Initial project

src/main/java/com/imyeyu/fx/ui/components/NumberField.java

@@ -0,0 +1,152 @@
+package com.imyeyu.fx.ui.components;
+
+import com.imyeyu.java.TimiJava;
+import com.imyeyu.utils.Calc;
+import javafx.beans.property.DoubleProperty;
+import javafx.beans.property.SimpleDoubleProperty;
+import javafx.scene.control.TextField;
+import javafx.scene.control.TextFormatter;
+import javafx.scene.input.KeyCode;
+import javafx.scene.input.KeyEvent;
+
+/**
+ * 数字输入框
+ *
+ * @author 夜雨
+ * @since 2021-12-29 21:59
+ */
+public class NumberField extends TextField {
+
+	/** 数值 */
+	private final DoubleProperty value;
+
+	private boolean isBackSpace = false;
+
+	/** 默认构造 */
+	public NumberField() {
+		this("");
+	}
+
+	/**
+	 * 数字输入组件构造
+	 *
+	 * @param text 默认数值字符串
+	 */
+	public NumberField(String text) {
+		super(text);
+
+		value = new SimpleDoubleProperty();
+		value.addListener((obs, o, newValue) -> {
+			if (newValue.doubleValue() % 1 == 0) {
+				setText(String.valueOf(newValue.intValue()));
+			} else {
+				setText(String.valueOf(newValue.doubleValue()));
+			}
+		});
+
+		textProperty().addListener((obs, o, newText) -> {
+			if (Calc.isNumber(newText)) {
+				if (getDouble() % 1 == 0) {
+					value.set(getInt());
+				} else {
+					value.set(getDouble());
+				}
+			}
+		});
+		addEventFilter(KeyEvent.KEY_PRESSED, e -> isBackSpace = e.getCode() == KeyCode.BACK_SPACE);
+		setTextFormatter(new TextFormatter<>(c -> {
+			String newText = c.getControlNewText();
+			if (!newText.equals("")) {
+				if (newText.equals("+") || newText.equals("-")) {
+					return c;
+				}
+				if (Calc.isNumber(newText)) {
+					if (isBackSpace && newText.endsWith(".")) {
+						c.setRange(c.getRangeStart() - 1, c.getRangeEnd());
+						return c;
+					}
+					return c;
+				} else {
+					return null;
+				}
+			} else {
+				return c;
+			}
+		}));
+	}
+
+	/**
+	 * 设置当前值
+	 *
+	 * @param number 当前值
+	 */
+	public void setValue(Number number) {
+		setText(String.valueOf(number));
+	}
+
+	/**
+	 * 获取为双精度浮点值
+	 *
+	 * @return 双精度浮点值
+	 */
+	public double getDouble() {
+		return getValue().doubleValue();
+	}
+
+	/**
+	 * 获取为长整值
+	 *
+	 * @return 长整值
+	 */
+	public long getLong() {
+		return getValue().longValue();
+	}
+
+	/**
+	 * 获取为短整值
+	 *
+	 * @return 短整值
+	 */
+	public int getInt() {
+		return getValue().intValue();
+	}
+
+	/**
+	 * 获取为单精度浮点值
+	 *
+	 * @return 单精度浮点值
+	 */
+	public float getFloat() {
+		return getValue().floatValue();
+	}
+
+	/**
+	 * 获取数字对象
+	 *
+	 * @return 数字对象
+	 */
+	public Number getValue() {
+		if (TimiJava.isEmpty(getText())) {
+			return null;
+		}
+		return Double.parseDouble(getText());
+	}
+
+	/**
+	 * 获取数值属性
+	 *
+	 * @return 数值属性
+	 */
+	public DoubleProperty valueProperty() {
+		return value;
+	}
+
+	/**
+	 * 设置值
+	 *
+	 * @param value 值
+	 */
+	public void setValue(double value) {
+		this.value.set(value);
+	}
+}