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

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:com.google.dart.tools.ui.internal.text.functions.DartOutlineInformationControl_NEW.java

License:Open Source License

/**
 * Selects the first {@link TreeItem} which matches the {@link #matcher}.
 *///from  w ww.  j  ava2s .c o  m
private void selectFirstMatch() {
    Tree tree = viewer.getTree();
    TreeItem item = findFirstMatchingItem(tree.getItems());
    if (item != null) {
        viewer.setSelection(new StructuredSelection(item), true);
    } else {
        viewer.setSelection(StructuredSelection.EMPTY);
    }
}

From source file:com.google.dart.tools.ui.internal.util.DartUIHelp.java

License:Open Source License

/**
 * Creates and returns a help context provider for the given part.
 * //from   w  ww.  j  a v a2s  . c om
 * @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 (DartModelException ex) {
        DartToolsPlugin.log(ex);
        selection = StructuredSelection.EMPTY;
    }
    Object[] elements = selection.toArray();
    return new JavaUIHelpContextProvider(contextId, elements);
}

From source file:com.google.dart.tools.ui.internal.viewsupport.SelectionProviderMediator.java

License:Open Source License

@Override
public ISelection getSelection() {
    if (fViewerInFocus != null) {
        return fViewerInFocus.getSelection();
    }/* w ww .ja  v  a2 s .  c  o  m*/
    return StructuredSelection.EMPTY;
}

From source file:com.google.gdt.eclipse.core.actions.AbstractOpenWizardAction.java

License:Open Source License

private IStructuredSelection evaluateCurrentSelection() {
    IWorkbenchWindow window = JavaPlugin.getActiveWorkbenchWindow();
    if (window != null) {
        ISelection localSelection = window.getSelectionService().getSelection();
        if (localSelection instanceof IStructuredSelection) {
            return (IStructuredSelection) localSelection;
        }//from w  w  w .  ja v  a 2s . c o m
    }
    return StructuredSelection.EMPTY;
}

From source file:com.google.gdt.eclipse.suite.actions.OpenNewWebApplicationWizardToolbarAction.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        setSelection((IStructuredSelection) selection);
    } else {/*  w  w  w  . j  a v  a2 s  .  c om*/
        setSelection(StructuredSelection.EMPTY);
    }
}

From source file:com.hangum.tadpole.commons.viewsupport.SelectionProviderMediator.java

License:Open Source License

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

From source file:com.isencia.passerelle.workbench.model.editor.ui.views.ActorPalettePage.java

License:Open Source License

/**
 * Returns the current selection for this provider.
 * //from  w  ww .ja  va2 s .  c om
 * @return the current selection
 */
public ISelection getSelection() {
    if (getTreeViewer() == null) {
        return StructuredSelection.EMPTY;
    }
    return getTreeViewer().getSelection();
}

From source file:com.iw.plugins.spindle.editors.spec.outline.TapestryOutlinePage.java

License:Mozilla Public License

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

From source file:com.iw.plugins.spindle.editors.spec.outline.XMLOutlinePage.java

License:Mozilla Public License

public void setSelection(ISelection selection) {
    if (!selection.isEmpty() && selection instanceof IStructuredSelection) {
        Object selected = ((IStructuredSelection) selection).getFirstElement();
        if (selected instanceof IRegion && fRoot != null) {
            int documentOffset = ((IRegion) selected).getOffset();
            Object found = null;/*  w w  w . j ava  2 s.  c  om*/
            for (int i = 0; i < fFlatChildren.length; i++) {
                Position p = (Position) fFlatChildren[i];
                if (p.offset <= documentOffset && documentOffset < p.offset + p.length) {
                    found = p;
                }
            }
            if (found == null) {
                int index = 0;
                boolean exists = false;
                for (; index < fCorresponders.length; index++) {
                    Position p = (Position) fCorresponders[index];
                    if (p != null && p.offset <= documentOffset && documentOffset < p.offset + p.length) {
                        exists = true;
                        break;
                    }
                }
                if (exists)
                    found = fFlatChildren[index];
            }
            if (found != null) {
                treeViewer.setSelection(new StructuredSelection(found));
            } else if (treeViewer != null && !treeViewer.getControl().isDisposed()) {
                treeViewer.setSelection(StructuredSelection.EMPTY);
            }
        }
        super.setSelection(selection);
    }

}

From source file:com.iw.plugins.spindle.editors.spec.TreeInformationControl.java

License:Mozilla Public License

/**
 * Selects the first element in the tree which matches the current filter
 * pattern./* ww  w  .  j  a va 2s .com*/
 */
private void selectFirstMatch() {
    Tree tree = fTreeViewer.getTree();
    Object element = findElement(tree.getItems());
    if (element != null) {
        Object parent = fContentProvider.getParent(element);
        if (parent != null)
            fTreeViewer.setSelection(new StructuredSelection(), true);
        fTreeViewer.setSelection(new StructuredSelection(element), true);
    } else {
        fTreeViewer.setSelection(StructuredSelection.EMPTY);
    }
}