| /******************************************************************************* |
| * 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.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.dltk.core.IProjectFragment; |
| import org.eclipse.dltk.core.ModelException; |
| import org.eclipse.dltk.internal.ui.wizards.NewWizardMessages; |
| import org.eclipse.dltk.internal.ui.wizards.buildpath.newsourcepage.DialogPackageExplorerActionGroup; |
| import org.eclipse.dltk.internal.ui.wizards.buildpath.newsourcepage.GenerateBuildPathActionGroup.CreateLinkedSourceFolderAction; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| /** |
| * Operation create a link to a source folder. |
| * |
| */ |
| public class LinkedSourceFolderOperation extends BuildpathModifierOperation { |
| |
| private IBuildpathModifierListener fListener; |
| private IBuildpathInformationProvider fCPInformationProvider; |
| |
| /** |
| * 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 action |
| * |
| * @see IBuildpathInformationProvider |
| * @see BuildpathModifier |
| */ |
| public LinkedSourceFolderOperation(IBuildpathModifierListener listener, IBuildpathInformationProvider informationProvider) { |
| super(listener, informationProvider, NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Link_tooltip, IBuildpathInformationProvider.CREATE_LINK); |
| fListener= listener; |
| fCPInformationProvider= informationProvider; |
| } |
| |
| /** |
| * Method which runs the actions with a progress monitor.<br> |
| * |
| * This operation requires the following query from the provider: |
| * <li>ILinkToQuery</li> |
| * |
| * @param monitor a progress monitor, can be <code>null</code> |
| */ |
| @Override |
| public void run(IProgressMonitor monitor) |
| throws InvocationTargetException, InterruptedException { |
| CreateLinkedSourceFolderAction action= new CreateLinkedSourceFolderAction(); |
| action.selectionChanged(new StructuredSelection(fCPInformationProvider.getScriptProject())); |
| action.run(); |
| IProjectFragment createdElement= (IProjectFragment)action.getCreatedElement(); |
| if (createdElement == null) { |
| //Wizard was cancled. |
| return; |
| } |
| try { |
| IResource correspondingResource= createdElement.getCorrespondingResource(); |
| List result= new ArrayList(); |
| result.add(correspondingResource); |
| if (fListener != null) { |
| List entries= action.getBPListElements(); |
| fListener.buildpathEntryChanged(entries); |
| } |
| fCPInformationProvider.handleResult(result, null, IBuildpathInformationProvider.CREATE_LINK); |
| } catch (ModelException e) { |
| if (monitor == null) { |
| fCPInformationProvider.handleResult(Collections.EMPTY_LIST, e, IBuildpathInformationProvider.CREATE_LINK); |
| } else { |
| throw new InvocationTargetException(e); |
| } |
| } |
| } |
| |
| /** |
| * This particular operation is always valid. |
| * |
| * @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 { |
| return types.length == 1 && types[0] == DialogPackageExplorerActionGroup.SCRIPT_PROJECT; |
| } |
| |
| /** |
| * Get a description for this operation. |
| * |
| * @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) { |
| return NewWizardMessages.PackageExplorerActionGroup_FormText_createLinkedFolder; |
| } |
| |
| } |