package org.catacomb.druid.swing;
   
   import org.catacomb.druid.event.LabelActor;
   import org.catacomb.druid.event.TextActor;
   import org.catacomb.interlish.interact.DComponent;
   import org.catacomb.interlish.structure.MouseActor;
   import org.catacomb.interlish.structure.MouseSource;
   import org.catacomb.report.E;
   
  
  import java.awt.BorderLayout;
  import java.awt.Color;
  
  import javax.swing.JPanel;
  
  public class DFloat extends JPanel
      implements DComponent, LabelActor, MouseSource, TextActor {
  
      static final long serialVersionUID = 1001;
  
      public final static int LOG = 1;
      public final static int LIN = 2;
  
      public int scale;
  
      double min0;
      double max0;
  
  
      DTextField dTextField;
      DFloatSlider dFloatSlider;
  
      LabelActor labelActor;
  
      double value;
  
  
  
  
      public DFloat(double val, double mn, double mx, String scl) {
          min0 = mn;
          max0 = mx;
  
          setScale(scl);
  
  
          setLayout(new BorderLayout(4, 0));
          dTextField = new DTextField("         ", 8);
          add("West", dTextField);
          dTextField.setLineBorder(0xc0c0c0);
          dTextField.setTextActor(this);
          dTextField.enableReturnEvents();
  
          dFloatSlider = new DFloatSlider(this, val, mn, mx, scale);
          dFloatSlider.setLabelActor(this);
          add("Center", dFloatSlider);
          showValue();
  
          dTextField.setTextActor(this);
  
      }
  
  
      public void setTooltip(String s) {
          dFloatSlider.setToolTipText(s);
          dTextField.setToolTipText(s);
      }
  
  
      public void setProperties(double val, double min, double max, String strscl) {
          min0 = min;
          max0 = max;
          setScale(strscl);
          dFloatSlider.setRange(min0, max0);
          dFloatSlider.setValue(val);
      }
  
  
      private final void setScale(String scl) {
          if (scl == null) {
              if (min0 > 0.) {
                  scale = LOG;
              } else {
                  scale = LIN;
              }
  
          } else if (scl.startsWith("log")) {
              scale = LOG;
  
          } else if (scl.startsWith("lin")) {
              scale = LIN;
          } else {
              E.error(" - unrecognized scale in DFloat " + scl);
              scale = LOG;
          }
  
          if (dFloatSlider != null) {
              dFloatSlider.setScale(scale);
          }
     }
 
 
     public void setMouseActor(MouseActor ma) {
         dFloatSlider.setMouseActor(ma);
 
     }
 
 
     public void setLabel(String s) {
         dFloatSlider.setLabel(s);
     }
 
 
     public void setBg(Color c) {
         dFloatSlider.setBg(c);
         setBackground(c);
     }
 
 
 
     public double getValue() {
         return value;
     }
 
 
     public void setValue(double d) {
         setValue(d, null);
     }
 
     public void setValue(double d, Object src) {
         value = d;
         dFloatSlider.setValue(d);
         showValue();
     }
 
 
     public void setFromSlider(double d) {
         value = d;
         showValue();
         notifyValueChange();
     }
 
 
     private void showValue() {
         // TODO this 4 should be a settable no of sig figs
         dTextField.setText(String.format("%.4g", new Double(value)));
         // Formatter.format(value, 0.1 * dFloatSlider.getTotalRange()));
     }
 
 
     public void notifyValueChange() {
         if (labelActor != null) {
             labelActor.labelAction("value_changed", true);
         }
     }
 
 
 
     public void setLabelActor(LabelActor lact) {
         labelActor = lact;
     }
 
 
 
     public void setEditable(boolean b) {
         dTextField.setEditable(b);
     }
 
 
     private void exportFromText() {
         String sval = dTextField.getText();
         try {
             double d = (new Double(sval)).doubleValue();
             setValue(d);
             dFloatSlider.setValue(d);
             notifyValueChange();
 
         } catch (Exception ex) {
             E.error(" - not a number " + sval);
         }
 
 
     }
 
 
 
 
     public void labelAction(String s, boolean b) {
         if (s.equals("return_pressed")) {
             // should be caught by text actor?;
 
         } else if (s.equals("accept_text")) {
             exportFromText();
 
         } else if (s.equals("accept_double")) {
             double d = dFloatSlider.getValue();
             setValue(d);
             showValue();
 
             notifyValueChange();
 
 
         } else {
             E.error("unhandled label action in DFloat " + s);
         }
     }
 
 
 
     public void textChanged(String stxt) {
 
     }
 
 
 
     public void textEntered(String txt) {
         exportFromText();
     }
 
 
     public void textEdited(String txt) {
         exportFromText();
     }
 
 
     public void focusGained() {
         // TODO Auto-generated method stub
 
     }
 
 
     public void focusLost() {
         // TODO Auto-generated method stub
 
     }
 
 }