com.jfoenix.controls.JFXDrawer Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.jfoenix.controls;
import com.jfoenix.controls.events.JFXDrawerEvent;
import com.jfoenix.transitions.JFXAnimationTimer;
import com.jfoenix.transitions.JFXKeyFrame;
import com.jfoenix.transitions.JFXKeyValue;
import javafx.animation.Interpolator;
import javafx.animation.PauseTransition;
import javafx.beans.binding.Bindings;
import javafx.beans.binding.DoubleBinding;
import javafx.beans.property.*;
import javafx.collections.ObservableList;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Cursor;
import javafx.scene.Node;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.*;
import javafx.scene.paint.Color;
import javafx.util.Callback;
import javafx.util.Duration;
import java.util.ArrayList;
/**
* JFXDrawer is material design implementation of drawer.
* the drawer has two main nodes, the content and side pane.
*
* - content pane: is a stack pane that holds the nodes inside the drawer
* - side pane: is a stack pane that holds the nodes inside the drawer side area (Drawable node)
*
*
* @author Shadi Shaheen
* @version 1.0
* @since 2016-03-09
*/
public class JFXDrawer extends StackPane {
// TODO: convert to Control instead of Pane
/**
* Defines the directions that a {@link JFXDrawer} can originate from.
*/
public enum DrawerDirection {
LEFT(1), RIGHT(-1), TOP(1), BOTTOM(-1);
private double numVal;
DrawerDirection(double numVal) {
this.numVal = numVal;
}
public double doubleValue() {
return numVal;
}
}
// nodes
private StackPane overlayPane = new StackPane();
StackPane sidePane = new StackPane();
private StackPane content = new StackPane();
private StackPane contentHolder = new StackPane();
private Region paddingPane = new Region();
// animation
private Duration holdTime = Duration.seconds(0.2);
private PauseTransition holdTimer = new PauseTransition(holdTime);
private double initOffset = 30;
private DoubleProperty initTranslate = new SimpleDoubleProperty();
private double activeOffset = 20;
private double startMouse = -1;
private double startTranslate = -1;
private double startSize = -1;
// used to trigger the drawer events
private boolean openCalled = false;
private boolean closeCalled = true;
// side pane size properties
private DoubleProperty translateProperty = sidePane.translateXProperty();
private DoubleProperty defaultSizeProperty = new SimpleDoubleProperty();
private DoubleProperty maxSizeProperty = sidePane.maxWidthProperty();
private DoubleProperty prefSizeProperty = sidePane.prefWidthProperty();
private ReadOnlyDoubleProperty sizeProperty = sidePane.widthProperty();
// this is used to allow resizing the content of the drawer
private DoubleProperty paddingSizeProperty = paddingPane.minWidthProperty();
/***************************************************************************
* *
* Animations *
* *
**************************************************************************/
// used to hold the new translation value during the animation
private double translateTo = 0;
// used (only if mini drawer) to hold the new size value during animation of mini drawer
private double resizeTo = 0;
private DoubleBinding initTranslateBinding;
// used to cache the drawer size
private double tempDrawerSize = getDefaultDrawerSize();
private JFXAnimationTimer translateTimer = new JFXAnimationTimer(
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> overlayPane.opacityProperty())
.setEndValueSupplier(() -> !hasMiniSize() ? 1 - translateTo / initTranslate.get() : (resizeTo == getMiniDrawerSize() ? 0 : 1))
.setInterpolator(Interpolator.EASE_BOTH).build()),
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> translateProperty)
.setEndValueSupplier(() -> !hasMiniSize() ? translateTo : 0)
.setInterpolator(Interpolator.EASE_BOTH).build()),
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> prefSizeProperty)
.setEndValueSupplier(() -> getDefaultDrawerSize())
.setAnimateCondition(() -> !hasMiniSize() && translateTo == initTranslate.get())
.setInterpolator(Interpolator.EASE_BOTH).build()),
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> maxSizeProperty)
.setEndValueSupplier(() -> getDefaultDrawerSize())
.setAnimateCondition(() -> !hasMiniSize() && translateTo == initTranslate.get())
.setInterpolator(Interpolator.EASE_BOTH).build()),
// open animation
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> prefSizeProperty)
.setEndValueSupplier(() -> tempDrawerSize)
.setAnimateCondition(() -> !hasMiniSize() && translateTo == 0 && tempDrawerSize > getDefaultDrawerSize())
.setInterpolator(Interpolator.EASE_BOTH).build()),
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> maxSizeProperty)
.setEndValueSupplier(() -> tempDrawerSize)
.setAnimateCondition(() -> !hasMiniSize() && translateTo == 0 && tempDrawerSize > getDefaultDrawerSize())
.setInterpolator(Interpolator.EASE_BOTH).build()),
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> prefSizeProperty)
.setEndValueSupplier(() -> getMiniDrawerSize())
.setAnimateCondition(() -> hasMiniSize() && resizeTo <= getMiniDrawerSize())
.setInterpolator(Interpolator.EASE_BOTH).build()),
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> maxSizeProperty)
.setEndValueSupplier(() -> getMiniDrawerSize())
.setAnimateCondition(() -> hasMiniSize() && resizeTo <= getMiniDrawerSize())
.setInterpolator(Interpolator.EASE_BOTH).build()),
// open animation
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> prefSizeProperty)
.setEndValueSupplier(() -> getDefaultDrawerSize())
.setAnimateCondition(() -> hasMiniSize() && resizeTo > getMiniDrawerSize())
.setInterpolator(Interpolator.EASE_BOTH).build()),
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> maxSizeProperty)
.setEndValueSupplier(() -> getDefaultDrawerSize())
.setAnimateCondition(() -> hasMiniSize() && resizeTo > getMiniDrawerSize())
.setInterpolator(Interpolator.EASE_BOTH).build()),
// padding animation
new JFXKeyFrame(Duration.millis(420),
JFXKeyValue.builder()
.setTargetSupplier(() -> paddingSizeProperty)
.setEndValueSupplier(this::computePaddingSize)
.setAnimateCondition(() -> isResizeContent())
.setInterpolator(Interpolator.EASE_BOTH).build())
);
/**
* creates empty drawer node
*/
public JFXDrawer() {
initialize();
contentHolder.setPickOnBounds(false);
overlayPane.setBackground(new Background(new BackgroundFill(Color.rgb(0, 0, 0, 0.1),
CornerRadii.EMPTY,
Insets.EMPTY)));
overlayPane.getStyleClass().add("jfx-drawer-overlay-pane");
overlayPane.setOpacity(0);
overlayPane.setMouseTransparent(true);
sidePane.getStyleClass().add("jfx-drawer-side-pane");
sidePane.setBackground(new Background(new BackgroundFill(Color.rgb(255, 255, 255, 1),
CornerRadii.EMPTY,
Insets.EMPTY)));
sidePane.setPickOnBounds(false);
translateTimer.setCacheNodes(sidePane);
// add listeners
initListeners();
// init size value
setDefaultDrawerSize(100);
getChildren().setAll(contentHolder, overlayPane, sidePane);
}
private void initialize() {
this.getStyleClass().add(DEFAULT_STYLE_CLASS);
}
private void initListeners() {
initTranslateBinding = Bindings.createDoubleBinding(() ->
-1 * directionProperty.get().doubleValue() * defaultSizeProperty.getValue()
- initOffset * directionProperty.get().doubleValue(),
defaultSizeProperty, directionProperty);
updateDirection(getDirection());
initTranslate.bind(initTranslateBinding);
// add listeners to update drawer properties
overLayVisibleProperty().addListener(observable -> {
final boolean overLayVisible = isOverLayVisible();
overlayPane.setStyle(!overLayVisible ? "-fx-background-color : transparent;" : "");
overlayPane.setPickOnBounds(overLayVisible);
});
directionProperty.addListener(observable -> updateDirection(directionProperty.get()));
initTranslate.addListener(observable -> updateDrawerAnimation(initTranslate.get()));
// add opening/closing action listeners
translateProperty.addListener((o, oldVal, newVal) -> {
if (!openCalled && closeCalled
&& directionProperty.get().doubleValue() * newVal.doubleValue() >
directionProperty.get().doubleValue() * initTranslate.get() / 2) {
openCalled = true;
closeCalled = false;
fireEvent(new JFXDrawerEvent(JFXDrawerEvent.OPENING));
}
});
translateProperty.addListener((o, oldVal, newVal) -> {
if (openCalled && !closeCalled
&& directionProperty.get().doubleValue() * newVal.doubleValue() <
directionProperty.get().doubleValue() * initTranslate.get() / 2) {
closeCalled = true;
openCalled = false;
fireEvent(new JFXDrawerEvent(JFXDrawerEvent.CLOSING));
}
});
overlayPane.addEventHandler(MouseEvent.MOUSE_CLICKED, event -> close());
sidePane.addEventHandler(MouseEvent.MOUSE_DRAGGED, mouseDragHandler);
sidePane.addEventHandler(MouseEvent.MOUSE_RELEASED, mouseReleasedHandler);
sidePane.addEventHandler(MouseEvent.MOUSE_PRESSED, mousePressedHandler);
// content listener for mouse hold on a side
this.content.addEventHandler(MouseEvent.MOUSE_PRESSED, (e) -> {
if (!e.isConsumed()) {
double size = 0;
long valid = 0;
for (int i = 0; i < callBacks.size(); i++) {
if (!callBacks.get(i).call(null)) {
valid++;
}
}
DrawerDirection direction = getDirection();
if (direction == DrawerDirection.RIGHT) {
size = content.getWidth();
} else if (direction == DrawerDirection.BOTTOM) {
size = content.getHeight();
}
double eventPoint = 0;
if (direction == DrawerDirection.RIGHT
|| direction == DrawerDirection.LEFT) {
eventPoint = e.getX();
} else {
eventPoint = e.getY();
}
if (size + direction.doubleValue() * eventPoint < activeOffset
&& (content.getCursor() == Cursor.DEFAULT || content.getCursor() == null)
&& valid == 0
&& !isOpened()) {
holdTimer.play();
e.consume();
}
}
});
this.content.addEventHandler(MouseEvent.MOUSE_RELEASED, (e) -> {
holdTimer.stop();
this.content.removeEventFilter(MouseEvent.MOUSE_DRAGGED, mouseDragHandler);
});
holdTimer.setOnFinished(e -> {
translateTo = initTranslate.get()
+ initOffset * directionProperty.get().doubleValue()
+ activeOffset * directionProperty.get().doubleValue();
overlayPane.setMouseTransparent(!isOverLayVisible());
translateTimer.setOnFinished(null);
translateTimer.start();
});
}
/**
* This method will change the drawer behavior according to the argument direction.
*
* @param dir - The direction that the drawer will enter the screen from.
*/
private void updateDirection(DrawerDirection dir) {
maxSizeProperty.set(-1);
prefSizeProperty.set(-1);
// reset old translation
translateProperty.set(0);
// update properties
if (dir == DrawerDirection.LEFT || dir == DrawerDirection.RIGHT) {
// set the new translation property
translateProperty = sidePane.translateXProperty();
// change the size property
maxSizeProperty = sidePane.maxWidthProperty();
prefSizeProperty = sidePane.prefWidthProperty();
sizeProperty = sidePane.widthProperty();
paddingSizeProperty = paddingPane.prefWidthProperty();
} else if (dir == DrawerDirection.TOP || dir == DrawerDirection.BOTTOM) {
// set the new translation property
translateProperty = sidePane.translateYProperty();
// change the size property
maxSizeProperty = sidePane.maxHeightProperty();
prefSizeProperty = sidePane.prefHeightProperty();
sizeProperty = sidePane.heightProperty();
paddingSizeProperty = paddingPane.prefHeightProperty();
}
// update pane alignment
if (dir == DrawerDirection.LEFT) {
StackPane.setAlignment(sidePane, Pos.CENTER_LEFT);
} else if (dir == DrawerDirection.RIGHT) {
StackPane.setAlignment(sidePane, Pos.CENTER_RIGHT);
} else if (dir == DrawerDirection.TOP) {
StackPane.setAlignment(sidePane, Pos.TOP_CENTER);
} else if (dir == DrawerDirection.BOTTOM) {
StackPane.setAlignment(sidePane, Pos.BOTTOM_CENTER);
}
setDefaultDrawerSize(getDefaultDrawerSize());
updateDrawerAnimation(initTranslate.get());
updateContent();
setMiniDrawerSize(getMiniDrawerSize());
}
private void updateDrawerAnimation(double translation) {
translateProperty.set(translation);
translateTo = translation;
}
private double computePaddingSize() {
if (!isResizeContent()) {
return 0;
}
if (hasMiniSize()) {
return resizeTo;
} else if (translateTo == 0 && tempDrawerSize > getDefaultDrawerSize()) {
return tempDrawerSize;
} else if (translateTo == 0) {
return getDefaultDrawerSize();
} else if (translateTo == initTranslate.get()) {
return 0;
} else {
return defaultSizeProperty.get() + getDirection().doubleValue() * translateTo;
}
}
/***************************************************************************
* *
* Public API *
* *
**************************************************************************/
private DoubleProperty miniDrawerSize = new SimpleDoubleProperty(-1);
public double getMiniDrawerSize() {
return miniDrawerSize.get();
}
/**
* set mini drawer mode (the drawer will be animated by changing the size instead
* of translation).You can disable this mode, by setting the size value <= 0
* @param size value
*/
public void setMiniDrawerSize(double size) {
this.miniDrawerSize.set(size);
if(size > 0){
updateSize(size);
initTranslate.unbind();
initTranslate.set(0);
paddingSizeProperty.set(size);
}else{
updateSize(getDefaultDrawerSize());
initTranslate.bind(initTranslateBinding);
paddingSizeProperty.set(0);
}
resizeTo = size;
}
private boolean hasMiniSize() {
return getMiniDrawerSize() > 0;
}
private ArrayList> callBacks = new ArrayList<>();
/**
* the callbacks are used to add conditions to allow
* starting the drawer when holding on the side part of the content
*/
public void addInitDrawerCallback(Callback callBack) {
callBacks.add(callBack);
}
/**
* this method is only used in drawers stack component
*
* @param callback
*/
void bringToFront(Callback callback) {
EventHandler eventFilter = Event::consume;
final boolean fillSize = prefSizeProperty.get() == USE_COMPUTED_SIZE;
// disable mouse events
this.addEventFilter(MouseEvent.ANY, eventFilter);
Runnable onFinished = () -> {
callback.call(null);
translateTo = 0;
translateTimer.setOnFinished(() -> {
if (fillSize) {
prefSizeProperty.set(USE_COMPUTED_SIZE);
maxSizeProperty.set(USE_COMPUTED_SIZE);
}
// enable mouse events
this.removeEventFilter(MouseEvent.ANY, eventFilter);
});
translateTimer.start();
};
if (sizeProperty.get() > getDefaultDrawerSize()) {
tempDrawerSize = sizeProperty.get();
} else {
tempDrawerSize = getDefaultDrawerSize();
}
translateTo = initTranslate.get();
translateTimer.setOnFinished(onFinished);
translateTimer.start();
}
/**
* This indicates whether or not the drawer is completely shown.
*
* @return True if the drawer is totally visible and not transitioning, otherwise false.
*/
public boolean isOpened() {
if (hasMiniSize()) {
return resizeTo == getDefaultDrawerSize() || prefSizeProperty.get() >= getDefaultDrawerSize();
}
return (translateTo == 0 || translateProperty.get() == 0) && !translateTimer.isRunning();
}
/**
* This indicates whether or not the drawer is in the process of being shown.
*
* @return True if the drawer is transitioning from closed to open, otherwise false.
*/
public boolean isOpening() {
boolean condition = hasMiniSize() ? resizeTo == getDefaultDrawerSize() : translateTo == 0;
return condition && translateTimer.isRunning();
}
/**
* This indicates whether or not the drawer is in the process of being hidden.
*
* @return True if the drawer is transitioning from open to closed, otherwise false.
*/
public boolean isClosing() {
boolean condition = hasMiniSize() ? resizeTo == getMiniDrawerSize() : translateTo == initTranslate.get();
return condition && translateTimer.isRunning();
}
/**
* This indicates whether or not the drawer is completely hidden.
*
* @return True if the drawer is hidden and not in the process of transitioning, otherwise false.
*/
public boolean isClosed() {
if (hasMiniSize()) {
return resizeTo == getMiniDrawerSize();
}
return translateTo == initTranslate.get() && !translateTimer.isRunning();
}
/**
* Toggles the drawer between open and closed. The drawer will be closed if it is shown or transitioning between
* closed and open. Likewise, it will be opened if it is open or transitioning from open to closed.
*/
public void toggle() {
if (isOpened() || isOpening()) {
close();
} else {
open();
}
}
/**
* Starts the animation to transition this drawer to open.
*/
public void open() {
translateTo = 0;
resizeTo = getDefaultDrawerSize();
overlayPane.setMouseTransparent(!isOverLayVisible());
translateTimer.setOnFinished(() -> fireEvent(new JFXDrawerEvent(JFXDrawerEvent.OPENED)));
translateTimer.reverseAndContinue();
}
/**
* Starts the animation to transition this drawer to closed.
*/
public void close() {
translateTimer.setOnFinished(() -> {
overlayPane.setMouseTransparent(true);
fireEvent(new JFXDrawerEvent(JFXDrawerEvent.CLOSED));
});
if (hasMiniSize()) {
if(resizeTo != getMiniDrawerSize()){
resizeTo = getMiniDrawerSize();
translateTimer.reverseAndContinue();
}
} else {
updateTempDrawerSize();
if (translateTo != initTranslate.get()) {
translateTo = initTranslate.get();
translateTimer.reverseAndContinue();
}
}
}
/***************************************************************************
* *
* Setters / Getters *
* *
**************************************************************************/
public ObservableList getSidePane() {
return sidePane.getChildren();
}
public void setSidePane(Node... sidePane) {
this.sidePane.getChildren().setAll(sidePane);
}
public ObservableList getContent() {
if (contentHolder.getChildren().isEmpty()) {
updateContent();
}
return content.getChildren();
}
public void setContent(Node... content) {
this.content.getChildren().setAll(content);
if (contentHolder.getChildren().isEmpty()) {
updateContent();
}
}
private void updateContent() {
paddingPane.setPrefSize(0, 0);
paddingPane.setMinSize(0, 0);
Node contentNode = content;
switch (getDirection()) {
case TOP:
contentNode = new VBox(paddingPane, content);
VBox.setVgrow(content, Priority.ALWAYS);
break;
case BOTTOM:
contentNode = new VBox(content, paddingPane);
VBox.setVgrow(content, Priority.ALWAYS);
break;
case LEFT:
contentNode = new HBox(paddingPane, content);
HBox.setHgrow(content, Priority.ALWAYS);
break;
case RIGHT:
contentNode = new HBox(content, paddingPane);
HBox.setHgrow(content, Priority.ALWAYS);
break;
}
contentNode.setPickOnBounds(false);
if (isOpened()) {
paddingSizeProperty.set(computePaddingSize());
}
contentHolder.getChildren().setAll(contentNode);
}
/***************************************************************************
* *
* public properties *
* *
**************************************************************************/
public double getDefaultDrawerSize() {
return defaultSizeProperty.get();
}
public void setDefaultDrawerSize(double size) {
defaultSizeProperty.set(size);
if(getMiniDrawerSize() < 0){
updateSize(size);
}
}
private void updateSize(double size) {
maxSizeProperty.set(size);
prefSizeProperty.set(size);
}
private SimpleObjectProperty directionProperty =
new SimpleObjectProperty<>(DrawerDirection.LEFT);
public DrawerDirection getDirection() {
return directionProperty.get();
}
public SimpleObjectProperty directionProperty() {
return directionProperty;
}
public void setDirection(DrawerDirection direction) {
this.directionProperty.set(direction);
}
private BooleanProperty overLayVisible = new SimpleBooleanProperty(true);
public final BooleanProperty overLayVisibleProperty() {
return this.overLayVisible;
}
public final boolean isOverLayVisible() {
return this.overLayVisibleProperty().get();
}
public final void setOverLayVisible(final boolean overLayVisible) {
this.overLayVisibleProperty().set(overLayVisible);
}
private boolean resizable = false;
public boolean isResizableOnDrag() {
return resizable;
}
public void setResizableOnDrag(boolean resizable) {
this.resizable = resizable;
}
private boolean resizeContent = false;
public boolean isResizeContent() {
return resizeContent;
}
public void setResizeContent(boolean resizeContent) {
this.resizeContent = resizeContent;
// animate content size
translateTimer.reverseAndContinue();
}
/***************************************************************************
* *
* Custom Events *
* *
**************************************************************************/
public EventHandler getOnDrawerClosed() {
return onDrawerClosedProperty().get();
}
public ObjectProperty> onDrawerClosedProperty() {
return onDrawerClosed;
}
public void setOnDrawerClosed(EventHandler onDrawerClosed) {
onDrawerClosedProperty().set(onDrawerClosed);
}
private ObjectProperty> onDrawerClosed = new ObjectPropertyBase>() {
@Override
protected void invalidated() {
setEventHandler(JFXDrawerEvent.CLOSED, get());
}
@Override
public Object getBean() {
return JFXDrawer.this;
}
@Override
public String getName() {
return "onClosed";
}
};
public EventHandler getOnDrawerClosing() {
return onDrawerClosing.get();
}
public ObjectProperty> onDrawerClosingProperty() {
return onDrawerClosing;
}
public void setOnDrawerClosing(EventHandler onDrawerClosing) {
this.onDrawerClosing.set(onDrawerClosing);
}
private ObjectProperty> onDrawerClosing = new ObjectPropertyBase>() {
@Override
protected void invalidated() {
setEventHandler(JFXDrawerEvent.CLOSING, get());
}
@Override
public Object getBean() {
return JFXDrawer.this;
}
@Override
public String getName() {
return "onClosing";
}
};
public EventHandler getOnDrawerOpened() {
return onDrawerOpened.get();
}
public ObjectProperty> onDrawerOpenedProperty() {
return onDrawerOpened;
}
public void setOnDrawerOpened(EventHandler onDrawerOpened) {
this.onDrawerOpened.set(onDrawerOpened);
}
private ObjectProperty> onDrawerOpened = new ObjectPropertyBase>() {
@Override
protected void invalidated() {
setEventHandler(JFXDrawerEvent.OPENED, get());
}
@Override
public Object getBean() {
return JFXDrawer.this;
}
@Override
public String getName() {
return "onOpened";
}
};
public EventHandler getOnDrawerOpening() {
return onDrawerOpening.get();
}
public ObjectProperty> onDrawerOpeningProperty() {
return onDrawerOpening;
}
public void setOnDrawerOpening(EventHandler onDrawerOpening) {
this.onDrawerOpening.set(onDrawerOpening);
}
private ObjectProperty> onDrawerOpening = new ObjectPropertyBase>() {
@Override
protected void invalidated() {
setEventHandler(JFXDrawerEvent.OPENING, get());
}
@Override
public Object getBean() {
return JFXDrawer.this;
}
@Override
public String getName() {
return "onOpening";
}
};
/***************************************************************************
* *
* Action Handlers *
* *
**************************************************************************/
private EventHandler mouseDragHandler = (mouseEvent) -> {
if (!mouseEvent.isConsumed()) {
mouseEvent.consume();
if (startSize == -1) {
startSize = sizeProperty.get();
}
double eventPoint;
double directionValue = getDirection().doubleValue();
if (getDirection() == DrawerDirection.RIGHT
|| getDirection() == DrawerDirection.LEFT) {
eventPoint = mouseEvent.getSceneX();
} else {
eventPoint = mouseEvent.getSceneY();
}
double mouseDiff = startTranslate + eventPoint - startMouse;
if (directionValue * mouseDiff <= 0) {
// drawer close drag
if (resizable || hasMiniSize()) {
double drawerMinSize = hasMiniSize() ? getMiniDrawerSize() : getDefaultDrawerSize();
final double newSize = startSize + directionValue * mouseDiff;
if (newSize > drawerMinSize) {
// change the side drawer size if dragging from hidden
maxSizeProperty.set(newSize);
prefSizeProperty.set(newSize);
double opacity = hasMiniSize() ? (newSize - getMiniDrawerSize()) / (getDefaultDrawerSize() - getMiniDrawerSize()) : (1 - translateProperty.get() / initTranslate.get());
opacity = opacity > 1 ? 1 : opacity;
opacity = opacity < 0 ? 0 : opacity;
overlayPane.setOpacity(opacity);
if (isResizeContent()) {
paddingSizeProperty.set(newSize);
}
} else {
// animate <- when resize is finished
// if the side drawer is not fully shown perform translation to show it , and set its default size
maxSizeProperty.set(drawerMinSize);
double translation = hasMiniSize() ? 0 : directionValue * (startSize - getDefaultDrawerSize()) + mouseDiff;
translateProperty.set(translation);
double opacity = hasMiniSize() ? (newSize - getMiniDrawerSize()) / (getDefaultDrawerSize() - getMiniDrawerSize()) : (1 - translateProperty.get() / initTranslate.get());
opacity = opacity > 1 ? 1 : opacity;
opacity = opacity < 0 ? 0 : opacity;
overlayPane.setOpacity(opacity);
if (isResizeContent()) {
paddingSizeProperty.set(drawerMinSize + directionValue * translation);
}
}
} else {
// animate translation <-
translateProperty.set(mouseDiff);
overlayPane.setOpacity(1 - translateProperty.get() / initTranslate.get());
if (isResizeContent()) {
paddingSizeProperty.set(getDefaultDrawerSize() + directionValue * mouseDiff);
}
}
} else {
// drawer open drag
if (resizable || hasMiniSize()) {
double newSize = startSize + directionValue * mouseDiff;
if (newSize <= (getDirection() == DrawerDirection.LEFT || getDirection() == DrawerDirection.RIGHT ? getWidth() : getHeight())) {
// change the side drawer size after being shown
newSize = resizable ? newSize : (newSize < getDefaultDrawerSize() ? newSize : getDefaultDrawerSize());
maxSizeProperty.set(newSize);
prefSizeProperty.set(newSize);
double opacity = hasMiniSize() ? (newSize - getMiniDrawerSize()) / (getDefaultDrawerSize() - getMiniDrawerSize()) : (1 - translateProperty.get() / initTranslate.get());
opacity = opacity > 1 ? 1 : opacity;
opacity = opacity < 0 ? 0 : opacity;
overlayPane.setOpacity(opacity);
if (isResizeContent()) {
paddingSizeProperty.set(newSize);
}
} else if (resizable) {
// bind the drawer size to its parent
maxSizeProperty.set(Region.USE_COMPUTED_SIZE);
prefSizeProperty.set(Region.USE_COMPUTED_SIZE);
}
}
translateProperty.set(0);
if(!hasMiniSize()) overlayPane.setOpacity(1 - translateProperty.get() / initTranslate.get());
}
}
};
private EventHandler mousePressedHandler = (mouseEvent) -> {
translateTimer.setOnFinished(null);
translateTimer.stop();
if (directionProperty.get() == DrawerDirection.RIGHT
|| directionProperty.get() == DrawerDirection.LEFT) {
startMouse = mouseEvent.getSceneX();
} else {
startMouse = mouseEvent.getSceneY();
}
startTranslate = translateProperty.get();
startSize = sizeProperty.get();
};
private EventHandler mouseReleasedHandler = (mouseEvent) -> {
final double direction = directionProperty.get().doubleValue();
if (prefSizeProperty.get() != USE_COMPUTED_SIZE) {
tryPartialAnimation(direction);
updateTempDrawerSize();
}
// reset drawer animation properties
startMouse = -1;
startTranslate = -1;
startSize = sizeProperty.get();
};
private void updateTempDrawerSize() {
if (sizeProperty.get() > getDefaultDrawerSize()) {
tempDrawerSize = prefSizeProperty.get();
} else {
tempDrawerSize = getDefaultDrawerSize();
}
}
private void tryPartialAnimation(double direction) {
if(hasMiniSize()){
if (prefSizeProperty.get() > (getMiniDrawerSize() + getDefaultDrawerSize()) / 2 && prefSizeProperty.get() < getDefaultDrawerSize()) {
// show side pane
partialOpen();
} else if (prefSizeProperty.get() <= (getMiniDrawerSize() + getDefaultDrawerSize()) / 2) {
// hide the sidePane
partialClose();
}else if(prefSizeProperty.get() >= getDefaultDrawerSize()){
resizeTo = getDefaultDrawerSize();
}
}else{
if (direction * translateProperty.get() > direction * initTranslate.get() / 2) {
if (translateProperty.get() != 0.0) {
// show side pane
partialOpen();
}
} else if (translateProperty.get() != initTranslate.get()) {
// hide the sidePane
partialClose();
}
}
}
private void partialClose() {
translateTo = initTranslate.get();
resizeTo = getMiniDrawerSize();
translateTimer.setOnFinished(() -> {
overlayPane.setMouseTransparent(true);
fireEvent(new JFXDrawerEvent(JFXDrawerEvent.CLOSED));
});
translateTimer.start();
}
private void partialOpen() {
translateTo = 0;
resizeTo = getDefaultDrawerSize();
overlayPane.setMouseTransparent(!isOverLayVisible());
translateTimer.setOnFinished(() -> fireEvent(new JFXDrawerEvent(JFXDrawerEvent.OPENED)));
translateTimer.start();
}
/***************************************************************************
* *
* Stylesheet Handling *
* *
**************************************************************************/
/**
* Initialize the style class to 'jfx-drawer'.
*
* This is the selector class from which CSS can be used to style
* this control.
*/
private static final String DEFAULT_STYLE_CLASS = "jfx-drawer";
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy