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

List of usage examples for org.eclipse.jface.viewers IStructuredSelection toArray

  1. HOME
  2. Java
  3. org.eclipse.jface
  4. org.eclipse.jface.viewers.*
  5. IStructuredSelection
  6. 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:ext.org.eclipse.jdt.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  .j  a v a  2 s  .co m*/
        for (final Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
            if (!(iterator.next() instanceof IMember))
                return false;
        }
        final Set<IMember> members = new HashSet<IMember>();
        @SuppressWarnings("unchecked")
        List<IMember> selectionList = (List<IMember>) (List<?>) Arrays.asList(selection.toArray());
        members.addAll(selectionList);
        return isPushDownAvailable(members.toArray(new IMember[members.size()]));
    }
    return false;
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.CleanUpAction.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 ww .  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:
                        return elem.getParent().getElementType() == IJavaElement.COMPILATION_UNIT; // for browsing perspective
                    case IJavaElement.COMPILATION_UNIT:
                        return true;
                    case IJavaElement.IMPORT_CONTAINER:
                        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;
            } else if (selected[i] instanceof IWorkingSet) {
                IWorkingSet workingSet = (IWorkingSet) selected[i];
                return IWorkingSetIDs.JAVA.equals(workingSet.getId());
            }
        } catch (JavaModelException e) {
            if (!e.isDoesNotExist()) {
                JavaPlugin.log(e);
            }
        }
    }
    return false;
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.CleanUpAction.java

License:Open Source License

public ICompilationUnit[] getCompilationUnits(IStructuredSelection selection) {
    HashSet<IJavaElement> result = new HashSet<IJavaElement>();
    Object[] selected = selection.toArray();
    for (int i = 0; i < selected.length; i++) {
        Object element = selected[i];
        collectCompilationUnits(element, result);
    }//from  w w  w . j ava2 s .c o  m
    return result.toArray(new ICompilationUnit[result.size()]);
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.CopyQualifiedNameAction.java

License:Open Source License

/**
 * {@inheritDoc}//from   ww w  . j a  v  a  2 s.c  o  m
 */
@Override
public void selectionChanged(IStructuredSelection selection) {
    setEnabled(canEnable(selection.toArray()));
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.ExtractSuperClassAction.java

License:Open Source License

private static IMember[] getSelectedMembers(final IStructuredSelection selection) {
    if (selection.isEmpty())
        return null;
    if (selection.size() == 1) {
        try {/*w  ww  .j av a 2  s.co m*/
            final IType type = RefactoringAvailabilityTester.getSingleSelectedType(selection);
            if (type != null)
                return new IType[] { type };
        } catch (JavaModelException exception) {
            JavaPlugin.log(exception);
        }
    }
    for (final Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        if (!(iterator.next() instanceof IMember))
            return null;
    }
    final Set<IMember> set = new HashSet<IMember>();
    @SuppressWarnings("unchecked")
    List<IMember> selectionList = (List<IMember>) (List<?>) Arrays.asList(selection.toArray());
    set.addAll(selectionList);
    return set.toArray(new IMember[set.size()]);
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.FindBrokenNLSKeysAction.java

License:Open Source License

private SearchPatternData[] getNLSFiles(IStructuredSelection selection) {
    Object[] selectedElements = selection.toArray();
    HashMap<IType, SearchPatternData> result = new HashMap<IType, SearchPatternData>();

    collectNLSFilesFromResources(selectedElements, result);
    collectNLSFilesFromJavaElements(selectedElements, result);

    Collection<SearchPatternData> values = result.values();
    return values.toArray(new SearchPatternData[values.size()]);
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.FindBrokenNLSKeysAction.java

License:Open Source License

private boolean canEnable(IStructuredSelection selection) {
    Object[] selected = selection.toArray();
    for (int i = 0; i < selected.length; i++) {
        try {//from   w  w  w. j  av  a2  s .co  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) {
                            return true;
                        }
                        return false;
                    case IJavaElement.COMPILATION_UNIT:
                        return true;
                    case IJavaElement.IMPORT_CONTAINER:
                        return false;
                    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:
                        return true;
                    }
                }
            } else if (selected[i] instanceof LogicalPackage) {
                return true;
            } else if (selected[i] instanceof IFile) {
                IFile file = (IFile) selected[i];
                if ("properties".equalsIgnoreCase(file.getFileExtension())) //$NON-NLS-1$
                    return true;
            } else if (selected[i] instanceof IWorkingSet) {
                IWorkingSet workingSet = (IWorkingSet) selected[i];
                return IWorkingSetIDs.JAVA.equals(workingSet.getId());
            }
        } catch (JavaModelException e) {
            if (!e.isDoesNotExist()) {
                JavaPlugin.log(e);
            }
        }
    }
    return false;
}

From source file:ext.org.eclipse.jdt.internal.ui.jarimport.JarImportWizardPage.java

License:Open Source License

/**
 * Handles the package fragment root changed event.
 *///from  w ww.  ja  v a 2  s.  c  o  m
protected void handlePackageFragmentRootChanged() {
    if (fTreeViewer != null) {
        final IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
        final Object[] elements = selection.toArray();
        if (elements.length != 1) {
            setErrorMessage(JarImportMessages.JarImportWizardPage_select_single_jar);
            setPageComplete(false);
            return;
        } else {
            final JarImportData data = fWizard.getImportData();
            final Object element = elements[0];
            if (element instanceof IPackageFragmentRoot)
                data.setPackageFragmentRoot((IPackageFragmentRoot) element);
            else if (element instanceof IPackageFragment) {
                data.setPackageFragmentRoot((IPackageFragmentRoot) ((IJavaElement) element).getParent());
            } else {
                setErrorMessage(JarImportMessages.JarImportWizardPage_select_single_jar);
                setPageComplete(false);
            }
        }
    }
}

From source file:ext.org.eclipse.jdt.internal.ui.refactoring.actions.MoveStaticMembersAction.java

License:Open Source License

private static IMember[] getSelectedMembers(IStructuredSelection selection) {
    if (selection.isEmpty())
        return null;

    for (final Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        if (!(iterator.next() instanceof IMember))
            return null;
    }/*from w  w w . j a  v a  2 s  .c  o m*/
    Set<IMember> memberSet = new HashSet<IMember>();
    @SuppressWarnings("unchecked")
    List<IMember> selectionList = (List<IMember>) (List<?>) Arrays.asList(selection.toArray());
    memberSet.addAll(selectionList);
    return memberSet.toArray(new IMember[memberSet.size()]);
}

From source file:ext.org.eclipse.jdt.internal.ui.refactoring.ExtractSupertypeMemberPage.java

License:Open Source License

/**
 * Creates the button composite.//from www . jav  a 2 s .  c  o  m
 *
 * @param parent
 *            the parent control
 */
protected void createButtonComposite(final Composite parent) {
    final Composite buttons = new Composite(parent, SWT.NONE);
    final GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    buttons.setLayout(layout);
    buttons.setLayoutData(new GridData(GridData.FILL_VERTICAL));

    final Button addButton = new Button(buttons, SWT.PUSH);
    addButton.setText(RefactoringMessages.ExtractSupertypeMemberPage_add_button_label);
    addButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    SWTUtil.setButtonDimensionHint(addButton);
    addButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent event) {
            try {
                computeCandidateTypes();
            } catch (InterruptedException exception) {
                return;
            }
            final LinkedList<IType> list = new LinkedList<IType>(Arrays.asList(fCandidateTypes));
            for (final Iterator<IType> outer = list.iterator(); outer.hasNext();) {
                final IType first = outer.next();
                for (final Iterator<IType> inner = fTypesToExtract.iterator(); inner.hasNext();) {
                    final IType second = inner.next();
                    if (second.getFullyQualifiedName().equals(first.getFullyQualifiedName()))
                        outer.remove();
                }
            }
            final SupertypeSelectionDialog dialog = new SupertypeSelectionDialog(getShell());
            dialog.create();
            dialog.setInput(list.toArray());
            final int result = dialog.open();
            if (result == Window.OK) {
                final Object[] objects = dialog.getResult();
                if (objects != null && objects.length > 0) {
                    for (int index = 0; index < objects.length; index++) {
                        fTypesToExtract.add((IType) objects[index]);
                    }
                    fTableViewer.setInput(fTypesToExtract.toArray());
                    handleTypesChanged();
                }
            }
        }
    });

    final Button removeButton = new Button(buttons, SWT.PUSH);
    removeButton.setText(RefactoringMessages.ExtractSupertypeMemberPage_remove_button_label);
    removeButton.setEnabled(fCandidateTypes.length > 0 && !fTableViewer.getSelection().isEmpty());
    removeButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    SWTUtil.setButtonDimensionHint(removeButton);
    removeButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent event) {
            final IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
            if (!selection.isEmpty()) {
                final IType declaring = getDeclaringType();
                for (final Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
                    final Object element = iterator.next();
                    if (!declaring.equals(element))
                        fTypesToExtract.remove(element);
                }
                fTableViewer.setInput(fTypesToExtract.toArray());
                handleTypesChanged();
            }
        }
    });
    fTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(final SelectionChangedEvent event) {
            final IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
            if (selection.isEmpty()) {
                removeButton.setEnabled(false);
                return;
            } else {
                final Object[] elements = selection.toArray();
                if (elements.length == 1 && elements[0].equals(getDeclaringType())) {
                    removeButton.setEnabled(false);
                    return;
                }
            }
            removeButton.setEnabled(true);
        }
    });
}