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

List of usage examples for org.eclipse.jface.viewers IStructuredSelection isEmpty

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  6. isEmpty

Introduction

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

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:de.hentschel.visualdbc.dbcmodel.diagram.navigator.DbCNavigatorLinkHelper.java

License:Open Source License

/**
 * @generated/*  w ww .j a  v  a2s. co m*/
 */
public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
    if (aSelection == null || aSelection.isEmpty()) {
        return;
    }
    if (false == aSelection.getFirstElement() instanceof DbCAbstractNavigatorItem) {
        return;
    }

    DbCAbstractNavigatorItem abstractNavigatorItem = (DbCAbstractNavigatorItem) aSelection.getFirstElement();
    View navigatorView = null;
    if (abstractNavigatorItem instanceof DbCNavigatorItem) {
        navigatorView = ((DbCNavigatorItem) abstractNavigatorItem).getView();
    } else if (abstractNavigatorItem instanceof DbCNavigatorGroup) {
        DbCNavigatorGroup navigatorGroup = (DbCNavigatorGroup) abstractNavigatorItem;
        if (navigatorGroup.getParent() instanceof DbCNavigatorItem) {
            navigatorView = ((DbCNavigatorItem) 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:de.itemis.gmf.tools.contribution.GMFToolsHandler.java

License:Open Source License

private List<GmfModel> getGmfModel(ExecutionEvent event) throws ExecutionException {
    List<GmfModel> result = new ArrayList<GmfModel>();
    if (event != null) {
        String parameter = event.getParameter(GMF_TOOLS_CONFIG_PARAMETER_NAME);
        if (parameter != null) {
            result.add((GmfModel) new GmfModel.Factory().deserialize(parameter));
            return result;
        }/*from  w w  w  .  ja  va2s  .c o m*/
        parameter = event.getParameter(GMF_TOOLS_CONFIG_SET_PARAMETER_NAME);
        if (parameter != null) {
            String[] models = parameter.split(GMFButtonContributionFactory.GMF_MODELS_SEPARATOR);
            for (String model : models) {
                result.add((GmfModel) new GmfModel.Factory().deserialize(model));
            }
            return result;
        }
    }
    ISelection selection = window.getSelectionService().getSelection();
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (!structuredSelection.isEmpty()) {
            Object selectedElement = structuredSelection.getFirstElement();
            if (selectedElement instanceof IFile) {
                for (GmfModel gmfModels : PreferenceUtil.getGmfModels()) {
                    if (gmfModels.hasFile((IFile) selectedElement)) {
                        if (lastGmfModel == null) {
                            lastGmfModel = result;
                        } else {
                            lastGmfModel.clear();
                        }
                        lastGmfModel.add(gmfModels);
                    }
                }
            }

        }
    }
    return lastGmfModel;
}

From source file:de.itemis.gmf.tools.popup.actions.GMFToolsAction.java

License:Open Source License

/**
 * @see IActionDelegate#selectionChanged(IAction, ISelection)
 *//*from  www  .  j a v a  2  s . c o  m*/
public void selectionChanged(IAction action, ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (!structuredSelection.isEmpty()) {
            gmfModels.clear();
            List<GmfModel> registeredGmfModels = PreferenceUtil.getGmfModels();
            for (Iterator<?> iter = structuredSelection.iterator(); iter.hasNext();) {
                Object selectedElement = iter.next();
                if (selectedElement instanceof IFile) {
                    IFile selectedFile = (IFile) selectedElement;
                    String fileExtension = selectedFile.getFileExtension();
                    if (!this.fileExtension.equals(fileExtension)) {
                        gmfModels.clear();
                        action.setEnabled(false);
                        return;
                    }
                    for (GmfModel registeredGmfModel : registeredGmfModels) {
                        if (registeredGmfModel.hasFile(selectedFile)) {
                            action.setEnabled(true);
                            gmfModels.add(registeredGmfModel);
                            break;
                        }
                    }
                }
            }
            if (!gmfModels.isEmpty()) {
                return;
            }
        }
    }
    action.setEnabled(false);
}

From source file:de.itemis.tooling.terminology.ui.search.TerminologyEObjectSearchDialog.java

License:Open Source License

@Override
protected Control createDialogArea(Composite container) {
    Composite parent = (Composite) super.createDialogArea(container);
    if (enableStyledLabels && labelProvider instanceof IStyledLabelProvider) {
        final Table table = getTableViewer().getTable();
        final IStyledLabelProvider styledLabelProvider = (IStyledLabelProvider) labelProvider;
        TableOwnerDrawSupport.install(table);
        Listener listener = new Listener() {
            public void handleEvent(Event event) {
                handleSetData(event);//from w w  w.j a va 2s  . co m
            }

            protected void handleSetData(Event event) {
                TableItem item = (TableItem) event.item;
                IEObjectDescription description = (IEObjectDescription) item.getData();
                if (description != null) {
                    StyledString styledString = styledLabelProvider.getStyledText(description);
                    String displayString = styledString.toString();
                    StyleRange[] styleRanges = styledString.getStyleRanges();
                    item.setText(displayString);
                    TableOwnerDrawSupport.storeStyleRanges(item, 0, styleRanges);
                }
            }
        };
        table.addListener(SWT.SetData, listener);
    }
    messageLabel = new Label(parent, SWT.NONE);
    setDefaultGridData(messageLabel);
    EObjectDescriptionContentProvider contentProvider = new EObjectDescriptionContentProvider();
    getTableViewer().setContentProvider(contentProvider);
    getTableViewer().addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection selection = event.getSelection();
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection structuredSelection = (IStructuredSelection) selection;
                if (!structuredSelection.isEmpty()) {
                    Object firstElement = structuredSelection.getFirstElement();
                    if (firstElement instanceof IEObjectDescription) {
                        IEObjectDescription eObjectDescription = (IEObjectDescription) firstElement;
                        URI resourceURI = eObjectDescription.getEObjectURI().trimFragment();
                        if (resourceURI.isPlatform()) {
                            messageLabel.setText(resourceURI.toPlatformString(true));
                        } else if (resourceURI.isFile()) {
                            messageLabel.setText(resourceURI.toFileString());
                        } else {
                            messageLabel.setText(resourceURI.toString());
                        }
                        return;
                    }
                }
            }
            messageLabel.setText(""); //$NON-NLS-1$
        }
    });
    getTableViewer().addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            try {
                ISelection selection = event.getSelection();
                if (selection instanceof StructuredSelection) {
                    Object o = ((StructuredSelection) selection).getFirstElement();
                    if (o instanceof IEObjectDescription) {
                        IEObjectDescription selectedObjectDescription = (IEObjectDescription) o;
                        uriOpener.open(selectedObjectDescription.getEObjectURI(), true);
                    }
                }
            } catch (Exception e) {
                //               LOG.error("Error opening editor", e);
                //               throw new ExecutionException("Error opening editor", e);
            }

        }
    });

    applyFilter();

    return parent;
}

From source file:de.jcup.egradle.eclipse.gradleeditor.OpenGradleResourceDialog.java

License:Apache License

@Override
protected void fillContextMenu(IMenuManager menuManager) {
    super.fillContextMenu(menuManager);

    final IStructuredSelection selectedItems = getSelectedItems();
    if (selectedItems.isEmpty()) {
        return;//w  w  w .  j  av a  2s. c  o  m
    }

    IWorkbenchPage activePage = getActivePage();
    if (activePage == null) {
        return;
    }

    menuManager.add(new Separator());

    // Add 'Open' menu item
    OpenFileAction openFileAction = new OpenFileAction(activePage) {
        @Override
        public void run() {
            okPressed();
        }
    };
    openFileAction.selectionChanged(selectedItems);
    if (openFileAction.isEnabled()) {
        menuManager.add(openFileAction);

        IAdaptable selectedAdaptable = getSelectedAdaptable();
        if (selectedAdaptable != null) {

            // Add 'Open With' sub-menu
            MenuManager subMenu = new MenuManager("Open with");
            OpenWithMenu openWithMenu = new ResourceOpenWithMenu(activePage, selectedAdaptable);
            subMenu.add(openWithMenu);
            menuManager.add(subMenu);
        }
    }

}

From source file:de.jcup.egradle.eclipse.ide.launch.EGradleLaunchConfigurationMainTab.java

License:Apache License

/**
 * Try to resolve the project/* w w  w.  ja v a2  s.c om*/
 * 
 * @return project or <code>null</code>
 */
protected IProject getProject() {
    IWorkbenchWindow window = IDEActivator.getDefault().getWorkbench().getActiveWorkbenchWindow();
    IWorkbenchPage page = window.getActivePage();
    if (page != null) {
        ISelection selection = page.getSelection();
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection ss = (IStructuredSelection) selection;
            if (!ss.isEmpty()) {
                Object obj = ss.getFirstElement();
                if (obj instanceof IProject) {
                    return (IProject) obj;
                }
                if (obj instanceof IResource) {
                    IProject pro = ((IResource) obj).getProject();
                    return pro;

                }
            }
        }
    }
    return null;
}

From source file:de.jcup.egradle.eclipse.launch.EGradleLaunchConfigurationMainTab.java

License:Apache License

/**
 * Try to resolve the project//from www  . jav a2 s.co  m
 * 
 * @return project or <code>null</code>
 */
protected IProject getProject() {
    IWorkbenchWindow window = Activator.getDefault().getWorkbench().getActiveWorkbenchWindow();
    IWorkbenchPage page = window.getActivePage();
    if (page != null) {
        ISelection selection = page.getSelection();
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection ss = (IStructuredSelection) selection;
            if (!ss.isEmpty()) {
                Object obj = ss.getFirstElement();
                if (obj instanceof IProject) {
                    return (IProject) obj;
                }
                if (obj instanceof IResource) {
                    IProject pro = ((IResource) obj).getProject();
                    return pro;

                }
            }
        }
    }
    return null;
}

From source file:de.justi.yagw2api.explorer.rcp.map.WorldMapViewPart.java

License:Apache License

private Optional<ContinentFloor> getSelectedFloor() {
    final IStructuredSelection structuredSelection = (IStructuredSelection) this.cmbFloorViewer.getSelection();
    if (!structuredSelection.isEmpty()) {
        return Optional.of((ContinentFloor) structuredSelection.getFirstElement());
    } else {/*from  ww  w.j  a  v  a2  s .  c  o  m*/
        return Optional.absent();
    }
}

From source file:de.justi.yagw2api.explorer.rcp.map.WorldMapViewPart.java

License:Apache License

private Optional<Continent> getSelectedContinent() {
    final IStructuredSelection structuredSelection = (IStructuredSelection) this.cmbContinentViewer
            .getSelection();//w w  w  . j a  va  2  s  .c om
    if (!structuredSelection.isEmpty()) {
        return Optional.of((Continent) structuredSelection.getFirstElement());
    } else {
        return Optional.absent();
    }
}