com.calendarfx.util.ViewHelper Maven / Gradle / Ivy
/*
* Copyright (C) 2017 Dirk Lemmermann Software & Consulting (dlsc.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.calendarfx.util;
import com.calendarfx.view.DateControl;
import com.calendarfx.view.DayView;
import com.calendarfx.view.DayViewBase;
import impl.com.calendarfx.view.DayViewScrollPane;
import javafx.collections.ObservableList;
import javafx.geometry.Bounds;
import javafx.geometry.Point2D;
import javafx.geometry.Rectangle2D;
import javafx.scene.Node;
import javafx.stage.Screen;
import org.controlsfx.control.PopOver.ArrowLocation;
import java.time.Instant;
import java.time.LocalTime;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;
@SuppressWarnings("javadoc")
public final class ViewHelper {
public static double getTimeLocation(DayViewBase view, LocalTime time) {
return getTimeLocation(view, ZonedDateTime.of(view.getDate(), time, view.getZoneId()));
}
public static double getTimeLocation(DayViewBase view, LocalTime time, boolean prefHeight) {
return getTimeLocation(view, ZonedDateTime.of(view.getDate(), time, view.getZoneId()), prefHeight);
}
public static double getTimeLocation(DayViewBase view, ZonedDateTime time) {
return getTimeLocation(view, time, false);
}
public static double getTimeLocation(DayViewBase view, Instant instant) {
return getTimeLocation(view, ZonedDateTime.ofInstant(instant, view.getZoneId()), false);
}
public static double getTimeLocation(DayViewBase view, ZonedDateTime zonedTime, boolean prefHeight) {
if (view.isScrollingEnabled()) {
final Instant scrollInstant = view.getScrollTime().toInstant();
final double mpp = DayView.MILLIS_PER_HOUR / view.getHourHeight();
final long millis = zonedTime.toInstant().toEpochMilli() - scrollInstant.toEpochMilli();
return millis / mpp;
}
double availableHeight = view.getHeight();
if (prefHeight) {
availableHeight = view.prefHeight(-1);
}
long epochMilli = zonedTime.toInstant().toEpochMilli();
switch (view.getEarlyLateHoursStrategy()) {
case SHOW:
ZonedDateTime startTime = view.getZonedDateTimeMin();
ZonedDateTime endTime = view.getZonedDateTimeMax();
long startMillis = startTime.toInstant().toEpochMilli();
long endMillis = endTime.toInstant().toEpochMilli();
double mpp = (endMillis - startMillis) / availableHeight;
return ((int) ((epochMilli - startMillis) / mpp)) + .5;
case HIDE:
startTime = view.getZonedDateTimeStart();
endTime = view.getZonedDateTimeEnd();
if (zonedTime.isBefore(startTime)) {
return -1;
}
if (zonedTime.isAfter(endTime)) {
return availableHeight;
}
startMillis = startTime.toInstant().toEpochMilli();
endMillis = endTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / availableHeight;
return ((int) ((epochMilli - startMillis) / mpp)) + .5;
case SHOW_COMPRESSED:
ZonedDateTime minTime = view.getZonedDateTimeMin();
ZonedDateTime maxTime = view.getZonedDateTimeMax();
startTime = view.getZonedDateTimeStart();
endTime = view.getZonedDateTimeEnd();
long earlyHours = ChronoUnit.HOURS.between(minTime, startTime);
long lateHours = ChronoUnit.HOURS.between(endTime, maxTime) + 1;
double hourHeightCompressed = view.getHourHeightCompressed();
double earlyHeight = hourHeightCompressed * earlyHours;
double lateHeight = hourHeightCompressed * lateHours;
if (zonedTime.isBefore(startTime)) {
/*
* Early compressed hours.
*/
startMillis = minTime.toInstant().toEpochMilli();
endMillis = startTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / earlyHeight;
return ((int) ((epochMilli - startMillis) / mpp)) + .5;
} else if (zonedTime.isAfter(endTime)) {
/*
* Late compressed hours.
*/
startMillis = endTime.toInstant().toEpochMilli();
endMillis = maxTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / lateHeight;
return ((int) ((epochMilli - startMillis) / mpp)) + (availableHeight - lateHeight) + .5;
} else {
/*
* Regular hours.
*/
startMillis = startTime.toInstant().toEpochMilli();
endMillis = endTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / (availableHeight - earlyHeight - lateHeight);
return earlyHeight + ((int) ((epochMilli - startMillis) / mpp)) + .5;
}
default:
return 0;
}
}
public static Instant getInstantAt(DayViewBase view, double y) {
ZonedDateTime zonedDateTime = view.getZonedDateTimeStart();
double availableHeight = view.getHeight();
switch (view.getEarlyLateHoursStrategy()) {
case SHOW:
long startMillis = view.getZonedDateTimeMin().toInstant().toEpochMilli();
long endMillis = view.getZonedDateTimeMax().toInstant().toEpochMilli();
double mpp = (endMillis - startMillis) / availableHeight;
long millis = (long) (mpp * y) + startMillis;
return Instant.ofEpochMilli(millis);
case HIDE:
ZonedDateTime startTime = view.getZonedDateTimeStart();
ZonedDateTime endTime = view.getZonedDateTimeEnd();
startMillis = startTime.toInstant().toEpochMilli();
endMillis = endTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / availableHeight;
millis = (long) (mpp * y) + startMillis;
return Instant.ofEpochMilli(millis);
case SHOW_COMPRESSED:
startTime = view.getZonedDateTimeStart();
endTime = view.getZonedDateTimeEnd();
ZonedDateTime minTime = view.getZonedDateTimeMin();
ZonedDateTime maxTime = view.getZonedDateTimeMax();
long earlyHours = ChronoUnit.HOURS.between(minTime, startTime);
long lateHours = ChronoUnit.HOURS.between(endTime, maxTime) + 1;
double hourHeightCompressed = view.getHourHeightCompressed();
double earlyHeight = hourHeightCompressed * earlyHours;
double lateHeight = hourHeightCompressed * lateHours;
if (y < earlyHeight) {
/*
* Early compressed hours.
*/
startMillis = minTime.toInstant().toEpochMilli();
endMillis = startTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / earlyHeight;
millis = (long) (mpp * y) + startMillis;
return Instant.ofEpochMilli(millis);
} else if (y > availableHeight - lateHeight) {
/*
* Late compressed hours.
*/
startMillis = endTime.toInstant().toEpochMilli();
endMillis = maxTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / lateHeight;
millis = (long) (mpp * (y - (availableHeight - lateHeight))) + startMillis;
return Instant.ofEpochMilli(millis);
} else {
/*
* Regular hours.
*/
startMillis = startTime.toInstant().toEpochMilli();
endMillis = endTime.toInstant().toEpochMilli();
mpp = (endMillis - startMillis) / (availableHeight - earlyHeight - lateHeight);
millis = (long) (mpp * (y - earlyHeight)) + startMillis;
return Instant.ofEpochMilli(millis);
}
default:
return zonedDateTime.toInstant();
}
}
public static ArrowLocation findPopOverArrowLocation(Node view) {
Bounds localBounds = view.getBoundsInLocal();
Bounds entryBounds = view.localToScreen(localBounds);
ObservableList screens = Screen.getScreensForRectangle(
entryBounds.getMinX(), entryBounds.getMinY(),
entryBounds.getWidth(), entryBounds.getHeight());
if (screens.isEmpty()) {
return null;
}
Rectangle2D screenBounds = screens.get(0).getVisualBounds();
double spaceLeft = entryBounds.getMinX();
double spaceRight = screenBounds.getWidth() - entryBounds.getMaxX();
double spaceTop = entryBounds.getMinY();
double spaceBottom = screenBounds.getHeight() - entryBounds.getMaxY();
if (spaceLeft > spaceRight) {
if (spaceTop > spaceBottom) {
return ArrowLocation.RIGHT_BOTTOM;
}
return ArrowLocation.RIGHT_TOP;
}
if (spaceTop > spaceBottom) {
return ArrowLocation.LEFT_BOTTOM;
}
return ArrowLocation.LEFT_TOP;
}
public static Point2D findPopOverArrowPosition(Node node, double screenY, double arrowSize, ArrowLocation arrowLocation) {
Bounds entryBounds = node.localToScreen(node.getBoundsInLocal());
double screenX;
if (arrowLocation == ArrowLocation.LEFT_TOP || arrowLocation == ArrowLocation.LEFT_BOTTOM) {
screenX = entryBounds.getMaxX();
} else {
screenX = entryBounds.getMinX() - arrowSize;
}
return new Point2D(screenX, screenY);
}
public static void scrollToRequestedTime(DateControl control, DayViewScrollPane scrollPane) {
LocalTime requestedTime = control.getRequestedTime();
if (requestedTime != null) {
scrollPane.scrollToTime(requestedTime);
}
}
}
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