren());
- oldChildView.getTransientChildren().addAll(newView.getTransientChildren());
- oldChildView.getSourceEdges().addAll(newView.getSourceEdges());
- oldChildView.getTargetEdges().addAll(newView.getTargetEdges());
-
- oldChildView.setType(newView.getType());
-
- return oldChildView;
- }
-
- @SuppressWarnings("unchecked")
- private List<View> collectChildrenLinks(View view, List<View> output) {
- output.addAll(view.getTargetEdges());
- output.addAll(view.getSourceEdges());
- for (Object child : view.getChildren()) {
- if (child instanceof View) {
- collectChildrenLinks((View) child, output);
- }
- }
- return output;
- }
-
- private void justMoveActualView(View parentView, View childView) {
- if (myIndex == ViewUtil.APPEND) {
- parentView.insertChild(childView);
- } else {
- parentView.insertChildAt(childView, myIndex);
- }
- }
-
- private void removeViewFromContainer(View view) {
- if (view.eContainer() instanceof View) {
- ((View) view.eContainer()).removeChild(view);
- }
- }
-
-}
+package org.eclipse.papyrus.infra.gmfdiag.tooling.runtime.edit.policies.reparent; + +import java.util.ArrayList; +import java.util.List; + +import org.eclipse.core.commands.ExecutionException; +import org.eclipse.core.resources.IFile; +import org.eclipse.core.runtime.IAdaptable; +import org.eclipse.core.runtime.IProgressMonitor; +import org.eclipse.emf.ecore.EObject; +import org.eclipse.emf.transaction.TransactionalEditingDomain; +import org.eclipse.emf.workspace.util.WorkspaceSynchronizer; +import org.eclipse.gmf.runtime.common.core.command.CommandResult; +import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint; +import org.eclipse.gmf.runtime.diagram.core.services.ViewService; +import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil; +import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand; +import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter; +import org.eclipse.gmf.runtime.notation.Edge; +import org.eclipse.gmf.runtime.notation.Node; +import org.eclipse.gmf.runtime.notation.View; +import org.eclipse.papyrus.infra.gmfdiag.tooling.runtime.structure.DiagramStructure; + +public class MoveViewCommand extends AbstractTransactionalCommand { + + private final IAdaptable myParent; + + private final IAdaptable myChild; + + private final int myIndex; + + private final PreferencesHint myPreferences; + + private DiagramStructure myDiagramStructure; + + public MoveViewCommand(TransactionalEditingDomain editingDomain, IAdaptable parent, IAdaptable child, PreferencesHint preferencesHint) { + this(editingDomain, parent, child, ViewUtil.APPEND, preferencesHint); + } + + public MoveViewCommand(TransactionalEditingDomain editingDomain, IAdaptable parent, IAdaptable child, int index, PreferencesHint preferences) { + super(editingDomain, "Move view", null); + myParent = parent; + myChild = child; + myIndex = index; + myPreferences = preferences; + } + + public void setVisualIDRegistry(DiagramStructure diagramStructure) { + myDiagramStructure = diagramStructure; + } + + @Override + public List<?> getAffectedFiles() { + View view = (View) myParent.getAdapter(View.class); + if (view != null) { + List<IFile> result = new ArrayList<IFile>(); + IFile file = WorkspaceSynchronizer.getFile(view.eResource()); + + if (file != null) { + result.add(file); + } + return result; + } + return super.getAffectedFiles(); + } + + protected boolean checkCanMoveView(View parentView, View childView, EObject child) { + if (myDiagramStructure == null) { + return false; + } + int actualVisualId = myDiagramStructure.getVisualID(childView); + return myDiagramStructure.checkNodeVisualID(parentView, child, actualVisualId); + } + + @Override + protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException { + View parentView = (View) myParent.getAdapter(View.class); + View childView = (View) myChild.getAdapter(View.class); + EObject child = childView.getElement(); + if (child instanceof Edge) { + justMoveActualView(parentView, childView); + return CommandResult.newOKCommandResult(); + } + + if (checkCanMoveView(parentView, childView, child)) { + justMoveActualView(parentView, childView); + } else { + createNewView(parentView, childView, child); + } + return CommandResult.newOKCommandResult(); + } + + @SuppressWarnings("unchecked") + protected void moveStyles(View newViewWillBeIgnored, View oldChildViewWillBeReused) { + oldChildViewWillBeReused.getStyles().clear(); + oldChildViewWillBeReused.getStyles().addAll(newViewWillBeIgnored.getStyles()); + } + + protected View basicCreateNewView(View parentView, View childView, EObject child) { + IAdaptable semanticAdapter = new EObjectAdapter(child); + String semanticHint = null; + View result = ViewService.getInstance().createView(// + Node.class, semanticAdapter, parentView, semanticHint, myIndex, true, myPreferences); + return result; + } + + @SuppressWarnings("unchecked") + protected View createNewView(View parentView, View oldChildView, EObject child) { + // unfortunately, we have to reuse childView instance in order to allow + // command from layout edit policy to set correct bounds + // in order to do this, we will create the new view using service and + // then copy all its meaningfull contents + // into the original view instance + View newView = basicCreateNewView(parentView, oldChildView, child); + if (newView == null) { + return null; + } + removeViewFromContainer(newView); + justMoveActualView(parentView, oldChildView); + + List<View> edgesToAndFromHierarchy = collectChildrenLinks(oldChildView, new ArrayList<View>()); + + oldChildView.getPersistedChildren().clear(); + oldChildView.getTransientChildren().clear(); + oldChildView.getSourceEdges().clear(); + oldChildView.getTargetEdges().clear(); + + for (View childView : edgesToAndFromHierarchy) { + ViewUtil.destroy(childView); + } + + moveStyles(newView, oldChildView); + + oldChildView.getPersistedChildren().addAll(newView.getPersistedChildren()); + oldChildView.getTransientChildren().addAll(newView.getTransientChildren()); + oldChildView.getSourceEdges().addAll(newView.getSourceEdges()); + oldChildView.getTargetEdges().addAll(newView.getTargetEdges()); + + oldChildView.setType(newView.getType()); + + return oldChildView; + } + + @SuppressWarnings("unchecked") + private List<View> collectChildrenLinks(View view, List<View> output) { + output.addAll(view.getTargetEdges()); + output.addAll(view.getSourceEdges()); + for (Object child : view.getChildren()) { + if (child instanceof View) { + collectChildrenLinks((View) child, output); + } + } + return output; + } + + private void justMoveActualView(View parentView, View childView) { + if (myIndex == ViewUtil.APPEND) { + parentView.insertChild(childView); + } else { + parentView.insertChildAt(childView, myIndex); + } + } + + private void removeViewFromContainer(View view) { + if (view.eContainer() instanceof View) { + ((View) view.eContainer()).removeChild(view); + } + } + +} |