ipseekershell.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.ui;

import java.util.Iterator;
import java.util.List;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import edu.tsinghua.lumaqq.IPEntry;
import edu.tsinghua.lumaqq.IPSeeker;
import edu.tsinghua.lumaqq.IconHolder;
import edu.tsinghua.lumaqq.LumaQQ;

/**
 * <pre>
 * 用于查询IP的窗口
 * </pre>
 * 
 * @author 马若劼
 */
public class IPSeekerShell {
	private Shell shell;
    private MainShell main;
    private Display display;
    private IconHolder icons = IconHolder.getInstance();
    private Text textInput, textResult;
    private Button btnAddr2Ip;
    private static String CRLF = System.getProperty("line.separator");
    private IPSeeker seeker = IPSeeker.getInstance();
    
    /**
     * 构造函数，用于从LumaQQ的菜单中启动
     * @param main
     */
    public IPSeekerShell(MainShell main) {
        this.main = main;
        this.display = main.getDisplay();
        shell = new Shell(this.display, SWT.SHELL_TRIM);
        shell.setText(LumaQQ.getString("ip.seeker.title"));
        shell.setImage(icons.getImage(IconHolder.icoSearchIp));
        shell.setSize(550, 400);
        
        initLayout();
    }
    
    /**
     * 构造函数，用于做为一个单独的程序启动
     */
    protected IPSeekerShell() {
        main = null;
        display = new Display();
        shell = new Shell(display, SWT.SHELL_TRIM);
        shell.setText(LumaQQ.getString("ip.seeker.title"));
        shell.setImage(icons.getImage(IconHolder.icoSearchIp));
        shell.setSize(400, 500);
        
        initLayout();
    }
    
    /**
     * 初始化界面布局
     */
    private void initLayout() {
        // 设置shell的layout
        GridLayout layout = new GridLayout();
        layout.numColumns = 4;
        shell.setLayout(layout);
        // 输入标签
        Label lblInput = new Label(shell, SWT.NONE);
        lblInput.setText(LumaQQ.getString("ip.seeker.label.input"));
        lblInput.setLayoutData(new GridData());
        // 输入文本框
        textInput = new Text(shell, SWT.SINGLE | SWT.BORDER);
        textInput.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        // IP -> 地点按钮
        Button btnIp2Addr = new Button(shell, SWT.PUSH);
        btnIp2Addr.setText(LumaQQ.getString("ip.seeker.button.ip2addr"));
        btnIp2Addr.setToolTipText(LumaQQ.getString("ip.seeker.tooltip.ip2addr"));
        btnIp2Addr.setLayoutData(new GridData());
        btnIp2Addr.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {                
                ip2Address();
            }
        });
        // 地点 -> IP 按钮
        btnAddr2Ip = new Button(shell, SWT.PUSH);
        btnAddr2Ip.setText(LumaQQ.getString("ip.seeker.button.addr2ip"));
        btnAddr2Ip.setToolTipText(LumaQQ.getString("ip.seeker.tooltip.addr2ip"));
        btnAddr2Ip.setLayoutData(new GridData());
        btnAddr2Ip.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {       
                btnAddr2Ip.setEnabled(false);
		        address2Ip();
             }
        });
        // 结果显示文本框
        textResult = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
        GridData gd = new GridData(GridData.FILL_BOTH);
        gd.horizontalSpan = 4;
        textResult.setLayoutData(gd);
    }
    
    /**
     * 从地点查询IP
     */
    protected void address2Ip() {
        textResult.setText("");
        String s = textInput.getText().trim();
        if("".equals(s)) {
            textResult.append(LumaQQ.getString("ip.seeker.please.input"));
            btnAddr2Ip.setEnabled(true);
            return;
        }
        String beginIp = LumaQQ.getString("ip.seeker.text.begin.ip");
        String endIp = LumaQQ.getString("ip.seeker.text.end.ip");
        String addr = LumaQQ.getString("ip.seeker.text.address");
        StringBuffer sb = new StringBuffer();
        List ret = seeker.getIPEntries(s);
        Iterator iter = ret.iterator();
        while(iter.hasNext()) {
            IPEntry entry = (IPEntry)iter.next();
            sb.append(beginIp);
            sb.append(entry.beginIp);
            sb.append(' ');
            sb.append(endIp);
            sb.append(entry.endIp);
            sb.append(' ');
            sb.append(addr);
            sb.append(entry.country);
            sb.append(' ');
            sb.append(entry.area);
            sb.append(CRLF);
            textResult.append(sb.toString());
            sb.delete(0, sb.length());
        }
        btnAddr2Ip.setEnabled(true);
    }

    /**
     * 从IP查询地点
     */
    protected void ip2Address() {
        textResult.setText("");
        String ip = textInput.getText().trim();
        StringBuffer sb = new StringBuffer();
        sb.append("IP:  ");
        sb.append(ip);
        sb.append(CRLF);
        sb.append(LumaQQ.getString("ip.seeker.text.address"));
        sb.append(seeker.getCountry(ip));
        sb.append(' ');
        sb.append(seeker.getArea(ip));
        textResult.setText(sb.toString());
    }

    /**
     * 打开窗口
     */
    public void open() {
        if(main == null)
            openAsApp();
        else
            openAsShell();
    }

    /**
     * 做为一个窗口打开
     */
    private void openAsShell() {
		// set shell to center of screen
		Rectangle dialogRect = shell.getBounds();
		Rectangle displayRect = display.getBounds();
		shell.setLocation((displayRect.width-dialogRect.width)/2, (displayRect.height-dialogRect.height)/2);
		// 打开shell
		shell.layout();
		// set dialog to center of screen
		shell.open();
    }

    /**
     * 做为一个独立的应用程序打开
     */
    private void openAsApp() {
		// set shell to center of screen
		Rectangle dialogRect = shell.getBounds();
		Rectangle displayRect = display.getBounds();
		shell.setLocation((displayRect.width-dialogRect.width)/2, (displayRect.height-dialogRect.height)/2);
		// event loop
		shell.layout();
		shell.open();
		while(!shell.isDisposed()) 
			if(!display.readAndDispatch()) 
			    display.sleep();
    }
}