package com.bytezone.dm3270.application;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import com.bytezone.dm3270.attributes.Attribute;
import com.bytezone.dm3270.attributes.ColorAttribute;
import com.bytezone.dm3270.attributes.ForegroundColor;
import com.bytezone.dm3270.attributes.StartFieldAttribute;
import com.bytezone.dm3270.commands.AIDCommand;
import com.bytezone.dm3270.commands.Command;
import com.bytezone.dm3270.commands.ReadStructuredFieldCommand;
import com.bytezone.dm3270.commands.WriteCommand;
import com.bytezone.dm3270.commands.WriteControlCharacter;
import com.bytezone.dm3270.orders.InsertCursorOrder;
import com.bytezone.dm3270.orders.Order;
import com.bytezone.dm3270.orders.SetBufferAddressOrder;
import com.bytezone.dm3270.orders.StartFieldExtendedOrder;
import com.bytezone.dm3270.orders.StartFieldOrder;
import com.bytezone.dm3270.orders.TextOrder;
import com.bytezone.dm3270.session.Session;
import com.bytezone.dm3270.session.SessionRecord;
import com.bytezone.dm3270.session.SessionRecord.SessionRecordType;
import com.bytezone.dm3270.streams.MainframeServer;
import com.bytezone.dm3270.streams.TelnetSocket.Source;
import com.bytezone.dm3270.streams.TelnetState;
import com.bytezone.dm3270.utilities.GuiFactory;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Orientation;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.RadioButton;
import javafx.scene.control.Separator;
import javafx.scene.control.Toggle;
import javafx.scene.control.ToggleGroup;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class MainframeStage extends Stage implements Mainframe
{
private static final int BUTTON_WIDTH = 120;
private static boolean UNPROTECTED = false;
private static boolean PROTECTED = true;
private static boolean ALPHA = false;
private static boolean NUMERIC = true;
private final List<Button> buttons = new ArrayList<> ();
private MainframeServer mainframeServer;
private final TelnetState telnetState;
private final RadioButton btnFieldMode;
private final RadioButton btnExtendedFieldMode;
private final RadioButton btnCharacterMode;
private final Button btnReadBuffer;
private final Button btnReadModified;
private final Button btnReadModifiedAll;
private final Button btnEraseAllUnprotected;
private final Button btnProgramTab1;
private final Button btnProgramTab2;
private final Button btnProgramTab3;
private final CommandFactory commandFactory = new CommandFactory ();
private final List<Attribute> attributes = new ArrayList<> ();
private final StartFieldAttribute fldOut = new StartFieldAttribute (
StartFieldAttribute.compile (PROTECTED, ALPHA, false, false, false));
private final StartFieldAttribute fldInAlpha = new StartFieldAttribute (
StartFieldAttribute.compile (UNPROTECTED, ALPHA, false, false, false));
private final StartFieldAttribute fldInNumeric = new StartFieldAttribute (
StartFieldAttribute.compile (UNPROTECTED, NUMERIC, false, false, false));
private final StartFieldAttribute fldEnd = new StartFieldAttribute (
StartFieldAttribute.compile (PROTECTED, NUMERIC, true, true, false));
public MainframeStage (TelnetState telnetState, int mainframePort) // usually 5555
{
this.telnetState = telnetState;
mainframeServer = new MainframeServer (mainframePort);
mainframeServer.setStage (this);
GuiFactory gui = new GuiFactory ();
final VBox vbox1 = gui.getVBox ();
for (int i = 0; i < 10; i++)
buttons.add (gui.getButton ("Empty", vbox1, BUTTON_WIDTH));
Separator separator = new Separator ();
separator.setOrientation (Orientation.HORIZONTAL);
final VBox vbox2 = gui.getVBox ();
btnReadBuffer = gui.getButton ("Read Buffer", vbox2, BUTTON_WIDTH);
btnReadModified = gui.getButton ("Read Modified", vbox2, BUTTON_WIDTH);
btnReadModifiedAll = gui.getButton ("Read Mod All", vbox2, BUTTON_WIDTH);
btnEraseAllUnprotected = gui.getButton ("Erase All Unpr", vbox2, BUTTON_WIDTH);
btnProgramTab1 = gui.getButton ("PT 1", vbox2, BUTTON_WIDTH);
btnProgramTab2 = gui.getButton ("PT 2", vbox2, BUTTON_WIDTH);
btnProgramTab3 = gui.getButton ("PT 3", vbox2, BUTTON_WIDTH);
final ToggleGroup modeGroup = new ToggleGroup ();
btnFieldMode = gui.getRadioButton ("Field Mode", vbox2, modeGroup);
btnExtendedFieldMode = gui.getRadioButton ("Extended Field Mode", vbox2, modeGroup);
btnCharacterMode = gui.getRadioButton ("Character Mode", vbox2, modeGroup);
btnFieldMode.setSelected (true); // match the default setting
modeGroup.selectedToggleProperty ().addListener (new OnToggleHandler ());
BorderPane borderPane = new BorderPane ();
borderPane.setLeft (vbox1);
borderPane.setRight (vbox2);
Scene scene = new Scene (borderPane);
setTitle ("Mainframe: " + mainframePort);
setScene (scene);
setX (1000);
setY (100);
prepareButtons ();
setOnCloseRequest (e -> Platform.exit ());
}
public void startServer ()
{
new Thread (mainframeServer).start ();
}
private SessionRecord createCommand ()
{
List<Order> orders = new ArrayList<> ();
addOutputField (orders, "Hello, World!", 170, ColorAttribute.COLOR_YELLOW);
addInputField (orders, 184, 8, ColorAttribute.COLOR_BLUE, true);
addOutputField (orders, "Refrigerator", 250, ColorAttribute.COLOR_YELLOW);
addInputField (orders, 264, 8, ColorAttribute.COLOR_GREEN, true);
addOutputField (orders, "Some numbers", 330, ColorAttribute.COLOR_YELLOW);
addInputField (orders, 344, 8, ColorAttribute.COLOR_PINK, false);
addInsertCursor (orders, 185);
// create an EraseWrite command
WriteControlCharacter wcc = new WriteControlCharacter ((byte) 0x7A);
Command command = new WriteCommand (wcc, true, false, orders);
return new SessionRecord (SessionRecordType.TN3270, command, Source.SERVER,
LocalDateTime.now (), true);
}
private void addOutputField (List<Order> orders, String label, int position, byte color)
{
orders.add (new SetBufferAddressOrder (position));
attributes.clear ();
attributes.add (new ForegroundColor (color));
orders.add (new StartFieldExtendedOrder (fldOut, attributes));
orders.add (new TextOrder (label));
}
private void addInputField (List<Order> orders, int position, int length, byte color,
boolean alpha)
{
orders.add (new SetBufferAddressOrder (position));
attributes.clear ();
attributes.add (new ForegroundColor (color));
orders.add (new StartFieldExtendedOrder (alpha ? fldInAlpha : fldInNumeric,
attributes));
orders.add (new SetBufferAddressOrder (position + length + 1)); // end of field
orders.add (new StartFieldOrder (fldEnd));
}
private void addInsertCursor (List<Order> orders, int position)
{
orders.add (new SetBufferAddressOrder (position));
orders.add (new InsertCursorOrder ());
}
private void prepareButtons ()
{
InputStream in = Console.class.getClassLoader ()
.getResourceAsStream ("com/bytezone/dm3270/application/mf.txt");
if (in == null)
{
System.out.println ("mf.txt not found");
return;
}
BufferedReader reader = new BufferedReader (new InputStreamReader (in));
String line;
List<String> lines = new ArrayList<String> ();
try
{
while ((line = reader.readLine ()) != null)
lines.add (line);
}
catch (IOException e)
{
e.printStackTrace ();
}
try
{
Session session = new Session (telnetState, lines);
List<String> labels = session.getLabels ();
SessionRecord dr = createCommand ();
session.add (dr);
labels.add ("Test");
int buttonNo = 0;
for (SessionRecord sessionRecord : session)
{
if (buttonNo < buttons.size ())
{
Button button = buttons.get (buttonNo);
button.setOnAction (x -> mainframeServer
.write (sessionRecord.getMessage ().getTelnetData ()));
if (buttonNo < labels.size ())
button.setText (labels.get (buttonNo));
buttonNo++;
}
}
}
catch (Exception e)
{
e.printStackTrace ();
}
btnReadBuffer.setOnAction (x -> mainframeServer
.write (commandFactory.createReadBufferCommand (Command.READ_BUFFER_F2)));
btnReadModified.setOnAction (x -> mainframeServer
.write (commandFactory.createReadBufferCommand (Command.READ_MODIFIED_F6)));
btnReadModifiedAll.setOnAction (x -> mainframeServer
.write (commandFactory.createReadBufferCommand (Command.READ_MODIFIED_ALL_6E)));
btnEraseAllUnprotected.setOnAction (x -> mainframeServer
.write (commandFactory.createEraseAllUnprotected ()));
btnProgramTab1.setOnAction (x -> mainframeServer
.write (commandFactory.createProgramTabCommand1 ()));
btnProgramTab2.setOnAction (x -> mainframeServer
.write (commandFactory.createProgramTabCommand2 ()));
btnProgramTab3.setOnAction (x -> mainframeServer
.write (commandFactory.createProgramTabCommand3 ()));
}
@Override
public void receiveCommand (Command command)
{
if (command instanceof ReadStructuredFieldCommand)
enableButtons (true);
if (command instanceof AIDCommand && ((AIDCommand) command).isPAKey ())
{
mainframeServer.write (commandFactory.createSetReplyModeCommand ((byte) 2));
mainframeServer
.write (commandFactory.createReadBufferCommand (Command.READ_MODIFIED_ALL_6E));
}
}
private void enableButtons (boolean enable)
{
for (Button button : buttons)
button.setDisable (!enable);
btnReadBuffer.setDisable (!enable);
btnReadModified.setDisable (!enable);
btnReadModifiedAll.setDisable (!enable);
btnEraseAllUnprotected.setDisable (!enable);
btnProgramTab1.setDisable (!enable);
btnProgramTab2.setDisable (!enable);
btnProgramTab3.setDisable (!enable);
btnFieldMode.setDisable (!enable);
btnExtendedFieldMode.setDisable (!enable);
btnCharacterMode.setDisable (!enable);
toFront ();
buttons.get (3).fire (); // ISPF (Erase Write)
buttons.get (4).fire (); // 3.4 (Write)
this.requestFocus ();
buttons.get (4).requestFocus ();
}
public void disconnect ()
{
if (mainframeServer != null)
{
mainframeServer.close ();
mainframeServer = null;
}
}
private class OnToggleHandler implements ChangeListener<Toggle>
{
@Override
public void changed (ObservableValue<? extends Toggle> ov, Toggle t, Toggle t1)
{
int value = t1 == btnFieldMode ? 0 : t1 == btnExtendedFieldMode ? 1 : 2;
mainframeServer.write (commandFactory.createSetReplyModeCommand ((byte) value));
}
}
}
