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/*
* 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.skins;
import com.jfoenix.controls.JFXComboBox;
import com.jfoenix.transitions.JFXAnimationTimer;
import com.jfoenix.transitions.JFXKeyFrame;
import com.jfoenix.transitions.JFXKeyValue;
import javafx.animation.Interpolator;
import javafx.application.Platform;
import javafx.beans.binding.Bindings;
import javafx.beans.binding.BooleanBinding;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.css.CssMetaData;
import javafx.css.Styleable;
import javafx.css.StyleableObjectProperty;
import javafx.css.StyleableProperty;
import javafx.css.converter.PaintConverter;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.ListCell;
import javafx.scene.control.skin.ComboBoxListViewSkin;
import javafx.scene.layout.*;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.scene.text.Text;
import javafx.scene.transform.Scale;
import javafx.util.Duration;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
*
Material Design ComboBox Skin
*
* @author Shadi Shaheen
* @version 2.0
* @since 2017-01-25
*/
public class JFXComboBoxListViewSkin extends ComboBoxListViewSkin {
/***************************************************************************
* *
* Private fields *
* *
**************************************************************************/
private boolean invalid = true;
private StackPane customPane;
private StackPane line = new StackPane();
private StackPane focusedLine = new StackPane();
private Text promptText = new Text();
private double initScale = 0.05;
private Scale scale = new Scale(initScale, 1);
private Scale promptTextScale = new Scale(1, 1, 0, 0);
protected final ObjectProperty promptTextFill = new StyleableObjectProperty(Color.GRAY) {
@Override public Object getBean() {
return JFXComboBoxListViewSkin.this;
}
@Override public String getName() {
return "promptTextFill";
}
@Override public CssMetaData getCssMetaData() {
return StyleableProperties.PROMPT_TEXT_FILL;
}
};
private Paint oldPromptTextFill = promptTextFill.get();
protected final ObjectProperty animatedPromptTextFill = new SimpleObjectProperty<>(promptTextFill.get());
JFXAnimationTimer focusTimer = new JFXAnimationTimer(
new JFXKeyFrame(Duration.millis(1),
JFXKeyValue.builder()
.setTarget(focusedLine.opacityProperty())
.setEndValue(1)
.setInterpolator(Interpolator.EASE_BOTH)
.setAnimateCondition(()->getSkinnable().isFocused()).build()),
new JFXKeyFrame(Duration.millis(160),
JFXKeyValue.builder()
.setTarget(scale.xProperty())
.setEndValue(1)
.setInterpolator(Interpolator.EASE_BOTH).build(),
JFXKeyValue.builder()
.setTargetSupplier(()-> !((JFXComboBox) getSkinnable()).isLabelFloat() ? null : animatedPromptTextFill)
.setEndValueSupplier(()->((JFXComboBox) getSkinnable()).getFocusColor())
.setInterpolator(Interpolator.EASE_BOTH)
.setAnimateCondition(()->getSkinnable().isFocused()).build(),
JFXKeyValue.builder()
.setTargetSupplier(()-> !((JFXComboBox) getSkinnable()).isLabelFloat() ? null : promptText.translateYProperty())
.setEndValueSupplier(() -> -customPane.getHeight() + 6.05)
.setInterpolator(Interpolator.EASE_BOTH).build(),
JFXKeyValue.builder()
.setTargetSupplier(()-> !((JFXComboBox) getSkinnable()).isLabelFloat() ? null : promptTextScale.xProperty())
.setEndValue(0.85)
.setInterpolator(Interpolator.EASE_BOTH).build(),
JFXKeyValue.builder()
.setTargetSupplier(()-> !((JFXComboBox) getSkinnable()).isLabelFloat() ? null : promptTextScale.yProperty())
.setEndValue(0.85)
.setInterpolator(Interpolator.EASE_BOTH).build())
);
JFXAnimationTimer unfocusTimer = new JFXAnimationTimer(
new JFXKeyFrame(Duration.millis(160),
JFXKeyValue.builder()
.setTargetSupplier(()-> !((JFXComboBox) getSkinnable()).isLabelFloat() ? null : promptText.translateYProperty())
.setEndValue(0)
.setInterpolator(Interpolator.EASE_BOTH).build(),
JFXKeyValue.builder()
.setTargetSupplier(()-> !((JFXComboBox) getSkinnable()).isLabelFloat() ? null : promptTextScale.xProperty())
.setEndValue(1)
.setInterpolator(Interpolator.EASE_BOTH).build(),
JFXKeyValue.builder()
.setTargetSupplier(()-> !((JFXComboBox) getSkinnable()).isLabelFloat() ? null : promptTextScale.yProperty())
.setEndValue(1)
.setInterpolator(Interpolator.EASE_BOTH).build())
);
private BooleanBinding usePromptText = Bindings.createBooleanBinding(() -> usePromptText(),
((JFXComboBox) getSkinnable()).valueProperty(),
getSkinnable().promptTextProperty());
/***************************************************************************
* *
* Constructors *
* *
**************************************************************************/
public JFXComboBoxListViewSkin(final JFXComboBox comboBox) {
super(comboBox);
// create my custom pane for the prompt node
promptText.textProperty().bind(comboBox.promptTextProperty());
promptText.fillProperty().bind(animatedPromptTextFill);
promptText.getStyleClass().addAll("text", "prompt-text");
promptText.getTransforms().add(promptTextScale);
if (!comboBox.isLabelFloat()) {
promptText.visibleProperty().bind(usePromptText);
}
customPane = new StackPane();
customPane.setMouseTransparent(true);
customPane.getStyleClass().add("combo-box-button-container");
customPane.getChildren().add(promptText);
getChildren().add(0, customPane);
StackPane.setAlignment(promptText, Pos.CENTER_LEFT);
// add lines
line.getStyleClass().add("input-line");
focusedLine.getStyleClass().add("input-focused-line");
getChildren().add(line);
getChildren().add(focusedLine);
line.setPrefHeight(1);
line.setTranslateY(1); // translate = prefHeight + init_translation
line.setManaged(false);
line.setBackground(new Background(new BackgroundFill(((JFXComboBox) getSkinnable()).getUnFocusColor(),
CornerRadii.EMPTY, Insets.EMPTY)));
if (getSkinnable().isDisabled()) {
line.setBorder(new Border(new BorderStroke(((JFXComboBox) getSkinnable()).getUnFocusColor(),
BorderStrokeStyle.DASHED,
CornerRadii.EMPTY,
new BorderWidths(1))));
line.setBackground(new Background(new BackgroundFill(Color.TRANSPARENT,
CornerRadii.EMPTY, Insets.EMPTY)));
}
// focused line
focusedLine.setPrefHeight(2);
focusedLine.setTranslateY(0); // translate = prefHeight + init_translation(-1)
focusedLine.setBackground(new Background(new BackgroundFill(((JFXComboBox) getSkinnable()).getFocusColor(),
CornerRadii.EMPTY, Insets.EMPTY)));
focusedLine.setOpacity(0);
focusedLine.getTransforms().add(scale);
focusedLine.setManaged(false);
if (comboBox.isEditable()) {
comboBox.getEditor().setStyle("-fx-background-color:TRANSPARENT;-fx-padding: 4 0 4 0");
comboBox.getEditor().promptTextProperty().unbind();
comboBox.getEditor().setPromptText(null);
comboBox.getEditor().textProperty().addListener((o, oldVal, newVal) -> usePromptText.invalidate());
}
comboBox.labelFloatProperty().addListener((o, oldVal, newVal) -> {
if (newVal) {
promptText.visibleProperty().unbind();
} else {
promptText.visibleProperty().bind(usePromptText);
}
});
comboBox.focusColorProperty().addListener(observable -> {
if (comboBox.getFocusColor() != null) {
focusedLine.setBackground(new Background(new BackgroundFill(comboBox.getFocusColor(), CornerRadii.EMPTY, Insets.EMPTY)));
}
});
comboBox.unFocusColorProperty().addListener(observable -> {
if (comboBox.getUnFocusColor() != null) {
line.setBackground(new Background(new BackgroundFill(comboBox.getUnFocusColor(), CornerRadii.EMPTY, Insets.EMPTY)));
}
});
comboBox.disabledProperty().addListener(observable -> {
line.setBorder(comboBox.isDisabled() ? new Border(new BorderStroke(((JFXComboBox) getSkinnable()).getUnFocusColor(),
BorderStrokeStyle.DASHED,
CornerRadii.EMPTY,
new BorderWidths(line.getHeight()))) : Border.EMPTY);
line.setBackground(new Background(new BackgroundFill(comboBox.isDisabled() ? Color.TRANSPARENT : ((JFXComboBox) getSkinnable())
.getUnFocusColor(),
CornerRadii.EMPTY, Insets.EMPTY)));
});
// handle animation on focus gained/lost event
comboBox.focusedProperty().addListener((o, oldVal, newVal) -> {
if (newVal) {
focus();
} else {
unFocus();
}
});
promptTextFill.addListener(observable -> {
oldPromptTextFill = promptTextFill.get();
animatedPromptTextFill.set(promptTextFill.get());
});
// handle animation on value changed
comboBox.valueProperty().addListener(observable -> {
if (!getSkinnable().isFocused() && ((JFXComboBox) getSkinnable()).isLabelFloat()) {
T value = comboBox.getValue();
if (value == null || value.toString().isEmpty()) {
animateFloatingLabel(false);
} else {
animateFloatingLabel(true);
}
}
});
}
/***************************************************************************
* *
* Public API *
* *
**************************************************************************/
@Override
protected void layoutChildren(final double x, final double y,
final double w, final double h) {
super.layoutChildren(x, y, w, h);
customPane.resizeRelocate(x, y, w, h);
if (invalid) {
invalid = false;
// create floating label
// set initial prompt text fill using javafx prompt node fill
animatedPromptTextFill.set(promptTextFill.get());
// focusTimer.setCacheNodes(promptText);
// unfocusTimer.setCacheNodes(promptText);
// if(!getSkinnable().isEditable()){
// final Text javaPromptText = (Text) ((ListCell) super.getDisplayNode()).lookup(".text");
// if(javaPromptText!=null) animatedPromptTextFill.set(javaPromptText.getFill());
// }
if(getSkinnable().getValue()!=null)
animateFloatingLabel(true);
}
focusedLine.resizeRelocate(x, getSkinnable().getHeight(), w, focusedLine.prefHeight(-1));
line.resizeRelocate(x, getSkinnable().getHeight(), w, line.prefHeight(-1));
scale.setPivotX(w / 2);
}
private void focus() {
// create the focus animations
unfocusTimer.stop();
focusTimer.start();
}
/**
* this method is called when the text property is changed when the
* field is not focused (changed in code)
*
* @param up
*/
private void animateFloatingLabel(boolean up) {
if (promptText == null) {
Platform.runLater(() -> animateFloatingLabel(up));
} else {
if (up) {
unfocusTimer.stop();
focusTimer.start();
} else if (!up) {
focusTimer.stop();
unfocusTimer.start();
}
}
}
private void unFocus() {
focusTimer.stop();
scale.setX(initScale);
focusedLine.setOpacity(0);
if (((JFXComboBox) getSkinnable()).isLabelFloat() && oldPromptTextFill != null) {
animatedPromptTextFill.set(oldPromptTextFill);
if (usePromptText()) {
unfocusTimer.start();
}
}
}
private boolean usePromptText() {
Object txt = ((JFXComboBox) getSkinnable()).getValue();
if (getSkinnable().isEditable()) {
txt = ((JFXComboBox) getSkinnable()).getEditor().getText().isEmpty() ? null : txt;
}
String promptTxt = getSkinnable().getPromptText();
boolean isLabelFloat = ((JFXComboBox) getSkinnable()).isLabelFloat();
return (txt == null || txt.toString().isEmpty()) && promptTxt != null
&& !promptTxt.isEmpty() && (!promptTextFill.get().equals(Color.TRANSPARENT) || isLabelFloat);
}
private static class StyleableProperties {
private static final CssMetaData PROMPT_TEXT_FILL =
new CssMetaData("-fx-prompt-text-fill",
PaintConverter.getInstance(), Color.GRAY) {
@Override
public boolean isSettable(JFXComboBox n) {
final JFXComboBoxListViewSkin skin = (JFXComboBoxListViewSkin) n.getSkin();
return skin.promptTextFill == null || !skin.promptTextFill.isBound();
}
@Override @SuppressWarnings("unchecked")
public StyleableProperty getStyleableProperty(JFXComboBox n) {
final JFXComboBoxListViewSkin skin = (JFXComboBoxListViewSkin) n.getSkin();
return (StyleableProperty)skin.promptTextFill;
}
};
private static final List> STYLEABLES;
static {
List> styleables =
new ArrayList>(ComboBoxListViewSkin.getClassCssMetaData());
styleables.add(PROMPT_TEXT_FILL);
STYLEABLES = Collections.unmodifiableList(styleables);
}
}
/**
* @return The CssMetaData associated with this class, which may include the
* CssMetaData of its super classes.
*/
public static List> getClassCssMetaData() {
return StyleableProperties.STYLEABLES;
}
/**
* {@inheritDoc}
*/
@Override
public List> getCssMetaData() {
return getClassCssMetaData();
}
}
