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ManageSortDialog.java
资源名称：MapModule.rar　[点击查看]
上传用户：njlgjx
上传日期：2022-08-07
资源大小：9105k
文件大小：13k
源码类别：

图形图象

开发平台：

Java

ManageSortDialog.java：源码内容
  1. /*
  2.  * ManageSortDialog.java
  3.  *
  4.  * Created on 2008年7月9日, 上午10:22
  5.  */
  6. package com.mwq.map.frame;
  8. import com.mwq.map.dao.Dao;
  9. import com.mwq.map.mwing.MTreeNode;
  10. import com.mwq.map.tool.ScreenSize;
  11. import java.util.Iterator;
  12. import java.util.Vector;
  13. import javax.swing.JList;
  14. import javax.swing.JOptionPane;
  15. import javax.swing.JSlider;
  16. import javax.swing.tree.DefaultTreeModel;
  17. import javax.swing.tree.TreePath;
  19. /**
  20.  *
  21.  * @author  Administrator
  22.  */
  23. public class ManageSortDialog extends javax.swing.JDialog {
  25.     private Dao dao = Dao.getInstance();
  26.     private DefaultTreeModel treeModel;
  27.     private JSlider slider;
  28.     private JList list;
  30.     /** Creates new form ManageSortDialog2 */
  31.     public ManageSortDialog(java.awt.Frame parent, boolean modal, JSlider slider, JList list) {
  32.         super(parent, modal);
  33.         this.slider = slider;
  34.         this.list = list;
  35.         initComponents();
  36.         initTree();
  37.         setBounds((ScreenSize.getWidth() - getWidth()) / 2, (ScreenSize.getHeight() - getHeight()) / 2, getWidth(), getHeight());
  38.     }
  40.     private void initTree() {
  41.         MTreeNode root = new MTreeNode("Sort");
  42.         loadChildNode(root);
  43.         treeModel = new DefaultTreeModel(root, true);
  44.         sortTree.setModel(treeModel);
  45.     }
  47.     public void loadChildNode(MTreeNode node) {
  48.         Vector sorts = dao.selectChildSortByFatherId(node.getId());
  49.         for (Iterator it = sorts.iterator(); it.hasNext();) {
  50.             Vector sort = (Vector) it.next();
  51.             node.add(new MTreeNode((Integer) sort.get(0), sort.get(2)));
  52.         }
  53.         node.setLoad(true);
  54.     }
  56.     private String getAlbumName(int fatherId, String title, String message) {
  57.         String name = null;
  58.         while (name == null) {
  59.             name = JOptionPane.showInputDialog(this, message, title, JOptionPane.INFORMATION_MESSAGE);
  60.             if (name == null) {
  61.                 break;
  62.             } else {
  63.                 if (name.length() == 0) {
  64.                     JOptionPane.showMessageDialog(this, "请输入类别名称！", "友情提示", JOptionPane.INFORMATION_MESSAGE);
  65.                     name = null;
  66.                 } else {
  67.                     Object node = dao.selectOnlyValue("select id from tb_sort where father_id=" + fatherId + " and name='" + name + "'");
  68.                     if (node != null) {
  69.                         JOptionPane.showMessageDialog(this, "该类别名称已经存在！", "友情提示", JOptionPane.INFORMATION_MESSAGE);
  70.                         name = null;
  71.                     }
  72.                 }
  73.             }
  74.         }
  75.         return name;
  76.     }
  78.     /** This method is called from within the constructor to
  79.      * initialize the form.
  80.      * WARNING: Do NOT modify this code. The content of this method is
  81.      * always regenerated by the Form Editor.
  82.      */
  83.     @SuppressWarnings("unchecked")
  84.     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
  85.     private void initComponents() {
  87.         jToolBar1 = new javax.swing.JToolBar();
  88.         addButton = new javax.swing.JButton();
  89.         updButton = new javax.swing.JButton();
  90.         delButton = new javax.swing.JButton();
  91.         cancelChooseButton = new javax.swing.JButton();
  92.         scrollPane = new javax.swing.JScrollPane();
  93.         sortTree = new javax.swing.JTree();
  95.         setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
  96.         setTitle("维护类别");
  98.         jToolBar1.setFloatable(false);
  99.         jToolBar1.setRollover(true);
  101.         addButton.setText("添加类别");
  102.         addButton.setFocusable(false);
  103.         addButton.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
  104.         addButton.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
  105.         addButton.addActionListener(new java.awt.event.ActionListener() {
  107.             public void actionPerformed(java.awt.event.ActionEvent evt) {
  108.                 addButtonActionPerformed(evt);
  109.             }
  110.         });
  111.         jToolBar1.add(addButton);
  113.         updButton.setText("修改类别");
  114.         updButton.setFocusable(false);
  115.         updButton.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
  116.         updButton.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
  117.         updButton.addActionListener(new java.awt.event.ActionListener() {
  119.             public void actionPerformed(java.awt.event.ActionEvent evt) {
  120.                 updButtonActionPerformed(evt);
  121.             }
  122.         });
  123.         jToolBar1.add(updButton);
  125.         delButton.setText("删除类别");
  126.         delButton.setFocusable(false);
  127.         delButton.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
  128.         delButton.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
  129.         delButton.addActionListener(new java.awt.event.ActionListener() {
  131.             public void actionPerformed(java.awt.event.ActionEvent evt) {
  132.                 delButtonActionPerformed(evt);
  133.             }
  134.         });
  135.         jToolBar1.add(delButton);
  137.         cancelChooseButton.setText("取消选择");
  138.         cancelChooseButton.setFocusable(false);
  139.         cancelChooseButton.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
  140.         cancelChooseButton.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
  141.         cancelChooseButton.addActionListener(new java.awt.event.ActionListener() {
  143.             public void actionPerformed(java.awt.event.ActionEvent evt) {
  144.                 cancelChooseButtonActionPerformed(evt);
  145.             }
  146.         });
  147.         jToolBar1.add(cancelChooseButton);
  149.         getContentPane().add(jToolBar1, java.awt.BorderLayout.PAGE_START);
  151.         scrollPane.setPreferredSize(new java.awt.Dimension(290, 220));
  153.         sortTree.setRootVisible(false);
  154.         sortTree.setShowsRootHandles(true);
  155.         sortTree.addTreeWillExpandListener(new javax.swing.event.TreeWillExpandListener() {
  157.             public void treeWillCollapse(javax.swing.event.TreeExpansionEvent evt) throws javax.swing.tree.ExpandVetoException {
  158.             }
  160.             public void treeWillExpand(javax.swing.event.TreeExpansionEvent evt) throws javax.swing.tree.ExpandVetoException {
  161.                 sortTreeTreeWillExpand(evt);
  162.             }
  163.         });
  164.         scrollPane.setViewportView(sortTree);
  166.         getContentPane().add(scrollPane, java.awt.BorderLayout.CENTER);
  168.         pack();
  169.     }// </editor-fold>//GEN-END:initComponents
  171.     private void addButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addButtonActionPerformed
  172. // TODO add your handling code here:
  174.         MTreeNode lastSelectedNode =
  175.                 (MTreeNode) sortTree.getLastSelectedPathComponent();// 获得选中节点对象
  177.         int fatherId = (lastSelectedNode == null ? 0 : lastSelectedNode.getId());// 定义父类别ID
  179.         String albumName = getAlbumName(fatherId, "添加类别", "请输入类别名称：");// 获得添加类别名称
  181.         if (albumName != null) {// 输入了类别名称
  183.             int id = dao.insertSort(fatherId, albumName);// 添加到数据库
  185.             if (lastSelectedNode == null) {// 未选中任何节点
  187.                 MTreeNode root = (MTreeNode) treeModel.getRoot();// 获得树的根节点
  189.                 root.add(new MTreeNode(id, albumName));// 添加子节点
  191.                 treeModel.reload();// 重新加载树模型
  193.             } else {// 存在选中的节点
  195.                 TreePath selectionPath = sortTree.getSelectionPath();// 获得选中节点路径对象
  197.                 if (!sortTree.isExpanded(selectionPath)) {// 该节点尚未展开
  199.                     sortTree.expandPath(selectionPath);// 展开节点
  201.                 } else {// 该节点已经展开
  203.                     lastSelectedNode.add(new MTreeNode(id, albumName));// 添加子节点
  205.                     treeModel.reload(lastSelectedNode);// 重新加载指定节点
  207.                 }
  208.             }
  209.         }
  210.     }//GEN-LAST:event_addButtonActionPerformed
  212.     private void updButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_updButtonActionPerformed
  213. // TODO add your handling code here:
  215.         MTreeNode lastSelectedNode =
  216.                 (MTreeNode) sortTree.getLastSelectedPathComponent();// 获得选中节点对象
  218.         if (lastSelectedNode == null) {// 未选中任何节点
  220.             JOptionPane.showMessageDialog(this, "请选择要修改的类别！", "友情提示",
  221.                     JOptionPane.INFORMATION_MESSAGE);// 弹出提示框
  223.         } else {// 存在选中的节点
  225.             String albumName = getAlbumName(lastSelectedNode.getId(), "修改类别", "请输入类别“" +
  226.                     lastSelectedNode.getUserObject() + "”的新名称：");// 获得修改后的名称
  228.             if (albumName != null) {// 输入了类别名称
  230.                 dao.updateSortNameById(lastSelectedNode.getId(), albumName);// 保存到数据库
  232.                 lastSelectedNode.setUserObject(albumName);// 修改节点的用户标签
  234.                 treeModel.reload(lastSelectedNode);// 重新加载该节点
  236.             }
  237.         }
  238.     }//GEN-LAST:event_updButtonActionPerformed
  240.     private void delButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_delButtonActionPerformed
  241. // TODO add your handling code here:
  243.         MTreeNode lastSelectedNode =
  244.                 (MTreeNode) sortTree.getLastSelectedPathComponent();// 获得选中节点对象
  246.         if (lastSelectedNode == null) {// 未选中任何节点
  248.             JOptionPane.showMessageDialog(this, "请选择要删除的类别！", "友情提示",
  249.                     JOptionPane.INFORMATION_MESSAGE);// 弹出提示框
  251.         } else {// 存在选中的节点
  253.             String[] infos = {"如果删除该类别，将同时删除其包含的", "所有类别，以及属于这些类别的标记！", "", "确定要删除类别“" + lastSelectedNode.getUserObject() + "”？"};// 定义确认删除提示信息
  255.             int i = JOptionPane.showConfirmDialog(this, infos, "友情提示",
  256.                     JOptionPane.YES_NO_OPTION);// 弹出提示框
  258.             if (i == 0) {// 确认删除
  260.                 dao.deleteSortById(lastSelectedNode.getId());// 从数据库中删除
  262.                 list.setModel(new javax.swing.AbstractListModel() {
  264.                     public int getSize() {
  265.                         return 0;
  266.                     }
  268.                     public Object getElementAt(int i) {
  269.                         return null;
  270.                     }
  271.                 });// 清空查询结果列表
  273.                 slider.setValue(slider.getValue() + 1);// 触发滑块事件
  275.                 MTreeNode parentNode = (MTreeNode) lastSelectedNode.getParent();// 获得删除节点的父节点
  277.                 parentNode.remove(lastSelectedNode);// 移除该节点
  279.                 treeModel.reload(parentNode);// 重新加载父节点
  281.             }
  282.         }
  283.     }//GEN-LAST:event_delButtonActionPerformed
  285.     private void cancelChooseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelChooseButtonActionPerformed
  286. // TODO add your handling code here:
  288.         sortTree.clearSelection();
  289.     }//GEN-LAST:event_cancelChooseButtonActionPerformed
  291.     private void sortTreeTreeWillExpand(javax.swing.event.TreeExpansionEvent evt) throws javax.swing.tree.ExpandVetoException {//GEN-FIRST:event_sortTreeTreeWillExpand
  292. // TODO add your handling code here:
  294.         MTreeNode lastNode = (MTreeNode) evt.getPath().getLastPathComponent();
  295.         if (!lastNode.isLoad()) {
  296.             loadChildNode(lastNode);
  297.             treeModel.reload(lastNode);
  298.         }
  299.     }//GEN-LAST:event_sortTreeTreeWillExpand
  301.     /**
  302.      * @param args the command line arguments
  303.      */
  304.     public static void main(String args[]) {
  305.         java.awt.EventQueue.invokeLater(new  
  307.               Runnable() {
  309.                       public void run() {
  310.                 ManageSortDialog dialog = new ManageSortDialog(new javax.swing.JFrame(), true, null, null);
  311.                 dialog.addWindowListener(new java 
  313.                       .awt.event.WindowAdapter  
  314.                         () {
  316.                     @Override
  317.                     public void windowClosing(java.awt.event.WindowEvent e) {
  318.                         System.exit(0);
  319.                     }
  320.                 });
  321.                 dialog.setVisible(true);
  322.             }
  323.         });
  324.     }
  326.     // Variables declaration - do not modify//GEN-BEGIN:variables
  327.     private javax.swing.JButton addButton;
  328.     private javax.swing.JButton cancelChooseButton;
  329.     private javax.swing.JButton delButton;
  330.     private javax.swing.JToolBar jToolBar1;
  331.     private javax.swing.JScrollPane scrollPane;
  332.     private javax.swing.JTree sortTree;
  333.     private javax.swing.JButton updButton;
  334.     // End of variables declaration//GEN-END:variables
  335. }