| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| * Leah Findlater - improvements |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.monitor.core.collection; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.mylyn.monitor.core.InteractionEvent; |
| |
| /** |
| * @author Mik Kersten |
| * @author Leah Findlater |
| */ |
| public class ViewUsageCollector implements IUsageCollector { |
| |
| protected Map<Integer, Integer> usersNumSelections = new HashMap<Integer, Integer>(); |
| |
| protected Map<Integer, Map<String, Integer>> usersNormalViewSelections = new HashMap<Integer, Map<String, Integer>>(); |
| |
| protected int maxViewsToReport = -1; |
| |
| public void consumeEvent(InteractionEvent event, int userId) { |
| if (!usersNumSelections.containsKey(userId)) { |
| usersNumSelections.put(userId, 0); |
| } |
| |
| Map<String, Integer> normalViewSelections = usersNormalViewSelections.get(userId); |
| if (normalViewSelections == null) { |
| normalViewSelections = new HashMap<String, Integer>(); |
| usersNormalViewSelections.put(userId, normalViewSelections); |
| } |
| |
| if (event.getKind().equals(InteractionEvent.Kind.SELECTION)) { |
| if (!usersNumSelections.containsKey(userId)) { |
| usersNumSelections.put(userId, 0); |
| } |
| int numEvents = usersNumSelections.get(userId) + 1; |
| usersNumSelections.put(userId, numEvents); |
| |
| String viewId = event.getOriginId(); |
| if (!normalViewSelections.containsKey(viewId)) { |
| normalViewSelections.put(viewId, 0); |
| } |
| int normal = normalViewSelections.get(viewId) + 1; |
| normalViewSelections.put(viewId, normal); |
| } |
| } |
| |
| public List<String> getSummary(int userId, boolean html) { |
| Map<String, Integer> normalViewSelections = usersNormalViewSelections.get(userId); |
| |
| float numSelections = usersNumSelections.get(userId); |
| |
| List<String> summaries = new ArrayList<String>(); |
| List<String> viewUsage = new ArrayList<String>(); |
| for (String view : normalViewSelections.keySet()) { |
| float viewUse = ((float) (normalViewSelections.get(view))) / numSelections; |
| String formattedViewUse = formatAsPercentage(viewUse); |
| String ending = ""; //$NON-NLS-1$ |
| if (html) { |
| ending = "<br>"; //$NON-NLS-1$ |
| } |
| viewUsage.add(formattedViewUse + ": " + view + " (" + normalViewSelections.get(view) + ")" + ending); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| Collections.sort(viewUsage, new PercentUsageComparator()); |
| int numViewsToReport = 0; |
| for (String viewUsageSummary : viewUsage) { |
| if (maxViewsToReport == -1 || numViewsToReport < maxViewsToReport || viewUsageSummary.contains("mylar")) { //$NON-NLS-1$ |
| summaries.add(viewUsageSummary); |
| numViewsToReport++; |
| } |
| } |
| return summaries; |
| } |
| |
| private String formatAsPercentage(float viewUse) { |
| String formattedViewUse = ("" + viewUse * 100); //$NON-NLS-1$ |
| |
| // sometimes the floats are so small that formattedViewUsage ends up |
| // being |
| // something like 7.68334E-4, which would get formatted to 7.68% without |
| // this check |
| if (formattedViewUse.contains("E")) { //$NON-NLS-1$ |
| return "0.00%"; //$NON-NLS-1$ |
| } |
| |
| int indexOf2ndDecimal = formattedViewUse.indexOf('.') + 3; |
| if (indexOf2ndDecimal <= formattedViewUse.length()) { |
| formattedViewUse = formattedViewUse.substring(0, indexOf2ndDecimal); |
| } |
| return formattedViewUse + "%"; //$NON-NLS-1$ |
| } |
| |
| public List<String> getReport() { |
| List<String> summaries = new ArrayList<String>(); |
| for (int userId : usersNormalViewSelections.keySet()) { |
| summaries.addAll(getSummary(userId, true)); |
| } |
| return summaries; |
| } |
| |
| public String getReportTitle() { |
| return Messages.ViewUsageCollector_View_Usage; |
| } |
| |
| public void exportAsCSVFile(String directory) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| /** |
| * For testing. |
| */ |
| public Map<String, Integer> getNormalViewSelections() { |
| Map<String, Integer> normalViewSelections = new HashMap<String, Integer>(); |
| for (int userId : usersNormalViewSelections.keySet()) { |
| normalViewSelections.putAll(usersNormalViewSelections.get(userId)); |
| } |
| return normalViewSelections; |
| } |
| |
| public void setMaxViewsToReport(int maxViewsToReport) { |
| this.maxViewsToReport = maxViewsToReport; |
| } |
| |
| public Map<Integer, Map<String, Integer>> getUsersNormalViewSelections() { |
| return usersNormalViewSelections; |
| } |
| |
| public List<String> getPlainTextReport() { |
| List<String> summaries = new ArrayList<String>(); |
| for (int userId : usersNormalViewSelections.keySet()) { |
| summaries.addAll(getSummary(userId, false)); |
| } |
| return summaries; |
| } |
| } |