资源浏览器的图形化组件，浏览器图形化组件,资源浏览器的图形化组件F

资源浏览器的图形化组件，浏览器图形化组件,资源浏览器的图形化组件F

资源浏览器的图形化组件

FileList.java

import java.awt.*;import javax.swing.*;import javax.swing.event.*;public class FileList extends JList<Object> {    class FileListModel implements ListModel<Object> {        private FolderNode node;        private final static char ALL = 'A';        char fileType = ALL;        public void setNode(FolderNode node) {            this.node = node;        }        public FolderNode getElementAt(int index) {            if (node != null)                return node.getChild(fileType, index);            else                return null;        }        public int getSize() {            if (node != null)                return node.getChildCount(fileType);            else                return 0;        }        public void addListDataListener(ListDataListener l) {        }        public void removeListDataListener(ListDataListener l) {        }    }    class MyCellRenderer extends JLabel implements ListCellRenderer<Object> {        private static final long serialVersionUID = 1L;        public MyCellRenderer() {            setOpaque(true);        }        public Component getListCellRendererComponent(JList<?> list,                Object value, int index, boolean isSelected,                boolean cellHasFocus) {            FolderNode node = (FolderNode) value;            setIcon(node.getIcon());            setText(value.toString());            setBackground(isSelected ? Color.BLUE.darker().darker()                    : Color.WHITE);            setForeground(isSelected ? Color.WHITE : Color.BLACK);            return this;        }    }    FileListModel dataModel;    static final long serialVersionUID = 10;    public FileList() {        dataModel = new FileListModel();        setModel(dataModel);        this.setCellRenderer(new MyCellRenderer());    }    public void fireTreeSelectionChanged(FolderNode node) {        dataModel.setNode(node);        updateUI();    }}

I_fileSystem.java

import javax.swing.*;public interface I_fileSystem {    final public static char DIRECTORY = 'D';    final public static char FILE = 'F';    final public static char ALL = 'A';    public Icon getIcon();    public I_fileSystem getChild(char fileType, int index);    public String getFullPath();     public int getChildCount(char fileType);    public boolean isLeaf(char fileType);    public int getIndexOfChild(char fileType, Object child);}

FileTree.java

import java.awt.*;import javax.swing.*;import javax.swing.event.*;import javax.swing.tree.*;public class FileTree extends JTree {    class FolderRenderer extends DefaultTreeCellRenderer {        private static final long serialVersionUID = 1L;        public Component getTreeCellRendererComponent(JTree tree, Object value,        boolean sel, boolean expanded, boolean leaf, int row,        boolean hasFocus) {            I_fileSystem node = (I_fileSystem) value;            Icon icon = node.getIcon();            setLeafIcon(icon);            setOpenIcon(icon);            setClosedIcon(icon);            return super.getTreeCellRendererComponent(tree, value, sel,                    expanded,                    leaf, row, hasFocus);        }    }    class FileSystemModel implements TreeModel {        I_fileSystem theRoot;        public FileSystemModel(I_fileSystem fs) {            theRoot = fs;        }        public Object getRoot() {            return theRoot;        }        public Object getChild(Object parent, int index) {            return ((I_fileSystem) parent).getChild(I_fileSystem.DIRECTORY, index);        }        public int getChildCount(Object parent) {            return ((I_fileSystem) parent).getChildCount(I_fileSystem.DIRECTORY);        }        public boolean isLeaf(Object node) {            return ((I_fileSystem) node).isLeaf(I_fileSystem.DIRECTORY);        }        public int getIndexOfChild(Object parent, Object child) {            return ((I_fileSystem) parent).getIndexOfChild(I_fileSystem.DIRECTORY, child);        }        public void valueForPathChanged(TreePath path, Object newValue) {        }        public void addTreeModelListener(TreeModelListener l) {        }        public void removeTreeModelListener(TreeModelListener l) {        }    }    static final long serialVersionUID = 0;    private FileList theList;    public FileTree(FileList list) {        theList = list;        setModel(new FileSystemModel(new FolderNode()));        this.setCellRenderer(new FolderRenderer());        addTreeSelectionListener(new TreeSelectionListener() {            public void valueChanged(TreeSelectionEvent tse) {            }        });        this.setSelectionRow(0);    }    public void fireValueChanged(TreeSelectionEvent tse) {        TreePath tp = tse.getNewLeadSelectionPath();        theList.fireTreeSelectionChanged((FolderNode) tp.getLastPathComponent());    }    public void fireTreeCollapsed(TreePath path) {        super.fireTreeCollapsed(path);        TreePath curpath = getSelectionPath();        if (path.isDescendant(curpath))            setSelectionPath(path);    }    public void fireTreeWillExpand(TreePath path) {        System.out.println("Path will expand is " + path);    }    public void fireTreeWillCollapse(TreePath path) {        System.out.println("Path will collapse is " + path);    }    class ExpansionListener implements TreeExpansionListener {        FileTree tree;        public ExpansionListener(FileTree ft) {            tree = ft;        }        public void treeCollapsed(TreeExpansionEvent tee) {        }        public void treeExpanded(TreeExpansionEvent tee) {        }    }}

FolderNode.java

import java.io.*;import java.util.*;import javax.swing.*;import javax.swing.filechooser.*;/** *  * A data model for a JTree. This model explorer windows file system directly. *  *  *  * <p> *  * Perhaps there is a fatal bug with this design. For speed, each of instances *  * of this model contains file objects of subdirectory, up to now, there isn't *  * any method to release them until program be end. I'm afraid that the memory *  * would be full of if the file system is large enough and JVM memery size *  * setted too small. *  *  *  * <p> *  * I won't pay more attention to solve it. it isn't goal of current a exercise. *  *  *  * @author Jason */public class FolderNode implements I_fileSystem {    private static FileSystemView fsView;    private static boolean showHiden = true;;    private File theFile;    private Vector<File> all = new Vector<File>();    private Vector<File> folder = new Vector<File>();    /**     *      * set that whether apply hiden file.     *      *      *      * @param ifshow     */    public void setShowHiden(boolean ifshow) {        showHiden = ifshow;    }    public Icon getIcon() {        return fsView.getSystemIcon(theFile);    }    public String toString() {        // return fsView.        return fsView.getSystemDisplayName(theFile);    }    /**     *      * create a root node. by default, it should be the DeskTop in window file     *      * system.     *      *      */    public FolderNode() {        fsView = FileSystemView.getFileSystemView();        theFile = fsView.getHomeDirectory();        prepareChildren();    }    private void prepareChildren() {        File[] files = fsView.getFiles(theFile, showHiden);        for (int i = 0; i < files.length; i++) {            all.add(files[i]);            if (files[i].isDirectory()            && !files[i].toString().toLowerCase().endsWith(".lnk")) {                folder.add(files[i]);            }        }    }    private FolderNode(File file) {        theFile = file;        prepareChildren();    }    public FolderNode getChild(char fileType, int index) {        if (I_fileSystem.DIRECTORY == fileType) {            return new FolderNode(folder.get(index));        } else if (I_fileSystem.ALL == fileType) {            return new FolderNode(all.get(index));        } else if (I_fileSystem.FILE == fileType) {            return null;        } else {            return null;        }    }    public int getChildCount(char fileType) {        if (I_fileSystem.DIRECTORY == fileType) {            return folder.size();        } else if (I_fileSystem.ALL == fileType) {            return all.size();        } else if (I_fileSystem.FILE == fileType) {            return -1;        } else {            return -1;        }    }    public boolean isLeaf(char fileType) {        if (I_fileSystem.DIRECTORY == fileType) {            return folder.size() == 0;        } else if (I_fileSystem.ALL == fileType) {            return all.size() == 0;        } else if (I_fileSystem.FILE == fileType) {            return true;        } else {            return true;        }    }    public int getIndexOfChild(char fileType, Object child) {        if (child instanceof FolderNode) {            if (I_fileSystem.DIRECTORY == fileType) {                return folder.indexOf(((FolderNode) child).theFile);            } else if (I_fileSystem.ALL == fileType) {                return all.indexOf(((FolderNode) child).theFile);            } else if (I_fileSystem.FILE == fileType) {                return -1;            } else {                return -1;            }        } else {            return -1;        }    }    @Override    public String getFullPath() {        return theFile.getAbsolutePath();    }}

JExplorer.java

import java.awt.*;import javax.swing.*;import java.awt.event.*;import java.awt.datatransfer.*;public class JExplorer extends JFrame {    private static final long serialVersionUID = 0l;    private static final int LEFT_WIDTH = 200;    private static final int RIGHT_WIDTH = 300;    private static final int WINDOW_HEIGHT = 300;    private JPopupMenu jmTree;    private JPopupMenu jmList;    private FileTree tree;    private FileList list;    public JExplorer() {        super("资源浏览器");        setPreferredSize(new Dimension(800, 600));        setLayout(new BorderLayout());        list = new FileList();        tree = new FileTree(list);        jmTree = new JPopupMenu();        JMenuItem jmiCopyPathName = new JMenuItem("复制目录全路径");        jmiCopyPathName.addActionListener(new ActionListener() {            @Override            public void actionPerformed(ActionEvent arg0) {                Clipboard clipboard = Toolkit.getDefaultToolkit()                        .getSystemClipboard();                Transferable tText = new StringSelection(((I_fileSystem) tree                        .getSelectionPath().getLastPathComponent())                        .getFullPath());                clipboard.setContents(tText, null);            }        });        jmTree.add(jmiCopyPathName);        tree.addMouseListener(new MouseAdapter() {            public void mouseClicked(MouseEvent e) {                if (e.getButton() == 3 && tree.getSelectionCount() > 0)                    jmTree.show(tree, e.getX(), e.getY());            }        });        tree.setDoubleBuffered(true);        jmList = new JPopupMenu();        JMenuItem jmiCopyFileName = new JMenuItem("复制文件系统对象全路径");        jmiCopyFileName.addActionListener(new ActionListener() {            @Override            public void actionPerformed(ActionEvent arg0) {                Clipboard clipboard = Toolkit.getDefaultToolkit()                        .getSystemClipboard();                Transferable tText = new StringSelection(((I_fileSystem)list.getSelectedValue()).getFullPath());                clipboard.setContents(tText, null);            }        });        jmList.add(jmiCopyFileName);        list.addMouseListener(new MouseAdapter() {            public void mouseClicked(MouseEvent e) {                if (e.getButton() == 3 && tree.getSelectionCount() > 0)                    jmList.show(list, e.getX(), e.getY());            }        });        list.setDoubleBuffered(true);        JScrollPane treeView = new JScrollPane(tree);        treeView.setPreferredSize(new Dimension(LEFT_WIDTH, WINDOW_HEIGHT));        JScrollPane listView = new JScrollPane(list);        listView.setPreferredSize(new Dimension(RIGHT_WIDTH, WINDOW_HEIGHT));        JSplitPane pane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, treeView,                listView);        pane.setDividerLocation(300);        pane.setDividerSize(4);        add(pane);        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        pack();        Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();        int left = (screen.width - getWidth()) / 2;        int top = (screen.height - getHeight()) / 2;        setLocation(left, top);        setVisible(true);    }    public static void main(String[] args) {        new JExplorer();    }}