| /******************************************************************************* |
| * Copyright (c) 2006, 2015 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.jdt.internal.debug.ui.launcher; |
| |
| import java.util.Arrays; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.FilteredItemsSelectionDialog; |
| import org.eclipse.ui.model.IWorkbenchAdapter; |
| |
| /** |
| * This is a specialization of <code>FilteredItemsSelectionDialog</code> used to present |
| * users with a listing of <code>IType</code>s that contain main methods |
| * |
| * @since 3.3 |
| * |
| */ |
| public class DebugTypeSelectionDialog extends FilteredItemsSelectionDialog { |
| |
| /** |
| * Main list label provider |
| */ |
| public class DebugTypeLabelProvider implements ILabelProvider { |
| HashMap<ImageDescriptor, Image> fImageMap = new HashMap<>(); |
| |
| @Override |
| public Image getImage(Object element) { |
| if(element instanceof IAdaptable) { |
| IWorkbenchAdapter adapter = ((IAdaptable) element).getAdapter(IWorkbenchAdapter.class); |
| if(adapter != null) { |
| ImageDescriptor descriptor = adapter.getImageDescriptor(element); |
| Image image = fImageMap.get(descriptor); |
| if(image == null) { |
| image = descriptor.createImage(); |
| fImageMap.put(descriptor, image); |
| } |
| return image; |
| } |
| } |
| return null; |
| } |
| @Override |
| public String getText(Object element) { |
| if(element instanceof IType) { |
| IType type = (IType) element; |
| String label = type.getTypeQualifiedName(); |
| String container = getDeclaringContainerName(type); |
| if(container != null && !"".equals(container)) { //$NON-NLS-1$ |
| label += " - "+container; //$NON-NLS-1$ |
| } |
| return label; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the name of the declaring container name |
| * @param type the type to find the container name for |
| * @return the container name for the specified type |
| */ |
| protected String getDeclaringContainerName(IType type) { |
| IType outer = type.getDeclaringType(); |
| if(outer != null) { |
| return outer.getFullyQualifiedName('.'); |
| } |
| String name = type.getPackageFragment().getElementName(); |
| if("".equals(name)) { //$NON-NLS-1$ |
| name = LauncherMessages.MainMethodLabelProvider_0; |
| } |
| return name; |
| } |
| |
| /** |
| * Returns the narrowest enclosing <code>IJavaElement</code> which is either |
| * an <code>IType</code> (enclosing) or an <code>IPackageFragment</code> (contained in) |
| * @param type the type to find the enclosing <code>IJavaElement</code> for. |
| * @return the enclosing element or <code>null</code> if none |
| */ |
| protected IJavaElement getDeclaringContainer(IType type) { |
| IJavaElement outer = type.getDeclaringType(); |
| if(outer == null) { |
| outer = type.getPackageFragment(); |
| } |
| return outer; |
| } |
| |
| @Override |
| public void dispose() { |
| fImageMap.clear(); |
| fImageMap = null; |
| } |
| @Override |
| public void addListener(ILabelProviderListener listener) {} |
| @Override |
| public boolean isLabelProperty(Object element, String property) {return false;} |
| @Override |
| public void removeListener(ILabelProviderListener listener) {} |
| } |
| |
| /** |
| * Provides a label and image for the details area of the dialog |
| */ |
| class DebugTypeDetailsLabelProvider extends DebugTypeLabelProvider { |
| @Override |
| public String getText(Object element) { |
| if(element instanceof IType) { |
| IType type = (IType) element; |
| String name = getDeclaringContainerName(type); |
| if(name != null) { |
| if(name.equals(LauncherMessages.MainMethodLabelProvider_0)) { |
| IJavaProject project = type.getJavaProject(); |
| if(project != null) { |
| try { |
| return project.getOutputLocation().toOSString().substring(1)+" - "+name; //$NON-NLS-1$ |
| } |
| catch (JavaModelException e) {JDIDebugUIPlugin.log(e);} |
| } |
| } |
| else { |
| return name; |
| } |
| } |
| } |
| return null; |
| } |
| @Override |
| public Image getImage(Object element) { |
| if(element instanceof IType) { |
| return super.getImage(getDeclaringContainer(((IType) element))); |
| } |
| return super.getImage(element); |
| } |
| } |
| |
| /** |
| * Simple items filter |
| */ |
| class DebugTypeItemsFilter extends ItemsFilter { |
| @Override |
| public boolean isConsistentItem(Object item) { |
| return item instanceof IType; |
| } |
| @Override |
| public boolean matchItem(Object item) { |
| if(!(item instanceof IType) || !Arrays.asList(fTypes).contains(item)) { |
| return false; |
| } |
| return matches(((IType)item).getElementName()); |
| } |
| } |
| |
| /** |
| * The selection history for the dialog |
| */ |
| class DebugTypeSelectionHistory extends SelectionHistory { |
| @Override |
| protected Object restoreItemFromMemento(IMemento memento) { |
| IJavaElement element = JavaCore.create(memento.getTextData()); |
| return (element instanceof IType ? element : null); |
| } |
| @Override |
| protected void storeItemToMemento(Object item, IMemento memento) { |
| if(item instanceof IType) { |
| memento.putTextData(((IType) item).getHandleIdentifier()); |
| } |
| } |
| } |
| |
| private static final String SETTINGS_ID = JDIDebugUIPlugin.getUniqueIdentifier() + ".MAIN_METHOD_SELECTION_DIALOG"; //$NON-NLS-1$ |
| private IType[] fTypes = null; |
| |
| /** |
| * Constructor |
| * @param elements the types to display in the dialog |
| */ |
| public DebugTypeSelectionDialog(Shell shell, IType[] elements, String title) { |
| super(shell, false); |
| setTitle(title); |
| fTypes = elements; |
| setMessage(LauncherMessages.JavaMainTab_Choose_a_main__type_to_launch__12); |
| setInitialPattern("**"); //$NON-NLS-1$ |
| setListLabelProvider(new DebugTypeLabelProvider()); |
| setDetailsLabelProvider(new DebugTypeDetailsLabelProvider()); |
| setSelectionHistory(new DebugTypeSelectionHistory()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| Control ctrl = super.createDialogArea(parent); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(ctrl, IJavaDebugHelpContextIds.SELECT_MAIN_METHOD_DIALOG); |
| return ctrl; |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#getDialogSettings() |
| */ |
| @Override |
| protected IDialogSettings getDialogSettings() { |
| IDialogSettings settings = JDIDebugUIPlugin.getDefault().getDialogSettings(); |
| IDialogSettings section = settings.getSection(SETTINGS_ID); |
| if (section == null) { |
| section = settings.addNewSection(SETTINGS_ID); |
| } |
| return section; |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#getItemsComparator() |
| */ |
| @Override |
| protected Comparator getItemsComparator() { |
| Comparator<?> comp = new Comparator<Object>() { |
| @Override |
| public int compare(Object o1, Object o2) { |
| if(o1 instanceof IType && o2 instanceof IType) { |
| return ((IType)o1).getElementName().compareTo(((IType)o2).getElementName()); |
| } |
| return -1; |
| } |
| }; |
| return comp; |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#validateItem(java.lang.Object) |
| */ |
| @Override |
| protected IStatus validateItem(Object item) { |
| return Status.OK_STATUS; |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#createExtendedContentArea(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| protected Control createExtendedContentArea(Composite parent) { |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#createFilter() |
| */ |
| @Override |
| protected ItemsFilter createFilter() { |
| return new DebugTypeItemsFilter(); |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#fillContentProvider(org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.AbstractContentProvider, org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.ItemsFilter, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| protected void fillContentProvider(AbstractContentProvider contentProvider, ItemsFilter itemsFilter, IProgressMonitor progressMonitor) throws CoreException { |
| if(fTypes != null && fTypes.length > 0) { |
| for(int i = 0; i < fTypes.length; i++) { |
| if(itemsFilter.isConsistentItem(fTypes[i])) { |
| contentProvider.add(fTypes[i], itemsFilter); |
| } |
| } |
| } |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#getElementName(java.lang.Object) |
| */ |
| @Override |
| public String getElementName(Object item) { |
| if(item instanceof IType) { |
| return ((IType)item).getElementName(); |
| } |
| return null; |
| } |
| } |