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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Document

The canonical empty selection.

Usage

From source file:net.timedoctor.ui.trace.MainViewer.java

License:Open Source License

public ISelection getSelection() {
    if (currentSelectedLine == null) {
        return StructuredSelection.EMPTY;
    }//from ww w  .  ja  v  a  2s  .co  m

    return new StructuredSelection(currentSelectedLine);
}

From source file:net.yatomiya.e4.ui.internal.workbench.renderers.swt.AbstractTableInformationControl.java

License:Open Source License

/**
 * Selects the first element in the table which matches the current filter
 * pattern./*from   w  w  w.  ja  va 2  s. com*/
 */
protected void selectFirstMatch() {
    Table table = fTableViewer.getTable();
    Object element = findElement(table.getItems());
    if (element != null) {
        fTableViewer.setSelection(new StructuredSelection(element), true);
    } else {
        fTableViewer.setSelection(StructuredSelection.EMPTY);
    }
}

From source file:net.yatomiya.e4.ui.util.PostSelectionProvider.java

License:Open Source License

public PostSelectionProvider() {
    listenerList = new ArrayList<ISelectionChangedListener>();
    postListenerList = new ArrayList<ISelectionChangedListener>();
    selection = StructuredSelection.EMPTY;
}

From source file:net.yatomiya.nicherry.ui.bbs.UIBBSUtils.java

License:Open Source License

public static ISelection partIdToSelection(MPart mPart) {
    BBSModelId id = toModelId(mPart);//from  w  ww.ja v a2  s.  c om
    if (id != null)
        return new StructuredSelection(id);
    else
        return StructuredSelection.EMPTY;
}

From source file:net.zehrer.no2.editor.TabelEditorPage.java

License:Open Source License

/**
 * @category ISelectionProvider/*from ww  w.  j a v a  2s.  c  o  m*/
 */
public ISelection getSelection() {
    if (tableViewer == null) {
        return StructuredSelection.EMPTY;
    }
    return tableViewer.getSelection();
}

From source file:nexcore.tool.uml.ui.core.navigator.LinkHelper.java

License:Open Source License

/**
 * @see org.eclipse.ui.navigator.ILinkHelper#findSelection(org.eclipse.ui.IEditorInput)
 *///from   w w  w . j a v a  2s  .c om
@Override
public IStructuredSelection findSelection(IEditorInput anInput) {

    if (anInput instanceof DiagramEditorInput) {

        DiagramEditorInput editorInput = (DiagramEditorInput) anInput;
        EObject eobject = editorInput.getDiagram();

        ITreeNode node = UMLTreeNodeRegistry.getTreeNode(eobject);

        if (null != node) {
            return new StructuredSelection(node);
        }

    } else if (anInput instanceof UMLEditorInput) {

        UMLEditorInput editorInput = (UMLEditorInput) anInput;
        EObject eobject = editorInput.getElement();

        ITreeNode node = UMLTreeNodeRegistry.getTreeNode(eobject);

        if (null != node) {
            return new StructuredSelection(node);
        }
    }

    return StructuredSelection.EMPTY;
}

From source file:no.resheim.elibrarium.epub.ui.reader.TOCOutlinePage.java

License:Open Source License

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

From source file:org.activiti.designer.eclipse.property.PropertiesLabelProvider.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
 *///from   w w  w . j av  a  2 s  .co m
@Override
public Image getImage(Object objects) {

    if (objects == null || objects.equals(StructuredSelection.EMPTY)) {
        return null;
    }
    final boolean multiple[] = { false };
    Object object = getObject(objects, multiple);
    if (object == null) {
        return null;
    } else {
        if (!(object instanceof EditPart)) {
            return null;
        }
    }
    return null;
}

From source file:org.activiti.designer.eclipse.property.PropertiesLabelProvider.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
 *///from w w  w .java2  s.c o  m
@Override
public String getText(Object objects) {
    if (objects == null || objects.equals(StructuredSelection.EMPTY)) {
        return "No items selected";//$NON-NLS-1$
    }
    final boolean multiple[] = { false };
    Object object = getObject(objects, multiple);
    if (object == null || ((IStructuredSelection) objects).size() > 1) {
        return ((IStructuredSelection) objects).size() + " items selected";//$NON-NLS-1$
    } else {
        if (object instanceof EditPart) {
            object = ((EditPart) object).getModel();
        }
        if (object instanceof EObject) {
            EObject robj = (EObject) object;
            if (robj instanceof PictogramElement) {
                PictogramElement pe = (PictogramElement) robj;
                EObject businessObject = Graphiti.getLinkService()
                        .getBusinessObjectForLinkedPictogramElement(pe);
                if (businessObject == null) {
                    businessObject = robj;
                }

                // return the name of the MetamodelClass
                EObject refMetaObject = businessObject.eClass();
                if (refMetaObject instanceof ENamedElement) {
                    return ((ENamedElement) refMetaObject).getName();
                }
                return ""; // no luck //$NON-NLS-1$
            } else {
                return "" + ((EModelElement) robj.eClass()).getClass().getName(); //$NON-NLS-1$
            }
        } else {
            return object.toString();
        }
    }
}

From source file:org.adorsys.plh.pkix.workbench.menu.ContextMenuView.java

License:Open Source License

@PostConstruct
public void init() {
    for (int i = 1; i < 5; i++) {
        createEntry(i);/*w  ww.j a  v  a2  s .  c o m*/
    }

    items.setContentProvider(new ViewContentProvider());
    items.setLabelProvider(new EntryLabelProvider());
    items.setInput(itemModel);
    items.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection selection = event.getSelection();
            selectionService.setSelection(selection);
            if (selection instanceof IStructuredSelection) {
                Entry e = (Entry) ((IStructuredSelection) selection).getFirstElement();
                String text = textMap.get(e);
                info.setText(text == null ? "" : text);
                ArrayList<Tag> list = tagMap.get(e);
                tagList.setInput(list == null ? Collections.EMPTY_LIST : list);
            }
        }
    });

    items.getTree().setLinesVisible(true);
    items.getTree().setHeaderVisible(true);
    items.getTree().layout(true);
    menuService.registerContextMenu(items.getControl(), ITEMS_MENU);

    itemCopyHandler = new CopyHandler(items.getTree().getDisplay(), items);
    items.getTree().addListener(SWT.Activate, new Listener() {
        public void handleEvent(Event event) {
            handlerService.activateHandler("org.eclipse.ui.edit.copy", itemCopyHandler);
        }
    });

    tagList.setContentProvider(new ArrayContentProvider());
    tagList.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object element) {
            if (element instanceof Tag) {
                return ((Tag) element).name;
            }
            return null;
        }
    });
    final MPopupMenu tagPopupMenu = menuService.registerContextMenu(tagList.getControl(), TAGS_MENU);
    tagList.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection selection = event.getSelection();
            ESelectionService srv = tagPopupMenu.getContext().get(ESelectionService.class);
            srv.setSelection(selection);
        }
    });

    tagCopyHandler = new CopyHandler(tagList.getControl().getDisplay(), tagList);
    tagList.getControl().addListener(SWT.Activate, new Listener() {
        public void handleEvent(Event event) {
            handlerService.activateHandler("org.eclipse.ui.edit.copy", tagCopyHandler);
        }
    });

    // with no handler, CTRL+C works because it delegates
    // to the native widget.  But the menu item copy
    // doesn't, since it will not be handled.
    // This will work as a real handler for both situations.
    infoCopyHandler = new Object() {
        @CanExecute
        public boolean canExecute() {
            return info.getSelectionCount() > 0;
        }

        @Execute
        public void execute() {
            info.copy();
        }
    };

    info.addListener(SWT.Activate, new Listener() {
        public void handleEvent(Event event) {
            // just remove 'em both for simplicity
            handlerService.deactivateHandler("org.eclipse.ui.edit.copy", itemCopyHandler);
            handlerService.deactivateHandler("org.eclipse.ui.edit.copy", tagCopyHandler);
            handlerService.activateHandler("org.eclipse.ui.edit.copy", infoCopyHandler);
        }
    });
    final MPopupMenu infoPopupMenu = menuService.registerContextMenu(info, INFO_MENU);
    // we can either publish the Text selection as a
    // org.eclipse.jface.text.TextSelection or set it to an empty selection.
    // I picked empty.
    ESelectionService srv = infoPopupMenu.getContext().get(ESelectionService.class);
    srv.setSelection(StructuredSelection.EMPTY);
}