org.eclipse.scada.ui.utils

Class SelectionHelper

java.lang.Object

org.eclipse.scada.ui.utils.SelectionHelper

public final class SelectionHelper
extends Object

A helper to work with ISelection

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SelectionHelper.ListMode

Method Summary

Modifier and Type	Method and Description
static <T> T	first(org.eclipse.jface.viewers.ISelection selection, Class<T> clazz)
static <T> Iterable<T>	iterable(org.eclipse.jface.viewers.ISelection selection, Class<T> clazz)
static <T> Iterator<T>	iterator(org.eclipse.jface.viewers.ISelection selection, Class<T> clazz) Create an iterator that iterates only over objects in the selection of the provided type
static List<?>	list(org.eclipse.jface.viewers.ISelection selection)
static <T> List<T>	list(org.eclipse.jface.viewers.ISelection selection, Class<T> clazz)
static <T> List<T>	list(org.eclipse.jface.viewers.ISelection selection, SelectionHelper.ListMode mode, Class<T> clazz)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

iterator

public static <T> Iterator<T> iterator(org.eclipse.jface.viewers.ISelection selection,
                                       Class<T> clazz)

Create an iterator that iterates only over objects in the selection of the provided type

This implementation will only work with IStructuredSelection but does not fail for others.

Parameters:

selection - the selection

clazz - the required type

Returns:

the resulting iterator, never null

list

public static List<?> list(org.eclipse.jface.viewers.ISelection selection)

list

public static <T> List<T> list(org.eclipse.jface.viewers.ISelection selection,
                               Class<T> clazz)

list

public static <T> List<T> list(org.eclipse.jface.viewers.ISelection selection,
                               SelectionHelper.ListMode mode,
                               Class<T> clazz)

iterable

public static <T> Iterable<T> iterable(org.eclipse.jface.viewers.ISelection selection,
                                       Class<T> clazz)

first

public static <T> T first(org.eclipse.jface.viewers.ISelection selection,
                          Class<T> clazz)