import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
+import net.sf.openrocket.logging.LogHelper;
+import net.sf.openrocket.startup.Application;
import net.sf.openrocket.unit.Unit;
import net.sf.openrocket.unit.UnitGroup;
+import net.sf.openrocket.util.BugException;
import net.sf.openrocket.util.ChangeSource;
+import net.sf.openrocket.util.Invalidatable;
+import net.sf.openrocket.util.Invalidator;
import net.sf.openrocket.util.MathUtil;
+import net.sf.openrocket.util.MemoryManagement;
+import net.sf.openrocket.util.Reflection;
/**
* @author Sampo Niskanen <sampo.niskanen@iki.fi>
*/
-public class DoubleModel implements ChangeListener, ChangeSource {
- private static final boolean DEBUG_LISTENERS = false;
+public class DoubleModel implements ChangeListener, ChangeSource, Invalidatable {
+ private static final LogHelper log = Application.getLogger();
+
+ public static final DoubleModel ZERO = new DoubleModel(0);
+
//////////// JSpinner Model ////////////
/**
* Model suitable for JSpinner using JSpinner.NumberEditor. It extends SpinnerNumberModel
* to be compatible with the NumberEditor, but only has the necessary methods defined.
*/
- private class ValueSpinnerModel extends SpinnerNumberModel {
+ private class ValueSpinnerModel extends SpinnerNumberModel implements Invalidatable {
@Override
public Object getValue() {
return currentUnit.toUnit(DoubleModel.this.getValue());
-// return makeString(currentUnit.toUnit(DoubleModel.this.getValue()));
}
-
+
@Override
public void setValue(Object value) {
-
- System.out.println("setValue("+value+") called, valueName="+valueName+
- " firing="+firing);
-
- if (firing > 0) // Ignore, if called when model is sending events
+ if (firing > 0) {
+ // Ignore, if called when model is sending events
+ log.verbose("Ignoring call to SpinnerModel setValue for " + DoubleModel.this.toString() +
+ " value=" + value + ", currently firing events");
return;
- Number num = (Number)value;
+ }
+ Number num = (Number) value;
double newValue = num.doubleValue();
- DoubleModel.this.setValue(currentUnit.fromUnit(newValue));
+ double converted = currentUnit.fromUnit(newValue);
+ log.user("SpinnerModel setValue called for " + DoubleModel.this.toString() + " newValue=" + newValue +
+ " converted=" + converted);
+ DoubleModel.this.setValue(converted);
-// try {
-// double newValue = Double.parseDouble((String)value);
-// DoubleModel.this.setValue(currentUnit.fromUnit(newValue));
-// } catch (NumberFormatException e) {
-// DoubleModel.this.fireStateChanged();
-// };
}
@Override
public Object getNextValue() {
double d = currentUnit.toUnit(DoubleModel.this.getValue());
double max = currentUnit.toUnit(maxValue);
- if (MathUtil.equals(d,max))
+ if (MathUtil.equals(d, max))
return null;
d = currentUnit.getNextValue(d);
if (d > max)
d = max;
return d;
-// return makeString(d);
}
-
+
@Override
public Object getPreviousValue() {
double d = currentUnit.toUnit(DoubleModel.this.getValue());
double min = currentUnit.toUnit(minValue);
- if (MathUtil.equals(d,min))
+ if (MathUtil.equals(d, min))
return null;
d = currentUnit.getPreviousValue(d);
if (d < min)
d = min;
return d;
-// return makeString(d);
}
-
+
@Override
public Comparable<Double> getMinimum() {
public void addChangeListener(ChangeListener l) {
DoubleModel.this.addChangeListener(l);
}
-
+
@Override
public void removeChangeListener(ChangeListener l) {
DoubleModel.this.removeChangeListener(l);
}
+
+ @Override
+ public void invalidate() {
+ DoubleModel.this.invalidate();
+ }
}
/**
}
-
-
-
+
+
+
//////////// JSlider model ////////////
- private class ValueSliderModel implements BoundedRangeModel, ChangeListener {
+ private class ValueSliderModel implements BoundedRangeModel, ChangeListener, Invalidatable {
private static final int MAX = 1000;
/*
* Use linear scale value = linear1 * x + linear0 when x < linearPosition
* Use quadratic scale value = quad2 * x^2 + quad1 * x + quad0 otherwise
*/
-
+
// Linear in range x <= linearPosition
private final double linearPosition;
//private final double linear0;
// Non-linear multiplier, exponent and constant
- private final double quad2,quad1,quad0;
-
+ private final double quad2, quad1, quad0;
+
public ValueSliderModel(DoubleModel min, DoubleModel max) {
linearPosition = 1.0;
-
+
this.min = min;
- this.mid = max; // Never use exponential scale
+ this.mid = max; // Never use exponential scale
this.max = max;
min.addChangeListener(this);
max.addChangeListener(this);
-
- quad2 = quad1 = quad0 = 0; // Not used
+
+ quad2 = quad1 = quad0 = 0; // Not used
}
-
+
/**
* Generate a linear model from min to max.
*/
public ValueSliderModel(double min, double max) {
linearPosition = 1.0;
-
+
this.min = new DoubleModel(min);
- this.mid = new DoubleModel(max); // Never use exponential scale
+ this.mid = new DoubleModel(max); // Never use exponential scale
this.max = new DoubleModel(max);
-
- quad2 = quad1 = quad0 = 0; // Not used
+
+ quad2 = quad1 = quad0 = 0; // Not used
}
public ValueSliderModel(double min, double mid, double max) {
- this(min,0.5,mid,max);
+ this(min, 0.5, mid, max);
}
/*
this.min = new DoubleModel(min);
this.mid = new DoubleModel(mid);
this.max = new DoubleModel(max);
-
+
linearPosition = pos;
//linear0 = min;
//linear1 = (mid-min)/pos;
if (!(min < mid && mid <= max && 0 < pos && pos < 1)) {
- throw new IllegalArgumentException("Bad arguments for ValueSliderModel "+
- "min="+min+" mid="+mid+" max="+max+" pos="+pos);
+ throw new IllegalArgumentException("Bad arguments for ValueSliderModel " +
+ "min=" + min + " mid=" + mid + " max=" + max + " pos=" + pos);
}
/*
* f(1) = max - end point
* f'(pos) = linear1 - continuity of derivative
*/
-
- double delta = (mid-min)/pos;
- quad2 = (max - mid - delta + delta*pos) / pow2(pos-1);
- quad1 = (delta + 2*(mid-max)*pos - delta*pos*pos) / pow2(pos-1);
- quad0 = (mid - (2*mid+delta)*pos + (max+delta)*pos*pos) / pow2(pos-1);
+
+ double delta = (mid - min) / pos;
+ quad2 = (max - mid - delta + delta * pos) / pow2(pos - 1);
+ quad1 = (delta + 2 * (mid - max) * pos - delta * pos * pos) / pow2(pos - 1);
+ quad0 = (mid - (2 * mid + delta) * pos + (max + delta) * pos * pos) / pow2(pos - 1);
}
private double pow2(double x) {
- return x*x;
+ return x * x;
}
+ @Override
public int getValue() {
double value = DoubleModel.this.getValue();
if (value <= min.getValue())
//linear0 = min;
//linear1 = (mid-min)/pos;
- x = (value - min.getValue())*linearPosition/(mid.getValue()-min.getValue());
+ x = (value - min.getValue()) * linearPosition / (mid.getValue() - min.getValue());
} else {
// Use quadratic scale
// Further solution of the quadratic equation
// a*x^2 + b*x + c-value == 0
- x = (Math.sqrt(quad1*quad1 - 4*quad2*(quad0-value)) - quad1) / (2*quad2);
+ x = (MathUtil.safeSqrt(quad1 * quad1 - 4 * quad2 * (quad0 - value)) - quad1) / (2 * quad2);
}
- return (int)(x*MAX);
+ return (int) (x * MAX);
}
-
-
+
+
+ @Override
public void setValue(int newValue) {
- if (firing > 0) // Ignore loops
+ if (firing > 0) {
+ // Ignore loops
+ log.verbose("Ignoring call to SliderModel setValue for " + DoubleModel.this.toString() +
+ " value=" + newValue + ", currently firing events");
return;
+ }
- double x = (double)newValue/MAX;
- double value;
+ double x = (double) newValue / MAX;
+ double scaledValue;
if (x <= linearPosition) {
// Use linear scale
//linear0 = min;
//linear1 = (mid-min)/pos;
-
- value = (mid.getValue()-min.getValue())/linearPosition*x + min.getValue();
+
+ scaledValue = (mid.getValue() - min.getValue()) / linearPosition * x + min.getValue();
} else {
// Use quadratic scale
- value = quad2*x*x + quad1*x + quad0;
+ scaledValue = quad2 * x * x + quad1 * x + quad0;
}
- DoubleModel.this.setValue(currentUnit.fromUnit(
- currentUnit.round(currentUnit.toUnit(value))));
+ double converted = currentUnit.fromUnit(currentUnit.round(currentUnit.toUnit(scaledValue)));
+ log.user("SliderModel setValue called for " + DoubleModel.this.toString() + " newValue=" + newValue +
+ " scaledValue=" + scaledValue + " converted=" + converted);
+ DoubleModel.this.setValue(converted);
}
-
+
// Static get-methods
private boolean isAdjusting;
- public int getExtent() { return 0; }
- public int getMaximum() { return MAX; }
- public int getMinimum() { return 0; }
- public boolean getValueIsAdjusting() { return isAdjusting; }
+
+ @Override
+ public int getExtent() {
+ return 0;
+ }
+
+ @Override
+ public int getMaximum() {
+ return MAX;
+ }
+
+ @Override
+ public int getMinimum() {
+ return 0;
+ }
+
+ @Override
+ public boolean getValueIsAdjusting() {
+ return isAdjusting;
+ }
// Ignore set-values
- public void setExtent(int newExtent) { }
- public void setMaximum(int newMaximum) { }
- public void setMinimum(int newMinimum) { }
- public void setValueIsAdjusting(boolean b) { isAdjusting = b; }
-
+ @Override
+ public void setExtent(int newExtent) {
+ }
+
+ @Override
+ public void setMaximum(int newMaximum) {
+ }
+
+ @Override
+ public void setMinimum(int newMinimum) {
+ }
+
+ @Override
+ public void setValueIsAdjusting(boolean b) {
+ isAdjusting = b;
+ }
+
+ @Override
public void setRangeProperties(int value, int extent, int min, int max, boolean adjusting) {
setValueIsAdjusting(adjusting);
setValue(value);
}
-
+
// Pass change listeners to the underlying model
+ @Override
public void addChangeListener(ChangeListener l) {
DoubleModel.this.addChangeListener(l);
}
-
+
+ @Override
public void removeChangeListener(ChangeListener l) {
DoubleModel.this.removeChangeListener(l);
}
-
-
-
+
+ @Override
+ public void invalidate() {
+ DoubleModel.this.invalidate();
+ }
+
+ @Override
public void stateChanged(ChangeEvent e) {
// Min or max range has changed.
// Fire if not already firing
public BoundedRangeModel getSliderModel(DoubleModel min, DoubleModel max) {
- return new ValueSliderModel(min,max);
+ return new ValueSliderModel(min, max);
}
public BoundedRangeModel getSliderModel(double min, double max) {
- return new ValueSliderModel(min,max);
+ return new ValueSliderModel(min, max);
}
public BoundedRangeModel getSliderModel(double min, double mid, double max) {
- return new ValueSliderModel(min,mid,max);
+ return new ValueSliderModel(min, mid, max);
}
public BoundedRangeModel getSliderModel(double min, double pos, double mid, double max) {
- return new ValueSliderModel(min,pos,mid,max);
+ return new ValueSliderModel(min, pos, mid, max);
}
-
-
+
+
//////////// Action model ////////////
- private class AutomaticActionModel extends AbstractAction implements ChangeListener {
+ private class AutomaticActionModel extends AbstractAction implements ChangeListener, Invalidatable {
private boolean oldValue = false;
public AutomaticActionModel() {
addChangeListener(this);
}
-
+
@Override
public boolean isEnabled() {
- // TODO: LOW: does not reflect if component is currently able to support automatic setting
return isAutomaticAvailable();
}
}
return super.getValue(key);
}
-
+
@Override
public void putValue(String key, Object value) {
- if (firing > 0)
+ if (firing > 0) {
+ log.verbose("Ignoring call to ActionModel putValue for " + DoubleModel.this.toString() +
+ " key=" + key + " value=" + value + ", currently firing events");
return;
+ }
if (key.equals(Action.SELECTED_KEY) && (value instanceof Boolean)) {
- oldValue = (Boolean)value;
- setAutomatic((Boolean)value);
+ log.user("ActionModel putValue called for " + DoubleModel.this.toString() +
+ " key=" + key + " value=" + value);
+ oldValue = (Boolean) value;
+ setAutomatic((Boolean) value);
} else {
+ log.debug("Passing ActionModel putValue call to supermethod for " + DoubleModel.this.toString() +
+ " key=" + key + " value=" + value);
super.putValue(key, value);
}
}
-
+
// Implement a wrapper to the ChangeListeners
- ArrayList<PropertyChangeListener> listeners = new ArrayList<PropertyChangeListener>();
+ ArrayList<PropertyChangeListener> propertyChangeListeners =
+ new ArrayList<PropertyChangeListener>();
+
@Override
public void addPropertyChangeListener(PropertyChangeListener listener) {
- listeners.add(listener);
+ propertyChangeListeners.add(listener);
DoubleModel.this.addChangeListener(this);
}
+
@Override
public void removePropertyChangeListener(PropertyChangeListener listener) {
- listeners.remove(listener);
- if (listeners.isEmpty())
+ propertyChangeListeners.remove(listener);
+ if (propertyChangeListeners.isEmpty())
DoubleModel.this.removeChangeListener(this);
}
+
// If the value has changed, generate an event to the listeners
+ @Override
public void stateChanged(ChangeEvent e) {
boolean newValue = isAutomatic();
if (oldValue == newValue)
return;
- PropertyChangeEvent event = new PropertyChangeEvent(this,Action.SELECTED_KEY,
- oldValue,newValue);
+ PropertyChangeEvent event = new PropertyChangeEvent(this, Action.SELECTED_KEY,
+ oldValue, newValue);
oldValue = newValue;
- Object[] l = listeners.toArray();
- for (int i=0; i<l.length; i++) {
- ((PropertyChangeListener)l[i]).propertyChange(event);
+ Object[] l = propertyChangeListeners.toArray();
+ for (int i = 0; i < l.length; i++) {
+ ((PropertyChangeListener) l[i]).propertyChange(event);
}
}
-
+
+ @Override
public void actionPerformed(ActionEvent e) {
// Setting performed in putValue
}
-
+
+ @Override
+ public void invalidate() {
+ DoubleModel.this.invalidate();
+ }
}
/**
}
-
-
- //////////// Main model /////////////
+ //////////// Main model /////////////
+
/*
* The main model handles all values in SI units, i.e. no conversion is made within the model.
*/
-
+
private final ChangeSource source;
private final String valueName;
private final double multiplier;
private final UnitGroup units;
private Unit currentUnit;
-
+
private final double minValue;
private final double maxValue;
-
- private int firing = 0; // >0 when model itself is sending events
+ private String toString = null;
+
+ private int firing = 0; // >0 when model itself is sending events
+
// Used to differentiate changes in valueName and other changes in the component:
private double lastValue = 0;
private boolean lastAutomatic = false;
-
+ private Invalidator invalidator = new Invalidator(this);
+
+
+ /**
+ * Generate a DoubleModel that contains an internal double value.
+ *
+ * @param value the initial value.
+ */
public DoubleModel(double value) {
- this(value, UnitGroup.UNITS_NONE,Double.NEGATIVE_INFINITY,Double.POSITIVE_INFINITY);
+ this(value, UnitGroup.UNITS_NONE, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);
}
+ /**
+ * Generate a DoubleModel that contains an internal double value.
+ *
+ * @param value the initial value.
+ * @param unit the unit for the value.
+ */
public DoubleModel(double value, UnitGroup unit) {
- this(value,unit,Double.NEGATIVE_INFINITY,Double.POSITIVE_INFINITY);
+ this(value, unit, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);
}
+ /**
+ * Generate a DoubleModel that contains an internal double value.
+ *
+ * @param value the initial value.
+ * @param unit the unit for the value.
+ * @param min minimum value.
+ */
public DoubleModel(double value, UnitGroup unit, double min) {
- this(value,unit,min,Double.POSITIVE_INFINITY);
+ this(value, unit, min, Double.POSITIVE_INFINITY);
}
+ /**
+ * Generate a DoubleModel that contains an internal double value.
+ *
+ * @param value the initial value.
+ * @param unit the unit for the value.
+ * @param min minimum value.
+ * @param max maximum value.
+ */
public DoubleModel(double value, UnitGroup unit, double min, double max) {
this.lastValue = value;
this.minValue = min;
this.maxValue = max;
-
+
source = null;
valueName = "Constant value";
multiplier = 1;
units = unit;
currentUnit = units.getDefaultUnit();
}
-
+
/**
* Generates a new DoubleModel that changes the values of the specified component.
* The double value is read and written using the methods "get"/"set" + valueName.
*
* @param source Component whose parameter to use.
- * @param valueName Name of metods used to get/set the parameter.
+ * @param valueName Name of methods used to get/set the parameter.
* @param multiplier Value shown by the model is the value from component.getXXX * multiplier
* @param min Minimum value allowed (in SI units)
* @param max Maximum value allowed (in SI units)
this.source = source;
this.valueName = valueName;
this.multiplier = multiplier;
-
+
this.units = unit;
currentUnit = units.getDefaultUnit();
try {
getMethod = source.getClass().getMethod("get" + valueName);
} catch (NoSuchMethodException e) {
- throw new IllegalArgumentException("get method for value '"+valueName+
- "' not present in class "+source.getClass().getCanonicalName());
+ throw new IllegalArgumentException("get method for value '" + valueName +
+ "' not present in class " + source.getClass().getCanonicalName());
}
-
- Method s=null;
+
+ Method s = null;
try {
- s = source.getClass().getMethod("set" + valueName,double.class);
- } catch (NoSuchMethodException e1) { } // Ignore
+ s = source.getClass().getMethod("set" + valueName, double.class);
+ } catch (NoSuchMethodException e1) {
+ } // Ignore
setMethod = s;
// Automatic selection methods
- Method set=null,get=null;
+ Method set = null, get = null;
try {
get = source.getClass().getMethod("is" + valueName + "Automatic");
- set = source.getClass().getMethod("set" + valueName + "Automatic",boolean.class);
- } catch (NoSuchMethodException e) { } // ignore
+ set = source.getClass().getMethod("set" + valueName + "Automatic", boolean.class);
+ } catch (NoSuchMethodException e) {
+ } // ignore
- if (set!=null && get!=null) {
+ if (set != null && get != null) {
getAutoMethod = get;
setAutoMethod = set;
} else {
}
}
-
+
public DoubleModel(ChangeSource source, String valueName, double multiplier, UnitGroup unit,
double min) {
- this(source,valueName,multiplier,unit,min,Double.POSITIVE_INFINITY);
+ this(source, valueName, multiplier, unit, min, Double.POSITIVE_INFINITY);
}
public DoubleModel(ChangeSource source, String valueName, double multiplier, UnitGroup unit) {
- this(source,valueName,multiplier,unit,Double.NEGATIVE_INFINITY,Double.POSITIVE_INFINITY);
+ this(source, valueName, multiplier, unit, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);
}
- public DoubleModel(ChangeSource source, String valueName, UnitGroup unit,
+ public DoubleModel(ChangeSource source, String valueName, UnitGroup unit,
double min, double max) {
- this(source,valueName,1.0,unit,min,max);
+ this(source, valueName, 1.0, unit, min, max);
}
public DoubleModel(ChangeSource source, String valueName, UnitGroup unit, double min) {
- this(source,valueName,1.0,unit,min,Double.POSITIVE_INFINITY);
+ this(source, valueName, 1.0, unit, min, Double.POSITIVE_INFINITY);
}
public DoubleModel(ChangeSource source, String valueName, UnitGroup unit) {
- this(source,valueName,1.0,unit,Double.NEGATIVE_INFINITY,Double.POSITIVE_INFINITY);
+ this(source, valueName, 1.0, unit, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);
}
-
+
public DoubleModel(ChangeSource source, String valueName) {
- this(source,valueName,1.0,UnitGroup.UNITS_NONE,
- Double.NEGATIVE_INFINITY,Double.POSITIVE_INFINITY);
+ this(source, valueName, 1.0, UnitGroup.UNITS_NONE,
+ Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);
}
-
+
public DoubleModel(ChangeSource source, String valueName, double min) {
- this(source,valueName,1.0,UnitGroup.UNITS_NONE,min,Double.POSITIVE_INFINITY);
+ this(source, valueName, 1.0, UnitGroup.UNITS_NONE, min, Double.POSITIVE_INFINITY);
}
public DoubleModel(ChangeSource source, String valueName, double min, double max) {
- this(source,valueName,1.0,UnitGroup.UNITS_NONE,min,max);
+ this(source, valueName, 1.0, UnitGroup.UNITS_NONE, min, max);
}
-
+
/**
* Returns the value of the variable (in SI units).
*/
public double getValue() {
- if (getMethod==null) // Constant value
+ if (getMethod == null) // Constant value
return lastValue;
-
+
try {
- return (Double)getMethod.invoke(source)*multiplier;
+ return (Double) getMethod.invoke(source) * multiplier;
} catch (IllegalArgumentException e) {
- throw new RuntimeException("BUG: Unable to invoke getMethod of "+this, e);
+ throw new BugException("Unable to invoke getMethod of " + this, e);
} catch (IllegalAccessException e) {
- throw new RuntimeException("BUG: Unable to invoke getMethod of "+this, e);
+ throw new BugException("Unable to invoke getMethod of " + this, e);
} catch (InvocationTargetException e) {
- throw new RuntimeException("BUG: Unable to invoke getMethod of "+this, e);
+ throw Reflection.handleWrappedException(e);
}
}
* @param v New value for parameter in SI units.
*/
public void setValue(double v) {
- if (setMethod==null) {
+ checkState(true);
+
+ log.debug("Setting value " + v + " for " + this);
+ if (setMethod == null) {
if (getMethod != null) {
- throw new RuntimeException("setMethod not available for variable '"+valueName+
- "' in class "+source.getClass().getCanonicalName());
+ throw new BugException("setMethod not available for variable '" + valueName +
+ "' in class " + source.getClass().getCanonicalName());
}
lastValue = v;
fireStateChanged();
return;
}
-
+
try {
- setMethod.invoke(source, v/multiplier);
- return;
+ setMethod.invoke(source, v / multiplier);
} catch (IllegalArgumentException e) {
- throw new RuntimeException("BUG: Unable to invoke setMethod of "+this, e);
+ throw new BugException("Unable to invoke setMethod of " + this, e);
} catch (IllegalAccessException e) {
- throw new RuntimeException("BUG: Unable to invoke setMethod of "+this, e);
+ throw new BugException("Unable to invoke setMethod of " + this, e);
} catch (InvocationTargetException e) {
- throw new RuntimeException("BUG: Unable to invoke setMethod of "+this, e);
+ throw Reflection.handleWrappedException(e);
}
}
-
+
/**
* Returns whether setting the value automatically is available.
public boolean isAutomaticAvailable() {
return (getAutoMethod != null) && (setAutoMethod != null);
}
-
+
/**
* Returns whether the value is currently being set automatically.
* Returns false if automatic setting is not available at all.
return false;
try {
- return (Boolean)getAutoMethod.invoke(source);
+ return (Boolean) getAutoMethod.invoke(source);
} catch (IllegalArgumentException e) {
- e.printStackTrace();
+ throw new BugException("Method call failed", e);
} catch (IllegalAccessException e) {
- e.printStackTrace();
+ throw new BugException("Method call failed", e);
} catch (InvocationTargetException e) {
- e.printStackTrace();
+ throw Reflection.handleWrappedException(e);
}
- return false; // Should not occur
}
/**
* state change event if automatic setting is not available.
*/
public void setAutomatic(boolean auto) {
+ checkState(true);
+
if (setAutoMethod == null) {
- fireStateChanged(); // in case something is out-of-sync
+ log.debug("Setting automatic to " + auto + " for " + this + ", automatic not available");
+ fireStateChanged(); // in case something is out-of-sync
return;
}
+ log.debug("Setting automatic to " + auto + " for " + this);
+ lastAutomatic = auto;
try {
- lastAutomatic = auto;
setAutoMethod.invoke(source, auto);
- return;
} catch (IllegalArgumentException e) {
- e.printStackTrace();
+ throw new BugException(e);
} catch (IllegalAccessException e) {
- e.printStackTrace();
+ throw new BugException(e);
} catch (InvocationTargetException e) {
- e.printStackTrace();
+ throw Reflection.handleWrappedException(e);
}
- fireStateChanged(); // Should not occur
}
-
+
/**
* Returns the current Unit. At the beginning it is the default unit of the UnitGroup.
* @return The most recently set unit.
* @param u The unit to set active.
*/
public void setCurrentUnit(Unit u) {
+ checkState(true);
if (currentUnit == u)
return;
+ log.debug("Setting unit for " + this + " to '" + u + "'");
currentUnit = u;
fireStateChanged();
}
}
-
+
/**
- * Add a listener to the model. Adds the model as a listener to the Component if this
+ * Add a listener to the model. Adds the model as a listener to the value source if this
* is the first listener.
* @param l Listener to add.
*/
+ @Override
public void addChangeListener(ChangeListener l) {
+ checkState(true);
+
if (listeners.isEmpty()) {
if (source != null) {
source.addChangeListener(this);
lastAutomatic = isAutomatic();
}
}
-
+
listeners.add(l);
- if (DEBUG_LISTENERS)
- System.out.println(this+" adding listener (total "+listeners.size()+"): "+l);
+ log.verbose(this + " adding listener (total " + listeners.size() + "): " + l);
}
-
+
/**
* Remove a listener from the model. Removes the model from being a listener to the Component
* if this was the last listener of the model.
* @param l Listener to remove.
*/
+ @Override
public void removeChangeListener(ChangeListener l) {
+ checkState(false);
+
listeners.remove(l);
if (listeners.isEmpty() && source != null) {
source.removeChangeListener(this);
}
- if (DEBUG_LISTENERS)
- System.out.println(this+" removing listener (total "+listeners.size()+"): "+l);
+ log.verbose(this + " removing listener (total " + listeners.size() + "): " + l);
+ }
+
+
+ /**
+ * Invalidates this model by removing all listeners and removing this from
+ * listening to the source. After invalidation no listeners can be added to this
+ * model and the value cannot be set.
+ */
+ @Override
+ public void invalidate() {
+ log.verbose("Invalidating " + this);
+ invalidator.invalidate();
+
+ if (!listeners.isEmpty()) {
+ log.warn("Invalidating " + this + " while still having listeners " + listeners);
+ }
+ listeners.clear();
+ if (source != null) {
+ source.removeChangeListener(this);
+ }
+ MemoryManagement.collectable(this);
}
+
+ private void checkState(boolean error) {
+ invalidator.check(error);
+ }
+
+
+ @Override
+ protected void finalize() throws Throwable {
+ super.finalize();
+ if (!listeners.isEmpty()) {
+ log.warn(this + " being garbage-collected while having listeners " + listeners);
+ }
+ };
+
+
/**
* Fire a ChangeEvent to all listeners.
*/
protected void fireStateChanged() {
+ checkState(true);
+
Object[] l = listeners.toArray();
ChangeEvent event = new ChangeEvent(this);
firing++;
- for (int i=0; i<l.length; i++)
- ((ChangeListener)l[i]).stateChanged(event);
+ for (int i = 0; i < l.length; i++)
+ ((ChangeListener) l[i]).stateChanged(event);
firing--;
}
-
+
/**
* Called when the component changes. Checks whether the modeled value has changed, and if
* it has, updates lastValue and generates ChangeEvents for all listeners of the model.
*/
+ @Override
public void stateChanged(ChangeEvent e) {
+ checkState(true);
+
double v = getValue();
boolean b = isAutomatic();
if (lastValue == v && lastAutomatic == b)
lastAutomatic = b;
fireStateChanged();
}
-
+
+
/**
* Explain the DoubleModel as a String.
*/
@Override
public String toString() {
- if (source == null)
- return "DoubleModel[constant="+lastValue+"]";
- return "DoubleModel["+source.getClass().getCanonicalName()+":"+valueName+"]";
+ if (toString == null) {
+ if (source == null) {
+ toString = "DoubleModel[constant=" + lastValue + "]";
+ } else {
+ toString = "DoubleModel[" + source.getClass().getSimpleName() + ":" + valueName + "]";
+ }
+ }
+ return toString;
}
}
projects / debian / openrocket / blobdiff