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

Introduction

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

Prototype

@Override
    public int size() 

Source Link

Usage

From source file:org.eclipse.e4.demo.simpleide.navigator.internal.ResourceNavigator.java

License:Open Source License

@Inject
public ResourceNavigator(Composite parent, final IEclipseContext context, IWorkspace workspace) {
    final Realm realm = SWTObservables.getRealm(parent.getDisplay());
    this.context = context;
    parent.setLayout(new FillLayout());
    TreeViewer viewer = new TreeViewer(parent, SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL);
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            StructuredSelection selection = (StructuredSelection) event.getSelection();
            selectionService//  w w w.  j  ava 2  s  .com
                    .setSelection(selection.size() == 1 ? selection.getFirstElement() : selection.toArray());
            //            context.modify(IServiceConstants.ACTIVE_SELECTION, selection.size() == 1 ? selection.getFirstElement() : selection.toArray());
        }
    });

    IObservableFactory setFactory = new IObservableFactory() {
        public IObservable createObservable(Object element) {
            if (element instanceof IContainer && ((IContainer) element).exists()) {
                IObservableSet observableSet = observableSets.get(element);
                if (observableSet == null) {
                    observableSet = new WritableSet(realm);
                    try {
                        observableSet.addAll(Arrays.asList(((IContainer) element).members()));
                    } catch (CoreException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    observableSets.put((IContainer) element, observableSet);
                }
                return observableSet;
            }
            return Observables.emptyObservableSet();
        }
    };
    viewer.setContentProvider(new ObservableSetTreeContentProvider(setFactory, new TreeStructureAdvisor() {
        public Boolean hasChildren(Object element) {
            return Boolean.valueOf(element instanceof IContainer);
        }
    }));

    viewer.setLabelProvider(new LabelProvider() {
        public String getText(Object element) {
            if (element instanceof IResource)
                return ((IResource) element).getName();
            return element == null ? "" : element.toString();
        }
    });
    viewer.setSorter(new ViewerSorter());
    viewer.setInput(workspace.getRoot());
    viewer.addOpenListener(new IOpenListener() {

        public void open(OpenEvent event) {
            MSimpleIDEApplication app = (MSimpleIDEApplication) application;
            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            for (Object o : s.toArray()) {
                if (o instanceof IFile) {
                    IFile f = (IFile) o;
                    context.set(IFile.class, f);
                    String fExt = f.getFileExtension();
                    EDITOR: for (MEditorPartDescriptor desc : app.getEditorPartDescriptors()) {
                        for (String ext : desc.getFileextensions()) {
                            if (ext.equals(fExt)) {
                                context.set(MEditorPartDescriptor.class, desc);
                                System.err.println("Opening with: " + desc);

                                Command cmd = commandService.getCommand("simpleide.command.openeditor");
                                ParameterizedCommand pCmd = ParameterizedCommand.generateCommand(cmd, null);
                                handlerService.executeHandler(pCmd);

                                break EDITOR;
                            }
                        }
                    }
                }
            }

        }
    });
    setupContextMenu(viewer, parent.getShell());
    workspace.addResourceChangeListener(listener);
}

---

From source file:org.eclipse.e4.tools.css.spy.CssSpyDialog.java

License:Open Source License

private void updateForWidgetSelection(ISelection sel) {
    disposeHighlights();//from  ww w .  j a  v a 2  s.  c  o m
    if (sel.isEmpty()) {
        return;
    }
    StructuredSelection selection = (StructuredSelection) sel;
    for (Object s : selection.toList()) {
        if (s instanceof Widget) {
            highlightWidget((Widget) s);
        }
    }
    populate(selection.size() == 1 && selection.getFirstElement() instanceof Widget
            ? (Widget) selection.getFirstElement()
            : null);
}

---

From source file:org.eclipse.egit.ui.internal.repository.RepositoriesView.java

License:Open Source License

private void reactOnSelection(ISelection selection) {
    if (selection instanceof StructuredSelection) {
        StructuredSelection ssel = (StructuredSelection) selection;
        if (ssel.size() != 1)
            return;
        if (ssel.getFirstElement() instanceof IResource)
            showResource((IResource) ssel.getFirstElement());
        if (ssel.getFirstElement() instanceof IAdaptable) {
            IResource adapted = (IResource) ((IAdaptable) ssel.getFirstElement()).getAdapter(IResource.class);
            if (adapted != null)
                showResource(adapted);/*from   w ww . j  av  a  2 s.  c o  m*/
        }
    }
}

---

From source file:org.eclipse.egit.ui.internal.staging.StagingView.java

License:Open Source License

private void reactOnSelection(ISelection selection) {
    if (selection instanceof StructuredSelection) {
        StructuredSelection ssel = (StructuredSelection) selection;
        if (ssel.size() != 1)
            return;
        Object firstElement = ssel.getFirstElement();
        if (firstElement instanceof IResource)
            showResource((IResource) firstElement);
        else if (firstElement instanceof RepositoryTreeNode) {
            RepositoryTreeNode repoNode = (RepositoryTreeNode) firstElement;
            reload(repoNode.getRepository());
        } else if (firstElement instanceof IAdaptable) {
            IResource adapted = (IResource) ((IAdaptable) firstElement).getAdapter(IResource.class);
            if (adapted != null)
                showResource(adapted);// www  . ja  v a2 s .  c  o  m
        }
    }
}

---

From source file:org.eclipse.emf.cdo.dawn.examples.acore.diagram.sheet.AcorePropertySection.java

License:Open Source License

/**
 * @generated// ww w  . ja va  2 s.c o  m
 */
@Override
public void setInput(IWorkbenchPart part, ISelection selection) {
    if (selection.isEmpty() || false == selection instanceof StructuredSelection) {
        super.setInput(part, selection);
        return;
    }
    final StructuredSelection structuredSelection = (StructuredSelection) selection;
    ArrayList transformedSelection = new ArrayList(structuredSelection.size());
    for (Iterator it = structuredSelection.iterator(); it.hasNext();) {
        Object r = transformSelection(it.next());
        if (r != null) {
            transformedSelection.add(r);
        }
    }
    super.setInput(part, new StructuredSelection(transformedSelection));
}

---

From source file:org.eclipse.emf.ecoretools.internal.views.EcoreToolsViewsDragTargetAdapter.java

License:Open Source License

/**
 * {@inheritDoc}/*from  w  w  w.  j a  v a2 s  .c  om*/
 * 
 * @see org.eclipse.swt.dnd.DragSourceAdapter#dragStart(org.eclipse.swt.dnd.DragSourceEvent)
 */
@Override
public void dragStart(final DragSourceEvent event) {
    final ISelection selection = provider.getSelection();
    if (selection instanceof StructuredSelection) {
        StructuredSelection sSelection = (StructuredSelection) selection;
        List<EObject> ecoreObjects = new ArrayList<EObject>(sSelection.size());
        Iterator<Object> it = sSelection.iterator();
        while (it.hasNext()) {
            Object obj = it.next();
            if (obj instanceof EObject) {
                ecoreObjects.add((EObject) obj);
            } else if (obj instanceof WrappedEClass) {
                ecoreObjects.add(((WrappedEClass) obj).getWrappedEClass());
            }

        }
        ISelection unwrapped = new StructuredSelection(ecoreObjects);
        LocalSelectionTransfer.getInstance().setSelection(unwrapped);
        LocalSelectionTransfer.getInstance().setSelectionSetTime(event.time & 0xFFFFFFFFL);
        event.doit = true;
    }
}

---

From source file:org.eclipse.emf.eef.runtime.ui.widgets.EEFSelectionDialog.java

License:Open Source License

/**
 * {@inheritDoc}/*from ww w  . j  a v a2  s.c  o m*/
 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 */
protected Control createDialogArea(Composite parent) {
    Composite control = new Composite(parent, SWT.NONE);
    control.setLayoutData(new GridData(GridData.FILL_BOTH));
    control.setLayout(new GridLayout());
    Label message = new Label(control, SWT.NONE);
    message.setText("Select the element(s) to process:");
    int style = SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER;
    if (multi) {
        style |= SWT.MULTI;
    }
    selectionViewer = new TreeViewer(control, style);
    selectionViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));

    for (ViewerFilter filter : filters) {
        selectionViewer.addFilter(filter);
    }

    selectionViewer.setContentProvider(getContentProvider());
    selectionViewer.setLabelProvider(getLabelProvider());
    selectionViewer.setInput(input);
    selectionViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent event) {
            StructuredSelection sSel = (StructuredSelection) selectionViewer.getSelection();
            if (sSel.size() == 0) {
                EEFSelectionDialog.this.selection = null;
            } else if (sSel.size() == 1) {
                EEFSelectionDialog.this.selection = sSel.getFirstElement();
            } else {
                EEFSelectionDialog.this.selection = sSel.toList();
            }
        }
    });

    return control;
}

---

From source file:org.eclipse.emf.eef.runtime.ui.widgets.EReferenceEditor.java

License:Open Source License

/**
 * Update the list buttons.//w w w  . j  a v  a2  s. c om
 */
protected void updateButtons() {
    StructuredSelection selection = (StructuredSelection) tree.getSelection();
    addButton.setEnabled(shouldEnableAdd(selection));
    if (selection.size() == 0) {
        removeButton.setEnabled(false);
        upButton.setEnabled(false);
        downButton.setEnabled(false);
    } else if (selection.size() == 1) {
        removeButton.setEnabled(shouldEnableRemove(selection));
        upButton.setEnabled(shouldEnableUp(selection));
        downButton.setEnabled(shouldEnableDown(selection));
    } else {
        removeButton.setEnabled(shouldEnableRemove(selection));
        upButton.setEnabled(false);
        downButton.setEnabled(false);
    }
}

---

From source file:org.eclipse.gmf.graphdef.editor.sheet.AbstractCustomSectionParent.java

License:Open Source License

public void setInput(IWorkbenchPart part, ISelection selection) {
    if (selection.isEmpty() || false == selection instanceof StructuredSelection) {
        super.setInput(part, selection);
        return;/*from  ww w . ja  v  a 2s.c  o m*/
    }
    final StructuredSelection structuredSelection = ((StructuredSelection) selection);
    ArrayList transformedSelection = new ArrayList(structuredSelection.size());
    for (Iterator it = structuredSelection.iterator(); it.hasNext();) {
        Object r = transformSelection(it.next());
        if (r != null) {
            transformedSelection.add(r);
        }
    }
    mySavedSelection = transformedSelection;
    super.setInput(part, new StructuredSelection(transformedSelection));
}

---

From source file:org.eclipse.gmf.runtime.common.ui.services.elementselection.ElementSelectionComposite.java

License:Open Source License

/**
 * Handles a selection change and validates the new selection.
 *///  w ww .jav  a  2  s .co m
private void handleSelectionChange() {
    StructuredSelection selection = (StructuredSelection) tableViewer.getSelection();
    if (selection.size() == 0) {
        // nothing selected
        selectedElements.clear();
        handleSelection(false);
        return;
    }

    List selectionList = selection.toList();

    // get the current selected elements
    List currentSelectedElements = new ArrayList();
    for (Iterator iter = selectionList.iterator(); iter.hasNext();) {
        AbstractMatchingObject matchingObject = (AbstractMatchingObject) iter.next();
        currentSelectedElements.add(matchingObject);
    }

    // validate selection
    boolean isValidSelection = isValidSelection(currentSelectedElements);

    // store the selection
    selectedElements.clear();
    if (isValidSelection) {
        selectedElements.addAll(currentSelectedElements);
    }

    // update UI based on selection
    handleSelection(isValidSelection);

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• »