Init

src/java/misc/SpinnerSlider.java

@@ -0,0 +1,125 @@
+package misc;
+
+import java.awt.Dimension;
+import java.awt.GridBagLayout;
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.util.Locale;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JSlider;
+import javax.swing.JSpinner;
+import javax.swing.SpinnerNumberModel;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import javax.swing.event.ChangeListener;
+
+import misc.Util;
+import static misc.Util.GBC;
+import static misc.Util.GBCNL;
+
+/**
+   Spinner and Slider
+*/
+@SuppressWarnings ("serial")
+public class SpinnerSlider extends JPanel implements ChangeListener {
+
+    static public int MaxPrecision = 10000;
+    static public NumberFormat numberFormat;
+    static {
+	numberFormat = NumberFormat.getInstance (Locale.FRENCH);
+	//numberFormat = new DecimalFormat ("#,##0.###,#");
+	numberFormat.setGroupingUsed (true);
+	numberFormat.setMinimumFractionDigits (0);
+	numberFormat.setMaximumFractionDigits (12);
+    }
+
+    // ========================================
+    public interface Accessor {
+	/** current */
+	public void set (double value);
+	/** minValue, maxValue, current */
+	public double [] get ();
+    };
+    Accessor accessor;
+
+    // ========================================
+    public double minValue, maxValue;
+    public SpinnerNumberModel snm = new SpinnerNumberModel (0., 0., 0., 1.) {
+	    public Object getPreviousValue () {
+		Number value = (Number) super.getPreviousValue ();
+		return SpinnerSlider.this.getPreviousValue (value);
+	    }
+	    public Object getNextValue () {
+		Number value = (Number) super.getNextValue ();
+		return SpinnerSlider.this.getNextValue (value);
+	    }
+	};
+    public JSpinner spinner = new JSpinner (snm);
+    public JLabel label = new JLabel ("/0");
+    private JSlider slider = new JSlider (0, MaxPrecision, 1);
+
+    // ========================================
+    public SpinnerSlider (Accessor accessor, int textLength, float slideWidthCoef) {
+	super (null);
+	this.accessor = accessor;
+
+	snm.addChangeListener (this);
+	slider.addChangeListener (this);
+	((JSpinner.DefaultEditor) spinner.getEditor ()).getTextField ().setColumns (textLength);
+
+	JSpinner.NumberEditor editor = (JSpinner.NumberEditor) spinner.getEditor ();
+	DecimalFormat format = editor.getFormat ();
+	format.setDecimalSeparatorAlwaysShown (true);
+	format.setMinimumFractionDigits (0);
+	format.setMaximumFractionDigits (12);
+
+	setLayout (new GridBagLayout ());
+	Util.addComponent (spinner, this, GBC);
+	Util.addComponent (label, this,  GBC);
+	Util.addComponent (slider, this, GBCNL);
+
+	Dimension d = slider.getPreferredSize ();
+	d.width = (int)(slideWidthCoef*d.width);
+	slider.setPreferredSize (d);
+	slider.setMinimumSize (d);
+    }
+
+    // ========================================
+    public void stateChanged (ChangeEvent e) {
+	try {
+	    if (e.getSource () == slider)
+		accessor.set (((double)slider.getValue ()/MaxPrecision)*(maxValue - minValue)+minValue);
+	    else if (e.getSource () == snm)
+		accessor.set (((Number)snm.getValue ()).doubleValue ());
+	} catch (Exception e2) {
+	    e2.printStackTrace ();
+	}
+    }
+
+    // ========================================
+    public void update () {
+	double [] doubleValues = accessor.get ();
+	minValue = doubleValues [0];
+	maxValue = doubleValues [1];
+	slider.removeChangeListener (this);
+	snm.removeChangeListener (this);
+	snm.setMinimum (doubleValues [0]);
+	snm.setMaximum (doubleValues [1]); // XXX ?
+	snm.setValue (doubleValues [2]);
+	//snm.setStepSize ((maxValue-minValue)/MaxPrecision);
+	slider.setValue ((int)((doubleValues [2]-minValue)/(maxValue-minValue)*MaxPrecision));
+	label.setText ("/"+numberFormat.format ((float)doubleValues [1]));
+	snm.addChangeListener (this);
+	slider.addChangeListener (this);
+    }
+
+    // ========================================
+    public Number getPreviousValue (Number value) {
+	return value;
+    }
+    public Number getNextValue (Number value) {
+	return value;
+    }
+    // ========================================
+}