net.sf.anathema.framework.presenter.action.about.AnathemaAboutAction.java Source code

Introduction

Here is the source code for net.sf.anathema.framework.presenter.action.about.AnathemaAboutAction.java

Source

package net.sf.anathema.framework.presenter.action.about;

import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyCodeCombination;
import javafx.scene.web.WebView;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
import net.miginfocom.layout.CC;
import net.miginfocom.layout.LC;
import net.sf.anathema.interaction.Command;
import net.sf.anathema.framework.environment.Resources;
import net.sf.anathema.platform.fx.Stylesheet;
import net.sf.anathema.platform.markdown.HtmlConverter;
import net.sf.anathema.platform.markdown.HtmlText;
import net.sf.anathema.platform.markdown.WikiText;
import org.apache.commons.io.IOUtils;
import org.tbee.javafx.scene.layout.MigPane;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.MessageFormat;

public class AnathemaAboutAction implements Command {

    private final Resources resources;
    private Stage stage;

    public AnathemaAboutAction(Resources resources, Stage stage) {
        this.resources = resources;
        this.stage = stage;
    }

    @Override
    public void execute() {
        MigPane parent = new MigPane(new LC().fill().wrapAfter(1));
        parent.getStyleClass().add("thinborder");
        Scene scene = new Scene(parent, 300, 400);
        new Stylesheet("skin/platform/aboutDialog.css").applyToScene(scene);
        final Stage aboutStage = initializeDialogStage(scene);
        showProgramTitle(parent);
        showVersion(parent);
        showCopyrightAndLicense(parent);
        showCredits(parent);
        showCloseButton(parent, aboutStage);
        aboutStage.showAndWait();
    }

    private Stage initializeDialogStage(Scene scene) {
        final Stage aboutStage = new Stage();
        aboutStage.initStyle(StageStyle.UNDECORATED);
        aboutStage.initOwner(stage);
        aboutStage.setResizable(false);
        aboutStage.setTitle(resources.getString("Help.AboutDialog.Title"));
        aboutStage.setScene(scene);
        initCloseOnEscape(aboutStage);
        return aboutStage;
    }

    @SuppressWarnings("ConstantConditions")
    private void showCredits(MigPane parent) {
        try {
            InputStream content = getClass().getClassLoader().getResourceAsStream("about.md");
            URL stylesheet = getClass().getClassLoader().getResource("aboutPage.css");
            String markdownContent = IOUtils.toString(content);
            HtmlText htmlText = new HtmlConverter().convert(new WikiText(markdownContent));
            final WebView webView = new WebView();
            webView.getEngine().setUserStyleSheetLocation(stylesheet.toExternalForm());
            webView.getEngine().loadContent(htmlText.getHtmlText());
            parent.add(webView, new CC().pad(0, 2, 0, 2));
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    private void showCopyrightAndLicense(MigPane parent) {
        String copyright = resources.getString("Help.AboutDialog.CopyrightLabel");
        String license = resources.getString("Help.AboutDialog.LicenseLabel");
        parent.add(new Label(copyright), new CC().dockNorth().alignX("center"));
        parent.add(new Label(license), new CC().dockNorth().alignX("center"));
    }

    private void showVersion(MigPane parent) {
        String versionNumber = getString("Anathema.Version.Numeric");
        String buildLabel = getString("Help.AboutDialog.BuiltLabel");
        String buildDate = getString("Anathema.Version.Built");
        String version = MessageFormat.format("v{0}, {1} {2}", versionNumber, buildLabel, buildDate);
        parent.add(new Label(version), new CC().dockNorth().alignX("center").pad("2"));
    }

    private String getString(String key) {
        return resources.getString(key);
    }

    private void showProgramTitle(MigPane parent) {
        parent.add(new Label("Anathema"), new CC().dockNorth().alignX("center").pad("2"));
    }

    private void showCloseButton(MigPane parent, final Stage aboutStage) {
        Button close = new Button(getString("Help.AboutDialog.CloseButton"));
        close.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent actionEvent) {
                closeDialog(aboutStage);
            }
        });
        parent.add(close, new CC().dockSouth().alignX("center"));
    }

    private void initCloseOnEscape(final Stage aboutStage) {
        aboutStage.getScene().getAccelerators().put(new KeyCodeCombination(KeyCode.ESCAPE), new Runnable() {
            @Override
            public void run() {
                closeDialog(aboutStage);
            }
        });
    }

    private void closeDialog(Stage stage) {
        stage.close();
    }
}