initialargumentdialog.java

java写的qq代码实现qq的部分功能

/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma <[e-mail]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.tsinghua.lumaqq.qq.debug;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Dialog;
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 edu.tsinghua.lumaqq.qq.Util;

/**
 * <pre>
 * 调试参数对话框
 * </pre>
 * 
 * @author 马若劼
 */
class InitialArgumentDialog extends Dialog {
    private InitialArgument arg;
    
    // 界面控件
    private Text textQQ, textPassword, textLoginReply;
    private Font font;
    
    /**
     * @param parent
     */
    public InitialArgumentDialog(Shell parent) {
        super(parent);
    }
    
	/**
	 * 打开对话框
	 * 
	 * @return 调试参数封装类
	 */
	public InitialArgument open() {
	    // 创建对话框
		Shell parent = getParent();
		Shell shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
		shell.setSize(350, 250);
		shell.setText("Input Debug Argument");
		
		font = new Font(shell.getDisplay(), "Courier New", 9, SWT.NORMAL);
		// 初始化界面布局
		initLayout(shell);
		
		// 打开对话框
		Display display = parent.getDisplay();
		Rectangle rect = display.getClientArea();
		Point size = shell.getSize();
		shell.layout();
		shell.setLocation((rect.width - size.x) / 2, (rect.height - size.y) / 2);
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) display.sleep();
		}
		return arg;
	}

    /**
     * 初始化界面布局
     * 
     * @param shell
     * 			窗口对象
     */
    private void initLayout(final Shell shell) {
        // 设置layout
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        shell.setLayout(layout);
        
        // QQ号
        Label lblQQ = new Label(shell, SWT.RIGHT);
        lblQQ.setText("QQ Number:");
        lblQQ.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
        textQQ = new Text(shell, SWT.SINGLE | SWT.BORDER);
        textQQ.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        textQQ.addKeyListener(new KeyAdapter() {
            public void keyPressed(KeyEvent e) {
                if(!Character.isDigit(e.character) && !Character.isISOControl(e.character))
                    e.doit = false;
            }
        });
        
        // 密码
        Label lblPassword = new Label(shell, SWT.RIGHT);
        lblPassword.setText("Password:");
        lblPassword.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
        textPassword = new Text(shell, SWT.SINGLE | SWT.BORDER | SWT.PASSWORD);
        textPassword.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        
        // 登录回复包
        Label lblLoginReply = new Label(shell, SWT.RIGHT);
        lblLoginReply.setText("Login Reply:");
        lblLoginReply.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING));
        textLoginReply = new Text(shell, SWT.MULTI | SWT.WRAP | SWT.BORDER);
        textLoginReply.setLayoutData(new GridData(GridData.FILL_BOTH));
        textLoginReply.setFont(font);
        
        // composite
        Composite comp = new Composite(shell, SWT.NONE);
        layout = new GridLayout();
        layout.numColumns = 2;
        layout.horizontalSpacing = 20;
        layout.makeColumnsEqualWidth = true;
        comp.setLayout(layout);
        GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
        gd.horizontalSpan = 2;
        comp.setLayoutData(gd);
        
        // 确定按钮
        Button btnOK = new Button(comp, SWT.PUSH);
        btnOK.setText("OK");
        btnOK.setSize(100, 20);
        btnOK.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
        btnOK.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                arg = createDebugArgument();
                if(arg == null)
                    MessageDialog.openWarning(shell, "Warning", "Some errors exist in your input, try again!");
                else
                    shell.close();
            }
        });
        
        // 取消按钮
        Button btnCancel = new Button(comp, SWT.PUSH);
        btnCancel.setText("Cancel");
        btnCancel.setSize(100, 20);
        btnCancel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
        btnCancel.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                arg = null;
                shell.close();
            }
        });
    }

    /**
     * 创建调试参数bean
     * 
     * @return
     * 			如果失败，返回null
     */
    protected InitialArgument createDebugArgument() {
        if(textQQ.getText().trim().equals(""))
            return null;
        
        byte[] reply = Util.convertHexStringToByte(textLoginReply.getText());
        if(reply == null)
            return null;
        
        InitialArgument da = new InitialArgument();
        da.setQQ(Integer.parseInt(textQQ.getText().trim()));
        da.setPassword(textPassword.getText());
        da.setLoginReply(reply);
        return da;
    }
}