/* * @(#) DownloadPanel.java * Copyright 2004 HWStudio. All rights reserved. */package hws.item.smart.panel.function.share;//導入核心Java類庫import java.io.IOException;import java.io.StringReader;import java.awt.Insets;import java.awt.Component;import java.awt.FlowLayout;import java.awt.GridBagLayout;import java.awt.GridBagConstraints;import java.net.MalformedURLException;import java.util.List;import java.util.Vector;import java.util.ArrayList;import javax.swing.JTree;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JTable;import javax.swing.JButton;import javax.swing.JSplitPane;import javax.swing.JOptionPane;import javax.swing.JScrollPane;import javax.swing.ListSelectionModel;import javax.swing.tree.TreePath;import javax.swing.tree.DefaultTreeModel;import javax.swing.tree.DefaultMutableTreeNode;import javax.swing.tree.DefaultTreeCellRenderer;import javax.swing.tree.DefaultTreeSelectionModel;import javax.swing.event.TreeSelectionEvent;import javax.swing.event.TreeSelectionListener;import javax.swing.table.DefaultTableModel;//導入自定義Java類庫import hws.item.smart.Smart;import hws.item.smart.misc.ImageShop;import hws.item.smart.misc.SBChanger;import hws.item.smart.misc.XMLConfig;import hws.item.smart.misc.StringShop;import hws.item.smart.panel.function.chat.ViewPanel;import hws.item.smart.action.share.download.DownloadAction;import hws.item.smart.utility.chat.UserInfo;import hws.item.smart.utility.share.RequestAgent;import hws.item.smart.utility.share.TransferAgent;import hws.item.smart.utility.share.ProgressRenderer;//導入第三方Java類庫import org.jdom.Element;import org.jdom.Document;import org.jdom.JDOMException;import org.jdom.input.SAXBuilder;import org.jdom.output.XMLOutputter;import org.apache.xmlrpc.XmlRpc;import org.apache.xmlrpc.XmlRpcClient;import org.apache.xmlrpc.XmlRpcRequest;import org.apache.xmlrpc.XmlRpcException;/** * 下載文件面板 * * @version 0.1 2005-08-30 * @author Hwerz */public class DownloadPanel extends JPanel {    /*------------------------------------------------------------------------*     *                                屬性定義                                *     *------------------------------------------------------------------------*/    /**     * 好友樹根節點     */    private static final DefaultMutableTreeNode FRIEND_ROOT =        new DefaultMutableTreeNode("我的好友(未登錄)");    /**     * 文件樹根節點     */    private static final DefaultMutableTreeNode FILE_ROOT =        new DefaultMutableTreeNode("下載文件");    /**     * 該類自身的一個靜態引用     */    private static DownloadPanel panel;    /**     * 好友視圖面板     */    private FriendViewPanel friendViewPanel;    /**     * 文件視圖面板     */    private FileViewPanel fileViewPanel;    /**     * 任務列表面板     */    private TaskListPanel taskListPanel;    /*------------------------------------------------------------------------*     *                                構造函數                                *     *------------------------------------------------------------------------*/    /**     * 構造函數為私有，這樣在整個運行過程中該類就只能有一個實例     */    private DownloadPanel() {        super(new GridBagLayout());        //工具欄面板        GridBagConstraints constraints = new GridBagConstraints(            //gridx, gridy            0, 0,            //gridwidth, gridheight            1, 1,            //weightx, weighty            1.0, 0.0,            //anchor            GridBagConstraints.NORTH,            //fill            GridBagConstraints.HORIZONTAL,            //insets            new Insets(5, 0, 0, 0),            //ipadx, ipady            0, 0);        add(new Toolbar(), constraints);        //分割條面板        taskListPanel = new TaskListPanel();        fileViewPanel = new FileViewPanel();        friendViewPanel = new FriendViewPanel();        JSplitPane spliter1 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, false,            fileViewPanel, taskListPanel);        spliter1.setBorder(null);        spliter1.setOneTouchExpandable(true);        spliter1.setDividerLocation(180);        JSplitPane spliter2 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, false,            friendViewPanel, spliter1);        spliter2.setOneTouchExpandable(true);        spliter2.setDividerLocation(180);        constraints.gridy = 1;        constraints.weighty = 1.0;        constraints.fill = GridBagConstraints.BOTH;        constraints.insets = new Insets(5, 5, 5, 5);        add(spliter2, constraints);    }    /*------------------------------------------------------------------------*     *                                公共方法                                *     *------------------------------------------------------------------------*/    /**     * 對該類提供的一個全局訪問點，用來實例化該對象     *     * @return 該類唯一的一個實例     */    public static DownloadPanel getInstance() {        if (panel == null) {            panel = new DownloadPanel();        }        return panel;    }    /**     * 設置好友信息     *     * @param info 待設置的好友信息     */    public void setValue(UserInfo info) {        friendViewPanel.setValue(info);        String id = info.getBasicInfo().getID();        RequestAgent.getInstance(id).start();        TransferAgent.getInstance(id).start();    }    /**     * 添加好友     *     * @param id 待添加好友的ID     */    public void addFriend(String id) {        friendViewPanel.addFriend(id);    }    /**     * 刪除好友     *     * @param id 待刪除好友的ID     */    public void deleteFriend(String id) {        friendViewPanel.deleteFriend(id);    }    /**     * 返回選中好友的ID     *     * @return 選中好友的ID     */    public String getSelectedFriendID() {        return friendViewPanel.getSelectedFriendID();    }    /**     * 返回選中的下載文件     *     * @return 選中的下載文件     */    public String getSelectedFile() {        return fileViewPanel.getSelectedFile();    }    /**     * 添加下載     *     * @param file 文件名     * @param progress 下載進度     */    public void addDownload(String file, int progress) {        taskListPanel.addRow(file, progress);    }    /**     * 刪除下載     *     * @param file 文件名     */    public void deleteDownload(String file) {        taskListPanel.deleteRow(file);    }    /**     * 設置下載     *     * @param file 文件名     * @param progress 下載進度     */    public void setDownload(String file, int progress) {        taskListPanel.setProgress(file, progress);    }    /*------------------------------------------------------------------------*     *                                私有方法                                *     *------------------------------------------------------------------------*/    /**     * 生成請求URL     *     * @return 生成的請求URL     */    private String genURL() {        StringBuffer url = new StringBuffer();        url.append("http://");        url.append(XMLConfig.getServicesIP());        url.append(":");        url.append(XMLConfig.getGettingPort());        url.append("/");        return url.toString();    }    /**     * 生成XML-RPC請求消息     *     * @return 生成的XML-RPC請求消息     */    private XmlRpcRequest genRequest() {        //請求方法        StringBuffer method = new StringBuffer();        method.append(XMLConfig.getGettingClass());        method.append(".");        method.append(XMLConfig.getGettingMethod());        //請求參數        Vector params = new Vector();        XMLOutputter outputter = new XMLOutputter();        params.addElement(outputter.outputString(genDocument()));        return new XmlRpcRequest(method.toString(), params);    }    /**     * 生成XML文檔     *     * @return 生成的XML文檔     */    private Document genDocument() {        Element request = new Element("Request");        Element level1 = new Element("ID");        level1.setText(ViewPanel.getInstance().getUserID());        request.addContent(level1);        return new Document(request);    }    /**     * 設置樹型組件的附加選項     *     * @param tree 待設置的樹型組件     */    private void setTree(JTree tree) {        DefaultTreeSelectionModel model = new DefaultTreeSelectionModel();        model.setSelectionMode(model.SINGLE_TREE_SELECTION);        tree.setSelectionModel(model);        tree.setSelectionRow(0);        tree.expandRow(0);    }    /*------------------------------------------------------------------------*     *                                 內部類                                 *     *------------------------------------------------------------------------*/    /**     * 工具欄面板     */    class Toolbar extends JPanel {        /**         * Create a new instance of this class         */        public Toolbar() {            super(new FlowLayout(FlowLayout.CENTER, 5, 0));            //下載            JButton button = new JButton(DownloadAction.getInstance());            button.setIcon(ImageShop.DOWNLOAD_IMAGEICON);            button.addMouseListener(new SBChanger(                DownloadAction.getInstance().getHintInfo(), false));            add(button);        }    }    /**     * 好友視圖面板     */    class FriendViewPanel extends JPanel implements TreeSelectionListener {        /**         * 好友視圖標簽         */        private JLabel label;        /**         * 我的好友樹的視圖         */        private JTree friendTree;        /**         * 我的好友樹的模型         */        private DefaultTreeModel friendModel;        /**         * Create a new instance of this class         */        public FriendViewPanel() {            super(new GridBagLayout());            //好友視圖標簽            label = new JLabel("好友視圖");            GridBagConstraints constraints = new GridBagConstraints(                //gridx, gridy                0, 0,                //gridwidth, gridheight                1, 1,                //weightx, weighty                0.0, 0.0,                //anchor                GridBagConstraints.NORTHWEST,                //fill                GridBagConstraints.NONE,                //insets                new Insets(0, 5, 0, 0),                //ipadx, ipady                0, 0);            add(label, constraints);            //樹型組件            friendModel = new DefaultTreeModel(FRIEND_ROOT);            friendTree = new JTree(friendModel);            friendTree.addTreeSelectionListener(this);            setTree(friendTree);            setTreeCellRenderer();            JScrollPane scroller = new JScrollPane(friendTree,                JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);            constraints.gridy = 1;            constraints.weightx = 1.0;            constraints.weighty = 1.0;            constraints.fill = GridBagConstraints.BOTH;            constraints.insets = new Insets(0, 0, 0, 0);            add(scroller, constraints);        }        /**         * 設置好友信息         *         * @param info 待設置的好友信息         */        public void setValue(UserInfo info) {            if (info != null) {                unloadFriends();                loadFriends(info);                FRIEND_ROOT.setUserObject("我的好友(已登錄)");            }        }        /**         * 添加好友         *         * @param id 待添加好友的ID         */        public void addFriend(String id) {            if (id != null) {                DefaultMutableTreeNode child = new DefaultMutableTreeNode(id);                int count = FRIEND_ROOT.getChildCount();                friendModel.insertNodeInto(child, FRIEND_ROOT, count);                friendTree.expandRow(0);                friendTree.setSelectionRow(count + 1);            }        }        /**         * 刪除好友         *         * @param id 待刪除好友的ID         */        public void deleteFriend(String id) {