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

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

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

Prototype

StructuredSelection EMPTY

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The canonical empty selection.

Usage

From source file:gov.nasa.ensemble.core.plan.editor.lifecycle.AbstractExportPlanAction.java

License:Open Source License

protected IStructuredSelection getCurrentSelection() {
    IStructuredSelection structuredSeleciton = StructuredSelection.EMPTY;
    IEditorPart current = EditorPartUtils.getCurrent(window);
    if (current != null) {
        Object adapter = current.getAdapter(EPlan.class);
        if (adapter instanceof EPlan) {
            EPlan plan = (EPlan) adapter;
            adapter = plan.getAdapter(IResource.class);
            if (adapter != null) {
                structuredSeleciton = new StructuredSelection(adapter);
            }//from   www .j  a v  a  2s. co m
        }
    }

    return structuredSeleciton;
}

From source file:gov.nasa.ensemble.core.plan.editor.merge.operations.MergePlanClipboardCutOperation.java

License:Open Source License

@Override
protected void execute() {
    WidgetUtils.runInDisplayThread(tree, new Runnable() {
        @Override//from  www . j av  a 2s  .  c  o  m
        public void run() {
            TreeItem newSelectedItem = MergeEditor.getNewlySelectedItem(tree);
            if (newSelectedItem != null) {
                newSelection = new StructuredSelection(newSelectedItem.getData());
            } else {
                newSelection = StructuredSelection.EMPTY;
            }
        }
    }, true);
    super.execute();
    WidgetUtils.runInDisplayThread(tree, new Runnable() {
        @Override
        public void run() {
            if ((provider != null) && (newSelection != null)) {
                provider.setSelection(newSelection);
            }
        }
    }, true);
}

From source file:gov.nasa.ensemble.core.plan.resources.ui.profile.editor.ProfileDataPointsEditor.java

License:Open Source License

@SuppressWarnings("unchecked")
private TreeTableViewer createTreeTableViewer(final Composite parent, FormToolkit toolkit,
        final Profile profile) {
    boolean isProfileEditable = isProfileEditable(profile);
    //create tree viewer
    List<AbstractTreeTableColumn> columns = new ProfileDataPointColumnProvider(profile, isProfileEditable)
            .getColumns();// w ww  . j a  va 2 s  . c o  m
    TreeTableColumnConfiguration config = new TreeTableColumnConfiguration(columns.get(0), columns,
            columns.get(0));
    TreeTableComposite ttc = new TreeTableComposite(parent, config, false);
    ttc.setLayout(new TreeTableColumnLayout(false));
    final TreeTableViewer viewer = new TreeTableViewer(ttc, config, null);

    //set providers
    viewer.setContentProvider(new ProfileEditorContentProvider());
    viewer.setLabelProvider(new TreeTableLabelProvider() {
        @Override
        public boolean needsUpdate(Object feature) {
            return false;
        }

        @Override
        public Font getFont(Object element) {
            return null;
        }

        @Override
        public Color getBackground(Object element) {
            return null;
        }
    });

    //if there's any changes in the profile data points... refresh viewer!
    final TransactionalEditingDomain domain = gov.nasa.ensemble.emf.transaction.TransactionUtils
            .getDomain(profile);
    final ResourceSetListenerImpl viewerRefreshListener = new ResourceSetListenerImpl() {
        @Override
        public void resourceSetChanged(ResourceSetChangeEvent event) {
            for (Notification notification : event.getNotifications()) {
                if (notification.getNotifier() == profile
                        && notification.getFeature() == JSciencePackage.Literals.PROFILE__DATA_POINTS) {
                    WidgetUtils.runInDisplayThread(viewer.getTree(), new Runnable() {
                        @Override
                        public void run() {
                            viewer.refresh();
                            parent.getParent().getParent().layout();
                        }
                    });
                }
            }
        }
    };
    if (domain != null) {
        domain.addResourceSetListener(viewerRefreshListener);
    }

    if (isProfileEditable) {
        Composite buttonsComposite = toolkit.createComposite(parent);
        buttonsComposite.setLayout(new GridLayout(2, false));
        buttonsComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 2, 1));

        //insert new DataPoint
        final Button insertButton = toolkit.createButton(buttonsComposite, INSERT_BUTTON_TEXT, SWT.PUSH);
        insertButton.setToolTipText(INSERT_TOOLTIP_MESSAGE);
        final SelectionAdapter insertButtonSelectionListener = new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent event) {
                EList<DataPoint> dataPoints = profile.getDataPoints();
                DataPoint newDataPoint;
                if (dataPoints.isEmpty()) {
                    EPlan ePlan = EPlanUtils.getPlanFromResourceSet(profile);
                    Date date = (ePlan != null ? ePlan.getMember(TemporalMember.class).getStartTime()
                            : new Date());
                    newDataPoint = JScienceFactory.eINSTANCE.createEDataPoint(date, null);
                } else {
                    Date date;
                    ISelection selection = viewer.getSelection();
                    if (selection == null || selection.isEmpty()) {
                        date = dataPoints.get(dataPoints.size() - 1).getDate();
                    } else if (selection instanceof StructuredSelection) {
                        Object[] array = ((StructuredSelection) selection).toArray();
                        date = ((DataPoint) array[array.length - 1]).getDate();
                    } else {
                        date = new Date(); //if everything fails... just set to now
                    }
                    newDataPoint = JScienceFactory.eINSTANCE.createEDataPoint(DateUtils.addSeconds(date, 1),
                            null);
                }
                if (!dataPoints.contains(newDataPoint)) {
                    try {
                        AddProfileDataPointOperation op = new AddProfileDataPointOperation(profile,
                                newDataPoint);
                        op.addContext(viewer.getModel().getUndoContext());
                        IOperationHistory history = OperationHistoryFactory.getOperationHistory();
                        history.execute(op, null, null);
                        viewer.setSelection(new StructuredSelection(newDataPoint));
                    } catch (Exception e) {
                        LogUtil.error(e);
                    }
                } else {
                    showOperationError();
                    viewer.setSelection(new StructuredSelection(newDataPoint));
                }

            }
        };
        insertButton.addSelectionListener(insertButtonSelectionListener);

        //remove Data Point
        final Button removeButton = toolkit.createButton(buttonsComposite, REMOVE_BUTTON_TEXT, SWT.PUSH);
        removeButton.setToolTipText(REMOVE_TOOLTIP_MESSAGE);
        removeButton.setEnabled(!viewer.getSelection().isEmpty());
        final SelectionAdapter removeButtonSelectionListener = new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent event) {
                ISelection selection = viewer.getSelection();
                if (!selection.isEmpty()) {
                    if (selection instanceof StructuredSelection) {
                        StructuredSelection ss = (StructuredSelection) selection;
                        int selectionSize = ss.size();
                        DataPoint[] dps = new DataPoint[selectionSize];
                        Iterator<DataPoint> iterator = ss.iterator();
                        int i = 0;
                        while (iterator.hasNext()) {
                            dps[i++] = iterator.next();
                        }
                        RemoveProfileDataPointsOperation op = new RemoveProfileDataPointsOperation(profile,
                                dps);
                        op.addContext(EMFUtils.getUndoContext(profile));
                        IOperationHistory history = OperationHistoryFactory.getOperationHistory();
                        try {
                            history.execute(op, null, null);
                            viewer.setSelection(StructuredSelection.EMPTY);
                        } catch (Exception e) {
                            LogUtil.error(e);
                        }
                    }
                }
            }
        };
        removeButton.addSelectionListener(removeButtonSelectionListener);
        final ISelectionChangedListener removeButtonEnablementListener = new ISelectionChangedListener() {
            @Override
            public void selectionChanged(SelectionChangedEvent event) {
                removeButton.setEnabled(!viewer.getSelection().isEmpty());
            }
        };
        viewer.addSelectionChangedListener(removeButtonEnablementListener);

        //set dispose listener for editable profiles
        viewer.getControl().addDisposeListener(new DisposeListener() {
            @Override
            public void widgetDisposed(DisposeEvent e) {
                if (domain != null) {
                    domain.removeResourceSetListener(viewerRefreshListener);
                }
                insertButton.removeSelectionListener(insertButtonSelectionListener);
                removeButton.removeSelectionListener(removeButtonSelectionListener);
                viewer.removeSelectionChangedListener(removeButtonEnablementListener);
                dispose(viewer);
            }
        });
    } else {
        //set dispose listener for non-editable profiles
        viewer.getControl().addDisposeListener(new DisposeListener() {
            @Override
            public void widgetDisposed(DisposeEvent e) {
                if (domain != null) {
                    domain.removeResourceSetListener(viewerRefreshListener);
                }
                dispose(viewer);
            }
        });
    }
    return viewer;
}

From source file:gov.nasa.ensemble.tests.core.plan.editor.TestCopyPasteManyTimesOperation.java

License:Open Source License

public void testPlanCopyPasteManyTimesOperation000() {
    IStructuredSelection targetSelection = StructuredSelection.EMPTY;
    int copies = 0;
    SelectionProviderAdapter selectionProvider = new SelectionProviderAdapter();
    PlanStructureModifier modifier = PlanStructureModifier.INSTANCE;
    PlanCopyPasteManyTimesOperation operation = new PlanCopyPasteManyTimesOperation(targetSelection, modifier,
            copies, selectionProvider);/*  w  w w  .  ja v  a2  s .com*/
    assertFalse(operation.canExecute());
}

From source file:gov.nasa.ensemble.tests.core.plan.editor.TestCopyPasteManyTimesOperation.java

License:Open Source License

public void testPlanCopyPasteManyTimesOperation100() {
    IStructuredSelection targetSelection = StructuredSelection.EMPTY;
    int copies = 1;
    SelectionProviderAdapter selectionProvider = new SelectionProviderAdapter();

    PlanStructureModifier modifier = PlanStructureModifier.INSTANCE;
    PlanCopyPasteManyTimesOperation operation = new PlanCopyPasteManyTimesOperation(targetSelection, modifier,
            copies, selectionProvider);//from w  w w.j  a v  a 2  s.  c  o  m
    assertFalse(operation.canExecute());
}

From source file:gov.nasa.ensemble.tests.core.plan.editor.TestCopyPasteManyTimesOperation.java

License:Open Source License

public void testPlanCopyPasteManyTimesOperation200() {
    IStructuredSelection targetSelection = StructuredSelection.EMPTY;
    int copies = 2;
    SelectionProviderAdapter selectionProvider = new SelectionProviderAdapter();

    PlanStructureModifier modifier = PlanStructureModifier.INSTANCE;
    PlanCopyPasteManyTimesOperation operation = new PlanCopyPasteManyTimesOperation(targetSelection, modifier,
            copies, selectionProvider);/* w  w  w .  j a v a 2s .c om*/
    assertFalse(operation.canExecute());
}

From source file:gov.redhawk.frontend.ui.internal.section.FrontendSection.java

License:Open Source License

public void unsetPageSelection() {
    page.selectionChanged(inputPart, StructuredSelection.EMPTY);
    setInput(null, null);
}

From source file:gov.redhawk.ui.editor.FormOutlinePage.java

License:Open Source License

/**
 * Gets the selection./*from   w  w  w  . j av  a2s .  co  m*/
 * 
 * @return the selection
 */
@Override
public ISelection getSelection() {
    if (this.treeViewer == null) {
        return StructuredSelection.EMPTY;
    }
    return this.treeViewer.getSelection();
}

From source file:ilg.gnuarmeclipse.managedbuild.packs.ui.TabDevices.java

License:Open Source License

private void devicesTreeSelectionChanged(SelectionChangedEvent event) {

    IStructuredSelection selection = (IStructuredSelection) event.getSelection();

    // System.out.println(selection);

    Object element = selection.getFirstElement();
    if (!(element instanceof Node)) {
        return;//w  w w. j  a  va2 s .co  m
    }

    Node node = (Node) element;

    if (!node.isType(Type.DEVICE)) {
        // Do not allow selections for other nodes than devices
        fDevicesTree.setSelection(StructuredSelection.EMPTY);
        return;
    }

    fSelectedDeviceNode = null;
    fSelectedBoardDeviceNode = null;
    if (node.getParent().isType(Type.BOARD)) {

        // Search for true device node
        fSelectedDeviceNode = findBoardDevice(node);
        if (fSelectedDeviceNode == null) {
            // Do not allow selections for undefined board devices
            fDevicesTree.setSelection(StructuredSelection.EMPTY);
            return;
        }
        fSelectedBoardDeviceNode = node;
    } else {
        // System.out.println("Device " + element);
        fSelectedDeviceNode = node;
    }

    Map<String, String[]> map = collectMemoryMap(fSelectedDeviceNode);

    updateMemoryTableContent(map);

    String arch = DataManager.collectProperty(fSelectedDeviceNode, Node.CORE_PROPERTY, Type.DEVICES_SUBTREE);
    fArchitectureLabel.setText(arch);

    if (fSelectedDeviceNode != null) {
        fDeviceLabel.setText(fSelectedDeviceNode.getName());
    }
}

From source file:ilg.gnumcueclipse.managedbuild.packs.ui.TabDevices.java

License:Open Source License

private void devicesTreeSelectionChanged(SelectionChangedEvent event) {

    IStructuredSelection selection = (IStructuredSelection) event.getSelection();

    if (Activator.getInstance().isDebugging()) {
        System.out.println("Devices.devicesTreeSelectionChanged() " + selection);
    }/*from www.  j  a v a  2s.  c  o  m*/

    Object element = selection.getFirstElement();
    if (!(element instanceof Node)) {
        return;
    }

    Node node = (Node) element;

    if (!node.isType(Type.DEVICE)) {
        // Do not allow selections for other nodes than devices
        fDevicesTree.setSelection(StructuredSelection.EMPTY);
        return;
    }

    fSelectedDeviceNode = null;
    fSelectedBoardDeviceNode = null;
    if (node.getParent().isType(Type.BOARD)) {

        // Search for true device node
        fSelectedDeviceNode = findBoardDevice(node);
        if (fSelectedDeviceNode == null) {
            // Do not allow selections for undefined board devices
            fDevicesTree.setSelection(StructuredSelection.EMPTY);
            return;
        }
        fSelectedBoardDeviceNode = node;
    } else {
        // System.out.println("Device " + element);
        fSelectedDeviceNode = node;
    }

    Map<String, String[]> map = collectMemoryMap(fSelectedDeviceNode);

    updateMemoryTableContent(map);

    String arch = DataManager.collectProperty(fSelectedDeviceNode, Node.CORE_PROPERTY, Type.DEVICES_SUBTREE);
    fArchitectureLabel.setText(arch);

    if (fSelectedDeviceNode != null) {
        fDeviceLabel.setText(fSelectedDeviceNode.getName());
    }
}