terminalmenuhandlerfull.java

一个非常好的ssh客户端实现

/******************************************************************************
 *
 * Copyright (c) 1999-2003 AppGate Network Security AB. All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code as
 * defined in and that are subject to the MindTerm Public Source License,
 * Version 2.0, (the 'License'). You may not use this file except in compliance
 * with the License.
 * 
 * You should have received a copy of the MindTerm Public Source License
 * along with this software; see the file LICENSE.  If not, write to
 * AppGate Network Security AB, Otterhallegatan 2, SE-41118 Goteborg, SWEDEN
 *
 *****************************************************************************/

package com.mindbright.terminal;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

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

import com.mindbright.gui.AWTConvenience;
import com.mindbright.gui.AlertDialog;
import com.mindbright.gui.ConfirmDialog;

public final class TerminalMenuHandlerFull extends TerminalMenuHandler 
    implements ActionListener, ItemListener, TerminalPrinter
{
    protected final static int ACT_SETTINGS    = 0;
    protected final static int ACT_COLORS      = 1;
    protected final static int ACT_MISC        = 2;
    protected final static int ACT_FIND_CANCEL = 3;
    protected final static int ACT_FIND        = 4;

    private class Actions implements ActionListener, ItemListener {
	private int       action;

	public Actions(int action) {
	    this.action = action;
	}

	public void actionPerformed(ActionEvent e) {
	    switch(action) {
	    case ACT_SETTINGS:
		try {
		    term.setProperty("te", te[choiceTE.getSelectedIndex()]);
		    term.setProperty("fn", fn[choiceFN.getSelectedIndex()]);
		    term.setProperty("fs", textFS.getText());
		    term.setProperty("sb", sb[choiceSB.getSelectedIndex()]);
		    term.setProperty("sl", textSL.getText());
		    term.setProperty("gm", textCols.getText() + "x" + textRows.getText());

		    settingsDialog.setVisible(false);
		} catch (Exception ee) {
		    lblAlert.setText(ee.getMessage());
		}
		break;
	    case ACT_COLORS:
		try {
		    term.setProperty("fg", getSelectedColor(choiceFG, textFG));
		    term.setProperty("bg", getSelectedColor(choiceBG, textBG));
		    term.setProperty("cc", getSelectedColor(choiceCC, textCC));
		    colorsDialog.setVisible(false);
		} catch (Exception ee) {
		    lblAlertC.setText(ee.getMessage());
		}
		break;
	    case ACT_MISC:
		try {
		    term.setProperty("pb", pb[choicePB.getSelectedIndex()]);
		    term.setProperty("rg", rg[choiceRG.getSelectedIndex()]);
		    term.setProperty("sd", textSD.getText());
		    if(cbBS.getState())
			term.setProperty("bs", "DEL");
		    else
			term.setProperty("bs", "BS");
		    if(cbDEL.getState())
			term.setProperty("de", "BS");
		    else
			term.setProperty("de", "DEL");

		    term.setProperty("lp", String.valueOf(cbLocPG.getState()));
		    term.setProperty("sc", String.valueOf(cbCpWinCR.getState()));
		    term.setProperty("cs", String.valueOf(cbCpOnSel.getState()));
		    term.setProperty("ad", String.valueOf(cbAsciiLD.getState()));

		    settingsDialog2.setVisible(false);
		} catch (Exception ee) {
		    // !!! REMOVE
		    // Can't happen...
		    ee.printStackTrace();
		    System.out.println("Fatal error in dialog: " + ee);
		}
		break;
	    case ACT_FIND_CANCEL:
		findDialog.setVisible(false);
		if(findLen > 0) {
		    term.clearSelection(curFindRow, curFindCol, curFindRow, curFindCol + findLen - 1);
		}
		curFindRow = 0;
		curFindCol = 0;
		findLen    = 0;
		break;
	    case ACT_FIND:
		String txt = findText.getText();
		if(txt != null && txt.length() > 0) {
		    doFind();
		}
		break;
	    }
	}

	public void itemStateChanged(ItemEvent e) {
	    updateColors();
	}

    }

    TerminalWin term;
    String      titleName;

    Object[][]  menuItems;

    TerminalMenuListener listener;

    final static String[] settingsMenu = { "Terminal Settings",
					   "Emulation", "Resize gravity", "Font",
					   "Savelines", "Scrollbar", "Colors",
					   "Backspace"
    };

    final static int MENU_FILE     = 0;
    final static int MENU_EDIT     = 1;
    final static int MENU_SETTINGS = 2;
    final static int MENU_OPTIONS  = 3;

    final static int M_FILE_CAPTURE = 1;
    final static int M_FILE_SEND    = 2;
    final static int M_FILE_CLOSE   = 4;

    final static int M_SET_TERM     = 1;
    final static int M_SET_TERM_MSC = 2;
    final static int M_SET_TERM_COL = 3;

    final static int M_EDIT_COPY    = 1;
    final static int M_EDIT_PASTE   = 2;
    final static int M_EDIT_CPPASTE = 3;
    final static int M_EDIT_SELALL  = 4;
    final static int M_EDIT_FIND    = 5;
    final static int M_EDIT_CLS     = 7;
    final static int M_EDIT_CLEARSB = 8;
    final static int M_EDIT_VTRESET = 9;

    final static String[][] menuTexts = {
	{ "File", 
	  "_Capture To File...", "Send ASCII File...", null, "Close"
	},
	{ "Edit",
	  "Copy Ctrl+Ins", "Paste Shift+Ins", "Copy & Paste", "Select All",
	  "Find...", null,
	  "Clear Screen", "Clear Scrollback", "VT Reset"
	},
	{ "Settings",
	  "Terminal...", "Terminal Misc...", "Terminal Colors..."
	},
	{ "VT Options",
	  "_Reverse Video", "_Auto Wraparound", "_Reverse Wraparound",
	  "_Insert mode", "_Auto Linefeed",
	  "_Scroll to Bottom On Key Press",
	  "_Scroll to Bottom On Tty Output",
	  "_Visible Cursor", "_Local Echo",
	  "_Visual Bell",	"_Map <CTRL>+<SPC> To ^@",
	  "_Toggle 80/132 Columns", "_Enable 80/132 Switching",
	  "_Enable Passthrough Print"
	}
    };

    final static int NO_SHORTCUT = -1;
    final static int[][] menuShortCuts = {
	{ NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, KeyEvent.VK_E },

	{ NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, KeyEvent.VK_A,
	  KeyEvent.VK_F, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT },

	{ NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT },

	{ NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT,
	  NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT,
	  NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT,
	  NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT, NO_SHORTCUT },
    };

    // !!! OUCH
    public TerminalMenuHandlerFull() {
	this("MindTerm");
    }

    public TerminalMenuHandlerFull(String titleName) {
	setTitleName(titleName);
    }

    public void setTitleName(String titleName) {
	this.titleName = titleName;	
    }

    public void setTerminalWin(TerminalWin term) {
	this.term = term;
	term.attachPrinter(this);
    }

    public void setTerminalMenuListener(TerminalMenuListener listener) {
	this.listener = listener;
    }

    public void addBasicMenus(TerminalWin terminal, Frame frame) {
	MenuBar menubar = frame.getMenuBar();
	setTerminalWin(terminal);
	terminal.setMenus(this);
	menubar.add(getMenu(0));
	menubar.add(getMenu(1));
	menubar.add(getMenu(2));
	menubar.add(getMenu(3));
	frame.addWindowListener(new AWTConvenience.
	    CloseAdapter((MenuItem)menuItems[MENU_FILE][M_FILE_CLOSE]));
	terminal.setClipboard(GlobalClipboard.getClipboardHandler(this));
	terminal.updateMenus();
    }

    public void updateSelection(boolean selectionAvailable) {
	((MenuItem)menuItems[MENU_EDIT][M_EDIT_COPY]).setEnabled(
								 selectionAvailable);
	((MenuItem)menuItems[MENU_EDIT][M_EDIT_CPPASTE]).setEnabled(
								    selectionAvailable);
    }

    public void update() {
	if(listener != null) {
	    listener.update();
	}
    }

    Dialog settingsDialog;
    Choice choiceTE, choiceFN, choiceSB;
    TextField textFS, textRows, textCols, textInitPos;
    Label lblAlert;
    final static String[] sb = { "left", "right", "none" };
    final static String[] te = TerminalXTerm.getTerminalTypes();
    final static String[] fn = Toolkit.getDefaultToolkit().getFontList();
    public final void termSettingsDialog() {
	if(settingsDialog == null) {
	    settingsDialog = new Dialog(term.ownerFrame, settingsMenu[0], true);

	    Label              lbl;
	    GridBagLayout      grid  = new GridBagLayout();
	    GridBagConstraints gridc = new GridBagConstraints();
	    settingsDialog.setLayout(grid);

	    gridc.insets = new Insets(4, 4, 4, 4);
	    gridc.fill   = GridBagConstraints.NONE;
	    gridc.anchor = GridBagConstraints.WEST;

	    gridc.gridy = 0;
	    gridc.gridwidth = 6;
	    lbl = new Label("Terminal type:");
	    grid.setConstraints(lbl, gridc);
	    settingsDialog.add(lbl);
	    choiceTE = AWTConvenience.newChoice(te);
	    grid.setConstraints(choiceTE, gridc);
	    settingsDialog.add(choiceTE);

	    gridc.gridy = 1;
	    gridc.gridwidth = 4;
	    lbl = new Label("Columns:");
	    grid.setConstraints(lbl, gridc);
	    settingsDialog.add(lbl);

	    gridc.gridwidth = 2;
	    textCols = new TextField("", 3);
	    grid.setConstraints(textCols, gridc);
	    settingsDialog.add(textCols);

	    lbl = new Label("Rows:");
	    grid.setConstraints(lbl, gridc);
	    settingsDialog.add(lbl);

	    textRows = new TextField("", 3);
	    grid.setConstraints(textRows, gridc);
	    settingsDialog.add(textRows);

	    gridc.gridy = 2;
	    gridc.gridwidth = 2;
	    lbl = new Label("Font:");
	    grid.setConstraints(lbl, gridc);
	    settingsDialog.add(lbl);

	    gridc.gridwidth = 6;
	    choiceFN = AWTConvenience.newChoice(fn);
	    grid.setConstraints(choiceFN, gridc);
	    settingsDialog.add(choiceFN);

	    gridc.gridwidth = 2;
	    textFS = new TextField("", 3);
	    grid.setConstraints(textFS, gridc);
	    settingsDialog.add(textFS);

	    gridc.gridy = 3;
	    gridc.gridwidth = 6;
	    lbl = new Label("Scrollback buffer:");
	    grid.setConstraints(lbl, gridc);
	    settingsDialog.add(lbl);
	    textSL = new TextField("", 4);
	    grid.setConstraints(textSL, gridc);
	    settingsDialog.add(textSL);

	    gridc.gridy = 4;
	    lbl = new Label("Scrollbar position:");
	    grid.setConstraints(lbl, gridc);
	    settingsDialog.add(lbl);
	    choiceSB = AWTConvenience.newChoice(sb);
	    grid.setConstraints(choiceSB, gridc);
	    settingsDialog.add(choiceSB);

	    lblAlert = new Label("", Label.CENTER);
	    gridc.insets = new Insets(0, 0, 0, 0);
	    gridc.gridy = 5;
	    gridc.fill  = GridBagConstraints.HORIZONTAL;
	    gridc.gridwidth = GridBagConstraints.REMAINDER;
	    gridc.anchor = GridBagConstraints.CENTER;
	    grid.setConstraints(lblAlert, gridc);
	    settingsDialog.add(lblAlert);

	    Panel bp = new Panel(new FlowLayout());

	    Button b;
	    bp.add(b = new Button("OK"));
	    b.addActionListener(new Actions(ACT_SETTINGS));
	    bp.add(b = new Button("Cancel"));
	    b.addActionListener(new AWTConvenience.CloseAction(settingsDialog));

	    gridc.gridy = 6;
	    grid.setConstraints(bp, gridc);
	    settingsDialog.add(bp);

	    settingsDialog.addWindowListener(new AWTConvenience.CloseAdapter(b));

	    AWTConvenience.setBackgroundOfChildren(settingsDialog);

	    settingsDialog.setResizable(true);
	    settingsDialog.pack();
	}

	choiceTE.select(term.getProperty("te"));
	choiceFN.select(term.getProperty("fn"));
	textFS.setText(term.getProperty("fs"));
	textCols.setText(String.valueOf(term.cols()));
	textRows.setText(String.valueOf(term.rows()));
	choiceSB.select(term.getProperty("sb"));
	textSL.setText(term.getProperty("sl"));

	lblAlert.setText("");
	AWTConvenience.placeDialog(settingsDialog);

	choiceTE.requestFocus();
	settingsDialog.setVisible(true);
    }

    TextField textFG, textBG, textCC;
    Choice choiceFG, choiceBG, choiceCC;
    Dialog colorsDialog;
    Label lblAlertC;
    public final void termColorsDialog() {
	if(colorsDialog == null) {
	    colorsDialog = new Dialog(term.ownerFrame, "Terminal Colors", true);

	    ItemListener       ilC;
	    Label              lbl;
	    GridBagLayout      grid  = new GridBagLayout();