src/cppcheckplus/control/MyListSplitListener.java


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package cppcheckplus.control;

import java.awt.Dimension;
import java.awt.Point;
import java.awt.event.MouseEvent;
import javax.swing.JComponent;
import javax.swing.event.MouseInputAdapter;


public class MyListSplitListener extends MouseInputAdapter {
    protected Point lastPoint;
    protected MyHeader header;

    public MyListSplitListener(MyHeader header) {
        lastPoint = null;
        this.header = null;
        this.header = header;
    }

    public void mousePressed(MouseEvent e) {
        if (!header.isShrinked()) {
            lastPoint = e.getPoint();
        }
    }

    public void mouseReleased(MouseEvent e) {
        lastPoint = null;
    }

    public void mouseDragged(MouseEvent e) {
        if (!header.isShrinked() && lastPoint != null) {
            JComponent parent = (JComponent) header.getParent();
            Dimension size = parent.getPreferredSize();
            Point thisPoint = e.getPoint();
            int xMovement = thisPoint.x - lastPoint.x;
            size.width -= xMovement;
            size.width = Math.max(size.width, 37);
            parent.setPreferredSize(size);
            header.revalidateParent();
        }
    }

}