| /******************************************************************************* |
| * Copyright (c) 2019 GK Software SE, 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: |
| * Stephan Herrmann - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.wizards.buildpaths; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import com.ibm.icu.text.MessageFormat; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.TrayDialog; |
| import org.eclipse.jface.layout.PixelConverter; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IModuleDescription; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.ui.JavaElementLabelProvider; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages; |
| |
| public class ModulePatchSourceSelectionDialog extends TrayDialog { |
| |
| /** |
| * Selective tree showing only java projects and their source folders. |
| */ |
| class SourcesContentProvider implements ITreeContentProvider { |
| @Override |
| public Object[] getElements(Object inputElement) { |
| if (inputElement instanceof List<?>) |
| return ((List<?>) inputElement).toArray(); |
| return null; |
| } |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof IJavaProject) { |
| List<IPackageFragmentRoot> sourceRoots= new ArrayList<>(); |
| IJavaProject parentProject= (IJavaProject) parentElement; |
| collectSourceFolders(sourceRoots, parentProject); |
| return sourceRoots.toArray(); |
| } |
| return null; |
| } |
| @Override |
| public Object getParent(Object element) { |
| if (element instanceof IPackageFragmentRoot) { |
| return ((IPackageFragmentRoot) element).getJavaProject(); |
| } |
| return null; |
| } |
| @Override |
| public boolean hasChildren(Object element) { |
| if (element instanceof IJavaProject) { |
| return getChildren(element) != null; |
| } |
| return false; |
| } |
| } |
| |
| class ContextProjectFirstComparator extends ViewerComparator { |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| if (e1.equals(fContextProject)) { |
| return -1; |
| } |
| if (e1.equals(fContextProject)) { |
| return 1; |
| } |
| return super.compare(viewer, e1, e2); |
| } |
| } |
| |
| private IModuleDescription fFocusModule; |
| private List<IJavaProject> fProjects; |
| private IJavaProject fContextProject; |
| |
| private List<IJavaElement> fResult; |
| |
| protected ModulePatchSourceSelectionDialog(Shell shell, IModuleDescription focusModule, IJavaProject contextProject) { |
| super(shell); |
| fFocusModule= focusModule; |
| fContextProject= contextProject; |
| findProjects(); |
| } |
| |
| @Override |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| newShell.setText(NewWizardMessages.ModulePatchSourceSelectionDialog_patchSourceLocation_title); |
| } |
| |
| @Override |
| protected int getShellStyle() { |
| return super.getShellStyle() | SWT.RESIZE; |
| } |
| |
| private void findProjects() { |
| fProjects= new ArrayList<>(); |
| IProject toSkip= null; |
| IPackageFragmentRoot focusRoot= (IPackageFragmentRoot) fFocusModule.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT); |
| try { |
| if (focusRoot != null) { |
| if (focusRoot.getKind() == IPackageFragmentRoot.K_SOURCE) { |
| toSkip= focusRoot.getJavaProject().getProject(); |
| } |
| } else if (fFocusModule.isAutoModule()) { |
| if (fFocusModule.getJavaProject() != null) { |
| toSkip= fFocusModule.getJavaProject().getProject(); |
| } |
| } |
| } catch (JavaModelException e1) { |
| JavaPlugin.log(e1); |
| } |
| for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) { |
| if (toSkip != null && toSkip.equals(project)) { |
| continue; |
| } |
| try { |
| if (project.hasNature(JavaCore.NATURE_ID)) { |
| IJavaProject jProj= JavaCore.create(project); |
| if (jProj.getModuleDescription() == null) { |
| fProjects.add(jProj); |
| } |
| } |
| } catch (CoreException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| } |
| |
| static void collectSourceFolders(List<IPackageFragmentRoot> sourceRoots, IJavaProject project) { |
| try { |
| for (IClasspathEntry entry : project.getRawClasspath()) { |
| if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| for (IPackageFragmentRoot packageFragmentRoot : project.findPackageFragmentRoots(entry)) { |
| if (packageFragmentRoot.getModuleDescription() == null) { |
| sourceRoots.add(packageFragmentRoot); |
| } |
| } |
| } |
| } |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| Composite composite= (Composite) super.createDialogArea(parent); |
| PixelConverter converter= new PixelConverter(parent); |
| int widthHint= converter.convertWidthInCharsToPixels(60); |
| Label message= new Label(composite, SWT.LEFT + SWT.WRAP); |
| message.setText(MessageFormat.format( |
| NewWizardMessages.ModulePatchSourceSelectionDialog_patchSourceLocation_message, |
| fFocusModule.getElementName())); |
| GridData gdLabel= new GridData(SWT.FILL, SWT.NONE, true, false); |
| gdLabel.widthHint= widthHint; |
| message.setLayoutData(gdLabel); |
| |
| TreeViewer treeViewer= new TreeViewer(composite, SWT.MULTI | SWT.BORDER); |
| treeViewer.setContentProvider(new SourcesContentProvider()); |
| treeViewer.setLabelProvider(new JavaElementLabelProvider()); |
| treeViewer.setComparator(new ContextProjectFirstComparator()); |
| treeViewer.addSelectionChangedListener(this::selectionChanged); |
| treeViewer.setInput(fProjects); |
| |
| GridData gd= new GridData(SWT.FILL, SWT.FILL, true, true); |
| gd.widthHint= widthHint; |
| gd.heightHint= converter.convertHeightInCharsToPixels(20); |
| treeViewer.getControl().setLayoutData(gd); |
| |
| return composite; |
| } |
| |
| @Override |
| protected Control createButtonBar(Composite parent) { |
| Control control= super.createButtonBar(parent); |
| getButton(IDialogConstants.OK_ID).setEnabled(false); // until element(s) enabled |
| return control; |
| |
| } |
| void selectionChanged(SelectionChangedEvent event) { |
| IStructuredSelection selection= event.getStructuredSelection(); |
| fResult= new ArrayList<>(); |
| for (Iterator<Object> iterator= selection.iterator(); iterator.hasNext(); ) { |
| Object object= iterator.next(); |
| if (object instanceof IPackageFragmentRoot) { |
| fResult.add((IPackageFragmentRoot) object); |
| } else if (object instanceof IJavaProject) { |
| fResult.add((IJavaProject) object); |
| } |
| } |
| getButton(IDialogConstants.OK_ID).setEnabled(!fResult.isEmpty()); |
| } |
| |
| public List<IJavaElement> getResult() { |
| return fResult; |
| } |
| } |