design/designer-base/src/main/java/com/fr/design/gui/ilable/ActionLabel.java

package com.fr.design.gui.ilable;

import javax.swing.event.MouseInputAdapter;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;

/**
 * Action label
 */
public class ActionLabel extends UILabel {
    private ActionListener actionListener;
    private Color color;
    // 文字是否有下划线
    private boolean drawUnderLine = true;

    public ActionLabel(String text) {
        this(text, Color.blue);
    }

    public ActionLabel(String text, boolean drawUnderLine) {
        this(text, Color.blue);
        this.drawUnderLine = drawUnderLine;
    }

    public ActionLabel(String text, Color color) {
        super(text);
        this.color = color;
        this.setForeground(color);
        this.addMouseListener(mouseInputAdapter);
        this.addMouseMotionListener(mouseInputAdapter);
    }

    public void addActionListener(ActionListener actionListener) {
        this.actionListener = actionListener;
    }

    /**
     * Repaints the text.
     */
    @Override
    public void paintComponent(Graphics _gfx) {
        super.paintComponent(_gfx);

        _gfx.setColor(this.color);
        if (drawUnderLine) {
            _gfx.drawLine(0, this.getHeight() - 1, this.getWidth(), this.getHeight() - 1);
        }
    }

    private MouseInputAdapter mouseInputAdapter = new MouseInputAdapter() {
        @Override
        public void mouseClicked(MouseEvent e) {
            //do nothing
        }

        @Override
        public void mousePressed(MouseEvent e) {
            //do nothing
        }

        @Override
        public void mouseReleased(MouseEvent evt) {
            Object source = evt.getSource();

            if (source instanceof UILabel) {
                //Action.
                if (actionListener != null) {
                    ActionEvent actionEvent = new ActionEvent(source, 99, "");
                    actionListener.actionPerformed(actionEvent);
                }
            }
        }

        public void mouseEntered(MouseEvent evt) {
            Object source = evt.getSource();

            if (source instanceof UILabel) {
                ((UILabel) source).setCursor(new Cursor(Cursor.HAND_CURSOR));
            }
        }

        @Override
        public void mouseExited(MouseEvent evt) {
            Object source = evt.getSource();

            if (source instanceof UILabel) {
                ((UILabel) source).setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
            }
        }

        @Override
        public void mouseDragged(MouseEvent e) {
        }

        public void mouseMoved(MouseEvent evt) {
            Object source = evt.getSource();

            if (source instanceof UILabel) {
                ((UILabel) source).setCursor(new Cursor(Cursor.HAND_CURSOR));
            }
        }
    };

    public boolean isDrawUnderLine() {
        return drawUnderLine;
    }

    public void setDrawUnderLine(boolean drawUnderLine) {
        this.drawUnderLine = drawUnderLine;
    }
}