departmentsearchpanel.java

使用JBuilder基于Oracle数据库的课程作业

package StudentManageSystem.factionpanels.searchpanel;

import StudentManageSystem.factionpanels.infopanel.TeacherInfoPanel;
import java.awt.event.ActionEvent;
import java.sql.ResultSet;
import StudentManageSystem.link.SQLRunner;
import javax.swing.tree.DefaultMutableTreeNode;
import java.sql.SQLException;
import StudentManageSystem.factionpanels.infopanel.DepartmentInfoPanel;
import StudentManageSystem.factionpanels.infopanel.ClassInfoPanel;
import com.borland.jbcl.layout.XYConstraints;

public class DepartmentSearchPanel extends SearchPanel {
    //ClassInfoPanel classInfoPanel;
    public DepartmentSearchPanel(String cno, boolean e){
        infoPanel=new DepartmentInfoPanel(e);
        //classInfoPanel=new ClassInfoPanel(e);
        //add(classInfoPanel, new XYConstraints(340, 0, 670, 470));
        initialize(cno,e);
    }

    public void addNodes() {
        try {
            if(top!=null)top.removeAllChildren();
            ResultSet rs=SQLRunner.getResult("select * from college where college_no='"+college_no+"'");
            if(!rs.next())return;
            top=new DefaultMutableTreeNode(college_no+rs.getString("coname"));
            ResultSet rdp=SQLRunner.getResult("select * from department where department.college_no='"+college_no+"'");
            while (rdp.next()) {
               String dno=rdp.getString("DEPART_NO");
               String dpname=rdp.getString("dpname");
               DefaultMutableTreeNode dp=new DefaultMutableTreeNode(dno+'/'+dpname);
               top.add(dp);
               ResultSet rcl=SQLRunner.getResult("select * from class where class.depart_no='"+dno+"'");
               while (rcl.next()) {
                   String clno=rcl.getString("class_no");
                   //System.out.println(clno);
                   String clname=rcl.getString("clname");
                   DefaultMutableTreeNode cl=new DefaultMutableTreeNode(clno+'/'+clname);
                   dp.add(cl);
              }
          }
        } catch (SQLException ex) {
        }


    }

    public void setView(String s){
        /*String sub=(s.trim());
        sub=sub.substring(sub.length()-1,sub.length());
        if(sub.trim().equals("Ժ")){
            String cno=s.substring(0,2);
            showTableView("select * from department where department.college_no='"+cno+"'");
        }else{
            String sno=s.substring(0,2);
            showLeavesView(sno);
        }*/
        String sub=(s.trim());
       sub=sub.substring(sub.length()-1,sub.length());
       if(sub.trim().equals("Ժ")){
           String cno=s.substring(0,2);
           showTableView("select * from department where department.college_no='"+cno+"'");
       }else if(sub.trim().equals("ϵ")){
           String dno=s.substring(0,2);
           classInfoPanel.setVisible(false);
           showLeavesView(dno);
       }else{
           String clno=s.substring(0,4);
           tablePanel.setVisible(false);
           welcomePanel.setVisible(false);
           infoPanel.setVisible(false);
           classInfoPanel.setVisible(true);
           classInfoPanel.setAllInfo(clno);


       }


    }
    public void jButton_new_actionPerformed(ActionEvent e) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode)jTree_info.getLastSelectedPathComponent();
        //setView(node.toString());
        String s=node.toString();
                String sub=(s.trim());
               sub=sub.substring(sub.length()-1,sub.length());
               if(sub.trim().equals("Ժ")){
                   tablePanel.setVisible(false);
                   welcomePanel.setVisible(false);
                   classInfoPanel.setVisible(false);
                   infoPanel.setVisible(true);
                   infoPanel.updateModel=false;
                   classInfoPanel.updateModel=true;
                   infoPanel.setAllNew();
                   infoPanel.updateModel=false;

               }else if(sub.trim().equals("ϵ")){
                   tablePanel.setVisible(false);
                   classInfoPanel.setVisible(false);
                   welcomePanel.setVisible(false);
                   infoPanel.setVisible(true);
                   infoPanel.updateModel=false;
                   classInfoPanel.updateModel=true;
                   infoPanel.setAllNew();
                   infoPanel.updateModel=false;

               }else{
                   tablePanel.setVisible(false);
                   infoPanel.setVisible(false);
                   welcomePanel.setVisible(false);
                   classInfoPanel.setVisible(true);
                   infoPanel.updateModel=true;
                   classInfoPanel.updateModel=false;
                   classInfoPanel.setAllNew();
                   classInfoPanel.updateModel=false;






               }


    }




}