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Code Issues Packages Projects Releases Wiki Activity

improve performance and clarity of next and previous scroll actions

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This commit is contained in:
jmillman 2016-06-07 17:24:15 -04:00
parent c3bd285bc2
commit 025d9d156b
2 changed files with 45 additions and 36 deletions
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79
Core/src/org/sleuthkit/autopsy/timeline/ui/listvew/ListTimeline.java
View File

@ -19,7 +19,6 @@
package org.sleuthkit.autopsy.timeline.ui.listvew;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
@ -43,8 +42,8 @@ import java.util.stream.Collectors;
import javafx.application.Platform;
import javafx.beans.Observable;
import javafx.beans.binding.Bindings;
import javafx.beans.binding.IntegerBinding;
import javafx.beans.binding.StringBinding;
import javafx.beans.property.ReadOnlyIntegerProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
@ -74,7 +73,6 @@ import javafx.scene.layout.VBox;
import javafx.util.Callback;
import javax.swing.Action;
import javax.swing.JMenuItem;
import static org.apache.commons.lang3.ObjectUtils.defaultIfNull;
import org.apache.commons.lang3.StringUtils;
import org.controlsfx.control.Notifications;
import org.controlsfx.control.action.ActionUtils;
@ -124,10 +122,6 @@ class ListTimeline extends BorderPane {
ChronoField.MINUTE_OF_HOUR,
ChronoField.SECOND_OF_MINUTE);
private static ZonedDateTime getZonedDateTimeFromEvent(CombinedEvent combinedEvent, ZoneId timeZoneID) {
return Instant.ofEpochMilli(combinedEvent.getStartMillis()).atZone(timeZoneID);
}
@FXML
private HBox navControls;
@ -320,11 +314,9 @@ class ListTimeline extends BorderPane {
private void scrollToAndFocus(Integer index) {
table.requestFocus();
if (visibleEvents.contains(table.getItems().get(index)) == false) {
table.scrollTo(index);
}
table.getFocusModel().focus(index);
}
@ -684,78 +676,95 @@ class ListTimeline extends BorderPane {
private class ScrollToLast extends org.controlsfx.control.action.Action {
public ScrollToLast() {
ScrollToLast() {
super("", actionEvent -> scrollToAndFocus(table.getItems().size() - 1));
setGraphic(new ImageView(LAST));
ReadOnlyIntegerProperty focusedIndexProperty = table.getFocusModel().focusedIndexProperty();
disabledProperty().bind(focusedIndexProperty.isEqualTo(-1)
.or(focusedIndexProperty.greaterThanOrEqualTo(Bindings.size(table.getItems()).subtract(1))));
IntegerBinding size = Bindings.size(table.getItems());
disabledProperty().bind(size.isEqualTo(0).or(
table.getFocusModel().focusedIndexProperty().greaterThanOrEqualTo(size.subtract(1))));
}
}
private class ScrollToNext extends org.controlsfx.control.action.Action {
public ScrollToNext() {
ScrollToNext() {
super("", actionEvent -> {
ChronoField selectedChronoField = scrollInrementComboBox.getSelectionModel().getSelectedItem();
ZoneId timeZoneID = TimeLineController.getTimeZoneID();
TemporalUnit selectedUnit = selectedChronoField.getBaseUnit();
int focusedIndex = table.getFocusModel().getFocusedIndex();
CombinedEvent focusedItem = table.getFocusModel().getFocusedItem();
if (-1 == focusedIndex || null == focusedItem) {
focusedItem = visibleEvents.first();
focusedIndex = table.getItems().indexOf(focusedItem);
}
ZonedDateTime nextDateTime = getZonedDateTimeFromEvent(defaultIfNull(focusedItem, visibleEvents.first()), timeZoneID).plus(1, selectedUnit);//
ZonedDateTime focusedDateTime = Instant.ofEpochMilli(focusedItem.getStartMillis()).atZone(timeZoneID);
ZonedDateTime nextDateTime = focusedDateTime.plus(1, selectedUnit);//
for (ChronoField field : SCROLL_BY_UNITS) {
if (field.getBaseUnit().getDuration().compareTo(selectedUnit.getDuration()) < 0) {
nextDateTime = nextDateTime.with(field, field.rangeRefinedBy(nextDateTime).getMinimum());//
}
}
long nextMillis = nextDateTime.toInstant().toEpochMilli();
final ZonedDateTime fzdt = nextDateTime;
scrollToAndFocus(table.getItems()//
.stream()
.filter(combinedEvent -> getZonedDateTimeFromEvent(combinedEvent, timeZoneID).isAfter(fzdt))//
.findFirst()
.map(table.getItems()::indexOf)
.orElse(table.getItems().size() - 1));
int nextIndex = table.getItems().size() - 1;
for (int i = focusedIndex; i < table.getItems().size(); i++) {
if (table.getItems().get(i).getStartMillis() >= nextMillis) {
nextIndex = i;
break;
}
}
scrollToAndFocus(nextIndex);
});
setGraphic(new ImageView(NEXT));
ReadOnlyIntegerProperty focusedIndexProperty = table.getFocusModel().focusedIndexProperty();
disabledProperty().bind(focusedIndexProperty.isEqualTo(-1)
.or(focusedIndexProperty.greaterThanOrEqualTo(Bindings.size(table.getItems()).subtract(1))));
IntegerBinding size = Bindings.size(table.getItems());
disabledProperty().bind(size.isEqualTo(0).or(
table.getFocusModel().focusedIndexProperty().greaterThanOrEqualTo(size.subtract(1))));
}
}
private class ScrollToPrevious extends org.controlsfx.control.action.Action {
public ScrollToPrevious() {
ScrollToPrevious() {
super("", actionEvent -> {
ZoneId timeZoneID = TimeLineController.getTimeZoneID();
ChronoField selectedChronoField = scrollInrementComboBox.getSelectionModel().getSelectedItem();
TemporalUnit selectedUnit = selectedChronoField.getBaseUnit();
int focusedIndex = table.getFocusModel().getFocusedIndex();
CombinedEvent focusedItem = table.getFocusModel().getFocusedItem();
if (-1 == focusedIndex || null == focusedItem) {
focusedItem = visibleEvents.last();
focusedIndex = table.getItems().indexOf(focusedItem);
}
ZonedDateTime previousDateTime = getZonedDateTimeFromEvent(defaultIfNull(focusedItem, visibleEvents.last()), timeZoneID).minus(1, selectedUnit);//
ZonedDateTime focusedDateTime = Instant.ofEpochMilli(focusedItem.getStartMillis()).atZone(timeZoneID);
ZonedDateTime previousDateTime = focusedDateTime.minus(1, selectedUnit);//
for (ChronoField field : SCROLL_BY_UNITS) {
if (field.getBaseUnit().getDuration().compareTo(selectedUnit.getDuration()) < 0) {
previousDateTime = previousDateTime.with(field, field.rangeRefinedBy(previousDateTime).getMaximum());//
}
}
long previousMillis = previousDateTime.toInstant().toEpochMilli();
final ZonedDateTime fzdt = previousDateTime;
int previousIndex = 0;
for (int i = focusedIndex; i > 0; i--) {
if (table.getItems().get(i).getStartMillis() <= previousMillis) {
previousIndex = i;
break;
}
}
scrollToAndFocus(Lists.reverse(table.getItems())//
.stream()
.filter(combinedEvent -> getZonedDateTimeFromEvent(combinedEvent, timeZoneID).isBefore(fzdt))//
.findFirst()
.map(table.getItems()::indexOf)
.orElse(0));
scrollToAndFocus(previousIndex);
});
setGraphic(new ImageView(PREVIOUS));
disabledProperty().bind(table.getFocusModel().focusedIndexProperty().lessThan(1));
}
}
}

2
Core/src/org/sleuthkit/autopsy/timeline/ui/listvew/ListViewPane.java
View File

@ -92,7 +92,7 @@ public class ListViewPane extends AbstractTimeLineView {
@NbBundle.Messages({
"ListViewPane.loggedTask.queryDb=Retreiving event data",
"ListViewPane.loggedTask.name=Updating Details View",
"ListViewPane.loggedTask.name=Updating List View",
"ListViewPane.loggedTask.updateUI=Populating view"})
ListUpdateTask() {
super(Bundle.ListViewPane_loggedTask_name(), true);