shortcutdisk.java

来自「JavaExplorer是一个独立于平台的浏览器」· Java 代码 · 共 407 行

/**
  * File and FTP Explorer
  * Copyright 2002
  * BOESCH Vincent
  *
  * 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 javaexplorer.gui.disk;

import java.awt.*;
import java.awt.event.*;

import javaexplorer.Launcher;

import javaexplorer.gui.dnd.*;
import javaexplorer.gui.renderer.*;
import javaexplorer.gui.treenode.shortcut.*;

import javaexplorer.model.XFile;

import javaexplorer.util.shortcut.*;

import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.tree.*;


/**
 *@author     BOESCH Vincent
 *@created    21 janvier 2002
 *@version    3.3
 */
public class ShortcutDisk extends JPanel implements Disk, ActionListener,
    TreeSelectionListener {
    private Launcher _launcher = null;
    private Shortcut _scCut = null;
    private ShortcutTreeNode _stnRoot = null;
    private ShortcutTreeNode _stnSelected = null;
    BorderLayout borderLayout1 = new BorderLayout();
    BorderLayout borderLayout2 = new BorderLayout();
    GridLayout gridLayout2 = new GridLayout();
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JPanel jPanel1 = new JPanel();
    JPanel jPanel2 = new JPanel();
    JPanel jPanel3 = new JPanel();
    JScrollPane jScrollPane1 = new JScrollPane();
    XTree jTree1 = new XTree();
    JButton jbtCreate = new JButton();
    JButton jbtCut = new JButton();
    JButton jbtDelete = new JButton();
    JButton jbtModify = new JButton();
    JButton jbtPaste = new JButton();
    JTextField jtfFile = new JTextField();
    JTextField jtfTitle = new JTextField();
    TitledBorder titledBorder1;

    /**
     *  Constructeur objet ShortcutDisk
     *
     *@param  launcher  Description of the
     *      Parameter
     */
    public ShortcutDisk(Launcher launcher) {
        try {
            _launcher = launcher;
            jbInit();
        } catch (Exception e) {
            javaexplorer.util.Log.addError(e);
        }
    }

    /**
     *@param  e  Description of the Parameter
     */
    public void actionPerformed(ActionEvent e) {
        Object obj = e.getSource();

        if (obj == jbtDelete) {
            deleteShortcut();

            return;
        }

        if (obj == jbtModify) {
            modifyShortcut();

            return;
        }

        if (obj == jbtCreate) {
            createDir();

            return;
        }

        if (obj == jbtCut) {
            cutShortcut();

            return;
        }

        if (obj == jbtPaste) {
            pasteShortcut();

            return;
        }
    }

    /**
     */
    public void createDir() {
        if (_stnSelected == null) {
            return;
        }

        String title = jtfTitle.getText();

        if ((title == null) || (title.length() == 0)) {
            return;
        }

        Shortcut sc = _stnSelected.getShortcut();
        ShortcutContainer parent = null;

        if (sc instanceof ShortcutContainer) {
            parent = (ShortcutContainer) sc;
        } else {
            ShortcutTreeNode tnParent = (ShortcutTreeNode) _stnSelected.getParent();

            if (tnParent == null) {
                tnParent = _stnRoot;
            }

            parent = (ShortcutContainer) tnParent.getShortcut();
        }

        ShortcutContainer scc = new ShortcutContainer();
        scc.setTitle(title);
        parent.addShortcut(scc);
        jTree1.setModel(new DefaultTreeModel(_stnRoot));
        jTree1.setSelectionRow(0);
    }

    /**
     */
    public void cutShortcut() {
        if (_stnSelected == null) {
            return;
        }

        _scCut = _stnSelected.getShortcut();
        deleteShortcut();
    }

    /**
     */
    public void deleteShortcut() {
        if ((_stnSelected == null) || (_stnSelected == _stnRoot)) {
            return;
        }

        ShortcutTreeNode parent = (ShortcutTreeNode) _stnSelected.getParent();
        ShortcutContainer scc = null;

        if (parent == null) {
            parent = _stnRoot;
        }

        scc = (ShortcutContainer) (parent.getShortcut());
        scc.removeShortcut(_stnSelected.getShortcut().getTitle());

        jTree1.setModel(new DefaultTreeModel(_stnRoot));
        jTree1.setSelectionRow(0);
    }

    /**
     *  Gets the container attribute of the
     *  ShortcutDisk object
     *
     *@return    The container value
     */
    public ShortcutContainer getContainer() {
        return (ShortcutContainer) _stnRoot.getShortcut();
    }

    /**
     *  Gets the root attribute of the ShortcutDisk
     *  object
     *
     *@return    The root value
     */
    public Object getRoot() {
        return _stnRoot;
    }

    /**
     *@param  e  Description of the Parameter
     */
    void jTree1_keyPressed(KeyEvent e) {
        int code = e.getKeyCode();

        if (e.isControlDown()) {
            switch (code) {
            case KeyEvent.VK_X:
                cutShortcut();

                break;

            case KeyEvent.VK_V:
                pasteShortcut();

                break;

            case KeyEvent.VK_N:
                createDir();

                break;

            case KeyEvent.VK_M:
                modifyShortcut();

                break;
            }
        } else {
            if (code == KeyEvent.VK_DELETE) {
                deleteShortcut();
            }
        }
    }

    /**
     *@throws  Exception  Description of the
     *      Exception
     */
    private void jbInit() throws Exception {
        titledBorder1 = new TitledBorder("");
        this.setLayout(borderLayout1);
        jPanel1.setLayout(borderLayout2);
        jScrollPane1.setBorder(BorderFactory.createLineBorder(Color.black));
        this.setBorder(titledBorder1);
        jPanel2.setLayout(gridLayout2);
        gridLayout2.setRows(2);
        gridLayout2.setColumns(2);
        jLabel2.setText("link");
        jLabel1.setText("label");
        jbtDelete.setText("Delete");
        jbtModify.setText("Modify");
        jbtCreate.setText("Create Dir");
        jtfFile.setToolTipText("");
        jtfFile.setEditable(false);
        jTree1.addTreeSelectionListener(this);
        jbtCut.setText("Cut");
        jbtPaste.setText("Paste");
        jTree1.addKeyListener(new java.awt.event.KeyAdapter() {
                public void keyPressed(KeyEvent e) {
                    jTree1_keyPressed(e);
                }
            });
        this.add(jScrollPane1, BorderLayout.CENTER);
        this.add(jPanel1, BorderLayout.SOUTH);
        jPanel1.add(jPanel2, BorderLayout.CENTER);
        jPanel2.add(jLabel1, null);
        jPanel2.add(jtfTitle, null);
        jPanel2.add(jLabel2, null);
        jPanel2.add(jtfFile, null);
        jPanel1.add(jPanel3, BorderLayout.SOUTH);
        jPanel3.add(jbtDelete, null);
        jPanel3.add(jbtModify, null);
        jPanel3.add(jbtCut, null);
        jPanel3.add(jbtPaste, null);
        jPanel3.add(jbtCreate, null);
        jScrollPane1.getViewport().add(jTree1, null);
        jTree1.setRootVisible(true);
        jTree1.setCellRenderer(new ShortcutTreeCellRenderer());
        jTree1.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
        jbtDelete.addActionListener(this);
        jbtModify.addActionListener(this);
        jbtCreate.addActionListener(this);
        jbtCut.addActionListener(this);
        jbtPaste.addActionListener(this);
    }

    /**
     */
    public void modifyShortcut() {
        if (_stnSelected == null) {
            return;
        }

        Shortcut sc = _stnSelected.getShortcut();
        String title = jtfTitle.getText();

        if ((title == null) || (title.length() == 0)) {
            return;
        }

        sc.setTitle(title);
        jTree1.setModel(new DefaultTreeModel(_stnRoot));
        jTree1.setSelectionRow(0);
    }

    /**
     */
    public void pasteShortcut() {
        if (_scCut == null) {
            return;
        }

        if (_stnSelected == null) {
            return;
        }

        ShortcutContainer parent = null;

        Shortcut sc = _stnSelected.getShortcut();

        if (sc instanceof ShortcutContainer) {
            parent = (ShortcutContainer) sc;
        } else {
            ShortcutTreeNode tnParent = (ShortcutTreeNode) _stnSelected.getParent();

            if (tnParent == null) {
                tnParent = _stnRoot;
            }

            parent = (ShortcutContainer) tnParent.getShortcut();
        }

        parent.addShortcut(_scCut);
        _scCut = null;
        jTree1.setModel(new DefaultTreeModel(_stnRoot));
        jTree1.setSelectionRow(0);
    }

    /**
     *@param  f  Description of the Parameter
     */
    public void refreshView(XFile f) {
        //Sans objet
    }

    /**
     *  Sets the container attribute of the
     *  ShortcutDisk object
     *
     *@param  sc  The new container value
     */
    public void setContainer(ShortcutContainer sc) {
        _stnRoot = new ShortcutTreeNode(sc);
        jTree1.setModel(new DefaultTreeModel(_stnRoot));
        jTree1.setSelectionRow(0);
    }

    /**
     *  Sets the launcher attribute of the
     *  ShortcutDisk object
     *
     *@param  launcher  The new launcher value
     */
    public void setLauncher(Launcher launcher) {
        _launcher = launcher;
    }

    /**
     */
    public void updateVisual() {
        Shortcut sc = _stnSelected.getShortcut();
        jtfTitle.setText(sc.getTitle());

        if (sc instanceof ShortcutContainer) {
            jtfFile.setText("");
        } else {
            jtfFile.setText(sc.getXFile().toString());
        }
    }

    /**
     *@param  e  Description of the Parameter
     */
    public void valueChanged(TreeSelectionEvent e) {
        TreePath tp = jTree1.getSelectionPath();

        if (tp != null) {
            Object obj = tp.getLastPathComponent();

            if (obj != null) {
                _stnSelected = (ShortcutTreeNode) obj;
                updateVisual();
            }
        }
    }
}