| /******************************************************************************* |
| * Copyright (c) 2006, 2013 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.debug.internal.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.IDebugHelpContextIds; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.ListSelectionDialog; |
| import org.eclipse.ui.texteditor.IUpdate; |
| |
| /** |
| * Configures visible columns in an asynch tree viewer/ |
| * |
| * @since 3.2 |
| */ |
| public class ConfigureColumnsAction extends Action implements IUpdate { |
| |
| private TreeModelViewer fViewer; |
| |
| class ColumnContentProvider implements IStructuredContentProvider { |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return ((IColumnPresentation)inputElement).getAvailableColumns(); |
| } |
| |
| @Override |
| public void dispose() { |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| } |
| |
| class ColumnLabelProvider extends LabelProvider { |
| |
| private Map<ImageDescriptor, Image> fImages = new HashMap<>(); |
| |
| @Override |
| public Image getImage(Object element) { |
| ImageDescriptor imageDescriptor = fViewer.getColumnPresentation().getImageDescriptor((String)element); |
| if (imageDescriptor != null) { |
| Image image = fImages.get(imageDescriptor); |
| if (image == null) { |
| image = imageDescriptor.createImage(); |
| fImages.put(imageDescriptor, image); |
| } |
| return image; |
| } |
| return null; |
| } |
| |
| @Override |
| public String getText(Object element) { |
| return fViewer.getColumnPresentation().getHeader((String)element); |
| } |
| |
| @Override |
| public void dispose() { |
| super.dispose(); |
| for (Image image : fImages.values()) { |
| image.dispose(); |
| } |
| fImages.clear(); |
| } |
| |
| |
| |
| } |
| |
| public ConfigureColumnsAction(TreeModelViewer viewer) { |
| setText(ActionMessages.ConfigureColumnsAction_0); |
| setId(DebugUIPlugin.getUniqueIdentifier() + ".ConfigureColumnsAction"); //$NON-NLS-1$ |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.CONFIGURE_COLUMNS_ACTION); |
| fViewer = viewer; |
| } |
| |
| @Override |
| public void update() { |
| setEnabled(fViewer.isShowColumns()); |
| } |
| |
| @Override |
| public void run() { |
| ListSelectionDialog dialog = new ListSelectionDialog( |
| fViewer.getControl().getShell(), |
| fViewer.getColumnPresentation(), |
| new ColumnContentProvider(), |
| new ColumnLabelProvider(), |
| ActionMessages.ConfigureColumnsAction_1); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.CONFIGURE_COLUMNS_DIALOG); |
| String[] visibleColumns = fViewer.getVisibleColumns(); |
| List<String> initialSelection = new ArrayList<>(visibleColumns.length); |
| Collections.addAll(initialSelection, visibleColumns); |
| dialog.setTitle(ActionMessages.ConfigureColumnsAction_2); |
| dialog.setInitialElementSelections(initialSelection); |
| if (dialog.open() == Window.OK) { |
| Object[] result = dialog.getResult(); |
| if (result.length == 0) { |
| fViewer.setShowColumns(false); |
| } else { |
| String[] ids = new String[result.length]; |
| System.arraycopy(result, 0, ids, 0, result.length); |
| fViewer.resetColumnSizes(ids); |
| fViewer.setVisibleColumns(ids); |
| } |
| } |
| |
| } |
| |
| } |