package examples.FrmLogin;

import java.io.*;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import myprojects.FrmLoginDb.*;
import myprojects.FrmMenu.FrmMenu.*;
public class FrmLogin {
//各控件，文本框，標簽定義	
	
    private Label lblBH,lblMM,lblGBH,lblGMM,lblXMM,lblYMM;
    private Text  txtBH,txtMM,txtGBH,txtGMM,txtXMM,txtYMM;
    private Button btnDL,btnTC,btnXG,btnQX;
//創建SHELL容器
     Shell shell;
//創建連接對象     
private myprojects.FrmLoginDb.FrmLoginDb Db = new myprojects.FrmLoginDb.FrmLoginDb();
private myprojects.FrmMenu.FrmMenu menu = new myprojects.FrmMenu.FrmMenu(); 
public void run() {
    Display display = new Display();
    shell = new Shell(SWT.DIALOG_TRIM);
    shell.setLayout(new FillLayout());
    shell.setText("入口登錄");
    shell.setBounds(350,150,360,400);
    shell.setSize(300,250);
    createContents(shell);
    shell.open();
    try{
//自動連接數據連接
	      int b =	Db.getConnection();
//數據庫自動連接判斷		      
	if(b==0)
	   {
		  MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_ERROR);			
          messageBox.setText("錯誤！");			
          messageBox.setMessage("連接數據庫出錯");
          messageBox.open();
          shell.dispose();
          return;

		}	
	
		  	
		}
	 catch(Exception e){
		  System.err.println(e.getMessage());
		}
		
   
     while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
          display.sleep();
         }
        }
          display.dispose();
  } 

  
private void createContents(Shell shell) {
   
     final TabFolder tabFolder = new TabFolder(shell, SWT.VIRTUAL);
//創建TAB1
   
     TabItem one = new TabItem(tabFolder, SWT.NONE);
     one.setText("             用 戶 登 錄            ");
   
//調用容器1  
     one.setControl(getTabOneControl(tabFolder));
//創建TAB2
    
     TabItem two = new TabItem(tabFolder, SWT.NONE);
     two.setText("             修 改 密 碼             ");
    
//調用容器2    
     two.setControl(getTabTwoControl(tabFolder));
   
   }
private Control getTabOneControl(TabFolder tabFolder) {
//創建COMPOSITE對象  	
     Composite composite = new Composite(tabFolder, SWT.NONE);
//設置布局    
     GridLayout gridlayout = new GridLayout();
     gridlayout.numColumns = 3;  
     composite.setLayout(gridlayout);
    
//設置LABEL框和文本框占巨空間，以實現布局    
    
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Text(composite, SWT.NONE).setVisible(false);
    
    
//職員編號LABEL框    
     lblBH = new Label(composite, SWT.NONE);
     lblBH.setText("職員編號:");
//輸入職員編號的文本框     
     txtBH = new Text(composite, SWT.BORDER);
     
//設置LABEL框和文本框占巨空間，以實現布局         
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     

// 用戶密碼LABEL框   
     lblMM = new Label(composite, SWT.CENTER);
     lblMM.setText("用戶密碼:");
//輸入用戶密碼的文本框     
     txtMM = new Text(composite, SWT.BORDER);
//設置密碼輸入時以"*"表示     
     txtMM.setEchoChar('*'); 
     
//設置LABEL框和文本框占巨空間，以實現布局         
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     new Label(composite, SWT.NONE);
     
//設置登錄按扭     
     btnDL = new Button(composite, SWT.PUSH);
     btnDL.setText("    登 錄    ");
//登錄按扭監聽器事件     
     btnDL.addSelectionListener(new SelectionAdapter(){
     public void widgetSelected(SelectionEvent e){
//獲得登錄窗口編號和密碼的輸入值   				 
    	  String id=txtBH.getText();
    	  String pw=txtMM.getText();
    	 
//判斷編號輸入字符中是否有單引號    	  
    	  if(id.indexOf("'")!=-1)
    	        {
    	        	    	
    		           MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_ERROR);			
                       messageBox.setText("                   提示信息");			
                       messageBox.setMessage("職員編號中含有非法字符!");
                       messageBox.open();
                       return;	
    	        }	
//判斷密碼輸入字符中是否有單引號    	  
    	  if(pw.indexOf("'")!=-1)
    	        {
    	        	    	
    		           MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_ERROR);			
                       messageBox.setText("                   提示信息");			
                       messageBox.setMessage("用戶密碼中含有非法字符!");
                       messageBox.open();
                       return;	
    	        }
//判斷密碼是否超過限制    	        
    	  if(pw.getBytes().length>32)
     	       	  { 
    	  	           MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_ERROR);			
                       messageBox.setText("                   提示信息");			
                       messageBox.setMessage("密碼長度超過限制!");
                       messageBox.open();
                       return;	
    	  }	
    	             	          
//判斷編號是否為空    	  
    	  if(id.equals(""))
    		    {
//編號為空時，錯誤提示信息    		          
    		           MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_WARNING);			
                       messageBox.setText("                   提示信息");			
                       messageBox.setMessage("職員編號不能為空!");
                       messageBox.open();
                       return;	
    		    }
//判斷密碼是否為空    		    
    	   else if(pw.equals(""))
    		    {
//密碼為空時，錯誤提示信息    		    	
    		           MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_WARNING);			
                       messageBox.setText("                   提示信息");			
                       messageBox.setMessage("密碼不能為空!");
                       messageBox.open();
                       return;	
    		    }
//接受身份驗證返回值    		    
    	   boolean fig = Db.checkUser(id,pw);
           if(fig==false)
                {    
//驗證失敗時，錯誤提示框                 
                       MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_ERROR);			
                       messageBox.setText("                   提示信息");			
                       messageBox.setMessage("身份驗證錯誤!");
                       messageBox.open();
                       return;
	                
                }
//驗證成功                
           else{        Db.updateDataDQBJ(id);
           
           /*
                       MessageBox messageBox = new MessageBox(shell,SWT.OK|SWT.ICON_INFORMATION);			
                       messageBox.setText("            歡   迎 ");			
                       messageBox.setMessage("登錄成功!");
                       messageBox.open();
                    
            */            
                       //////////////////////////////////////////////////////////////////
            //         myprojects.FrmMenu.FrmMenu Jbdm=new myprojects.FrmMenu.FrmMenu();
                       shell.getDisplay().dispose();
                       shell.dispose();
                      
                        menu.main();
                       return;   
                       ///////////////////////////////////////////////////////////////////
    	     	  }
    	     	}
    	     			
    });
//設置退出按扭    
      btnTC = new Button(composite, SWT.PUSH);
      btnTC.setText("    退 出    ");
//設置退出按扭監聽事件            
      btnTC.addSelectionListener(new SelectionAdapter(){
      public void widgetSelected(SelectionEvent e){
//點吉退出按紐，關閉窗口    			
      shell.dispose();
      return;
   }
    });
   		
            return composite;
  }