| /******************************************************************************* |
| * Copyright (c) 2002, 2005 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 - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tools; |
| |
| import java.util.Iterator; |
| import org.eclipse.core.runtime.PerformanceStats; |
| import org.eclipse.jface.viewers.*; |
| |
| /** |
| * This class provides a decorator for ISelectionProviders that use |
| * TableViewer as their viewer and PluginStats as the basis for their data |
| * model. The only affected method is <code>getSelection()</code>, which will |
| * return a string that closely resembles the table view of this object. |
| * |
| */ |
| public class TableSelectionProviderDecorator implements ISelectionProvider { |
| |
| /** The decorated selection provider. */ |
| private ISelectionProvider selectionProvider; |
| |
| /** |
| * Constructs a <code>TableSelectionProviderDecorator</code> having |
| * the given selection provider as its decorated object. |
| * |
| * @param selectionProvider the selection provider to be decorated |
| */ |
| public TableSelectionProviderDecorator(ISelectionProvider selectionProvider) { |
| this.selectionProvider = selectionProvider; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ISelectionProvider#addSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener) |
| */ |
| @Override |
| public void addSelectionChangedListener(ISelectionChangedListener listener) { |
| selectionProvider.addSelectionChangedListener(listener); |
| } |
| |
| /** |
| * Returns the current selection for this provider. If the selection is a |
| * structured selection made of <code>PluginStats</code> elements, this method |
| * will return a structured selection of strings that resemble the table view |
| * of this data. |
| * |
| * @return the current selection, printed in table view format |
| * @see org.eclipse.jface.viewers.ISelectionProvider#getSelection() |
| */ |
| @Override |
| public ISelection getSelection() { |
| // gets the original selection object |
| ISelection selection = selectionProvider.getSelection(); |
| |
| // in these cases the original selection will be returned |
| if (selection == null || selection.isEmpty() || !(selection instanceof IStructuredSelection)) |
| return selection; |
| |
| // constructs a list with the selected elements |
| IStructuredSelection structuredSelection = (IStructuredSelection) selection; |
| |
| StringBuffer copyText = new StringBuffer(); |
| copyText.append(headerPluginStats()); |
| copyText.append('\n'); |
| for (Iterator selectionIter = structuredSelection.iterator(); selectionIter.hasNext();) { |
| Object obj = selectionIter.next(); |
| if (obj instanceof PerformanceStats) { |
| copyText.append(prettyPluginStats((PerformanceStats) obj)); |
| copyText.append('\n'); |
| } |
| } |
| return new StructuredSelection(copyText); |
| |
| } |
| |
| private String headerPluginStats() { |
| String retString = ""; //$NON-NLS-1$ |
| retString += Messages.stats_eventHeader + "\t"; //$NON-NLS-1$ |
| retString += Messages.stats_blameHeader + "\t"; //$NON-NLS-1$ |
| retString += Messages.stats_contextHeader + "\t"; //$NON-NLS-1$ |
| retString += Messages.stats_countHeader + "\t"; //$NON-NLS-1$ |
| retString += Messages.stats_timeHeader + "\t"; //$NON-NLS-1$ |
| return retString; |
| } |
| |
| private String prettyPluginStats(PerformanceStats stats) { |
| String retString = ""; //$NON-NLS-1$ |
| retString += stats.getEvent() + "\t\t"; //$NON-NLS-1$ |
| retString += stats.getBlameString() + "\t\t"; //$NON-NLS-1$ |
| retString += stats.getContext() + "\t\t"; //$NON-NLS-1$ |
| retString += stats.getRunCount() + "\t"; //$NON-NLS-1$ |
| retString += stats.getRunningTime() + "\t"; //$NON-NLS-1$ |
| return retString; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ISelectionProvider#removeSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener) |
| */ |
| @Override |
| public void removeSelectionChangedListener(ISelectionChangedListener listener) { |
| selectionProvider.removeSelectionChangedListener(listener); |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ISelectionProvider#setSelection(org.eclipse.jface.viewers.ISelection) |
| */ |
| @Override |
| public void setSelection(ISelection selection) { |
| selectionProvider.setSelection(selection); |
| } |
| |
| } |