Example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement.

Prototype

public Object getFirstElement();

Source Link

Document

Returns the first element in this selection, or null if the selection is empty.

Usage

From source file:ac.soton.eventb.statemachines.diagram.sheet.custom.InvariantsPropertySection.java

License:Open Source License

@Override
protected ISelection getEditorSelection(Object object) {
    StatemachinesDiagramEditor editor = (StatemachinesDiagramEditor) getPart();
    IStructuredSelection selection = (IStructuredSelection) editor.getDiagramGraphicalViewer().getSelection();
    if (selection != null && selection.size() == 1) {
        GraphicalEditPart selectedPart = (GraphicalEditPart) selection.getFirstElement();
        EditPart part = selectedPart.findEditPart(null, (EObject) object);
        if (part != null)
            return new StructuredSelection(part);
        if (selectedPart.getParent() != null) {
            part = ((GraphicalEditPart) selectedPart.getParent()).findEditPart(null, (EObject) object);
            if (part != null)
                return new StructuredSelection(part);
        }/* ww  w .j  av a 2s  .  com*/
    }
    return null;
}

From source file:ac.soton.fmusim.components.diagram.navigator.ComponentsNavigatorLinkHelper.java

License:Open Source License

/**
 * @generated/*  w  w  w  .j a  v a 2 s.  c  om*/
 */
public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
    if (aSelection == null || aSelection.isEmpty()) {
        return;
    }
    if (false == aSelection.getFirstElement() instanceof ComponentsAbstractNavigatorItem) {
        return;
    }

    ComponentsAbstractNavigatorItem abstractNavigatorItem = (ComponentsAbstractNavigatorItem) aSelection
            .getFirstElement();
    View navigatorView = null;
    if (abstractNavigatorItem instanceof ComponentsNavigatorItem) {
        navigatorView = ((ComponentsNavigatorItem) abstractNavigatorItem).getView();
    } else if (abstractNavigatorItem instanceof ComponentsNavigatorGroup) {
        ComponentsNavigatorGroup navigatorGroup = (ComponentsNavigatorGroup) abstractNavigatorItem;
        if (navigatorGroup.getParent() instanceof ComponentsNavigatorItem) {
            navigatorView = ((ComponentsNavigatorItem) navigatorGroup.getParent()).getView();
        }
    }
    if (navigatorView == null) {
        return;
    }
    IEditorInput editorInput = getEditorInput(navigatorView.getDiagram());
    IEditorPart editor = aPage.findEditor(editorInput);
    if (editor == null) {
        return;
    }
    aPage.bringToTop(editor);
    if (editor instanceof DiagramEditor) {
        DiagramEditor diagramEditor = (DiagramEditor) editor;
        ResourceSet diagramEditorResourceSet = diagramEditor.getEditingDomain().getResourceSet();
        EObject selectedView = diagramEditorResourceSet.getEObject(EcoreUtil.getURI(navigatorView), true);
        if (selectedView == null) {
            return;
        }
        GraphicalViewer graphicalViewer = (GraphicalViewer) diagramEditor.getAdapter(GraphicalViewer.class);
        EditPart selectedEditPart = (EditPart) graphicalViewer.getEditPartRegistry().get(selectedView);
        if (selectedEditPart != null) {
            graphicalViewer.select(selectedEditPart);
        }
    }
}

From source file:ac.soton.fmusim.components.ui.actions.DeleteDiagramAction.java

License:Open Source License

@Override
public void run() {
    if (!(site.getStructuredViewer().getSelection().isEmpty())) {
        IStructuredSelection ssel = (IStructuredSelection) site.getStructuredViewer().getSelection();

        Object element = ssel.getFirstElement(); // TODO: add support for multiple files
        if (element instanceof IAdaptable) {
            View view = (View) ((IAdaptable) element).getAdapter(View.class);
            Resource resource = view.eResource();

            if (resource != null && resource.isLoaded()) {
                IFile file = WorkspaceSynchronizer.getFile(resource);
                MessageDialog dialog = new MessageDialog(site.getViewSite().getShell(),
                        "Confirm Diagram Delete", null,
                        "Are you sure you want to delete the diagram file '" + file.getName()
                                + "' from the project '" + file.getParent().getName() + "' ?",
                        MessageDialog.QUESTION, new String[] { "Yes", "No" }, 0);

                if (dialog.open() == 0) {
                    Resource domResource = view.getElement().eResource();
                    try {
                        closeOpenedEditor(file);
                        file.delete(false, false, new NullProgressMonitor());
                        WorkspaceSynchronizer.getFile(domResource).delete(false, false,
                                new NullProgressMonitor());
                    } catch (PartInitException e) {
                        e.printStackTrace();
                    } catch (CoreException e) {
                        e.printStackTrace();
                    }/*from  ww w  .j  av  a 2 s .com*/
                }
            }
        }
    }

    // MULTIPLE FILES HANDLING (from Systerel's ActionCollection)
    //         
    //         // Putting the selection into a set which does not contains any pair
    //         // of parent and child
    //         Collection<IRodinElement> set = new ArrayList<IRodinElement>();
    //
    //         IStructuredSelection ssel = (IStructuredSelection) site.getStructuredViewer().getSelection();
    //
    //         for (Iterator<?> it = ssel.iterator(); it.hasNext();) {
    //            final Object obj = it.next();
    //            if (!(obj instanceof IRodinElement)) {
    //               continue;
    //            }
    //            IRodinElement elem = (IRodinElement) obj;
    //            if (elem.isRoot()) {
    //               elem = elem.getParent();
    //            }
    //            set = UIUtils.addToTreeSet(set, elem);
    //         }
    //         
    //         int answer = YesToAllMessageDialog.YES;
    //         for (IRodinElement element : set) {
    //         if (element instanceof IRodinFile) {
    //            if (answer != YesToAllMessageDialog.YES_TO_ALL) {
    //               answer = YesToAllMessageDialog.openYesNoToAllQuestion(
    //                     site.getViewSite().getShell(),
    //                     "Confirm File Delete",
    //                     "Are you sure you want to delete file '"
    //                           + ((IRodinFile) element)
    //                                 .getElementName()
    //                           + "' in project '"
    //                           + element.getParent().getElementName()
    //                           + "' ?");
    //            }
    //            if (answer == YesToAllMessageDialog.NO_TO_ALL)
    //               break;
    //
    //            if (answer != YesToAllMessageDialog.NO) {
    //               try {
    //                  closeOpenedEditor((IRodinFile) element);
    //                  ((IRodinFile) element).delete(true,
    //                        new NullProgressMonitor());
    //               } catch (PartInitException e) {
    //                  MessageDialog.openError(null, "Error", "Could not delete file");
    //               } catch (RodinDBException e) {
    //                  MessageDialog.openError(null, "Error", "Could not delete file");
    //               }
    //            }
    //         }
    //      }

}

From source file:ac.soton.fmusim.components.ui.actions.DeleteEventBComponentAction.java

License:Open Source License

@Override
public void run() {
    if (!(site.getStructuredViewer().getSelection().isEmpty())) {
        IStructuredSelection ssel = (IStructuredSelection) site.getStructuredViewer().getSelection();

        Object element = ssel.getFirstElement();
        if (element instanceof IAdaptable) {
            final EventBComponent component = (EventBComponent) ((IAdaptable) element)
                    .getAdapter(EObject.class);
            final Resource resource = component.eResource();

            if (resource != null && resource.isLoaded()) {
                TransactionalEditingDomain editingDomain = TransactionUtil.getEditingDomain(resource);
                if (editingDomain != null) {
                    Command cmd = new RecordingCommand(editingDomain, "Delete Diagram Command") {
                        protected void doExecute() {
                            EcoreUtil.delete(component, true);
                        }//from  w w  w  . jav  a2s  .c  o  m
                    };
                    if (cmd.canExecute()) {
                        editingDomain.getCommandStack().execute(cmd);
                        try {
                            resource.save(Collections.emptyMap());
                        } catch (IOException e) {
                            cmd.undo();
                            e.printStackTrace();
                        }
                    }
                }
            }
        }
    }
}

From source file:ac.soton.fmusim.components.ui.actions.OpenMachineAction.java

License:Open Source License

@Override
public void selectionChanged(IAction action, ISelection selection) {
    selectedElement = null;/*from   w w  w . j a va 2 s.co  m*/
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (structuredSelection.getFirstElement() instanceof EventBComponentEditPart)
            selectedElement = (EventBComponentEditPart) structuredSelection.getFirstElement();
    }
}

From source file:ac.soton.fmusim.components.ui.actions.SetParametersAction.java

License:Open Source License

@Override
public void selectionChanged(IAction action, ISelection selection) {
    selectedElement = null;/*  w  w  w  . j  a v a  2  s .  c  o m*/
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (structuredSelection.getFirstElement() instanceof FMUComponentEditPart)
            selectedElement = (FMUComponentEditPart) structuredSelection.getFirstElement();
    }
}

From source file:ac.soton.multisim.diagram.navigator.MultisimNavigatorLinkHelper.java

License:Open Source License

/**
 * @generated/*from   ww w. j  a v a2  s  .  co m*/
 */
public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
    if (aSelection == null || aSelection.isEmpty()) {
        return;
    }
    if (false == aSelection.getFirstElement() instanceof MultisimAbstractNavigatorItem) {
        return;
    }

    MultisimAbstractNavigatorItem abstractNavigatorItem = (MultisimAbstractNavigatorItem) aSelection
            .getFirstElement();
    View navigatorView = null;
    if (abstractNavigatorItem instanceof MultisimNavigatorItem) {
        navigatorView = ((MultisimNavigatorItem) abstractNavigatorItem).getView();
    } else if (abstractNavigatorItem instanceof MultisimNavigatorGroup) {
        MultisimNavigatorGroup navigatorGroup = (MultisimNavigatorGroup) abstractNavigatorItem;
        if (navigatorGroup.getParent() instanceof MultisimNavigatorItem) {
            navigatorView = ((MultisimNavigatorItem) navigatorGroup.getParent()).getView();
        }
    }
    if (navigatorView == null) {
        return;
    }
    IEditorInput editorInput = getEditorInput(navigatorView.getDiagram());
    IEditorPart editor = aPage.findEditor(editorInput);
    if (editor == null) {
        return;
    }
    aPage.bringToTop(editor);
    if (editor instanceof DiagramEditor) {
        DiagramEditor diagramEditor = (DiagramEditor) editor;
        ResourceSet diagramEditorResourceSet = diagramEditor.getEditingDomain().getResourceSet();
        EObject selectedView = diagramEditorResourceSet.getEObject(EcoreUtil.getURI(navigatorView), true);
        if (selectedView == null) {
            return;
        }
        GraphicalViewer graphicalViewer = (GraphicalViewer) diagramEditor.getAdapter(GraphicalViewer.class);
        EditPart selectedEditPart = (EditPart) graphicalViewer.getEditPartRegistry().get(selectedView);
        if (selectedEditPart != null) {
            graphicalViewer.select(selectedEditPart);
        }
    }
}

From source file:ac.soton.multisim.ui.actions.DeleteDiagramAction.java

License:Open Source License

@Override
public void run() {
    if (!(site.getStructuredViewer().getSelection().isEmpty())) {
        IStructuredSelection ssel = (IStructuredSelection) site.getStructuredViewer().getSelection();

        Object element = ssel.getFirstElement();
        if (element instanceof IAdaptable) {
            View view = (View) ((IAdaptable) element).getAdapter(View.class);
            Resource resource = view.eResource();

            if (resource != null && resource.isLoaded()) {
                IFile file = WorkspaceSynchronizer.getFile(resource);
                MessageDialog dialog = new MessageDialog(site.getViewSite().getShell(),
                        "Confirm Diagram Delete", null,
                        "Are you sure you want to delete the diagram file '" + file.getName()
                                + "' from the project '" + file.getParent().getName() + "' ?",
                        MessageDialog.QUESTION, new String[] { "Yes", "No" }, 0);

                if (dialog.open() == 0) {
                    Resource domResource = view.getElement().eResource();
                    try {
                        closeOpenedEditor(file);
                        file.delete(false, false, new NullProgressMonitor());
                        WorkspaceSynchronizer.getFile(domResource).delete(false, false,
                                new NullProgressMonitor());
                    } catch (PartInitException e) {
                        e.printStackTrace();
                    } catch (CoreException e) {
                        e.printStackTrace();
                    }// w  ww  .  j  av  a 2 s .  com
                }
            }
        }
    }
}

From source file:ac.soton.multisim.ui.actions.DeleteEventBComponentAction.java

License:Open Source License

@Override
public void run() {
    if (!(site.getStructuredViewer().getSelection().isEmpty())) {
        IStructuredSelection ssel = (IStructuredSelection) site.getStructuredViewer().getSelection();

        Object element = ssel.getFirstElement();
        if (element instanceof IAdaptable) {
            final EventBComponent component = (EventBComponent) ((IAdaptable) element)
                    .getAdapter(EObject.class);
            final Resource resource = component.eResource();

            if (resource != null && resource.isLoaded()) {
                TransactionalEditingDomain editingDomain = TransactionUtil.getEditingDomain(resource);
                if (editingDomain != null) {
                    Command cmd = new RecordingCommand(editingDomain, "Delete Component Command") {
                        protected void doExecute() {
                            EcoreUtil.delete(component, true);
                        }//from   www.  j a  v a 2 s  .c  om
                    };
                    if (cmd.canExecute()) {
                        editingDomain.getCommandStack().execute(cmd);
                        try {
                            resource.save(Collections.emptyMap());
                        } catch (IOException e) {
                            cmd.undo();
                            e.printStackTrace();
                        }
                    }
                }
            }
        }
    }
}

From source file:ac.soton.multisim.ui.actions.DeleteFMUResourceAction.java

License:Open Source License

@Override
public void run() {
    if (!(site.getStructuredViewer().getSelection().isEmpty())) {
        IStructuredSelection ssel = (IStructuredSelection) site.getStructuredViewer().getSelection();

        Object element = ssel.getFirstElement();
        if (element instanceof FMUResource) {
            File file = ((FMUResource) element).getFile();
            if (file != null) {
                URI uri = file.toURI();
                IWorkspace ws = ResourcesPlugin.getWorkspace();
                IFile[] files = ws.getRoot().findFilesForLocationURI(uri);
                if (files != null && files.length > 0) {
                    try {
                        files[0].delete(false, new NullProgressMonitor());
                    } catch (CoreException e) {
                        e.printStackTrace();
                    }/*from   w w w . java 2s  .com*/
                }
            }
        }
    }
}