Autopsy  3.1
Graphical digital forensics platform for The Sleuth Kit and other tools.
EventCountsChart.java
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1 /*
2  * Autopsy Forensic Browser
3  *
4  * Copyright 2014 Basis Technology Corp.
5  * Contact: carrier <at> sleuthkit <dot> org
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 package org.sleuthkit.autopsy.timeline.ui.countsview;
20 
21 import java.util.Arrays;
22 import java.util.Collections;
23 import javafx.scene.chart.Axis;
24 import javafx.scene.chart.CategoryAxis;
25 import javafx.scene.chart.NumberAxis;
26 import javafx.scene.chart.StackedBarChart;
27 import javafx.scene.control.ContextMenu;
28 import javafx.scene.input.MouseButton;
29 import javafx.scene.input.MouseEvent;
30 import javafx.util.StringConverter;
31 import org.controlsfx.control.action.ActionGroup;
32 import org.controlsfx.control.action.ActionUtils;
33 import org.joda.time.DateTime;
34 import org.joda.time.Interval;
35 import org.openide.util.NbBundle;
42 
45 class EventCountsChart extends StackedBarChart<String, Number> implements TimeLineChart<String> {
46 
47  private ContextMenu contextMenu;
48 
49  private TimeLineController controller;
50 
51  private IntervalSelector<? extends String> intervalSelector;
52 
57  private RangeDivisionInfo rangeInfo;
58 
59  EventCountsChart(CategoryAxis dateAxis, NumberAxis countAxis) {
60  super(dateAxis, countAxis);
61  //configure constant properties on axes and chart
62  dateAxis.setAnimated(true);
63  dateAxis.setLabel(null);
64  dateAxis.setTickLabelsVisible(false);
65  dateAxis.setTickLabelGap(0);
66 
67  countAxis.setLabel(NbBundle.getMessage(CountsViewPane.class, "CountsChartPane.numberOfEvents"));
68  countAxis.setAutoRanging(false);
69  countAxis.setLowerBound(0);
70  countAxis.setAnimated(true);
71  countAxis.setMinorTickCount(0);
72  countAxis.setTickLabelFormatter(new IntegerOnlyStringConverter());
73 
74  setAlternativeRowFillVisible(true);
75  setCategoryGap(2);
76  setLegendVisible(false);
77  setAnimated(true);
78  setTitle(null);
79 
80  //use one handler with an if chain because it maintains state
81  ChartDragHandler<String, EventCountsChart> dragHandler = new ChartDragHandler<>(this, getXAxis());
82  setOnMousePressed(dragHandler);
83  setOnMouseReleased(dragHandler);
84  setOnMouseDragged(dragHandler);
85 
86  setOnMouseClicked((MouseEvent clickEvent) -> {
87  contextMenu.hide();
88  if (clickEvent.getButton() == MouseButton.SECONDARY && clickEvent.isStillSincePress()) {
89  contextMenu.show(EventCountsChart.this, clickEvent.getScreenX(), clickEvent.getScreenY());
90  clickEvent.consume();
91  }
92  });
93  }
94 
95  @Override
96  public void clearIntervalSelector() {
97  getChartChildren().remove(intervalSelector);
98  intervalSelector = null;
99  }
100 
101  @Override
102  public final synchronized void setController(TimeLineController controller) {
103  this.controller = controller;
104  setModel(this.controller.getEventsModel());
105  //we have defered creating context menu until control is available
106  contextMenu = ActionUtils.createContextMenu(
107  Arrays.asList(new ActionGroup(
108  NbBundle.getMessage(this.getClass(), "EventCountsChart.contextMenu.zoomHistory.name"),
109  new Back(controller),
110  new Forward(controller))));
111  contextMenu.setAutoHide(true);
112  }
113 
114  @Override
115  public IntervalSelector<? extends String> getIntervalSelector() {
116  return intervalSelector;
117  }
118 
119  @Override
120  public void setIntervalSelector(IntervalSelector<? extends String> newIntervalSelector) {
121  intervalSelector = newIntervalSelector;
122  getChartChildren().add(getIntervalSelector());
123  }
124 
125  @Override
126  public void setModel(FilteredEventsModel filteredEvents) {
127  filteredEvents.getRequestedZoomParamters().addListener(o -> {
128  clearIntervalSelector();
129  controller.selectEventIDs(Collections.emptyList());
130  });
131  }
132 
133  @Override
134  public CountsIntervalSelector newIntervalSelector(double x, Axis<String> dateAxis) {
135  return new CountsIntervalSelector(x, getHeight() - dateAxis.getHeight() - dateAxis.getTickLength(), dateAxis, controller);
136  }
137 
142  ContextMenu getContextMenu() {
143  return contextMenu;
144  }
145 
146  void setRangeInfo(RangeDivisionInfo rangeInfo) {
147  this.rangeInfo = rangeInfo;
148  }
149 
153  private static class IntegerOnlyStringConverter extends StringConverter<Number> {
154 
155  @Override
156  public String toString(Number n) {
157  //suppress non-integer values
158  return n.intValue() == n.doubleValue()
159  ? Integer.toString(n.intValue()) : "";
160  }
161 
162  @Override
163  public Number fromString(String string) {
164  //this is unused but here for symmetry
165  return Double.valueOf(string).intValue();
166  }
167  }
168 
171  private class CountsIntervalSelector extends IntervalSelector<String> {
172 
173  public CountsIntervalSelector(double x, double height, Axis<String> axis, TimeLineController controller) {
174  super(x, height, axis, controller);
175  }
176 
177  @Override
178  protected String formatSpan(String date) {
179  return date;
180  }
181 
182  @Override
183  protected Interval adjustInterval(Interval i) {
184  //extend range to block bounderies (ie day, month, year)
186  final long lowerBound = iInfo.getLowerBound();
187  final long upperBound = iInfo.getUpperBound();
188  final DateTime lowerDate = new DateTime(lowerBound, TimeLineController.getJodaTimeZone());
189  final DateTime upperDate = new DateTime(upperBound, TimeLineController.getJodaTimeZone());
190  //add extra block to end that gets cut of by conversion from string/category.
191  return new Interval(lowerDate, upperDate.plus(rangeInfo.getPeriodSize().getPeriod()));
192  }
193 
194  @Override
195  protected DateTime parseDateTime(String date) {
196  return date == null ? new DateTime(rangeInfo.getLowerBound()) : rangeInfo.getTickFormatter().parseDateTime(date);
197  }
198  }
199 }
CountsIntervalSelector(double x, double height, Axis< String > axis, TimeLineController controller)
static RangeDivisionInfo getRangeDivisionInfo(Interval timeRange)
void setModel(final FilteredEventsModel filteredEvents)
void setIntervalSelector(IntervalSelector<?extends X > newIntervalSelector)

Copyright © 2012-2015 Basis Technology. Generated on: Mon Oct 19 2015
This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License.