scrollablepopupdemo.java

卷动弹出菜单,用java编出的非常棒极了的效果,可以试试看

        jMenuItem6.setText("Item");
        jMenu5.add(jMenuItem6);

        jRadioButtonMenuItem7.setText("RadioButton");
        jMenu5.add(jRadioButtonMenuItem7);

        jMenu4.add(jMenu5);

        jMenuItem7.setText("Item");
        jMenu4.add(jMenuItem7);

        jRadioButtonMenuItem2.setText("RadioButton");
        jMenu4.add(jRadioButtonMenuItem2);

        jMenuItem8.setText("Item");
        jMenu4.add(jMenuItem8);

        jRadioButtonMenuItem3.setText("RadioButton");
        jMenu4.add(jRadioButtonMenuItem3);

        jMenu1.add(jMenu4);

        jMenuItem9.setText("Item");
        jMenu1.add(jMenuItem9);

        jMenu1.add(jSeparator3);

        jMenuItem10.setText("Item");
        jMenu1.add(jMenuItem10);

        jMenuBar1.add(jMenu1);

        jMenu2.setText("Menu");
        jMenuItem11.setText("Item");
        jMenu2.add(jMenuItem11);

        jMenuItem12.setText("Item");
        jMenu2.add(jMenuItem12);

        jMenuItem13.setText("Item");
        jMenu2.add(jMenuItem13);

        jMenu6.setText("Menu");
        jMenuItem14.setText("Item");
        jMenu6.add(jMenuItem14);

        jMenuItem15.setText("Item");
        jMenu6.add(jMenuItem15);

        jMenuItem16.setText("Item");
        jMenu6.add(jMenuItem16);

        jRadioButtonMenuItem6.setText("RadioButton");
        jMenu6.add(jRadioButtonMenuItem6);

        jCheckBoxMenuItem6.setText("CheckBox");
        jMenu6.add(jCheckBoxMenuItem6);

        jMenu6.add(jSeparator5);

        jMenuItem21.setText("Item");
        jMenu6.add(jMenuItem21);

        jMenu2.add(jMenu6);

        jMenuItem17.setText("Item");
        jMenu2.add(jMenuItem17);

        jRadioButtonMenuItem5.setText("RadioButton");
        jMenu2.add(jRadioButtonMenuItem5);

        jCheckBoxMenuItem4.setText("CheckBox");
        jMenu2.add(jCheckBoxMenuItem4);

        jCheckBoxMenuItem5.setText("CheckBox");
        jMenu2.add(jCheckBoxMenuItem5);

        jMenuBar1.add(jMenu2);

        jMenu3.setText("Menu");
        jMenuItem18.setText("Item");
        jMenu3.add(jMenuItem18);

        jMenuItem19.setText("Item");
        jMenu3.add(jMenuItem19);

        jMenuItem20.setText("Item");
        jMenu3.add(jMenuItem20);

        jRadioButtonMenuItem4.setText("RadioButton");
        jMenu3.add(jRadioButtonMenuItem4);

        jMenu3.add(jSeparator4);

        jCheckBoxMenuItem3.setText("CheckBox");
        jMenu3.add(jCheckBoxMenuItem3);

        jMenuBar1.add(jMenu3);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jDesktopPane1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 478, Short.MAX_VALUE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jComboBox1, 0, 478, Short.MAX_VALUE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jCheckBox1, javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jCheckBox2, javax.swing.GroupLayout.Alignment.LEADING))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel2)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jLabel1)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jCheckBox1)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jCheckBox2)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jDesktopPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 305, Short.MAX_VALUE)
                .addContainerGap())
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents
    
    private void jCheckBox2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jCheckBox2ActionPerformed
        setPopupFactory();
    }//GEN-LAST:event_jCheckBox2ActionPerformed
    
    private void jCheckBox1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jCheckBox1ActionPerformed
        setPopupFactory();
    }//GEN-LAST:event_jCheckBox1ActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception ex) {}
        //设置自定义的PopupFactory，注意纵横都扩展，可以改变布尔值只横向或纵向扩展，或者没有动画
        PopupFactory.setSharedInstance(new ScrollablePopupFactory(true, true));
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                new ScrollablePopupDemo().setVisible(true);
            }
        });
    }
    
    private void setPopupFactory() {
        PopupFactory.setSharedInstance(new ScrollablePopupFactory(jCheckBox1.isSelected(), jCheckBox2.isSelected()));
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JCheckBox jCheckBox1;
    private javax.swing.JCheckBox jCheckBox2;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem1;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem2;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem3;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem4;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem5;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem6;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem7;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem8;
    private javax.swing.JCheckBoxMenuItem jCheckBoxMenuItem9;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JDesktopPane jDesktopPane1;
    private javax.swing.JInternalFrame jInternalFrame1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenu jMenu2;
    private javax.swing.JMenu jMenu3;
    private javax.swing.JMenu jMenu4;
    private javax.swing.JMenu jMenu5;
    private javax.swing.JMenu jMenu6;
    private javax.swing.JMenu jMenu7;
    private javax.swing.JMenu jMenu8;
    private javax.swing.JMenu jMenu9;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JMenuBar jMenuBar2;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JMenuItem jMenuItem10;
    private javax.swing.JMenuItem jMenuItem11;
    private javax.swing.JMenuItem jMenuItem12;
    private javax.swing.JMenuItem jMenuItem13;
    private javax.swing.JMenuItem jMenuItem14;
    private javax.swing.JMenuItem jMenuItem15;
    private javax.swing.JMenuItem jMenuItem16;
    private javax.swing.JMenuItem jMenuItem17;
    private javax.swing.JMenuItem jMenuItem18;
    private javax.swing.JMenuItem jMenuItem19;
    private javax.swing.JMenuItem jMenuItem2;
    private javax.swing.JMenuItem jMenuItem20;
    private javax.swing.JMenuItem jMenuItem21;
    private javax.swing.JMenuItem jMenuItem22;
    private javax.swing.JMenuItem jMenuItem23;
    private javax.swing.JMenuItem jMenuItem24;
    private javax.swing.JMenuItem jMenuItem25;
    private javax.swing.JMenuItem jMenuItem26;
    private javax.swing.JMenuItem jMenuItem27;
    private javax.swing.JMenuItem jMenuItem28;
    private javax.swing.JMenuItem jMenuItem29;
    private javax.swing.JMenuItem jMenuItem3;
    private javax.swing.JMenuItem jMenuItem30;
    private javax.swing.JMenuItem jMenuItem31;
    private javax.swing.JMenuItem jMenuItem4;
    private javax.swing.JMenuItem jMenuItem5;
    private javax.swing.JMenuItem jMenuItem6;
    private javax.swing.JMenuItem jMenuItem7;
    private javax.swing.JMenuItem jMenuItem8;
    private javax.swing.JMenuItem jMenuItem9;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem1;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem10;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem2;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem3;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem4;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem5;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem6;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem7;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem8;
    private javax.swing.JRadioButtonMenuItem jRadioButtonMenuItem9;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JSeparator jSeparator2;
    private javax.swing.JSeparator jSeparator3;
    private javax.swing.JSeparator jSeparator4;
    private javax.swing.JSeparator jSeparator5;
    private javax.swing.JSeparator jSeparator6;
    // 变量声明结束//GEN-END:variables
    
}