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.wdev91.eclipse.copyright.actions.ApplyCopyrightAction.java

License:Open Source License

protected IStructuredSelection getSelection() {
    if (selection == null) {
        selection = StructuredSelection.EMPTY;
    }
    return selection;
}

---

From source file:com.xse.optstack.persconftool.ui.resources.ResourcesTable.java

License:Open Source License

@Override
protected TableColumn[] getColumns() {
    final ComboBoxViewerCellEditor comboBoxViewerCellEditor = new ComboBoxViewerCellEditor(this.getTable(),
            SWT.READ_ONLY);//  www . j a va 2  s .com
    comboBoxViewerCellEditor.setContentProvider(new IStructuredContentProvider() {
        @Override
        public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) {
        }

        @Override
        public void dispose() {
        }

        @Override
        public Object[] getElements(final Object inputElement) {
            final Object[] vals = new Object[EInstallException.values().length + 1];
            int i = 0;
            for (final EInstallException eInstallException : EInstallException.values()) {
                vals[i++] = eInstallException;
            }
            vals[i] = StructuredSelection.EMPTY;
            return vals;
        }
    });
    comboBoxViewerCellEditor.setLabelProvider(new AbstractBaseLabelProvider() {
        @Override
        public String getText(final Object element) {
            if (element instanceof EInstallException) {
                return ((EInstallException) element).getName();
            } else {
                return "";
            }
        }

        @Override
        public Image getImage(final Object element) {
            return null;
        }
    });
    comboBoxViewerCellEditor.setInput(new Object());

    final TableColumn installationRuleColumn = new TableColumn("Installation Exception", 140);
    installationRuleColumn.setEditingSupport(new EditingSupport(this.getViewer()) {
        @Override
        protected void setValue(final Object element, final Object value) {
            if (element instanceof EResource) {
                if (value instanceof EInstallException) {
                    ((EResource) element).setInstallException((EInstallException) value);
                } else {
                    ((EResource) element).setInstallException(null);
                }
                this.getViewer().refresh(element);
            }
        }

        @Override
        protected Object getValue(final Object element) {
            if (element instanceof EResource) {
                final EResource res = (EResource) element;
                if (res.getInstallException() != null) {
                    return res.getInstallException();
                } else {
                    return StructuredSelection.EMPTY;
                }
            }
            return null;
        }

        @Override
        protected CellEditor getCellEditor(final Object element) {
            return comboBoxViewerCellEditor;
        }

        @Override
        protected boolean canEdit(final Object element) {
            return element instanceof EResource;
        }
    });

    return new TableColumn[] { new TableColumn("Name", 180), installationRuleColumn };
}

---

From source file:com.yoursway.hello.debug.ui.internal.HelloDebugUIPlugin.java

License:Open Source License

public static IStructuredSelection getCurrentSelection() {
    IWorkbenchWindow window = getDefault().getWorkbench().getActiveWorkbenchWindow();
    if (window != null) {
        IWorkbenchPage page = window.getActivePage();
        if (page != null) {
            IWorkbenchPart part = page.getActivePart();
            if (part instanceof IEditorPart) {
                return new StructuredSelection(part);
            } else if (part != null) {
                IWorkbenchSite site = part.getSite();
                if (site != null) {
                    ISelectionProvider provider = site.getSelectionProvider();
                    if (provider != null) {
                        ISelection selection = provider.getSelection();
                        if (selection instanceof IStructuredSelection) {
                            return (IStructuredSelection) provider.getSelection();
                        }/* w  w w  .  j a  v  a  2  s . c  o m*/
                    }
                }
            }
        }
    }
    return StructuredSelection.EMPTY;
}

---

From source file:company.ui.properties.CompanyLabelProvider.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
 *//*w ww .  j  ava  2s.c  o m*/
public Image getImage(Object element) {
    if (element == null || element.equals(StructuredSelection.EMPTY)) {
        return null;
    }
    if (element instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) element;
        if (areDifferentTypes(structuredSelection)) {
            return null;
        }
        element = structuredSelection.getFirstElement();
    }
    if (element instanceof EObject || element instanceof Resource) {
        return getAdapterFactoryLabelProvider().getImage(element);
    }
    return null;
}

---

From source file:company.ui.properties.CompanyLabelProvider.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
 *///from  ww w. j a va 2  s  .c  o  m
public String getText(Object element) {
    if (element == null || element.equals(StructuredSelection.EMPTY)) {
        return null;
    }
    int size = 1;
    if (element instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) element;
        if (areDifferentTypes(structuredSelection)) {
            return structuredSelection.size() + " items selected";//$NON-NLS-1$
        }
        element = structuredSelection.getFirstElement();
        size = structuredSelection.size();
    }
    if (element instanceof EObject) {
        String split[] = getAdapterFactoryLabelProvider().getText(element).split(" ");//$NON-NLS-1$
        StringBuffer type = new StringBuffer();
        StringBuffer name = new StringBuffer();
        for (int i = 0; i < split.length; i++) {
            if (i == 0) {
                type.append('\u00AB');
                type.append(split[i]);
                if (!(element instanceof Employee)) {
                    type.append('\u00BB');
                }
            } else if ((i == 1 && (element instanceof Employee))) {
                type.append(' ');
                type.append(split[i]);
                type.append('\u00BB');
            } else {
                name.append(split[i]);
                name.append(' ');
            }
        }
        if (size == 1) {
            type.append(' ');
            type.append(name);
        } else {
            type.append(' ');
            type.append(Integer.toString(size));
            type.append(" selected");//$NON-NLS-1$
        }
        return type.toString();
    } else if (element instanceof Resource) {
        return "\u00ABResource\u00BB";//$NON-NLS-1$
    }
    return null;
}

---

From source file:crosswalk.diagram.navigator.CrosswalkNavigatorLinkHelper.java

License:Apache License

/**
 * @generated/*from w  w w.j  a v  a  2s  .  co m*/
 */
public IStructuredSelection findSelection(IEditorInput anInput) {
    IDiagramDocument document = CrosswalkDiagramEditorPlugin.getInstance().getDocumentProvider()
            .getDiagramDocument(anInput);
    if (document == null) {
        return StructuredSelection.EMPTY;
    }
    Diagram diagram = document.getDiagram();
    if (diagram == null || diagram.eResource() == null) {
        return StructuredSelection.EMPTY;
    }
    IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
    if (file != null) {
        CrosswalkNavigatorItem item = new CrosswalkNavigatorItem(diagram, file, false);
        return new StructuredSelection(item);
    }
    return StructuredSelection.EMPTY;
}

---

From source file:crosswalk.diagram.part.CrosswalkDiagramEditor.java

License:Apache License

/**
 * @generated/*from  ww  w.j  av a  2  s.co  m*/
 */
private ISelection getNavigatorSelection() {
    IDiagramDocument document = getDiagramDocument();
    if (document == null) {
        return StructuredSelection.EMPTY;
    }
    Diagram diagram = document.getDiagram();
    if (diagram == null || diagram.eResource() == null) {
        return StructuredSelection.EMPTY;
    }
    IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
    if (file != null) {
        CrosswalkNavigatorItem item = new CrosswalkNavigatorItem(diagram, file, false);
        return new StructuredSelection(item);
    }
    return StructuredSelection.EMPTY;
}

---

From source file:crosswalk.diagram.part.CrosswalkNewDiagramFileWizard.java

License:Apache License

/**
 * @generated/*  w  w  w.jav a  2s  .co  m*/
 */
public CrosswalkNewDiagramFileWizard(URI domainModelURI, EObject diagramRoot,
        TransactionalEditingDomain editingDomain) {
    assert domainModelURI != null : "Domain model uri must be specified"; //$NON-NLS-1$
    assert diagramRoot != null : "Doagram root element must be specified"; //$NON-NLS-1$
    assert editingDomain != null : "Editing domain must be specified"; //$NON-NLS-1$

    myFileCreationPage = new WizardNewFileCreationPage(Messages.CrosswalkNewDiagramFileWizard_CreationPageName,
            StructuredSelection.EMPTY);
    myFileCreationPage.setTitle(Messages.CrosswalkNewDiagramFileWizard_CreationPageTitle);
    myFileCreationPage.setDescription(NLS.bind(Messages.CrosswalkNewDiagramFileWizard_CreationPageDescription,
            EditingContainerEditPart.MODEL_ID));
    IPath filePath;
    String fileName = URI.decode(domainModelURI.trimFileExtension().lastSegment());
    if (domainModelURI.isPlatformResource()) {
        filePath = new Path(domainModelURI.trimSegments(1).toPlatformString(true));
    } else if (domainModelURI.isFile()) {
        filePath = new Path(domainModelURI.trimSegments(1).toFileString());
    } else {
        // TODO : use some default path
        throw new IllegalArgumentException("Unsupported URI: " + domainModelURI); //$NON-NLS-1$
    }
    myFileCreationPage.setContainerFullPath(filePath);
    myFileCreationPage
            .setFileName(CrosswalkDiagramEditorUtil.getUniqueFileName(filePath, fileName, "crosswalk")); //$NON-NLS-1$

    diagramRootElementSelectionPage = new DiagramRootElementSelectionPage(
            Messages.CrosswalkNewDiagramFileWizard_RootSelectionPageName);
    diagramRootElementSelectionPage.setTitle(Messages.CrosswalkNewDiagramFileWizard_RootSelectionPageTitle);
    diagramRootElementSelectionPage
            .setDescription(Messages.CrosswalkNewDiagramFileWizard_RootSelectionPageDescription);
    diagramRootElementSelectionPage.setModelElement(diagramRoot);

    myEditingDomain = editingDomain;
}

---

From source file:de.dfki.iui.mmds.core.graphiti.diagram.dialogue.navigator.EditorLinkHelper.java

License:Open Source License

/**
 * Return a selection that contains the file that the given editor input
 * represent. The {@link StructuredSelection} will be compared with nodes in
 * the tree. See also extension point// w ww . j a  v  a 2  s  . c  o  m
 * {@code "org.eclipse.ui.navigator.linkHelper"}.
 */
public IStructuredSelection findSelection(IEditorInput editorInput) {
    if (editorInput instanceof DiagramEditorInput) {
        if (editorInput.exists()) {
            DiagramEditorInput diagramEditorInput = (DiagramEditorInput) editorInput;
            final IFile file = getFile(diagramEditorInput.getUri());
            if (file != null) {
                return new StructuredSelection(file);
            }
        }

    }
    return StructuredSelection.EMPTY;
}

---

From source file:de.dfki.iui.mmds.sdk.editors.grammar_rules.RulesEditor.java

License:Creative Commons License

/**
 * This makes sure that one content viewer, either for the current page or
 * the outline view, if it has focus, is the current one. <!--
 * begin-user-doc --> <!-- end-user-doc -->
 * //www  .j  av a 2s  .  co m
 * @generated
 */
public void setCurrentViewer(Viewer viewer) {
    // If it is changing...
    //
    if (currentViewer != viewer) {
        if (selectionChangedListener == null) {
            // Create the listener on demand.
            //

            selectionChangedListener = new ISelectionChangedListener() {
                // This just notifies those things that are affected by the
                // section.
                //
                @Override
                public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
                    setSelection(selectionChangedEvent.getSelection());
                }
            };
        }

        // Stop listening to the old one.
        //
        if (currentViewer != null) {
            currentViewer.removeSelectionChangedListener(selectionChangedListener);
        }

        // Start listening to the new one.
        //
        if (viewer != null) {
            viewer.addSelectionChangedListener(selectionChangedListener);
        }

        // Remember it.
        //
        currentViewer = viewer;

        // Set the editors selection based on the current viewer's
        // selection.
        //

        setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
    }
}

---

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