assetview.java

java课程的资料以及实验的代码

/*
 *AssetView.java：建立固定资产管理界面（类）。
 *包括：增、删、改3个子界面。
 */

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;

public class AssetView extends JDialog   {
   public AssetPanel p1;
   public AssetView(ButPanel p2) {
		getContentPane().setLayout(new BorderLayout());
		p1 = new AssetPanel();
		getContentPane().add(p1,BorderLayout.CENTER);
		getContentPane().add(p2,BorderLayout.SOUTH);
   }
}
class AssetPanel extends JPanel implements ActionListener  {
   private Container cont;
   private GridBagLayout layout;
   private GridBagConstraints cons;
   CateIdChoices cc ;
   JLabel lblAssetId;
   JLabel lblAssetName;
   JLabel lblCateId;
   JLabel lblSubCateId;
   JLabel lblModel;
   JLabel lblPrice;
   JLabel lblPurchaseDate;
   JLabel lblStatus;
   JLabel lblUseby;
   JLabel lblRemarks;
   public JTextField jtfAssetId ;
   public JTextField jtfAssetName ;
   public JComboBox jcbCateId ;
   public JComboBox jcbSubCateId ;
   public JTextField jtfModel ;
   public JTextField jtfPrice ;
   public JTextField jtfPurchaseDate ;
   public JComboBox jcbStatus;
   public JTextField jtfUseby ;
   public JTextField jtfRemarks ;
   String [] cateid;
   String [] subcateid;
   String statusChoices[] = {"正常","维修"};
   public AssetPanel() {
   	cc = new CateIdChoices();
   	int cnt = cc.selCateCnt();
	cateid = new String[cnt];
	cc.selCateId(cateid);
	
	
   	cont = this;
   	layout = new GridBagLayout();
   	cont.setLayout(layout);
   	cons = new GridBagConstraints();
   	
   	lblAssetId = new JLabel("资产编号");
  	lblAssetName = new JLabel("资产名称");
  	lblCateId = new JLabel("大类编号");
  	lblSubCateId = new JLabel("子类编号");
  	lblModel = new JLabel("样式");
        lblPrice = new JLabel("价格") ;
        lblPurchaseDate = new JLabel("购入日期");
        lblStatus = new JLabel("状态");
        lblUseby = new JLabel("使用人");
        lblRemarks = new JLabel("备注");
  	
        jtfAssetId = new JTextField(10);
  	jtfAssetName = new JTextField(10);
  	
  	jcbSubCateId = new JComboBox();
  	jcbSubCateId.setOpaque(true);
        jcbSubCateId.setPreferredSize(new Dimension(110,20));
        jcbSubCateId.setBackground(Color.white);
        
  	jcbCateId = new JComboBox();
  	jcbCateId.addActionListener(this);
  	jcbCateId.setActionCommand("selCateId");
  	jcbCateId.setOpaque(true);
        jcbCateId.setPreferredSize(new Dimension(110,20));
        jcbCateId.setBackground(Color.white);
        for (int i=0;i<cnt;i++)
	   jcbCateId.addItem(cateid[i]);
	
  	jtfModel = new JTextField(10);
        jtfPrice = new JTextField(10);
        jtfPurchaseDate = new JTextField(10);
        jcbStatus = new JComboBox(statusChoices);
        jcbStatus.setOpaque(true);
        jcbStatus.setPreferredSize(new Dimension(110,20));
        jcbStatus.setBackground(Color.white);
        jtfUseby = new JTextField(10);
        jtfUseby.setEnabled(false);
        jtfRemarks = new JTextField(10);
        
        addComponent(lblAssetId,0,0,1,1);
        addComponent(jtfAssetId,0,1,1,1);
  	addComponent(lblAssetName,0,2,1,1);
  	addComponent(jtfAssetName,0,3,1,1);
  	addComponent(lblCateId,1,0,1,1);
  	addComponent(jcbCateId,1,1,1,1);
  	addComponent(lblSubCateId,1,2,1,1);
        addComponent(jcbSubCateId,1,3,1,1);
        addComponent(lblModel,2,0,1,1);
        addComponent(jtfModel,2,1,1,1);
        addComponent(lblPrice,2,2,1,1);
        addComponent(jtfPrice,2,3,1,1);
        addComponent(lblPurchaseDate,3,0,1,1);
        addComponent(jtfPurchaseDate,3,1,1,1);
        addComponent(lblStatus,3,2,1,1);
        addComponent(jcbStatus,3,3,1,1);
        addComponent(lblUseby,4,0,1,1);
        addComponent(jtfUseby,4,1,1,1);
        addComponent(lblRemarks,4,2,1,1);
        addComponent(jtfRemarks,4,3,1,1);
       
        setVisible(true);
   }
   private void addComponent(Component comp,
   	int row,int column,int width,int height) {
   		cons.gridx = column;
   		cons.gridy = row;
   		cons.gridwidth = width;
   		cons.gridheight = height;
   		layout.setConstraints(comp,cons);
   		cont.add(comp);
   }
   public void actionPerformed(ActionEvent e) {
   	if(e.getActionCommand() == "selCateId") {
	   JComboBox cb = (JComboBox)e.getSource();
           String cid = (String)cb.getSelectedItem();
           jcbSubCateId.removeAllItems();
           int cnt = cc.selSubCateCnt(cid);
	   subcateid = new String[cnt];
	   cc.selSubCateId(subcateid,cid);
	   for (int i=0;i<cnt;i++)
	      jcbSubCateId.addItem(subcateid[i]);
	}
   }
}
class AddAssetView extends AssetView {
	public AddAssetView(ButPanel p) {
		super(p);
		setTitle("增加资产");
//		p1.jtfAssetId.setEnabled(false);
//		p1.jtfUseby.setEnabled(false);
	}
}
class UptAssetView extends AssetView {
	public UptAssetView(ButPanel p) {
		super(p);
		setTitle("修改资产");
		p1.jcbCateId.setEnabled(false) ;
                p1.jcbSubCateId.setEnabled(false) ;
	}
}
class DelAssetView extends AssetView {
	public DelAssetView(ButPanel p) {
		super(p);
		setTitle("删除资产");
	}
}