| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ccvs.ui; |
| |
| import java.lang.reflect.*; |
| |
| import org.eclipse.core.expressions.PropertyTester; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| //import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.team.internal.ui.actions.TeamAction; |
| |
| public class SelectionPropertyTester extends PropertyTester { |
| |
| /** |
| * |
| */ |
| public SelectionPropertyTester() { |
| // TODO Auto-generated constructor stub |
| } |
| |
| public boolean test(Object receiver, String property, Object[] args, |
| Object expectedValue) { |
| |
| // only 'isEnabled' property is allowed at the moment |
| if (property == null || !property.equals("isEnabled")) { //$NON-NLS-1$ |
| return false; |
| } |
| |
| if (!(receiver instanceof ISelection)) { |
| return false; |
| } |
| |
| if (args == null || args.length != 1) { |
| return false; |
| } |
| |
| Object obj = receiver; |
| if (obj instanceof IStructuredSelection) { |
| obj = ((IStructuredSelection) receiver).getFirstElement(); |
| } |
| |
| if (obj == null) { |
| return false; |
| } |
| |
| Object invoke; |
| try { |
| Class<?> clazz = Class.forName((String) args[0]); |
| Object instance = clazz.getDeclaredConstructor().newInstance(); |
| |
| // Field fld = clazz.getDeclaredField(SELECTION_FIELDNAME); |
| // fld.set(instance, (ISelection) receiver); |
| // ((TeamAction) instance).selectionChanged((IAction)instance, |
| // called only to set the selection |
| ((TeamAction) instance).selectionChanged(null, |
| (ISelection) receiver); |
| |
| Method method = findMethod(clazz, property); |
| if (method != null) { |
| invoke = method.invoke(instance, (Object[])null); |
| return ((Boolean) invoke).booleanValue(); |
| } |
| } catch (IllegalArgumentException e) { |
| CVSUIPlugin.log(new Status(IStatus.ERROR, CVSUIPlugin.ID, null, e)); |
| } catch (IllegalAccessException e) { |
| CVSUIPlugin.log(new Status(IStatus.ERROR, CVSUIPlugin.ID, null, e)); |
| } catch (InvocationTargetException e) { |
| CVSUIPlugin.log(new Status(IStatus.ERROR, CVSUIPlugin.ID, null, e)); |
| CVSUIPlugin.log(new Status(IStatus.ERROR, CVSUIPlugin.ID, null, e.getTargetException())); |
| } catch (ClassNotFoundException e) { |
| CVSUIPlugin.log(new Status(IStatus.ERROR, CVSUIPlugin.ID, null, e)); |
| } catch (Exception e) { |
| CVSUIPlugin.log(new Status(IStatus.ERROR, CVSUIPlugin.ID, null, e)); |
| } |
| return false; |
| } |
| |
| private static Method findMethod(Class clazz, String method) |
| throws Exception { |
| Method[] methods = clazz.getMethods(); |
| for (int i = 0; i < methods.length; i++) { |
| if (methods[i].getName().equals(method)) |
| return methods[i]; |
| } |
| return null; |
| } |
| } |