05 - 封装Jqt类

把核心功能，封装到Jqt类中，之后会慢慢扩展这个类。目前具有功能是加载ui文件，将ui文件转换为Java代码，登录界面显示。

package jqt;

import io.qt.core.*;
import io.qt.core.Qt;
import io.qt.gui.QColor;
import io.qt.gui.QPixmap;
import io.qt.uic.Driver;
import io.qt.widgets.QApplication;
import io.qt.widgets.QSplashScreen;
import io.qt.widgets.QWidget;
import io.qt.widgets.tools.QUiLoader;

public class Jqt {
    static {
        loader = new QUiLoader();
    }
    private final static QUiLoader loader;
    private QSplashScreen splashScreen;

    private Jqt(){

    }
    public Jqt(String[] args, String loginImage){
        QApplication.setApplicationName("QtJambi");
        QApplication.initialize(args);
        splashScreen = new QSplashScreen();
        if (loginImage != null){
            splashScreen.setPixmap(new QPixmap(loginImage));
            splashScreen.show();
        }
    }
    protected void finalize() throws Throwable {
        QApplication.shutdown();
        super.finalize();
    }
    public void showLoginMessage(String message){
        showLoginMessage(message, new QColor(Qt.GlobalColor.black), Qt.AlignmentFlag.AlignRight, Qt.AlignmentFlag.AlignTop);
    }
    public void showLoginMessage(String message, QColor color, Qt.AlignmentFlag ... alignment){
        splashScreen.showMessage(message, new Qt.Alignment(alignment).toInt(), color);
    }
    public void run(){
        splashScreen.close();
        if (QApplication.allWindows().count() != 0)
             QApplication.exec();
    }
    public QWidget uiLoad(String ui){
        QFile file = new QFile(ui);
        file.open(QIODevice.OpenModeFlag.ReadOnly);
        QWidget widget = loader.load(file);
        file.close();
        return widget;
    }
    public void uiConvert(String inputFile, String outputDir, String targetPackage){
        Driver driver = new Driver();
        QCommandLineParser parser = new QCommandLineParser();
        parser.setSingleDashWordOptionMode(QCommandLineParser.SingleDashWordOptionMode.ParseAsLongOptions);
        parser.addHelpOption();
        parser.addVersionOption();

        QCommandLineOption postfixOption = new QCommandLineOption("postfix");
        postfixOption.setDescription("Postfix to add to all generated classnames.");
        postfixOption.setValueName("postfix");
        parser.addOption(postfixOption);

        QCommandLineOption translateOption = new QCommandLineOption(QList.of("tr", "translate"));
        translateOption.setDescription("Use <function> for i18n.");
        translateOption.setValueName("function");
        parser.addOption(translateOption);

        QCommandLineOption importOption = new QCommandLineOption(QList.of("i", "imports"));
        importOption.setDescription("Add imports to comma-separated packages and/or classes.");
        importOption.setValueName("imports");
        parser.addOption(importOption);

        driver.option().postfix = parser.value(postfixOption);
        driver.option().translateFunction = parser.value(translateOption);
        driver.option().imports = QDir.fromNativeSeparators(parser.value(importOption));
        driver.option().outputDir = QDir.fromNativeSeparators(outputDir);
        driver.option().targetPackage = targetPackage.contains("/")?
                targetPackage.replace('/','.'):targetPackage;
        driver.option().dependencies = true;
        driver.option().autoConnection = true;
        driver.option().noShellClass = false;
        driver.option().forceOutput = true;
        driver.option().idBased = true;
        driver.option().forceMemberFnPtrConnectionSyntax = true;
        driver.option().forceStringConnectionSyntax = true;

        driver.uic(inputFile, driver.option().outputDir,"java");
    }
}