Added working ClearableTextField

additionally designed the clear button icon both in black and white

src/main/java/envoy/client/ui/ClearableTextField.java

@@ -0,0 +1,252 @@
+package envoy.client.ui;
+
+import javafx.beans.property.IntegerProperty;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.StringProperty;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.control.*;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.Background;
+import javafx.scene.layout.ColumnConstraints;
+import javafx.scene.layout.GridPane;
+import javafx.scene.text.Font;
+
+import envoy.client.data.Settings;
+
+/**
+ * This class offers a text field that is automatically equipped with a clear
+ * button.
+ * <p>
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>ClearableTextField.java</strong><br>
+ * Created: <strong>25.06.2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Envoy Client v0.1-beta
+ */
+@SuppressWarnings("javadoc")
+public class ClearableTextField extends GridPane {
+
+	private final TextField textField;
+
+	private final Button clearButton;
+
+	/**
+	 * Constructs a new {@code ClearableTextField} with no initial text and icon
+	 * size 16.
+	 *
+	 * @since Envoy Client v0.1-beta
+	 */
+	public ClearableTextField() { this("", 16); }
+
+	/**
+	 * Constructs a new {@code ClearableTextField} with initial text and a
+	 * predetermined icon size.
+	 *
+	 * @param text the text that should be displayed by default
+	 * @param size the size of the icon
+	 * @since Envoy Client v0.1-beta
+	 */
+	public ClearableTextField(String text, int size) {
+		// initializing the textField and the button
+		textField	= new TextField(text);
+		clearButton	= new Button("",
+				new ImageView(IconUtil.load(
+						Settings.getInstance().getCurrentTheme().equals("dark") ? "/icons/clear_button_white.png" : "/icons/clear_button_black.png",
+						size)));
+		clearButton.setOnAction(e -> textField.clear());
+		clearButton.getStyleClass().clear();
+		clearButton.setBackground(Background.EMPTY);
+		// Adding the two elements to the GridPane
+		add(textField, 0, 0, 2, 1);
+		add(clearButton, 1, 0, 1, 1);
+		// Setting the percent - widths of the two columns.
+		// Used to locate the button on the right.
+		final var columnConstraints = new ColumnConstraints();
+		columnConstraints.setPercentWidth(85);
+		getColumnConstraints().add(columnConstraints);
+		final var columnConstraints2 = new ColumnConstraints();
+		columnConstraints2.setPercentWidth(15);
+		columnConstraints2.setPrefWidth(size);
+		getColumnConstraints().add(columnConstraints2);
+		setAlignment(Pos.CENTER);
+		setHgap(10);
+		setVgap(10);
+		setPadding(new Insets(5, 5, 5, 5));
+		setMargin(clearButton, new Insets(5));
+	}
+
+	/**
+	 * @return the underlying {@code textField}
+	 * @since Envoy Client v0.1-beta
+	 */
+	public TextField getTextField() { return textField; }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextInputControl#fontProperty()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final ObjectProperty<Font> fontProperty() { return textField.fontProperty(); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextField#prefColumnCountProperty()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final IntegerProperty prefColumnCountProperty() { return textField.prefColumnCountProperty(); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextField#getPrefColumnCount()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final int getPrefColumnCount() { return textField.getPrefColumnCount(); }
+
+	/**
+	 * @param value
+	 * @see javafx.scene.control.TextField#setPrefColumnCount(int)
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final void setPrefColumnCount(int value) { textField.setPrefColumnCount(value); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.Control#skinProperty()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final ObjectProperty<Skin<?>> skinProperty() { return textField.skinProperty(); }
+
+	/**
+	 * @param value
+	 * @see javafx.scene.control.TextInputControl#setFont(javafx.scene.text.Font)
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final void setFont(Font value) { textField.setFont(value); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextInputControl#getFont()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final Font getFont() { return textField.getFont(); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextInputControl#promptTextProperty()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final StringProperty promptTextProperty() { return textField.promptTextProperty(); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextInputControl#getPromptText()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final String getPromptText() { return textField.getPromptText(); }
+
+	/**
+	 * @param value
+	 * @see javafx.scene.control.TextInputControl#setPromptText(java.lang.String)
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final void setPromptText(String value) { textField.setPromptText(value); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextInputControl#getText()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final String getText() { return textField.getText(); }
+
+	/**
+	 * @param value
+	 * @see javafx.scene.control.TextInputControl#setText(java.lang.String)
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final void setText(String value) { textField.setText(value); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.TextInputControl#textProperty()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final StringProperty textProperty() { return textField.textProperty(); }
+
+	/**
+	 * @param value
+	 * @see javafx.scene.control.TextInputControl#setEditable(boolean)
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final void setEditable(boolean value) { textField.setEditable(value); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.Control#tooltipProperty()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final ObjectProperty<Tooltip> tooltipProperty() { return textField.tooltipProperty(); }
+
+	/**
+	 * @param value
+	 * @see javafx.scene.control.Control#setTooltip(javafx.scene.control.Tooltip)
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final void setTooltip(Tooltip value) { textField.setTooltip(value); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.Control#getTooltip()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final Tooltip getTooltip() { return textField.getTooltip(); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.Control#contextMenuProperty()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final ObjectProperty<ContextMenu> contextMenuProperty() { return textField.contextMenuProperty(); }
+
+	/**
+	 * @param value
+	 * @see javafx.scene.control.Control#setContextMenu(javafx.scene.control.ContextMenu)
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final void setContextMenu(ContextMenu value) { textField.setContextMenu(value); }
+
+	/**
+	 * @return
+	 * @see javafx.scene.control.Control#getContextMenu()
+	 * @since Envoy Client v0.1-beta
+	 */
+	public final ContextMenu getContextMenu() { return textField.getContextMenu(); }
+
+	/**
+	 * @param minWidth
+	 * @param minHeight
+	 * @see javafx.scene.layout.Region#setMinSize(double, double)
+	 * @since Envoy Client v0.1-beta
+	 */
+	@Override
+	public void setMinSize(double minWidth, double minHeight) { textField.setMinSize(minWidth, minHeight); }
+
+	/**
+	 * @param prefWidth
+	 * @param prefHeight
+	 * @see javafx.scene.layout.Region#setPrefSize(double, double)
+	 * @since Envoy Client v0.1-beta
+	 */
+	@Override
+	public void setPrefSize(double prefWidth, double prefHeight) { textField.setPrefSize(prefWidth, prefHeight); }
+
+	/**
+	 * @param maxWidth
+	 * @param maxHeight
+	 * @see javafx.scene.layout.Region#setMaxSize(double, double)
+	 * @since Envoy Client v0.1-beta
+	 */
+	@Override
+	public void setMaxSize(double maxWidth, double maxHeight) { textField.setMaxSize(maxWidth, maxHeight); }
+}