?? coursesearchpanel.java
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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.CourseInfoPanel;
public class CourseSearchPanel extends SearchPanel {
public CourseSearchPanel(String cno, boolean e){
infoPanel=new CourseInfoPanel(e);
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 course where course.college_no='"+college_no+"'");
while (rdp.next()) {
String dno=rdp.getString("course_no");
String dpname=rdp.getString("csname");
DefaultMutableTreeNode dp=new DefaultMutableTreeNode(dno+'/'+dpname);
top.add(dp);
}
} catch (SQLException ex) {
}
}
public void setView(String s){
String sub=(s.trim());
sub=sub.substring(sub.length()-1,sub.length());
if(sub.trim().equals("?")){
String cno=s.substring(0,2);
showTableView("select * from course where course.college_no='"+cno+"'");
}else{
String sno=s.substring(0,8);
showLeavesView(sno);
}
}
}
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