| /******************************************************************************* |
| * Copyright (c) 2003, 2018 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Pawel Piech - Bug 173306: When editing source lookup, new source |
| * containers should be added at the top of the list |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 490755 |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.sourcelookup; |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.sourcelookup.ISourceContainer; |
| import org.eclipse.debug.core.sourcelookup.ISourceLookupDirector; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * The viewer containing the source containers in the |
| * SourceContainerLookupTab and the EditSourceLookupPathDialog. |
| * It is a tree viewer since the containers are represented in tree form. |
| * |
| * @since 3.0 |
| */ |
| public class SourceContainerViewer extends TreeViewer { |
| |
| /** |
| * Whether enabled/editable. |
| */ |
| private boolean fEnabled = true; |
| /** |
| * The parent panel |
| */ |
| private SourceLookupPanel fPanel; |
| /** |
| * The source container entries displayed in this viewer |
| */ |
| protected List<ISourceContainer> fEntries = new ArrayList<>(); |
| |
| class ContentProvider implements ITreeContentProvider { |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return getEntries(); |
| } |
| |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| try { |
| return ((ISourceContainer)parentElement).getSourceContainers(); |
| } catch (CoreException e) { |
| return new Object[0]; |
| } |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| return ((ISourceContainer)element).isComposite(); |
| } |
| |
| } |
| |
| /** |
| * Creates a runtime classpath viewer with the given parent. |
| * |
| * @param parent the parent control |
| * @param panel the panel hosting this viewer |
| */ |
| public SourceContainerViewer(Composite parent, SourceLookupPanel panel) { |
| super(parent); |
| setContentProvider(new ContentProvider()); |
| SourceContainerLabelProvider lp = new SourceContainerLabelProvider(); |
| setLabelProvider(lp); |
| fPanel = panel; |
| } |
| |
| /** |
| * Sets the entries in this viewer |
| * |
| * @param entries source container entries |
| */ |
| public void setEntries(ISourceContainer[] entries) { |
| fEntries.clear(); |
| for (int i = 0; i < entries.length; i++) { |
| if(entries[i] != null) { |
| fEntries.add(entries[i]); |
| } |
| } |
| if (getInput() == null) { |
| setInput(fEntries); |
| //select first item in list |
| if(!fEntries.isEmpty() && fEntries.get(0)!=null) { |
| setSelection(new StructuredSelection(fEntries.get(0))); |
| } |
| } else { |
| refresh(); |
| } |
| fPanel.setDirty(true); |
| fPanel.updateLaunchConfigurationDialog(); |
| } |
| |
| /** |
| * Returns the entries in this viewer |
| * |
| * @return the entries in this viewer |
| */ |
| public ISourceContainer[] getEntries() { |
| return fEntries.toArray(new ISourceContainer[fEntries.size()]); |
| } |
| |
| /** |
| * Adds the given entries to the list. If there is no selection |
| * in the list, the entries are added at the end of the list, |
| * otherwise the new entries are added before the (first) selected |
| * entry. The new entries are selected. |
| * |
| * @param entries additions |
| */ |
| public void addEntries(ISourceContainer[] entries) { |
| int index = 0; |
| IStructuredSelection sel = getStructuredSelection(); |
| if (!sel.isEmpty()) { |
| index = fEntries.indexOf(sel.getFirstElement()); |
| } |
| for (int i = 0; i < entries.length; i++) { |
| if (!fEntries.contains(entries[i])) { |
| fEntries.add(index, entries[i]); |
| index++; |
| } |
| } |
| |
| refresh(); |
| if(entries.length > 0) { |
| setSelection(new StructuredSelection(entries)); |
| } |
| fPanel.setDirty(true); |
| fPanel.updateLaunchConfigurationDialog(); |
| } |
| |
| /** |
| * 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 upate actions |
| setSelection(getSelection()); |
| } |
| |
| /** |
| * Returns whether this viewer is enabled |
| */ |
| public boolean isEnabled() { |
| return fEnabled; |
| } |
| |
| /** |
| * Returns the index of an equivalent entry, or -1 if none. |
| * |
| * @return the index of an equivalent entry, or -1 if none |
| */ |
| public int indexOf(ISourceContainer entry) { |
| return fEntries.indexOf(entry); |
| } |
| |
| /** |
| * Returns the source locator associated with the parent panel. |
| * |
| * @return the source locator |
| */ |
| public ISourceLookupDirector getSourceLocator() |
| { |
| return fPanel.fLocator; |
| } |
| |
| } |