goodscategoryediter.java.svn-base

Store Manager

/*
 * GoodsCategoryEditer.java
 *
 * Created on 2007年6月5日, 下午7:13
 */

package com.studio009.store.ui;

import com.studio009.store.StoreApp;
import com.studio009.store.entity.GoodsCategory;
import javax.beans.binding.BindingContext;
import javax.persistence.EntityManager;
import javax.swing.JOptionPane;

/**
 * 编辑商品分类的对话框
 * @author  wangs
 */
public class GoodsCategoryEditer extends javax.swing.JDialog {
    
    /** Creates new form GoodsCategoryEditer
     * @param parent 父窗口
     * @param goodsCategoryID 商品分类的ID
     * @param modal 模式
     */
    public GoodsCategoryEditer(java.awt.Window parent, int goodsCategoryID, boolean modal) {
        super(parent, java.awt.Dialog.ModalityType.APPLICATION_MODAL);
        
        //初始化goodCategory
        em = StoreApp.getEntityManagerFactory().createEntityManager();
        goodsCategory = em.find(GoodsCategory.class, goodsCategoryID);
        if (goodsCategory == null) {
            goodsCategory = new GoodsCategory();
            em.persist(goodsCategory);
            this.setTitle("新建商品分类");
        }
        if (goodsCategory.getGoodsCategoryName() == null)
            goodsCategory.setGoodsCategoryName("");
        initComponents();
        
        // 绑定goodsCategory 到控件上
        BindingContext bindingContext = new BindingContext();
        bindingContext.addBinding(goodsCategory, "${goodsCategoryName}", jTextField1, "text");
        bindingContext.bind();
        
        // 打开实体管理器的事务
        em.getTransaction().begin();
        
        //设置对话框居中
        this.setLocationRelativeTo(parent);
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        okButton = new javax.swing.JButton();
        cancelButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("\u7f16\u8f91\u5546\u54c1\u5206\u7c7b\u4fe1\u606f");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosed(java.awt.event.WindowEvent evt) {
                formWindowClosed(evt);
            }
        });

        jLabel1.setText("\u5546\u54c1\u5206\u7c7b\u540d\u79f0:");

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(22, 22, 22)
                .addComponent(jLabel1)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 167, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(28, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        okButton.setText("\u786e\u5b9a");
        okButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                okButtonActionPerformed(evt);
            }
        });

        cancelButton.setText("\u53d6\u6d88");
        cancelButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancelButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addContainerGap())
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(okButton, javax.swing.GroupLayout.PREFERRED_SIZE, 77, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(26, 26, 26)
                        .addComponent(cancelButton, javax.swing.GroupLayout.PREFERRED_SIZE, 84, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(27, 27, 27))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(okButton, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(cancelButton, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(23, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents
    
private void formWindowClosed(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowClosed
    if (em.isOpen()) em.close();
}//GEN-LAST:event_formWindowClosed

private void cancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelButtonActionPerformed
    this.dispose();
}//GEN-LAST:event_cancelButtonActionPerformed

private void okButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okButtonActionPerformed
    if (goodsCategory.getGoodsCategoryName() == null
            || goodsCategory.getGoodsCategoryName().length() == 0) {
        JOptionPane.showMessageDialog(this, "商品目录名不能为空!", "错误", JOptionPane.ERROR_MESSAGE);
        return;
    }
//    Query q = em.createNamedQuery("GoodsCategory.findByGoodsCategoryName");
//    q.setParameter("goodsCategoryName", goodsCategory.getGoodsCategoryName());
//    if (q.getResultList().size() > 1) {
//        javax.swing.JOptionPane.showMessageDialog(this, goodsCategory.getGoodsCategoryName() + " 已经存在了!");
//        this.dispose();
//        return;
//    }
//    
    try {
        em.getTransaction().commit();
    } catch (Exception e) {
        JOptionPane.showMessageDialog(this, "商品分类已存在!");
        em.getTransaction().begin();
    }
    this.dispose();
}//GEN-LAST:event_okButtonActionPerformed

//     class Handler implements Runnable {
//
//         private Window window;
//         
//         public Handler(Window window) {
//            this.window = window;
//         }
//         public void run() {
//             window.dispose();
//         }
//
//     }



/**
 * @param args the command line arguments
 */
public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            GoodsCategoryEditer dialog = new GoodsCategoryEditer(new javax.swing.JFrame(), 0, true);
            dialog.addWindowListener(new java.awt.event.WindowAdapter() {
                public void windowClosing(java.awt.event.WindowEvent e) {
                    System.exit(0);
                }
            });
            dialog.setVisible(true);
        }
    });
}

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton cancelButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JButton okButton;
    // End of variables declaration//GEN-END:variables
    EntityManager em;
    GoodsCategory goodsCategory;
}