| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.corext.buildpath; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.dltk.core.IProjectFragment; |
| import org.eclipse.dltk.core.IScriptProject; |
| import org.eclipse.dltk.core.ModelException; |
| import org.eclipse.dltk.internal.ui.wizards.NewWizardMessages; |
| import org.eclipse.dltk.internal.ui.wizards.buildpath.newsourcepage.DialogPackageExplorerActionGroup; |
| |
| |
| |
| /** |
| * Operation to include objects of type |
| * <code>IResource</code> or <code>IModelElement</code>. |
| * |
| */ |
| public class IncludeOperation extends BuildpathModifierOperation { |
| |
| /** |
| * Constructor |
| * |
| * @param listener a <code>IBuildpathModifierListener</code> that is notified about |
| * changes on buildpath entries or <code>null</code> if no such notification is |
| * necessary. |
| * @param informationProvider a provider to offer information to the operation |
| * |
| * @see IBuildpathInformationProvider |
| * @see BuildpathModifier |
| */ |
| public IncludeOperation(IBuildpathModifierListener listener, IBuildpathInformationProvider informationProvider) { |
| super(listener, informationProvider, NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Include_tooltip, IBuildpathInformationProvider.INCLUDE); |
| } |
| |
| /** |
| * Method which runs the actions with a progress monitor.<br> |
| * |
| * This operation does not require any queries from the provider. |
| * |
| * @param monitor a progress monitor, can be <code>null</code> |
| */ |
| @Override |
| public void run(IProgressMonitor monitor) throws InvocationTargetException { |
| List result= null; |
| fException= null; |
| try { |
| List elements= getSelectedElements(); |
| IScriptProject project= fInformationProvider.getScriptProject(); |
| result= include(elements, project, monitor); |
| } catch (CoreException e) { |
| fException= e; |
| result= null; |
| } |
| super.handleResult(result, monitor); |
| } |
| |
| /** |
| * Find out whether this operation can be executed on |
| * the provided list of elements. |
| * |
| * @param elements a list of elements |
| * @param types an array of types for each element, that is, |
| * the type at position 'i' belongs to the selected element |
| * at position 'i' |
| * |
| * @return <code>true</code> if the operation can be |
| * executed on the provided list of elements, <code> |
| * false</code> otherwise. |
| * @throws ModelException |
| */ |
| @Override |
| public boolean isValid(List elements, int[] types) throws ModelException { |
| if (elements.size() == 0) |
| return false; |
| IScriptProject project= fInformationProvider.getScriptProject(); |
| for(int i= 0; i < elements.size(); i++) { |
| Object element= elements.get(i); |
| switch (types[i]) { |
| case DialogPackageExplorerActionGroup.PACKAGE_FRAGMENT: break; // ok |
| case DialogPackageExplorerActionGroup.FOLDER: if (!isValidFolder((IResource)element, project)) return false; break; |
| case DialogPackageExplorerActionGroup.EXCLUDED_FOLDER: break; // ok |
| case DialogPackageExplorerActionGroup.EXCLUDED_FILE: break; // ok |
| case DialogPackageExplorerActionGroup.SOURCE_MODULE: break; // ok |
| default: return false; // all others are not ok |
| } |
| |
| } |
| return true; |
| } |
| |
| /** |
| * Find out whether the folder can be included or not. |
| * |
| * @param resource the resource to be checked |
| * @param project the script project |
| * @return <code>true</code> if the folder can be included, <code> |
| * false</code> otherwise |
| * @throws ModelException |
| */ |
| private boolean isValidFolder(IResource resource, IScriptProject project) throws ModelException { |
| if (project.isOnBuildpath(project) && resource.getProjectRelativePath().segmentCount() == 1) { |
| IProjectFragment root1= BuildpathModifier.getFragmentRoot(resource, project, null); |
| IProjectFragment root2= BuildpathModifier.getFragmentRoot(project.getResource(), project, null); |
| if (root1 != null && root1.equals(root2)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Get a description for this operation. The description depends on |
| * the provided type parameter, which must be a constant of |
| * <code>DialogPackageExplorerActionGroup</code>. If the type is |
| * <code>DialogPackageExplorerActionGroup.MULTI</code>, then the |
| * description will be very general to describe the situation of |
| * all the different selected objects as good as possible. |
| * |
| * @param type the type of the selected object, must be a constant of |
| * <code>DialogPackageExplorerActionGroup</code>. |
| * @return a string describing the operation |
| */ |
| @Override |
| public String getDescription(int type) { |
| if (type == DialogPackageExplorerActionGroup.PACKAGE_FRAGMENT) |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_Include; |
| if (type == DialogPackageExplorerActionGroup.SOURCE_MODULE) |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_Include; |
| if (type == DialogPackageExplorerActionGroup.FOLDER) |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_Include; |
| if (type == DialogPackageExplorerActionGroup.EXCLUDED_FOLDER) |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_Include; |
| if (type == DialogPackageExplorerActionGroup.EXCLUDED_FILE) |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_Include; |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_Default_Include; |
| } |
| } |