Java Code Examples for org.eclipse.jface.viewers.ISelection#isEmpty()
The following examples show how to use
org.eclipse.jface.viewers.ISelection#isEmpty() .
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Example 1
| Source File: ItemSelectionHelper.java From neoscada with Eclipse Public License 1.0 | 6 votes |
|
/**
* Get all {@link Item} instances from the current selection
*
* @param selection
* the selection
* @return the item instances
*/
public static Collection<Item> getSelection ( final ISelection selection )
{
final Collection<Item> items = new LinkedList<Item> ();
if ( selection == null || selection.isEmpty () )
{
return items;
}
if ( selection instanceof IStructuredSelection )
{
final Iterator<?> i = ( (IStructuredSelection)selection ).iterator ();
while ( i.hasNext () )
{
final Item item = AdapterHelper.adapt ( i.next (), Item.class );
if ( item != null )
{
items.add ( item );
}
}
}
return items;
}
Example 2
| Source File: CheckConfigurationConfigureDialog.java From eclipse-cs with GNU Lesser General Public License v2.1 | 6 votes |
|
/**
* Creates a module editor for the current selection.
*
* @param selection
* the selection
*/
private void removeModule(ISelection selection) {
if (!selection.isEmpty() && mConfigurable) {
if (MessageDialog.openConfirm(getShell(),
Messages.CheckConfigurationConfigureDialog_titleRemoveModules,
Messages.CheckConfigurationConfigureDialog_msgRemoveModules)) {
@SuppressWarnings("unchecked")
Iterator<Module> it = ((IStructuredSelection) selection).iterator();
while (it.hasNext()) {
Module m = it.next();
if (m.getMetaData().isDeletable()) {
mModules.remove(m);
mIsDirty = true;
mTableViewer.refresh(true);
refreshTableViewerState();
mTreeViewer.refresh();
}
}
}
}
}
Example 3
| Source File: BasicEditor.java From neoscada with Eclipse Public License 1.0 | 6 votes |
|
protected void handleDelete ()
{
final ISelection sel = this.viewer.getSelection ();
if ( sel == null || sel.isEmpty () || ! ( sel instanceof IStructuredSelection ) )
{
return;
}
final IStructuredSelection selection = (IStructuredSelection)sel;
final Iterator<?> i = selection.iterator ();
while ( i.hasNext () )
{
final Object o = i.next ();
final Map.Entry<?, ?> entry = AdapterHelper.adapt ( o, Map.Entry.class );
if ( entry != null )
{
deleteEntry ( "" + entry.getKey () );
}
}
}
Example 4
| Source File: ItemSelectionHelper.java From neoscada with Eclipse Public License 1.0 | 6 votes |
|
/**
* Get all {@link Item} instances from the current selection
*
* @param selection
* the selection
* @return the item instances
*/
public static Collection<Item> getSelection ( final ISelection selection )
{
final Collection<Item> items = new LinkedList<Item> ();
if ( selection == null || selection.isEmpty () )
{
return items;
}
if ( selection instanceof IStructuredSelection )
{
final Iterator<?> i = ( (IStructuredSelection)selection ).iterator ();
while ( i.hasNext () )
{
final Item item = AdapterHelper.adapt ( i.next (), Item.class );
if ( item != null )
{
items.add ( item );
}
}
}
return items;
}
Example 5
| Source File: CrossflowInitDiagramFileAction.java From scava with Eclipse Public License 2.0 | 5 votes |
|
/**
* @generated
*/
public void selectionChanged(IAction action, ISelection selection) {
domainModelURI = null;
action.setEnabled(false);
if (selection instanceof IStructuredSelection == false || selection.isEmpty()) {
return;
}
IFile file = (IFile) ((IStructuredSelection) selection).getFirstElement();
domainModelURI = URI.createPlatformResourceURI(file.getFullPath().toString(), true);
action.setEnabled(true);
}
Example 6
| Source File: VisualInterfaceEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 7
| Source File: ComponentEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 8
| Source File: GlobalizeEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 9
| Source File: DetailViewEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 10
| Source File: OsgiEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 11
| Source File: SetupEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 12
| Source File: CodewindNavigatorDropAssistant.java From codewind-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
public IStatus validateDrop(Object target, int operation, TransferData transferData) {
targetConn = null;
sourceApp = null;
if (!(target instanceof CodewindConnection) || !((CodewindConnection)target).isConnected()) {
return Status.CANCEL_STATUS;
}
targetConn = (CodewindConnection)target;
// Check that the source is an application that is not already added to this connection
if (LocalSelectionTransfer.getTransfer().isSupportedType(transferData)) {
ISelection s = LocalSelectionTransfer.getTransfer().getSelection();
if (!s.isEmpty() && s instanceof IStructuredSelection) {
IStructuredSelection sel = (IStructuredSelection) s;
Object obj = sel.getFirstElement();
if (obj instanceof CodewindApplication) {
CodewindApplication app = targetConn.getAppByName(((CodewindApplication)obj).name);
if (app != null) {
return Status.CANCEL_STATUS;
}
sourceApp = (CodewindApplication)obj;
return Status.OK_STATUS;
}
}
}
return Status.CANCEL_STATUS;
}
Example 13
| Source File: ProtocolEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 14
| Source File: DashboardComposite.java From n4js with Eclipse Public License 1.0 | 5 votes |
|
/** removes selected graph or all graphs if nothing selected */
public void removeSelectedGraphs(boolean removeAllIfNothingSelected) {
ISelection sel = listViewer.getSelection();
if (!sel.isEmpty()) {
removeEntries(((IStructuredSelection) sel).toList());
} else {
// empty selection:
if (removeAllIfNothingSelected)
removeEntries(new ArrayList<>(entries));
}
}
Example 15
| Source File: GraphList.java From n4js with Eclipse Public License 1.0 | 5 votes |
|
public void removeSelectedGraphs(boolean removeAllIfNothingSelected) {
ISelection sel = listViewer.getSelection();
if (!sel.isEmpty()) {
removeEntries(((IStructuredSelection) sel).toList());
} else {
// empty selection:
if (removeAllIfNothingSelected)
removeEntries(new ArrayList<>(entries));
}
}
Example 16
| Source File: WorldEditor.java From neoscada with Eclipse Public License 1.0 | 5 votes |
|
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection ( ISelection selection )
{
if ( currentViewerPane != null && !selection.isEmpty () && selection instanceof IStructuredSelection )
{
Iterator<?> selectedElements = ( (IStructuredSelection)selection ).iterator ();
if ( selectedElements.hasNext () )
{
// Get the first selected element.
//
Object selectedElement = selectedElements.next ();
// If it's the selection viewer, then we want it to select the same selection as this selection.
//
if ( currentViewerPane.getViewer () == selectionViewer )
{
ArrayList<Object> selectionList = new ArrayList<Object> ();
selectionList.add ( selectedElement );
while ( selectedElements.hasNext () )
{
selectionList.add ( selectedElements.next () );
}
// Set the selection to the widget.
//
selectionViewer.setSelection ( new StructuredSelection ( selectionList ) );
}
else
{
// Set the input to the widget.
//
if ( currentViewerPane.getViewer ().getInput () != selectedElement )
{
currentViewerPane.getViewer ().setInput ( selectedElement );
currentViewerPane.setTitle ( selectedElement );
}
}
}
}
}
Example 17
| Source File: OpenGeneratedSourceInEditorHandler.java From n4js with Eclipse Public License 1.0 | 5 votes |
|
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
final ISelection selection = getCurrentSelection(event);
if (null == selection) {
return null;
}
if (selection.isEmpty()) {
return null;
}
final AtomicReference<IFile> fileRef = new AtomicReference<>();
if (selection instanceof IStructuredSelection) {
final Object element = ((IStructuredSelection) selection).getFirstElement();
if (element instanceof IFile) {
fileRef.set((IFile) element);
}
} else if (selection instanceof ITextSelection) {
final IEditorPart editorPart = getActiveEditor(event);
if (null != editorPart) {
final IEditorInput input = editorPart.getEditorInput();
if (input instanceof IFileEditorInput) {
fileRef.set(((IFileEditorInput) input).getFile());
}
}
}
if (null != fileRef.get()) {
final Optional<IFile> generatedSource = fileLocator.tryGetGeneratedSourceForN4jsFile(fileRef.get());
if (generatedSource.isPresent()) {
tryOpenFileInEditor(fileRef.get(), generatedSource.get());
}
}
return null;
}
Example 18
| Source File: CDateTimeSelectionProvider.java From nebula with Eclipse Public License 2.0 | 5 votes |
|
public void setSelection(ISelection selection) {
if(!selection.isEmpty() && (selection instanceof IStructuredSelection)) {
Object obj = ((IStructuredSelection) selection).getFirstElement();
if(obj instanceof Date) {
cdt.setSelection((Date) obj);
}
}
}
Example 19
| Source File: CDateTimeSelectionProvider.java From nebula with Eclipse Public License 2.0 | 5 votes |
|
public void setSelection(ISelection selection) {
if(!selection.isEmpty() && (selection instanceof IStructuredSelection)) {
Object obj = ((IStructuredSelection) selection).getFirstElement();
if(obj instanceof Date) {
cdt.setSelection((Date) obj);
}
}
}
Example 20
| Source File: FactoryEditor.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
public void handleDelete ()
{
final ISelection sel = this.viewer.getSelection ();
if ( sel == null || sel.isEmpty () || ! ( sel instanceof IStructuredSelection ) )
{
return;
}
final IStructuredSelection selection = (IStructuredSelection)sel;
final Collection<String> items = new LinkedList<String> ();
final Iterator<?> i = selection.iterator ();
while ( i.hasNext () )
{
final ConfigurationDescriptor info = (ConfigurationDescriptor)i.next ();
items.add ( info.getConfigurationInformation ().getId () );
}
if ( items.isEmpty () )
{
return;
}
if ( !MessageDialog.openConfirm ( this.viewer.getControl ().getShell (), "Delete configurations", String.format ( "Delete %s configuration entries", items.size () ) ) )
{
return;
}
final org.eclipse.core.runtime.jobs.Job job = this.factoryInput.createDeleteJob ( items );
job.addJobChangeListener ( new JobChangeAdapter () {
@Override
public void done ( final IJobChangeEvent event )
{
refresh ();
}
} );
job.schedule ();
}
