package bluej.pkgmgr;

import bluej.Config;
import bluej.utility.Debug;
import bluej.utility.Utility;
import bluej.utility.javafx.JavaFXUtil;

import java.awt.Desktop;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

import javafx.beans.property.ReadOnlyStringWrapper;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.control.Button;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Modality;
import javafx.stage.Window;
import javafx.util.Pair;

import javax.swing.SwingUtilities;

import threadchecker.OnThread;
import threadchecker.Tag;




| A BlueJ and Greenfoot Shared About-Dialog.
|
| @author  Michael Kolling
|
@OnThread(Tag.FXPlatform)
public class AboutDialogTemplate extends Dialog<Void>{     
   


| Construct an About Dialog for BlueJ or Greenfoot.
|
| @param parent       The parent window.
| @param version      The application (bluej/greenfoot) version
| @param websiteURL   A url for the application website.
| @param image        The splash screen image for the application.
| @param translators  An array containing the translators names.
| @param previousTeamMembers An array containing previous team members names.
|
public AboutDialogTemplate(Window parent, String version, String websiteURL, Image image,
                              
   String[] translators, String[] previousTeamMembers)
   {
      initOwner(parent);
      initModality(Modality.WINDOW_MODAL);
      setTitle(Config.getString("menu.help.about"));
       
      setDialogPane(new DialogPane() {            
         @Override
         @OnThread(Tag.FX)
           
         protected Node createButtonBar()
           {                
            
            ButtonBar buttonBar = (ButtonBar)super.createButtonBar();
            buttonBar.setButtonOrder("_C_");
               
            return buttonBar;             
            }         
         });
      Config.addDialogStylesheets(getDialogPane());
      getDialogPane().getButtonTypes().add(ButtonType.CLOSE);

       
      TabPane tabs = JavaFXUtil.withStyleClass(new TabPane(
      createMainTab(version, websiteURL, image), createContributorsTab(translators, previousTeamMembers)),
               
      "about-tabs");

      getDialogPane().setContent(tabs);
      setResizable(false);     
      }

   
   


| Construct the tab which contains the main information of the about dialog.
|
| @param version     The application (bluej/greenfoot) version
| @param websiteURL  A url for the application website.
| @param image       The splash screen image for the application.
|
private Tab createMainTab(String version, String websiteURL, Image image)
   {        
      
      BorderPane aboutPanel = new BorderPane();
      JavaFXUtil.addStyleClass(aboutPanel, "about-dialog-content");

       
      
      aboutPanel.setCenter(JavaFXUtil.withStyleClass(new ImageView(image), "about-dialog-image"));

       
      
      VBox bottom = JavaFXUtil.withStyleClass(new VBox(), "about-more-info");
      aboutPanel.setBottom(bottom);

       
      
      String teamText = String.join(", ", "Amjad Altadmri", "Neil Brown", "Hamza Hamza",
               
      "Michael Kölling", "Davin McCall" + ".");

      bottom.getChildren().add(JavaFXUtil.withStyleClass(
               
      new Label(Config.getString("about.theTeam") + " " + teamText),
               
      "about-team"));

       
      bottom.getChildren().add(new Label(""));
      bottom.getChildren().add(JavaFXUtil.withStyleClass(
               
      new Label(Config.getString("about.version") + " " + version + "  (" +
      Config.getString("about.java.version") + " " +
      System.getProperty("java.version") + ")"), "about-version"));
       
      bottom.getChildren().add(new Label(Config.getString("about.vm") + " " +
      System.getProperty("java.vm.name") + " " +
      System.getProperty("java.vm.version") +
      " (" + System.getProperty("java.vm.vendor") + ")"));
       
      bottom.getChildren().add(new Label(Config.getString("about.runningOn") + " " +
      System.getProperty("os.name") + " " + System.getProperty("os.version") +
      " (" + System.getProperty("os.arch") + ")"));

       
      Button debugLogShow = new Button(Config.getString("about.openFolder"));
      debugLogShow.setOnAction(e -> SwingUtilities.invokeLater(() -> {
           
      try
           {                
         
         if (!Config.isLinux() && Desktop.isDesktopSupported())
               {
            Desktop.getDesktop().open(Config.getUserConfigDir());                 
            }

         else if (Config.isLinux())
               {
            Runtime.getRuntime().exec(
                           
            new String[] {"xdg-open", Config.getUserConfigDir().getAbsolutePath()
            });
         }             
      }
           
   catch (IOException ex)
           {
      Debug.reportError(ex);             
      }         
   }));
HBox debugLog = new HBox(new Label(Config.getString("about.logfile") + " " +
Config.getUserConfigFile(Config.debugLogName)), debugLogShow);
JavaFXUtil.addStyleClass(debugLog, "about-debuglog");
debugLog.setAlignment(Pos.BASELINE_LEFT);
bottom.getChildren().add(debugLog);

       
try
       {            
   final URL softwareURL = new URL(websiteURL);
           
   Hyperlink link = new Hyperlink(softwareURL.toString());
   link.setOnMouseClicked(e -> SwingUtilities.invokeLater(() ->
   Utility.openWebBrowser(softwareURL.toExternalForm())));
            
           
   HBox hbox = new HBox(new Label(Config.getString("about.moreInformation")), link);
   hbox.setAlignment(Pos.CENTER);
   JavaFXUtil.addStyleClass(hbox, "about-info-link");
   bottom.getChildren().add(hbox);         
   }
       
catch (MalformedURLException exc)
       {            
            
   }

       
Tab tab = new Tab(Config.getString("about.general.title"), aboutPanel);
tab.setClosable(false);
       
return tab;     
}

   



| Construct the tab which contains the Translators information.
|
| @param translators  An array containing the translators names. Could be null.
| @param previousTeamMembers An array containing previous team members names.
|
private Tab createContributorsTab(String[] translators, String[] previousTeamMembers)
   {        
   Tab tab = new Tab(Config.getString("about.contributors.title"));
   tab.setClosable(false);

       
   VBox vbox = new VBox();
   if (previousTeamMembers != null)
       {            
      Label teamTitle = new Label("\n" + Config.getString("about.previousTeamMembers.title") + "\n");
      teamTitle.getStyleClass().add("about-contributors-title");
      String names = String.join(", ", previousTeamMembers);
           
      Label teamLabel = new Label(names + ".");
      teamLabel.setPrefWidth(500);
      teamLabel.setWrapText(true);
      vbox.getChildren().addAll(teamTitle, teamLabel);         
      }
   if (translators != null)
       {            
      Label translatorTitle = new Label("\n" + Config.getString("about.translators.title") + "\n");
      translatorTitle.getStyleClass().add("about-contributors-title");
      vbox.getChildren().add(translatorTitle);
      ObservableList<Pair<String, String>> pairs = FXCollections.observableArrayList();
           
      for (int i = 0; i <translators.length - 1; i += 2)
           {                
         pairs.add(new Pair<>(translators[i], translators[i + 1]));             
         }
           
      TableView<Pair<String, String>> tableView = new TableView<>(pairs);
      tableView.getStyleClass().add("about-translators-table");
      tableView.setEditable(false);

           
      
      
      TableColumn<Pair<String, String>, String> languageColumn = new TableColumn<>();
      languageColumn.prefWidthProperty().bind(tableView.widthProperty().multiply(0.17));
           
      languageColumn.setCellValueFactory(param -> new ReadOnlyStringWrapper(param.getValue().getKey()));

           
      TableColumn<Pair<String, String>, String> nameColumn = new TableColumn<>();
      nameColumn.prefWidthProperty().bind(tableView.widthProperty().multiply(0.80));
           
      nameColumn.setCellValueFactory(param -> new ReadOnlyStringWrapper(param.getValue().getValue()));

      tableView.getColumns().setAll(languageColumn, nameColumn);
      vbox.getChildren().add(tableView);         
      }
   tab.setContent(vbox);
       
   return tab;     
   } 
}