Example usage for org.eclipse.jface.viewers IStructuredSelection toArray

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection toArray.

Prototype

public Object[] toArray();

Source Link

Document

Returns the elements in this selection as an array.

Usage

From source file:descent.internal.corext.refactoring.RefactoringAvailabilityTester.java

License:Open Source License

public static boolean isDeleteAvailable(final IStructuredSelection selection) throws JavaModelException {
    if (!selection.isEmpty())
        return isDeleteAvailable(selection.toArray());
    return false;
}

From source file:descent.internal.corext.refactoring.RefactoringAvailabilityTester.java

License:Open Source License

public static boolean isExtractSupertypeAvailable(final IStructuredSelection selection)
        throws JavaModelException {
    if (!selection.isEmpty()) {
        if (selection.size() == 1) {
            if (selection.getFirstElement() instanceof ICompilationUnit)
                return true; // Do not force opening
            final IType type = getSingleSelectedType(selection);
            if (type != null)
                return Checks.isAvailable(type) && isExtractSupertypeAvailable(new IType[] { type });
        }/*  w ww  .  j  a v  a 2s .c o m*/
        for (final Iterator iterator = selection.iterator(); iterator.hasNext();) {
            if (!(iterator.next() instanceof IMember))
                return false;
        }
        final Set members = new HashSet();
        members.addAll(Arrays.asList(selection.toArray()));
        return isExtractSupertypeAvailable((IMember[]) members.toArray(new IMember[members.size()]));
    }
    return false;
}

From source file:descent.internal.corext.refactoring.RefactoringAvailabilityTester.java

License:Open Source License

public static boolean isPullUpAvailable(final IStructuredSelection selection) throws JavaModelException {
    if (!selection.isEmpty()) {
        if (selection.size() == 1) {
            if (selection.getFirstElement() instanceof ICompilationUnit)
                return true; // Do not force opening
            final IType type = getSingleSelectedType(selection);
            if (type != null)
                return Checks.isAvailable(type) && isPullUpAvailable(new IType[] { type });
        }//from  ww w. j av  a  2s .c  om
        for (final Iterator iterator = selection.iterator(); iterator.hasNext();) {
            if (!(iterator.next() instanceof IMember))
                return false;
        }
        final Set members = new HashSet();
        members.addAll(Arrays.asList(selection.toArray()));
        return isPullUpAvailable((IMember[]) members.toArray(new IMember[members.size()]));
    }
    return false;
}

From source file:descent.internal.corext.refactoring.RefactoringAvailabilityTester.java

License:Open Source License

public static boolean isPushDownAvailable(final IStructuredSelection selection) throws JavaModelException {
    if (!selection.isEmpty()) {
        if (selection.size() == 1) {
            if (selection.getFirstElement() instanceof ICompilationUnit)
                return true; // Do not force opening
            final IType type = getSingleSelectedType(selection);
            if (type != null)
                return isPushDownAvailable(new IType[] { type });
        }//from  w  w  w.ja  va2 s  . c  om
        for (final Iterator iterator = selection.iterator(); iterator.hasNext();) {
            if (!(iterator.next() instanceof IMember))
                return false;
        }
        final Set members = new HashSet();
        members.addAll(Arrays.asList(selection.toArray()));
        return isPushDownAvailable((IMember[]) members.toArray(new IMember[members.size()]));
    }
    return false;
}

From source file:descent.internal.ui.actions.CopyQualifiedNameAction.java

License:Open Source License

/**
 * {@inheritDoc}
 */
public void selectionChanged(IStructuredSelection selection) {
    setEnabled(canEnable(selection.toArray()));
}

From source file:descent.internal.ui.refactoring.reorg.DeleteAction.java

License:Open Source License

public void selectionChanged(IStructuredSelection selection) {
    if (ReorgUtils.containsOnlyProjects(selection.toList())) {
        setEnabled(createWorkbenchAction(selection).isEnabled());
        return;//ww w  .  j av  a 2  s  .  c o  m
    }
    try {
        setEnabled(RefactoringAvailabilityTester.isDeleteAvailable(selection.toArray()));
    } catch (CoreException e) {
        //no ui here - this happens on selection changes
        // http://bugs.eclipse.org/bugs/show_bug.cgi?id=19253
        if (JavaModelUtil.isExceptionToBeLogged(e))
            JavaPlugin.log(e);
        setEnabled(false);
    }
}

From source file:descent.internal.ui.refactoring.reorg.DeleteAction.java

License:Open Source License

public void run(IStructuredSelection selection) {
    if (ReorgUtils.containsOnlyProjects(selection.toList())) {
        createWorkbenchAction(selection).run();
        return;/* www .  jav  a 2 s  . c om*/
    }
    try {
        RefactoringExecutionStarter.startDeleteRefactoring(selection.toArray(), getShell());
    } catch (CoreException e) {
        ExceptionHandler.handle(e, RefactoringMessages.OpenRefactoringWizardAction_refactoring,
                RefactoringMessages.OpenRefactoringWizardAction_exception);
    }
}

From source file:descent.internal.ui.util.JavaUIHelp.java

License:Open Source License

/**
 * Creates and returns a help context provider for the given part.
 * //from  www . j av  a2  s .  com
 * @param part the part for which to create the help context provider
 * @param contextId   the optional context ID used to retrieve static help
 * @return the help context provider 
 */
public static IContextProvider getHelpContextProvider(IWorkbenchPart part, String contextId) {
    IStructuredSelection selection;
    try {
        selection = SelectionConverter.getStructuredSelection(part);
    } catch (JavaModelException ex) {
        JavaPlugin.log(ex);
        selection = StructuredSelection.EMPTY;
    }
    Object[] elements = selection.toArray();
    return new JavaUIHelpContextProvider(contextId, elements);
}

From source file:descent.ui.actions.FormatAllAction.java

License:Open Source License

private ICompilationUnit[] getCompilationUnits(IStructuredSelection selection) {
    HashSet result = new HashSet();
    Object[] selected = selection.toArray();
    for (int i = 0; i < selected.length; i++) {
        try {//from w  w w.  j  a  v a  2  s  .c o  m
            if (selected[i] instanceof IJavaElement) {
                IJavaElement elem = (IJavaElement) selected[i];
                if (elem.exists()) {

                    switch (elem.getElementType()) {
                    case IJavaElement.TYPE:
                        if (elem.getParent().getElementType() == IJavaElement.COMPILATION_UNIT) {
                            result.add(elem.getParent());
                        }
                        break;
                    case IJavaElement.COMPILATION_UNIT:
                        result.add(elem);
                        break;
                    case IJavaElement.PACKAGE_FRAGMENT:
                        collectCompilationUnits((IPackageFragment) elem, result);
                        break;
                    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
                        collectCompilationUnits((IPackageFragmentRoot) elem, result);
                        break;
                    case IJavaElement.JAVA_PROJECT:
                        IPackageFragmentRoot[] roots = ((IJavaProject) elem).getPackageFragmentRoots();
                        for (int k = 0; k < roots.length; k++) {
                            collectCompilationUnits(roots[k], result);
                        }
                        break;
                    }
                }
            } else if (selected[i] instanceof LogicalPackage) {
                IPackageFragment[] packageFragments = ((LogicalPackage) selected[i]).getFragments();
                for (int k = 0; k < packageFragments.length; k++) {
                    IPackageFragment pack = packageFragments[k];
                    if (pack.exists()) {
                        collectCompilationUnits(pack, result);
                    }
                }
            }
        } catch (JavaModelException e) {
            JavaPlugin.log(e);
        }
    }
    return (ICompilationUnit[]) result.toArray(new ICompilationUnit[result.size()]);
}

From source file:descent.ui.actions.FormatAllAction.java

License:Open Source License

private boolean isEnabled(IStructuredSelection selection) {
    Object[] selected = selection.toArray();
    for (int i = 0; i < selected.length; i++) {
        try {//from w w w .  j a va  2  s.c o  m
            if (selected[i] instanceof IJavaElement) {
                IJavaElement elem = (IJavaElement) selected[i];
                if (elem.exists()) {
                    switch (elem.getElementType()) {
                    case IJavaElement.TYPE:
                        return elem.getParent().getElementType() == IJavaElement.COMPILATION_UNIT; // for browsing perspective
                    case IJavaElement.COMPILATION_UNIT:
                        return true;
                    case IJavaElement.PACKAGE_FRAGMENT:
                    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
                        IPackageFragmentRoot root = (IPackageFragmentRoot) elem
                                .getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
                        return (root.getKind() == IPackageFragmentRoot.K_SOURCE);
                    case IJavaElement.JAVA_PROJECT:
                        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=65638
                        return true;
                    }
                }
            } else if (selected[i] instanceof LogicalPackage) {
                return true;
            }
        } catch (JavaModelException e) {
            if (JavaModelUtil.isExceptionToBeLogged(e))
                JavaPlugin.log(e);
        }
    }
    return false;
}