com.jfoenix.controls.JFXComboBox 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.converters.base.NodeConverter;
import com.jfoenix.skins.JFXComboBoxListViewSkin;
import com.sun.javafx.css.converters.BooleanConverter;
import com.sun.javafx.css.converters.PaintConverter;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.ObservableList;
import javafx.css.*;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.control.*;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.util.StringConverter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* JFXComboBox is the material design implementation of a combobox.
*
* @author Shadi Shaheen
* @version 1.0
* @since 2016-03-09
*/
public class JFXComboBox extends ComboBox {
/**
* {@inheritDoc}
*/
public JFXComboBox() {
initialize();
}
/**
* {@inheritDoc}
*/
public JFXComboBox(ObservableList items) {
super(items);
initialize();
}
private void initialize() {
getStyleClass().add(DEFAULT_STYLE_CLASS);
this.setCellFactory(listView -> new JFXListCell<>());
this.setConverter(new StringConverter() {
@Override
public String toString(T object) {
if (object == null) {
return null;
}
if (object instanceof Label) {
return ((Label) object).getText();
}
return object.toString();
}
@SuppressWarnings("unchecked")
@Override
public T fromString(String string) {
return (T) string;
}
});
// had to refactor the code out of the skin class to allow
// customization of the button cell
this.setButtonCell(new ListCell() {
{
// fixed clearing the combo box value is causing
// java prompt text to be shown because the button cell is not updated
JFXComboBox.this.valueProperty().addListener(observable -> {
if(JFXComboBox.this.getValue() == null){
updateItem(null, true );
}
});
}
@Override
protected void updateItem(T item, boolean empty) {
updateDisplayText(this, item, empty);
this.setVisible(item != null || !empty);
}
});
}
/**
* {@inheritDoc}
*/
@Override
protected Skin createDefaultSkin() {
return new JFXComboBoxListViewSkin<>(this);
}
/**
* Initialize the style class to 'jfx-combo-box'.
*
* This is the selector class from which CSS can be used to style
* this control.
*/
private static final String DEFAULT_STYLE_CLASS = "jfx-combo-box";
/***************************************************************************
* *
* Node Converter Property *
* *
**************************************************************************/
/**
* Converts the user-typed input (when the ComboBox is
* {@link #editableProperty() editable}) to an object of type T, such that
* the input may be retrieved via the {@link #valueProperty() value} property.
*/
public ObjectProperty> nodeConverterProperty() {
return nodeConverter;
}
private ObjectProperty> nodeConverter = new SimpleObjectProperty<>(this, "nodeConverter",
JFXComboBox.defaultNodeConverter());
public final void setNodeConverter(NodeConverter value) {
nodeConverterProperty().set(value);
}
public final NodeConverter getNodeConverter() {
return nodeConverterProperty().get();
}
private static NodeConverter defaultNodeConverter() {
return new NodeConverter() {
@Override
public Node toNode(T object) {
if (object == null) {
return null;
}
StackPane selectedValueContainer = new StackPane();
selectedValueContainer.getStyleClass().add("combo-box-selected-value-container");
selectedValueContainer.setBackground(new Background(new BackgroundFill(Color.TRANSPARENT, null, null)));
Label selectedValueLabel = object instanceof Label ? new Label(((Label) object).getText()) : new Label(
object.toString());
selectedValueLabel.setTextFill(Color.BLACK);
selectedValueContainer.getChildren().add(selectedValueLabel);
StackPane.setAlignment(selectedValueLabel, Pos.CENTER_LEFT);
StackPane.setMargin(selectedValueLabel, new Insets(0, 0, 0, 5));
return selectedValueContainer;
}
@SuppressWarnings("unchecked")
@Override
public T fromNode(Node node) {
return (T) node;
}
@Override
public String toString(T object) {
if (object == null) {
return null;
}
if (object instanceof Label) {
return ((Label) object).getText();
}
return object.toString();
}
};
}
private boolean updateDisplayText(ListCell cell, T item, boolean empty) {
if (empty) {
// create empty cell
if (cell == null) {
return true;
}
cell.setGraphic(null);
cell.setText(null);
return true;
} else if (item instanceof Node) {
Node currentNode = cell.getGraphic();
Node newNode = (Node) item;
// create a node from the selected node of the listview
// using JFXComboBox {@link #nodeConverterProperty() NodeConverter})
NodeConverter nc = this.getNodeConverter();
Node node = nc == null ? null : nc.toNode(item);
if (currentNode == null || !currentNode.equals(newNode)) {
cell.setText(null);
cell.setGraphic(node == null ? newNode : node);
}
return node == null;
} else {
// run item through StringConverter if it isn't null
StringConverter c = this.getConverter();
String s = item == null ? this.getPromptText() : (c == null ? item.toString() : c.toString(item));
cell.setText(s);
cell.setGraphic(null);
return s == null || s.isEmpty();
}
}
/***************************************************************************
* *
* styleable Properties *
* *
**************************************************************************/
/**
* set true to show a float the prompt text when focusing the field
*/
private StyleableBooleanProperty labelFloat = new SimpleStyleableBooleanProperty(StyleableProperties.LABEL_FLOAT,
JFXComboBox.this,
"lableFloat",
false);
public final StyleableBooleanProperty labelFloatProperty() {
return this.labelFloat;
}
public final boolean isLabelFloat() {
return this.labelFloatProperty().get();
}
public final void setLabelFloat(final boolean labelFloat) {
this.labelFloatProperty().set(labelFloat);
}
/**
* default color used when the field is unfocused
*/
private StyleableObjectProperty unFocusColor = new SimpleStyleableObjectProperty<>(StyleableProperties.UNFOCUS_COLOR,
JFXComboBox.this,
"unFocusColor",
Color.rgb(77,
77,
77));
public Paint getUnFocusColor() {
return unFocusColor == null ? Color.rgb(77, 77, 77) : unFocusColor.get();
}
public StyleableObjectProperty unFocusColorProperty() {
return this.unFocusColor;
}
public void setUnFocusColor(Paint color) {
this.unFocusColor.set(color);
}
/**
* default color used when the field is focused
*/
private StyleableObjectProperty focusColor = new SimpleStyleableObjectProperty<>(StyleableProperties.FOCUS_COLOR,
JFXComboBox.this,
"focusColor",
Color.valueOf("#4059A9"));
public Paint getFocusColor() {
return focusColor == null ? Color.valueOf("#4059A9") : focusColor.get();
}
public StyleableObjectProperty focusColorProperty() {
return this.focusColor;
}
public void setFocusColor(Paint color) {
this.focusColor.set(color);
}
private static class StyleableProperties {
private static final CssMetaData, Paint> UNFOCUS_COLOR = new CssMetaData, Paint>(
"-jfx-unfocus-color",
PaintConverter.getInstance(),
Color.valueOf("#A6A6A6")) {
@Override
public boolean isSettable(JFXComboBox control) {
return control.unFocusColor == null || !control.unFocusColor.isBound();
}
@Override
public StyleableProperty getStyleableProperty(JFXComboBox control) {
return control.unFocusColorProperty();
}
};
private static final CssMetaData, Paint> FOCUS_COLOR = new CssMetaData, Paint>(
"-jfx-focus-color",
PaintConverter.getInstance(),
Color.valueOf("#3f51b5")) {
@Override
public boolean isSettable(JFXComboBox control) {
return control.focusColor == null || !control.focusColor.isBound();
}
@Override
public StyleableProperty getStyleableProperty(JFXComboBox control) {
return control.focusColorProperty();
}
};
private static final CssMetaData, Boolean> LABEL_FLOAT = new CssMetaData, Boolean>(
"-jfx-label-float",
BooleanConverter.getInstance(),
false) {
@Override
public boolean isSettable(JFXComboBox control) {
return control.labelFloat == null || !control.labelFloat.isBound();
}
@Override
public StyleableBooleanProperty getStyleableProperty(JFXComboBox control) {
return control.labelFloatProperty();
}
};
private static final List> CHILD_STYLEABLES;
static {
final List> styleables = new ArrayList<>(
Control.getClassCssMetaData());
Collections.addAll(styleables, UNFOCUS_COLOR, FOCUS_COLOR, LABEL_FLOAT);
CHILD_STYLEABLES = Collections.unmodifiableList(styleables);
}
}
// inherit the styleable properties from parent
private List> STYLEABLES;
@Override
public List> getControlCssMetaData() {
if (STYLEABLES == null) {
final List> styleables = new ArrayList<>(
Control.getClassCssMetaData());
styleables.addAll(getClassCssMetaData());
styleables.addAll(Control.getClassCssMetaData());
STYLEABLES = Collections.unmodifiableList(styleables);
}
return STYLEABLES;
}
public static List> getClassCssMetaData() {
return StyleableProperties.CHILD_STYLEABLES;
}
}