Java Code Examples for org.eclipse.jface.viewers.TreeViewer#getSelection()

The following examples show how to use org.eclipse.jface.viewers.TreeViewer#getSelection() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ScriptViewContextMenuProvider.java    From birt with Eclipse Public License 1.0 6 votes vote down vote up 
public void buildContextMenu( IMenuManager menu )
{
	menu.add( new Separator( IWorkbenchActionConstants.MB_ADDITIONS ) );
	TreeViewer treeViewer = (TreeViewer) getViewer( );

	IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection( );
	
	//temporary solution
	
	if ( selection.size( ) == 1 )
	{
		Object obj = selection.getFirstElement( );
		ScriptProviderFactory.createProvider( obj )
				.createContextMenu( treeViewer, obj, menu );
	}
	else
	{
		ScriptProviderFactory.getDefaultProvider( )
				.createContextMenu( treeViewer, selection, menu );
		
	}
}
Example 2
Source File: AbstractOutlineWorkbenchTest.java    From xsemantics with Eclipse Public License 1.0 6 votes vote down vote up 
protected void assertSelected(TreeViewer treeViewer,
		IOutlineNode... expectedSelection) {
	ISelection selection = treeViewer.getSelection();
	assertTrue(selection instanceof IStructuredSelection);
	assertEquals(expectedSelection.length,
			((IStructuredSelection) selection).size());
	OUTER: for (Iterator<?> i = ((IStructuredSelection) selection)
			.iterator(); i.hasNext();) {
		Object selectedObject = i.next();
		assertTrue(selectedObject instanceof IOutlineNode);
		for (IOutlineNode expectedSelected : expectedSelection) {
			if (nodeComparer.equals((IOutlineNode) selectedObject,
					expectedSelected))
				continue OUTER;
		}
		fail("Unexpected selection " + selectedObject.toString());
	}
}
Example 3
Source File: XViewerCustomizeDialog.java    From nebula with Eclipse Public License 2.0 5 votes vote down vote up 
private List<XViewerColumn> getTableSelection(TreeViewer xColTableViewer) {
   List<XViewerColumn> xCols = new ArrayList<>();
   IStructuredSelection selection = (IStructuredSelection) xColTableViewer.getSelection();
   if (selection.isEmpty()) {
      return null;
   }
   Iterator<?> i = selection.iterator();
   while (i.hasNext()) {
      xCols.add((XViewerColumn) i.next());
   }
   return xCols;
}
Example 4
Source File: AbstractOutlineWorkbenchTest.java    From n4js with Eclipse Public License 1.0 5 votes vote down vote up 
protected void assertSelected(TreeViewer aTreeViewer, IOutlineNode... expectedSelection) {
	ISelection selection = aTreeViewer.getSelection();
	assertTrue(selection instanceof IStructuredSelection);
	assertEquals(expectedSelection.length, ((IStructuredSelection) selection).size());
	OUTER: for (Iterator<?> i = ((IStructuredSelection) selection).iterator(); i.hasNext();) {
		Object selectedObject = i.next();
		assertTrue(selectedObject instanceof IOutlineNode);
		for (IOutlineNode expectedSelected : expectedSelection) {
			if (nodeComparer.equals((IOutlineNode) selectedObject, expectedSelected))
				continue OUTER;
		}
		fail("Unexpected selection " + selectedObject.toString());
	}
}
Example 5
Source File: AbstractOutlineWorkbenchTest.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
protected void assertSelected(TreeViewer treeViewer, IOutlineNode... expectedSelection) {
	ISelection selection = treeViewer.getSelection();
	assertTrue(selection instanceof IStructuredSelection);
	assertEquals(expectedSelection.length, ((IStructuredSelection) selection).size());
	OUTER: for (Iterator<?> i = ((IStructuredSelection) selection).iterator(); i.hasNext();) {
		Object selectedObject = i.next();
		assertTrue(selectedObject instanceof IOutlineNode);
		for (IOutlineNode expectedSelected : expectedSelection) {
			if (nodeComparer.equals((IOutlineNode) selectedObject, expectedSelected))
				continue OUTER;
		}
		fail("Unexpected selection " + selectedObject.toString());
	}
}
Example 6
Source File: BlockSelector.java    From elexis-3-core with Eclipse Public License 1.0 5 votes vote down vote up 
@Override
public void selectionChanged(SelectionChangedEvent event){
	TreeViewer tv = (TreeViewer) event.getSource();
	StructuredSelection ss = (StructuredSelection) tv.getSelection();
	Object selected = null;
	Object firstElement = ss.isEmpty() ? null : ss.getFirstElement();
	if (firstElement instanceof BlockTreeViewerItem) {
		selected = ((BlockTreeViewerItem) firstElement).getBlock();
	}
	tvfa.updateSelection((Identifiable) selected);
	if (selected != null) {
		ContextServiceHolder.get().getRootContext().setTyped(selected);
	}
}
Example 7
Source File: EigenartikelSelector.java    From elexis-3-core with Eclipse Public License 1.0 5 votes vote down vote up 
@Override
public void selectionChanged(SelectionChangedEvent event){
	TreeViewer tv = (TreeViewer) event.getSource();
	StructuredSelection ss = (StructuredSelection) tv.getSelection();
	tvfa.updateSelection(ss.isEmpty() ? null : ss.getFirstElement());
	
	if (!ss.isEmpty()) {
		IArticle ea = (IArticle) ss.getFirstElement();
		ContextServiceHolder.get().getRootContext()
			.setNamed("ch.elexis.core.ui.eigenartikel.selection", ea);
	} else {
		ContextServiceHolder.get().getRootContext()
			.setNamed("ch.elexis.core.ui.eigenartikel.selection", null);
	}
}
Example 8
Source File: ViewContextMenuProvider.java    From birt with Eclipse Public License 1.0 4 votes vote down vote up 
/**
 * Builds the context menu. Single selection menu and multiple selection
 * menu are created while selecting just single element or multiple elements
 * 
 * 
 * @param menu
 *            the menu
 */
public void buildContextMenu( IMenuManager menu )
{
	menu.add( new Separator( IWorkbenchActionConstants.MB_ADDITIONS ) );
	TreeViewer treeViewer = (TreeViewer) getViewer( );

	IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection( );

	// temporary solution
	Object input = treeViewer.getInput( );
	if ( input instanceof Object[] )
	{
		Object[] inputs = (Object[]) input;
		if ( inputs.length == 1 && inputs[0] instanceof ReportDesignHandle )
		{
			for ( Iterator iter = selection.iterator( ); iter.hasNext( ); )
			{
				if ( isIncludedLibrary( iter.next( ) ) )
				{
					return;
				}
			}
		}
	}

	if ( selection.size( ) == 1 )
	{
		// Create Single Selection Menu
		Object obj = selection.getFirstElement( );
		if ( ProviderFactory.createProvider( obj ) != null )
		{
			ProviderFactory.createProvider( obj )
					.createContextMenu( treeViewer, obj, menu );
		}
		if ( Policy.TRACING_MENU_SHOW )
		{
			System.out.println( "Menu(for Views) >> Shows for " + ProviderFactory.createProvider( obj ).getNodeDisplayName( obj ) ); //$NON-NLS-1$
		}
	}
	else
	{
		// Added by ywang on 2004.9.15
		// Create Multiple Selection Menu
		if ( ProviderFactory.getDefaultProvider( ) != null)
		{
			ProviderFactory.getDefaultProvider( )
					.createContextMenu( treeViewer, selection, menu );
		}

		if ( Policy.TRACING_MENU_SHOW )
		{
			System.out.println( "Menu(for Views) >> Shows for multi-selcetion." ); //$NON-NLS-1$
		}
	}
}