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90 lines
2.8 KiB
Java
90 lines
2.8 KiB
Java
Drag n Drop JLabel from JToolBar
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import java.awt.*;
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import javax.swing.*;
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import java.awt.event.*;
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import javax.swing.event.*;
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import java.awt.dnd.*;
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import javax.swing.border.*;
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public class DragDrop1 extends JFrame
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{
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JPanel tpan = new JPanel();
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JToolBar fpan = new JToolBar();
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Cursor dc = new Cursor(Cursor.DEFAULT_CURSOR);
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Cursor yd = DragSource.DefaultMoveDrop;
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Point mp;
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public DragDrop1()
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{
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super(" From .......> To");
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addWindowListener(new WindowAdapter()
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{
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public void windowClosing(WindowEvent ev)
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{
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dispose();
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System.exit(0);
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}
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});
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setBounds(10,10,650,450);
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fpan.setPreferredSize(new Dimension(1,26));
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fpan.setBorder(BorderFactory.createRaisedBevelBorder());
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tpan.setLayout(null);
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getContentPane().add("North",fpan);
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getContentPane().add("Center",tpan);
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add_comp(new JLabel(" D1 "),Color.red);
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add_comp(new JLabel(" D2 "),Color.green);
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setVisible(true);
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}
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private void add_comp(JLabel l, Color c)
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{
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fpan.addSeparator();
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l.setOpaque(true);
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l.setHorizontalAlignment(SwingConstants.CENTER);
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l.setForeground(Color.black);
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l.setBackground(c);
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fpan.add(l);
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mak_lis(l);
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}
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private void mak_lis(final JLabel l)
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{
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l.addMouseListener(new MouseAdapter()
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{
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public void mousePressed(MouseEvent m)
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{
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setCursor(yd);
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l.setBorder(new MatteBorder(1,1,1,1,Color.black));
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}
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public void mouseReleased(MouseEvent m)
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{
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l.setBorder(null);
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setCursor(dc);
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int x = m.getX()+l.getX();
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int y = m.getY()+l.getY()-tpan.getY();
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if (y > 0 && x > 0 && y < tpan.getHeight() && x < tpan.getWidth())
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{
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tpan.add(new_lab(l,x,y));
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tpan.repaint();
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}
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}
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});
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}
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private Component new_lab(JLabel co, int x, int y) //function to draw label in new posn
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{
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JLabel label = new JLabel(co.getText());
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label.setOpaque(true);
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label.setHorizontalAlignment(SwingConstants.CENTER);
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label.setForeground(co.getForeground());
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label.setBackground(co.getBackground());
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label.setBounds(x,y,co.getWidth(),co.getHeight());
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return(label);
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}
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public static void main (String[] args)
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{
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new DragDrop1();
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}
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}
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