Example usage for org.eclipse.jface.viewers StructuredSelection EMPTY

List of usage examples for org.eclipse.jface.viewers StructuredSelection EMPTY

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers StructuredSelection EMPTY.

Prototype

StructuredSelection EMPTY

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Document

The canonical empty selection.

Usage

From source file:ac.soton.fmusim.components.presentation.ComponentsEditor.java

License:Open Source License

/**
 * Handles what to do with changed resources on activation.
 * <!-- begin-user-doc -->//from   ww w  .  ja v  a 2 s  .c o m
 * <!-- end-user-doc -->
 * @generated
 */
protected void handleChangedResources() {
    if (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) {
        if (isDirty()) {
            changedResources.addAll(editingDomain.getResourceSet().getResources());
        }
        editingDomain.getCommandStack().flush();

        updateProblemIndication = false;
        for (Resource resource : changedResources) {
            if (resource.isLoaded()) {
                resource.unload();
                try {
                    resource.load(Collections.EMPTY_MAP);
                } catch (IOException exception) {
                    if (!resourceToDiagnosticMap.containsKey(resource)) {
                        resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
                    }
                }
            }
        }

        if (AdapterFactoryEditingDomain.isStale(editorSelection)) {
            setSelection(StructuredSelection.EMPTY);
        }

        updateProblemIndication = true;
        updateProblemIndication();
    }
}

From source file:ac.soton.fmusim.components.presentation.ComponentsEditor.java

License:Open Source License

/**
 * This makes sure that one content viewer, either for the current page or the outline view, if it has focus,
 * is the current one.//from   w  w w . j a  v a 2s  . c o  m
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public void setCurrentViewer(Viewer viewer) {
    // If it is changing...
    //
    if (currentViewer != viewer) {
        if (selectionChangedListener == null) {
            // Create the listener on demand.
            //
            selectionChangedListener = new ISelectionChangedListener() {
                // This just notifies those things that are affected by the section.
                //
                public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
                    setSelection(selectionChangedEvent.getSelection());
                }
            };
        }

        // Stop listening to the old one.
        //
        if (currentViewer != null) {
            currentViewer.removeSelectionChangedListener(selectionChangedListener);
        }

        // Start listening to the new one.
        //
        if (viewer != null) {
            viewer.addSelectionChangedListener(selectionChangedListener);
        }

        // Remember it.
        //
        currentViewer = viewer;

        // Set the editors selection based on the current viewer's selection.
        //
        setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
    }
}

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

License:Open Source License

/**
 * @generated//  w  w  w.j  av a  2 s  .  c  om
 */
public IStructuredSelection findSelection(IEditorInput anInput) {
    IDiagramDocument document = MultisimDiagramEditorPlugin.getInstance().getDocumentProvider()
            .getDiagramDocument(anInput);
    if (document == null) {
        return StructuredSelection.EMPTY;
    }
    Diagram diagram = document.getDiagram();
    if (diagram == null || diagram.eResource() == null) {
        return StructuredSelection.EMPTY;
    }
    IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
    if (file != null) {
        MultisimNavigatorItem item = new MultisimNavigatorItem(diagram, file, false);
        return new StructuredSelection(item);
    }
    return StructuredSelection.EMPTY;
}

From source file:ac.soton.multisim.diagram.part.MultisimDiagramEditor.java

License:Open Source License

/**
 * @generated// w w  w .  j a  v  a 2  s  .com
 */
private ISelection getNavigatorSelection() {
    IDiagramDocument document = getDiagramDocument();
    if (document == null) {
        return StructuredSelection.EMPTY;
    }
    Diagram diagram = document.getDiagram();
    if (diagram == null || diagram.eResource() == null) {
        return StructuredSelection.EMPTY;
    }
    IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
    if (file != null) {
        MultisimNavigatorItem item = new MultisimNavigatorItem(diagram, file, false);
        return new StructuredSelection(item);
    }
    return StructuredSelection.EMPTY;
}

From source file:ac.soton.multisim.diagram.part.MultisimNewDiagramFileWizard.java

License:Open Source License

/**
 * @generated//w  w w . j a  v a2  s  . c  o m
 */
public MultisimNewDiagramFileWizard(URI domainModelURI, EObject diagramRoot,
        TransactionalEditingDomain editingDomain) {
    assert domainModelURI != null : "Domain model uri must be specified"; //$NON-NLS-1$
    assert diagramRoot != null : "Doagram root element must be specified"; //$NON-NLS-1$
    assert editingDomain != null : "Editing domain must be specified"; //$NON-NLS-1$

    myFileCreationPage = new WizardNewFileCreationPage(Messages.MultisimNewDiagramFileWizard_CreationPageName,
            StructuredSelection.EMPTY);
    myFileCreationPage.setTitle(Messages.MultisimNewDiagramFileWizard_CreationPageTitle);
    myFileCreationPage.setDescription(NLS.bind(Messages.MultisimNewDiagramFileWizard_CreationPageDescription,
            ComponentDiagramEditPart.MODEL_ID));
    IPath filePath;
    String fileName = URI.decode(domainModelURI.trimFileExtension().lastSegment());
    if (domainModelURI.isPlatformResource()) {
        filePath = new Path(domainModelURI.trimSegments(1).toPlatformString(true));
    } else if (domainModelURI.isFile()) {
        filePath = new Path(domainModelURI.trimSegments(1).toFileString());
    } else {
        // TODO : use some default path
        throw new IllegalArgumentException("Unsupported URI: " + domainModelURI); //$NON-NLS-1$
    }
    myFileCreationPage.setContainerFullPath(filePath);
    myFileCreationPage.setFileName(MultisimDiagramEditorUtil.getUniqueFileName(filePath, fileName, "msd")); //$NON-NLS-1$

    diagramRootElementSelectionPage = new DiagramRootElementSelectionPage(
            Messages.MultisimNewDiagramFileWizard_RootSelectionPageName);
    diagramRootElementSelectionPage.setTitle(Messages.MultisimNewDiagramFileWizard_RootSelectionPageTitle);
    diagramRootElementSelectionPage
            .setDescription(Messages.MultisimNewDiagramFileWizard_RootSelectionPageDescription);
    diagramRootElementSelectionPage.setModelElement(diagramRoot);

    myEditingDomain = editingDomain;
}

From source file:ac.soton.rms.components.diagram.part.ComponentsNewDiagramFileWizard.java

License:Open Source License

/**
 * @generated//from   ww w  .  j  a v a  2s . c  o m
 */
public ComponentsNewDiagramFileWizard(URI domainModelURI, EObject diagramRoot,
        TransactionalEditingDomain editingDomain) {
    assert domainModelURI != null : "Domain model uri must be specified"; //$NON-NLS-1$
    assert diagramRoot != null : "Doagram root element must be specified"; //$NON-NLS-1$
    assert editingDomain != null : "Editing domain must be specified"; //$NON-NLS-1$

    myFileCreationPage = new WizardNewFileCreationPage(Messages.ComponentsNewDiagramFileWizard_CreationPageName,
            StructuredSelection.EMPTY);
    myFileCreationPage.setTitle(Messages.ComponentsNewDiagramFileWizard_CreationPageTitle);
    myFileCreationPage.setDescription(NLS.bind(Messages.ComponentsNewDiagramFileWizard_CreationPageDescription,
            ComponentDiagramEditPart.MODEL_ID));
    IPath filePath;
    String fileName = URI.decode(domainModelURI.trimFileExtension().lastSegment());
    if (domainModelURI.isPlatformResource()) {
        filePath = new Path(domainModelURI.trimSegments(1).toPlatformString(true));
    } else if (domainModelURI.isFile()) {
        filePath = new Path(domainModelURI.trimSegments(1).toFileString());
    } else {
        // TODO : use some default path
        throw new IllegalArgumentException("Unsupported URI: " + domainModelURI); //$NON-NLS-1$
    }
    myFileCreationPage.setContainerFullPath(filePath);
    myFileCreationPage.setFileName(ComponentsDiagramEditorUtil.getUniqueFileName(filePath, fileName, "rmd")); //$NON-NLS-1$

    diagramRootElementSelectionPage = new DiagramRootElementSelectionPage(
            Messages.ComponentsNewDiagramFileWizard_RootSelectionPageName);
    diagramRootElementSelectionPage.setTitle(Messages.ComponentsNewDiagramFileWizard_RootSelectionPageTitle);
    diagramRootElementSelectionPage
            .setDescription(Messages.ComponentsNewDiagramFileWizard_RootSelectionPageDescription);
    diagramRootElementSelectionPage.setModelElement(diagramRoot);

    myEditingDomain = editingDomain;
}

From source file:ar.com.fluxit.jqa.wizard.page.UsageDefinitionWizardPage.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    Composite container = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.numColumns = 1;/*from  w w  w  . j  a v  a2  s .  c  o m*/
    container.setLayout(layout);

    viewer = new GraphViewer(container, SWT.BORDER);
    viewer.setContentProvider(new LayersGraphContentProvider());
    viewer.setLabelProvider(new LayersGraphLabelProvider());
    viewer.setConnectionStyle(ZestStyles.CONNECTIONS_DIRECTED);
    LayoutAlgorithm graphLayout = new TreeLayoutAlgorithm(LayoutStyles.NO_LAYOUT_NODE_RESIZING);
    graphLayout.setEntityAspectRatio(0.95);
    viewer.setLayoutAlgorithm(graphLayout, true);
    viewer.applyLayout();
    viewer.getGraphControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    viewer.addPostSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            StructuredSelection selection = (StructuredSelection) event.getSelection();
            if (!selection.isEmpty()) {
                @SuppressWarnings("unchecked")
                List<Object> selectedObjects = selection.toList();
                EntityConnectionData connection = findConnection(selectedObjects);
                if (connection == null) {
                    if (selectedObjects.size() > 1) {
                        LayerDescriptor sourceLayer = (LayerDescriptor) selectedObjects.get(0);
                        LayerDescriptor destinationLayer = (LayerDescriptor) selectedObjects.get(1);
                        sourceLayer.addUsage(destinationLayer);
                        viewer.refresh();
                        viewer.setSelection(StructuredSelection.EMPTY);
                    }
                } else {
                    ((LayerDescriptor) connection.source).removeUsage((LayerDescriptor) connection.dest);
                    viewer.refresh();
                    viewer.setSelection(StructuredSelection.EMPTY);
                }
            }
        }
    });

    final Menu menu = new Menu(viewer.getGraphControl());

    MenuItem layoutMenuItem = new MenuItem(menu, SWT.PUSH);
    layoutMenuItem.setText("Layout");
    layoutMenuItem.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.applyLayout();
        }
    });

    MenuItem resetMenuItem = new MenuItem(menu, SWT.PUSH);
    resetMenuItem.setText("Reset");
    resetMenuItem.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            boolean openConfirm = MessageDialog.openConfirm(menu.getShell(), "Confirm reset", "Are you sure?");
            if (openConfirm) {
                for (LayerDescriptor layer : getArchitectureDescriptor().getLayers()) {
                    layer.clearUsages();
                    viewer.refresh();
                }
            }
        }
    });

    viewer.getGraphControl().setMenu(menu);
    setControl(container);
    ((WizardDialog) getContainer()).addPageChangedListener(this);
}

From source file:at.bitandart.zoubek.mervin.model.modelreview.presentation.ModelReviewEditor.java

License:Open Source License

/**
 * This makes sure that one content viewer, either for the current page or
 * the outline view, if it has focus, is the current one. <!--
 * begin-user-doc --> <!-- end-user-doc -->
 * /*w w w  . j  av  a  2 s. c o  m*/
 * @generated
 */
public void setCurrentViewer(Viewer viewer) {
    // If it is changing...
    //
    if (currentViewer != viewer) {
        if (selectionChangedListener == null) {
            // Create the listener on demand.
            //
            selectionChangedListener = new ISelectionChangedListener() {
                // This just notifies those things that are affected by the
                // section.
                //
                public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
                    setSelection(selectionChangedEvent.getSelection());
                }
            };
        }

        // Stop listening to the old one.
        //
        if (currentViewer != null) {
            currentViewer.removeSelectionChangedListener(selectionChangedListener);
        }

        // Start listening to the new one.
        //
        if (viewer != null) {
            viewer.addSelectionChangedListener(selectionChangedListener);
        }

        // Remember it.
        //
        currentViewer = viewer;

        // Set the editors selection based on the current viewer's
        // selection.
        //
        setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
    }
}

From source file:at.bitandart.zoubek.mervin.swt.comments.CommentListViewer.java

License:Open Source License

@Override
public ISelection getSelection() {
    // This viewer does not support selection (yet)
    return StructuredSelection.EMPTY;
}

From source file:at.bitandart.zoubek.mervin.swt.diff.tree.TreeDiffViewer.java

License:Open Source License

@Override
public ISelection getSelection() {
    return StructuredSelection.EMPTY;
}