com.playonlinux.javafx.mainwindow.console.ConsoleTab.java Source code

Introduction

Here is the source code for com.playonlinux.javafx.mainwindow.console.ConsoleTab.java

Source

/*
 * Copyright (C) 2015 PRIS Quentin
 * Copyright (C) 2015 Markus Ebner
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.playonlinux.javafx.mainwindow.console;

import static com.playonlinux.core.lang.Localisation.translate;

import org.apache.commons.lang.StringUtils;

import com.playonlinux.core.python.CommandInterpreter;
import com.playonlinux.ui.api.CommandLineInterpreterFactory;
import com.playonlinux.ui.api.PlayOnLinuxWindow;
import com.playonlinux.ui.common.CommandHistory;

import javafx.application.Platform;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.Tab;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyCode;
import javafx.scene.layout.VBox;
import javafx.scene.text.Text;
import javafx.scene.text.TextFlow;

public class ConsoleTab extends Tab implements PlayOnLinuxWindow {

    private static final String NOT_INSIDE_BLOCK = ">>> ";
    private static final String INSIDE_BLOCK = "... ";

    private final CommandHistory commandHistory = new CommandHistory();

    final CommandInterpreter commandInterpreter;

    private String nextSymbol = NOT_INSIDE_BLOCK;

    public ConsoleTab(CommandLineInterpreterFactory commandLineInterpreterFactory) {
        final VBox content = new VBox();

        commandInterpreter = commandLineInterpreterFactory.createInstance();

        this.setText(translate("Console"));
        this.setContent(content);

        final TextField command = new TextField();
        command.getStyleClass().add("consoleCommandType");
        final TextFlow console = new TextFlow();
        final ScrollPane consolePane = new ScrollPane(console);
        content.getStyleClass().add("rightPane");

        consolePane.getStyleClass().add("console");
        consolePane.setVbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
        content.getChildren().addAll(consolePane, command);

        command.requestFocus();

        command.setOnKeyPressed(event -> {
            if (event.getCode() == KeyCode.ENTER) {
                final String commandToSend = command.getText();
                final int cursorPosition = command.getCaretPosition();
                command.setDisable(true);
                commandHistory.add(new CommandHistory.Item(commandToSend, cursorPosition));
                Text commandText = new Text(nextSymbol + commandToSend + "\n");
                commandText.getStyleClass().add("commandText");
                console.getChildren().add(commandText);
                command.setText("");

                if (commandInterpreter.sendLine(commandToSend, message -> {
                    Platform.runLater(() -> {
                        if (!StringUtils.isBlank(message)) {
                            Text resultText = new Text(message);
                            resultText.getStyleClass().add("resultText");
                            console.getChildren().add(resultText);
                        }
                        command.setDisable(false);
                        command.requestFocus();
                        consolePane.setVvalue(consolePane.getVmax());
                    });
                })) {
                    nextSymbol = NOT_INSIDE_BLOCK;
                } else {
                    nextSymbol = INSIDE_BLOCK;
                }
            }
        });

        command.setOnKeyReleased(event -> {
            if (event.getCode() == KeyCode.UP) {
                CommandHistory.Item historyItem = commandHistory.up();
                command.setText(historyItem.getCommand());
                command.positionCaret(historyItem.getCursorPosition());
            } else if (event.getCode() == KeyCode.DOWN) {
                CommandHistory.Item historyItem = commandHistory.down();
                command.setText(historyItem.getCommand());
                command.positionCaret(historyItem.getCursorPosition());
            }
        });

        this.setOnCloseRequest(event -> commandInterpreter.close());
    }

}