Example usage 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:de.uni_jena.iaa.linktype.atomic.model.pepper.wizard.PepperWizardPageModule.java

License:Apache License

/**
 * {@inheritDoc}/*  w w  w .  jav a 2  s  .  co m*/
 */
@Override
public void setVisible(boolean visible) {
    if (visible) {
        P pepperModule = pepperWizard.getPepperModule();
        if (pepperModule == null) {
            pepperModule = pepperWizard.getPreferredPepperModule();
        }

        tableViewer.setInput(pepperWizard.getPepperModules());
        tableViewer.setSelection(
                pepperModule != null ? new StructuredSelection(pepperModule) : StructuredSelection.EMPTY);
    }

    super.setVisible(visible);
}

From source file:de.walware.ecommons.ui.components.TreeAndListGroup.java

License:Open Source License

public IStructuredSelection getListSelection() {
    final ISelection selection = fListViewer.getSelection();
    if (selection instanceof IStructuredSelection) {
        return (IStructuredSelection) selection;
    }/*from  www  .jav  a  2s  . co m*/
    return StructuredSelection.EMPTY;
}

From source file:de.walware.ecommons.ui.dialogs.QuickTreeInformationControl.java

License:Open Source License

/**
 * Selects the first element in the tree which matches the current filter pattern.
 *//*from   w ww  .  java 2 s.  c  o  m*/
protected void selectFirstMatch() {
    final Tree tree = this.treeViewer.getTree();
    final Object element = findFirstMatch(tree.getItems());
    if (element != null) {
        this.treeViewer.setSelection(new StructuredSelection(element), true);
    } else {
        this.treeViewer.setSelection(StructuredSelection.EMPTY);
    }
}

From source file:de.walware.ecommons.ui.util.PostSelectionProviderProxy.java

License:Open Source License

protected ISelection getSelection(final ISelection originalSelection) {
    return (originalSelection != null) ? originalSelection : StructuredSelection.EMPTY;
}

From source file:descent.internal.ui.actions.SelectionConverter.java

License:Open Source License

/**
 * Converts the selection provided by the given part into a structured selection.
 * The following conversion rules are used:
 * <ul>//  w w w  .ja  v  a2 s.  com
 *   <li><code>part instanceof JavaEditor</code>: returns a structured selection
 *    using code resolve to convert the editor's text selection.</li>
 * <li><code>part instanceof IWorkbenchPart</code>: returns the part's selection
 *    if it is a structured selection.</li>
 * <li><code>default</code>: returns an empty structured selection.</li>
 * </ul>
 */
public static IStructuredSelection getStructuredSelection(IWorkbenchPart part) throws JavaModelException {
    if (part instanceof JavaEditor)
        return new StructuredSelection(codeResolve((JavaEditor) part));
    ISelectionProvider provider = part.getSite().getSelectionProvider();
    if (provider != null) {
        ISelection selection = provider.getSelection();
        if (selection instanceof IStructuredSelection)
            return (IStructuredSelection) selection;
    }
    return StructuredSelection.EMPTY;
}

From source file:descent.internal.ui.javaeditor.JavaOutlinePage.java

License:Open Source License

public ISelection getSelection() {
    if (fOutlineViewer == null)
        return StructuredSelection.EMPTY;
    return fOutlineViewer.getSelection();
}

From source file:descent.internal.ui.javaeditor.JavaOutlinePage.java

License:Open Source License

public void select(ISourceReference reference) {
    if (fOutlineViewer != null) {

        ISelection s = fOutlineViewer.getSelection();
        if (s instanceof IStructuredSelection) {
            IStructuredSelection ss = (IStructuredSelection) s;
            List elements = ss.toList();
            if (!elements.contains(reference)) {
                s = (reference == null ? StructuredSelection.EMPTY : new StructuredSelection(reference));
                fOutlineViewer.setSelection(s, true);
            }/*from   www  .  java  2 s  . c  om*/
        }
    }
}

From source file:descent.internal.ui.text.AbstractInformationControl.java

License:Open Source License

/**
 * Selects the first element in the tree which
 * matches the current filter pattern.//w  w  w  .j a v  a  2  s  . c om
 */
protected void selectFirstMatch() {
    Tree tree = fTreeViewer.getTree();
    Object element = findElement(tree.getItems());
    if (element != null)
        fTreeViewer.setSelection(new StructuredSelection(element), true);
    else
        fTreeViewer.setSelection(StructuredSelection.EMPTY);
}

From source file:descent.internal.ui.util.JavaUIHelp.java

License:Open Source License

/**
 * Creates and returns a help context provider for the given part.
 * //from   w  w w .j  a va 2s .co m
 * @param part the part for which to create the help context provider
 * @param contextId   the optional context ID used to retrieve static help
 * @return the help context provider 
 */
public static IContextProvider getHelpContextProvider(IWorkbenchPart part, String contextId) {
    IStructuredSelection selection;
    try {
        selection = SelectionConverter.getStructuredSelection(part);
    } catch (JavaModelException ex) {
        JavaPlugin.log(ex);
        selection = StructuredSelection.EMPTY;
    }
    Object[] elements = selection.toArray();
    return new JavaUIHelpContextProvider(contextId, elements);
}

From source file:descent.internal.ui.wizards.buildpaths.newsourcepage.AddArchiveToBuildpathAction.java

License:Open Source License

/**
 * {@inheritDoc}//  ww  w  .  ja  va  2s. c  om
 */
public void selectionChanged(final SelectionChangedEvent event) {
    final ISelection selection = event.getSelection();
    if (selection instanceof IStructuredSelection) {
        setEnabled(canHandle((IStructuredSelection) selection));
    } else {
        setEnabled(canHandle(StructuredSelection.EMPTY));
    }
}