package bluej.editor.moe;

import bluej.pkgmgr.Package;
import bluej.prefmgr.PrefMgr;
import bluej.prefmgr.PrefMgr.PrintSize;
import javafx.beans.binding.Bindings;
import javafx.beans.binding.BooleanExpression;
import javafx.beans.property.ReadOnlyBooleanWrapper;
import javafx.collections.FXCollections;
import javafx.geometry.Pos;
import javafx.scene.control.ButtonType;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Dialog;
import javafx.scene.control.Label;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Modality;
import javafx.stage.Window;
import bluej.Config;
import threadchecker.OnThread;
import threadchecker.Tag;




| A print dialog with options specific to the editor.
|
public class PrintDialog extends Dialog<PrintDialog.PrintChoices>{
   @OnThread(Tag.Any)
   
   public static class PrintChoices
{              

      public final boolean printDiagram;
       
      public final boolean printReadme;
       
      public final boolean printSource;
       
      
      
      public final PrintSize printSize;
       
      public final boolean printLineNumbers;
       
      public final boolean printHighlighting;

       
      public PrintChoices(boolean printDiagram, boolean printReadme, boolean printSource, PrintSize printSize, boolean printLineNumbers, boolean printHighlighting)
       {            
         this.printDiagram = printDiagram;
           
         this.printReadme = printReadme;
           
         this.printSource = printSource;
           
         this.printSize = printSize;
           
         this.printLineNumbers = printLineNumbers;
           
         this.printHighlighting = printHighlighting;         
         }     
      }

   
   
   
   
   private final BooleanExpression cannotPrint;

   
   


| Creates a new PrintDialog object.
|
| @param pkg The Package, if printing a whole package.
|            Null if printing a single class.
|
public PrintDialog(Window owner, Package pkg)
   {
      setTitle(Config.getString("editor.printDialog.title"));
      initOwner(owner);
      initModality(Modality.WINDOW_MODAL);

      getDialogPane().getButtonTypes().setAll(ButtonType.CANCEL, ButtonType.OK);

       
      ComboBox<PrintSize> comboSize = new ComboBox<>(FXCollections.observableArrayList(PrefMgr.PrintSize.values()));
      comboSize.getSelectionModel().select(PrefMgr.getPrintFontSize());
       
      HBox sizeRow = new HBox(new Label(Config.getString("editor.printDialog.fontSize")), comboSize);
      sizeRow.setAlignment(Pos.BASELINE_LEFT);
      sizeRow.setSpacing(10.0);

       
      CheckBox checkLineNumbers = new CheckBox(Config.getString("editor.printDialog.printLineNumbers"));
      checkLineNumbers.setSelected(PrefMgr.getFlag(PrefMgr.PRINT_LINE_NUMBERS));

       
      CheckBox checkHighlighting = new CheckBox(Config.getString("editor.printDialog.printHighlighting"));
      checkHighlighting.setSelected(PrefMgr.getFlag(PrefMgr.PRINT_SCOPE_HIGHLIGHTING));

       
      VBox vBox = new VBox(sizeRow, checkLineNumbers, checkHighlighting);
      vBox.setSpacing(8);

       
      final CheckBox checkReadme;
       
      final CheckBox checkDiagram;
       
      final CheckBox checkSource;
      if (pkg != null)
       {            
         checkSource = new CheckBox(Config.getString("pkgmgr.printDialog.printSource"));
         checkLineNumbers.disableProperty().bind(checkSource.selectedProperty().not());
         checkHighlighting.disableProperty().bind(checkSource.selectedProperty().not());
         checkSource.setSelected(PrefMgr.getFlag(PrefMgr.PACKAGE_PRINT_SOURCE));
         vBox.getChildren().add(0, checkSource);

           
         checkDiagram = new CheckBox(Config.getString("pkgmgr.printDialog.printDiagram"));
         checkDiagram.setSelected(PrefMgr.getFlag(PrefMgr.PACKAGE_PRINT_DIAGRAM));
         if (pkg.isUnnamedPackage())
           {                
            checkReadme = new CheckBox(Config.getString("pkgmgr.printDialog.printReadme"));
            checkReadme.setSelected(PrefMgr.getFlag(PrefMgr.PACKAGE_PRINT_README));
            vBox.getChildren().add(0, checkReadme);
            cannotPrint = Bindings.createBooleanBinding(
            () -> !checkSource.isSelected() && !checkDiagram.isSelected() && !checkReadme.isSelected(),
            checkSource.selectedProperty(),
            checkDiagram.selectedProperty(),
            checkReadme.selectedProperty());             
            }
           

         else
           {                
            checkReadme = null;
            cannotPrint = Bindings.createBooleanBinding(
            () -> !checkSource.isSelected() && !checkDiagram.isSelected(),
            checkSource.selectedProperty(), checkDiagram.selectedProperty());             
            }

         vBox.getChildren().add(0, checkDiagram);         
         }
       

      else
       {            
         checkReadme = null;
           
         checkDiagram = null;
           
         checkSource = null;
           
         
         cannotPrint = new ReadOnlyBooleanWrapper(false);         
         }

      getDialogPane().lookupButton(ButtonType.OK).disableProperty().bind(cannotPrint);

      getDialogPane().setContent(vBox);
      setResultConverter(bt -> {
      if (bt == ButtonType.OK)
           {
         if (checkDiagram != null)
         PrefMgr.setFlag(PrefMgr.PACKAGE_PRINT_DIAGRAM, checkDiagram.isSelected());
         if (checkReadme != null)
         PrefMgr.setFlag(PrefMgr.PACKAGE_PRINT_README, checkReadme.isSelected());
         if (checkSource != null)
         PrefMgr.setFlag(PrefMgr.PACKAGE_PRINT_SOURCE, checkSource.isSelected());
         PrefMgr.setFlag(PrefMgr.PRINT_LINE_NUMBERS, checkLineNumbers.isSelected());
         PrefMgr.setFlag(PrefMgr.PRINT_SCOPE_HIGHLIGHTING, checkHighlighting.isSelected());
         PrefMgr.setPrintFontSize(comboSize.getValue());
                
               
         return new PrintChoices(
         checkDiagram == null ? false : checkDiagram.isSelected(),
         checkReadme == null ? false : checkReadme.isSelected(),
         checkSource == null ? false : checkSource.isSelected(),
         comboSize.getValue(),
         checkLineNumbers.isSelected(),
         checkHighlighting.isSelected());             
         }
           
      return null;         
      });
   } 
}