package com.tanghan.plugin.dbviews.dialog;


import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.tanghan.db.util.DBConnection;
import com.tanghan.db.util.Driver;
import com.tanghan.plugin.TanghanPlugin;
import com.tanghan.util.DealString;

public class ConnectionInfoDialog {
	private static ResourceBundle res = TanghanPlugin.getDefault().getResourceBundle();
//	private HashMap data = null;
//	private HashMap items = null;

	private DBConnection dbConn;
	
	/**輸入框*/
	private Text connNameText;
	private String jdbcDriverName = "";
	private Text jdbcDrvierClassText;
	private Text jdbcURLText;
	private Text userNameText;
	private Text passwordText;
	
	private Button okButton;
	/**驅動程序列表*/
	private Combo driversCombo;
	
	private List driverList;
	Shell shell;
	
	public ConnectionInfoDialog(Shell parent) {
		shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.PRIMARY_MODAL );
		shell.setLayout(new GridLayout());
	}


	public DBConnection open(DBConnection data,List driverList) {
		if(driverList!=null){
			this.driverList = driverList;
		}else{
			this.driverList = new ArrayList();
		}
		createTextWidgets();
		createControlButtons();
		if(data!=null){
			this.dbConn = (DBConnection)data.clone();
		}else{
			this.dbConn = new DBConnection();
		}
		initData();
		
		shell.pack();
		shell.open();

		Display display = shell.getDisplay();
		
		while(!shell.isDisposed()){
			if(!display.readAndDispatch())
				display.sleep();
		}
	
		return this.dbConn;
	}
	private void initData(){
		connNameText.setText(dbConn.getConnectionName());
		

		jdbcDrvierClassText.setText(dbConn.getJdbcDriverClass());
		jdbcURLText.setText(dbConn.getDatabaseURL());
		jdbcDriverName = dbConn.getJdbcDriverName();
		userNameText.setText(dbConn.getUserName());
		passwordText.setText(dbConn.getPassword());
		if(dbConn.isConnected()){
			connNameText.setEnabled(false);
			connNameText.setToolTipText(dbConn.getConnectionName());

			jdbcDrvierClassText.setEnabled(false);
			jdbcDrvierClassText.setToolTipText(dbConn.getJdbcDriverClass());
			
			jdbcURLText.setEnabled(false);
			jdbcURLText.setToolTipText(dbConn.getDatabaseURL());
			
			userNameText.setEnabled(false);
			userNameText.setToolTipText(dbConn.getUserName());
			
			passwordText.setEnabled(false);
			passwordText.setToolTipText(dbConn.getPassword());
			
			okButton.setEnabled(false);
		}
		//初始化驅動程序列表
		for(int i =0;i<driverList.size();i++){
			Driver driver = (Driver)driverList.get(i);
			driversCombo.add(driver.getDriverName(),i);
		}
		driversCombo.setText(this.dbConn.getJdbcDriverName());		
	}
	
	private void createTextWidgets() {
		Composite composite = new Composite(shell, SWT.NULL);
		composite.getShell().setText(res.getString("Tree.View.Action.NewConn.Name"));
		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		GridLayout layout= new GridLayout();
		layout.numColumns = 2;
		composite.setLayout(layout);
		
	
		connNameText = addTextLine(composite,res.getString("Connection.Name"),100);
//		jdbcDriverNameText = addTextLine(composite,res.getString("JDBC.Name"),100);
		
		addDriverComboLine(composite,res.getString("Driver.Name"));
		
		jdbcDrvierClassText = addTextLine(composite,res.getString("Driver.ClassName"),200);
		jdbcURLText = addTextLine(composite,res.getString("JDBC.DatabaseURL"),200);
		userNameText = addTextLine(composite,res.getString("JDBC.UserName"),50);
		passwordText = addTextLine(composite,res.getString("JDBC.Password"),50);
		passwordText.setEchoChar('*');
	}

	private void createControlButtons() {
		Composite composite = new Composite(shell, SWT.NULL);
		composite.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
		GridLayout layout = new GridLayout();
		layout.numColumns = 2;
		composite.setLayout(layout);
		
		okButton = new Button(composite, SWT.PUSH);
		okButton.setText(res.getString("OK"));
		okButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
//				if(MessageDialog.openConfirm(parent.getShell(),res.getString("TanghanPlugin.Message.ifDeleteTitle"),res.getString("TanghanPlugin.Message.ifDelete"))){
				if(checkData()){
					dbConn.setConnectionName(connNameText.getText().trim());
					dbConn.setJdbcDriverClass(jdbcDrvierClassText.getText().trim());
					dbConn.setJdbcDriverName(jdbcDriverName);
					dbConn.setDatabaseURL(jdbcURLText.getText().trim());
					dbConn.setUserName(userNameText.getText().trim());
					dbConn.setPassword(passwordText.getText().trim());
					shell.close();
				}
			}
		});
		
		Button cancelButton = new Button(composite, SWT.PUSH);
		cancelButton.setText(res.getString("Cancel"));
		cancelButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				dbConn = null;
				shell.close();
			}
		});
		shell.setDefaultButton(okButton);
	}
	
	private void addDriverComboLine(Composite composite,String lableText){
		Label label = new Label(composite, SWT.RIGHT);
		label.setText(lableText);
		driversCombo =  new Combo(composite, SWT.READ_ONLY|SWT.DROP_DOWN);
		driversCombo.addSelectionListener(new SelectionAdapter(){
				public void widgetSelected(SelectionEvent e){
					int select = driversCombo.getSelectionIndex();
					if(select>-1&&select<driverList.size()){
						Driver driver = (Driver)driverList.get(select);
						jdbcDriverName=driver.getDriverName();
						jdbcDrvierClassText.setText(driver.getDriverClass());
						jdbcURLText.setText(driver.getURLPrefix());
					}
				}
			});
	}
	
	/**添加輸入行*/
	private Text addTextLine(Composite composite,String lableText,int textSize){
		Label label = new Label(composite, SWT.RIGHT);
		label.setText(lableText);
		Text text = new Text(composite, SWT.BORDER);
		GridData gridData = new GridData();
		gridData.widthHint = textSize;
		text.setLayoutData(gridData);
		return text;
	}
	/**數據檢查*/
	private boolean checkData(){
		if(DealString.equalsIgnoreCase(this.connNameText.getText(),"")){
			MessageDialog.openError(this.shell,res.getString("TanghanPlugin.DataInput.Error"),res.getString("TanghanPlugin.Error.DBConnection.Name.Null"));
			return false;
		}
		return true;
	}

}