itemmanagejpanel.java

连接测试系统

package com.cnu.cie.olts.client.teacher;

import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.Format;
import java.text.NumberFormat;
import java.util.EventObject;
import java.util.Vector;

import javax.swing.JButton;

import javax.swing.WindowConstants;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableModel;
import javax.swing.DefaultCellEditor;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;

import com.cnu.cie.olts.client.ItemInfo;

/**
* This code was edited or generated using CloudGarden's Jigloo
* SWT/Swing GUI Builder, which is free for non-commercial
* use. If Jigloo is being used commercially (ie, by a corporation,
* company or business for any purpose whatever) then you
* should purchase a license for each developer using Jigloo.
* Please visit www.cloudgarden.com for details.
* Use of Jigloo implies acceptance of these licensing terms.
* A COMMERCIAL LICENSE HAS NOT BEEN PURCHASED FOR
* THIS MACHINE, SO JIGLOO OR THIS CODE CANNOT BE USED
* LEGALLY FOR ANY CORPORATE OR COMMERCIAL PURPOSE.
*/
public class itemManageJPanel extends javax.swing.JPanel {
	private JTable itemsjTable;
	private JScrollPane itemtablejScrollPane;
	private JButton onsubmitjButton;
	ItemInfo[] iteminfo;
	String[] itemsubjectarray;
	String[] itemtypearray;
	
	String[] columnNames = {
			"Delete", "ItemID", "ItemType", "Content", "Answer",
			"Score","Limittime","Subject", "Difficulty"
		};
	Object[][] data = {
			{ new Boolean(false), new Integer(1), "单选题","content11111111111111111","answer",
			  new Integer(4),new Integer(5),"数学",new Double(0.78)}, 
			  
			{ new Boolean(false), new Integer(2), "填空题","content","answer",
			  new Integer(3),new Integer(3),"语文",new Double(0.56)},
	};
	static DefaultTableModel model=null;

	/**
	* Auto-generated main method to display this 
	* JPanel inside a new JFrame.
	*/
	/*public static void main(String[] args) {
		JFrame frame = new JFrame();
		frame.getContentPane().add(new itemManageJPanel());
		frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
		frame.pack();
		frame.setVisible(true);
	}
	*/
	public itemManageJPanel(String[] itemsubjectarray,String[] itemtypearray,ItemInfo[] iteminfo) {
		super();
		initGUI();
		this.iteminfo=iteminfo;
		this.itemsubjectarray=itemsubjectarray;
		this.itemtypearray=itemtypearray;
		for(int i=0;i<columnNames.length;i++)
			model.addColumn(columnNames[i]);
		for(int i=0;i<iteminfo.length;i++){
			model.addRow(new Object[]{new Boolean(false),new Integer(iteminfo[i].getItemid()),
					iteminfo[i].getItemtype(),iteminfo[i].getContent(),iteminfo[i].getAnswer(),
					new Integer(iteminfo[i].getScore()),new Integer(iteminfo[i].getLimittime()),
					iteminfo[i].getItemsubject(),new Double(iteminfo[i].getDifficulty())
			});
		}
		initializeItemType(itemtypearray);
		initializeItemSubject(itemsubjectarray);
	}
	
	private void initGUI() {
		try {
			this.setPreferredSize(new java.awt.Dimension(612, 312));
			this.setLayout(null);
			{
				itemtablejScrollPane = new JScrollPane();
				this.add(itemtablejScrollPane);
				itemtablejScrollPane.setBounds(7, 12, 593, 250);
				{
					//TableModel itemsjTableModel = 
					//	new DefaultTableModel(
					//			new String[][] { { "One", "Two" }, { "Three", "Four" } },
					//			new String[] { "Column 1", "Column 2" });
					model=new DefaultTableModel(){
						public boolean isCellEditable(int row,int col){
							Class cls = getColumnClass(col);
							String name = getColumnName(col);
							return (!name.equals("ItemID"));
							}
						//public void setValueAt(Object value, int row, int col) {
						//	System.out.println("("+row+","+col+")="+value);
						//	data[row][col] = value;
						//	dataVector.setElementAt(value,row*data[0].length+col);
						//	fireTableCellUpdated(row, col);
						//	}
						public Class getColumnClass(int col){
							Vector v=(Vector)dataVector.elementAt(0);
							return v.elementAt(col).getClass();
						}
						};
					itemsjTable = new JTable(model);
					itemtablejScrollPane.setViewportView(itemsjTable);
					itemsjTable.setBounds(394, 86, 218, 149);
				}
			}
			{
				onsubmitjButton = new JButton();
				this.add(onsubmitjButton);
				onsubmitjButton.setText("\u63d0  \u4ea4");
				onsubmitjButton.setBounds(252, 274, 97, 29);
				onsubmitjButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent evt) {
						onsubmitjButtonActionPerformed(evt);
					}
				});
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	private void initializeItemType(String[] itemtypearray){
		TableColumn itemtypeColumn = itemsjTable.getColumn("ItemType");
		JComboBox combo = new JComboBox();
		combo.removeAllItems();
		if(itemtypearray.length>0)
			if("ITEMTYPE".equals(itemtypearray[0]))
				for(int i=1;i<itemtypearray.length;i++)
					combo.addItem(itemtypearray[i]);
		itemtypeColumn.setCellEditor(new DefaultCellEditor(combo));
	}
	private void initializeItemSubject(String[] itemsubjectarray){
		TableColumn itemtypeColumn = itemsjTable.getColumn("Subject");
		JComboBox combo = new JComboBox();
		combo.removeAllItems();
		if(itemtypearray.length>0)
			if("SUBJECT".equals(itemsubjectarray[0]))
				for(int i=1;i<itemsubjectarray.length;i++)
					combo.addItem(itemsubjectarray[i]);
		itemtypeColumn.setCellEditor(new DefaultCellEditor(combo));
	}
	private void onsubmitjButtonActionPerformed(ActionEvent evt) {
		//System.out.println("onsubmitjButton.actionPerformed, event="+evt);
		//TODO add your code for onsubmitjButton.actionPerformed
		Vector DataVector=model.getDataVector();
		Vector RowVector;
		String infotoserver="UPDATEITEM:";
		String itemtypestr = null,itemcontentstr = null,itemanswerstr = null,itemsubjectstr = null;
		int itemscore = 0,itemlimittime = 0;
		float itemdifficulty = 0;
		for(int i=0;i<DataVector.size();i++){
			RowVector=(Vector)DataVector.elementAt(i);  
			int itemid=Integer.parseInt(RowVector.elementAt(1).toString());
			if(!(Boolean)RowVector.elementAt(0)){
				for(int j=0;j<RowVector.size();j++){
					try{
						itemscore=Integer.parseInt(RowVector.elementAt(5).toString());
					}catch(Exception e){
						JOptionPane.showMessageDialog(null,"第"+(i+1)+"行的试题分数应为正整数","联机测试系统",JOptionPane.ERROR_MESSAGE);
						return;
					}
					try{
						itemlimittime=Integer.parseInt(RowVector.elementAt(6).toString());
					}catch(Exception e){
						JOptionPane.showMessageDialog(null,"第"+(i+1)+"行的试题答题限制时间应为正整数","联机测试系统",JOptionPane.ERROR_MESSAGE);
						return;
					}
					try{
						itemdifficulty=Float.parseFloat(RowVector.elementAt(8).toString());
						if(itemdifficulty>1||itemdifficulty<0){
							JOptionPane.showMessageDialog(null,"第"+(i+1)+"行的试题难度系数应为正0到1的小数","联机测试系统",JOptionPane.ERROR_MESSAGE);
							return;
						}
					}catch(Exception e){
						JOptionPane.showMessageDialog(null,"第"+(i+1)+"行的试题难度系数应为正0到1的小数","联机测试系统",JOptionPane.ERROR_MESSAGE);
						return;
					}
					itemtypestr=RowVector.elementAt(2).toString();
					itemcontentstr=RowVector.elementAt(3).toString();
					itemanswerstr=RowVector.elementAt(4).toString();
					itemsubjectstr=RowVector.elementAt(7).toString();
				}
					infotoserver=infotoserver+"update item_info set itemtype='"+
					itemtypestr+"',content='"+itemcontentstr+"',answer='"+
					itemanswerstr+"',score="+itemscore+",limittime="+
					itemlimittime+",subject='"+itemsubjectstr+"',difficulty="+
					itemdifficulty+" where id="+itemid;					
			}
			else {
				infotoserver=infotoserver+"delete from item_info where id="+itemid;
			}
		}
		TeacherFrame.pswriter.println(infotoserver);
		TeacherFrame.pswriter.flush();
		for(int i=0;i<DataVector.size();i++){
			RowVector=(Vector)DataVector.elementAt(i);  
			if((Boolean)RowVector.elementAt(0))
				model.removeRow(i);
		}
		JOptionPane.showMessageDialog(null,"操作成功","联机测试系统",JOptionPane.ERROR_MESSAGE);
	}

}