net.ulrice.databinding.viewadapter.utable.ExpandColapsePanel Maven / Gradle / Ivy

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package net.ulrice.databinding.viewadapter.utable;

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JPanel;

/**
 * Panel for expanding an collapsing all tree nodes
 * It is used in the table header
 * 
 * @author rad
 *
 */
public class ExpandColapsePanel extends JPanel {

    private static final long serialVersionUID = 1L;
    
    private boolean expanded = false;
    
    public ExpandColapsePanel(final ExpandColapseListener listener, boolean expanded) {
        setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));

        this.expanded = expanded;
        
        final JButton btnExpand = new JButton(expanded?"-":"+");
        btnExpand.setBorder(null);
        btnExpand.setPreferredSize(new Dimension(22, 22));
        btnExpand.setFont(btnExpand.getFont().deriveFont(10));
        
        this.setOpaque(false);
        add(btnExpand);
        btnExpand.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                btnExpand.setText(ExpandColapsePanel.this.expanded?"+":"-");
                if(ExpandColapsePanel.this.expanded){
                    listener.collapseAll();
                }else{
                    listener.expandAll();
                }
                ExpandColapsePanel.this.expanded = !ExpandColapsePanel.this.expanded;
            }
        });

    }
    

    public ExpandColapsePanel(final ExpandColapseListener listener) {
        setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));

        JButton btnExpand = new JButton("+");
        btnExpand.setBorder(null);
        btnExpand.setPreferredSize(new Dimension(22, 22));
        btnExpand.setFont(btnExpand.getFont().deriveFont(10));
        
        this.setOpaque(false);
        add(btnExpand);
        btnExpand.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                listener.expandAll();

            }
        });

        JButton btnCollapse = new JButton("-");  
        btnCollapse.setBorder(null);
        btnCollapse.setPreferredSize(new Dimension(22, 22));
        btnCollapse.setFont(btnExpand.getFont().deriveFont(10));
        btnCollapse.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                listener.collapseAll();
            }
        });
        add(btnCollapse);
    }

}