public void stateChanged(ChangeEvent e) {
Object obj = e.getSource();
if (obj instanceof BoundedRangeModel) {
int id = AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED;
int type = AdjustmentEvent.TRACK;
BoundedRangeModel model = (BoundedRangeModel) obj;
int value = model.getValue();
boolean isAdjusting = model.getValueIsAdjusting();
fireAdjustmentValueChanged(id, type, value, isAdjusting);
}
}
/**
* Sets the four BoundedRangeModel properties after forcing the arguments to obey the usual
* constraints:
*
* <pre>
* minimum <= value <= value+extent <= maximum
* </pre>
*
* <p>
*
* @see BoundedRangeModel#setRangeProperties
* @see #setValue
* @see #setVisibleAmount
* @see #setMinimum
* @see #setMaximum
*/
public void setValues(int newValue, int newExtent, int newMin, int newMax) {
BoundedRangeModel m = getModel();
int oldValue = m.getValue();
m.setRangeProperties(newValue, newExtent, newMin, newMax, m.getValueIsAdjusting());
if (accessibleContext != null) {
accessibleContext.firePropertyChange(
AccessibleContext.ACCESSIBLE_VALUE_PROPERTY,
Integer.valueOf(oldValue),
Integer.valueOf(m.getValue()));
}
}
/**
* Sets the model's valueIsAdjusting property. Scrollbar look and feel implementations should set
* this property to true when a knob drag begins, and to false when the drag ends. The scrollbar
* model will not generate ChangeEvents while valueIsAdjusting is true.
*
* @see #getValueIsAdjusting
* @see BoundedRangeModel#setValueIsAdjusting
* @beaninfo expert: true description: True if the scrollbar thumb is being dragged.
*/
public void setValueIsAdjusting(boolean b) {
BoundedRangeModel m = getModel();
boolean oldValue = m.getValueIsAdjusting();
m.setValueIsAdjusting(b);
if ((oldValue != b) && (accessibleContext != null)) {
accessibleContext.firePropertyChange(
AccessibleContext.ACCESSIBLE_STATE_PROPERTY,
((oldValue) ? AccessibleState.BUSY : null),
((b) ? AccessibleState.BUSY : null));
}
}
