| /******************************************************************************* |
| * Copyright (c) 2009, 2018 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 |
| * Red Hat Inc. - Bug 460967 |
| ******************************************************************************/ |
| |
| package org.eclipse.equinox.internal.p2.ui.dialogs; |
| |
| import org.eclipse.core.expressions.*; |
| import org.eclipse.equinox.internal.p2.ui.model.ProvElement; |
| import org.eclipse.equinox.internal.p2.ui.viewers.IUDetailsLabelProvider; |
| import org.eclipse.equinox.p2.ui.ICopyable; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.ui.ISources; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.handlers.IHandlerActivation; |
| import org.eclipse.ui.handlers.IHandlerService; |
| import org.eclipse.ui.swt.IFocusService; |
| |
| public class CopyUtils { |
| public static final String NEWLINE = System.lineSeparator(); |
| public static final String DELIMITER = "\t"; //$NON-NLS-1$ |
| private static final String NESTING_INDENT = " "; //$NON-NLS-1$ |
| |
| // We never test the control ID so we can use the same ID for all controls |
| private static final String CONTROL_ID = "org.eclipse.equinox.p2.ui.CopyControlId"; //$NON-NLS-1$ |
| |
| public static String getIndentedClipboardText(Object[] elements, IUDetailsLabelProvider labelProvider) { |
| StringBuilder buffer = new StringBuilder(); |
| for (int i = 0; i < elements.length; i++) { |
| if (i > 0) |
| buffer.append(NEWLINE); |
| appendIndention(buffer, elements[i]); |
| buffer.append(labelProvider.getClipboardText(elements[i], DELIMITER)); |
| } |
| return buffer.toString(); |
| } |
| |
| /** |
| * Install a copy popup menu on the specified control and activate the copy |
| * handler for the control when the control has focus. The handler will be |
| * deactivated when the control is disposed. |
| * |
| * @param copyable the copyable that will perform the copy |
| * @param control the control on which to install the menu and handler |
| */ |
| public static void activateCopy(ICopyable copyable, final Control control) { |
| IFocusService fs = PlatformUI.getWorkbench().getService(IFocusService.class); |
| final IHandlerService hs = PlatformUI.getWorkbench().getService(IHandlerService.class); |
| new CopyPopup(copyable, control); |
| if (fs != null && hs != null) { |
| fs.addFocusTracker(control, CONTROL_ID); |
| final IHandlerActivation handlerActivation = hs.activateHandler(CopyHandler.ID, new CopyHandler(copyable), |
| new Expression() { |
| @Override |
| public EvaluationResult evaluate(IEvaluationContext context) { |
| return context.getVariable(ISources.ACTIVE_FOCUS_CONTROL_NAME) == control |
| ? EvaluationResult.TRUE |
| : EvaluationResult.FALSE; |
| } |
| |
| @Override |
| public void collectExpressionInfo(final ExpressionInfo info) { |
| info.addVariableNameAccess(ISources.ACTIVE_FOCUS_CONTROL_NAME); |
| } |
| |
| }); |
| control.addDisposeListener(e -> hs.deactivateHandler(handlerActivation)); |
| } |
| } |
| |
| private static void appendIndention(StringBuilder buffer, Object element) { |
| Object parent; |
| while (element instanceof ProvElement && (parent = ((ProvElement) element).getParent(element)) != null) { |
| buffer.append(NESTING_INDENT); |
| element = parent; |
| } |
| |
| } |
| } |