goodscategoryjdialog.java.svn-base

Store Manager

/*
 * GoodsCategoryJDialog.java
 *
 * Created on 2007年6月5日, 下午11:38
 */

package com.studio009.store.ui;

import com.studio009.store.StoreApp;
import com.studio009.store.entity.GoodsCategory;
import java.util.List;
import java.util.Vector;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;

/**
 * 商品分类操作对话框
 * 列出所有的商品分类
 * @author  wangs
 */
public class GoodsCategoryJDialog extends javax.swing.JDialog {
    
    /** Creates new form GoodsCategoryJDialog
     * @param parent 父窗口
     * @param modal 模式
     */
    public GoodsCategoryJDialog(java.awt.Window parent, boolean modal) {
        super(parent, java.awt.Dialog.ModalityType.APPLICATION_MODAL);
        initComponents();
        
        // 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() {

        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("\u5546\u54c1\u5206\u7c7b\u7ba1\u7406");

        jButton1.setText("\u7f16\u8f91");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("\u65b0\u5efa");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setText("\u5220\u9664");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton4.setText("\u9000\u51fa");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jTable1.setModel(initialTableModel());
        jScrollPane1.setViewportView(jTable1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 517, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addGap(26, 26, 26)
                        .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 107, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(27, 27, 27)
                        .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 101, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(26, 26, 26)
                        .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 108, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(26, 26, 26)
                        .addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 108, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, 77, Short.MAX_VALUE)
                    .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 76, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 76, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 231, Short.MAX_VALUE)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents
    
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
    this.dispose();
}//GEN-LAST:event_jButton4ActionPerformed

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
    if (jTable1.getSelectedRow() == -1) {
        JOptionPane.showMessageDialog(this, "请选择一个商品分类!", "错误", JOptionPane.ERROR_MESSAGE);
        return;
    }
    int [] selected = jTable1.getSelectedRows();
    
    String Names = "";
    for (int i = selected.length - 1; i>= 0; i--) {
        Names += " \"" + list.get(selected[i]).getGoodsCategoryName() + "\"";
    }
    int result = JOptionPane.showConfirmDialog(this, "确定要删除" + Names + " 吗?", "", JOptionPane.YES_NO_OPTION);
    if (result != JOptionPane.OK_OPTION) return;
    
    if (list.size() == 1) {
        JOptionPane.showMessageDialog(this, "不能删除,至少要保留一个商品目录!");
        return;
    }
    
    for (int i = selected.length - 1; i >= 0; i--) {
        GoodsCategory gc = list.get(selected[i]);
        if (gc.getGoodsCollection() == null || gc.getGoodsCollection().isEmpty()){
            em.remove(gc);
        } else {
            JOptionPane.showMessageDialog(this, gc.getGoodsCategoryName() + " 已经发生了业务,不能删除!");
        }
    }
    try{
        em.getTransaction().commit();
    } catch (Exception e) {
        JOptionPane.showMessageDialog(this, "错误!");
        em.getTransaction().rollback();
    }
    em.getTransaction().begin();
    updateTable();
}//GEN-LAST:event_jButton3ActionPerformed

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
    GoodsCategoryEditer oe = new GoodsCategoryEditer(this, 0, true);
    oe.setVisible(true);
    updateTable();
}//GEN-LAST:event_jButton2ActionPerformed

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
    if (jTable1.getSelectedRow() == -1) {
        JOptionPane.showMessageDialog(this, "请选择一个商品分类!", "错误", JOptionPane.ERROR_MESSAGE);
        return;
    }
    GoodsCategoryEditer ge = new GoodsCategoryEditer(this, list.get(jTable1.getSelectedRow()).getGoodsCategoryID(), true);
    ge.setVisible(true);
    updateTable();
}//GEN-LAST:event_jButton1ActionPerformed

/**
 * 用来显示商品分类的表格模型
 * @return 用来显示商品分类的表格模型
 */
private DefaultTableModel initialTableModel() {
    if (em != null) em.close();
    em = StoreApp.getEntityManagerFactory().createEntityManager();
    em.getTransaction().begin();
    query = em.createQuery("SELECT g FROM GoodsCategory g");
    list = query.getResultList();
    Vector columnName=new Vector();
    //columnName.add("商品分类ID");
    columnName.add("商品分类名称");
    Vector content=new Vector();
    for( GoodsCategory g : list) {
        Vector row = new Vector();
        //row.add(g.getGoodsCategoryID());
        row.add(g.getGoodsCategoryName());
        content.add(row);
    }
    DefaultTableModel goodsCategoryTableModel=new DefaultTableModel(content,columnName){
        public boolean isCellEditable(int row, int col) {
            return false;
        }
    };
    return goodsCategoryTableModel;
}

/**
 * 更新表格
 */
private void updateTable(){
    jTable1.setModel(initialTableModel());
}

/**
 * @param args the command line arguments
 */
public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            GoodsCategoryJDialog dialog = new GoodsCategoryJDialog(new javax.swing.JFrame(), 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 jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JButton jButton4;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    // End of variables declaration//GEN-END:variables
    private EntityManager em;
    private Query query;
    private List<GoodsCategory> list;
}