package bluej.pkgmgr.target;

import bluej.Config;
import bluej.editor.Editor;
import bluej.editor.EditorManager;
import bluej.pkgmgr.Package;
import bluej.pkgmgr.PackageEditor;
import bluej.utility.Debug;
import bluej.utility.javafx.JavaFXUtil;
import javafx.scene.control.ContextMenu;
import javafx.scene.control.MenuItem;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import threadchecker.OnThread;
import threadchecker.Tag;

import java.io.File;
import java.io.IOException;
import java.util.Properties;




| A parent package
|
| @author  Andrew Patterson
|
public class ReadmeTarget
extends NonCodeEditableTarget{    
   private static final String openStr = Config.getString("pkgmgr.packagemenu.open");

   
   public static final String README_ID = "@README";

   
   
   @OnThread(Tag.FXPlatform)
   
   private static Image readmeImage;
   @OnThread(Tag.FXPlatform)
   
   private static Image selectedReadmeImage;
   @OnThread(Tag.FXPlatform)
   
   private ImageView imageView;

   
   public ReadmeTarget(Package pkg)
   {        
      
      
      super(pkg, README_ID);

      if (readmeImage == null)
      readmeImage = Config.getImageAsFXImage("image.readme");
      if (selectedReadmeImage == null)
      selectedReadmeImage= Config.getImageAsFXImage("image.readme-selected");

      setPos(10, 10);
      setSize((int)readmeImage.getWidth(), (int)readmeImage.getHeight());
      JavaFXUtil.addStyleClass(pane, "readme-target");
      pane.setTop(null);
       
      imageView = new ImageView();
      imageView.setImage(readmeImage);
      pane.setCenter(imageView);     
      }

   
   @Override
   
   public void load(Properties props, String prefix) throws NumberFormatException
   {     
   }

   


|
| @return the name of the (text) file this target corresponds to.
|
@Override
   
public File getSourceFile()
   {        
   return new File(getPackage().getPath(), Package.readmeName);     
   }

   
@Override
@OnThread(Tag.FX)
   
public boolean isResizable()
   {        
   return false;     
   }
    
   


|
| Although we do save some information (the editor position) about a Readme
| this is not done via the usual target save mechanism. If the normal save
| mechanism was used, the readme target would appear as a normal target.
| This would result in not being able to open a project saved in a newer
| BlueJ version with an older BlueJ version.
|
@Override
@OnThread(Tag.Any)
   
public boolean isSaveable()
   {        
   return false;     
   }

   
@Override
   
public Editor getEditor()
   {
   if (editor == null) {
      editor = EditorManager.getEditorManager().openText(
      getSourceFile().getPath(),
      getPackage().getProject().getProjectCharset(),
      Package.readmeName, getPackage().getProject()::getDefaultFXTabbedEditor);         
      }
       
   return editor;     
   }

   
private void openEditor(boolean openInNewWindow)
   {
   if (editor == null) {
      if (! getSourceFile().exists()) {                
         try {
         getSourceFile().createNewFile();                 
         }
               
      catch (IOException ioe) {
         Debug.reportError("Couldn't open README", ioe);                 
         }             
      }         
   }
        
      

if (getEditor() != null) {
   editor.setEditorVisible(true, openInNewWindow);        
   }     
}

   


|
| Called when a package icon in a GraphEditor is double clicked.
| Creates a new PkgFrame when a package is drilled down on.
|
@Override
@OnThread(Tag.FXPlatform)
   
public void doubleClick(boolean openInNewWindow)
   {
   openEditor(openInNewWindow);     
   }

   


|
| Post the context menu for this target.
|
@Override
@OnThread(Tag.FXPlatform)
   
public void popupMenu(int x, int y, PackageEditor editor)
   {
   ContextMenu menu = createMenu();
   if (menu != null) {
      showingMenu(menu);
      menu.show(getNode(), x, y);         
      }     
   }
    
@OnThread(Tag.FXPlatform)
   
private ContextMenu createMenu()
   {        
   MenuItem open = new MenuItem(openStr);
   open.setOnAction(e -> openEditor(false));
   JavaFXUtil.addStyleClass(open, "class-action-inbuilt");
       
   return new ContextMenu(open);     
   }

   
@Override
   
public void remove()
   {        
        
   }
        
   
@Override
   
public @OnThread(Tag.FXPlatform) void setSelected(boolean selected)
   {
   super.setSelected(selected);
   imageView.setImage(selected ? selectedReadmeImage : readmeImage);      
   } 
}