| /******************************************************************************* |
| * Copyright (c) 2000, 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.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.ListenerList; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.jdt.launching.IRuntimeClasspathEntry; |
| import org.eclipse.jface.viewers.IContentProvider; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.KeyAdapter; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * A viewer that displays and manipulates runtime classpath entries. |
| */ |
| public class RuntimeClasspathViewer extends TableViewer implements IClasspathViewer { |
| |
| /** |
| * Whether enabled/editable. |
| */ |
| private boolean fEnabled = true; |
| |
| /** |
| * Entry changed listeners |
| */ |
| private ListenerList<IEntriesChangedListener> fListeners = new ListenerList<>(); |
| |
| /** |
| * The runtime classpath entries displayed in this viewer |
| */ |
| protected List<IRuntimeClasspathEntry> fEntries = new ArrayList<>(); |
| |
| class ContentProvider implements IStructuredContentProvider { |
| |
| /** |
| * @see IStructuredContentProvider#getElements(Object) |
| */ |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return getEntries(); |
| } |
| |
| /** |
| * @see IContentProvider#dispose() |
| */ |
| @Override |
| public void dispose() { |
| } |
| |
| /** |
| * @see IContentProvider#inputChanged(Viewer, Object, Object) |
| */ |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| } |
| |
| /** |
| * Creates a runtime classpath viewer with the given parent. |
| * |
| * @param parent the parent control |
| */ |
| public RuntimeClasspathViewer(Composite parent) { |
| super(parent); |
| setContentProvider(new ContentProvider()); |
| RuntimeClasspathEntryLabelProvider lp = new RuntimeClasspathEntryLabelProvider(); |
| setLabelProvider(lp); |
| setInput(fEntries); |
| |
| getTable().addKeyListener(new KeyAdapter() { |
| @Override |
| public void keyPressed(KeyEvent event) { |
| if (isEnabled() && event.character == SWT.DEL && event.stateMask == 0) { |
| List<?> selection= getSelectionFromWidget(); |
| fEntries.removeAll(selection); |
| setInput(fEntries); |
| notifyChanged(); |
| } |
| } |
| }); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#setEntries(org.eclipse.jdt.launching.IRuntimeClasspathEntry[]) |
| */ |
| @Override |
| public void setEntries(IRuntimeClasspathEntry[] entries) { |
| fEntries.clear(); |
| for (int i = 0; i < entries.length; i++) { |
| fEntries.add(entries[i]); |
| } |
| setInput(fEntries); |
| notifyChanged(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#getEntries() |
| */ |
| @Override |
| public IRuntimeClasspathEntry[] getEntries() { |
| return fEntries.toArray(new IRuntimeClasspathEntry[fEntries.size()]); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#addEntries(org.eclipse.jdt.launching.IRuntimeClasspathEntry[]) |
| */ |
| @Override |
| public void addEntries(IRuntimeClasspathEntry[] entries) { |
| IStructuredSelection sel = (IStructuredSelection)getSelection(); |
| if (sel.isEmpty()) { |
| for (int i = 0; i < entries.length; i++) { |
| if (!fEntries.contains(entries[i])) { |
| fEntries.add(entries[i]); |
| } |
| } |
| } else { |
| int index = fEntries.indexOf(sel.getFirstElement()); |
| for (int i = 0; i < entries.length; i++) { |
| if (!fEntries.contains(entries[i])) { |
| fEntries.add(index, entries[i]); |
| index++; |
| } |
| } |
| } |
| setSelection(new StructuredSelection(entries)); |
| refresh(); |
| notifyChanged(); |
| } |
| |
| /** |
| * Enables/disables this viewer. Note the control is not disabled, since |
| * we still want the user to be able to scroll if required to see the |
| * existing entries. Just actions should be disabled. |
| */ |
| public void setEnabled(boolean enabled) { |
| fEnabled = enabled; |
| // fire selection change to update actions |
| setSelection(getSelection()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#isEnabled() |
| */ |
| @Override |
| public boolean isEnabled() { |
| return fEnabled; |
| } |
| |
| /** |
| * Sets the launch configuration context for this viewer, if any |
| */ |
| public void setLaunchConfiguration(ILaunchConfiguration configuration) { |
| if (getLabelProvider() != null) { |
| ((RuntimeClasspathEntryLabelProvider)getLabelProvider()).setLaunchConfiguration(configuration); |
| } |
| } |
| |
| public void addEntriesChangedListener(IEntriesChangedListener listener) { |
| fListeners.add(listener); |
| } |
| |
| public void removeEntriesChangedListener(IEntriesChangedListener listener) { |
| fListeners.remove(listener); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#notifyChanged() |
| */ |
| @Override |
| public void notifyChanged() { |
| for (IEntriesChangedListener listener : fListeners) { |
| listener.entriesChanged(this); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#indexOf(org.eclipse.jdt.launching.IRuntimeClasspathEntry) |
| */ |
| @Override |
| public int indexOf(IRuntimeClasspathEntry entry) { |
| return fEntries.indexOf(entry); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#getShell() |
| */ |
| @Override |
| public Shell getShell() { |
| return getControl().getShell(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer#updateSelection(int, org.eclipse.jface.viewers.IStructuredSelection) |
| */ |
| @Override |
| public boolean updateSelection(int actionType, IStructuredSelection selection) { |
| return isEnabled(); |
| } |
| } |