package org.catacomb.druid.swing;
   
   import org.catacomb.interlish.content.IntPosition;
   import org.catacomb.interlish.interact.DComponent;
   import org.catacomb.interlish.structure.TextPainter;
   
   import java.awt.*;
   
   import javax.swing.JPanel;
  
  import javax.swing.Scrollable;
  
  
  
  public class DTextCanvas extends JPanel implements DComponent, Scrollable {
      private static final long serialVersionUID = 1L;
  
  
  
      BasicStroke bs1 = new BasicStroke((float)1.0);
  
      Color bgColor = new Color(32, 232, 238);  // ADHOC
      boolean antialias;
  
      TextPainter textPainter;
  
      int txtHeight;
  
      DPanel parentPanel;
  
      public DTextCanvas() {
          setFont(new Font("sansserif", Font.PLAIN, 12));
          txtHeight=400;
      }
  
  
  
      public void setTooltip(String s) {
          setToolTipText(s);
      }
  
  
  
  
      public void setTextPainter(TextPainter tp) {
          textPainter = tp;
      }
  
      public void paintComponent(Graphics g0) {
  
          g0.setColor(bgColor);
          g0.fillRect(0, 0, getWidth(), getHeight());
          Graphics2D g = (Graphics2D)g0;
  
          if (antialias) {
              g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                 RenderingHints.VALUE_ANTIALIAS_ON);
          } else {
              g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                 RenderingHints.VALUE_ANTIALIAS_OFF);
          }
  
          simpleStroke(g);
  
          paint2D(g);
  
      }
  
      final void simpleStroke(Graphics2D g) {
          g.setStroke(bs1);
      }
  
      public void paint2D(Graphics2D g) {
  
          if (textPainter != null) {
              textPainter.paintText(g);
  
              txtHeight = textPainter.getFullTextHeight();
          }
  
  
      }
  
      public void requestRepaint() {
          repaint();
      }
  
      public IntPosition getScreenPosition() {
          Point p = getLocationOnScreen();
          return new IntPosition((int)(p.getX()), (int)(p.getY()));
      }
  
      public void setAntialias(boolean b) {
          antialias = b;
          repaint();
      }
  
  
      public boolean containsPoint(IntPosition pos) {
         int x = pos.getX();
         int y = pos.getY();
         boolean ret = (x > 5 &&  y > 10 &&
                        x < getWidth() - 10 && y < getHeight() - 10);
         return ret;
     }
 
 
 
     public void contentSizeChanged() {
         invalidate();
         if (parentPanel != null) {
             parentPanel.validate();
         }
         repaint();
     }
 
 
 
     public Dimension getPreferredSize() {
         return new Dimension(getWidth(), txtHeight);
     }
 
 
     public Dimension getPreferredScrollableViewportSize() {
         Dimension d = getPreferredSize();
         Dimension ret = d; // new Dimension((int)(d.getWidth()), txtHeight);
         return ret;
     }
 
     public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
         return 25;
     }
 
     public boolean getScrollableTracksViewportHeight() {
         return false;
     }
 
     public boolean getScrollableTracksViewportWidth() {
         return true;
     }
 
     public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {
         return 25;
     }
 
 
 
 
 
 
     public void setParentContainer(DPanel dp) {
         parentPanel = dp;
     }
 
 
 
 
 
 
 
 }