| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Jesper Kamstrup Linnet (eclipse@kamstrup-linnet.dk) - initial API and implementation |
| * (report 36180: Callers/Callees view) |
| * Stephan Herrmann (stephan@cs.tu-berlin.de): |
| * - bug 75800: [call hierarchy] should allow searches for fields |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.callhierarchy; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.core.IMember; |
| |
| import org.eclipse.jdt.internal.corext.callhierarchy.CallHierarchy; |
| import org.eclipse.jdt.internal.corext.callhierarchy.MethodWrapper; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels; |
| |
| class FocusOnSelectionAction extends Action { |
| private CallHierarchyViewPart fPart; |
| |
| public FocusOnSelectionAction(CallHierarchyViewPart part) { |
| super(CallHierarchyMessages.FocusOnSelectionAction_focusOnSelection_text); |
| fPart= part; |
| setDescription(CallHierarchyMessages.FocusOnSelectionAction_focusOnSelection_description); |
| setToolTipText(CallHierarchyMessages.FocusOnSelectionAction_focusOnSelection_tooltip); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CALL_HIERARCHY_FOCUS_ON_SELECTION_ACTION); |
| } |
| |
| public boolean canActionBeAdded() { |
| IMember[] members= getSelectedInputElements(); |
| |
| if (members != null) { |
| if (members.length == 1) { |
| setText(Messages.format(CallHierarchyMessages.FocusOnSelectionAction_focusOn_text, BasicElementLabels.getJavaElementName(members[0].getElementName()))); |
| } else { |
| setText(CallHierarchyMessages.FocusOnSelectionAction_focusOn_selected); |
| } |
| return true; |
| |
| } else { |
| return false; |
| } |
| } |
| |
| private IMember[] getSelectedInputElements() { |
| ISelection selection= getSelection(); |
| if (selection instanceof IStructuredSelection) { |
| Object[] elements= ((IStructuredSelection) selection).toArray(); |
| IMember[] members= new IMember[elements.length]; |
| for (int i= 0; i < elements.length; i++) { |
| Object element= elements[i]; |
| if (CallHierarchy.isPossibleInputElement(element)) { |
| members[i]= (IMember) element; |
| } else if (element instanceof MethodWrapper) { |
| IMember wrapped= ((MethodWrapper) element).getMember(); |
| if (CallHierarchy.isPossibleInputElement(wrapped)) { |
| members[i]= wrapped; |
| } else { |
| return null; |
| } |
| } else { |
| return null; |
| } |
| } |
| if (members.length > 0) |
| return members; |
| } |
| return null; |
| } |
| |
| /* |
| * @see Action#run |
| */ |
| @Override |
| public void run() { |
| IMember[] members= getSelectedInputElements(); |
| if (members != null) { |
| fPart.setInputElements(members); |
| } |
| } |
| |
| private ISelection getSelection() { |
| ISelectionProvider provider= fPart.getSite().getSelectionProvider(); |
| |
| if (provider != null) { |
| return provider.getSelection(); |
| } |
| |
| return null; |
| } |
| } |