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

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

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Introduction

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

Prototype

@Override
    public Object getFirstElement()

Source Link

Usage

From source file:msi.gama.core.web.workspace.ui.wizards.AbstractNewResourceWizardPage.java

License:Open Source License

protected void createContainerArea(Composite composite) {
    Composite result = new Composite(composite, SWT.NONE);
    result.setLayout(new GridLayout());

    Label label = new Label(result, SWT.NONE);
    label.setText("&Select the parent folder:");

    fViewer = createViewer(result);//from w  ww  .j av  a  2  s  . c o m
    GridData data = new GridData(GridData.FILL_BOTH);
    result.setLayoutData(data);
    fViewer.getControl().setLayoutData(data);

    StructuredSelection initialSelection = (StructuredSelection) getInitialElementSelections().get(0);
    getContainerViewer().setSelection(initialSelection);
    getContainerViewer().setExpandedElements(new Object[] { initialSelection.getFirstElement() });
    getContainerViewer().addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            viewerSelectionChanged(event);
        }
    });
}

From source file:name.schedenig.eclipse.grepconsole.view.items.ItemsTreePanel.java

License:Open Source License

/**
 * Returns the currently selected element. If multiple elements are selected,
 * the first one is returned.//from   w  w w  . java 2s .  com
 * 
 * @return Element. May be <code>null</code>.
 */
public AbstractGrepModelElement getSelectedElement() {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();

    if (selection.isEmpty()) {
        return null;
    }

    return (AbstractGrepModelElement) selection.getFirstElement();
}

From source file:net.bioclipse.reaction.editor.ReactionEditor.java

License:Open Source License

public Object getAdapter(Class adapter) {
    if (adapter == ZoomManager.class)
        return ((ScalableRootEditPart) getGraphicalViewer().getRootEditPart()).getZoomManager();

    System.out.println("getAdapter  redi" + adapter);
    if (IContentOutlinePage.class.equals(adapter)) {
        if (fOutlinePage == null) {
            fOutlinePage = new ReactionOutLinePage(this);
        }/*from  w w w .  j  av a 2s .  c o m*/
        return fOutlinePage;
    }
    if (IChemObject.class.equals(adapter)) {
        StructuredSelection sele = (StructuredSelection) this.getEditorGraphicalViewer().getSelection();
        if (sele.getFirstElement() instanceof CompoundObjectEditPart) {
            Object model = ((CompoundObjectEditPart) sele.getFirstElement()).getModel();
            if (model instanceof CompoundObjectModel)
                return ((CompoundObjectModel) model).getIMolecule();
        } else if (sele.getFirstElement() instanceof ReactionObjectEditPart) {
            Object model = ((ReactionObjectEditPart) sele.getFirstElement()).getModel();
            if (model instanceof ReactionObjectModel)
                return ((ReactionObjectModel) model).getIReaction();
        }
    }
    return super.getAdapter(adapter);
}

From source file:net.cryptea.view.BuddiesView.java

License:Open Source License

@PostConstruct
public void createComposite(Composite parent) {

    parent.setLayout(new GridLayout(1, false));

    tree = new TreeViewer(parent);
    tree.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
    tree.setContentProvider(new BuddyContentProvider());
    tree.setLabelProvider(new BuddyLabelProvider());

    tree.addDoubleClickListener(new IDoubleClickListener() {
        @Override// w  w  w.  ja  v  a 2 s  .  c  o m
        public void doubleClick(DoubleClickEvent event) {
            StructuredSelection selection = (StructuredSelection) event.getSelection();
            BuddyModel bm = (BuddyModel) selection.getFirstElement();
            openPart(bm);
        }
    });
}

From source file:net.efano.sandbox.jface.snippets.TableViewerColors.java

License:Open Source License

/**
 * @param args/*from   w ww  .  j av a 2 s.c  o m*/
 */
public static void main(String[] args) {
    final List<Person> persons = new ArrayList<Person>();
    persons.add(new Person("Fiona Apple", Person.FEMALE));
    persons.add(new Person("Elliot Smith", Person.MALE));
    persons.add(new Person("Diana Krall", Person.FEMALE));
    persons.add(new Person("David Gilmour", Person.MALE));

    final Display display = new Display();
    Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
        public void run() {
            Shell shell = new Shell(display);
            shell.setText("Gender Bender");
            shell.setLayout(new GridLayout());

            Table table = new Table(shell, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
            GridData gd_table = new GridData(SWT.FILL, SWT.FILL, true, false);
            gd_table.heightHint = 352;
            table.setLayoutData(gd_table);
            table.setHeaderVisible(true);
            table.setLinesVisible(true);
            TableColumn column = new TableColumn(table, SWT.NONE);
            column.setText("No");
            column.setWidth(20);
            column = new TableColumn(table, SWT.NONE);
            column.setText("Name");
            column.setWidth(100);
            final TableViewer viewer = new TableViewer(table);

            IObservableList observableList = Observables.staticObservableList(persons);
            ObservableListContentProvider contentProvider = new ObservableListContentProvider();

            viewer.setContentProvider(contentProvider);

            // this does not have to correspond to the columns in the table,
            // we just list all attributes that affect the table content.

            IObservableSet oset = contentProvider.getKnownElements();

            IObservableMap[] attributes = BeansObservables.observeMaps(contentProvider.getKnownElements(),
                    Person.class, new String[] { "name", "gender" });

            class ColorLabelProvider extends ObservableMapLabelProvider implements ITableColorProvider {
                Color male = display.getSystemColor(SWT.COLOR_BLUE);

                Color female = new Color(display, 255, 192, 203);

                ColorLabelProvider(IObservableMap[] attributes) {
                    super(attributes);
                }

                // to drive home the point that attributes does not have to
                // match
                // the columns
                // in the table, we change the column text as follows:
                @Override
                public String getColumnText(Object element, int index) {
                    if (index == 0) {
                        return Integer.toString(persons.indexOf(element) + 1);
                    }
                    return ((Person) element).getName();
                }

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

                @Override
                public Color getForeground(Object element, int index) {
                    if (index == 0)
                        return null;
                    Person person = (Person) element;
                    return (person.getGender() == Person.MALE) ? male : female;
                }

                @Override
                public void dispose() {
                    super.dispose();
                    female.dispose();
                }
            }
            viewer.setLabelProvider(new ColorLabelProvider(attributes));

            viewer.setInput(observableList);

            table.getColumn(0).pack();

            Button button = new Button(shell, SWT.PUSH);
            button.setText("Toggle Gender");
            button.addSelectionListener(new SelectionAdapter() {
                public void widgetSelected(SelectionEvent arg0) {
                    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
                    if (selection != null && !selection.isEmpty()) {
                        Person person = (Person) selection.getFirstElement();
                        person.setGender((person.getGender() == Person.MALE) ? Person.FEMALE : Person.MALE);
                    }
                }
            });

            shell.setSize(380, 713);

            Button btnAddRow = new Button(shell, SWT.NONE);
            btnAddRow.setText("Add Row");

            newRowNameText = new Text(shell, SWT.BORDER);
            newRowNameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

            Composite composite = new Composite(shell, SWT.NONE);
            composite.setLayout(new FillLayout(SWT.HORIZONTAL));
            GridData gd_composite = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
            gd_composite.widthHint = 129;
            gd_composite.heightHint = 26;
            composite.setLayoutData(gd_composite);

            Button maleRadioButton = new Button(composite, SWT.RADIO);
            maleRadioButton.setText("Male");

            Button femaleRadioButton = new Button(composite, SWT.RADIO);
            femaleRadioButton.setText("Female");
            shell.open();

            while (!shell.isDisposed()) {
                if (!display.readAndDispatch())
                    display.sleep();
            }
        }
    });
    display.dispose();
}

From source file:net.enilink.komma.edit.ui.dialogs.FilteredList.java

License:Open Source License

public Control createControl(Composite parent) {
    composite = new Composite(parent, SWT.NONE);
    composite.addDisposeListener(new DisposeListener() {
        @Override/*w w w  .j  a va2  s . co  m*/
        public void widgetDisposed(DisposeEvent e) {
            filterJob.cancel();
            refreshCacheJob.cancel();
            refreshProgressMessageJob.cancel();
        }
    });

    filterHistoryJob = new FilterHistoryJob();
    filterJob = new FilterJob();
    contentProvider = new ContentProvider();
    refreshCacheJob = new RefreshCacheJob();
    refreshProgressMessageJob = new RefreshProgressMessageJob();
    itemsListSeparator = new ItemsListSeparator(DialogMessages.FilteredItemsSelectionDialog_separatorLabel);
    selectionMode = NONE;

    GridLayout gridLayout = new GridLayout(1, false);
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    composite.setLayout(gridLayout);
    createPatternAndMenu(composite);
    createLabels(composite);

    list = new TableViewer(composite,
            (multi ? SWT.MULTI : SWT.SINGLE) | SWT.BORDER | SWT.V_SCROLL | SWT.VIRTUAL);
    list.setContentProvider(contentProvider);
    list.setLabelProvider(getItemsListLabelProvider());
    list.setInput(new Object[0]);
    list.setItemCount(contentProvider.getElements(null).length);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    list.getTable().setLayoutData(gd);

    createPopupMenu();

    pattern.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            applyFilter();
        }
    });

    pattern.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent e) {
            if (e.keyCode == SWT.ARROW_DOWN) {
                if (list.getTable().getItemCount() > 0) {
                    list.getTable().setFocus();
                }
            }
        }
    });

    list.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            StructuredSelection selection = (StructuredSelection) event.getSelection();
            handleSelected(selection);
        }
    });

    list.getTable().addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent e) {

            if (e.keyCode == SWT.DEL) {

                List<?> selectedElements = ((StructuredSelection) list.getSelection()).toList();

                boolean isSelectedHistory = true;

                for (Object item : selectedElements) {
                    if (item instanceof ItemsListSeparator || !isHistoryElement(item)) {
                        isSelectedHistory = false;
                        break;
                    }
                }
                if (isSelectedHistory)
                    removeSelectedItems(selectedElements);

            }

            if (e.keyCode == SWT.ARROW_UP && (e.stateMask & SWT.SHIFT) != 0 && (e.stateMask & SWT.CTRL) != 0) {
                StructuredSelection selection = (StructuredSelection) list.getSelection();

                if (selection.size() == 1) {
                    Object element = selection.getFirstElement();
                    if (element.equals(list.getElementAt(0))) {
                        pattern.setFocus();
                    }
                    if (list.getElementAt(
                            list.getTable().getSelectionIndex() - 1) instanceof ItemsListSeparator)
                        list.getTable().setSelection(list.getTable().getSelectionIndex() - 1);
                    list.getTable().notifyListeners(SWT.Selection, new Event());

                }
            }

            if (e.keyCode == SWT.ARROW_DOWN && (e.stateMask & SWT.SHIFT) != 0
                    && (e.stateMask & SWT.CTRL) != 0) {

                if (list.getElementAt(list.getTable().getSelectionIndex() + 1) instanceof ItemsListSeparator)
                    list.getTable().setSelection(list.getTable().getSelectionIndex() + 1);
                list.getTable().notifyListeners(SWT.Selection, new Event());
            }

        }
    });

    details = new DetailsContentViewer(composite, SWT.BORDER | SWT.FLAT);
    details.setVisible(toggleStatusLineAction.isChecked());
    details.setContentProvider(new NullContentProvider());
    details.setLabelProvider(getDetailsLabelProvider());

    if (initialPatternText != null) {
        pattern.setText(initialPatternText);
    }

    switch (selectionMode) {
    case CARET_BEGINNING:
        pattern.setSelection(0, 0);
        break;
    case FULL_SELECTION:
        pattern.setSelection(0, initialPatternText.length());
        break;
    }

    // apply filter even if pattern is empty (display history)
    applyFilter();
    pattern.setFocus();

    return composite;
}

From source file:net.enilink.komma.edit.ui.dialogs.FilteredList.java

License:Open Source License

/**
 * Refreshes the details field according to the current selection in the
 * items list./* ww w .  j a v a  2 s.  com*/
 */
private void refreshDetails() {
    StructuredSelection selection = getSelectedItems();

    switch (selection.size()) {
    case 0:
        details.setInput(null);
        break;
    case 1:
        details.setInput(selection.getFirstElement());
        break;
    default:
        details.setInput(NLS.bind(DialogMessages.FilteredItemsSelectionDialog_nItemsSelected,
                new Integer(selection.size())));
        break;
    }

}

From source file:net.geoprism.oda.driver.ui.editors.GeoprismDataSetEditorPage.java

License:Open Source License

private String getValue(ComboViewer viewer) {
    StructuredSelection selection = (StructuredSelection) viewer.getSelection();
    LabelValuePair datasetType = (LabelValuePair) selection.getFirstElement();

    return datasetType.getValue();
}

From source file:net.jmesnil.jmx.ui.internal.editors.AttributeDetails.java

License:Open Source License

public void selectionChanged(IFormPart part, ISelection selection) {
    StructuredSelection structured = (StructuredSelection) selection;
    this.wrapper = (MBeanAttributeInfoWrapper) structured.getFirstElement();
    update(wrapper);/*from w w  w. java2 s .  c o  m*/
}

From source file:net.jmesnil.jmx.ui.internal.views.explorer.MBeanExplorer.java

License:Open Source License

@Override
public void createPartControl(Composite parent) {
    makeActions();//from  w w w . ja  v a  2 s.c  o  m
    fillActionBars();
    PatternFilter patternFilter = new NodePatternFilter();
    patternFilter.setIncludeLeadingWildcard(true);

    final FilteredTree filter = new FilteredTree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL,
            patternFilter);

    viewer = filter.getViewer();
    contentProvider = new MBeanExplorerContentProvider();
    contentProvider.setFlatLayout(currentLayoutIsFlat);
    viewer.setContentProvider(contentProvider);
    labelProvider = new MBeanExplorerLabelProvider();
    labelProvider.setFlatLayout(currentLayoutIsFlat);
    viewer.setLabelProvider(labelProvider);

    viewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            ISelection selection = event.getSelection();
            StructuredSelection structured = (StructuredSelection) selection;
            Object element = structured.getFirstElement();
            IEditorInput editorInput = EditorUtils.getEditorInput(element);
            if (editorInput != null) {
                IEditorPart editor = EditorUtils.openMBeanEditor(editorInput);
                if (editor != null) {
                    EditorUtils.revealInEditor(editor, element);
                }
            } else {
                boolean expanded = viewer.getExpandedState(element);
                if (expanded) {
                    viewer.collapseToLevel(element, 1);
                } else {
                    viewer.expandToLevel(element, 1);
                }
            }
        }
    });
    viewer.addPostSelectionChangedListener(postSelectionListener);
    // workaround for issue #19 (observed on linux/gtk only)
    viewer.getControl().addListener(SWT.FocusIn, new Listener() {
        public void handleEvent(Event event) {
            JMXUIActivator.getActivePage().activate(getSite().getPart());
        }
    });
    getViewSite().setSelectionProvider(viewer);
}